1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.diagram.symbollibrary.ui;
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14 import java.awt.datatransfer.Transferable;
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15 import java.awt.dnd.DnDConstants;
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16 import java.awt.dnd.DragGestureEvent;
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17 import java.awt.dnd.DragSourceDragEvent;
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18 import java.awt.dnd.DragSourceDropEvent;
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19 import java.awt.dnd.DragSourceEvent;
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20 import java.lang.ref.SoftReference;
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21 import java.util.ArrayList;
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22 import java.util.Collection;
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23 import java.util.Collections;
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24 import java.util.Comparator;
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25 import java.util.EnumSet;
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26 import java.util.HashMap;
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27 import java.util.Iterator;
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28 import java.util.List;
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29 import java.util.Map;
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30 import java.util.Set;
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31 import java.util.TreeSet;
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32 import java.util.WeakHashMap;
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33 import java.util.concurrent.ExecutorService;
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34 import java.util.concurrent.Executors;
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35 import java.util.concurrent.Semaphore;
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36 import java.util.concurrent.ThreadFactory;
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37 import java.util.concurrent.TimeUnit;
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38 import java.util.concurrent.atomic.AtomicInteger;
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39 import java.util.regex.Matcher;
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40 import java.util.regex.Pattern;
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42 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
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43 import org.eclipse.core.runtime.preferences.InstanceScope;
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44 import org.eclipse.jface.action.Action;
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45 import org.eclipse.jface.action.IToolBarManager;
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46 import org.eclipse.jface.layout.GridDataFactory;
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47 import org.eclipse.jface.layout.GridLayoutFactory;
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48 import org.eclipse.jface.resource.FontDescriptor;
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49 import org.eclipse.jface.resource.JFaceResources;
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50 import org.eclipse.jface.resource.LocalResourceManager;
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51 import org.eclipse.jface.viewers.AcceptAllFilter;
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52 import org.eclipse.jface.viewers.BaseLabelProvider;
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53 import org.eclipse.jface.viewers.IFilter;
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54 import org.eclipse.jface.viewers.ISelection;
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55 import org.eclipse.jface.viewers.IStructuredContentProvider;
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56 import org.eclipse.jface.viewers.StructuredSelection;
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57 import org.eclipse.jface.viewers.Viewer;
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58 import org.eclipse.jface.viewers.ViewerFilter;
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59 import org.eclipse.jface.window.Window;
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60 import org.eclipse.nebula.widgets.pgroup.PGroup;
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61 import org.eclipse.swt.SWT;
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62 import org.eclipse.swt.custom.ScrolledComposite;
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63 import org.eclipse.swt.events.ControlAdapter;
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64 import org.eclipse.swt.events.ControlEvent;
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65 import org.eclipse.swt.events.DisposeEvent;
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66 import org.eclipse.swt.events.DisposeListener;
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67 import org.eclipse.swt.events.ExpandEvent;
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68 import org.eclipse.swt.events.ExpandListener;
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69 import org.eclipse.swt.events.ModifyEvent;
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70 import org.eclipse.swt.events.ModifyListener;
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71 import org.eclipse.swt.graphics.Color;
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72 import org.eclipse.swt.graphics.Point;
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73 import org.eclipse.swt.graphics.Rectangle;
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74 import org.eclipse.swt.layout.GridData;
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75 import org.eclipse.swt.widgets.Composite;
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76 import org.eclipse.swt.widgets.Control;
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77 import org.eclipse.swt.widgets.Event;
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78 import org.eclipse.swt.widgets.Listener;
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79 import org.eclipse.swt.widgets.Widget;
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80 import org.eclipse.ui.IMemento;
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81 import org.eclipse.ui.contexts.IContextService;
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82 import org.eclipse.ui.part.ViewPart;
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83 import org.osgi.service.prefs.BackingStoreException;
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84 import org.simantics.db.management.ISessionContextChangedListener;
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85 import org.simantics.db.management.ISessionContextProvider;
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86 import org.simantics.db.management.SessionContextChangedEvent;
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87 import org.simantics.diagram.internal.Activator;
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88 import org.simantics.diagram.symbollibrary.IModifiableSymbolGroup;
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89 import org.simantics.diagram.symbollibrary.ISymbolGroup;
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90 import org.simantics.diagram.symbollibrary.ISymbolGroupListener;
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91 import org.simantics.diagram.symbollibrary.ISymbolItem;
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92 import org.simantics.diagram.symbollibrary.ISymbolManager;
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93 import org.simantics.diagram.symbollibrary.ui.FilterConfiguration.Mode;
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94 import org.simantics.diagram.synchronization.ErrorHandler;
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95 import org.simantics.diagram.synchronization.LogErrorHandler;
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96 import org.simantics.diagram.synchronization.SynchronizationHints;
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97 import org.simantics.g2d.canvas.Hints;
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98 import org.simantics.g2d.canvas.ICanvasContext;
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99 import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;
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100 import org.simantics.g2d.canvas.impl.DependencyReflection.Reference;
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101 import org.simantics.g2d.chassis.AWTChassis;
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102 import org.simantics.g2d.diagram.DiagramUtils;
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103 import org.simantics.g2d.diagram.handler.PickContext;
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104 import org.simantics.g2d.diagram.handler.PickRequest;
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105 import org.simantics.g2d.diagram.handler.layout.FlowLayout;
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106 import org.simantics.g2d.diagram.participant.AbstractDiagramParticipant;
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107 import org.simantics.g2d.diagram.participant.Selection;
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108 import org.simantics.g2d.diagram.participant.pointertool.PointerInteractor;
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109 import org.simantics.g2d.dnd.IDragSourceParticipant;
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110 import org.simantics.g2d.element.ElementClass;
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111 import org.simantics.g2d.element.ElementHints;
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112 import org.simantics.g2d.element.IElement;
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113 import org.simantics.g2d.element.handler.StaticSymbol;
