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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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iliev |
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* Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com> |
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iliev |
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* |
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* This file is part of JSampler. |
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* |
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* JSampler is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* JSampler is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with JSampler; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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package org.jsampler.view.fantasia; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import javax.swing.ListSelectionModel; |
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import javax.swing.event.ListSelectionEvent; |
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import javax.swing.event.ListSelectionListener; |
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import net.sf.juife.ComponentList; |
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import net.sf.juife.ComponentListModel; |
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import net.sf.juife.DefaultComponentListModel; |
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import org.jsampler.CC; |
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import org.jsampler.SamplerChannelModel; |
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import org.jsampler.view.JSChannel; |
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import org.jsampler.view.JSChannelsPane; |
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/** |
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* |
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* @author Grigor Iliev |
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*/ |
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public class ChannelsPane extends JSChannelsPane { |
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private final ComponentList chnList = new ComponentList(); |
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private final DefaultComponentListModel listModel = new DefaultComponentListModel(); |
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/** |
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* Creates a new instance of <code>ChannelsPane</code> with |
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* the specified <code>title</code>. |
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* @param title The title of this <code>ChannelsPane</code> |
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*/ |
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public |
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ChannelsPane(String title) { |
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super(title); |
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setLayout(new BorderLayout()); |
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chnList.setOpaque(false); |
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chnList.setModel(listModel); |
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chnList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
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add(chnList); |
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setOpaque(true); |
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} |
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/** |
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* Adds new channel to this channels pane. |
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* @param channelModel The sampler channel model to be used by the new channel. |
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*/ |
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public void |
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addChannel(SamplerChannelModel channelModel) { |
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Channel channel = new Channel(channelModel); |
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listModel.add(channel); |
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if(channel.getChannelInfo().getEngine() == null) channel.expandChannel(); |
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chnList.setSelectedComponent(channel, true); |
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MainFrame.repack(CC.getMainFrame()); |
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} |
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/** |
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* Adds the specified channels to this channels pane. |
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* @param chns The channels to be added. |
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*/ |
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public void |
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addChannels(JSChannel[] chns) { |
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if(chns == null || chns.length == 0) return; |
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for(JSChannel c : chns) listModel.add(c); |
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chnList.setSelectedIndex(listModel.getSize() - 1); |
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MainFrame.repack(CC.getMainFrame()); |
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} |
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/** |
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* Removes the specified channel from this channels pane. |
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* This method is invoked when a sampler channel is removed in the back-end. |
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* @param chn The channel to be removed from this channels pane. |
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*/ |
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public void |
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removeChannel(JSChannel chn) { |
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listModel.remove(chn); |
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MainFrame.repack(CC.getMainFrame()); |
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} |
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/** |
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* Determines whether there is at least one selected channel. |
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* @return <code>true</code> if there is at least one selected channel, |
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* <code>false</code> otherwise. |
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*/ |
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public boolean |
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hasSelectedChannel() { return !chnList.isSelectionEmpty(); } |
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/** |
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* Gets the first channel in this channels pane. |
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* @return The first channel in this channels pane or <code>null</code> if |
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* the channels pane is empty. |
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*/ |
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public JSChannel |
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getFirstChannel() { return listModel.size() == 0 ? null : (JSChannel)listModel.get(0); } |
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/** |
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* Gets the last channel in this channels pane. |
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* @return The last channel in this channels pane or <code>null</code> if |
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* the channels pane is empty. |
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*/ |
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public JSChannel |
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getLastChannel() { |
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return listModel.size() == 0 ? null : (JSChannel)listModel.get(listModel.size()-1); |
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} |
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/** |
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* Gets the channel at the specified index. |
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* @return The channel at the specified index. |
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* @throws ArrayIndexOutOfBoundsException If the index is out of range. |
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*/ |
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public JSChannel |
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getChannel(int idx) { return (JSChannel)listModel.get(idx); } |
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/** |
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* Gets an array of all channels in this channels pane. |
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* @return An array of all channels in this channels pane. |
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*/ |
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public JSChannel[] |
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getChannels() { |
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JSChannel[] chns = new JSChannel[listModel.size()]; |
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for(int i = 0; i < listModel.size(); i++) chns[i] = (JSChannel)listModel.get(i); |
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return chns; |
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} |
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/** |
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* Gets the number of channels in this channels pane. |
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* @return The number of channels in this channels pane. |
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*/ |
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public int |
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getChannelCount() { return listModel.size(); } |
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/** |
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* Gets an array of all selected channels. |
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* The channels are sorted in increasing index order. |
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* @return The selected channels or an empty array if nothing is selected. |
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*/ |
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public JSChannel[] |
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getSelectedChannels() { |
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Component[] cS = chnList.getSelectedComponents(); |
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JSChannel[] chns = new JSChannel[cS.length]; |
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for(int i = 0; i < cS.length; i++) chns[i] = (JSChannel)cS[i]; |
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return chns; |
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} |
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/** |
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* Gets the number of the selected channels. |
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* @return The number of the selected channels. |
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*/ |
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public int |
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getSelectedChannelCount() { return chnList.getSelectedIndices().length; } |
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/** |
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* Removes all selected channels in this channels pane. |
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* Notice that this method does not remove any channels in the back-end. |
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* It is invoked after the channels are already removed in the back-end. |
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* @return The number of removed channels. |
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*/ |
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public int |
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removeSelectedChannels() { |
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int[] l = chnList.getSelectedIndices(); |
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ComponentListModel model = chnList.getModel(); |
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for(;;) { |
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int i = chnList.getMinSelectionIndex(); |
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if(i == -1) break; |
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model.remove(i); |
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} |
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MainFrame.repack(CC.getMainFrame()); |
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return l.length; |
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} |
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/** |
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* Registers the specified listener for receiving list selection events. |
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* @param listener The <code>ListSelectionListener</code> to register. |
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*/ |
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public void |
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addListSelectionListener(ListSelectionListener listener) { |
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listenerList.add(ListSelectionListener.class, listener); |
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} |
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/** |
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* Removes the specified listener. |
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* @param listener The <code>ListSelectionListener</code> to remove. |
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*/ |
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public void |
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removeListSelectionListener(ListSelectionListener listener) { |
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listenerList.remove(ListSelectionListener.class, listener); |
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} |
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} |