JMessagePane


1   /*  
2       =========================================================================
3       Package ui - Implements user interface components
4   
5       This module is developed and maintained by PlanetaMessenger.org. 
6       Specs, New and updated versions can be found in 
7       http://www.planetamessenger.org
8       If you want contact the Team please send a email to Project Manager
9       Leidson Campos Alves Ferreira at leidson@planetamessenger.org
10  
11      Copyright (C) since 2001 by PlanetaMessenger.org
12  
13      This program is free software; you can redistribute it and/or modify
14      it under the terms of the GNU General Public License as published by
15      the Free Software Foundation; either version 2 of the License, or
16      (at your option) any later version.
17  
18      This program is distributed in the hope that it will be useful,
19      but WITHOUT ANY WARRANTY; without even the implied warranty of
20      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21      GNU General Public License for more details.
22  
23      You should have received a copy of the GNU General Public License
24      along with this program; if not, write to the Free Software
25      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26  
27      =========================================================================
28  */
29  /**
30   *
31   * $Id: JMessagePane.java,v 1.21 2007/01/28 17:39:20 popolony2k Exp $
32   * $Author: popolony2k $
33   * $Name:  $
34   * $Revision: 1.21 $
35   * $State: Exp $
36   *
37   */
38  
39  package org.planetamessenger.mos.ui;
40  
41  import java.util.*;
42  import org.planetamessenger.mos.engine.*;
43  import org.planetamessenger.mos.forms.JMOSSendMessageDlg;
44  
45  
46  
47  public class JMessagePane extends javax.swing.JTabbedPane   {
48    
49    HashMap<String  , JTabContent>      hTabs;
50    JMOSSendMessageDlg                parent;
51  
52    
53    /**
54     * Create and initializes the message
55     * pane.
56     * @param parent Reference to parent window;
57     */
58    public JMessagePane( JMOSSendMessageDlg parent ) {
59      
60      super( javax.swing.JTabbedPane.TOP, javax.swing.JTabbedPane.SCROLL_TAB_LAYOUT );
61      this.parent = parent;
62      hTabs       = new HashMap<String  , JTabContent>();
63      setAutoscrolls( true );
64    }
65    
66    /**
67     * Add a new tab to this pane.
68     * @param item The contact item to add;
69     */
70    public void addTab( org.planetamessenger.plugin.JContactListItem item )  {
71      
72      if( hTabs.get( item.getUserId() ) == null )  {
73        JTabContent     tabContent = new JTabContent( parent, item );
74  
75        addTab( item.getNickName() + ":" + item.getUserId(), null, tabContent );
76        addChangeListener( tabContent );
77        setSelectedIndex( this.getTabCount() - 1 );
78        hTabs.put( item.getUserId(), tabContent );
79      }
80      else  {
81        JTabContent    tabContent = ( JTabContent ) hTabs.get( item.getUserId() );
82        int            nTabIndex  = indexOfComponent( tabContent );
83  
84        this.setIconAt( nTabIndex, JSharedObjects.getResources().getIcon( JResources.MESSAGE_BLINK ) );
85      }
86    }
87  
88    /**
89     * Set the text to a tab item.
90     * @param item Item to add the text;
91     * @param strText The text to add;
92     */
93    public void setText( org.planetamessenger.plugin.JContactListItem item, String   strText )  {
94      
95      JTabContent     tabContent = ( JTabContent ) hTabs.get( item.getUserId() );
96      
97      
98      if( tabContent != null )  {
99        String        strHistory = strText;
100       
101       if( strText.compareTo( "" ) == 0 )
102         setSelectedComponent( tabContent );
103       else
104         tabContent.addHistoryText( strHistory );
105     }
106   }
107   
108   /**
109    * Check if Tab contain a specified item.
110    * @param item The item to check;
111    */
112   public boolean contains( org.planetamessenger.plugin.JContactListItem item )  {
113     
114     if( hTabs.get( ( item == null ? "" : item.getUserId() ) ) == null )
115       return false;
116     else
117       return true;
118   }
119   
120   /**
121    * Check if item is the active tab
122    * @param item The item to check;
123    */
124   public boolean isItemActive( org.planetamessenger.plugin.JContactListItem item )  {
125     
126     if( item != null )  {
127       JTabContent     tabContent = ( JTabContent ) hTabs.get( item.getUserId() );
128     
129     
130       if( tabContent != null )
131         return getSelectedComponent().equals( tabContent );
132     }
133 
134     return false;
135   }
136    
137   /**
138    * Return the active contact item.
139    */
140   public JTabContent getActiveItem()  {
141      
142     Iterator<JTabContent>    itItems = hTabs.values().iterator();
143     JTabContent              tabContent;
144      
145      
146     while( itItems.hasNext() )  {
147       tabContent = itItems.next();
148     
149       if( tabContent != null )  {
150         if( isItemActive( tabContent.ownerItem ) )
151           return tabContent;
152       }
153     }
154 
155     return null;
156   }
157   
158   /**
159    * Disable the icon message on current active tab.
160    */
161   public void disableCurrentTabMessageIcon()  {
162     
163     JTabContent tabContent = getActiveItem();
164     
165     if( tabContent != null )  {
166       int     nIndex = this.indexOfComponent( tabContent );
167 
168       setIconAt( nIndex, null );
169     }
170   }
171   
172   /**
173    * Override the removeAll method to perform
174    * correct clean at JMessagePane class object.