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114 import org.simantics.g2d.gallery.GalleryViewer;
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115 import org.simantics.g2d.gallery.ILabelProvider;
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116 import org.simantics.g2d.image.DefaultImages;
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117 import org.simantics.g2d.image.Image;
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118 import org.simantics.g2d.image.Image.Feature;
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119 import org.simantics.g2d.image.impl.ImageProxy;
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120 import org.simantics.g2d.participant.TransformUtil;
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121 import org.simantics.project.IProject;
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122 import org.simantics.project.ProjectKeys;
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123 import org.simantics.scenegraph.INode;
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124 import org.simantics.scenegraph.g2d.events.EventTypes;
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125 import org.simantics.scenegraph.g2d.events.IEventHandler;
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126 import org.simantics.scenegraph.g2d.events.MouseEvent;
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127 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDoubleClickedEvent;
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128 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseDragBegin;
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129 import org.simantics.ui.SimanticsUI;
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130 import org.simantics.ui.dnd.LocalObjectTransfer;
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131 import org.simantics.ui.dnd.LocalObjectTransferable;
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132 import org.simantics.utils.datastructures.cache.ProvisionException;
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133 import org.simantics.utils.datastructures.hints.HintListenerAdapter;
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134 import org.simantics.utils.datastructures.hints.HintTracker;
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135 import org.simantics.utils.datastructures.hints.IHintContext.Key;
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136 import org.simantics.utils.datastructures.hints.IHintListener;
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137 import org.simantics.utils.datastructures.hints.IHintObservable;
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138 import org.simantics.utils.threads.IThreadWorkQueue;
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139 import org.simantics.utils.threads.SWTThread;
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140 import org.simantics.utils.threads.ThreadUtils;
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141 import org.simantics.utils.ui.BundleUtils;
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142 import org.simantics.utils.ui.ExceptionUtils;
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143 import org.simantics.utils.ui.workbench.StringMemento;
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146 * @author Tuukka Lehtonen
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148 public class SymbolLibraryView extends ViewPart {
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150 private static final String SYMBOL_LIBRARY_CONTEXT = "org.simantics.diagram.symbolLibrary";
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151 private static final String PREF_FILTERS = "filters";
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152 private static final String TAG_FILTER_MODE = "filterMode";
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153 private static final String TAG_FILTER = "filter";
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155 private static final String ATTR_ACTIVE = "active";
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156 private static final String ATTR_FILTER_TEXT = "filterText";
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157 private static final String ATTR_NAME = "name";
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159 private static final int FILTER_DELAY = 500;
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161 private static final String KEY_VIEWER_INITIALIZED = "viewer.initialized";
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162 private static final String KEY_USER_EXPANDED = "userExpanded";
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163 private static final String KEY_GROUP_FILTERED = "groupFiltered";
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165 /** Root composite */
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166 ScrolledComposite sc;
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168 ISessionContextProvider sessionCtxProvider;
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169 IThreadWorkQueue swtThread;
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170 boolean defaultExpanded = false;
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173 * This value is incremented each time a load method is called and symbol
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174 * group population is started. It can be used by
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175 * {@link #populateGroups(ExecutorService, Control, Iterator, IFilter)} to
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176 * tell whether it should stop its population job because a later load
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177 * will override its results anyway.
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179 AtomicInteger loadCount = new AtomicInteger();
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181 Map<ISymbolGroup, PGroup> groups = new HashMap<ISymbolGroup, PGroup>();
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182 Map<ISymbolGroup, GalleryViewer> groupViewers = new HashMap<ISymbolGroup, GalleryViewer>();
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183 LocalResourceManager resourceManager;
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186 ThreadFactory threadFactory = new ThreadFactory() {
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188 public Thread newThread(Runnable r) {
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189 Thread t = new Thread(r, "Symbol Library Loader");
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190 t.setDaemon(false);
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191 t.setPriority(Thread.NORM_PRIORITY);
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196 Semaphore loaderSemaphore = new Semaphore(1);
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197 ExecutorService loaderExecutor = Executors.newCachedThreadPool(threadFactory);
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200 * Used to prevent annoying reloading of symbols when groups are closed and
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201 * reopened by not always having to schedule an {@link ImageLoader} in
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202 * {@link LabelProvider#getImage(Object)}.
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204 Map<ISymbolItem, SoftReference<ImageProxy>> imageCache = new WeakHashMap<ISymbolItem, SoftReference<ImageProxy>>();
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206 static final Pattern ANY = Pattern.compile(".*");
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207 Pattern currentFilterPattern = ANY;
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209 FilterConfiguration config = new FilterConfiguration();
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210 IFilter currentGroupFilter = AcceptAllFilter.getInstance();
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212 ErrorHandler errorHandler = LogErrorHandler.INSTANCE;
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214 static class GroupDescriptor {
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215 public final ISymbolGroup lib;
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216 public final String label;
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217 public final PGroup group;
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219 public GroupDescriptor(ISymbolGroup lib, String label, PGroup group) {
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220 assert(lib != null);
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221 assert(label != null);
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223 this.label = label;
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224 this.group = group;
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228 Comparator<GroupDescriptor> groupComparator = new Comparator<GroupDescriptor>() {
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230 public int compare(GroupDescriptor o1, GroupDescriptor o2) {
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231 return o1.label.compareToIgnoreCase(o2.label);
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235 static final EnumSet<Feature> VOLATILE = EnumSet.of(Feature.Volatile);
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237 static class PendingImage extends ImageProxy {
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238 EnumSet<Feature> features;
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239 PendingImage(Image source, EnumSet<Feature> features) {
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241 this.features = features;
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244 public EnumSet<Feature> getFeatures() {
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249 class LabelProvider extends BaseLabelProvider implements ILabelProvider {
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251 public Image getImage(final Object element) {
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252 ISymbolItem item = (ISymbolItem) element;
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253 // Use a volatile ImageProxy to make the image loading asynchronous.
