view/classic/ChannelsPane.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler.view.classic;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Rectangle;

import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.KeyStroke;
import javax.swing.ListCellRenderer;
import javax.swing.ListSelectionModel;

import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import net.sf.juife.ComponentList;
import net.sf.juife.ComponentListModel;
import net.sf.juife.DefaultComponentListModel;

import org.jsampler.CC;
import org.jsampler.SamplerChannelModel;

import org.jsampler.view.JSChannel;
import org.jsampler.view.JSChannelsPane;

import org.linuxsampler.lscp.SamplerChannel;

import static org.jsampler.view.classic.ClassicI18n.i18n;


/**
 *
 * @author Grigor Iliev
 */
public class ChannelsPane extends JSChannelsPane implements ListSelectionListener {
        private final ComponentList chnList = new ComponentList();
        private final DefaultComponentListModel listModel = new DefaultComponentListModel();
        
        private final JScrollPane scrollPane;
                
        /**
         * Creates a new instance of <code>ChannelsPane</code> with
         * the specified <code>title</code>.
         * @param title The title of this <code>ChannelsPane</code>
         */
        public
        ChannelsPane(String title) {
                super(title);
                
                setLayout(new BorderLayout());
                
                chnList.setOpaque(false);
                //chnList.setLayoutOrientation(JList.HORIZONTAL_WRAP);
                chnList.setModel(listModel);
                chnList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
                chnList.addListSelectionListener(this);
                chnList.addMouseListener(new ContextMenu());
                //chnList.setDragEnabled(true);
                
                scrollPane = new JScrollPane(chnList);
                scrollPane.setBorder(BorderFactory.createEmptyBorder());
                add(scrollPane);
                
                setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
                
        }
        
        /**
         * Adds new channel to this channels pane.
         * @param channelModel The sampler channel model to be used by the new channel.
         */
        public void
        addChannel(SamplerChannelModel channelModel) {
                Channel channel = new Channel(channelModel);
                listModel.add(channel);
                if(channel.getChannelInfo().getEngine() == null) channel.expandChannel();
                chnList.setSelectedComponent(channel, true);
                scrollToBottom();
        }
        
        /**
         * Adds the specified channels to this channels pane.
         * @param chns The channels to be added.
         */
        public void
        addChannels(JSChannel[] chns) {
                if(chns == null || chns.length == 0) return;
                
                for(JSChannel c : chns) listModel.add(c);
                chnList.setSelectionInterval (
                        listModel.getSize() - chns.length, listModel.getSize() - 1
                );
                
                chnList.ensureIndexIsVisible(listModel.getSize() - 1);
        }
                
        /**
         * Removes the specified channel from this channels pane.
         * This method is invoked when a sampler channel is removed in the back-end.
         * @param chn The channel to be removed from this channels pane.
         */
        public void
        removeChannel(JSChannel chn) { listModel.remove(chn); }
        
        /**
         * Gets the first channel in this channels pane.
         * @return The first channel in this channels pane or <code>null</code> if 
         * the channels pane is empty.
         */
        public JSChannel
        getFirstChannel() { return listModel.size() == 0 ? null : (JSChannel)listModel.get(0); }
        
        /**
         * Gets the last channel in this channels pane.
         * @return The last channel in this channels pane or <code>null</code> if 
         * the channels pane is empty.
         */
        public JSChannel
        getLastChannel() {
                return listModel.size() == 0 ? null : (JSChannel)listModel.get(listModel.size()-1);
        }
        
        /**
         * Gets the channel at the specified index.
         * @return The channel at the specified index.
         * @throws ArrayIndexOutOfBoundsException If the index is out of range.
         */
        public JSChannel
        getChannel(int idx) { return (JSChannel)listModel.get(idx); }
        
        /**
         * Gets an array with all channels in this channels pane.
         * @return An array with all channels in this channels pane.
         */
        public JSChannel[]
        getChannels() {
                JSChannel[] chns = new JSChannel[listModel.size()];
                for(int i = 0; i < listModel.size(); i++) chns[i] = (JSChannel)listModel.get(i);
                return chns;
        }
        
        /**
         * Gets the number of channels in this channels pane.
         * @return The number of channels in this channels pane.
         */
        public int
        getChannelCount() { return listModel.size(); }
        
