<!-- If the browser does not support frames put the first topic content here --> <div class="WordSection1"> <h1 style='margin-left:0cm;text-indent:0cm'><a name="node0" id= "node0"></a> LES INTERFACES GRAPHIQUES SOUS LE JDK</h1> <p class="MsoNormal"> </p> <p><span style='font-size:10.0pt'>Deux packages permettent de gérer les interfaces graphiques : <b>AWT</b> et <b>SWING</b> (SWING a été intégré à partir de la version 1.2 du jdk).<br /> AWT utilise des composants lourds, c'est à dire utilisant beaucoup les ressources du système d'exploitation, alors que Swing utilise des composants dits légers donc SWING est plus performant. De plus, Swing offre davantage de composants.</span></p> <p><span style='font-size:10.0pt'>La plupart des composants du paquetage Swing commencent par la lettre J.</span></p> <p><span style='font-size:10.0pt'>Attention, Swing ne remplace pas complètement AWT.</span></p> <p class="MsoNormal"> </p> <p class="MsoBodyText"><span style= 'font-size:10.0pt;font-family:"Times New Roman",serif'>On ne traitera pas du tout les applets dans ce cours.</span></p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h1><a name="node1" id="node1"></a>1<span style= 'font:7.0pt "Times New Roman"'> </span> Première approche des interfaces graphiques sous le JDK</h1> <p class="MsoNormal"> </p> <h2><a name="node2" id="node2"></a>1.1<span style= 'font:7.0pt "Times New Roman"'> </span> Liste des principaux composants Swing</h2> <p class="MsoNormal">Tout d’abord, il faut savoir que :</p> <p class="MsoNormal">. la plupart des composants swing héritent de la classe swing JComponent qui dérive de la classe awt Container qui elle dérive de Component qui dérive de Object.</p> <pre> <a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavalangObject.html">java.lang.Object</a> </pre> <pre> +--<a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtComponent.html">java.awt.Component</a> </pre> <pre> +--<a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtContainer.html">java.awt.Container</a> </pre> <pre> <span lang="NL" xml:lang="NL"> +--</span><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaxswingJComponent.html"><span lang="NL" xml:lang="NL">javax.swing.JComponent</span></a> </pre> <pre> <span lang="NL" xml:lang="NL"> </span> </pre> <p class="MsoNormal">. la plupart des composants swing que nous allons citer existaient sous awt mais étaient moins performants.</p> <p class="MsoNormal"> </p> <p class="MsoNormal">Principaux composants swing :</p> <p class="MsoNormal">. JFrame : fenêtre</p> <p class="MsoNormal">. JTextField : zone de texte</p> <p class="MsoNormal">. JLabel : étiquette</p> <p class="MsoNormal">. JCheckBox : case à cocher</p> <p class="MsoNormal">. JRadioButton : bouton radio (à placer dans un groupe ButtonGroup pour avoir l’exclusion entre les boutons radio)</p> <p class="MsoNormal">. JList : zone de liste</p> <p class="MsoNormal">. JComboBox : liste déroulante</p> <p class="MsoNormal">. JMenu : menu</p> <p class="MsoNormal">. JToolBar : barre d’outils</p> <p class="MsoNormal">. JPanel : panneau permettant de regrouper un ensemble de composants.</p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h2><a name="node3" id="node3"></a>1.2<span style= 'font:7.0pt "Times New Roman"'> </span> Création d’une 1<sup>ère</sup> fenêtre</h2> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import javax.swing.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>class Fenetre extends <b>JFrame </b> // dérive de la classe JFrame</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>public Fenetre()</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Il faut dimensionner la fenêtre sinon il y a juste la barre de titre d'affichée.</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setSize(400,300); //Largeur et hauteur en pixels</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> setTitle("Première fenêtre");</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public static void main(String args[])</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> Fenetre premFen = new Fenetre();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> premFen.setVisible(true);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" xml:lang="EN-GB">On obtient :</span></p> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"><img border="0" width="310" height="224" src= "Cours_Atelier9_fichiers/image001.jpg" alt="image" /></span></p> <p class="MsoHeader"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> <p class="MsoHeader"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> <h2><a name="node4" id="node4"></a>1.3<span style= 'font:7.0pt "Times New Roman"'> </span> Ajout de composants</h2> <h3><a name="node5" id="node5"></a>1.3.1<span style= 'font:7.0pt "Times New Roman"'> </span> Première approche</h3> <p class="MsoNormal"> </p> <p class="MsoNormal">Les composants d’une interface ne peuvent être directement placés dans une fenêtre, il faut qu’ils soient placés dans un conteneur.</p> <p class="MsoNormal">Initialement, une fenêtre contient un conteneur. Donc nous allons pour l’instant placer les composants dans ce conteneur.</p> <p class="MsoNormal"> </p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">import javax.swing.*;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">class Fenetre2 extends JFrame</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">private <b>JButton</b> b, b2;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="DE" style='font-size: 8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE">private <b>JLabel</b> l, l2;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>private <b>JTextField</b> t, t2;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>public Fenetre2()</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setSize(400,300); //Largeur et hauteur en pixels</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setTitle("Première fenêtre");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">b = new JButton("Bouton 1");</span></p> <p class="MsoHeader" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">b2 = new JButton("Bouton 2");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">l = new JLabel("Label 1");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">l2 = new JLabel("Label 2");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>t = new JTextField("Zone de texte 1");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>t2 = new JTextField("Zone de texte 2");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On récupère le conteneur contenu dans la fenêtre</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>JPanel</span></b> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>c = (JPanel)getContentPane(); // Par défaut le conteneur est de classe Container, on</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>//</span></b> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>transtype en Jpanel (ce qui ne change rien si ce n’est que Jpanel appartient à la bibliothèque</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">//</span></b> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">swing).</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.<b>add</b>(b);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.<b>add</b>(l);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.<b>add</b>(t);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.<b>add</b>(b2);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.<b>add</b>(l2);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.<b>add</b>(t2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public static void main(String args[])</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">Fenetre2 premFen = new Fenetre2();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">premFen.setVisible(true);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoHeader"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">} </span></p> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> <p class="MsoNormal">On obtient :</p> <p class="MsoNormal"><img border="0" width="310" height="212" src= "Cours_Atelier9_fichiers/image002.jpg" alt="image" /></p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal">Eh, oui ! Le <i>add</i> ajoute toujours le composant au même endroit dans le conteneur <span style= 'font-family:Wingdings'>è</span> seul le dernier composant apparaît.</p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h3><a name="node6" id="node6"></a>1.3.2<span style= 'font:7.0pt "Times New Roman"'> </span> Les gestionnaires de répartition</h3> <p class="MsoNormal"> </p> <p class="MsoNormal">Pour gérer la disposition des composants à l’écran, on va avoir recours à un gestionnaire de répartition.</p> <p class="MsoNormal">En fait, cela revient à préciser que dans tel conteneur, les différents composants ajoutés seront organisés d’une certaine façon.</p> <p class="MsoNormal"> </p> <h4><a name="node7" id="node7"></a>1.3.2.1<span style= 'font:7.0pt "Times New Roman"'> </span> Exemple</h4> <p class="MsoNormal"> </p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import javax.swing.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.