Merge branch 'master' of https://github.com/babolivier/burger-quizz

java/.idea/workspace.xml

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     <MESSAGE value="dialogu co bdd" />
-    <option name="LAST_COMMIT_MESSAGE" value="dialogu co bdd" />
+    <MESSAGE value="amelioration diverse concernant la boite de dialogue des parametres" />
+    <MESSAGE value="modification parametre operationelle" />
+    <option name="LAST_COMMIT_MESSAGE" value="modification parametre operationelle" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
     <option name="FILTER_TARGETS" value="false" />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/src/MainAdminBddBurgerQuizz.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="8" column="75" selection-start-line="8" selection-start-column="75" selection-end-line="8" selection-end-column="75" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/Bouton.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="11" column="73" selection-start-line="11" selection-start-column="10" selection-end-line="11" selection-end-column="73" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/mcd.png">
       <provider selected="true" editor-type-id="images">
         <state />
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="21" selection-start-line="0" selection-start-column="21" selection-end-line="0" selection-end-column="21" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
         <state />
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/Bouton.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.5719626">
-          <caret line="17" column="0" selection-start-line="17" selection-start-column="0" selection-end-line="17" selection-end-column="0" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/Categorie.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/MainAdminBddBurgerQuizz.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.51657456">
-          <caret line="11" column="44" selection-start-line="11" selection-start-column="44" selection-end-line="11" selection-end-column="44" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/GestionCategories.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="2.4738805">
           <caret line="93" column="38" selection-start-line="93" selection-start-column="38" selection-end-line="93" selection-end-column="38" />
-          <folding>
-            <element signature="imports" expanded="false" />
-            <element signature="e#2160#2161#0" expanded="false" />
-            <element signature="e#2188#2189#0" expanded="false" />
-          </folding>
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.46082088">
           <caret line="52" column="26" selection-start-line="52" selection-start-column="26" selection-end-line="52" selection-end-column="26" />
-          <folding />
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="84" column="28" selection-start-line="84" selection-start-column="28" selection-end-line="84" selection-end-column="28" />
-          <folding>
-            <element signature="imports" expanded="false" />
-            <element signature="e#2627#2628#0" expanded="false" />
-            <element signature="e#2653#2654#0" expanded="false" />
-          </folding>
         </state>
       </provider>
     </entry>
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="89" column="36" selection-start-line="89" selection-start-column="36" selection-end-line="89" selection-end-column="36" />
-          <folding>
-            <element signature="imports" expanded="false" />
-            <element signature="e#2985#2986#0" expanded="false" />
-            <element signature="e#3013#3014#0" expanded="false" />
-          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/NouvelleReponseDialog.java">
+    <entry file="file://$PROJECT_DIR$/src/Bouton.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.20165746">
+          <caret line="6" column="40" selection-start-line="6" selection-start-column="40" selection-end-line="6" selection-end-column="40" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/conf.xml">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.31716418">
-          <caret line="17" column="31" selection-start-line="17" selection-start-column="31" selection-end-line="17" selection-end-column="31" />
+        <state vertical-scroll-proportion="0.0">
+          <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/ConfigBDD.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.60261196">
+          <caret line="19" column="9" selection-start-line="19" selection-start-column="9" selection-end-line="19" selection-end-column="9" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/ConnexionBDD.java">
       <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="-0.29104477">
+          <caret line="40" column="32" selection-start-line="40" selection-start-column="32" selection-end-line="40" selection-end-column="32" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/ConnexionBddDialog.java">
+      <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
-          <caret line="39" column="74" selection-start-line="39" selection-start-column="74" selection-end-line="39" selection-end-column="74" />
+          <caret line="105" column="143" selection-start-line="105" selection-start-column="143" selection-end-line="105" selection-end-column="143" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
     <entry file="file://$PROJECT_DIR$/src/NouvelleQuestionDialog.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
-          <caret line="16" column="31" selection-start-line="16" selection-start-column="31" selection-end-line="16" selection-end-column="31" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="e#2002#2003#0" expanded="true" />
-            <element signature="e#2034#2035#0" expanded="true" />
-            <element signature="e#2062#2063#0" expanded="true" />
-            <element signature="e#2102#2103#0" expanded="true" />
-          </folding>
+          <caret line="73" column="143" selection-start-line="73" selection-start-column="143" selection-end-line="73" selection-end-column="143" />
+          <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/ConnexionBddDialog.java">
+    <entry file="file://$PROJECT_DIR$/src/InterfacePrincipale.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
-          <caret line="38" column="0" selection-start-line="38" selection-start-column="0" selection-end-line="38" selection-end-column="0" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
+          <caret line="584" column="26" selection-start-line="584" selection-start-column="19" selection-end-line="584" selection-end-column="26" />
+          <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/InterfacePrincipale.java">
+    <entry file="file://$PROJECT_DIR$/src/NouvelleReponseDialog.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0">
+          <caret line="35" column="31" selection-start-line="35" selection-start-column="31" selection-end-line="35" selection-end-column="31" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/MainAdminBddBurgerQuizz.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.660221">
-          <caret line="118" column="55" selection-start-line="118" selection-start-column="55" selection-end-line="118" selection-end-column="55" />
+        <state vertical-scroll-proportion="0.06716418">
+          <caret line="7" column="8" selection-start-line="7" selection-start-column="8" selection-end-line="7" selection-end-column="8" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="method#loadImgBouton#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#createPanelCategories#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#modem56k#0;class#InterfacePrincipale#0" expanded="false" />
-            <element signature="method#nyan#0;class#InterfacePrincipale#0" expanded="false" />
           </folding>
         </state>
       </provider>