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254 ImageProxy proxy = null;
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255 SoftReference<ImageProxy> proxyRef = imageCache.get(item);
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256 if (proxyRef != null)
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257 proxy = proxyRef.get();
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258 if (proxy == null) {
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259 proxy = new PendingImage(DefaultImages.HOURGLASS.get(), VOLATILE);
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260 imageCache.put(item, new SoftReference<ImageProxy>(proxy));
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261 ThreadUtils.getNonBlockingWorkExecutor().schedule(new ImageLoader(proxy, item), 100, TimeUnit.MILLISECONDS);
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266 public String getText(final Object element) {
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267 return ((ISymbolItem) element).getName();
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270 public String getToolTipText(Object element) {
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271 ISymbolItem item = (ISymbolItem) element;
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272 String name = item.getName();
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273 String desc = item.getDescription();
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274 return name.equals(desc) ? name : name + " - " + desc;
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278 public java.awt.Image getToolTipImage(Object object) {
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282 public Color getToolTipBackgroundColor(Object object) {
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287 public Color getToolTipForegroundColor(Object object) {
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292 public class ProjectTracker extends HintTracker {
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293 public ProjectTracker() {
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294 IHintListener symbolGroupListener = new HintListenerAdapter() {
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296 public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
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297 @SuppressWarnings("unchecked")
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298 Collection<ISymbolGroup> groups = (Collection<ISymbolGroup>) newValue;
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302 addKeyHintListener(ISymbolManager.KEY_SYMBOL_GROUPS, symbolGroupListener);
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305 ProjectTracker projectTracker= new ProjectTracker();
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307 public class SessionContextTracker extends HintTracker implements ISessionContextChangedListener {
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308 public SessionContextTracker() {
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309 IHintListener activeProjectListener = new HintListenerAdapter() {
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311 public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
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312 projectTracker.track((IProject) newValue);
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315 addKeyHintListener(ProjectKeys.KEY_PROJECT, activeProjectListener);
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318 public void sessionContextChanged(SessionContextChangedEvent event) {
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319 track(event.getNewValue());
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322 SessionContextTracker sessionContextTracker = new SessionContextTracker();
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324 void attachToSession() {
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325 // Track active ISessionContext changes
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326 sessionCtxProvider = SimanticsUI.getSessionContextProvider(getViewSite().getWorkbenchWindow());
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327 sessionCtxProvider.addContextChangedListener(sessionContextTracker);
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329 // Start tracking the current session context for input changes.
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330 // This will/must cause applySessionContext to get called.
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331 // Doing the applySessionContext initialization this way
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332 // instead of directly calling it will also make sure that
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333 // applySessionContext is only called once when first initialized,
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334 // and not twice like with the direct invocation.
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335 sessionContextTracker.track(sessionCtxProvider.getSessionContext());
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338 public void readPreferences() {
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339 FilterConfiguration config = new FilterConfiguration();
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341 IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(Activator.PLUGIN_ID);
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342 String filters = prefs.get(PREF_FILTERS, null);
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344 if (filters != null) {
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345 IMemento memento = new StringMemento(filters);
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346 for (IMemento child : memento.getChildren(TAG_FILTER)) {
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347 String name = child.getString(ATTR_NAME);
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348 String filterText = child.getString(ATTR_FILTER_TEXT);
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349 boolean active = Boolean.TRUE.equals(child.getBoolean(ATTR_ACTIVE));
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351 if (name != null && !name.trim().isEmpty() && filterText != null && !filterText.isEmpty()) {
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352 config.getFilters().add(new GroupFilter(name, filterText, active));
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355 Collections.sort(config.getFilters());
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357 String filterMode = memento.getString(TAG_FILTER_MODE);
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358 if (filterMode != null) {
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360 Mode mode = Mode.valueOf(filterMode);
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361 config.setMode(mode);
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362 } catch (IllegalArgumentException e) {
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367 updateFilterConfiguration(config);
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370 void savePreferences() throws BackingStoreException {
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371 IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(Activator.PLUGIN_ID);
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373 IMemento memento = new StringMemento();
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374 for (GroupFilter f : config.getFilters()) {
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375 IMemento child = memento.createChild(TAG_FILTER);
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376 child.putString(ATTR_NAME, f.getName());
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377 child.putString(ATTR_FILTER_TEXT, f.getFilterText());
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378 child.putBoolean(ATTR_ACTIVE, f.isActive());
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380 memento.putString(TAG_FILTER_MODE, config.getMode().toString());
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382 prefs.put(PREF_FILTERS, memento.toString());
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388 public void createPartControl(final Composite parent) {
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389 // Prime the image, make it available.
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390 DefaultImages.HOURGLASS.get();
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394 this.resourceManager = new LocalResourceManager(JFaceResources.getResources(parent.getDisplay()), parent);
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395 swtThread = SWTThread.getThreadAccess(parent);
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397 GridLayoutFactory.fillDefaults().spacing(0, 0).applyTo(parent);
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399 filter = new FilterArea(parent, SWT.NONE);
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400 GridDataFactory.fillDefaults().grab(true, false).applyTo(filter);
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401 filter.getText().addModifyListener(new ModifyListener() {
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403 //long lastModificationTime = -1000;
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405 public void modifyText(ModifyEvent e) {
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406 scheduleDelayedFilter(FILTER_DELAY, TimeUnit.MILLISECONDS);
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408 private void scheduleDelayedFilter(long filterDelay, TimeUnit delayUnit) {
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409 final String text = filter.getText().getText();
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411 //long time = System.currentTimeMillis();
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412 //long delta = time - lastModificationTime;
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413 //lastModificationTime = time;
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415 final int count = ++modCount;
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416 ThreadUtils.getNonBlockingWorkExecutor().schedule(new Runnable() {
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418 public void run() {
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419 int newCount = modCount;
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420 if (newCount != count)
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423 ThreadUtils.asyncExec(swtThread, new Runnable() {
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425 public void run() {
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426 if (sc.isDisposed())
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428 if (!filterGroups(text)) {
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429 scheduleDelayedFilter(100, TimeUnit.MILLISECONDS);
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434 }, filterDelay, delayUnit);
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438 sc = new ScrolledComposite(parent, SWT.V_SCROLL);
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439 GridDataFactory.fillDefaults().grab(true, true).applyTo(sc);
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440 sc.setAlwaysShowScrollBars(false);
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441 sc.setExpandHorizontal(false);
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442 sc.setExpandVertical(false);
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443 sc.getVerticalBar().setIncrement(30);
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444 sc.getVerticalBar().setPageIncrement(200);
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445 sc.addControlListener( new ControlAdapter() {
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447 public void controlResized(ControlEvent e) {
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448 //System.out.println("ScrolledComposite resized: " + sc.getSize());
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449 refreshScrolledComposite();
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453 c = new Composite(sc, 0);
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454 c.setVisible(false);
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455 GridLayoutFactory.fillDefaults().spacing(0, 0).applyTo(c);
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459 c.addDisposeListener(new DisposeListener() {
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461 public void widgetDisposed(DisposeEvent e) {
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462 // These should be in exactly this order to prevent them from
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463 // screwing each other up.