*; // Indispensable pour utiliser le gestionnaire de répartition FlowLayout</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">class Fenetre3 extends JFrame</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">private JButton b, b2;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="DE" style='font-size: 8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE">private JLabel l, l2;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>private JTextField t, t2 ;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>public Fenetre3()</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setSize(400,300); //Largeur et hauteur en pixels</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setTitle("Première fenêtre");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">b = new JButton("Bouton 1");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">b2 = new JButton("Bouton 2");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">l = new JLabel("Label 1");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">l2 = new JLabel("Label 2");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>t = new JTextField("Zone de texte 1");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>t2 = new JTextField("Zone de texte 2");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On récupère le conteneur contenu dans la fenêtre</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel c = (JPanel)getContentPane();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.setLayout(new FlowLayout()); //</span></b> <span lang="EN-GB" style= 'font-size:8.0pt; font-family:"Arial",sans-serif' xml:lang= "EN-GB">ObjetConteneur.<b>setLayout</b> (new<b>NomGestionnaire</b>(Paramètres</span></p> <p class="MsoNormal" style= 'margin-left:177.0pt;text-indent:35.4pt'><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>// éventuels));</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>c.add(b);</span></p> <p class="MsoHeader" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(l);</span></p> <p class="MsoHeader" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" xml:lang="EN-GB">c.add(t);</span></p> <p class="MsoHeader" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" xml:lang="EN-GB">c.add(b2);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(l2);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(t2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public static void main(String args[])</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">Fenetre3 premFen = new Fenetre3();</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> premFen.setVisible(true);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">} </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><img border="0" width="400" height="300" src= "Cours_Atelier9_fichiers/image003.jpg" alt="image" /></p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h4><a name="node8" id="node8"></a>1.3.2.2<span style= 'font:7.0pt "Times New Roman"'> </span> Les principaux gestionnaires de répartition (on parle également de gestionnaire de placement ou de politique de placement)</h4> <p class="MsoNormal"> </p> <p class="MsoNormal">Pour utiliser les gestionnaires de répartition FlowLayout, GridLayout et BorderLayout que nous allons étudier, il faut inclure java.awt.*.</p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"><b><span style= 'font-size:11.0pt;font-family:"Monotype Sorts"; color:#FFCC00'>z</span></b><b><span style='font-size:11.0pt;font-family:"Tahoma",sans-serif; color:black'>FlowLayout</span></b></p> <p class="MsoNormal"><span style='color:black'>Place les composants les uns à la suite des autres ligne par ligne. Si un composant ne peut être placé sur la ligne courante, il est placé sur la ligne suivante.</span></p> <p class="MsoNormal"><span style='color:black'>C’est FlowLayout que nous avons utilisé dans l’exemple précédent.</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>FlowLayout possède 3 constructeurs :</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" width="100%" style='width:100.0%'> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtFlowLayout.html#FlowLayout(int)"> <span lang="EN-GB" xml:lang= "EN-GB">FlowLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang= "EN-GB">()</span></code><span lang="EN-GB" style='color:black' xml:lang="EN-GB"><br /> <br /></span></p> </td> </tr> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtFlowLayout.html#FlowLayout(int)"> FlowLayout</a></span></b><span style= 'color:black'>(int align)</span></code><span style= 'color:black'> // align est l’alignement<br /> <br /></span></p> </td> </tr> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtFlowLayout.html#FlowLayout(int,%20int,%20int)"> <span lang="EN-GB" xml:lang= "EN-GB">FlowLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang="EN-GB">(int align, int hgap, int vgap)</span></code></p> <p class="MsoNormal"><span style='color:black'>// hgap : espacement horizontal (donc d’une colonne à une autre)</span></p> <p class="MsoNormal"><span style='color:black'>// vgap : espacement vertical<br /> // L’unité de mesure est le pixel pour les composants et gestionnaires de répartition axt et swing</span></p> </td> </tr> </table> <p class="MsoNormal"><span style= 'font-family:"Tahoma",sans-serif;color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>Par défaut les composants sont centrés mais on peut modifier l’alignement (on reprend l’exemple précédent) :</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black' xml:lang="EN-GB">c.setLayout(new FlowLayout(FlowLayout.LEFT));</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(b);</span></p> <p class="MsoHeader" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(l);</span></p> <p class="MsoHeader" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(t);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(b2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">c.add(l2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>c.add(t2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style='color:black'>On obtient :</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;font-family:"Tahoma",sans-serif; color:black'> </span></p> <p class="MsoNormal"><img border="0" width="317" height="71" src= "Cours_Atelier9_fichiers/image004.jpg" alt="image" /></p> <p class="MsoNormal"><span style='color:black'>Pour cadrer à droite, la constante est FlowLayout.RIGHT.</span></p> <p class="MsoNormal"><span style='color:black'>Pour centrer, la constante est FlowLayout.CENTER (rappelons que c’est l’option par défaut).</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;font-family:"Tahoma",sans-serif; color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>Dans le cas d’un FlowLayout, l’ajout de chaque composant se fait avec la méthode add à laquelle on transmet uniquement le composant en paramètre.</span></p> <p class="MsoNormal"> </p> <p class="MsoNormal">Remarques : le prototype du 3<sup>ème</sup> constructeur nous montre que l’on peut préciser l’espacement entre les composants (espacement horizontal et espacement vertical) si on précise l’alignement.</p> <p class="MsoNormal">ObjetConteneur.<b>setLayout</b> (new <b>FlowLayout</b> (alignement, espacement entre les composants d’une colonne à une autre, espacement entre les composants d’une ligne à une autre)) ; </p> <p class="MsoNormal"><span style= 'font-family:"Tahoma",sans-serif;color:black'> </span></p> <p class="MsoNormal"> </p> <p class="MsoNormal"><b><span style= 'font-size:11.0pt;font-family:"Monotype Sorts"; color:#FFCC00'>z</span></b><b><span lang="EN-GB" style= 'font-size:11.0pt; font-family:"Tahoma",sans-serif;color:black' xml:lang="EN-GB">GridLayout</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:11.0pt;font-family: "Tahoma",sans-serif;color:black' xml:lang="EN-GB"> </span></b></p> <p class="MsoNormal"><span style='color:black'>Place les composants dans une grille.</span></p> <p class="MsoNormal"><span style= 'font-family:"Tahoma",sans-serif;color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>GridLayout possède 3 constructeurs :</span></p> <p class="MsoNormal"><span style= 'font-family:"Tahoma",sans-serif;color:black'> </span></p> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" width="100%" style='width:100.0%'> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtGridLayout.html#GridLayout()"> <span lang="EN-GB" xml:lang= "EN-GB">GridLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang="EN-GB">()</span></code> <span lang="EN-GB" style='color:black' xml:lang="EN-GB"><br /> .</span></p> </td> <td style= 'border:none;background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> </td> </tr> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtGridLayout.html#GridLayout(int,%20int)"> <span lang="EN-GB" xml:lang= "EN-GB">GridLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang="EN-GB">(int rows, int cols)</span></code></p> <p class="MsoNormal"><span style='color:black'>// rows désigne le nombre de lignes de la grille</span></p> <p class="MsoNormal"><span style='color:black'>// cols désigne de le nombre de colonnes de la grille<br /> <br /></span></p> </td> <td style= 'border:none;background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"> </p> </td> </tr> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtGridLayout.html#GridLayout(int,%20int,%20int,%20int)"> <span lang="EN-GB" xml:lang= "EN-GB">GridLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang="EN-GB">(int rows, int cols, int hgap, int vgap)</span></code> <span lang="EN-GB" style='color:black' xml:lang="EN-GB"><br /> <br /></span></p> </td> <td style= 'border:none;background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> </td> </tr> </table> <p class="MsoNormal"><span lang="EN-GB" style= 'font-family:"Tahoma",sans-serif; color:black' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;font-family:"Tahoma",sans-serif; color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>On reprend l’exemple précédent et on modifie juste la disposition :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black' xml:lang="EN-GB">c.setLayout(new GridLayout(3,2));</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>On obtient :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'><img border="0" width="400" height="300" src="Cours_Atelier9_fichiers/image005.jpg" alt="image" /></span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>Dans le cas d’un GridLayout, l’ajout de chaque composant se fait avec la méthode add à laquelle on transmet uniquement le composant en paramètre.