java/src/ConfigBDD.java

+import java.io.*;
+import java.util.Properties;
+
+public class ConfigBDD
+{
+	private Properties conf;
+
+	public ConfigBDD() {
+		conf = new Properties();
+	}
+
+	public boolean loadConf()
+	{
+		try
+		{
+			conf.loadFromXML(new FileInputStream("conf.xml"));
+			return true;
+		}
+		catch (IOException e)
+		{
+			loadDefaultConf();
+			saveConf();
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	public boolean saveConf()
+	{
+		try
+		{
+			conf.storeToXML(new FileOutputStream("conf.xml"), "Configuration de l'aplication de gestion du jeu BurgerQuizz");
+			return true;
+		}
+		catch (IOException e)
+		{
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	public void loadDefaultConf()
+	{
+		conf.setProperty("nomBdd", "burgerquizz");
+		conf.setProperty("port", "3306");
+		conf.setProperty("ip", "localhost");
+		conf.setProperty("login", "alain");
+		conf.setProperty("password", "chabat");
+	}
+
+	public String getNomBdd() {
+		return conf.getProperty("nomBdd");
+	}
+
+	public void setNomBdd(String nomBdd) {
+		conf.setProperty("nomBdd", nomBdd);
+	}
+
+	public int getPort() {
+		return Integer.parseInt(conf.getProperty("port"));
+	}
+
+	public void setPort(int port) {
+		conf.setProperty("port", String.valueOf(port));
+	}
+
+	public String getIp() {
+		return conf.getProperty("ip");
+	}
+
+	public void setIp(String ip) {
+		conf.setProperty("ip", ip);
+	}
+
+	public String getLogin() {
+		return conf.getProperty("login");
+	}
+
+	public void setLogin(String login) {
+		conf.setProperty("login", login);
+	}
+
+	public String getPassword() {
+		return conf.getProperty("password");
+	}
+
+	public void setPassword(String password) {
+		conf.setProperty("password", password);
+	}
+}

java/src/ConnexionBDD.java

 public class ConnexionBDD
 {
 	Connection connexionbdd;
-	String nomBdd;
 	GestionCategories gestionCategories;
 	GestionReponses gestionReponses;
 	GestionQuestions gestionQuestions;
 
-	public ConnexionBDD(String nomBdd, int port, String ip, String login, String password)
+	public ConnexionBDD()
 	{
-		this.nomBdd = nomBdd;
-
 		try
 		{
 			Class.forName("com.mysql.jdbc.Driver");
 			e.printStackTrace();
 			System.exit(1);
 		}
+	}
 
