jsampler/view/JSMainFrame.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2008 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;

import java.awt.Dialog;
import java.awt.Frame;

import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import java.util.Vector;
import java.util.logging.Level;

import javax.swing.AbstractAction;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.KeyStroke;

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

import org.jsampler.CC;
import org.jsampler.JSampler;
import org.jsampler.SamplerChannelModel;
import org.jsampler.Server;

import org.jsampler.event.SamplerChannelListEvent;
import org.jsampler.event.SamplerChannelListListener;

import org.jsampler.view.SessionViewConfig.ChannelConfig;


/**
 * Defines the skeleton of a JSampler's main frame.
 * @author Grigor Iliev
 */
public abstract class JSMainFrame extends JFrame {
        private final Vector<JSChannelsPane> chnPaneList = new Vector<JSChannelsPane>();
        private boolean autoUpdateChannelListUI = true;
        
        /** Creates a new instance of <code>JSMainFrame</code>. */
        public
        JSMainFrame() {
                super(JSampler.NAME + ' ' + JSampler.VERSION);
                
                setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
                addWindowListener(new WindowAdapter() {
                        public void
                        windowClosing(WindowEvent we) { onWindowClose(); }
                });
                
                CC.getSamplerModel().addSamplerChannelListListener(new EventHandler());
                
                getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put (
                        KeyStroke.getKeyStroke(KeyEvent.VK_G, KeyEvent.CTRL_MASK | KeyEvent.SHIFT_MASK),
                        "RunGarbageCollector"
                );
                
                getRootPane().getActionMap().put ("RunGarbageCollector", new AbstractAction() {
                        public void
                        actionPerformed(ActionEvent e) {
                                System.gc();
                        }
                });
        }
        
        /**
         * Invoked when this window is about to close.
         * Don't forget to call <code>super.onWindowClose()</code> at the end,
         * when override this method.
         */
        protected void
        onWindowClose() {
                CC.cleanExit();
        }
        
        /**
         * Invoked on startup when no JSampler home directory is specified
         * or the specified JSampler home directory doesn't exist.
         * This method should ask the user to specify a JSampler
         * home directory and then set the specified JSampler home directory using
         * {@link org.jsampler.CC#setJSamplerHome} method.
         * @see org.jsampler.CC#getJSamplerHome
         * @see org.jsampler.CC#setJSamplerHome
         */
        public abstract void installJSamplerHome();
        
        /**
         * Shows a detailed error information about the specified exception.
         */
        public abstract void showDetailedErrorMessage(Frame owner, String err, String details);
        
        /**
         * Shows a detailed error information about the specified exception.
         */
        public abstract void showDetailedErrorMessage(Dialog owner, String err, String details);
        
        protected Vector<ListSelectionListener> channelsPaneListeners = 
                new Vector<ListSelectionListener>();
        
        /**
         * Registers the specified listener for receiving event messages.
         * @param l The <code>ListSelectionListener</code> to register.
         */
        public void
        addChannelsPaneSelectionListener(ListSelectionListener l) {
                channelsPaneListeners.add(l);
        }
        
        /**
         * Removes the specified listener.
         * @param l The <code>ListSelectionListener</code> to remove.
         */
        public void
        removeChannelsPaneSelectionListener(ListSelectionListener l) {
                channelsPaneListeners.remove(l);
        }
        
        protected void
        fireChannelsPaneSelectionChanged() {
                int i = getChannelsPaneIndex(getSelectedChannelsPane());
                ListSelectionEvent e = new ListSelectionEvent(this, i, i, false);
                for(ListSelectionListener l : channelsPaneListeners) l.valueChanged(e);
        }
        
        /**
         * Returns a list containing all <code>JSChannelsPane</code>s added to the view.
         * @return A list containing all <code>JSChannelsPane</code>s added to the view.
         * @see #addChannelsPane
         * @see #removeChannelsPane
         */
        public Vector<JSChannelsPane>
        getChannelsPaneList() { return chnPaneList; }
        
        /**
         * Return the <code>JSChannelsPane</code> at the specified position.
         * @param idx The position of the <code>JSChannelsPane</code> to be returned.
         * @return The <code>JSChannelsPane</code> at the specified position.
         */
        public JSChannelsPane
        getChannelsPane(int idx) { return chnPaneList.get(idx); }
        
