bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/PGraphEditor.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012 Association for Decentralized Information Management in\r
   3  * 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.componentTypeEditor;\r
  13 \r
  14 import java.util.function.Supplier;\r
  15 \r
  16 import org.eclipse.swt.widgets.Composite;\r
  17 import org.eclipse.swt.widgets.Display;\r
  18 import org.eclipse.ui.IEditorInput;\r
  19 import org.eclipse.ui.IEditorSite;\r
  20 import org.eclipse.ui.PartInitException;\r
  21 import org.eclipse.ui.PlatformUI;\r
  22 import org.eclipse.ui.editors.text.TextEditor;\r
  23 import org.eclipse.ui.texteditor.ITextEditorActionConstants;\r
  24 import org.eclipse.ui.texteditor.StatusLineContributionItem;\r
  25 import org.simantics.Simantics;\r
  26 import org.simantics.db.Session;\r
  27 import org.simantics.db.common.request.ParametrizedRead;\r
  28 import org.simantics.db.exception.DatabaseException;\r
  29 import org.simantics.db.layer0.request.combinations.Combinators;\r
  30 import org.simantics.scl.ui.editor.SharedTextColorsNew;\r
  31 import org.simantics.ui.workbench.IResourceEditorInput;\r
  32 import org.simantics.ui.workbench.ResourceEditorSupport;\r
  33 import org.simantics.ui.workbench.TitleUpdater;\r
  34 import org.simantics.ui.workbench.TitleWithParentNameRequest;\r
  35 import org.simantics.ui.workbench.ToolTipRequest;\r
  36 import org.simantics.ui.workbench.editor.input.InputValidationCombinators;\r
  37 \r
  38 \r
  39 /**\r
  40  * @author Antti Villberg;\r
  41  */\r
  42 public class PGraphEditor extends TextEditor {\r
  43 \r
  44     private boolean disposed = false;\r
  45 \r
  46     private ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =\r
  47             Combinators.compose(\r
  48                     InputValidationCombinators.hasURI(),\r
  49                     InputValidationCombinators.extractInputResource()\r
  50             );\r
  51 \r
  52     private ResourceEditorSupport support;\r
  53 \r
  54     public PGraphEditor() {\r
  55         super();\r
  56         preInitialize();\r
  57     }\r
  58 \r
  59     protected void preInitialize() {\r
  60         //showOverviewRuler();\r
  61         setDocumentProvider(new PGraphEditorDocumentProvider());\r
  62         Display display = PlatformUI.getWorkbench().getDisplay();\r
  63         setSourceViewerConfiguration(new PGraphSourceViewerConfigurationNew(\r
  64                 display, new SharedTextColorsNew(display)));\r
  65     }\r
  66 \r
  67     protected ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {\r
  68         return INPUT_VALIDATOR;\r
  69     }\r
  70 \r
  71     @Override\r
  72     public void init(IEditorSite site, IEditorInput input)\r
  73             throws PartInitException {\r
  74         super.init(site, input);\r
  75 \r
  76         support = new ResourceEditorSupport(this, getInputValidator());\r
  77         support.activateValidation();\r
  78         try {\r
  79             getResourceInput().init(null);\r
  80         } catch (DatabaseException e) {\r
  81             throw new PartInitException("Failed to initialize " + input, e);\r
  82         }\r
  83     }\r
  84 \r
  85     protected IResourceEditorInput getResourceInput() {\r
  86         return (IResourceEditorInput) getEditorInput();\r
  87     }\r
  88 \r
  89     @Override\r
  90     public void createPartControl(Composite parent) {\r
  91         super.createPartControl(parent);\r
  92         StatusLineContributionItem statusLineContribution = new StatusLineContributionItem(\r
  93                 ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION,\r
  94                 true, 14);\r
  95         setStatusField(statusLineContribution,\r
  96                 ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION);\r
  97         getEditorSite().getActionBars().getStatusLineManager().add(statusLineContribution);\r
  98         getEditorSite().getActionBars().updateActionBars();\r
  99         updatePartName();\r
 100     }\r
 101 \r
 102     protected void updatePartName() {\r
 103         setPartName(getEditorInput().getName());\r
 104 \r
 105         Session session = Simantics.peekSession();\r
 106         if (session != null) {\r
 107             Supplier<Boolean> disposedCallback = this::isDisposed;\r
 108             session.asyncRequest(\r
 109                     new TitleWithParentNameRequest(getResourceInput()),\r
 110                     new TitleUpdater(getSite().getShell().getDisplay(), this::setPartName, disposedCallback));\r
 111             session.asyncRequest(\r
 112                     new ToolTipRequest(getSite().getId(), getResourceInput()),\r
 113                     new TitleUpdater(getSite().getShell().getDisplay(), this::setTitleToolTip, disposedCallback));\r
 114         }\r
 115     }\r
 116 \r
 117     @Override\r
 118     public void dispose() {\r
 119         disposed = true;\r
 120         if (support != null) {\r
 121             support.dispose();\r
 122             support = null;\r
 123         }\r
 124         super.dispose();\r
 125     }\r
 126 \r
 127     public boolean isDisposed() {\r
 128         return disposed;\r
 129     }\r
 130 \r
 131 }