updates for 0.9.4
[debian/openrocket] / src / net / sf / openrocket / util / GUIUtil.java
index 27cf121c7a5ffad1ae201742e15c87cb7df226a4..2f50a9cf92d11c75d2c197d3d02c6764a8b48663 100644 (file)
@@ -1,36 +1,62 @@
 package net.sf.openrocket.util;
 
 import java.awt.Component;
+import java.awt.Container;
 import java.awt.Image;
 import java.awt.KeyboardFocusManager;
 import java.awt.Point;
 import java.awt.Window;
 import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ComponentListener;
+import java.awt.event.FocusListener;
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
+import java.beans.PropertyChangeListener;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Enumeration;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.Vector;
 
 import javax.imageio.ImageIO;
 import javax.swing.AbstractAction;
+import javax.swing.AbstractButton;
 import javax.swing.Action;
+import javax.swing.DefaultBoundedRangeModel;
+import javax.swing.DefaultComboBoxModel;
+import javax.swing.DefaultListSelectionModel;
 import javax.swing.JButton;
+import javax.swing.JComboBox;
 import javax.swing.JComponent;
 import javax.swing.JDialog;
 import javax.swing.JRootPane;
+import javax.swing.JSlider;
+import javax.swing.JSpinner;
 import javax.swing.JTable;
+import javax.swing.JTree;
 import javax.swing.KeyStroke;
 import javax.swing.RootPaneContainer;
+import javax.swing.SpinnerNumberModel;
 import javax.swing.SwingUtilities;
+import javax.swing.event.ChangeListener;
 import javax.swing.table.AbstractTableModel;
+import javax.swing.table.DefaultTableColumnModel;
+import javax.swing.table.DefaultTableModel;
 import javax.swing.table.TableModel;
+import javax.swing.tree.DefaultTreeModel;
+import javax.swing.tree.DefaultTreeSelectionModel;
+import javax.swing.tree.TreeNode;
+
+import net.sf.openrocket.gui.Resettable;
 
 public class GUIUtil {
 
@@ -45,7 +71,6 @@ public class GUIUtil {
        loadImage("pix/icon/icon-032.png");
        loadImage("pix/icon/icon-016.png");
     }
-    
     private static void loadImage(String file) {
        InputStream is;
  
@@ -62,6 +87,26 @@ public class GUIUtil {
     }
     
 
+    
+    /**
+     * Set suitable options for a single-use disposable dialog.  This includes
+     * setting ESC to close the dialog and adding the appropriate window icons.
+     * If defaultButton is provided, it is set to the default button action.
+     * <p>
+     * The default button must be already attached to the dialog.
+     * 
+     * @param dialog           the dialog.
+     * @param defaultButton    the default button of the dialog, or <code>null</code>.
+     */
+    public static void setDisposableDialogOptions(JDialog dialog, JButton defaultButton) {
+       installEscapeCloseOperation(dialog);
+       setWindowIcons(dialog);
+       addModelNullingListener(dialog);
+       if (defaultButton != null) {
+               setDefaultButton(defaultButton);
+       }
+    }
+    
        
        
        /**
@@ -115,10 +160,165 @@ public class GUIUtil {
     }
 
     
+    
+    /**
+     * Set the OpenRocket icons to the window icons.
+     * 
+     * @param window   the window to set.
+     */
     public static void setWindowIcons(Window window) {
        window.setIconImages(images);
     }
     
