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.modeling.ui.diagramEditor;
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14 import org.eclipse.jface.action.Action;
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15 import org.eclipse.jface.action.ActionContributionItem;
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16 import org.eclipse.jface.action.IContributionItem;
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17 import org.eclipse.jface.action.ICoolBarManager;
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18 import org.eclipse.jface.action.IToolBarManager;
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19 import org.eclipse.jface.action.ToolBarContributionItem;
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20 import org.eclipse.swt.widgets.Display;
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21 import org.eclipse.ui.IEditorPart;
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22 import org.eclipse.ui.IPartListener2;
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23 import org.eclipse.ui.IWorkbenchPart;
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24 import org.eclipse.ui.IWorkbenchPartReference;
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25 import org.eclipse.ui.part.EditorActionBarContributor;
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26 import org.simantics.g2d.canvas.Hints;
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27 import org.simantics.g2d.canvas.ICanvasContext;
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28 import org.simantics.g2d.canvas.IToolMode;
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29 import org.simantics.modeling.ui.Activator;
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30 import org.simantics.utils.datastructures.hints.HintListenerAdapter;
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31 import org.simantics.utils.datastructures.hints.IHintContext.Key;
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32 import org.simantics.utils.datastructures.hints.IHintListener;
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33 import org.simantics.utils.datastructures.hints.IHintObservable;
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34 import org.simantics.utils.threads.ThreadUtils;
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37 * @author Tuukka Lehtonen
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39 public class DiagramViewerActionContributor extends EditorActionBarContributor {
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41 private static final boolean DEBUG = false;
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43 private IEditorPart activePart;
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44 private Display display;
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46 private ICanvasContext currentContext;
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48 ModeAction pointerAction;
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49 ModeAction connectAction;
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50 IContributionItem pointerItem;
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51 IContributionItem connectItem;
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52 protected IToolBarManager mgr;
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54 IPartListener2 partListener = new IPartListener2() {
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56 public void partVisible(IWorkbenchPartReference partRef) {
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59 public void partOpened(IWorkbenchPartReference partRef) {
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62 public void partInputChanged(IWorkbenchPartReference partRef) {
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65 public void partHidden(IWorkbenchPartReference partRef) {
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68 public void partDeactivated(IWorkbenchPartReference partRef) {
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69 IWorkbenchPart part = partRef.getPart(false);
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70 if (part == activePart) {
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71 setActiveEditor(null);
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75 public void partClosed(IWorkbenchPartReference partRef) {
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78 public void partBroughtToTop(IWorkbenchPartReference partRef) {
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81 public void partActivated(IWorkbenchPartReference partRef) {
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86 public void contributeToCoolBar(ICoolBarManager coolBarManager) {
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87 IContributionItem item = coolBarManager.find("org.simantics.modeling.ui.diagramtoolbar");
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88 if (item instanceof ToolBarContributionItem)
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89 mgr = ((ToolBarContributionItem) item).getToolBarManager();
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93 pointerAction = new ModeAction("org.simantics.modeling.ui.pointerMode", Hints.POINTERTOOL);
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94 pointerAction.setText("Pointer Mode");
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95 pointerAction.setImageDescriptor(Activator.POINTER_MODE);
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96 connectAction = new ModeAction("org.simantics.modeling.ui.connectMode", Hints.CONNECTTOOL);
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97 connectAction.setText("Connect Mode");
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98 connectAction.setImageDescriptor(Activator.CONNECT_MODE);
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100 pointerItem = new ActionContributionItem(pointerAction);
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101 connectItem = new ActionContributionItem(connectAction);
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103 mgr.appendToGroup("tool.additions", pointerItem);
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104 mgr.appendToGroup("tool.additions", connectItem);
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107 getPage().addPartListener(partListener);
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111 public void dispose() {
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112 getPage().removePartListener(partListener);
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115 mgr.remove(connectItem);
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116 mgr.remove(pointerItem);
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117 connectItem.dispose();
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118 pointerItem.dispose();
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121 if (activePart != null) {
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122 activePart.getEditorSite().getActionBars().updateActionBars();
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126 setContext(null, null);
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128 setContext(null, null);
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132 public void setActiveEditor(IEditorPart part) {
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134 System.out.println("setActiveEditor: " + part);
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135 if (part == activePart)
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138 this.activePart = part;
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139 if (part != null) {
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140 this.display = part.getSite().getShell().getDisplay();
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143 ICanvasContext ctx = part != null ? (ICanvasContext) part.getAdapter(ICanvasContext.class) : null;
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144 setContext(part, ctx);
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147 private void setContext(IEditorPart part, ICanvasContext context) {
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149 System.out.println("setContext: " + part + "\nNEW CONTEXT: " + context + "\nPREVIOUS CONTEXT: " + currentContext);
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151 ICanvasContext previous = currentContext;
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152 currentContext = context;
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153 if (previous != context) {
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154 if (previous != null && !previous.isDisposed())
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155 previous.getHintStack().removeKeyHintListener(Hints.KEY_TOOL, TOOL_LISTENER);
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156 if (context != null && !context.isDisposed())
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157 context.getHintStack().addKeyHintListener(Hints.KEY_TOOL, TOOL_LISTENER);
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160 if (part != null && context != null && !context.isDisposed())
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161 updateActionBars(part, (IToolMode) context.getHintStack().getHint(Hints.KEY_TOOL));
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163 updateActionBars(null, null);
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166 private void updateActionBars(IEditorPart part, IToolMode toolMode) {
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168 System.out.println("updateActionBars: " + part + ", " + toolMode);
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169 updateToolMode(toolMode);
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171 part.getEditorSite().getActionBars().updateActionBars();
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174 private void updateToolMode(IToolMode toolMode) {
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176 System.out.println("updateToolMode: " + toolMode);
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177 if (toolMode != null) {
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178 pointerAction.setEnabled(true);
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179 connectAction.setEnabled(true);
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180 if (toolMode == Hints.POINTERTOOL) {
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181 pointerAction.setChecked(true);
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182 connectAction.setChecked(false);
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183 } else if (toolMode == Hints.CONNECTTOOL) {
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184 pointerAction.setChecked(false);
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185 connectAction.setChecked(true);
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188 pointerAction.setEnabled(false);
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189 connectAction.setEnabled(false);
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193 IHintListener TOOL_LISTENER = new HintListenerAdapter() {
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195 public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
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196 final IToolMode mode = (IToolMode) newValue;
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197 final IEditorPart part = activePart;
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198 display.asyncExec(new Runnable() {
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200 public void run() {
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201 if (display.isDisposed())
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203 if (activePart != part)
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205 updateActionBars(part, mode);
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211 public class ModeAction extends Action {
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213 private IToolMode targetMode;
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215 public ModeAction(String id, IToolMode targetMode) {
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216 super(id, Action.AS_RADIO_BUTTON);
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217 this.targetMode = targetMode;
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221 public void run() {
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222 final ICanvasContext context = currentContext;
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223 if (context == null)
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226 final IEditorPart part = activePart;
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230 if (context.isDisposed())
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233 ThreadUtils.asyncExec(context.getThreadAccess(), new Runnable() {
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235 public void run() {
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236 if (context.isDisposed())
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238 IToolMode toolMode = context.getHintStack().getHint(Hints.KEY_TOOL);
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239 if (!targetMode.equals(toolMode)) {
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241 System.out.println("changing tool mode to " + targetMode.getId());
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242 context.getDefaultHintContext().setHint(Hints.KEY_TOOL, targetMode);
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