gerrit.simantics Code Review - simantics/platform.git/blob

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * 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.modeling.ui.componentTypeEditor;
  13
  14 import java.util.function.Supplier;
  15
  16 import org.eclipse.jface.resource.JFaceResources;
  17 import org.eclipse.jface.resource.LocalResourceManager;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.ui.IEditorInput;
  20 import org.eclipse.ui.IEditorSite;
  21 import org.eclipse.ui.PartInitException;
  22 import org.eclipse.ui.editors.text.TextEditor;
  23 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
  24 import org.eclipse.ui.texteditor.StatusLineContributionItem;
  25 import org.simantics.Simantics;
  26 import org.simantics.db.Session;
  27 import org.simantics.db.common.request.ParametrizedRead;
  28 import org.simantics.db.exception.DatabaseException;
  29 import org.simantics.db.layer0.request.combinations.Combinators;
  30 import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;
  31 import org.simantics.ui.workbench.IResourceEditorInput;
  32 import org.simantics.ui.workbench.ResourceEditorSupport;
  33 import org.simantics.ui.workbench.TitleUpdater;
  34 import org.simantics.ui.workbench.TitleWithParentNameRequest;
  35 import org.simantics.ui.workbench.ToolTipRequest;
  36 import org.simantics.ui.workbench.editor.input.InputValidationCombinators;
  37
  38
  39 /**
  40  * @author Antti Villberg;
  41  * @author Hannu Niemist&ouml;
  42  */
  43 public class SCLModuleEditor extends TextEditor {
  44
  45     private boolean disposed = false;
  46
  47     private ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =
  48             Combinators.compose(
  49                     InputValidationCombinators.hasURI(),
  50                     InputValidationCombinators.extractInputResource()
  51             );
  52
  53     private ResourceEditorSupport support;
  54     protected LocalResourceManager resourceManager;
  55
  56     public SCLModuleEditor() {
  57         super();
  58         resourceManager = new LocalResourceManager(JFaceResources.getResources());
  59         preInitialize();
  60     }
  61
  62     @Override
  63     public boolean isTabsToSpacesConversionEnabled() {
  64         return true;
  65     }
  66
  67     protected void preInitialize() {
  68         //showOverviewRuler();
  69         SCLSourceViewerConfigurationNew sourceViewerConfiguration = new SCLSourceViewerConfigurationNew(resourceManager);
  70         setDocumentProvider(new SCLModuleEditorDocumentProvider(sourceViewerConfiguration));
  71         setSourceViewerConfiguration(sourceViewerConfiguration);
  72     }
  73
  74     protected ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {
  75         return INPUT_VALIDATOR;
  76     }
  77
  78     @Override
  79     public void init(IEditorSite site, IEditorInput input)
  80             throws PartInitException {
  81         super.init(site, input);
  82
  83         support = new ResourceEditorSupport(this, getInputValidator());
  84         support.activateValidation();
  85         try {
  86             getResourceInput().init(null);
  87         } catch (DatabaseException e) {
  88             throw new PartInitException("Failed to initialize " + input, e);
  89         }
  90     }
  91
  92     protected IResourceEditorInput getResourceInput() {
  93         return (IResourceEditorInput) getEditorInput();
  94     }
  95
  96     @Override
  97     public void createPartControl(Composite parent) {
  98         super.createPartControl(parent);
  99         StatusLineContributionItem statusLineContribution = new StatusLineContributionItem(
 100                 ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION,
 101                 true, 14);
 102         setStatusField(statusLineContribution,
 103                 ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION);
 104         getEditorSite().getActionBars().getStatusLineManager().add(statusLineContribution);
 105         getEditorSite().getActionBars().updateActionBars();
 106         updatePartName();
 107     }
 108
 109     protected void updatePartName() {
 110         setPartName(getEditorInput().getName());
 111
 112         Session session = Simantics.peekSession();
 113         if (session != null) {
 114             Supplier<Boolean> disposedCallback = this::isDisposed;
 115             session.asyncRequest(
 116                     new TitleWithParentNameRequest(getResourceInput()),
 117                     new TitleUpdater(getSite().getShell().getDisplay(), this::setPartName, disposedCallback));
 118             session.asyncRequest(
 119                     new ToolTipRequest(getSite().getId(), getResourceInput()),
 120                     new TitleUpdater(getSite().getShell().getDisplay(), this::setTitleToolTip, disposedCallback));
 121         }
 122     }
 123
 124     @Override
 125     public void dispose() {
 126         disposed = true;
 127         if (support != null) {
 128             support.dispose();
 129             support = null;
 130         }
 131         super.dispose();
 132         resourceManager.dispose();
 133     }
 134
 135     public boolean isDisposed() {
 136         return disposed;
 137     }
 138
 139 }