+	public boolean connect(String nomBdd, int port, String ip, String login, String password)
+	{
 		try
 		{
 			String url = "jdbc:mysql://" + ip + ":" + port + "/" + nomBdd;
 			gestionCategories = new GestionCategories(connexionbdd);
 			gestionReponses = new GestionReponses(connexionbdd);
 			gestionQuestions = new GestionQuestions(connexionbdd);
+
+			return true;
 		}
 		catch(SQLException e)
 		{
 			e.printStackTrace();
-			System.out.println("Erreur de conexion à la base de données");
-			System.exit(1);
+			System.out.println("Erreur de conexion à la base de données: " + e.getMessage());
+			return false;
+			//System.exit(1);
 		}
 	}
 

java/src/ConnexionBddDialog.java

 	private JButton ok;
 	private JButton annuler;
 	private JButton defParams;
+	private JButton quitter;
 	private boolean modifEffectuees;
 
-	public ConnexionBddDialog(String nomBdd, int port, String ip, String login, String password, JFrame parent)
+	public ConnexionBddDialog(String nomBdd, int port, String ip, String login, String password, JFrame parent, boolean showExitButton)
 	{
-		super(parent, "Paramétres BDD", true);
+		super(parent, "Paramètres de connexion à la  base de données", true);
 		modifEffectuees = false;
-		createInterface(nomBdd, port, ip, login, password);
+		createInterface(nomBdd, port, ip, login, password, showExitButton);
 		pack();
 		setLocationRelativeTo(null);
 		setResizable(false);
 	}
 
-	private void createInterface(String defNomBdd, int defPort, String defIP, String defLogin, String defPassword)
+	private void createInterface(String defNomBdd, int defPort, String defIP, String defLogin, String defPassword, boolean showExitButton)
 	{
 		nomBdd = new JTextField(defNomBdd, 30);
 		port = new JFormattedTextField(NumberFormat.getInstance());
 
 		ok = new JButton("OK");
 		annuler = new JButton("Annuler");
-		defParams = new JButton("Paramétres de connexion par défault");
+		defParams = new JButton("Paramètres de connexion par défaut");
+		quitter = new JButton("Quitter l'aplication");
 
 		ok.addActionListener(this);
 		annuler.addActionListener(this);
 		defParams.addActionListener(this);
+		quitter.addActionListener(this);
 
 		JPanel fieldPanel = new JPanel();
 		JPanel boutons = new JPanel();
 		fieldPanel.add(new JLabel("Mot de passe utilisateur:"));
 		fieldPanel.add(password);
 
-		boutons.add(annuler);
+		if(!showExitButton)boutons.add(annuler);
 		boutons.add(defParams);
 		boutons.add(ok);
+		if(showExitButton)boutons.add(quitter);
 
 		getContentPane().add(fieldPanel, BorderLayout.CENTER);
 		getContentPane().add(boutons, BorderLayout.SOUTH);
 		return modifEffectuees;
 	}
 
-	public void actionPerformed(ActionEvent actionEvent)
+	public void actionPerformed(ActionEvent e)
 	{
-		modifEffectuees = false;
-		setVisible(false);
+		if(e.getSource() == defParams)
+		{
+			nomBdd.setText("burgerquizz");
+			port.setValue(3306);
+			ip.setText("localhost");
+			login.setText("alain");
+			password.setText("chabat");
+		}
+		else if(e.getSource() == annuler)
+		{
+			modifEffectuees = false;
+			setVisible(false);
+		}
+		else if(e.getSource() == ok)
+		{
+			if(getNomBdd().isEmpty() || getIp().isEmpty() || getLogin().isEmpty())
+			{
+				JOptionPane.showMessageDialog(this, "Les champs ne doivent pas être vide.", "Champs non remplis", JOptionPane.WARNING_MESSAGE);
+				return;
+			}
+			modifEffectuees = true;
+			setVisible(false);
+		}
+		else if(e.getSource() == quitter)
+		{
+			System.exit(0);
+		}
+	}
+
+	public String getNomBdd() {
+		return nomBdd.getText();
+	}
+
+	public int getPort() {
+		return (int) port.getValue();
+	}
+
+	public String getIp() {
+		return ip.getText();
+	}
+
+	public String getLogin() {
+		return login.getText();
+	}
+
+	public String getPassword() {
+		return String.valueOf(password.getPassword());
 	}
 }