        /**
         * Determines whether there is at least one selected channel.
         * @return <code>true</code> if there is at least one selected channel,
         * <code>false</code> otherwise.
         */
        public boolean
        hasSelectedChannel() { return !chnList.isSelectionEmpty(); }
        
        /**
         * Gets the number of the selected channels.
         * @return The number of the selected channels.
         */
        public int
        getSelectedChannelCount() { return chnList.getSelectedIndices().length; }
        
        /**
         * Gets an array with all selected channels.
         * The channels are sorted in increasing index order.
         * @return The selected channels or an empty array if nothing is selected.
         */
        public JSChannel[]
        getSelectedChannels() {
                Component[] cS = chnList.getSelectedComponents();
                JSChannel[] chns = new JSChannel[cS.length];
                for(int i = 0; i < cS.length; i++) chns[i] = (JSChannel)cS[i];
                return chns;
        }
        
        /**
         * Removes all selected channels in this channels pane.
         * Notice that this method does not remove any channels in the back-end.
         * It is invoked after the channels are already removed in the back-end.
         * @return The number of removed channels.
         */
        public int 
        removeSelectedChannels() {
                int[] l = chnList.getSelectedIndices();
                ComponentListModel model = chnList.getModel();
                
                for(;;) {
                        int i = chnList.getMinSelectionIndex();
                        if(i == -1) break;
                        model.remove(i);
                }
                
                return l.length;
        }
        
        /** Selects all channels. */
        public void
        selectAllChannels() { chnList.selectAll(); }
        
        /** Deselects all selected channels. */
        public void
        deselectChannels() { chnList.clearSelection(); }
        
        /**
         * Registers the specified listener for receiving list selection events.
         * @param listener The <code>ListSelectionListener</code> to register.
         */
        public void
        addListSelectionListener(ListSelectionListener listener) {
                listenerList.add(ListSelectionListener.class, listener);
        }
        
        /**
         * Removes the specified listener.
         * @param listener The <code>ListSelectionListener</code> to remove.
         */
        public void
        removeListSelectionListener(ListSelectionListener listener) {
                listenerList.remove(ListSelectionListener.class, listener);
        }
        
        /**
         * Invoked when the selection has changed.
         * This method implements <code>valueChanged</code>
         * method of the <code>ListSelectionListener</code> interface.
         * @param e A <code>ListSelectionEvent</code>
         * instance providing the event information.
         */
        public void
        valueChanged(ListSelectionEvent e) {
                ListSelectionEvent e2 = null;
                Object[] listeners = listenerList.getListenerList();
                
                for(int i = listeners.length - 2; i >= 0; i -= 2) {
                        if(listeners[i] == ListSelectionListener.class) {
                                if(e2 == null) e2 = new ListSelectionEvent (
                                        this,
                                        e.getFirstIndex(),
                                        e.getLastIndex(),
                                        e.getValueIsAdjusting()
                                );
                                ((ListSelectionListener)listeners[i + 1]).valueChanged(e2);
                        }
                }
                        
        }
        
                
        public void
        moveSelectedChannelsOnTop() {
                JSChannel[] chns = getSelectedChannels();
                        
                if(chns.length == 0) {
                        CC.getLogger().info("Can't move channel(s) at the beginning");
                        return;
                }
                
                for(int i = chns.length - 1; i >= 0; i--) {
                        listModel.remove(chns[i]);
                        listModel.insert(chns[i], 0);
                }
                
                chnList.setSelectionInterval(0, chns.length - 1);
                chnList.ensureIndexIsVisible(0);
        }
        
        public void
        moveSelectedChannelsUp() {
                JSChannel[] chns = getSelectedChannels();
                        
                if(chns.length == 0 || chns[0] == getFirstChannel()) {
                        CC.getLogger().info("Can't move channel(s) up");
                        return;
                }
                
                for(int i = 0; i < chns.length; i++) listModel.moveUp(chns[i]);
                
                int[] si = chnList.getSelectedIndices();
                
                for(int i = 0; i < si.length; i++) si[i] -= 1;
                
                chnList.setSelectedIndices(si);
                chnList.ensureIndexIsVisible(si[0]);
        }
        
        public void
        moveSelectedChannelsDown() {
                JSChannel[] chns = getSelectedChannels();
                        
