bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/SCLModuleEditor.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.jface.resource.JFaceResources;\r
  17 import org.eclipse.jface.resource.LocalResourceManager;\r
  18 import org.eclipse.swt.widgets.Composite;\r
  19 import org.eclipse.ui.IEditorInput;\r
  20 import org.eclipse.ui.IEditorSite;\r
  21 import org.eclipse.ui.PartInitException;\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.SCLSourceViewerConfigurationNew;\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  * @author Hannu Niemist&ouml;\r
  42  */\r
  43 public class SCLModuleEditor extends TextEditor {\r
  44 \r
  45     private boolean disposed = false;\r
  46 \r
  47     private ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =\r
  48             Combinators.compose(\r
  49                     InputValidationCombinators.hasURI(),\r
  50                     InputValidationCombinators.extractInputResource()\r
  51             );\r
  52 \r
  53     private ResourceEditorSupport support;\r
  54     protected LocalResourceManager resourceManager;\r
  55 \r
  56     public SCLModuleEditor() {\r
  57         super();\r
  58         resourceManager = new LocalResourceManager(JFaceResources.getResources());\r
  59         preInitialize();\r
  60     }\r
  61     \r
  62     @Override\r
  63     public boolean isTabsToSpacesConversionEnabled() {\r
  64         return true;\r
  65     }\r
  66     \r
  67     protected void preInitialize() {\r
  68         //showOverviewRuler();\r
  69         SCLSourceViewerConfigurationNew sourceViewerConfiguration = new SCLSourceViewerConfigurationNew(resourceManager);\r
  70         setDocumentProvider(new SCLModuleEditorDocumentProvider(sourceViewerConfiguration));\r
  71         setSourceViewerConfiguration(sourceViewerConfiguration);\r
  72     }\r
  73 \r
  74     protected ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {\r
  75         return INPUT_VALIDATOR;\r
  76     }\r
  77 \r
  78     @Override\r
  79     public void init(IEditorSite site, IEditorInput input)\r
  80             throws PartInitException {\r
  81         super.init(site, input);\r
  82 \r
  83         support = new ResourceEditorSupport(this, getInputValidator());\r
  84         support.activateValidation();\r
  85         try {\r
  86             getResourceInput().init(null);\r
  87         } catch (DatabaseException e) {\r
  88             throw new PartInitException("Failed to initialize " + input, e);\r
  89         }\r
  90     }\r
  91 \r
  92     protected IResourceEditorInput getResourceInput() {\r
  93         return (IResourceEditorInput) getEditorInput();\r
  94     }\r
  95 \r
  96     @Override\r
  97     public void createPartControl(Composite parent) {\r
  98         super.createPartControl(parent);\r
  99         StatusLineContributionItem statusLineContribution = new StatusLineContributionItem(\r
 100                 ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION,\r
 101                 true, 14);\r
 102         setStatusField(statusLineContribution,\r
 103                 ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION);\r
 104         getEditorSite().getActionBars().getStatusLineManager().add(statusLineContribution);\r
 105         getEditorSite().getActionBars().updateActionBars();\r
 106         updatePartName();\r
 107     }\r
 108 \r
 109     protected void updatePartName() {\r
 110         setPartName(getEditorInput().getName());\r
 111 \r
 112         Session session = Simantics.peekSession();\r
 113         if (session != null) {\r
 114             Supplier<Boolean> disposedCallback = this::isDisposed;\r
 115             session.asyncRequest(\r
 116                     new TitleWithParentNameRequest(getResourceInput()),\r
 117                     new TitleUpdater(getSite().getShell().getDisplay(), this::setPartName, disposedCallback));\r
 118             session.asyncRequest(\r
 119                     new ToolTipRequest(getSite().getId(), getResourceInput()),\r
 120                     new TitleUpdater(getSite().getShell().getDisplay(), this::setTitleToolTip, disposedCallback));\r
 121         }\r
 122     }\r
 123 \r
 124     @Override\r
 125     public void dispose() {\r
 126         disposed = true;\r
 127         if (support != null) {\r
 128             support.dispose();\r
 129             support = null;\r
 130         }\r
 131         super.dispose();\r
 132         resourceManager.dispose();\r
 133     }\r
 134 \r
 135     public boolean isDisposed() {\r
 136         return disposed;\r
 137     }\r
 138 \r
 139 }