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1
19
20 package org.lucane.applications.rssreader.gui;
21
22 import java.awt.*;
23 import java.awt.event.*;
24 import java.net.ConnectException  ;
25 import java.net.MalformedURLException ;
26 import java.util.ArrayList ;
27 import java.util.Collection ;
28 import java.util.Collections ;
29 import java.util.Iterator ;
30
31 import javax.swing.*;
32 import javax.swing.event.*;
33
34 import org.jperdian.rss2.RssException;
35 import org.jperdian.rss2.dom.RssChannel;
36 import org.jperdian.rss2.dom.RssItem;
37 import org.lucane.applications.rssreader.RssReader;
38 import org.lucane.applications.rssreader.rss.ChannelInfo;
39 import org.lucane.applications.rssreader.rss.RssItemComparator;
40 import org.lucane.client.Client;
41 import org.lucane.client.Plugin;
42 import org.lucane.client.PluginManager;
43 import org.lucane.client.util.WidgetState;
44 import org.lucane.client.widgets.DialogBox;
45 import org.lucane.client.widgets.ManagedWindow;
46 import org.lucane.common.ConnectInfo;
47
48 public class MainFrame extends ManagedWindow
49 implements ListSelectionListener, ActionListener, MouseListener
50 {
51 private JButton btnRefresh;
52 private JButton btnAggregate;
53 private JButton btnAddChannel;
54 private JButton btnRemoveChannel;
55 private JButton btnHelp;
56
57 private JSplitPane split;
58 private JList channels;
59 private JList items;
60 private DefaultListModel rssChannels;
61 private DefaultListModel rssItems;
62 private JProgressBar status;
63 private RssReader plugin;
64
65 public MainFrame(RssReader plugin)
66 {
67 super(plugin, plugin.getTitle());
68 this.setName("mainFrame");
69
70 this.plugin = plugin;
71
72 this.rssChannels = new DefaultListModel();
73 this.rssItems = new DefaultListModel();
74
75 btnRefresh = new JButton(Client.getImageIcon("refresh.png"));
76 btnRefresh.setToolTipText(plugin.tr("btn.refresh"));
77 btnRefresh.addActionListener(this);
78 btnAggregate = new JButton(plugin.getImageIcon("aggregate.png"));
79 btnAggregate.setToolTipText(plugin.tr("btn.aggregate"));
80 btnAggregate.addActionListener(this);
81 btnAddChannel = new JButton(Client.getImageIcon("add.png"));
82 btnAddChannel.setToolTipText(plugin.tr("btn.addChannel"));
83 btnAddChannel.addActionListener(this);
84 btnRemoveChannel = new JButton(Client.getImageIcon("delete.png"));
85 btnRemoveChannel.setToolTipText(plugin.tr("btn.removeChannel"));
86 btnRemoveChannel.addActionListener(this);
87 btnHelp = new JButton(Client.getImageIcon("help.png"));
88 btnHelp.setToolTipText(plugin.tr("btn.help"));
89 btnHelp.addActionListener(this);
90
91 JPanel buttonPanel = new JPanel(new BorderLayout());
92 JPanel buttons = new JPanel(new GridLayout(1, 5));
93 buttons.add(btnRefresh);
94 buttons.add(btnAggregate);
95 buttons.add(btnAddChannel);
96 buttons.add(btnRemoveChannel);
97 buttons.add(btnHelp);
98 buttonPanel.add(buttons, BorderLayout.WEST);
99
100 JPanel channelPanel = new JPanel(new BorderLayout());
101 channels = new JList(rssChannels);
102 channels.addListSelectionListener(this);
103 status = new JProgressBar();
104 channelPanel.add(new JScrollPane(channels), BorderLayout.CENTER);
105 channelPanel.add(status, BorderLayout.SOUTH);
106
107 items = new JList(rssItems);
108 items.setCellRenderer(new ItemRenderer());
109 items.addMouseListener(this);
110
111
112 split = new JSplitPane();
113 split.setName("split");
114 split.setTopComponent(channelPanel);
115 split.setBottomComponent(new JScrollPane(items));
116 split.setOneTouchExpandable(true);
117 split.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
118 split.setDividerLocation(120);
119
120 getContentPane().add(buttonPanel, BorderLayout.NORTH);
121 getContentPane().add(split, BorderLayout.CENTER);
122
123 setExitPluginOnClose(true);
124 }
125
126 public void saveState()
127 {
128 WidgetState.save(plugin.getLocalConfig(), split);
129 }
130
131 public void restoreState()
132 {
133 WidgetState.restore(plugin.getLocalConfig(), split);
134 }
135
136 public void actionPerformed(ActionEvent ae)