        /**
         * Adds the specified <code>JSChannelsPane</code> to the view.
         * @param chnPane The <code>JSChannelsPane</code> to be added.
         */
        public void
        addChannelsPane(JSChannelsPane chnPane) { chnPaneList.add(chnPane); }
        
        /**
         * Removes the specified <code>JSChannelsPane</code> from the view.
         * Override this method to remove <code>chnPane</code> from the view,
         * and don't forget to call <code>super.removeChannelsPane(chnPane);</code>.
         * @param chnPane The <code>JSChannelsPane</code> to be removed.
         * @return <code>true</code> if the specified code>JSChannelsPane</code>
         * is actually removed from the view, <code>false</code> otherwise.
         */
        public boolean
        removeChannelsPane(JSChannelsPane chnPane) { return chnPaneList.remove(chnPane); }
        
        /**
         * Gets the current number of <code>JSChannelsPane</code>s added to the view.
         * @return The current number of <code>JSChannelsPane</code>s added to the view.
         */
        public int
        getChannelsPaneCount() { return chnPaneList.size(); }
        
        /**
         * Returns the index of the specified channels pane, or -1 if
         * the specified channels pane is not found.
         */
        public int
        getChannelsPaneIndex(JSChannelsPane chnPane) {
                return chnPaneList.indexOf(chnPane);
        }
        
        /**
         * Inserts the specified <code>JSChannelsPane</code> at the specified position
         * in the view and in the code>JSChannelsPane</code> list.
         * Where and how this pane will be shown depends on the view/GUI implementation.
         * Note that some GUI implementation may have only one pane containing sampler channels.
         * @param pane The <code>JSChannelsPane</code> to be inserted.
         * @param idx Specifies the position of the <code>JSChannelsPane</code>.
         * @see #getChannelsPaneList
         */
        public abstract void insertChannelsPane(JSChannelsPane pane, int idx);
        
        /**
         * Gets the <code>JSChannelsPane</code> that is currently shown,
         * or has the focus if more than one channels' panes are shown.
         * If the GUI implementation has only one pane containing sampler channels,
         * than this method should always return that pane (the <code>JSChannelsPane</code>
         * with index 0).
         * @return The selected <code>JSChannelsPane</code>.
         */
        public abstract JSChannelsPane getSelectedChannelsPane();
        
        /**
         * Gets the server address to which to connect. If the server should be
         * manually selected, a dialog asking the user to choose a server is displayed.
         */
        public abstract Server getServer();
        
        /**
         * Gets the server address to which to connect. If the server should be
         * manually selected, a dialog asking the user to choose a server is displayed.
         * @param manualSelect Determines whether the server should be manually selected.
         */
        public abstract Server getServer(boolean manualSelect);
        
        /**
         * Sets the <code>JSChannelsPane</code> to be selected.
         * Note that all registered listeners should be notified
         * when the selection is changed.
         * @param pane The <code>JSChannelsPane</code> to be shown.
         * @see #fireChannelsPaneSelectionChanged
         */
        public abstract void setSelectedChannelsPane(JSChannelsPane pane);
        
        private class EventHandler implements SamplerChannelListListener {
                /**
                 * Invoked when a new sampler channel is created.
                 * @param e A <code>SamplerChannelListEvent</code>
                 * instance providing the event information.
                 */
                @Override
                public void
                channelAdded(SamplerChannelListEvent e) {
                        if(e.getChannelModel() == null) return;
                        Integer id = e.getChannelModel().getChannelId();
                        if(findChannel(id) != null) {
                                CC.getLogger().log(Level.WARNING, "JSMainFrame.channelExist!", id);
                                return;
                        }
                        
                        ChannelConfig config = null;
                        JSViewConfig viewConfig = CC.getViewConfig();
                        if(viewConfig != null && viewConfig.getSessionViewConfig() != null) {
                                config = viewConfig.getSessionViewConfig().pollChannelConfig();
                        }
                        
                        if(config == null) {
                                getSelectedChannelsPane().addChannel(e.getChannelModel());
                        } else {
                                int i = config.channelsPanel;
                                if(i >= 0 && i < getChannelsPaneCount()) {
                                        getChannelsPane(i).addChannel(e.getChannelModel(), config);
                                } else {
                                        getSelectedChannelsPane().addChannel(e.getChannelModel(), config);
                                }
                        }
                }
        