                if(chns.length == 0 || chns[chns.length - 1] == getLastChannel()) {
                        CC.getLogger().info("Can't move channel(s) down");
                        return;
                }
                
                for(int i = chns.length - 1; i >= 0; i--) listModel.moveDown(chns[i]);
                
                int[] si = chnList.getSelectedIndices();
                for(int i = 0; i < si.length; i++) si[i] += 1;
                chnList.setSelectedIndices(si);
                chnList.ensureIndexIsVisible(si[si.length - 1]);
        }
        
        public void
        moveSelectedChannelsAtBottom() {
                JSChannel[] chns = getSelectedChannels();
                        
                if(chns.length == 0) {
                        CC.getLogger().info("Can't move channel(s) at the end");
                        return;
                }
                
                for(int i =  0; i < chns.length; i++) {
                        listModel.remove(chns[i]);
                        listModel.add(chns[i]);
                }
                
                chnList.setSelectionInterval (
                        listModel.getSize() - chns.length, listModel.getSize() - 1
                );
                chnList.ensureIndexIsVisible(listModel.getSize() - 1);
        }
        
        private void
        scrollToBottom() {
                int h = scrollPane.getViewport().getView().getHeight();
                scrollPane.getViewport().scrollRectToVisible(new Rectangle(0, h - 2, 1, 1));
        }
        
        class ContextMenu extends MouseAdapter {
                private final JPopupMenu cmenu = new JPopupMenu();
                private final JMenu submenu = new JMenu(i18n.getMenuLabel("channels.MoveToTab"));
                
                ContextMenu() {
                        JMenuItem mi = new JMenuItem(A4n.moveChannelsOnTop);
                        mi.setIcon(null);
                        cmenu.add(mi);
                        
                        mi = new JMenuItem(A4n.moveChannelsUp);
                        mi.setIcon(null);
                        cmenu.add(mi);
                        
                        mi = new JMenuItem(A4n.moveChannelsDown);
                        mi.setIcon(null);
                        cmenu.add(mi);
                        
                        mi = new JMenuItem(A4n.moveChannelsAtBottom);
                        mi.setIcon(null);
                        cmenu.add(mi);
                        
                        cmenu.add(submenu);
                        
                        cmenu.addSeparator();
                        
                        mi = new JMenuItem(A4n.removeChannels);
                        mi.setIcon(null);
                        cmenu.add(mi);
                }
                
                public void
                mousePressed(MouseEvent e) {
                        if(e.isPopupTrigger()) show(e);
                }
        
                public void
                mouseReleased(MouseEvent e) {
                        if(e.isPopupTrigger()) show(e);
                }
        
                void
                show(MouseEvent e) {
                        /*int idx = chnList.locationToIndex(e.getPoint());
                        if(!chnList.isSelectedIndex(idx)) chnList.setSelectedIndex(idx);
                        
                        if(idx != -1 && CC.getMainFrame().getChannelsPaneCount() > 1) {
                                updateMenu();
                                submenu.setEnabled(true);
                        } else submenu.setEnabled(false);
                        