</span></p> <p class="MsoNormal"> </p> <p class="MsoNormal"><span style='color:black'>Attention, si on avait mis par exemple 6,2, on aurait eu une seule colonne.</span></p> <p class="MsoNormal"><span style='color:black'>En revanche, si on avait mis 5,2,on aurait eu 3 lignes et 2 colonnes comme avec 3,2 mais on aurait eu de l’espace vide laissé en-dessous.</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal">Si on utilise GridLayout sans paramètres, tous les composants sont placés dans une seule ligne.</p> <p class="MsoNormal"> </p> <p class="MsoNormal">Remarques : on peut préciser l’espacement entre les composants(espacement horizontal et espacement vertical) si on précise le nombre de lignes et de colonnes.</p> <p class="MsoNormal">ObjetConteneur.<b>setLayout</b> (new <b>GridLayout</b>(nblignes, nbcol, espacement entre les composants d’une colonne à une autre, espacement entre les composants d’une ligne à une autre)) ; </p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <p class="MsoNormal"><b><span style= 'font-size:11.0pt;font-family:"Monotype Sorts"; color:#FFCC00'>z</span></b><b><span style='font-size:11.0pt;font-family:"Tahoma",sans-serif; color:black'>BorderLayout</span></b></p> <p class="MsoNormal"><b><span style= 'font-size:11.0pt;font-family:"Tahoma",sans-serif; color:black'> </span></b></p> <p class="MsoNormal"><span style= 'color:#FFCC00'></span><span style='color:black'>Découpe l’écran en 5 régions: south, north, east, west, center.</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>BorderLayout possède 2 constructeurs :</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" width="100%" style='width:100.0%'> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtBorderLayout.html#BorderLayout()"> <span lang="EN-GB" xml:lang= "EN-GB">BorderLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang="EN-GB">()</span></code> <span lang="EN-GB" style='color:black' xml:lang="EN-GB"><br /> <br /></span></p> </td> <td style= 'border:none;background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> </td> </tr> <tr> <td style='background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><code><b><span style='color:black'><a href= "../../../../../../BTSIG_Cours_Perso/SIO2/SLAM4&5/Documents/jdkdocdocsapijavaawtBorderLayout.html#BorderLayout(int,%20int)"> <span lang="EN-GB" xml:lang= "EN-GB">BorderLayout</span></a></span></b></code><code><span lang= "EN-GB" style='color:black' xml:lang="EN-GB">(int hgap, int vgap)</span></code> <span lang="EN-GB" style='color:black' xml:lang="EN-GB"><br /> <br /></span></p> </td> <td style= 'border:none;background:white;padding:2.25pt 2.25pt 2.25pt 2.25pt'> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> </td> </tr> </table> <p class="MsoNormal"><span lang="EN-GB" xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span style='color:black'>On reprend l’exemple précédent et on modifie juste la disposition :</span></p> <p class="MsoNormal"><span style= 'font-family:"Tahoma",sans-serif;color:black'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.setLayout(new BorderLayout(20,2)); //20 est l’espace entre les différents éléments d'1 lg (donc espacement d’une</span></p> <p class="MsoNormal" style= 'margin-left:141.6pt;text-indent:35.4pt'><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif;color:black'>// colonne à une autre).</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.add("North",b);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.add("South",t);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.add("Center",l2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.add("East",l);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.add("West",b2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif;color:black'>c.add(t2);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black;display:none'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black;display:none'> </span></p> <p class="MsoNormal"><span style='color:black'>On obtient :</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black;display:none'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:14.0pt; font-family:"Monotype Sorts";color:#FFCC00'><img border="0" width="316" height="233" src="Cours_Atelier9_fichiers/image006.jpg" alt="image" /></span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:14.0pt; font-family:"Monotype Sorts";color:#FFCC00'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black;display:none'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black;display:none'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:12.0pt; color:black;display:none'> </span></p> <p class="MsoNormal"><span style='color:black'>On constate que t2 a écrasé l2 au centre. En fait, il faut transmettre l’emplacement et le composant à la méthode add dans le cas d’un BorderLayout.</span></p> <p class="MsoNormal"><span style='color:black'>Mais de toute façon, il y a seulement 5 régions ! Ce gestionnaire contrairement aux précédents ne place pas les composants dans l’ordre des add mais ne peut en placer que 5.</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>En fait, quand on a une interface graphique à concevoir, on la découpe en parties, chaque partie étant un conteneur (on utilisera le conteneur Jpanel) géré par un gestionnaire de répartition. Puis les différents panneaux seront ajoutés au conteneur implicite de la fenêtre.</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>Ainsi créer des interfaces graphiques, c’est mettre des boîtes dans des boîtes elles-mêmes situées dans des boîtes…</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>Remarque : nous avons vu que dans le conteneur implicite de la fenêtre, la méthode add ajoute toujours le composant au même endroit si on n’utilise pas de gestionnaire de répartition. A l’intérieur d’un panneau, on verra que par défaut (c’est à dire si l’on ne précise pas de gestionnaire de répartition), le gestionnaire de répartition FlowLayout est utilisé.</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <h3><a name="node9" id="node9"></a>1.3.3<span style= 'font:7.0pt "Times New Roman"'> </span> Le positionnement en absolu</h3> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black;display:none'> </span></p> <p class="MsoNormal"><span style='color:black'>Il est également possible de placer ses composants exactement là où l’on veut</span></p> <p class="MsoNormal"><span style='color:black'>Pour faire du positionnement en absolu, il faut :</span></p> <p class="MsoNormal"><span style='color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>. indiquer qu’il ne faut pas utiliser de LayoutManager :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>ObjetConteneur.setLayout(null) ;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>. fixer les coordonnées et la taille de chaque composant :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>ObjetComposant.setBounds(x, y, largeur, hauteur)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>x indique le déplacement par rapport à la gauche du conteneur.</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>y indique le déplacement par rapport au haut du conteneur.</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black'> </span></p> <p class="MsoNormal"><span style='color:black'>On reprend l’exemple précédent et on précise la disposition et la taille de chaque composant :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.setLayout(null);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>b.setBounds(0,0,100,150);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.add(b);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>t.setBounds(0,150,100,150);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.add(t);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>l2.setBounds(0,300,100,150);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.add(l2);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>l.setBounds(100,0,100,150);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.add(l);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>b2.setBounds(100,150,100,150);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.add(b2);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>t2.setBounds(100,300,100,150);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif; color:black'>c.add(t2);</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black'> </span></p> <p class="MsoNormal"><span style='font-size:12.0pt;color:black'>On obtient :</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black'><img border="0" width="400" height= "479" src="Cours_Atelier9_fichiers/image007.jpg" alt= "image" /></span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black;display:none'><img border="0" width= "222" height="493" src="Cours_Atelier9_fichiers/image008.jpg" alt= "image" /></span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black;display:none'> </span></p> <p class="MsoNormal"><span style= 'color:black'>Remarque :</span></p> <p class="MsoNormal"><span style='color:black'>Cela est embêtant pour l’agrandissement/rétrécissement de la fenêtre car bien sûr les composants ne sont pas redimensionnés selon la taille de la fenêtre contrairement à ce qui se produit avec un gestionnaire de répartition.