                /**
                 * Invoked when a sampler channel is removed.
                 * @param e A <code>SamplerChannelListEvent</code>
                 * instance providing the event information.
                 */
                @Override
                public void
                channelRemoved(SamplerChannelListEvent e) {
                        removeChannel(e.getChannelModel().getChannelId());
                }
        }
        
        /**
         * Searches for the first occurence of a channel with numerical ID <code>id</code>.
         * @return The first occurence of a channel with numerical ID <code>id</code> or
         * <code>null</code> if there is no channel with numerical ID <code>id</code>.
         */
        public JSChannel
        findChannel(int id) {
                if(id < 0) return null;
                
                for(JSChannelsPane cp : getChannelsPaneList()) {
                        for(JSChannel c : cp.getChannels()) if(c.getChannelId() == id) return c;
                }
                
                return null;
        }
        
        /**
         * Removes the first occurence of a channel with numerical ID <code>id</code>.
         * This method is invoked when a sampler channel is removed in the back-end.
         * @return The removed channel or <code>null</code>
         * if there is no channel with numerical ID <code>id</code>.
         */
        public JSChannel
        removeChannel(int id) {
                if(id < 0) return null;
                
                for(JSChannelsPane cp : getChannelsPaneList()) {
                        for(JSChannel c : cp.getChannels()) {
                                if(c.getChannelId() == id) {
                                        cp.removeChannel(c);
                                        return c;
                                }
                        }
                }
                
                return null;
        }
        
        /**
         * Gets the zero-based position of the specified sampler channel
         * in the channels pane, to which the channel is added.
         * Note that the position may change when adding/removing sampler channels.
         * @return The zero-based position of the specified sampler channel
         * in the channels pane, or -1 if the specified channels is not found.
         */
        public int
        getChannelNumber(SamplerChannelModel channel) {
                if(channel == null) return -1;
                
                for(int i = 0; i < getChannelsPaneCount(); i++) {
                        JSChannelsPane chnPane = getChannelsPane(i);
                        for(int j = 0; j < chnPane.getChannelCount(); j++) {
                                if(chnPane.getChannel(j).getChannelId() == channel.getChannelId()) {
                                        return j;
                                }
                        }
                }
                
                return -1;
        }
        
        /**
         * Returns a string in the format <code>channelPaneNumber/channelNumber</code>,
         * where <code>channelPaneNumber</code> is the one-based number of the channels
         * pane containing the specified channel and <code>channelNumber</code> is the
         * one-based number of the channel's position in the channels pane.
         * Note that this path may change when adding/removing channels/channels panes.
         * @return The channels path, or <code>null</code> if the specified channels is not found.
         */
        public String
        getChannelPath(SamplerChannelModel channel) {
                if(channel == null) return null;
                
                for(int i = 0; i < getChannelsPaneCount(); i++) {
                        JSChannelsPane chnPane = getChannelsPane(i);
                        for(int j = 0; j < chnPane.getChannelCount(); j++) {
                                if(chnPane.getChannel(j).getChannelId() == channel.getChannelId()) {
                                        return (i + 1) + "." + (j + 1);
                                }
                        }
                }
                
                return null;
        }
        
        /**
         * Gets the zero-based number of the channels pane,
         * to which the specified sampler channel is added.
         * Note that the can be moved from one channels pane to another.
         * @return The zero-based index of the channels pane,
         * to which the specified sampler channel is added, or
         * -1 if the specified channels is not found.
         */
        public int
        getChannelsPaneNumber(SamplerChannelModel channel) {
                if(channel == null) return -1;
                
                for(int i = 0; i < getChannelsPaneCount(); i++) {
                        JSChannelsPane chnPane = getChannelsPane(i);
                        for(int j = 0; j < chnPane.getChannelCount(); j++) {
                                if(chnPane.getChannel(j).getChannelId() == channel.getChannelId()) {
                                        return i;
                                }
                        }
                }
                
                return -1;
        }
        
        /**
         * Sends the specified script to the backend.
         * @param script The file name of the script to run.
         */
        public abstract void runScript(String script);
        
