JMDIMenuBar


1   /*
2    * Copyright (C) 2005 - 2006 JasperSoft Corporation.  All rights reserved. 
3    * http://www.jaspersoft.com.
4    *
5    * Unless you have purchased a commercial license agreement from JasperSoft,
6    * the following license terms apply:
7    *
8    * This program is free software; you can redistribute it and/or modify
9    * it under the terms of the GNU General Public License version 2 as published by
10   * the Free Software Foundation.
11   *
12   * This program is distributed WITHOUT ANY WARRANTY; and without the
13   * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14   * See the GNU General Public License for more details.
15   *
16   * You should have received a copy of the GNU General Public License
17   * along with this program; if not, see http://www.gnu.org/licenses/gpl.txt
18   * or write to:
19   *
20   * Free Software Foundation, Inc.,
21   * 59 Temple Place - Suite 330,
22   * Boston, MA  USA  02111-1307
23   *
24   *
25   *
26   *
27   * JMDIMenuBar.java
28   * 
29   * Created on 5 febbraio 2003, 22.57
30   *
31   */
32  
33  package it.businesslogic.ireport.gui;
34  
35  /**
36   * Similar to a javax.swing.JMenuBar, this menu bar is able to handle close, minimize e AltMaximize buttons for
37   * JMDIFrame contained in a JMDIDesktopPane.
38   * @author  Administrator
39   */
40  public class JMDIMenuBar extends javax.swing.JMenuBar   implements java.awt.event.ComponentListener  , java.awt.event.ActionListener   {
41      
42      javax.swing.JButton   closeButton = null;
43      javax.swing.JButton   resizeButton = null;
44      javax.swing.JButton   iconifyButton = null;
45      JMDIFrame   activeFrame = null;
46      boolean isMaximized = false;
47      int closeCount=0;
48          
49      /** Creates a new instance of JMDIMenuBar */
50      public JMDIMenuBar() {
51          closeButton = new javax.swing.JButton  (javax.swing.plaf.metal.MetalIconFactory.getInternalFrameCloseIcon(16));
52          closeButton.setBorder( new javax.swing.border.EmptyBorder  ( new  java.awt.Insets  ( 0,0,0,0 ) ));
53          resizeButton = new javax.swing.JButton  (javax.swing.plaf.metal.MetalIconFactory.getInternalFrameAltMaximizeIcon(16));
54          resizeButton.setBorder( new javax.swing.border.EmptyBorder  ( new  java.awt.Insets  ( 0,0,0,0 ) ));
55          iconifyButton = new javax.swing.JButton  (javax.swing.plaf.metal.MetalIconFactory.getInternalFrameMinimizeIcon(16) );
56          iconifyButton.setBorder( new javax.swing.border.EmptyBorder  ( new  java.awt.Insets  ( 0,0,0,0 ) ));
57   
58          this.addComponentListener(this);
59      }
60         
61         public void componentHidden(java.awt.event.ComponentEvent   e) {}
62         public void componentMoved(java.awt.event.ComponentEvent   e) {}
63         public  void componentResized(java.awt.event.ComponentEvent   e) {
64         if (this.getParent()!= null && closeButton != null) closeButton.setBounds(this.getParent().getWidth()-16-2,(this.getHeight()-16)/2,16,16); 
65         if (this.getParent()!= null && closeButton != null) resizeButton.setBounds(this.getParent().getWidth()-32-6,(this.getHeight()-16)/2,16,16); 
66         if (this.getParent()!= null && closeButton != null) iconifyButton.setBounds(this.getParent().getWidth()-48-6,(this.getHeight()-16)/2,16,16); 
67      }
68      
69      public void removeFrameButtons()
70      {
71             isMaximized = false;
72             activeFrame = null;
73             closeButton.removeActionListener(this);
74             resizeButton.removeActionListener(this);
75             iconifyButton.removeActionListener(this);
76             this.remove( closeButton);
77             this.remove( resizeButton);
78             this.remove( iconifyButton);
79             //restoreButtonsPosition();
80             this.update(this.getGraphics());
81      }
82  
83      public void setMaximizedFrame(JMDIFrame jf)
84      {
85          if (jf == null)
86          {
87             removeFrameButtons();
88          }
89          else
90          {
91             
92              if (!isMaximized)
93              {
94                  resizeButton.addActionListener(this);
95                  iconifyButton.addActionListener(this);
96                  closeButton.addActionListener(this);
97                  this.add ( iconifyButton );
98                  this.add( resizeButton);
99                  this.add( closeButton);
100                 this.restoreButtonsPosition();
101                 this.update(this.getGraphics());
102             }
103             activeFrame = jf;
104             isMaximized = true;
105         }
106     }
107     
108     public JMDIFrame getMaximizedFrame()
109     {
110         return this.activeFrame;
111     }
112 
113     public void componentShown(java.awt.event.ComponentEvent   e)  {}
114 
115     /** Paints this component.
116      * <p>
117      * This method is called when the contents of the component should
118      * be painted in response to the component first being shown or
119      * damage needing repair.  The clip rectangle in the
120      * <code>Graphics</code> parameter will be set to the area
121      * which needs to be painted.
122      * Subclasses of Component that override this method need not call
123      * super.paint(g).
124      * <p>
125      * For performance reasons, Components with zero width or height
126      * aren't considered to need painting when they are first shown,
127      * and also aren't considered to need repair.