</span></p> <p class="MsoNormal"><span style='color:black'>On préfère donc utiliser un gestionnaire de répartition.</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black'> </span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;color:black;display:none'> </span></p> <h1><a name="node10" id="node10"></a>2<span style= 'font:7.0pt "Times New Roman"'> </span> Création d’interfaces graphiques et gestion des événements</h1> <p class="MsoNormal"> </p> <h2><a name="node11" id="node11"></a>2.1<span style= 'font:7.0pt "Times New Roman"'> </span> Création d’une interface graphique</h2> <p class="MsoNormal">Ainsi que nous l’avons dit, créer une interface graphique, c’est constituer des regroupements de composants. Chaque regroupement est placé dans un conteneur (on utilisera uniquement le conteneur Jpanel dans ce cours).</p> <p class="MsoBodyText"><span style= 'font-size:10.0pt;font-family:"Times New Roman",serif'>L’interface graphique que nous allons créer comprend 5 parties et la plupart des composants de base sont utilisés (Jlabel, JTextField, JRadioButton, JCheckBox et JComboBox).</span></p> <p class="MsoNormal"><span style= 'font-size:12.0pt;font-family:"Tahoma",sans-serif; color:black'> </span></p> <p class="MsoNormal"><span style= 'color:black'>Exemple :</span></p> <p class="MsoNormal"> </p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">import javax.swing.*;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">import java.awt.*;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class Ihm1 extends JFrame</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JLabel lblcivil, lblnom, lblprénom,lblloisirs,lblmsg;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JComboBox cbocivil;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JButton btnok, btnannul;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JRadioButton optarle, optda;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JCheckBox chksport, chkcinéma, chkmusique, chklecture;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JTextField txtnom, txtprénom;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public Ihm1()</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> setTitle("Etudiant en BTS informatique 2ème année");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">setSize(800,600);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JPanel j = (JPanel)getContentPane(); </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On indique qu'on utilise GridLayout au niveau du conteneur "implicite" de la fenêtre</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // et on prévoit l'ajout de 5 panneaux (donc on indique 5 lignes et 1 colonne).</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.setLayout(new GridLayout(5,1,0,6));</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Au niveau de chaque panneau, on souhaite que les composants soient ajoutés les uns à la suite des autres</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // donc le gestionnaire de répartition sera FlowLayout (c'est celui par défaut mais on le précise car on souhaite</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // un cadrage à gauche), on crée un objet nommé division qui sera notre gestionnaire de répartition pour chacun</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">// des panneaux</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> FlowLayout division = new FlowLayout(FlowLayout.LEFT);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <b><span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// CRÉATION DE LA PARTIE1 (CONTENANT LA CIVILITÉ, LE NOM ET LE PRÉNOM)</span></b></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie1 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie1);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création de l'étiquette civilité </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblcivil = new JLabel("Civilité : ");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie1.add(lblcivil);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création de la zone déroulante</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">cbocivil = new JComboBox();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> cbocivil.addItem("M.");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>cbocivil.addItem("Mme");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> cbocivil.addItem("Melle");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie1.add(cbocivil);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création des textes nom et prénom</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">lblnom = new JLabel("Nom : ");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie1.add(lblnom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">txtnom = new JTextField(" ");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie1.add(txtnom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblprénom = new JLabel("Prénom : ");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie1.add(lblprénom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">txtprénom = new JTextField(" ");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie1.add(txtprénom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> <b>// CRÉATION DE LA PARTIE2 (CONTENANT L'OPTION DE L'ÉTUDIANT)</b></span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie2 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie2);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création d'un groupe de boutons pour obtenir l'exclusion des boutons radios entre eux</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">ButtonGroup gp = new ButtonGroup();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Création du 1er bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optda = new JRadioButton("DA");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> gp.add(optda);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie2.add(optda);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création du 2nd bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optarle = new JRadioButton("ARLE");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> gp.add(optarle);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie2.add(optarle);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Par défaut, aucun bouton n'est sélectionné. Si on souhaite</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // en activer 1 par défaut, il faut utiliser setSelected ou bien il faut le créer avec true</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">// (exemple : optda = new JRadioButton("DA",true));</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optda.setSelected(true);</span></p> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"><br clear="all" style='page-break-before:always' /></span> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:6.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <b><span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// CRÉATION DE LA PARTIE3 (CONTENANT LES LOISIRS DE L'ÉTUDIANT)</span></b></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie3 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie3);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblloisirs = new JLabel("Vos loisirs : ");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Par défaut, aucune case n'est sélectionnée. Pour chaque case à sélectionner par défaut :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // il faut utiliser setSelected ou bien il faut la créer avec true.</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">chksport = new JCheckBox("Sport", true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> chkcinéma = new JCheckBox("Cinéma");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> chkmusique = new JCheckBox("Musique");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>chklecture = new JCheckBox("Lecture");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(lblloisirs);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chksport);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chkcinéma);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chkmusique);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">partie3.add(chklecture);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> chklecture.setSelected(true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:6.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <b><span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// CRÉATION DE LA PARTIE4 (CONTENANT LES BOUTONS OK ET ANNULER)</span></b></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie4 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie4);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création des boutons Ok et Annuler</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnok = new JButton("OK");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> partie4.add(btnok);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> btnannul = new JButton("Annuler");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie4.add(btnannul);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> <b>// CRÉATION DE LA PARTIE5 (CONTENANT LE RÉSULTAT DE LA SAISIE)</b></span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie5 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie5);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblmsg = new JLabel("Aucun événement n'est traité pour l'instant");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie5.add(lblmsg);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:6.