        /**
         * Determines whether the channel list UI should be automatically updated
         * when channel is added/removed. The default value is <code>true</code>.
         */
        public boolean
        getAutoUpdateChannelListUI() { return autoUpdateChannelListUI; }
        
        /**
         * Determines whether the channel list UI should be automatically updated
         * when channel is added/removed.
         */
        public void
        setAutoUpdateChannelListUI(boolean b) {
                if(b == autoUpdateChannelListUI) return;
                
                autoUpdateChannelListUI = b;
                for(JSChannelsPane cp : getChannelsPaneList()) {
                        cp.setAutoUpdate(b);
                }
        }
        
        /**
         * Updates the channel list UI.
         */
        public void
        updateChannelListUI() {
                for(JSChannelsPane cp : getChannelsPaneList()) {
                        cp.updateChannelListUI();
                }
        }
}
1	iliev	787	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4	iliev	1785	* Copyright (C) 2005-2008 Grigor Iliev <grigor@grigoriliev.com>
5	iliev	787	*
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;
24
25	iliev	1204	import java.awt.Dialog;
26			import java.awt.Frame;
27	iliev	842
28	iliev	1734	import java.awt.event.ActionEvent;
29			import java.awt.event.KeyEvent;
30	iliev	787	import java.awt.event.WindowAdapter;
31			import java.awt.event.WindowEvent;
32
33			import java.util.Vector;
34			import java.util.logging.Level;
35
36	iliev	1734	import javax.swing.AbstractAction;
37			import javax.swing.JComponent;
38	iliev	787	import javax.swing.JFrame;
39	iliev	1734	import javax.swing.KeyStroke;
40	iliev	787
41	iliev	1785	import javax.swing.event.ListSelectionEvent;
42			import javax.swing.event.ListSelectionListener;
43	iliev	1818
44	iliev	787	import org.jsampler.CC;
45			import org.jsampler.JSampler;
46	iliev	1785	import org.jsampler.SamplerChannelModel;
47	iliev	1688	import org.jsampler.Server;
48	iliev	787
49			import org.jsampler.event.SamplerChannelListEvent;
50			import org.jsampler.event.SamplerChannelListListener;
51
52	iliev	1818	import org.jsampler.view.SessionViewConfig.ChannelConfig;
53	iliev	1204
54	iliev	1818
55	iliev	787	/**
56	iliev	911	* Defines the skeleton of a JSampler's main frame.
57	iliev	787	* @author Grigor Iliev
58			*/
59			public abstract class JSMainFrame extends JFrame {
60			private final Vector<JSChannelsPane> chnPaneList = new Vector<JSChannelsPane>();
61	iliev	1734	private boolean autoUpdateChannelListUI = true;
62	iliev	787
63	iliev	911	/** Creates a new instance of <code>JSMainFrame</code>. */
64	iliev	787	public
65			JSMainFrame() {
66			super(JSampler.NAME + ' ' + JSampler.VERSION);
67
68			setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
69			addWindowListener(new WindowAdapter() {
70			public void
71	iliev	842	windowClosing(WindowEvent we) { onWindowClose(); }
72	iliev	787	});
73
74			CC.getSamplerModel().addSamplerChannelListListener(new EventHandler());
75	iliev	1734
76			getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put (
77			KeyStroke.getKeyStroke(KeyEvent.VK_G, KeyEvent.CTRL_MASK \| KeyEvent.SHIFT_MASK),
78			"RunGarbageCollector"
79			);
80
81			getRootPane().getActionMap().put ("RunGarbageCollector", new AbstractAction() {
82			public void
83			actionPerformed(ActionEvent e) {
84			System.gc();
85			}
86			});
87	iliev	787	}
88
89	iliev	911	/**
90			* Invoked when this window is about to close.
91			* Don't forget to call <code>super.onWindowClose()</code> at the end,
92			* when override this method.
93			*/
94			protected void
95	iliev	842	onWindowClose() {
96			CC.cleanExit();
97			}
98
99	iliev	911	/**
100	iliev	1143	* Invoked on startup when no JSampler home directory is specified
101			* or the specified JSampler home directory doesn't exist.
102			* This method should ask the user to specify a JSampler
103			* home directory and then set the specified JSampler home directory using
104			* {@link org.jsampler.CC#setJSamplerHome} method.