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464 sessionContextTracker.untrack();
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465 projectTracker.untrack();
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467 // Remember to shutdown the executor
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468 loaderExecutor.shutdown();
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471 contributeActions();
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474 IContextService cs = (IContextService) getSite().getService(IContextService.class);
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475 cs.activateContext(SYMBOL_LIBRARY_CONTEXT);
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479 public void dispose() {
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480 if (sessionCtxProvider != null) {
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481 sessionCtxProvider.removeContextChangedListener(sessionContextTracker);
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482 sessionCtxProvider = null;
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486 void refreshScrolledComposite() {
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487 // Execute asynchronously to give the UI events triggering this method
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488 // call time to run through before actually doing any resizing.
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489 // Otherwise the result will lag behind reality when scrollbar
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490 // visibility is toggled by the toolkit.
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491 ThreadUtils.asyncExec(swtThread, new Runnable() {
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493 public void run() {
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494 if (sc.isDisposed())
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496 syncRefreshScrolledComposite();
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501 void syncRefreshScrolledComposite() {
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502 // Execute asynchronously to give the UI events triggering this method
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503 // call time to run through before actually doing any resizing.
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504 // Otherwise the result will lag behind reality when scrollbar
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505 // visibility is toggled by the toolkit.
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506 Rectangle r = sc.getClientArea();
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507 Point contentSize = c.computeSize(r.width, SWT.DEFAULT);
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508 //System.out.println("[" + Thread.currentThread() + "] computed content size: " + contentSize + ", " + r);
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509 c.setSize(contentSize);
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513 * (Re-)Load symbol groups, refresh the content
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515 void load(Collection<ISymbolGroup> _libraries) {
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516 if (_libraries == null)
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517 _libraries = Collections.emptyList();
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518 final Collection<ISymbolGroup> libraries = _libraries;
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519 loaderExecutor.execute(new Runnable() {
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521 public void run() {
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522 // Increment loadCount to signal that a new load cycle is on the way.
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523 Integer loadId = loadCount.incrementAndGet();
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525 loaderSemaphore.acquire();
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526 beginPopulate(loadId);
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527 } catch (InterruptedException e) {
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528 ExceptionUtils.logError(e);
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529 } catch (RuntimeException e) {
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530 loaderSemaphore.release();
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531 ExceptionUtils.logAndShowError(e);
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532 } catch (Error e) {
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533 loaderSemaphore.release();
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534 ExceptionUtils.logAndShowError(e);
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538 void beginPopulate(Integer loadId) {
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539 synchronized (groups) {
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540 // Must use toArray since groups are removed within the loop
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541 for (Iterator<Map.Entry<ISymbolGroup, PGroup>> it = groups.entrySet().iterator(); it.hasNext();) {
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542 Map.Entry<ISymbolGroup, PGroup> entry = it.next();
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543 if (!libraries.contains(entry.getKey())) {
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544 PGroup group = entry.getValue();
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546 groupViewers.remove(entry.getKey());
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547 if (group != null && !group.isDisposed())
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548 ThreadUtils.asyncExec(swtThread, disposer(group));
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551 Set<GroupDescriptor> groupDescs = new TreeSet<GroupDescriptor>(groupComparator);
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552 for (ISymbolGroup lib : libraries) {
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553 PGroup group = groups.get(lib);
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554 //String label = group != null ? group.getText() : lib.getName();
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555 String label = lib.getName();
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556 groupDescs.add(new GroupDescriptor(lib, label, group));
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559 // Populate all the missing groups.
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560 IFilter groupFilter = currentGroupFilter;
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564 groupDescs.iterator(),
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569 public void run() {
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570 loaderSemaphore.release();
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578 void populateGroups(
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579 final ExecutorService exec,
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580 final Control lastGroup,
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581 final Iterator<GroupDescriptor> iter,
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582 final IFilter groupFilter,
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583 final Integer loadId,
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584 final Runnable loadComplete)
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586 // Check whether to still continue this population or not.
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587 int currentLoadId = loadCount.get();
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588 if (currentLoadId != loadId) {
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589 loadComplete.run();
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593 if (!iter.hasNext()) {
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594 ThreadUtils.asyncExec(swtThread, new Runnable() {
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596 public void run() {
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597 if (filter.isDisposed() || c.isDisposed())
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600 c.setVisible(true);
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603 loadComplete.run();
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607 final GroupDescriptor desc = iter.next();
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609 ThreadUtils.asyncExec(swtThread, new Runnable() {
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611 public void run() {
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612 // Must make sure that loadComplete is invoked under error
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616 } catch (RuntimeException e) {
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617 loadComplete.run();
\r
618 ExceptionUtils.logAndShowError(e);
\r
619 } catch (Error e) {
\r
620 loadComplete.run();
\r
621 ExceptionUtils.logAndShowError(e);
\r
625 public void populateGroup() {
\r
626 if (c.isDisposed()) {
\r
627 loaderSemaphore.release();
\r
631 //System.out.println("populating: " + desc.label);
\r
632 PGroup group = desc.group;
\r
633 if (group == null || group.isDisposed()) {
\r
635 group = new PGroup(c, SWT.NONE);
\r
636 // group.addListener(SWT.KeyUp, filterActivationListener);
\r
637 // group.addListener(SWT.KeyDown, filterActivationListener);
\r
638 // group.addListener(SWT.FocusIn, filterActivationListener);
\r
639 // group.addListener(SWT.FocusOut, filterActivationListener);
\r
640 // group.addListener(SWT.MouseDown, filterActivationListener);
\r
641 // group.addListener(SWT.MouseUp, filterActivationListener);
\r
642 // group.addListener(SWT.MouseDoubleClick, filterActivationListener);
\r
643 // group.addListener(SWT.Arm, filterActivationListener);
\r
644 if (lastGroup != null) {
\r
645 group.moveBelow(lastGroup);
\r
647 group.moveAbove(null);
\r
650 groups.put(desc.lib, group);
\r
652 group.setData(SymbolLibraryKeys.KEY_GROUP, desc.lib);
\r
653 group.setData(KEY_USER_EXPANDED, defaultExpanded);
\r
655 group.setExpanded(defaultExpanded);
\r
656 group.setFont(resourceManager.createFont(FontDescriptor.createFrom(group.getFont()).setStyle(SWT.NORMAL).increaseHeight(-1)));
\r
657 GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING).grab(true, false).applyTo(group);
\r
658 GridLayoutFactory.fillDefaults().spacing(0, 0).applyTo(group);
\r
659 group.addExpandListener(groupExpandListener);
\r
661 // Track group content changes if possible.