                        cmenu.show(e.getComponent(), e.getX(), e.getY());*/
                }
                
                private void
                updateMenu() {
                        submenu.removeAll();
                        Vector<JSChannelsPane> v = CC.getMainFrame().getChannelsPaneList();
                        for(JSChannelsPane p : v) 
                                if(p != CC.getMainFrame().getSelectedChannelsPane())
                                        submenu.add(new JMenuItem(new A4n.MoveChannelsTo(p)));
                }
        }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com>
5	*
6	* This file is part of JSampler.
7	*
8	* JSampler is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License version 2
10	* as published by the Free Software Foundation.
11	*
12	* JSampler is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with JSampler; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20	* MA 02111-1307 USA
21	*/
22
23	package org.jsampler.view.classic;
24
25	import java.awt.BorderLayout;
26	import java.awt.Component;
27	import java.awt.Rectangle;
28
29	import java.awt.event.KeyEvent;
30	import java.awt.event.MouseAdapter;
31	import java.awt.event.MouseEvent;
32
33	import java.util.Vector;
34
35	import javax.swing.BorderFactory;
36	import javax.swing.JComponent;
37	import javax.swing.JMenu;
38	import javax.swing.JMenuItem;
39	import javax.swing.JPopupMenu;
40	import javax.swing.JScrollPane;
41	import javax.swing.KeyStroke;
42	import javax.swing.ListCellRenderer;
43	import javax.swing.ListSelectionModel;
44
45	import javax.swing.event.ListSelectionEvent;
46	import javax.swing.event.ListSelectionListener;
47
48	import net.sf.juife.ComponentList;
49	import net.sf.juife.ComponentListModel;
50	import net.sf.juife.DefaultComponentListModel;
51
52	import org.jsampler.CC;
53	import org.jsampler.SamplerChannelModel;
54
55	import org.jsampler.view.JSChannel;
56	import org.jsampler.view.JSChannelsPane;
57
58	import org.linuxsampler.lscp.SamplerChannel;
59
60	import static org.jsampler.view.classic.ClassicI18n.i18n;
61
62
63	/**
64	*
65	* @author Grigor Iliev
66	*/
67	public class ChannelsPane extends JSChannelsPane implements ListSelectionListener {
68	private final ComponentList chnList = new ComponentList();
69	private final DefaultComponentListModel listModel = new DefaultComponentListModel();
70
71	private final JScrollPane scrollPane;
72
73	/**
74	* Creates a new instance of <code>ChannelsPane</code> with
75	* the specified <code>title</code>.
76	* @param title The title of this <code>ChannelsPane</code>
77	*/
78	public
79	ChannelsPane(String title) {
80	super(title);
81
82	setLayout(new BorderLayout());
83
84	chnList.setOpaque(false);
85	//chnList.setLayoutOrientation(JList.HORIZONTAL_WRAP);
86	chnList.setModel(listModel);
87	chnList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
88	chnList.addListSelectionListener(this);
89	chnList.addMouseListener(new ContextMenu());
90	//chnList.setDragEnabled(true);
91
92	scrollPane = new JScrollPane(chnList);
93	scrollPane.setBorder(BorderFactory.createEmptyBorder());
94	add(scrollPane);
95
96	setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
97
98	}
99
100	/**
101	* Adds new channel to this channels pane.
102	* @param channelModel The sampler channel model to be used by the new channel.
103	*/
104	public void
105	addChannel(SamplerChannelModel channelModel) {
106	Channel channel = new Channel(channelModel);
107	listModel.add(channel);
108	if(channel.getChannelInfo().getEngine() == null) channel.expandChannel();
109	chnList.setSelectedComponent(channel, true);
110	scrollToBottom();
111	}
112
113	/**
114	* Adds the specified channels to this channels pane.
115	* @param chns The channels to be added.
116	*/
117	public void
118	addChannels(JSChannel[] chns) {
119	if(chns == null \|\| chns.length == 0) return;
120
121	for(JSChannel c : chns) listModel.add(c);
122	chnList.setSelectionInterval (
123	listModel.getSize() - chns.length, listModel.getSize() - 1
124	);
125
126	chnList.ensureIndexIsVisible(listModel.getSize() - 1);
127	}
128
129	/**
130	* Removes the specified channel from this channels pane.
131	* This method is invoked when a sampler channel is removed in the back-end.