105			* @see org.jsampler.CC#getJSamplerHome
106			* @see org.jsampler.CC#setJSamplerHome
107			*/
108			public abstract void installJSamplerHome();
109
110			/**
111	iliev	1204	* Shows a detailed error information about the specified exception.
112			*/
113			public abstract void showDetailedErrorMessage(Frame owner, String err, String details);
114
115			/**
116			* Shows a detailed error information about the specified exception.
117			*/
118			public abstract void showDetailedErrorMessage(Dialog owner, String err, String details);
119
120	iliev	1785	protected Vector<ListSelectionListener> channelsPaneListeners =
121			new Vector<ListSelectionListener>();
122
123	iliev	1204	/**
124	iliev	1785	* Registers the specified listener for receiving event messages.
125			* @param l The <code>ListSelectionListener</code> to register.
126			*/
127			public void
128			addChannelsPaneSelectionListener(ListSelectionListener l) {
129			channelsPaneListeners.add(l);
130			}
131
132			/**
133			* Removes the specified listener.
134			* @param l The <code>ListSelectionListener</code> to remove.
135			*/
136			public void
137			removeChannelsPaneSelectionListener(ListSelectionListener l) {
138			channelsPaneListeners.remove(l);
139			}
140
141			protected void
142			fireChannelsPaneSelectionChanged() {
143			int i = getChannelsPaneIndex(getSelectedChannelsPane());
144			ListSelectionEvent e = new ListSelectionEvent(this, i, i, false);
145			for(ListSelectionListener l : channelsPaneListeners) l.valueChanged(e);
146			}
147
148			/**
149	iliev	911	* Returns a list containing all <code>JSChannelsPane</code>s added to the view.
150			* @return A list containing all <code>JSChannelsPane</code>s added to the view.
151			* @see #addChannelsPane
152			* @see #removeChannelsPane
153			*/
154	iliev	787	public Vector<JSChannelsPane>
155			getChannelsPaneList() { return chnPaneList; }
156
157	iliev	911	/**
158			* Return the <code>JSChannelsPane</code> at the specified position.
159			* @param idx The position of the <code>JSChannelsPane</code> to be returned.
160			* @return The <code>JSChannelsPane</code> at the specified position.
161			*/
162	iliev	787	public JSChannelsPane
163			getChannelsPane(int idx) { return chnPaneList.get(idx); }
164
165	iliev	911	/**
166			* Adds the specified <code>JSChannelsPane</code> to the view.
167			* @param chnPane The <code>JSChannelsPane</code> to be added.
168			*/
169	iliev	787	public void
170			addChannelsPane(JSChannelsPane chnPane) { chnPaneList.add(chnPane); }
171
172	iliev	911	/**
173			* Removes the specified <code>JSChannelsPane</code> from the view.
174			* Override this method to remove <code>chnPane</code> from the view,
175			* and don't forget to call <code>super.removeChannelsPane(chnPane);</code>.
176			* @param chnPane The <code>JSChannelsPane</code> to be removed.
177			* @return <code>true</code> if the specified code>JSChannelsPane</code>
178			* is actually removed from the view, <code>false</code> otherwise.
179			*/
180	iliev	787	public boolean
181			removeChannelsPane(JSChannelsPane chnPane) { return chnPaneList.remove(chnPane); }
182
183	iliev	911	/**
184			* Gets the current number of <code>JSChannelsPane</code>s added to the view.
185			* @return The current number of <code>JSChannelsPane</code>s added to the view.
186			*/
187	iliev	787	public int
188			getChannelsPaneCount() { return chnPaneList.size(); }
189
190	iliev	911	/**
191	iliev	1785	* Returns the index of the specified channels pane, or -1 if
192			* the specified channels pane is not found.
193			*/
194			public int
195			getChannelsPaneIndex(JSChannelsPane chnPane) {
196			return chnPaneList.indexOf(chnPane);
197			}
198
199			/**
200	iliev	911	* Inserts the specified <code>JSChannelsPane</code> at the specified position
201			* in the view and in the code>JSChannelsPane</code> list.
202			* Where and how this pane will be shown depends on the view/GUI implementation.
203			* Note that some GUI implementation may have only one pane containing sampler channels.
204			* @param pane The <code>JSChannelsPane</code> to be inserted.