\r
662 if (desc.lib instanceof IModifiableSymbolGroup) {
\r
663 IModifiableSymbolGroup mod = (IModifiableSymbolGroup) desc.lib;
\r
664 mod.addListener(groupListener);
\r
668 group.setText(desc.label);
\r
669 group.setToolTipText(desc.label);
\r
671 // Initialize the group: set content provider, label provider and input.
\r
672 // NOTE: this should not yet start loading any data, just setup the viewer.
\r
673 // [Tuukka @ 2009-10-24] changed group contents to be
\r
674 // initialized lazily when needed. See references to initializeGroup(PGroup).
\r
675 //initializeGroup(group);
\r
677 // Hide the group immediately if necessary.
\r
678 boolean groupFiltered = !groupFilter.select(desc.label);
\r
679 group.setData(KEY_GROUP_FILTERED, Boolean.valueOf(groupFiltered));
\r
681 setGroupVisible(group, false);
\r
683 syncRefreshScrolledComposite();
\r
685 final PGroup group_ = group;
\r
686 exec.execute(new Runnable() {
\r
688 public void run() {
\r
689 populateGroups(exec, group_, iter, groupFilter, loadId, loadComplete);
\r
698 * @return <code>null</code> if GalleryViewer is currently being created
\r
700 GalleryViewer initializeGroup(final PGroup group) {
\r
701 if (group.isDisposed())
\r
704 //System.out.println("initializeGroup(" + group + ")");
\r
706 synchronized (group) {
\r
707 if (group.getData(KEY_VIEWER_INITIALIZED) != null) {
\r
708 return (GalleryViewer) group.getData(SymbolLibraryKeys.KEY_GALLERY);
\r
710 group.setData(KEY_VIEWER_INITIALIZED, Boolean.TRUE);
\r
713 //System.out.println("initializing group: " + group.getText());
\r
715 // NOTE: this will wait until the SWT/AWT UI population has completed
\r
716 // and it will dispatch SWT events while waiting for AWT thread population
\r
717 // to complete. This may in turn cause other parties to invoke this same
\r
718 // initializeGroup method with the same group as parameter. This case
\r
719 // needs to be handled appropriately by callers.
\r
720 GalleryViewer viewer = new GalleryViewer(group);
\r
722 ISymbolGroup input = (ISymbolGroup) group.getData(SymbolLibraryKeys.KEY_GROUP);
\r
723 initializeViewer(group, input, viewer);
\r
725 groupViewers.put(input, viewer);
\r
726 group.setData(SymbolLibraryKeys.KEY_GALLERY, viewer);
\r
728 //System.out.println("initialized group: " + group.getText());
\r
733 void initializeViewer(final PGroup group, final ISymbolGroup input, final GalleryViewer viewer) {
\r
734 GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING).grab(true, false).applyTo(viewer.getControl());
\r
735 viewer.addDragSupport(new DragSourceParticipant());
\r
736 viewer.setAlign(FlowLayout.Align.Left);
\r
737 viewer.getDiagram().setHint(SynchronizationHints.ERROR_HANDLER, errorHandler);
\r
739 viewer.setContentProvider(new IStructuredContentProvider() {
\r
742 * Returns the elements in the input, which must be either an array or a
\r
743 * <code>Collection</code>.
\r
746 public Object[] getElements(Object inputElement) {
\r
747 if(inputElement == null) return new Object[0];
\r
748 return ((ISymbolGroup)inputElement).getItems();
\r
752 * This implementation does nothing.
\r
755 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
\r
760 * This implementation does nothing.
\r
763 public void dispose() {
\r
768 viewer.setLabelProvider(new LabelProvider());
\r
769 viewer.setInput(input);
\r
771 // Add event handler that closes libraries on double clicks into empty
\r
772 // space in library.
\r
773 viewer.getCanvasContext().getEventHandlerStack().add(new IEventHandler() {
\r
775 public int getEventMask() {
\r
776 return EventTypes.MouseDoubleClickMask;
\r
779 public boolean handleEvent(org.simantics.scenegraph.g2d.events.Event e) {
\r
780 if (e instanceof MouseDoubleClickedEvent) {
\r
781 PickRequest req = new PickRequest(((MouseDoubleClickedEvent) e).controlPosition);
\r
782 Collection<IElement> result = new ArrayList<IElement>();
\r
783 DiagramUtils.pick(viewer.getDiagram(), req, result);
\r
784 if (!result.isEmpty())
\r
787 //System.out.println("NOTHING CLICKED");
\r
788 if (group.isDisposed())
\r
790 group.getDisplay().asyncExec(new Runnable() {
\r
792 public void run() {
\r
793 if (group.isDisposed())
\r
796 boolean exp = !group.getExpanded();
\r
797 group.setData(KEY_USER_EXPANDED, Boolean.valueOf(exp));
\r
798 setGroupExpandedWithoutNotification(group, exp);
\r
799 refreshScrolledComposite();
\r
809 static String toPatternString(String filter) {
\r
810 if (!filter.isEmpty()) {
\r
811 // Force searching in lowercase.
\r
812 filter = filter.toLowerCase();
\r
814 // Construct a regular expression from the specified text.
\r
815 String regExFilter = filter
\r
816 .replace("\\", "\\\\") // \ -> \\
\r
817 .replace(".", "\\.") // . -> \.