175    */
176   public void removeAll()  {
177    
178     super.removeAll();
179     hTabs.clear();
180   }
181 
182   /**
183    * Remove the selected Tab.
184    */
185   public void removeSelectedTab() {
186     
187     int nTabNumber = this.getSelectedIndex();
188 
189     
190     if( nTabNumber < 0 ) 
191       return;
192     
193     JTabContent       tabContent = ( JTabContent ) getComponentAt( nTabNumber );
194       
195   
196     removeChangeListener( tabContent );
197     hTabs.remove( tabContent.ownerItem.getUserId() );
198     removeTabAt( nTabNumber );
199       
200     if( getTabCount() == 0 )
201       parent.dispose();
202     else
203       if( getTabCount() == 1 )
204         this.disableCurrentTabMessageIcon();
205   }
206 
207   // JCloseTabIcon class implementation
208   /**
209    * The class which generates the 'X' icon for the tabs. The constructor
210    * accepts an icon which is extra to the 'X' icon, so you can have tabs
211    * like in NetBeans and JBuilder. This value is null if no extra icon is required.
212    * Thanks to Mr_Silly at Sun java forum groups (http://forum.java.sun.com/profile.jsp?user=157799);
213    */
214   class JCloseTabIcon implements javax.swing.Icon   {
215     
216     static  final int            CLOSE_ICON       = 0;
217     static  final int            MESSAGE_ICON     = 1;
218     private final int            CLOSE_BTN_WIDTH  = 16;
219     private final int            CLOSE_BTN_HEIGHT = 16;
220 
221     private int                  nCoordX;
222     private int                  nCoordY;
223     private int                  nWidth;
224     private int                  nHeight;
225     private int                  nIconType;
226     private javax.swing.Icon       fileIcon;
227 
228 
229     /**
230      * Constructor. Creates a JCloseTabIcon.
231      * @param fileIcon The icon to show in tab;<br>
232      * @param nIconType The icon type;<br>
233      */
234     public JCloseTabIcon( javax.swing.Icon   fileIcon, int nIconType ) {
235       
236       this.fileIcon  = fileIcon;
237       this.nIconType = nIconType;
238 
239       if( fileIcon == null )  {
240         nWidth   = CLOSE_BTN_WIDTH;
241         nHeight  = CLOSE_BTN_HEIGHT;
242       }
243       else {
244         nWidth   = fileIcon.getIconWidth();
245         nHeight  = fileIcon.getIconHeight();
246       }
247     }
248 
249     /**
250      * Override the default paintIcon method, to
251      * enable a new behaviour to this component.
252      * @param c The component that will be painted;
253      * @param g The current paint device;
254      * @x The X coordinate to paint icon;
255      * @y The Y coordinate to paint icon;
256      */
257     public void paintIcon( java.awt.Component   c, java.awt.Graphics   g, int x, int y ) {
258       
259       int            nTmpY = y + 2;
260 
261       this.nCoordX = x;
262       this.nCoordY = y;
263 
264       if( fileIcon != null ) {
265         fileIcon.paintIcon( c, g, x, nTmpY - 1 );
266       }
267       else  {
268         java.awt.Color   color = g.getColor();
269               
270         g.setColor( java.awt.Color.black );
271         g.drawLine( x + 1, nTmpY, x + 12, nTmpY );
272         g.drawLine( x + 1, nTmpY + 13, x + 12, nTmpY + 13 );
273         g.drawLine( x, nTmpY + 1, x, nTmpY + 12 );
274         g.drawLine( x + 13, nTmpY + 1, x + 13, nTmpY + 12 );
275         g.drawLine( x + 3, nTmpY + 3, x + 10, nTmpY + 10 );
276         g.drawLine( x + 3, nTmpY + 4, x + 9, nTmpY + 10 );
277         g.drawLine( x + 4, nTmpY + 3, x + 10, nTmpY + 9 );
278         g.drawLine( x + 10, nTmpY + 3, x + 3, nTmpY + 10 );
279         g.drawLine( x + 10, nTmpY + 4, x + 4, nTmpY + 10 );
280         g.drawLine( x + 9, nTmpY + 3, x + 3, nTmpY + 9 );
281         g.setColor( color );
282       }
283     }
284 
285     /**
286      * Override the default getIconWidth method.
287      * Return the icon width;
288      */
289     public int getIconWidth() {
290 
291       return nWidth;
292     }
293 
294     /**
295      * Override the default getIconHeight method.
296      * Return the icon height;
297      */
298     public int getIconHeight() {
299       
300       return nHeight;
301     }
302     
303     /**
304      * Get the icon type.
305      */
306     public int getIconType()  {
307 
308       return nIconType;
309     }
310 
311     /**
312      * Override the default getBounds method.
313      * Return the boundary of component;
314      */
315     public java.awt.Rectangle   getBounds() {
316       
317       return new java.awt.Rectangle  ( nCoordX, nCoordY, nWidth, nHeight );
318     }
319   } 
320   // JCloseTabIcon class
321 }
322 // JMessagePane class
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