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iliev |
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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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* Copyright (C) 2005-2007 Grigor Iliev <grigor@grigoriliev.com> |
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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; |
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import java.util.Enumeration; |
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import java.util.Vector; |
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import javax.swing.tree.TreeNode; |
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import org.linuxsampler.lscp.DbDirectoryInfo; |
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import org.linuxsampler.lscp.DbInstrumentInfo; |
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import org.linuxsampler.lscp.event.InstrumentsDbEvent; |
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import org.linuxsampler.lscp.event.InstrumentsDbListener; |
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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 DbDirectoryTreeNode implements TreeNode { |
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private DbDirectoryTreeNode parent = null; |
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private DbDirectoryInfo info; |
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private Vector<DbDirectoryTreeNode> dirs = new Vector<DbDirectoryTreeNode>(); |
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private Vector<DbInstrumentInfo> instrs = new Vector<DbInstrumentInfo>(); |
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private boolean connected = false; |
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private boolean detachedNode = false; |
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private final Vector<InstrumentsDbListener> listeners = new Vector<InstrumentsDbListener>(); |
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/** Creates a new instance of <code>DbDirectoryTreeNode</code>. */ |
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public |
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DbDirectoryTreeNode(DbDirectoryInfo info) { |
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this.info = info; |
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} |
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/** |
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* Registers the specified listener for receiving event messages. |
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* @param l The <code>InstrumentsDbListener</code> to register. |
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*/ |
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public void |
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addInstrumentsDbListener(InstrumentsDbListener l) { |
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listeners.add(l); |
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} |
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/** |
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* Removes the specified listener. |
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* @param l The <code>InstrumentsDbListener</code> to remove. |
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*/ |
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public void |
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removeInstrumentsDbListener(InstrumentsDbListener l) { |
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listeners.remove(l); |
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} |
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public DbDirectoryInfo |
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getInfo() { return info; } |
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public void |
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setInfo(DbDirectoryInfo info) { this.info = info; } |
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// Tree node model methods |
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public DbDirectoryTreeNode |
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getChildAt(int index) { return dirs.get(index); } |
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public int |
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getChildCount() { return dirs.size(); } |
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public DbDirectoryTreeNode |
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getParent() { return parent; } |
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public int |
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getIndex(TreeNode node) { return dirs.indexOf(node); } |
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public boolean |
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getAllowsChildren() { return true; } |
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public boolean |
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isLeaf() { return false; } |
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public Enumeration |
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children() { return dirs.elements(); } |
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/////// |
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public void |
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setParent(DbDirectoryTreeNode parent) { this.parent = parent; } |
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public void |
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addDirectory(DbDirectoryTreeNode child) { |
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addDirectory(child, true); |
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} |
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private void |
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addDirectory(DbDirectoryTreeNode child, boolean doNotify) { |
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for(int i = 0; i < dirs.size(); i++) { |
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String s = dirs.get(i).getInfo().toString(); |
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if(s.compareToIgnoreCase(child.getInfo().toString()) < 0) continue; |
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dirs.insertElementAt(child, i); |
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child.setParent(this); |
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fireDirectoryCountChanged(); |
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return; |
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} |
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dirs.add(child); |
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child.setParent(this); |
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if(doNotify) fireDirectoryCountChanged(); |
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} |
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public void |
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addDirectories(DbDirectoryTreeNode[] children) { |
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if(children == null || children.length == 0) return; |
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for(DbDirectoryTreeNode n : children) addDirectory(n, false); |
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fireDirectoryCountChanged(); |
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} |
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public void |
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removeDirectory(int index) { |
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DbDirectoryTreeNode node = dirs.remove(index); |
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node.setParent(null); |
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fireDirectoryCountChanged(); |
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} |
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public void |
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removeDirectoryByPathName(String path) { |
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if(path == null) return; |
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for(DbDirectoryTreeNode n : dirs) { |
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if(path.equals(n.getInfo().getDirectoryPath())) { |
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dirs.removeElement(n); |
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return; |
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} |
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} |
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} |
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public void |
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removeInstrumentByPathName(String path) { |
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if(path == null) return; |
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for(DbInstrumentInfo info : instrs) { |
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if(path.equals(info.getInstrumentPath())) { |