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public static void main(String[] argv)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE">{</span></p> <p class="MsoNormal"><span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE"> Ihm1 Ihm = new Ihm1();</span></p> <p class="MsoNormal"><span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE"> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">Ihm.setVisible(true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style='font-size:7.0pt' xml:lang="EN-GB"> </span></p> <p class="MsoNormal">On obtient :</p> <p class="MsoNormal" align="center" style='text-align:center'> <img border="0" width="503" height="325" src= "Cours_Atelier9_fichiers/image009.jpg" alt="image" /></p> <br clear="all" style='page-break-before:always' /> <p class="MsoNormal"> </p> <h2><a name="node12" id="node12"></a>2.2<span style= 'font:7.0pt "Times New Roman"'> </span> Gestion des événements</h2> <h3><a name="node13" id="node13"></a>2.2.1<span style= 'font:7.0pt "Times New Roman"'> </span> Principe</h3> <p class="MsoNormal"> </p> <h4><a name="node14" id="node14"></a>2.2.1.1<span style= 'font:7.0pt "Times New Roman"'> </span> Première approche</h4> <p class="MsoNormal"> </p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import javax.swing.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.event.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>// On souhaite que ce soit l’objet de classe Fenetre4 qui écoute l’événement clic (ou barre d’espacement si</span></b></p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>// clavier) pouvant survenir sur chacun des boutons OK et Annuler donc la classe Fenetre4 doit implémenter</span></b></p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>// l’interface d’écoute ActionListener</span></b></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>class Fenetre4 extends JFrame <b>implements ActionListener</b></span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JButton btnOK, btnAnnuler;</span></p> <p class="MsoHeader" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>JLabel l;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>public Fenetre4()</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setTitle("Première fenêtre");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">setSize(200,300);</span></p> <p class="MsoHeader" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel j = (JPanel)getContentPane();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.setLayout(new FlowLayout());</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnOK = new JButton("OK");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL">j.add(btnOK);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnAnnuler = new JButton("Annuler");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.add(btnAnnuler);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">l = new JLabel();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.add(l);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Enregistrement des boutons auprès de l'objet écouteur (qui est l'objet de classe Fenetre4)</span></b></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnOK.addActionListener(this);</span></b></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnAnnuler.addActionListener(this);</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public static void main(String args[])</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">Fenetre4 premFen = new Fenetre4();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">premFen.setVisible(true);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>// ActionListener est une interface d’écoute d’un seul événement et si celui-ci se produit, le bouton (OK ou</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>// Annuler selon le cas) est la source de l’événement et la méthode correspondante (ActionPerformed) de l’objet</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>// écouteur (donc de la fenêtre) est exécutée.</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>// En effet, ici, l'écouteur des objets de l'ihm est l’ihm elle-même.</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>// C'est ce que l'on fait pour les ihm sur lesquels peu d’événements sont à gérer.</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span lang= "EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">public void actionPerformed (ActionEvent e)</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span lang= "EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">{</span></b></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">if (e.getSource() == btnOK)</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> l.setText("OK");</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> else</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></b> <b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>l.setText("Annuler");</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><b><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>}</span></b></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>} </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <h4 style='margin-left:0cm;text-indent:0cm'><a name="node15" id= "node15"></a><span style= 'font-size:10.0pt; font-weight:normal;font-style:normal'>Fenêtre obtenue après avoir cliqué sur OK. Au lieu de cliquer, on peut également appuyer sur la barre d’espacement (mais pas sur Entrée) :</span></h4> <p class="MsoNormal"> </p> <h4 style='margin-left:0cm;text-indent:0cm'><span style= 'font-weight:normal; font-style:normal'><img border="0" width="200" height="300" src="Cours_Atelier9_fichiers/image010.jpg" alt= "image" /></span> </h4> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h4><a name="node16" id="node16"></a>2.2.1.2<span style= 'font:7.0pt "Times New Roman"'> </span> Théorie</h4> <p class="MsoNormal"> </p> <p class="MsoNormal">On associe un objet écouteur à chaque composant graphique duquel on souhaite traiter les événements. Selon l’événement, le composant invoquera telle ou telle méthode de l’objet dit écouteur, la méthode contenant bien sûr le code à exécuter lors de la survenue de l’événement.</p> <p class="MsoNormal">Il existe différentes classes d’événement, chaque classe comportant 1 ou plusieurs événements.</p> <p class="MsoNormal"> </p> <p class="MsoNormal">Quand l’un des événements se produit, le composant source invoque la méthode de l’objet écouteur correspondant à l’événement survenu et ce en transmettant l’objet événement (ce qui permet de récupérer des informations sur l’événement survenu).</p> <p class="MsoNormal"> </p> <p class="MsoNormal">L’objet écouteur peut appartenir à n’importe quelle classe du moment que la classe implémente l’interface de la classe d’événements (la classe d’événements est qualifiée d’interface écouteur, la plus utilisée est ActionListener) qui nous intéresse. Par exemple, ici l’objet écouteur appartient à la classe Fenetre2 et cette classe implémente l’interface ActionListener.</p> <p class="MsoNormal"> </p> <p class="MsoNormal"><b><u>Démarche :</u></b></p> <p class="MsoNormal">1) Le composant doit s’inscrire auprès d’un objet écouteur pour chaque classe d’événements à traiter.</p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></b> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>composant<b>.add<i>XXX</i>Listener(</b>objetEcouteur<b>);</b></span></p> <p class="MsoNormal">XXX varie selon la classe des événements à écouter.</p> <p class="MsoNormal"> </p> <p class="MsoNormal">2) Indiquer que la classe de l’objet écouteur implémente l’interface écouteur. Ici, l’objet écouteur est l’objet Fenetre4 lui-même donc la classe Fenetre4 doit implémenter ActionListener</p> <p class="MsoNormal"> </p> <p class="MsoNormal">3) Redéfinir la (ou les) méthode (s) de l’interface écouteur. Ici, on redéfinit donc la méthode actionPerformed.</p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h4><a name="node17" id="node17"></a>2.2.1.3<span style= 'font:7.0pt "Times New Roman"'> </span> Créer des classes écouteurs</h4> <p class="MsoNormal"> </p> <p class="MsoNormal">Dans l’exemple précédent, l’objet écouteur est la fenêtre. Le problème est qu’elle écoute à la fois les événements sur le bouton OK et les événements sur le bouton Annuler, on est donc obligé de tester ensuite le composant sur lequel s’est produit l’événement (grâce à getSource()). Si on traite les événements de tous les composants de la fenêtre, le code des méthodes de traitement va s’alourdir car il faudra tester la source de l’événement (c’est à dire savoir quel est le composant sur lequel s’est produit l’événement).</p> <p class="MsoNormal"><span style='color:red;display:none'>Si on crée une classe Panneau_btn_std avec un bouton OK et un bouton Annuler, on pourra choisir l’objet Panneau_btn_std comme objet écouteur et alors c’est la classe Panneau_btn_std qui implémentera l’interface ActionListener et qui redéfinira la méthode ActionPerformed.</span></p> <p class="MsoNormal"> </p> <p class="MsoNormal">Mais on peut également créer des classes dont les instances ne serviront qu’à l’écoute des événements.</p> <p class="MsoNormal"> </p> <p class="MsoNormal">On reprend l’exemple précédent mais cette fois on crée une classe écouteur pour le bouton OK et une classe écouteur pour le bouton Annuler :</p> <p class="MsoNormal"> </p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import javax.swing.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.event.