java/src/InterfacePrincipale.java

 
 	//objet bdd
 	private ConnexionBDD bdd;
+	private ConfigBDD configBDD;
 
 	public InterfacePrincipale()
 	{
-		ConnexionBddDialog cbddd = new ConnexionBddDialog("efr",85,"42:42:42:42","eflgr","fmr,grgerge", null);
-		cbddd.afficher();
-		bdd = new ConnexionBDD("burgerquizz", 3306, "localhost", "alain", "chabat");
+		configBDD = new ConfigBDD();
+		configBDD.loadConf();
+		bdd = new ConnexionBDD();
+
+		tryToConnect();
 
 		setTitle("Administration base de données de l'aplication BurgerQuizz");
 		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 	private void createStatusBar()
 	{
-		statusBar = new JPanel(new BorderLayout());
+		statusBar = new JPanel(new BorderLayout(0,0));
 		statusText = new JLabel("Application demarrée, connexion à la base de donné effective. ");
 
 		Border border = BorderFactory.createMatteBorder(3,0,0,0, new Color(220,220,220));
 		statusBar.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(10,70,5,70),border));
 
+		statusText.setHorizontalAlignment(SwingConstants.CENTER);
+
 		config = new Bouton("Configuration", setupImg);
-		config.setPreferredSize(new Dimension(250, 34));
+		config.setPreferredSize(new Dimension(200, 34));
 		JPanel p = new JPanel();
-		p.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
+		p.setLayout(new BorderLayout());
+		p.add(config, BorderLayout.CENTER);
+		p.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
 
 		statusBar.add(statusText, BorderLayout.CENTER);
-		p.add(config, BorderLayout.EAST);
 		statusBar.add(p, BorderLayout.EAST);
-		//statusBar.add(config, BorderLayout.EAST);
+
+		config.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent actionEvent) {
+				configureBDD(false);
+				tryToConnect();
+				listC.setListData(bdd.getListeCategorie().toArray());
+				listR.setListData(new Vector(0));
+				listQ.setListData(new Vector(0));
+			}
+		});
 	}
 
 	private void createPanelCategories()
 		pack();
 	}
 
+	public void configureBDD(boolean showExitButton)
+	{
+		ConnexionBddDialog cbddd = new ConnexionBddDialog(configBDD.getNomBdd(), configBDD.getPort(),
+				configBDD.getIp(), configBDD.getLogin(),
+				configBDD.getPassword(), null, showExitButton);
+		if(cbddd.afficher() == true)
+		{
+			configBDD.setNomBdd(cbddd.getNomBdd());
+			configBDD.setIp(cbddd.getIp());
+			configBDD.setPort(cbddd.getPort());
+			configBDD.setLogin(cbddd.getLogin());
+			configBDD.setPassword(cbddd.getPassword());
+
+			configBDD.saveConf();
+		}
+	}
+
+	private void tryToConnect()
+	{
+		boolean conOK = false;
+		do
+		{
+			conOK = bdd.connect(configBDD.getNomBdd(), configBDD.getPort(), configBDD.getIp(), configBDD.getLogin(), configBDD.getPassword());
+			if(conOK == false)
+			{
+				JOptionPane.showMessageDialog(this, "Impossible d'établir la connexion à la base de données.", "Erreur conexion base de données", JOptionPane.ERROR_MESSAGE);
+				configureBDD(true);
+			}
+		}while(!conOK);
+	}
+
 	private void reSelectCategorie(String newCatName)
 	{
 		Object[] tabObject = bdd.getListeCategorie().toArray();
 		{
 			if(e.getSource() == addC)
 			{
-				JOptionPane jop = new JOptionPane();
-
-				String catName = jop.showInputDialog(null,
+				String catName = JOptionPane.showInputDialog(null,
 						"Nom de la nouvelle categorie:",
 						"Nouvelle catégorie",
 						JOptionPane.QUESTION_MESSAGE);
 			}
 			else if(e.getSource() == delC)
 			{
-				JOptionPane jop = new JOptionPane();
-
 				Categorie c = (Categorie) listC.getSelectedValue();
 
 				if(c == null)
 
