CalendarList


1   /**
2    * Copyright (C) 2003-2005 Funambol
3    *
4    * This program is free software; you can redistribute it and/or modify
5    * it under the terms of the GNU General Public License as published by
6    * the Free Software Foundation; either version 2 of the License, or
7    * (at your option) any later version.
8    *
9    * This program is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   * GNU General Public License for more details.
13   *
14   * You should have received a copy of the GNU General Public License
15   * along with this program; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
17   */
18  
19  package sync4j.syncclient.demo;
20  
21  import java.awt.BorderLayout  ;
22  import java.awt.Button  ;
23  import java.awt.GridLayout  ;
24  import java.awt.Label  ;
25  import java.awt.List  ;
26  import java.awt.Panel  ;
27  import java.awt.event.ActionEvent  ;
28  import java.awt.event.ActionListener  ;
29  import java.awt.event.ItemEvent  ;
30  import java.awt.event.ItemListener  ;
31  import java.awt.event.MouseEvent  ;
32  import java.awt.event.MouseListener  ;
33  
34  import sync4j.foundation.pdi.common.*;
35  
36  /**
37   * The calendar list panel.
38   *
39   * @author Fabio Maggi       @ Funambol
40   * @author Marco Magistrali  @ Funambol
41   */
42  public class CalendarList
43  extends Panel  
44  implements ActionListener  ,
45             ItemListener  ,
46             MouseListener  ,
47             ConfigurationParameters {
48  
49      //---------------------------------------------------------- Constants
50  
51      //
52      // Approximate width of the vertical
53      //  scrollbar for the List component
54      //
55      private static final int LIST_SCROLLBAR_WIDTH = 25;
56  
57      //---------------------------------------------------------- Private data
58  
59      //
60      // The window containing this panel
61      //
62      private MainWindow mw        = null           ;
63      private List         list      = null           ;
64      private Button       butModify = null           ;
65      private Button       butDelete = null           ;
66      private Button       butNew    = null           ;
67  
68      private Language   ln        = new Language() ;
69  
70      //---------------------------------------------------------- Public methods
71  
72      /**
73       * Creates the panel.
74       *
75       * @param mw the window containing this panel
76       */
77      public CalendarList(MainWindow mw) {
78  
79          Label     title            = null ;
80          Button    butSync          = null ;
81  
82          Panel     editButtonPanel  = null ;
83          Panel     buttonPanel      = null ;
84  
85          this.mw = mw;
86  
87          setLayout(new BorderLayout  ());
88          title = new Label  (ln.getString("calendar_list"));
89          list  = new List   (10              );
90          list.addItemListener  (this ) ;
91          list.addMouseListener (this ) ;
92  
93          butNew = new Button           (ln.getString ("new")    ) ;
94          butNew.setActionCommand     ("new"                   ) ;
95          butNew.addActionListener    (this                    ) ;
96  
97          butModify = new Button        (ln.getString ("modify") ) ;
98          butModify.setActionCommand  ("modify"                ) ;
99          butModify.addActionListener (this                    ) ;
100         butModify.setEnabled        (false                   ) ;
101 
102         butDelete = new Button        (ln.getString ("delete") ) ;
103         butDelete.setActionCommand  ("delete"                ) ;
104         butDelete.addActionListener (this                    ) ;
105         butDelete.setEnabled        (false                   ) ;
106 
107         butSync = new Button  (ln.getString ("synchronize")    );
108         butSync.setActionCommand  ("sync"                    ) ;
109         butSync.addActionListener (this                      ) ;
110 
111         editButtonPanel = new Panel  ();
112         editButtonPanel.setLayout(new GridLayout  (1,3));
113         editButtonPanel.add (butNew    ) ;
114         editButtonPanel.add (butModify ) ;
115         editButtonPanel.add (butDelete ) ;
116 
117         buttonPanel = new Panel  ();
118         buttonPanel.setLayout(new GridLayout  (2,1));
119         buttonPanel.add (editButtonPanel ) ;
120         buttonPanel.add (butSync         ) ;
121 
122         add(title       , BorderLayout.NORTH  ) ;
123         add(list        , BorderLayout.CENTER ) ;
124         add(buttonPanel , BorderLayout.SOUTH  ) ;
125     }
126 
127     /**
128      * Invoked when an action occurs (i.e. a button is pressed).