132	* @param chn The channel to be removed from this channels pane.
133	*/
134	public void
135	removeChannel(JSChannel chn) { listModel.remove(chn); }
136
137	/**
138	* Gets the first channel in this channels pane.
139	* @return The first channel in this channels pane or <code>null</code> if
140	* the channels pane is empty.
141	*/
142	public JSChannel
143	getFirstChannel() { return listModel.size() == 0 ? null : (JSChannel)listModel.get(0); }
144
145	/**
146	* Gets the last channel in this channels pane.
147	* @return The last channel in this channels pane or <code>null</code> if
148	* the channels pane is empty.
149	*/
150	public JSChannel
151	getLastChannel() {
152	return listModel.size() == 0 ? null : (JSChannel)listModel.get(listModel.size()-1);
153	}
154
155	/**
156	* Gets the channel at the specified index.
157	* @return The channel at the specified index.
158	* @throws ArrayIndexOutOfBoundsException If the index is out of range.
159	*/
160	public JSChannel
161	getChannel(int idx) { return (JSChannel)listModel.get(idx); }
162
163	/**
164	* Gets an array with all channels in this channels pane.
165	* @return An array with all channels in this channels pane.
166	*/
167	public JSChannel[]
168	getChannels() {
169	JSChannel[] chns = new JSChannel[listModel.size()];
170	for(int i = 0; i < listModel.size(); i++) chns[i] = (JSChannel)listModel.get(i);
171	return chns;
172	}
173
174	/**
175	* Gets the number of channels in this channels pane.
176	* @return The number of channels in this channels pane.
177	*/
178	public int
179	getChannelCount() { return listModel.size(); }
180
181	/**
182	* Determines whether there is at least one selected channel.
183	* @return <code>true</code> if there is at least one selected channel,
184	* <code>false</code> otherwise.
185	*/
186	public boolean
187	hasSelectedChannel() { return !chnList.isSelectionEmpty(); }
188
189	/**
190	* Gets the number of the selected channels.
191	* @return The number of the selected channels.
192	*/
193	public int
194	getSelectedChannelCount() { return chnList.getSelectedIndices().length; }
195
196	/**
197	* Gets an array with all selected channels.
198	* The channels are sorted in increasing index order.
199	* @return The selected channels or an empty array if nothing is selected.
200	*/
201	public JSChannel[]
202	getSelectedChannels() {
203	Component[] cS = chnList.getSelectedComponents();
204	JSChannel[] chns = new JSChannel[cS.length];
205	for(int i = 0; i < cS.length; i++) chns[i] = (JSChannel)cS[i];
206	return chns;
207	}
208
209	/**
210	* Removes all selected channels in this channels pane.
211	* Notice that this method does not remove any channels in the back-end.
212	* It is invoked after the channels are already removed in the back-end.
213	* @return The number of removed channels.
214	*/
215	public int
216	removeSelectedChannels() {
217	int[] l = chnList.getSelectedIndices();
218	ComponentListModel model = chnList.getModel();
219
220	for(;;) {
221	int i = chnList.getMinSelectionIndex();
222	if(i == -1) break;
223	model.remove(i);
224	}
225
226	return l.length;
227	}
228
229	/** Selects all channels. */
230	public void
231	selectAllChannels() { chnList.selectAll(); }
232
233	/** Deselects all selected channels. */
234	public void
235	deselectChannels() { chnList.clearSelection(); }
236
237	/**
238	* Registers the specified listener for receiving list selection events.
239	* @param listener The <code>ListSelectionListener</code> to register.
240	*/
241	public void
242	addListSelectionListener(ListSelectionListener listener) {
243	listenerList.add(ListSelectionListener.class, listener);
244	}
245
246	/**
247	* Removes the specified listener.
248	* @param listener The <code>ListSelectionListener</code> to remove.
249	*/
250	public void
251	removeListSelectionListener(ListSelectionListener listener) {
252	listenerList.remove(ListSelectionListener.class, listener);
253	}
254
255	/**
256	* Invoked when the selection has changed.
257	* This method implements <code>valueChanged</code>
258	* method of the <code>ListSelectionListener</code> interface.
259	* @param e A <code>ListSelectionEvent</code>
260	* instance providing the event information.
261	*/
262	public void