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instrs.removeElement(info); |
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return; |
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} |
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} |
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} |
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public void |
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removeAllDirectories() { |
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dirs.removeAllElements(); |
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fireDirectoryCountChanged(); |
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} |
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public void |
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updateDirectory(DbDirectoryInfo info) { |
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for(int i = 0; i < dirs.size(); i++) { |
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if(dirs.get(i).getInfo().getName().equals(info.getName())) { |
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dirs.get(i).setInfo(info); |
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fireDirectoryInfoChanged(info.getDirectoryPath()); |
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return; |
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} |
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} |
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} |
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public void |
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addInstrument(DbInstrumentInfo info) { |
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instrs.add(info); |
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fireInstrumentCountChanged(); |
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} |
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public void |
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addInstruments(DbInstrumentInfo[] infos) { |
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if(infos == null || infos.length == 0) return; |
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for(DbInstrumentInfo i : infos) instrs.add(i); |
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fireInstrumentCountChanged(); |
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} |
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public void |
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removeAllInstruments() { |
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instrs.removeAllElements(); |
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fireInstrumentCountChanged(); |
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} |
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public void |
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updateInstrument(DbInstrumentInfo info) { |
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for(int i = 0; i < instrs.size(); i++) { |
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if(instrs.get(i).getName().equals(info.getName())) { |
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instrs.setElementAt(info, i); |
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fireInstrumentInfoChanged(info.getInstrumentPath()); |
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return; |
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} |
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} |
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} |
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public DbInstrumentInfo |
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getInstrumentAt(int index) { return instrs.get(index); } |
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public int |
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getInstrumentCount() { return instrs.size(); } |
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public int |
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getInstrumentIndex(DbInstrumentInfo instr) { return instrs.indexOf(instr); } |
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public void |
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removeInstrument(int index) { |
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instrs.remove(index); |
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fireInstrumentCountChanged(); |
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} |
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/** |
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* Gets the instrument with the specified name. |
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* @param instrName The name of the instrument to return. |
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* @return The instrument with the specified name or <code>null</code> |
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* if there is no instrument with the specified name in this directory. |
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*/ |
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public DbInstrumentInfo |
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getInstrument(String instrName) { |
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for(int i = 0; i < getInstrumentCount(); i++) { |
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if(instrName.equals(getInstrumentAt(i).getName())) { |
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return getInstrumentAt(i); |
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} |
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} |
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return null; |
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} |
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public boolean |
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isConnected() { return connected; } |
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public void |
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setConnected(boolean b) { connected = b; } |
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/** |
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* Determines whether the node is part of a tree or not. |
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* The default value is <code>false</code>. |
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*/ |
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public boolean |
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isDetached() { return detachedNode; } |
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/** |
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* Sets whether the node is part of a tree or not. |
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*/ |
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public void |
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setDetached(boolean b) { detachedNode = b; } |
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public String |
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toString() { return info.getName(); } |
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private void |
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fireDirectoryCountChanged() { |
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String s = getInfo() == null ? null : getInfo().getDirectoryPath(); |
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InstrumentsDbEvent e = new InstrumentsDbEvent(this, s); |
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for(InstrumentsDbListener l : listeners) l.directoryCountChanged(e); |
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} |
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private void |
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fireDirectoryInfoChanged(String dir) { |
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InstrumentsDbEvent e = new InstrumentsDbEvent(this, dir); |
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for(InstrumentsDbListener l : listeners) l.directoryInfoChanged(e); |
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} |
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private void |
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fireInstrumentCountChanged() { |
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String s = getInfo() == null ? null : getInfo().getDirectoryPath(); |
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InstrumentsDbEvent e = new InstrumentsDbEvent(this, s); |
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for(InstrumentsDbListener l : listeners) l.instrumentCountChanged(e); |
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} |
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private void |
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fireInstrumentInfoChanged(String instr) { |
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InstrumentsDbEvent e = new InstrumentsDbEvent(this, instr); |
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for(InstrumentsDbListener l : listeners) l.instrumentInfoChanged(e); |
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} |
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} |