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">class Fenetre5 extends JFrame</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JButton btnOK, btnAnnuler;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JLabel l;</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public Fenetre5()</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setTitle("Première fenêtre");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">setSize(200,300);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel j = (JPanel)getContentPane();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.setLayout(new FlowLayout());</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnOK = new JButton("OK");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL">j.add(btnOK);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnAnnuler = new JButton("Annuler");</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.add(btnAnnuler);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="EN-GB">l = new JLabel();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.add(l);</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Enregistrement du bouton auprès de l'objet écouteur</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>btnOK.addActionListener(new OkBoutonListener());</span></b></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Enregistrement du bouton auprès de l'objet écouteur</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnAnnuler.addActionListener(new AnnulBoutonListener());</span></b></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public static void main(String args[])</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">Fenetre5 premFen = new Fenetre5();</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">premFen.setVisible(true);</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>}</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>// On définit 2 classes <b>internes</b> (1 pour chaque composant à écouter)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class OkBoutonListener implements ActionListener</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void actionPerformed(ActionEvent e)</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> l.setText("OK");</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public class AnnulBoutonListener implements ActionListener</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void actionPerformed(ActionEvent e)</span></b></p> <p class="MsoNormal"><b><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></b> <b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></b></p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> l.setText("Annuler");</span></b></p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> }</span></b></p> <p class="MsoNormal"><b><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> }</span></b></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>} </span></p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h3><a name="node18" id="node18"></a>2.2.2<span style= 'font:7.0pt "Times New Roman"'> </span> Les principales interfaces écouteurs</h3> <p><span style='font-size:10.0pt'>Principales interfaces écouteurs des packages java.awt.event et javax.swing.event :</span></p> <p class="MsoNormal" style= 'margin-left:36.0pt;text-indent:-14.7pt'><span style= 'font-family:Symbol'>·<span style= 'font:7.0pt "Times New Roman"'> </span></span> <b><u>ActionListener</u> </b> <b><i>//</i></b> <i>clic, barre d’espacement , touche entrée … selon le composant.</i></p> <p class="MsoNormal" style='margin-left:36.0pt'>Exemples :</p> <p class="MsoNormal" style='margin-left:36.0pt;text-indent:34.8pt'> Pour JButton, JRadioButton et JCheckBox : clic gauche et barre d’espacement.</p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> Pour JComboBox : déplacement dans la zone déroulante avec les flèches de déplacement.</p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> Pour JTextField : touche Entrée.</p> <p class="MsoNormal" style='margin-left:35.4pt'>Méthode : actionPerformed(actionEvent e)<br /> Evénement généré par la plupart des composants<br /> Méthode pour l’enregistrement : addActionListener</p> <p class="MsoNormal" style='margin-left:21.3pt'> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"> <b><u>ComponentListener</u></b> <b><i> //</i></b> <i>déplacement, affichage, masquage ou modification de taille de composants</i><br /> Méthodes : componentHidden(ComponentEvent e)<br /> componentMoved(ComponentEvent e)<br /> componentResized(ComponentEvent e)<br /> componentShown(ComponentEvent e)<br /> Evénements générés par : Component</li> </ul> <p class="MsoNormal" style='text-indent:35.4pt'>Méthode d’enregistrement : addComponentListener</p> <p class="MsoNormal"> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"> <b><u>FocusListener</u></b> <i>// obtention ou perte du focus par un composant</i><br /> Méthodes : focusGained(FocusEvent e)<br /> focusLost(FocusEvent e)<br /> Evénements générés par : Component</li> </ul> <p class="MsoNormal" style='margin-left:18.0pt;text-indent:17.4pt'> Méthode d’enregistrement : addFocusListener</p> <p class="MsoNormal" style='margin-left:18.0pt'> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"> <b><u>ItemListener</u></b> <i>// sélection dans un combo ou dans une liste(mais pas avec Jlist) ou dans un groupe de cases à cocher</i><br /> Méthodes : itemStateChanged(ItemEvent e)<br /> Evénements générés par : Checkbox, JComboBox, List …</li> </ul> <p class="MsoNormal" style='margin-left:35.4pt'>Méthode d’enregistrement : addItemListener</p> <p class="MsoNormal" style='margin-left:35.4pt'> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"> <b><u>KeyListener</u></b> <i>// action sur une touche du clavier (pressée ou relâchée)</i><br /> Méthodes : keyPressed(KeyEvent e)<br /> keyReleased(KeyEvent e)<br /> keyTyped(KeyEvent e)<br /> Evénements générés par : Component</li> </ul> <p class="MsoNormal" style='margin-left:35.4pt'>Méthode d’enregistrement : addKeyListener</p> <p class="MsoNormal" style='margin-left:18.0pt'> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"> <b><u>MouseListener</u></b> <i>// clic sur bouton, déplacement du pointeur</i><br /> Méthodes : mouseClicked(MouseEvent e)<br /> mouseEntered(MouseEvent e)<br /> mouseExited(MouseEvent e)<br /> mousePressed(MouseEvent e)<br /> mouseReleased(MouseEvent e)<br /> Evénements générés par : Component</li> </ul> <p class="MsoNormal" style='margin-left:35.4pt'>Méthode d’enregistrement : addMouseListener</p> <p class="MsoNormal" style='margin-left:35.4pt'> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"><b><u>MouseMotionListener</u></b> <i>// événements de glisser-déplacer</i><br /> Méthodes : <b>mouseDragged</b>(MouseEvent e)<br /> mouseMoved(MouseEvent e)<br /> Evénements générés par : Component</li> </ul> <p class="MsoNormal" style='margin-left:18.0pt;text-indent:17.4pt'> Méthode d’enregistrement : addMouseMotionListener</p> <p class="MsoNormal" style='margin-left:18.0pt'> </p> <ul style='margin-top:0cm' type="disc"> <li class="MsoNormal"> <b><u>WindowListener</u></b> <i>// fenêtre activée, désactivée, réduite, fermée, ...</i><br /> Méthodes : windowActivated(WindowEvent e)<br /> windowClosed(WindowEvent e)<br /> windowClosing(WindowEvent e)<br /> windowDeactivated(WindowEvent e)<br /> windowDeiconified(WindowEvent e)<br /> windowIconified(WindowEvent e)<br /> windowOpened(WindowEvent e)<br /> Evénements générés par : Window (notons que JFrame dérive de Frame qui elle dérive de Window).</li> </ul> <p class="MsoNormal" style='margin-left:35.4pt'>Méthode d’enregistrement : addWindowListener</p> <p class="MsoNormal" style='margin-left:35.4pt'> </p> <p class="MsoHeader" style= 'margin-left:36.0pt;text-indent:-18.0pt'><span lang="EN-GB" style= 'font-family:Symbol' xml:lang="EN-GB">·<span style= 'font:7.0pt "Times New Roman"'> </span></span> <b><u>ListSelectionListener</u></b> <i>//sélection dans une JList …</i><br /> <span lang="EN-GB" xml:lang="EN-GB">Méthode : valueChanged (ListSelectionEvent e)</span></p> <p class="MsoNormal" style='margin-left:18.0pt;text-indent:17.4pt'> Evénement généré par : JList …</p> <p class="MsoNormal" style='margin-left:35.4pt'>Méthode d’enregistrement : addListSelectionListener</p> <p class="MsoNormal"> </p> <p class="MsoNormal"> </p> <h3><a name="node19" id="node19"></a>2.2.3<span style= 'font:7.0pt "Times New Roman"'> </span> Les classes Adapter</h3> <p class="MsoNormal"> </p> <p class="MsoNormal">On sait que si une classe implémente une interface, elle doit redéfinir toutes les méthodes de l’interface. Or, certaines interfaces listener ont beaucoup de méthodes ce qui nous oblige à redéfinir des méthodes dont on n’a aucune utilité. Pour remédier à cela, Java propose des classes Adapter pour certaines interfaces listener.</p> <p class="MsoNormal">Au lieu d’implémenter l’interface, il suffira d’hériter de la classe Adapter et dans ce cas, on redéfinira uniquement les méthodes qui nous intéressent.</p> <p class="MsoNormal"> </p> <p class="MsoNormal">Voici la liste des principales classes Adapter :</p> <p class="MsoNormal" style='margin-left:21.3pt'>WindowAdapter</p> <p class="MsoNormal" style='margin-left:21.3pt'>MouseAdapter</p> <p class="MsoNormal" style='margin-left:21.3pt'> MouseMotionAdapter</p> <p class="MsoNormal" style='margin-left:21.3pt'>KeyAdapter</p> <p class="MsoNormal" style='margin-left:21.3pt'>FocusAdapter</p> <p class="MsoNormal" style='margin-left:21.3pt'> ComponentAdapter</p> <p class="MsoNormal"> </p> <p class="MsoNormal">Remarque : une classe adapteur nommée <i>XXXAdapter</i> correspond à l’interface écouteur <i>XXXListener</i>.