Implementation of Collapsible interface. Provides collapsing toolbar behaviour.

May be useful for other collapsing items (if we make any).


git-svn-id: svn://10.0.0.236/trunk@17454 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/grendel/widgets/CollapsiblePanel.java

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+/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This file has been contributed to Mozilla.
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is the Grendel mail/news client.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1997
+ * Netscape Communications Corporation.  All Rights Reserved.
+ *
+ * Created: Jeff Galyan <jeffrey.galyan@sun.com>, 30 Dec 1998
+ */
+
+package grendel.widgets;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.GridBagConstraints;
+import java.awt.Insets;
+
+import javax.swing.Box;
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JPanel;
+import javax.swing.border.Border;
+import javax.swing.plaf.metal.MetalIconFactory;
+import javax.swing.ImageIcon;
+
+import grendel.ui.ToolBarLayout;
+import grendel.widgets.Animation;
+import grendel.widgets.Collapsible;
+import grendel.widgets.Spring;
+
+public class CollapsiblePanel extends JPanel implements Collapsible {
+    
+    private boolean collapsed = false;
+    private boolean collapsible = true;
+    private Component myComponents[];
+    private int componentCount;
+    private final int VERTICAL = 0;
+    private final int HORIZONTAL = 1;
+    private GridBagConstraints constraints;
+    private Box aBox;
+    int width = 10, height = 50;
+    
+
+    private ToolBarLayout layout;
+    
+    public CollapsiblePanel(boolean isDoubleBuffered) {
+	super(isDoubleBuffered);
+        
+        constraints = new GridBagConstraints();
+        constraints.ipadx = 0;
+        constraints.ipady = 0;
+       
+	layout = new ToolBarLayout();
+        layout.setInsets(new Insets(0,0,0,0));
+        layout.setIPadX(0);
+        layout.setIPadY(0);
+	setLayout(layout);
+        constraints.insets = new Insets(0,0,0,0);
+        constraints.anchor = GridBagConstraints.NORTHWEST;
+        constraints.fill = GridBagConstraints.NONE;
+        
+        CollapseButton collapseButton = new CollapseButton(VERTICAL);
+	add(collapseButton, constraints);
+        Dimension dim = collapseButton.getSize();
+        collapseButton.reshape(0,0,dim.width,dim.height);
+
+        //    constraints.insets = new Insets(5,5,5,5);
+        constraints.anchor = GridBagConstraints.WEST;
+	collapsed = false;
+        revalidate();
+    }
+
+
+    public void collapse() {
+
+	GridBagConstraints constraints = new GridBagConstraints();
+
+	Component myComponents2[] = getComponents();
+	componentCount = getComponentCount();
+	myComponents = new Component[componentCount];
+
+	for (int i = 0; i < componentCount; i++) {
+	    myComponents[i] = myComponents2[i];
+	    remove(myComponents2[i]);
+	}
+	constraints.anchor = GridBagConstraints.NORTHWEST;
+	constraints.fill = GridBagConstraints.NONE;
+
+	add(new CollapseButton(HORIZONTAL), constraints);
+	Dimension dim2 = getSize();
+	setSize(new Dimension(dim2.width, 5));
+
+	constraints.fill = GridBagConstraints.HORIZONTAL;
+	constraints.weightx = 10.0;
+	constraints.gridwidth = GridBagConstraints.REMAINDER;
+
+	add(new Spring(), constraints);
+
+	revalidate();
+	
+	collapsed = true;
+    }
+    
+    public void expand() {
+	Dimension dim = new Dimension(height, width);
+	
+	//	layout.defaultConstraints.anchor = GridBagConstraints.WEST;
+	removeAll();
+	Dimension dim2 = getSize();
+	setSize(dim2.width, 40);
+	myComponents[0] = new CollapseButton(VERTICAL);
+
+	for (int i = 0; i < componentCount; i++) {
+	    add(myComponents[i]);
+	}
+        
+	revalidate();
+	
+	collapsed = false;
+    }
+
+    public boolean isCollapsible() {
+	return collapsible;
+    }
+
+    public boolean isCollapsed() {
+	return collapsed;
+    }
+
+    class CollapseListener implements ActionListener {
+	
+	public void actionPerformed(ActionEvent evt) {
+	    if (isCollapsed() == true) {
+		expand();
+	    } else {
+		collapse();
+	    }
+	}
+    }
+
+    class CollapseButton extends JButton {
+	private ImageIcon collapseButtonIconVertical = new ImageIcon("widgets/images/collapseButton-vertical.gif", "regular collapseButton icon");
+	private ImageIcon collapseButtonVerticalRollover = new ImageIcon("widgets/images/collapseButton-vertical-rollover.gif", "vertical rollover icon");
+	private ImageIcon collapseButtonVerticalPressed = new ImageIcon("widgets/images/collapseButton-vertical-pressed.gif", "vertical pressed icon");
+	private ImageIcon collapseButtonIconHorizontal = new ImageIcon("widgets/images/collapseButton-horizontal.gif", "horizontal normal icon");
+	private ImageIcon collapseButtonHorizontalRollover = new ImageIcon("widgets/images/collapseButton-horizontal-rollover.gif", "horizontal rollover icon");
+	private ImageIcon collapseButtonHorizontalPressed = new ImageIcon("widgets/images/collapseButton-horizontal-pressed.gif", "horizontal pressed icon");
+
+	final int VERTICAL = 0;
+	final int HORIZONTAL = 1;
+
+	public CollapseButton(int orientation) {
+	    super();
+	    setRolloverEnabled(true);
+	    setFocusPainted(false);
+            setDefaultCapable(false);
+            setBorder(null);
+            setBorderPainted(false);
+	    setMargin(new Insets(0,0,0,0));
+            setToolTipText("Collapses/Expands the ToolBar");
+
+	    if (orientation == VERTICAL) {
+		setIcon(collapseButtonIconVertical);
+		setRolloverIcon(collapseButtonVerticalRollover);
+		setPressedIcon(collapseButtonVerticalPressed);
+	    } else {
+		setIcon(collapseButtonIconHorizontal);
+		setRolloverIcon(collapseButtonHorizontalRollover);
+		setPressedIcon(collapseButtonHorizontalPressed);
+	    }
+	    
+	    addActionListener(new CollapseListener());
+	}
+
+    }
+	
+}
+	
+