129      *
130      * @param evt the occurred action
131      */
132     public void actionPerformed(ActionEvent   evt) {
133 
134         if (evt.getActionCommand().equals("sync")          ) {
135             mw.show(KEY_SYNC);
136         } else if (evt.getActionCommand().equals("modify") ) {
137             mw.show(KEY_CALENDARMODIFY);
138         } else if (evt.getActionCommand().equals("delete") ) {
139             mw.deleteCalendar();
140         } else if (evt.getActionCommand().equals("new")    ) {
141             mw.show(KEY_CALENDARNEW);
142         }
143     }
144 
145     /**
146      * Invoked when an item has been selected or deselected by the user.
147      * This method sets the current index to the index of
148      * the selected idem and
149      * enables the Modify and Delete buttons.
150      *
151      * @param evt the occurred event
152      */
153     public void itemStateChanged(ItemEvent   evt) {
154         mw.setCurrentIndex((Integer  ) evt.getItem());
155         butModify.setEnabled(true);
156         butDelete.setEnabled(true);
157     }
158 
159     /**
160      * Invoked when the mouse button has been clicked
161      * (pressed and released) on a component.
162      * This method opens the modification page
163      * for the selected calendar if a double
164      * click is detected.
165      *
166      * @param evt the occurred event
167      */
168     public void mouseClicked(MouseEvent   evt) {
169         if (evt.getClickCount()>=2) {
170             if (butModify.isEnabled() &&
171                 evt.getX()<=(getSize().width - LIST_SCROLLBAR_WIDTH) &&
172                 evt.getY() <= (mw.calendars.size() * list.getPreferredSize().height / 10)) {
173                 mw.show(KEY_CALENDARMODIFY);
174             }
175         }
176     }
177 
178     /**
179      * Invoked when a mouse button has been pressed on a component.
180      * Not used.
181      *
182      * @param evt the occurred event
183      */
184     public void mousePressed(MouseEvent   evt) {
185         // do nothing
186     }
187 
188     /**
189      * Invoked when a mouse button has been released on a component.
190      * Not used.
191      *
192      * @param evt the occurred event
193      */
194     public void mouseReleased(MouseEvent   evt) {
195         // do nothing
196     }
197 
198     /**
199      * Invoked when the mouse enters a component.
200      * Not used.
201      *
202      * @param evt the occurred event
203      */
204     public void mouseEntered(MouseEvent   evt) {
205         // do nothing
206     }
207 
208     /**
209      * Invoked when the mouse exits a component.
210      * Not used.
211      *
212      * @param evt the occurred event
213      */
214     public void mouseExited(MouseEvent   evt) {
215         // do nothing
216     }
217 
218     //---------------------------------------------------------- Protected methods
219 
220     /**
221      * Fills the list with the loaded calendars.
222      * This method also disables the Modify and Delete buttons.
223      */
224     protected void fillList() {
225         list.removeAll();
226 
227         String         tmpDisplayName    = null ;
228         String         tmpDescription    = null ;
229         DemoCalendar tmpCalendar       = null ;
230 
231         for (int i=0, l = mw.calendars.size(); i < l; i++) {
232             tmpCalendar = (DemoCalendar) mw.calendars.elementAt(i);
233             tmpDisplayName = (String  ) tmpCalendar.getCalendar().
234                     getEvent().getSummary().getPropertyValue();
235 
236             tmpDescription = (String  ) tmpCalendar.getCalendar().
237                     getEvent().getDescription().getPropertyValue();
238 
239             if (tmpDisplayName  != null && !tmpDisplayName.equals ("")) {
240                 list.add(tmpDisplayName);
241             } else if (tmpDescription != null && !tmpDescription.equals  ("")) {
242                 list.add(tmpDescription);
243             } else {
244 
245                 tmpDisplayName = "Unknow";
246                 list.add(tmpDisplayName);
247             }
248         }
249 
250         //
251         // Disable buttons: no item can be already selected
252         //
253         butModify.setEnabled(false);
254         butDelete.setEnabled(false);
255     }
256 
257     //---------------------------------------------------------- Private methods
258 
259 }
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