</p> <p class="MsoNormal"> </p> <br clear="all" style='page-break-before:always' /> <p class="MsoHeader"> </p> <h3><a name="node20" id="node20"></a>2.2.4<span style= 'font:7.0pt "Times New Roman"'> </span> Exemple récapitulatif</h3> <p class="MsoNormal"> </p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import javax.swing.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import javax.swing.event.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>import java.awt.event.*;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class Ihm2 extends JFrame</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">{</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JLabel lblcivil, lblnom, lblprénom,lblloisirs,lblmsg;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JComboBox cbocivil;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JButton btnok, btnannul;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JRadioButton optarle, optda, opt1, opt2, optig, optad;</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>JCheckBox chksport, chkcinéma, chkmusique, chklecture, chkboursier;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> JTextField txtnom, txtprénom;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> JList lstrégime;</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public Ihm2 ()</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> addWindowListener(new EvenIhm());</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>setTitle("Etudiant au lycée Rabelais"); </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">setSize(800,600);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> JPanel j = (JPanel)getContentPane(); </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On indique qu'on utilise GridLayout au niveau du conteneur "implicite" de la fenêtre</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">j.setLayout(new GridLayout(8,1,0,6));</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> FlowLayout division = new FlowLayout(FlowLayout.LEFT);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// CRÉATION DE LA PARTIE0 (CONTENANT LA CIVILITÉ, LE NOM ET LE PRÉNOM)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie0 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie0);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création de l'étiquette civilité </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblcivil = new JLabel("Civilité : ");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie0.add(lblcivil);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">cbocivil = new JComboBox();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> cbocivil.addItem("M.");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> cbocivil.addItem("Mme");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> cbocivil.addItem("Melle");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> partie0.add(cbocivil);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> lblnom = new JLabel("Nom : ");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> partie0.add(lblnom);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> txtnom = new JTextField(" ");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie0.add(txtnom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblprénom = new JLabel("Prénom : ");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie0.add(lblprénom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">txtprénom = new JTextField(" ");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie0.add(txtprénom);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// CRÉATION DE LA PARTIE1 (CONTENANT LE REGIME)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie1 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie1);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création de la liste déroulante</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> String [] liste = {"Externe", "Demi-pensionnaire", "Interne"};</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lstrégime = new JList(liste);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie1.add(lstrégime);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">chkboursier = new JCheckBox("Boursier");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie1.add(chkboursier); </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">lstrégime.addListSelectionListener (new Lst());</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>chkboursier.setVisible(false);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // CRÉATION DE LA PARTIE2 (CONTENANT LE BTS, L'ANNEE ET EVENTUELLEMENT L'OPTION)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie21 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie21);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie22 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie22);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie23 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie23);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création d'un groupe de boutons pour obtenir l'exclusion des boutons radios entre eux</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">ButtonGroup gpbts = new ButtonGroup();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Création du 1er bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optig = new JRadioButton("BTS informatique de gestion");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL">gpbts.add(optig);</span></p> <p class="MsoNormal"><span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie21.add(optig);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création du 2nd bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optig.addActionListener (new Opt());</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optad = new JRadioButton("BTS assistant de direction");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> gpbts.add(optad);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie21.add(optad);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optad.addActionListener (new Opt());</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création du groupe de boutons radio pour l’année</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">ButtonGroup gpan = new ButtonGroup();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Création du 1er bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> opt1 = new JRadioButton("1ère année");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> gpan.add(opt1);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL">partie22.add(opt1);</span></p> <p class="MsoNormal"><span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL"> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">opt1.addActionListener (new Opt());</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Création du 2nd bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> opt2 = new JRadioButton("2ème année");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL">gpan.add(opt2);</span></p> <p class="MsoNormal"><span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL"> partie22.add(opt2);</span></p> <p class="MsoNormal"><span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL"> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">opt2.addActionListener (new Opt());</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Création du groupe de boutons radio pour l’option en 2<sup>ème</sup> année</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">ButtonGroup gpopt = new ButtonGroup();</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Création du 1er bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optda = new JRadioButton("DA");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> gpopt.add(optda);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie23.add(optda);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création du 2nd bouton radio et incorporation dans le groupe</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> optarle = new JRadioButton("ARLE");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> gpopt.add(optarle);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie23.add(optarle); </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optda.setVisible(false);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optarle.setVisible(false);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// CRÉATION DE LA PARTIE3 (CONTENANT LES LOISIRS DE L'ÉTUDIANT)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie3 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie3);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblloisirs = new JLabel("Vos loisirs : ");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Par défaut, aucune case n'est sélectionnée. Si on souhaite</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // en sélectionner par défaut, il faut utiliser setSelected ou bien il faut la créer avec true.