205			* @param idx Specifies the position of the <code>JSChannelsPane</code>.
206			* @see #getChannelsPaneList
207			*/
208	iliev	787	public abstract void insertChannelsPane(JSChannelsPane pane, int idx);
209	iliev	911
210			/**
211			* Gets the <code>JSChannelsPane</code> that is currently shown,
212			* or has the focus if more than one channels' panes are shown.
213			* If the GUI implementation has only one pane containing sampler channels,
214			* than this method should always return that pane (the <code>JSChannelsPane</code>
215			* with index 0).
216			* @return The selected <code>JSChannelsPane</code>.
217			*/
218	iliev	787	public abstract JSChannelsPane getSelectedChannelsPane();
219	iliev	911
220			/**
221	iliev	1688	* Gets the server address to which to connect. If the server should be
222			* manually selected, a dialog asking the user to choose a server is displayed.
223			*/
224			public abstract Server getServer();
225
226			/**
227			* Gets the server address to which to connect. If the server should be
228			* manually selected, a dialog asking the user to choose a server is displayed.
229			* @param manualSelect Determines whether the server should be manually selected.
230			*/
231			public abstract Server getServer(boolean manualSelect);
232
233			/**
234	iliev	911	* Sets the <code>JSChannelsPane</code> to be selected.
235	iliev	1785	* Note that all registered listeners should be notified
236			* when the selection is changed.
237	iliev	911	* @param pane The <code>JSChannelsPane</code> to be shown.
238	iliev	1785	* @see #fireChannelsPaneSelectionChanged
239	iliev	911	*/
240	iliev	787	public abstract void setSelectedChannelsPane(JSChannelsPane pane);
241
242			private class EventHandler implements SamplerChannelListListener {
243			/**
244			* Invoked when a new sampler channel is created.
245			* @param e A <code>SamplerChannelListEvent</code>
246			* instance providing the event information.
247			*/
248	iliev	1785	@Override
249	iliev	787	public void
250			channelAdded(SamplerChannelListEvent e) {
251	iliev	1737	if(e.getChannelModel() == null) return;
252	iliev	1143	Integer id = e.getChannelModel().getChannelId();
253	iliev	787	if(findChannel(id) != null) {
254			CC.getLogger().log(Level.WARNING, "JSMainFrame.channelExist!", id);
255			return;
256			}
257
258	iliev	1818	ChannelConfig config = null;
259			JSViewConfig viewConfig = CC.getViewConfig();
260			if(viewConfig != null && viewConfig.getSessionViewConfig() != null) {
261			config = viewConfig.getSessionViewConfig().pollChannelConfig();
262			}
263
264			if(config == null) {
265			getSelectedChannelsPane().addChannel(e.getChannelModel());
266			} else {
267			int i = config.channelsPanel;
268			if(i >= 0 && i < getChannelsPaneCount()) {
269			getChannelsPane(i).addChannel(e.getChannelModel(), config);
270			} else {
271			getSelectedChannelsPane().addChannel(e.getChannelModel(), config);
272			}
273			}
274	iliev	787	}
275
276			/**
277			* Invoked when a sampler channel is removed.
278			* @param e A <code>SamplerChannelListEvent</code>
279			* instance providing the event information.
280			*/
281	iliev	1785	@Override
282	iliev	787	public void
283			channelRemoved(SamplerChannelListEvent e) {
284	iliev	1143	removeChannel(e.getChannelModel().getChannelId());
285	iliev	787	}
286			}
287
288			/**
289			* Searches for the first occurence of a channel with numerical ID <code>id</code>.
290			* @return The first occurence of a channel with numerical ID <code>id</code> or
291			* <code>null</code> if there is no channel with numerical ID <code>id</code>.
292			*/
293			public JSChannel
294			findChannel(int id) {
295			if(id < 0) return null;
296
297			for(JSChannelsPane cp : getChannelsPaneList()) {
298	iliev	1143	for(JSChannel c : cp.getChannels()) if(c.getChannelId() == id) return c;
299	iliev	787	}
300
301			return null;
302			}
303
304			/**
305			* Removes the first occurence of a channel with numerical ID <code>id</code>.
306			* This method is invoked when a sampler channel is removed in the back-end.
307			* @return The removed channel or <code>null</code>
