bundles/org.simantics.ui/src/org/simantics/ui/workbench/PerspectiveBarsActivator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.ui.workbench;
  13
  14 import java.util.List;
  15
  16 import org.eclipse.swt.widgets.Menu;
  17 import org.eclipse.ui.IPerspectiveDescriptor;
  18 import org.eclipse.ui.IPerspectiveListener4;
  19 import org.eclipse.ui.IWindowListener;
  20
  21 import org.eclipse.ui.IWorkbenchPage;
  22 import org.eclipse.ui.IWorkbenchPartReference;
  23 import org.eclipse.ui.IWorkbenchWindow;
  24 import org.eclipse.ui.PlatformUI;
  25 import org.eclipse.ui.internal.WorkbenchWindow;
  26 import org.eclipse.ui.internal.progress.ProgressRegion;
  27
  28 /**
  29  * Handler for perspectiveBars ExtensionPoint
  30  *
  31  * FIXME : statusLine widgets are not restored into original positions.
  32  *
  33  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  34  *
  35  */
  36 @SuppressWarnings("restriction")
  37 public class PerspectiveBarsActivator implements IPerspectiveListener4, IWindowListener {
  38
  39     private IWorkbenchWindow                    activeWindow;
  40
  41
  42     public PerspectiveBarsActivator() {
  43         PlatformUI.getWorkbench().addWindowListener(this);
  44     }
  45
  46     public void dispose() {
  47         PlatformUI.getWorkbench().removeWindowListener(this);
  48     }
  49
  50     //------------------------------------------------------------------------
  51     // IPerspectiveListener4
  52     //------------------------------------------------------------------------
  53
  54     @Override
  55     public void perspectivePreDeactivate(IWorkbenchPage page, IPerspectiveDescriptor perspective) {
  56     }
  57
  58     @Override
  59     public void perspectiveClosed(IWorkbenchPage page, IPerspectiveDescriptor perspective) {
  60     }
  61
  62     @Override
  63     public void perspectiveDeactivated(IWorkbenchPage page, IPerspectiveDescriptor perspective) {
  64     }
  65
  66     @Override
  67     public void perspectiveOpened(IWorkbenchPage page, IPerspectiveDescriptor perspective) {
  68     }
  69
  70     @Override
  71     public void perspectiveSavedAs(IWorkbenchPage page, IPerspectiveDescriptor oldPerspective,
  72             IPerspectiveDescriptor newPerspective) {
  73     }
  74
  75     @Override
  76     public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective,
  77             IWorkbenchPartReference partRef, String changeId) {
  78         // See IWorkbenchPage.CHANGED_* constants for change id's.
  79     }
  80
  81     @Override
  82     public void perspectiveActivated(IWorkbenchPage page, IPerspectiveDescriptor perspective) {
  83         activatePerspective(perspective.getId());
  84     }
  85
  86     @Override
  87     public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, String changeId) {
  88         // See IWorkbenchPage.CHANGED_* constants for change id's.
  89     }
  90
  91     //------------------------------------------------------------------------
  92     // IWindowListener
  93     //------------------------------------------------------------------------
  94
  95     @Override
  96     public void windowActivated(IWorkbenchWindow window) {
  97 //        System.out.println("attaching to window: " + window);
  98         attachToWindow(window);
  99     }
 100
 101     @Override
 102     public void windowClosed(IWorkbenchWindow window) {
 103     }
 104
 105     @Override
 106     public void windowDeactivated(IWorkbenchWindow window) {
 107 //        System.out.println("detaching from window: " + window);
 108         detachFromWindow(window);
 109     }
 110
 111     @Override
 112     public void windowOpened(IWorkbenchWindow window) {
 113     }
 114
 115     //------------------------------------------------------------------------
 116     // UTILITIES
 117     //------------------------------------------------------------------------
 118
 119     private void attachToWindow(IWorkbenchWindow window) {
 120         activeWindow = window;
 121         window.addPerspectiveListener(this);
 122         IPerspectiveDescriptor perspective = window.getActivePage().getPerspective();
 123         if (perspective != null) {
 124             activatePerspective(perspective.getId());
 125         }
 126     }
 127
 128     private void detachFromWindow(IWorkbenchWindow window) {
 129         window.removePerspectiveListener(this);
 130     }
 131
 132
 133
 134
 135     private Menu menu;
 136
 137         private void activatePerspective(String perspectiveId) {
 138 //        System.out.println("activating perspective: " + perspectiveId);
 139
 140
 141         List<IPerspectiveBarsExtension> exts = PerspectiveBarsManager.getInstance().getExtensions(perspectiveId);
 142         Boolean menuBar = null;
 143         Boolean coolBar = null;
 144         Boolean statusLine = null;
 145         Boolean perspectiveBar = null;
 146         Boolean fastViewBar = null;
 147         Boolean progressIndicator = null;
 148         for (IPerspectiveBarsExtension ext : exts) {
 149             if (menuBar == null)
 150                 menuBar = ext.getMenuBar();
 151             if (coolBar == null)
 152                 coolBar = ext.getCoolBar();
 153             if (statusLine == null)
 154                 statusLine = ext.getStatusLine();
 155             if (perspectiveBar == null)
 156                 perspectiveBar = ext.getPerspectiveBar();
 157             if (fastViewBar == null)
 158                 fastViewBar = ext.getFastViewBar();
 159             if (progressIndicator == null)
 160                 progressIndicator = ext.getProgressIndicator();
 161         }
 162
 163         if (activeWindow instanceof WorkbenchWindow) {
 164                 WorkbenchWindow window = (WorkbenchWindow)activeWindow;
 165
 166                 if (menuBar == null || menuBar == true) {
 167                         Menu m = window.getShell().getMenuBar();
 168                         if (m == null && menu != null) {
 169                                 window.getShell().setMenuBar(menu);
 170                         }
 171                 } else {
 172                         Menu m = window.getShell().getMenuBar();
 173                         if (m != null) {
 174                                 menu = m;
 175                                 window.getShell().setMenuBar(null);
 176
 177                         }
 178                 }
 179
 180                 if (coolBar == null || coolBar == true) {
 181                         window.setCoolBarVisible(true);
 182                 } else {
 183                         window.setCoolBarVisible(false);
 184                 }
 185
 186                 if (statusLine == null || statusLine == true) {
 187                         window.setStatusLineVisible(true);
 188                         //window.showHeapStatus(true);
 189                 } else {
 190                         window.setStatusLineVisible(false);
 191                         //window.showHeapStatus(false);
 192                 }
 193
 194                 if (perspectiveBar == null || perspectiveBar == true) {
 195                         window.setPerspectiveBarVisible(true);
 196                 } else {
 197                         window.setPerspectiveBarVisible(false);
 198                 }
 199
 200                 // Bug 479522 - Remove unused fastView methods in WorkbenchWindow
 201                 //if (fastViewBar == null || fastViewBar == true) {
 202                 //      window.setFastViewBarVisible(true);
 203                 //} else {
 204                 //      window.setFastViewBarVisible(false);
 205                 //}
 206
 207                 if (progressIndicator == null || progressIndicator == true) {
 208                         ProgressRegion r = window.getProgressRegion();
 209                         if (r != null)
 210                                 r.getControl().setVisible(true);
 211
 212                 } else {
 213                         ProgressRegion r = window.getProgressRegion();
 214                         if (r != null)
 215                                 r.getControl().setVisible(false);
 216                 }
 217                 // Bug 486768 - Delete unused internal ITrimManager
 218                 //window.getTrimManager().forceLayout();
 219         }
 220
 221     }
 222
 223 }