+    /**
+     * Add a listener to the provided window that will call {@link #setNullModels(Component)}
+     * on the window once it is disposed.  This method may only be used on single-use
+     * windows and dialogs, that will never be shown again once closed!
+     * 
+     * @param window   the window to add the listener to.
+     */
+    public static void addModelNullingListener(final Window window) {
+       window.addWindowListener(new WindowAdapter() {
+                       @Override
+                       public void windowClosed(WindowEvent e) {
+                               setNullModels(window);
+                       }
+       });
+    }
+
+
+       /**
+        * Traverses recursively the component tree, and sets all applicable component 
+        * models to null, so as to remove the listener connections.  After calling this
+        * method the component hierarchy should no longed be used.
+        * <p>
+        * All components that use custom models should be added to this method, as
+        * there exists no standard way of removing the model from a component.
+        * 
+        * @param c             the component (<code>null</code> is ok)
+        */
+       public static void setNullModels(Component c) {
+               if (c==null)
+                       return;
+               
+               // Remove various listeners
+               for (ComponentListener l: c.getComponentListeners()) {
+                       c.removeComponentListener(l);
+               }
+               for (FocusListener l: c.getFocusListeners()) {
+                       c.removeFocusListener(l);
+               }
+               for (MouseListener l: c.getMouseListeners()) {
+                       c.removeMouseListener(l);
+               }
+               for (PropertyChangeListener l: c.getPropertyChangeListeners()) {
+                       c.removePropertyChangeListener(l);
+               }
+               for (PropertyChangeListener l: c.getPropertyChangeListeners("model")) {
+                       c.removePropertyChangeListener("model", l);
+               }
+               for (PropertyChangeListener l: c.getPropertyChangeListeners("action")) {
+                       c.removePropertyChangeListener("action", l);
+               }
+               
+               // Remove models for known components
+               //  Why the FSCK must this be so hard?!?!?
+       
+               if (c instanceof JSpinner) {
+                       
+                       JSpinner spinner = (JSpinner)c;
+                       for (ChangeListener l: spinner.getChangeListeners()) {
+                               spinner.removeChangeListener(l);
+                       }
+                       spinner.setModel(new SpinnerNumberModel());
+                       
+               } else if (c instanceof JSlider) {
+                       
+                       JSlider slider = (JSlider)c;
+                       for (ChangeListener l: slider.getChangeListeners()) {
+                               slider.removeChangeListener(l);
+                       }
+                       slider.setModel(new DefaultBoundedRangeModel());
+                       
+               } else if (c instanceof JComboBox) {
+                       
+                       JComboBox combo = (JComboBox)c;
+                       for (ActionListener l: combo.getActionListeners()) {
+                               combo.removeActionListener(l);
+                       }
+                       combo.setModel(new DefaultComboBoxModel());
+                       
+               } else if (c instanceof AbstractButton) {
+                       
+                       AbstractButton button = (AbstractButton)c;
+                       for (ActionListener l: button.getActionListeners()) {
+                               button.removeActionListener(l);
+                       }
+                       button.setAction(new AbstractAction() {
+                               @Override
+                               public void actionPerformed(ActionEvent e) { }
+                       });
+                       
+               } else if (c instanceof JTable) {
+                       
+                       JTable table = (JTable)c;
+                       table.setModel(new DefaultTableModel());
+                       table.setColumnModel(new DefaultTableColumnModel());
+                       table.setSelectionModel(new DefaultListSelectionModel());
+                       
+               } else if (c instanceof JTree) {
+                       
+                       JTree tree = (JTree)c;
+                       tree.setModel(new DefaultTreeModel(new TreeNode() {
+                               @SuppressWarnings("unchecked")
+                               @Override
+                               public Enumeration children() {
+                                       return new Vector().elements();
+                               }
+                               @Override
+                               public boolean getAllowsChildren() {
+                                       return false;
+                               }
+                               @Override
+                               public TreeNode getChildAt(int childIndex) {
+                                       return null;
+                               }
+                               @Override
+                               public int getChildCount() {
+                                       return 0;
+                               }
+                               @Override
+                               public int getIndex(TreeNode node) {
+                                       return 0;
+                               }
+                               @Override
+                               public TreeNode getParent() {
+                                       return null;
+                               }
+                               @Override
+                               public boolean isLeaf() {
+                                       return true;
+                               }
+                       }));
+                       tree.setSelectionModel(new DefaultTreeSelectionModel());
+                       
+               } else if (c instanceof Resettable) {
+                       
+                       ((Resettable)c).resetModel();
+                       
+               }
+       
+               // Recurse the component
+               if (c instanceof Container) {
+                       Component[] cs = ((Container)c).getComponents();
+                       for (Component sub: cs)
+                               setNullModels(sub);
+               }
+       
+       }
+       
+       
+
     
     /**
      * A mouse listener that toggles the state of a boolean value in a table model
@@ -184,5 +384,5 @@ public class GUIUtil {
                }
 
     }
-       
+    
 }