bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/e4/PageSettingsHandler.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.ui.actions.e4;\r
  13 \r
  14 import javax.inject.Named;\r
  15 \r
  16 import org.eclipse.e4.core.di.annotations.CanExecute;\r
  17 import org.eclipse.e4.core.di.annotations.Execute;\r
  18 import org.eclipse.e4.ui.model.application.ui.basic.MPart;\r
  19 import org.eclipse.e4.ui.services.IServiceConstants;\r
  20 import org.eclipse.ui.IEditorPart;\r
  21 import org.eclipse.ui.IWorkbenchPart;\r
  22 import org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor;\r
  23 import org.simantics.db.Resource;\r
  24 import org.simantics.modeling.ui.diagram.PageSettingsDialog;\r
  25 import org.simantics.modeling.ui.diagramEditor.DiagramEditor;\r
  26 import org.simantics.ui.workbench.IResourceEditorInput;\r
  27 import org.simantics.utils.ui.workbench.WorkbenchUtils;\r
  28 \r
  29 \r
  30 /**\r
  31  * A Handler that shows PageSettings Dialog for DiagramViewer\r
  32  * \r
  33  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  34  */\r
  35 public class PageSettingsHandler {\r
  36 \r
  37     @CanExecute\r
  38     public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART) MPart mActiveEditor) {\r
  39         // TODO: Fix this when we get rid of CompatibilityEditors\r
  40         IEditorPart activeEditor = null;\r
  41         if (mActiveEditor != null && mActiveEditor.getObject() instanceof CompatibilityEditor) {\r
  42             CompatibilityEditor compatEditor = (CompatibilityEditor) mActiveEditor.getObject();\r
  43             activeEditor = compatEditor.getEditor();\r
  44         } else {\r
  45             // TODO: This is not good practice with E4 but an OK fallback for now\r
  46 //            activeEditor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();\r
  47         }\r
  48         if (activeEditor == null)\r
  49             return false;\r
  50         \r
  51         if (activeEditor instanceof DiagramEditor) {\r
  52             DiagramEditor editor = (DiagramEditor) activeEditor;\r
  53             IResourceEditorInput input = (IResourceEditorInput)editor.getEditorInput();\r
  54             Resource diagramResource = input.getResource();\r
  55             if (diagramResource != null)\r
  56                 return true;\r
  57         }\r
  58         return false;\r
  59     }\r
  60     \r
  61     @Execute\r
  62     public void execute(){\r
  63         IWorkbenchPart ap = WorkbenchUtils.getActiveEditor();\r
  64         if (ap instanceof DiagramEditor) {\r
  65             DiagramEditor editor = (DiagramEditor) ap;\r
  66             IResourceEditorInput input = (IResourceEditorInput)editor.getEditorInput();\r
  67             Resource diagramResource = input.getResource();\r
  68             if (diagramResource == null)\r
  69                 return;\r
  70 \r
  71             PageSettingsDialog dialog = new PageSettingsDialog(diagramResource, ap.getSite().getShell());\r
  72             if (dialog.open() == PageSettingsDialog.OK) {\r
  73                 dialog.applySettings();\r
  74             }\r
  75         }\r
  76     }\r
  77 \r
  78 }\r