added WORKING back button on downloadSelection

src/gui/DownloadSelectionGen.java

@@ -6,6 +6,10 @@ package gui;
  * and open the template in the editor.
  */
 
+
+ import javax.swing.JFrame;
+ import javax.swing.SwingUtilities;
+
 /**
 * @author	Louis Royer
 * @author	Flavien Haas
@@ -15,6 +19,7 @@ public class DownloadSelectionGen extends javax.swing.JPanel {
 
 	// Variables declaration - do not modify
 	private javax.swing.JButton jButton1;
+	private javax.swing.JButton jButton2;
 	private javax.swing.JLabel jLabel1;
 	private javax.swing.JList<String> jList1;
 	private javax.swing.JScrollPane jScrollPane1;
@@ -43,6 +48,7 @@ public class DownloadSelectionGen extends javax.swing.JPanel {
         jButton1 = new javax.swing.JButton();
         jScrollPane1 = new javax.swing.JScrollPane();
         jList1 = new javax.swing.JList<>();
+        jButton2 = new javax.swing.JButton();
 
         jLabel1.setText("Select a file to download:");
 
@@ -59,41 +65,59 @@ public class DownloadSelectionGen extends javax.swing.JPanel {
             public String getElementAt(int i) { return strings[i]; }
         });
         jScrollPane1.setViewportView(jList1);
+
 				jList1.setSelectedIndex(0);
+				jButton2.setText("Back");
+			         jButton2.addActionListener(new java.awt.event.ActionListener() {
+			             public void actionPerformed(java.awt.event.ActionEvent evt) {
+			                 jButton2ActionPerformed(evt);
+			             }
+			         });
 
-				javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
-        this.setLayout(layout);
-        layout.setHorizontalGroup(
-            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGroup(layout.createSequentialGroup()
-                .addContainerGap()
-                .addComponent(jLabel1)
-                .addGap(0, 0, Short.MAX_VALUE))
-            .addGroup(layout.createSequentialGroup()
-                .addGap(97, 97, 97)
-                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 300, javax.swing.GroupLayout.PREFERRED_SIZE)
-                .addContainerGap(104, Short.MAX_VALUE))
-            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE)
-                .addGap(23, 23, 23))
-        );
-        layout.setVerticalGroup(
-            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGroup(layout.createSequentialGroup()
-                .addContainerGap()
-                .addComponent(jLabel1)
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
-                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 134, javax.swing.GroupLayout.PREFERRED_SIZE)
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(jButton1)
-                .addContainerGap(24, Short.MAX_VALUE))
-        );
-    }// </editor-fold>
-
-
-    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
-        // TODO add your handling code here:
-    }
+
+			        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
+			        this.setLayout(layout);
+			        layout.setHorizontalGroup(
+			            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+			            .addGroup(layout.createSequentialGroup()
+			                .addContainerGap()
+			                .addComponent(jLabel1)
+			                .addGap(0, 0, Short.MAX_VALUE))
+			            .addGroup(layout.createSequentialGroup()
+			                .addGap(97, 97, 97)
+			                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 300, javax.swing.GroupLayout.PREFERRED_SIZE)
+			                .addContainerGap(104, Short.MAX_VALUE))
+			            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
+			                .addGap(25, 25, 25)
+			                .addComponent(jButton2)
+			                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+			                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE)
+			                .addGap(23, 23, 23))
+			        );
+			        layout.setVerticalGroup(
+			            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+			            .addGroup(layout.createSequentialGroup()
+			                .addContainerGap()
+			                .addComponent(jLabel1)
+			                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+			                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 134, javax.swing.GroupLayout.PREFERRED_SIZE)
+			                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+			                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+			                    .addComponent(jButton1)
+			                    .addComponent(jButton2))
+			                .addContainerGap(24, Short.MAX_VALUE))
+			        );
+			    }// </editor-fold>
+
+			    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
+							// TODO add your handling code here:
+			    }
+
+			    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
+							ArgumentsGen a = new ArgumentsGen();
+							JFrame topFrame = (JFrame) SwingUtilities.getWindowAncestor(this);
+							topFrame.add(a);
+							this.setVisible(false);
+			    }
 
 }