\r
818 .replace("*", ".*") // * -> Any 0..n characters
\r
819 .replace("?", ".") // ? -> Any single character
\r
820 .replace("+", "\\+") // + -> \+
\r
821 .replace("(", "\\(") // ( -> \(
\r
822 .replace(")", "\\)") // ) -> \)
\r
823 .replace("[", "\\[") // [ -> \[
\r
824 .replace("]", "\\]") // ] -> \]
\r
825 .replace("{", "\\{") // { -> \{
\r
826 .replace("}", "\\}") // } -> \}
\r
827 .replace("^", "\\^") // ^ -> \^
\r
828 .replace("$", "\\$") // $ -> \$
\r
829 .replace("|", ".*|") // $ -> \$
\r
830 //.replace("|", "\\|") // | -> \|
\r
831 .replace("&&", "\\&&") // && -> \&&
\r
834 if (!regExFilter.startsWith(".*"))
\r
835 regExFilter = ".*" + regExFilter ;
\r
836 if (!regExFilter.endsWith(".*"))
\r
837 regExFilter += ".*" ;
\r
839 return regExFilter;
\r
844 static class SymbolItemFilter extends ViewerFilter {
\r
845 private final String string;
\r
846 private final Pattern pattern;
\r
848 public SymbolItemFilter(String string, Pattern pattern) {
\r
849 this.string = string;
\r
850 this.pattern = pattern;
\r
854 public boolean select(Viewer viewer, Object parentElement, Object element) {
\r
855 ISymbolItem item = (ISymbolItem) element;
\r
856 String name = item.getName();
\r
857 Matcher m = pattern.matcher(name.toLowerCase());
\r
858 //System.out.println(name + ": " + (m.matches() ? "PASS" : "FAIL"));
\r
859 return m.matches();
\r
863 public int hashCode() {
\r
864 return string == null ? 0 : string.hashCode();
\r
868 public boolean equals(Object obj) {
\r
873 if (getClass() != obj.getClass())
\r
875 SymbolItemFilter other = (SymbolItemFilter) obj;
\r
876 if (string == null) {
\r
877 if (other.string != null)
\r
879 } else if (!string.equals(other.string))
\r
885 static Pattern toPattern(String filterText) {
\r
886 String regExFilter = toPatternString(filterText);
\r
887 Pattern pattern = regExFilter != null ? Pattern.compile(regExFilter) : ANY;
\r
891 static IFilter composeFilter(final FilterConfiguration config) {
\r
892 final Mode mode = config.getMode();
\r
893 final List<Pattern> patterns = new ArrayList<Pattern>();
\r
894 for (GroupFilter f : config.getFilters()) {
\r
896 patterns.add(toPattern(f.getFilterText()));
\r
898 return new IFilter() {
\r
900 public boolean select(Object toTest) {
\r
901 if (patterns.isEmpty())
\r
904 String s = (String) toTest;
\r
907 for (Pattern pat : patterns) {
\r
908 Matcher m = pat.matcher(s.toLowerCase());
\r
909 //System.out.println(s + ": " + (m.matches() ? "PASS" : "FAIL"));
\r
915 for (Pattern pat : patterns) {
\r
916 Matcher m = pat.matcher(s.toLowerCase());
\r
917 //System.out.println(s + ": " + (m.matches() ? "PASS" : "FAIL"));
\r
923 throw new Error("Shouldn't happen");
\r
929 void updateFilterConfiguration(FilterConfiguration config) {
\r
930 this.config = config;
\r
931 IFilter filter = composeFilter(config);
\r
932 this.currentGroupFilter = filter;
\r
935 void applyGroupFilters() {
\r
936 IFilter groupFilter = this.currentGroupFilter;
\r
937 final boolean[] changed = new boolean[] { false };
\r
939 Control[] grps = c.getChildren();
\r
940 for (Control ctrl : grps) {
\r
941 final PGroup grp = (PGroup) ctrl;
\r
942 boolean visible = grp.getVisible();
\r
943 boolean shouldBeVisible = groupFilter.select(grp.getText());
\r
944 boolean change = visible != shouldBeVisible;
\r
945 changed[0] |= change;
\r
947 grp.setData(KEY_GROUP_FILTERED, Boolean.valueOf(!shouldBeVisible));
\r
949 setGroupVisible(grp, shouldBeVisible);
\r
953 ThreadUtils.asyncExec(swtThread, new Runnable() {
\r
955 public void run() {
\r
956 if (c.isDisposed())
\r
960 syncRefreshScrolledComposite();
\r
967 * Filters the symbol groups and makes them visible/invisible as necessary.
\r
968 * Invoke only from the SWT thread.
\r
970 * @param text the filter text given by the client
\r
971 * @return <code>true</code> if all groups were successfully filtered
\r
972 * without asynchronous results
\r
974 boolean filterGroups(String text) {
\r
975 //System.out.println("FILTERING WITH TEXT: " + text);
\r
977 String regExFilter = toPatternString(text);
\r
978 Pattern pattern = regExFilter != null ? Pattern.compile(regExFilter) : ANY;
\r
980 this.currentFilterPattern = pattern;
\r
981 final boolean[] changed = new boolean[] { false };
\r
982 boolean filteringComplete = true;
\r
984 ViewerFilter filter = null;
\r
985 if (regExFilter != null)
\r
986 filter = new SymbolItemFilter(regExFilter, pattern);
\r
988 Control[] grps = c.getChildren();
\r
989 for (Control ctrl : grps) {
\r
990 final PGroup grp = (PGroup) ctrl;
\r
991 if (grp.isDisposed())
\r
993 Boolean contentsChanged = filterGroup(grp, filter);
\r
994 if (contentsChanged == null)
\r
995 filteringComplete = false;
\r
997 changed[0] = contentsChanged;
\r
1000 ThreadUtils.asyncExec(swtThread, new Runnable() {
\r
1002 public void run() {
\r
1003 if (c.isDisposed())
\r
1007 syncRefreshScrolledComposite();
\r
1012 return filteringComplete;
\r
1015 static boolean objectEquals(Object o1, Object o2) {
\r
1016 if (o1==o2) return true;
\r
1017 if (o1==null && o2==null) return true;
\r
1018 if (o1==null || o2==null) return false;
\r
1019 return o1.equals(o2);
\r
1024 * @return <code>true</code> if the filtering caused changes in the group,
\r
1025 * <code>false</code> if not, and <code>null</code> if filtering
\r
1026 * could not be performed yet, meaning results need to be asked
\r
1029 private Boolean filterGroup(PGroup grp, ViewerFilter filter) {
\r
1030 boolean changed = false;
\r
1031 GalleryViewer viewer = initializeGroup(grp);
\r
1032 if (viewer == null)
\r
1035 ViewerFilter lastFilter = viewer.getFilter();
\r
1037 boolean groupFiltered = Boolean.TRUE.equals(grp.getData(KEY_GROUP_FILTERED));
\r
1038 boolean userExpanded = Boolean.TRUE.equals(grp.getData(KEY_USER_EXPANDED));
\r
1039 final boolean expanded = grp.getExpanded();
\r
1040 final boolean visible = grp.getVisible();
\r
1041 final boolean filterChanged = !objectEquals(filter, lastFilter);
\r
1043 // Find out how much data would be shown with the new filter.