</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">chksport = new JCheckBox("Sport");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> chkcinéma = new JCheckBox("Cinéma");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> chkmusique = new JCheckBox("Musique");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>chklecture = new JCheckBox("Lecture");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(lblloisirs);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chksport);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chkcinéma);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chkmusique);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie3.add(chklecture);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // CRÉATION DE LA PARTIE4 (CONTENANT LES BOUTONS OK ET ANNULER)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie4 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie4);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Création des boutons Ok et Annuler</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">btnok = new JButton("OK");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Enregistrement des boutons auprès de l'objet écouteur, on</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // pourrait procéder comme dans l'exemple précédent mais ici on va créer un objet écouteur par</span></p> <p class="MsoNormal" style='margin-left:35.4pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// composant à écouter</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> btnok.addActionListener(new OkBoutonListener());</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie4.add(btnok);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> btnannul = new JButton("Annuler");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> btnannul.addActionListener(new AnnulBoutonListener());</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> partie4.add(btnannul);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // CRÉATION DE LA PARTIE5 (CONTENANT LE RÉSULTAT DE LA SAISIE)</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">JPanel partie5 = new JPanel(division);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>j.add(partie5);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">lblmsg = new JLabel("");</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>partie5.add(lblmsg);</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public static void main(String argv[])</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE">{</span></p> <p class="MsoNormal"><span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE"> Ihm2 fen = new Ihm2();</span></p> <p class="MsoNormal"><span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE"> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">fen.setVisible(true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>}</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // On définit une classe interne pour l’écoute du bouton OK</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class OkBoutonListener implements ActionListener</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void actionPerformed(ActionEvent e)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE">String msg = cbocivil.getSelectedItem() + " " + txtprénom.getText() + " " + txtnom.getText();</span></p> <p class="MsoNormal"><span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On aurait pu écrire :</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // String msg = cbocivil.getItemAt(cbocivil.getSelectedIndex()) + " " + txtprénom.getText() + " " +</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// txtnom.getText();</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">if (optig.isSelected())</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang="NL">msg += optig.getText();</span></p> <p class="MsoNormal"><span lang="NL" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "NL"> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">else</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> msg += optad.getText(); </span></p> <p class="MsoNormal"><span lang="DE" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "DE"> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">lblmsg.setText(msg);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On définit une classe interne pour l’écoute du bouton Annuler</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class AnnulBoutonListener implements ActionListener</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void actionPerformed(ActionEvent e)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> lblmsg.setText("Annuler appuyé");</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On définit une classe interne pour l’écoute des boutons radio opt1, opt2, optad et optig</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class Opt implements ActionListener</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void actionPerformed(ActionEvent e)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// Si l’étudiant est en 2ème année de BTSIG, il faut rendre visibles les boutons radio pour l’option</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// (ARLE OU DA)</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">if (optig.isSelected() && opt2.isSelected())</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optda.setVisible(true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optarle.setVisible(true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> else</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optda.setVisible(false);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> optarle.setVisible(false);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On définit une classe interne pour l’écoute du Jlist lstrégime</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public class Lst implements ListSelectionListener</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void valueChanged(ListSelectionEvent e)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> if (lstrégime.getSelectedIndex() >= 1)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> chkboursier.setVisible(true);</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> else</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>chkboursier.setVisible(false); </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> }</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> </span> <span style='font-size:8.0pt;font-family:"Arial",sans-serif'>// On définit une classe interne pour l’écoute de la fenêtre (on utilise WindowAdapter car on souhaite coder uniquement les</span></p> <p class="MsoNormal" style='text-indent:35.4pt'><span lang="EN-GB" style='font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">// méthodes windowsOpened et windowClosing)</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public class EvenIhm extends WindowAdapter</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> {</span></p> <p class="MsoNormal"><span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB"> public void windowOpened(WindowEvent e)</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> // Code effectué après le constructeur</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> </span> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">setTitle(getTitle() + " 8, rue Rabelais 22000 St-Brieuc");</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">}</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span lang="EN-GB" style= 'font-size:8.0pt;font-family:"Arial",sans-serif' xml:lang= "EN-GB">public void windowClosing(WindowEvent e)</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>{</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'> System.exit(0);</span></p> <p class="MsoNormal" style='margin-left:70.8pt;text-indent:35.4pt'> <span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>}</span></p> <p class="MsoNormal" style='margin-left:35.4pt'><span style= 'font-size:8.0pt; font-family:"Arial",sans-serif'>}</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt;font-family:"Arial",sans-serif'>}</span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> <p class="MsoNormal">On obtient :</p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> <p class="MsoNormal" align="center" style='text-align:center'> <span style='font-size:8.0pt'><img border="0" width="593" height= "302" id="Image 1" src="Cours_Atelier9_fichiers/image011.gif" alt= "image" name="Image 1" /></span></p> <p class="MsoNormal"><span style= 'font-size:8.0pt'> </span></p> </div>
Table des matières
Sujets
Recherche
LES INTERFACES GRAPHIQUES SOUS LE JDK
1 Première approche des interfaces graphiques sous le JDK
1.1 Liste des principaux composants Swing
1.2 Création d’une 1ère fenêtre
1.3 Ajout de composants
1.3.1 Première approche
1.3.2 Les gestionnaires de répartition
1.3.2.1 Exemple
1.3.2.2 Les principaux gestionnaires de répartition (on parle également de gestionnaire de placement ou de politique de placement)
1.3.3 Le positionnement en absolu
2 Création d’interfaces graphiques et gestion des événements
2.1 Création d’une interface graphique
2.2 Gestion des événements
2.2.1 Principe
2.2.1.1 Première approche
Fenêtre obtenue après avoir cliqué sur OK. Au lieu de cliquer, on peut également appuyer sur la barre d’espacement (mais pas sur Entrée) :
2.2.1.2 Théorie
2.2.1.3 Créer des classes écouteurs
2.2.2 Les principales interfaces écouteurs
2.2.3 Les classes Adapter
2.2.4 Exemple récapitulatif
1.1 Liste des principaux composants Swing
1.2 Création d’une 1ère fenêtre
1.3.1 Première approche
1.3.2.1 Exemple
1.3.2.2 Les principaux gestionnaires de répartition (on parle également de gestionnaire de placement ou de politique de placement)
1.3.2 Les gestionnaires de répartition
1.3.3 Le positionnement en absolu
1.3 Ajout de composants
1 Première approche des interfaces graphiques sous le JDK
2.1 Création d’une interface graphique
2.2.1.1 Première approche
2.2.1.2 Théorie
2.2.1.3 Créer des classes écouteurs
2.2.1 Principe
2.2.2 Les principales interfaces écouteurs
2.2.3 Les classes Adapter
2.2.4 Exemple récapitulatif
2.2 Gestion des événements
2 Création d’interfaces graphiques et gestion des événements
Fenêtre obtenue après avoir cliqué sur OK. Au lieu de cliquer, on peut également appuyer sur la barre d’espacement (mais pas sur Entrée) :
LES INTERFACES GRAPHIQUES SOUS LE JDK
Générée avec
chmProcessor
Générée avec
chmProcessor