128      *
129      * @param g the graphics context to use for painting
130      * @see       #update
131      * @since     JDK1.0
132      *
133      */
134     public void paint(java.awt.Graphics   g) {
135         componentResized(null);
136         super.paint(g);
137     }
138     
139     /** Invoked when an action occurs.
140      *    This method handle the minimize,alt-maximize and close buttons
141      *    for frames maximized in JMDIDestopPane
142      */
143     public void actionPerformed(java.awt.event.ActionEvent   e) {
144         
145         this.activeFrame = MainFrame.getMainInstance().getActiveReportFrame();
146         // The simpler case...
147         closeCount++;
148         if (e. getSource() == resizeButton)
149         {
150             if (this.activeFrame != null)
151             {
152                 try {
153                    activeFrame.setMaximum( false);
154                    activeFrame.getDesktopPane().getDesktopManager().activateFrame(activeFrame);
155                 } catch (Exception   ex){}
156             }
157         }
158         // A bit more complex...
159         else if (e. getSource() == iconifyButton)
160         {
161             if (this.activeFrame != null)
162             {
163                 try {
164                    //activeFrame.setMaximum( false);
165                    activeFrame.setIcon(true);
166                 } catch (Exception   ex){}
167             }
168         }
169         // the camplex case....the user want close this form!
170         // What we have to do?
171         //
172         else if (e. getSource() == closeButton)
173         {
174             if (this.activeFrame != null)
175             {
176                 /*
177                 if (activeFrame instanceof JReportFrame)
178                 {
179                     JReportFrame jrf = (JReportFrame)activeFrame;
180                     //System.out.println( activeFrame.getTitle() );
181                     boolean saveIt = true;
182                     if (jrf.getReport().isModified() && !MainFrame.getMainInstance().getProperties().getProperty("AskToSave","true").equals("false"))
183                     {
184                         String message = "Would you like to save the report before exiting?";
185                         String caption = "Unsaved file" + (jrf.getReport().isModified()?" (Changed)": " (Unchanged)") ;
186                         int ret = javax.swing.JOptionPane.showConfirmDialog(this, message, caption, javax.swing.JOptionPane.YES_NO_CANCEL_OPTION);
187                         
188                         switch(ret)
189                         {
190                             case javax.swing.JOptionPane.YES_OPTION:
191                                 saveIt = true;
192                                 break;
193                             case javax.swing.JOptionPane.NO_OPTION:
194                                 saveIt = false;
195                                 break;
196                             default:
197                                 return;
198                         }
199                     }
200                     if (saveIt)
201                     {
202                         java.awt.event.ActionEvent ae = new java.awt.event.ActionEvent(this,0, "");
203                         MainFrame.getMainInstance().jMenuItemSaveActionPerformed(ae);
204                         if (jrf.getReport().isModified()) return;
205                     }
206                 }
207                 */
208                 try {
209                     
210                     //System.out.println(closeCount+" "+activeFrame.getTitle());
211                     //System.out.flush();
212                     
213                     javax.swing.JInternalFrame   f = activeFrame;
214                     int frames = 0;
215                     if (activeFrame != null && activeFrame.getDesktopPane() != null)
216                     {
217                        frames = activeFrame.getDesktopPane().getAllFrames().length;
218                     }
219                     f.doDefaultCloseAction();
220                     if (f.isClosed() && frames <= 1)
221                     {
222                         removeFrameButtons();
223                     }
224                     
225                     MainFrame.getMainInstance().updateMenuWindowList();
226                     //activeFrame.setMaximum( false);
227                     //activeFrame.setIcon(true);
228                 } catch (Exception   ex){
229                     ex.printStackTrace();
230                 }
231             }
232         }
233     }
234     
235     public void restoreButtonsPosition()
236     {
237         componentResized(null);
238     }
239     
240     public void closeFrame( javax.swing.JInternalFrame   frameToClose)
241     {
242          closeFrame( frameToClose, false );
243     }
244     
245     public void closeFrame( javax.swing.JInternalFrame   frameToClose, boolean force )
246     {
247         try {
248             
249         javax.swing.JInternalFrame   oldActive = this.activeFrame;
250         
251         if (oldActive == frameToClose) oldActive = null;
252         if (frameToClose != null)
253             {
254                 
255                 //if (!((JMDIFrame)frameToClose).closingFrame(force)) return;
256                 //System.out.println("Closing...!!!");
257                 try {
258                     
259                     //System.out.println(closeCount+" "+activeFrame.getTitle());
260                     //System.out.flush();
261                     int frames = frameToClose.getDesktopPane().getAllFrames().length;
262                     frameToClose.setDefaultCloseOperation(frameToClose.DISPOSE_ON_CLOSE);
263                     frameToClose.doDefaultCloseAction();
264                     
265                     if (frameToClose.isClosed() && frames <= 1)
266                     {
267                         removeFrameButtons();
268                     }
269                     
270                     //activeFrame.setMaximum( false);
271                     //activeFrame.setIcon(true);
272                 } catch (Exception   ex){
273                     ex.printStackTrace();;
274                 }
275             }
276 
277             if (oldActive != null && oldActive instanceof JReportFrame)
278             {
279                 MainFrame.getMainInstance().setActiveReportForm( (JReportFrame)oldActive );
280             }
281         } finally
282         {
283             MainFrame.getMainInstance().updateMenuWindowList();
284         }
285     }
286 }
287
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