\r
1044 viewer.setFilter(filter);
\r
1045 Object[] elements = viewer.getFilteredElements();
\r
1047 boolean shouldBeVisible = !groupFiltered && elements.length > 0;
\r
1048 boolean shouldBeExpanded = shouldBeVisible && (filter != null || userExpanded);
\r
1050 // System.out.format("%40s: visible/should be = %5s %5s, expanded/user expanded/should be = %5s %5s %5s\n",
\r
1052 // String.valueOf(visible),
\r
1053 // String.valueOf(shouldBeVisible),
\r
1054 // String.valueOf(expanded),
\r
1055 // String.valueOf(userExpanded),
\r
1056 // String.valueOf(shouldBeExpanded));
\r
1058 if (filterChanged || visible != shouldBeVisible || expanded != shouldBeExpanded) {
\r
1061 if (shouldBeVisible == userExpanded) {
\r
1062 if (expanded != shouldBeExpanded)
\r
1063 setGroupExpandedWithoutNotification(grp, shouldBeExpanded);
\r
1064 setGroupVisible(grp, shouldBeVisible);
\r
1066 if (filter != null) {
\r
1067 if (shouldBeVisible) {
\r
1068 // The user has not expanded this group but the group contains
\r
1069 // stuff that matches the non-empty filter => show the group.
\r
1070 setGroupExpandedWithoutNotification(grp, true);
\r
1071 setGroupVisible(grp, true);
\r
1073 // The user has expanded this group but it does not contain items
\r
1074 // should should be shown with the current non-empty filter => hide the group.
\r
1075 setGroupExpandedWithoutNotification(grp, true);
\r
1076 setGroupVisible(grp, false);
\r
1079 // All groups should be visible. Some should be expanded and others not.
\r
1080 if (expanded != userExpanded)
\r
1081 setGroupExpandedWithoutNotification(grp, userExpanded);
\r
1083 setGroupVisible(grp, true);
\r
1087 if (shouldBeExpanded) {
\r
1088 viewer.refreshWithContent(elements);
\r
1092 // String label = grp.getText();
\r
1093 // Matcher m = pattern.matcher(label.toLowerCase());
\r
1094 // boolean visible = m.matches();
\r
1095 // if (visible != grp.getVisible()) {
\r
1096 // changed = true;
\r
1097 // setGroupVisible(grp, visible);
\r
1103 void setGroupExpandedWithoutNotification(PGroup grp, boolean expanded) {
\r
1104 // Ok, don't need to remove/add expand listener, PGroup will not notify
\r
1105 // listeners when setExpanded is invoked.
\r
1106 //grp.removeExpandListener(groupExpandListener);
\r
1107 grp.setExpanded(expanded);
\r
1108 //grp.addExpandListener(groupExpandListener);
\r
1111 void setGroupVisible(PGroup group, boolean visible) {
\r
1112 GridData gd = (GridData) group.getLayoutData();
\r
1113 gd.exclude = !visible;
\r
1114 group.setVisible(visible);
\r
1117 boolean isGroupFiltered(String label) {
\r
1118 return !currentFilterPattern.matcher(label.toLowerCase()).matches();
\r
1121 class DragSourceParticipant extends AbstractDiagramParticipant implements IDragSourceParticipant {
\r
1122 @Reference Selection selection;
\r
1123 @Dependency PointerInteractor pi;
\r
1124 @Dependency TransformUtil util;
\r
1125 @Dependency PickContext pickContext;
\r
1128 public int canDrag(MouseDragBegin me) {
\r
1129 if (me.button != MouseEvent.LEFT_BUTTON) return 0;
\r
1130 if (getHint(Hints.KEY_TOOL) != Hints.POINTERTOOL) return 0;
\r
1131 assertDependencies();
\r
1133 PickRequest req = new PickRequest(me.startCanvasPos);
\r
1134 req.pickPolicy = PickRequest.PickPolicy.PICK_INTERSECTING_OBJECTS;
\r
1135 List<IElement> picks = new ArrayList<IElement>();
\r
1136 pickContext.pick(diagram, req, picks);
\r
1137 Set<IElement> sel = selection.getSelection(me.mouseId);
\r
1139 if (Collections.disjoint(sel, picks)) return 0;
\r
1141 return DnDConstants.ACTION_LINK;
\r
1145 public Transferable dragStart(DragGestureEvent e) {
\r
1146 AWTChassis chassis = (AWTChassis) e.getComponent();
\r
1147 ICanvasContext cc = chassis.getCanvasContext();
\r
1148 Selection sel = cc.getSingleItem(Selection.class);
\r
1150 Set<IElement> ss = sel.getSelection(0);
\r
1151 if (ss.isEmpty()) return null;
\r
1152 Object[] res = new Object[ss.size()];
\r
1154 for (IElement ee : ss)
\r
1155 res[index++] = ee.getHint(ElementHints.KEY_OBJECT);
\r
1157 ISelection object = new StructuredSelection(res);
\r
1159 return new LocalObjectTransferable(object);
\r
1163 public int getAllowedOps() {
\r
1164 return DnDConstants.ACTION_COPY;
\r
1167 public void dragDropEnd(DragSourceDropEvent dsde) {
\r
1168 // System.out.println("dragDropEnd: " + dsde);
\r
1169 LocalObjectTransfer.getTransfer().clear();
\r
1172 public void dragEnter(DragSourceDragEvent dsde) {
\r
1175 public void dragExit(DragSourceEvent dse) {
\r
1178 public void dragOver(DragSourceDragEvent dsde) {
\r
1181 public void dropActionChanged(DragSourceDragEvent dsde) {
\r
1185 ExpandListener groupExpandListener = new ExpandListener() {
\r
1187 public void itemCollapsed(ExpandEvent e) {
\r
1188 final PGroup group = (PGroup) e.widget;
\r
1189 group.setData(KEY_USER_EXPANDED, Boolean.FALSE);
\r
1190 //System.out.println("item collapsed: " + group + ", " + sc.getClientArea());
\r
1191 refreshScrolledComposite();
\r
1194 public void itemExpanded(ExpandEvent e) {
\r
1195 final PGroup group = (PGroup) e.widget;
\r
1196 group.setData(KEY_USER_EXPANDED, Boolean.TRUE);
\r
1197 //System.out.println("item expanded: " + group + ", " + sc.getClientArea());
\r
1198 final GalleryViewer viewer = initializeGroup(group);
\r
1199 if (viewer == null)
\r