308			* if there is no channel with numerical ID <code>id</code>.
309			*/
310			public JSChannel
311			removeChannel(int id) {
312			if(id < 0) return null;
313
314			for(JSChannelsPane cp : getChannelsPaneList()) {
315			for(JSChannel c : cp.getChannels()) {
316	iliev	1143	if(c.getChannelId() == id) {
317	iliev	787	cp.removeChannel(c);
318			return c;
319			}
320			}
321			}
322
323			return null;
324			}
325	iliev	1734
326			/**
327	iliev	1785	* Gets the zero-based position of the specified sampler channel
328			* in the channels pane, to which the channel is added.
329			* Note that the position may change when adding/removing sampler channels.
330			* @return The zero-based position of the specified sampler channel
331			* in the channels pane, or -1 if the specified channels is not found.
332			*/
333			public int
334			getChannelNumber(SamplerChannelModel channel) {
335			if(channel == null) return -1;
336
337			for(int i = 0; i < getChannelsPaneCount(); i++) {
338			JSChannelsPane chnPane = getChannelsPane(i);
339			for(int j = 0; j < chnPane.getChannelCount(); j++) {
340			if(chnPane.getChannel(j).getChannelId() == channel.getChannelId()) {
341			return j;
342			}
343			}
344			}
345
346			return -1;
347			}
348
349			/**
350			* Returns a string in the format <code>channelPaneNumber/channelNumber</code>,
351			* where <code>channelPaneNumber</code> is the one-based number of the channels
352			* pane containing the specified channel and <code>channelNumber</code> is the
353			* one-based number of the channel's position in the channels pane.
354			* Note that this path may change when adding/removing channels/channels panes.
355			* @return The channels path, or <code>null</code> if the specified channels is not found.
356			*/
357			public String
358			getChannelPath(SamplerChannelModel channel) {
359			if(channel == null) return null;
360
361			for(int i = 0; i < getChannelsPaneCount(); i++) {
362			JSChannelsPane chnPane = getChannelsPane(i);
363			for(int j = 0; j < chnPane.getChannelCount(); j++) {
364			if(chnPane.getChannel(j).getChannelId() == channel.getChannelId()) {
365	iliev	1818	return (i + 1) + "." + (j + 1);
366	iliev	1785	}
367			}
368			}
369
370			return null;
371			}
372
373			/**
374			* Gets the zero-based number of the channels pane,
375			* to which the specified sampler channel is added.
376			* Note that the can be moved from one channels pane to another.
377			* @return The zero-based index of the channels pane,
378			* to which the specified sampler channel is added, or
379			* -1 if the specified channels is not found.
380			*/
381			public int
382			getChannelsPaneNumber(SamplerChannelModel channel) {
383			if(channel == null) return -1;
384
385			for(int i = 0; i < getChannelsPaneCount(); i++) {
386			JSChannelsPane chnPane = getChannelsPane(i);
387			for(int j = 0; j < chnPane.getChannelCount(); j++) {
388			if(chnPane.getChannel(j).getChannelId() == channel.getChannelId()) {
389			return i;
390			}
391			}
392			}
393
394			return -1;
395			}
396
397			/**
398	iliev	1786	* Sends the specified script to the backend.
399			* @param script The file name of the script to run.
400			*/
401			public abstract void runScript(String script);
402
403			/**
404	iliev	1734	* Determines whether the channel list UI should be automatically updated
405			* when channel is added/removed. The default value is <code>true</code>.
406			*/
407			public boolean
408			getAutoUpdateChannelListUI() { return autoUpdateChannelListUI; }
409
410			/**
411			* Determines whether the channel list UI should be automatically updated
412			* when channel is added/removed.
413			*/
414			public void
415			setAutoUpdateChannelListUI(boolean b) {
416			if(b == autoUpdateChannelListUI) return;
417
418			autoUpdateChannelListUI = b;
419			for(JSChannelsPane cp : getChannelsPaneList()) {
420			cp.setAutoUpdate(b);
421			}
422			}
423
424			/**
425			* Updates the channel list UI.
426			*/
427			public void
428			updateChannelListUI() {
429			for(JSChannelsPane cp : getChannelsPaneList()) {
430			cp.updateChannelListUI();
431			}
432			}
433	iliev	787	}