137 {
138 if(ae.getSource().equals(btnRefresh))
139 valueChanged(null);
140 else if(ae.getSource().equals(btnAggregate))
141 showAllChannels();
142 else if(ae.getSource().equals(btnRemoveChannel))
143 {
144 ChannelInfo channel = (ChannelInfo)channels.getSelectedValue();
145 if(channel == null)
146 return;
147
148 if(DialogBox.question(plugin.getTitle(), plugin.tr("msg.removeChannel")))
149 {
150 plugin.removeChannel(channel);
151 rssItems.clear();
152 }
153 }
154 else if(ae.getSource().equals(btnAddChannel))
155 {
156 new ChannelDialog(this, plugin).show();
157 }
158 else if(ae.getSource().equals(btnHelp))
159 {
160 try {
161 Plugin help = PluginManager.getInstance().newPluginInstance(
162 "org.lucane.applications.helpbrowser", new ConnectInfo[0], true);
163 help.run();
164 help.invoke("showHelp", new Class []{Plugin.class}, new Object []{plugin});
165 help.invoke("hidePluginList", new Class [0], new Object [0]);
166 } catch (Exception ex) {
167 DialogBox.error(plugin.tr("err.unableToLoadHelp"));
168 ex.printStackTrace();
169 }
170 }
171 }
172
173 public void valueChanged(ListSelectionEvent lse)
174 {
175 ChannelInfo channel = (ChannelInfo)channels.getSelectedValue();
176 if(channel == null)
177 return;
178
179 showChannel(channel);
180 }
181
182 public void refreshChannelList()
183 {
184 rssChannels.clear();
185 Iterator i = plugin.getChannels().iterator();
186 while(i.hasNext())
187 rssChannels.addElement(i.next());
188 }
189
190 public void showChannel(final ChannelInfo channel)
191 {
192 Runnable refresh = new Runnable () {
193 public void run() {
194 try {
195 rssItems.clear();
196 status.setIndeterminate(true);
197 RssChannel rss = channel.getChannel();
198
199 Iterator i = rss.getItemList().iterator();
200 while (i.hasNext())
201 rssItems.addElement(i.next());
202 } catch (MalformedURLException mue) {
203 DialogBox.error(plugin.tr("err.wrongUrl")+ mue);
204 } catch (RssException re) {
205 if(re.getCause() != null && re.getCause() instanceof ConnectException )
207 {
208 if(DialogBox.question(plugin.tr("err.connect"), plugin.tr("msg.setupProxy")))
209 new ProxyDialog(plugin).show();
210 }
211 else
212 DialogBox.error(plugin.tr("err.rssError") + re);
213 } finally {
214 status.setIndeterminate(false);
215 }
216 }
217 };
218
219 new Thread (refresh).start();
220 }
221
222 public void showAllChannels()
223 {
224 Runnable refresh = new Runnable () {
225 public void run() {
226 try {
227 channels.setSelectedValue(null, false);
228 rssItems.clear();
229 status.setIndeterminate(true);
230
231 Iterator channels = plugin.getChannels().iterator();
232 ArrayList allItems = new ArrayList ();
233 while(channels.hasNext())
234 {
235 ChannelInfo channel = (ChannelInfo)channels.next();
236 Collection items = channel.getChannel().getItemList();
237 allItems.addAll(items);
238 }
239
240 Collections.sort(allItems, new RssItemComparator());
241
242 Iterator i = allItems.iterator();
243 while (i.hasNext())
244 rssItems.addElement(i.next());
245
246 } catch (MalformedURLException mue) {
247 DialogBox.error(plugin.tr("err.wrongUrl")+ mue);
248 } catch (RssException re) {
249 if(re.getCause() != null && re.getCause() instanceof ConnectException )
251 {
252 if(DialogBox.question(plugin.tr("err.connect"), plugin.tr("msg.setupProxy")))
253 new ProxyDialog(plugin).show();
254 }
255 else
256 DialogBox.error(plugin.tr("err.rssError") + re);
257 } finally {
258 status.setIndeterminate(false);
259 }
260 }
261 };
262 new Thread (refresh).start();
263 }
264
265 public void mousePressed(MouseEvent me) {}
266 public void mouseReleased(MouseEvent me) {}
267 public void mouseEntered(MouseEvent me) {}
268 public void mouseExited(MouseEvent me) {}
269 public void mouseClicked(MouseEvent me)
270 {
271 if(me.getButton() == MouseEvent.BUTTON1 && me.getClickCount() == 2)
272 {
273 RssItem item = (RssItem)items.getSelectedValue();
274 if(item == null)
275 return;
276
277 plugin.openUrl(item.getLink());
278 }
279 }
280 } |
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