 				String categorieName = c.getNom();
 
-				if(jop.showConfirmDialog(null,"Voulez vous vraiment supprimer la catégorie " + categorieName + " ?\nCela supprimera aussi toute les reponses et questions associé à cette catégorie.", "Supression de catégorie", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION)
+				if(JOptionPane.showConfirmDialog(null, "Voulez vous vraiment supprimer la catégorie " + categorieName + " ?\nCela supprimera aussi toute les reponses et questions associé à cette catégorie.", "Supression de catégorie", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION)
 				{
 					bdd.deleteCategorie(categorieName);
 					listC.setListData(bdd.getListeCategorie().toArray());
 					return;
 				}
 
-				JOptionPane jop = new JOptionPane();
-
 				String oldCatName = c.getNom();
 
-				String newCatName = jop.showInputDialog(null,
+				String newCatName = JOptionPane.showInputDialog(null,
 						"Nouveau nom pour la categorie " + oldCatName + ":",
 						"Renomer catégorie",
 						JOptionPane.QUESTION_MESSAGE);
 			}
 			else if(e.getSource() == delR)
 			{
-				JOptionPane jop = new JOptionPane();
-
 				Reponses r = (Reponses) listR.getSelectedValue();
 
 				if(r == null)
 				String reponse1 = r.getReponse1();
 				String reponse2 = r.getReponse2();
 
-				if(jop.showConfirmDialog(null,"Voulez vous vraiment supprimer le jeu de réponses " + reponse1 + ", " + reponse2 + " ?\nCela supprimera aussi toutes les questions associé à cette catégorie.", "Supression de réponses", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION)
+				if(JOptionPane.showConfirmDialog(null,"Voulez vous vraiment supprimer le jeu de réponses " + reponse1 + ", " + reponse2 + " ?\nCela supprimera aussi toutes les questions associé à cette catégorie.", "Supression de réponses", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION)
 				{
 					bdd.deleteReponses(reponse1, reponse2);
 					listR.setListData(bdd.getListeReponses(listC.getSelectedValue().toString()).toArray());
 			}
 			else if(e.getSource() == delQ)
 			{
-				JOptionPane jop = new JOptionPane();
-
 				Question q = (Question) listQ.getSelectedValue();
 
 				if(q == null)
 					return;
 				}
 
-				if(jop.showConfirmDialog(null,"Voulez vous vraiment supprimer la question " + q.getIntitule() + " ?", "Supression de question", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION)
+				if(JOptionPane.showConfirmDialog(null, "Voulez vous vraiment supprimer la question " + q.getIntitule() + " ?", "Supression de question", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION)
 				{
 					bdd.deleteQuestion(q.getIntitule(), q.getReponse1(), q.getReponse2());
 					listQ.setListData(bdd.getListeQuestions(q.getReponse1(), q.getReponse2()).toArray());

java/src/MainAdminBddBurgerQuizz.java

 import javax.swing.*;
+import java.util.Enumeration;
 
 public class MainAdminBddBurgerQuizz
 {

java/src/NouvelleQuestionDialog.java

 		else if(e.getSource() == ok) {
 			if(intitule.getText().isEmpty())
 			{
+				JOptionPane.showMessageDialog(this, "Les champs ne doivent pas être vide.", "Champs non remplis", JOptionPane.WARNING_MESSAGE);
 				return;
 			}
 			mofidEffectues = true;

java/src/NouvelleReponseDialog.java

 		rep1.setBackground(Color.WHITE);
 		rep2.setBackground(Color.WHITE);
 
-		ok = new JButton("OK");
+		ok = new JButton("OK",  UIManager.getIcon("OptionPane.errorIcon"));
 		annuler = new JButton("Annuler");
 		ok.addActionListener(this);
 		annuler.addActionListener(this);
 		else if(e.getSource() == ok) {
 			if(rep1.getText().isEmpty() || rep2.getText().isEmpty())
 			{
+				JOptionPane.showMessageDialog(this, "Les champs ne doivent pas être vide.", "Champs non remplis", JOptionPane.WARNING_MESSAGE);
 				return;
 			}
 			mofidEffectues = true;