263	valueChanged(ListSelectionEvent e) {
264	ListSelectionEvent e2 = null;
265	Object[] listeners = listenerList.getListenerList();
266
267	for(int i = listeners.length - 2; i >= 0; i -= 2) {
268	if(listeners[i] == ListSelectionListener.class) {
269	if(e2 == null) e2 = new ListSelectionEvent (
270	this,
271	e.getFirstIndex(),
272	e.getLastIndex(),
273	e.getValueIsAdjusting()
274	);
275	((ListSelectionListener)listeners[i + 1]).valueChanged(e2);
276	}
277	}
278
279	}
280
281
282	public void
283	moveSelectedChannelsOnTop() {
284	JSChannel[] chns = getSelectedChannels();
285
286	if(chns.length == 0) {
287	CC.getLogger().info("Can't move channel(s) at the beginning");
288	return;
289	}
290
291	for(int i = chns.length - 1; i >= 0; i--) {
292	listModel.remove(chns[i]);
293	listModel.insert(chns[i], 0);
294	}
295
296	chnList.setSelectionInterval(0, chns.length - 1);
297	chnList.ensureIndexIsVisible(0);
298	}
299
300	public void
301	moveSelectedChannelsUp() {
302	JSChannel[] chns = getSelectedChannels();
303
304	if(chns.length == 0 \|\| chns[0] == getFirstChannel()) {
305	CC.getLogger().info("Can't move channel(s) up");
306	return;
307	}
308
309	for(int i = 0; i < chns.length; i++) listModel.moveUp(chns[i]);
310
311	int[] si = chnList.getSelectedIndices();
312
313	for(int i = 0; i < si.length; i++) si[i] -= 1;
314
315	chnList.setSelectedIndices(si);
316	chnList.ensureIndexIsVisible(si[0]);
317	}
318
319	public void
320	moveSelectedChannelsDown() {
321	JSChannel[] chns = getSelectedChannels();
322
323	if(chns.length == 0 \|\| chns[chns.length - 1] == getLastChannel()) {
324	CC.getLogger().info("Can't move channel(s) down");
325	return;
326	}
327
328	for(int i = chns.length - 1; i >= 0; i--) listModel.moveDown(chns[i]);
329
330	int[] si = chnList.getSelectedIndices();
331	for(int i = 0; i < si.length; i++) si[i] += 1;
332	chnList.setSelectedIndices(si);
333	chnList.ensureIndexIsVisible(si[si.length - 1]);
334	}
335
336	public void
337	moveSelectedChannelsAtBottom() {
338	JSChannel[] chns = getSelectedChannels();
339
340	if(chns.length == 0) {
341	CC.getLogger().info("Can't move channel(s) at the end");
342	return;
343	}
344
345	for(int i = 0; i < chns.length; i++) {
346	listModel.remove(chns[i]);
347	listModel.add(chns[i]);
348	}
349
350	chnList.setSelectionInterval (
351	listModel.getSize() - chns.length, listModel.getSize() - 1
352	);
353	chnList.ensureIndexIsVisible(listModel.getSize() - 1);
354	}
355
356	private void
357	scrollToBottom() {
358	int h = scrollPane.getViewport().getView().getHeight();
359	scrollPane.getViewport().scrollRectToVisible(new Rectangle(0, h - 2, 1, 1));
360	}
361
362	class ContextMenu extends MouseAdapter {
363	private final JPopupMenu cmenu = new JPopupMenu();
364	private final JMenu submenu = new JMenu(i18n.getMenuLabel("channels.MoveToTab"));
365
366	ContextMenu() {
367	JMenuItem mi = new JMenuItem(A4n.moveChannelsOnTop);
368	mi.setIcon(null);
369	cmenu.add(mi);
370
371	mi = new JMenuItem(A4n.moveChannelsUp);
372	mi.setIcon(null);
373	cmenu.add(mi);
374
375	mi = new JMenuItem(A4n.moveChannelsDown);
376	mi.setIcon(null);
377	cmenu.add(mi);
378
379	mi = new JMenuItem(A4n.moveChannelsAtBottom);
380	mi.setIcon(null);
381	cmenu.add(mi);
382
383	cmenu.add(submenu);
384
385	cmenu.addSeparator();
386
387	mi = new JMenuItem(A4n.removeChannels);
388	mi.setIcon(null);
389	cmenu.add(mi);
390	}
391
392	public void
393	mousePressed(MouseEvent e) {
394	if(e.isPopupTrigger()) show(e);
395	}
396
397	public void
398	mouseReleased(MouseEvent e) {
399	if(e.isPopupTrigger()) show(e);
400	}
401
402	void
403	show(MouseEvent e) {
404	/*int idx = chnList.locationToIndex(e.getPoint());
405	if(!chnList.isSelectedIndex(idx)) chnList.setSelectedIndex(idx);
406
407	if(idx != -1 && CC.getMainFrame().getChannelsPaneCount() > 1) {
408	updateMenu();
409	submenu.setEnabled(true);
410	} else submenu.setEnabled(false);
411
412	cmenu.show(e.getComponent(), e.getX(), e.getY());*/
413	}
414
415	private void
416	updateMenu() {
417	submenu.removeAll();
418	Vector<JSChannelsPane> v = CC.getMainFrame().getChannelsPaneList();
419	for(JSChannelsPane p : v)
420	if(p != CC.getMainFrame().getSelectedChannelsPane())
421	submenu.add(new JMenuItem(new A4n.MoveChannelsTo(p)));
422	}
423	}
424	}