1201 ThreadUtils.asyncExec(swtThread, new Runnable() {
\r
1203 public void run() {
\r
1205 refreshScrolledComposite();
\r
1212 public void setFocus() {
\r
1216 public boolean isDefaultExpanded() {
\r
1217 return defaultExpanded;
\r
1220 public void setDefaultExpanded(boolean defaultExpanded) {
\r
1221 this.defaultExpanded = defaultExpanded;
\r
1224 Runnable disposer(final Widget w) {
\r
1225 return new Runnable() {
\r
1227 public void run() {
\r
1228 if (w.isDisposed())
\r
1235 void contributeActions() {
\r
1236 IToolBarManager toolbar = getViewSite().getActionBars().getToolBarManager();
\r
1237 toolbar.add(new Action("Collapse All",
\r
1238 BundleUtils.getImageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/collapseall.gif")) {
\r
1240 public void run() {
\r
1241 setAllExpandedStates(false);
\r
1244 toolbar.add(new Action("Expand All",
\r
1245 BundleUtils.getImageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/expandall.gif")) {
\r
1247 public void run() {
\r
1248 setAllExpandedStates(true);
\r
1251 toolbar.add(new Action("Configure Filters",
\r
1252 BundleUtils.getImageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/filter_ps.gif")) {
\r
1254 public void run() {
\r
1255 FilterConfiguration clone = new FilterConfiguration(config);
\r
1256 FilterDialog fd = new FilterDialog(getViewSite().getShell(), Activator.getDefault().getDialogSettings(), clone);
\r
1257 int result = fd.open();
\r
1258 if (result != Window.OK)
\r
1261 updateFilterConfiguration(clone);
\r
1262 applyGroupFilters();
\r
1265 savePreferences();
\r
1266 } catch (BackingStoreException e) {
\r
1267 ExceptionUtils.logAndShowError(e);
\r
1273 void setAllExpandedStates(boolean targetState) {
\r
1274 Boolean targetStateObj = Boolean.valueOf(targetState);
\r
1275 boolean changed = false;
\r
1276 setDefaultExpanded(targetState);
\r
1277 Control[] grps = c.getChildren();
\r
1278 //for (final PGroup grp : groups.values().toArray(new PGroup[0])) {
\r
1279 for (Control control : grps) {
\r
1280 final PGroup grp = (PGroup) control;
\r
1281 grp.setData(KEY_USER_EXPANDED, targetStateObj);
\r
1282 if (!grp.isDisposed() && grp.getExpanded() != targetState && grp.getVisible()) {
\r
1283 final GalleryViewer viewer = initializeGroup(grp);
\r
1284 setGroupExpandedWithoutNotification(grp, targetState);
\r
1285 ThreadUtils.asyncExec(swtThread, new Runnable() {
\r
1287 public void run() {
\r
1288 if (!grp.isDisposed()) {
\r
1289 if (viewer != null)
\r
1291 refreshScrolledComposite();
\r
1299 refreshScrolledComposite();
\r
1302 class ImageLoader implements Runnable {
\r
1304 private final ImageProxy imageProxy;
\r
1305 private final ISymbolItem item;
\r
1307 public ImageLoader(ImageProxy imageProxy, ISymbolItem item) {
\r
1308 this.imageProxy = imageProxy;
\r
1313 public void run() {
\r
1314 ThreadUtils.getBlockingWorkExecutor().execute(new Runnable() {
\r
1316 public void run() {
\r
1322 private void runBlocking() {
\r
1324 IHintObservable hints = null;
\r
1325 ISymbolGroup group = item.getGroup();
\r
1326 if (group == null)
\r
1327 throw new ProvisionException("No ISymbolGroup available for ISymbolItem " + item);
\r
1329 GalleryViewer viewer = groupViewers.get(group);
\r
1330 if (viewer == null) {
\r
1331 // This is normal if this composite has been disposed while these are being ran.
\r
1332 //throw new ProvisionException("No GalleryViewer available ISymbolGroup " + group);
\r
1333 imageProxy.setSource(DefaultImages.UNKNOWN2.get());
\r
1337 hints = viewer.getDiagram();
\r
1338 if (hints == null)
\r
1339 throw new ProvisionException("No diagram available for GalleryViewer of group " + group);
\r
1341 ElementClass ec = item.getElementClass(hints);
\r
1342 StaticSymbol ss = ec.getSingleItem(StaticSymbol.class);
\r
1343 Image source = ss == null ? DefaultImages.UNKNOWN2.get() : ss.getImage();
\r
1344 imageProxy.setSource(source);
\r
1345 } catch (ProvisionException e) {
\r
1346 ExceptionUtils.logWarning("Failed to provide element class for symbol item " + item, e);
\r
1347 imageProxy.setSource(DefaultImages.ERROR_DECORATOR.get());
\r
1348 } catch (Exception e) {
\r
1349 ExceptionUtils.logError(e);
\r
1350 imageProxy.setSource(DefaultImages.ERROR_DECORATOR.get());
\r
1356 public FilterArea getFilterArea() {
\r
1360 Runnable filterActivator = new Runnable() {
\r
1362 public void run() {
\r
1366 Listener filterActivationListener = new Listener() {
\r
1368 public void handleEvent(Event event) {
\r
1369 //System.out.println("event: " + event);
\r
1370 filterActivator.run();
\r
1374 ISymbolGroupListener groupListener = new ISymbolGroupListener() {
\r
1376 public void itemsChanged(ISymbolGroup group) {
\r
1377 GalleryViewer viewer = groupViewers.get(group);
\r
1378 if (viewer != null) {
\r
1379 ISymbolItem[] input = group.getItems();
\r
1380 viewer.setInput(input);
\r
1386 @SuppressWarnings("rawtypes")
\r
1387 public Object getAdapter(Class adapter) {
\r
1388 // For supporting Scene Graph viewer
\r
1389 if (adapter == INode[].class) {
\r
1390 List<INode> result = new ArrayList<INode>(groupViewers.size());
\r
1391 for (GalleryViewer viewer : groupViewers.values()) {
\r
1392 result.add(viewer.getCanvasContext().getSceneGraph());
\r
1394 return result.toArray(new INode[result.size()]);
\r
1396 return super.getAdapter(adapter);
\r