bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/property/svg/SVGElementComposite.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 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.property.svg;
  13
  14 import java.util.Collection;
  15
  16 import org.eclipse.jface.dialogs.IInputValidator;
  17 import org.eclipse.jface.layout.GridDataFactory;
  18 import org.eclipse.jface.resource.ColorDescriptor;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.graphics.Color;
  21 import org.eclipse.swt.graphics.RGB;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Display;
  24 import org.eclipse.ui.IWorkbenchSite;
  25 import org.simantics.browsing.ui.swt.widgets.DefaultColorProvider;
  26 import org.simantics.browsing.ui.swt.widgets.Label;
  27 import org.simantics.browsing.ui.swt.widgets.TrackedText;
  28 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
  29 import org.simantics.db.ReadGraph;
  30 import org.simantics.db.Resource;
  31 import org.simantics.db.exception.DatabaseException;
  32 import org.simantics.db.management.ISessionContext;
  33 import org.simantics.diagram.stubs.DiagramResource;
  34 import org.simantics.selectionview.ComparableTabContributor;
  35 import org.simantics.selectionview.ConfigurationComposite;
  36 import org.simantics.selectionview.TabContribution;
  37 import org.simantics.ui.selection.WorkbenchSelectionUtils;
  38
  39 /**
  40  * @author Tuukka Lehtonen
  41  */
  42 public class SVGElementComposite extends ConfigurationComposite {
  43
  44         public static TabContribution<Object> svgTabContribution() {
  45                 return new TabContribution<Object>() {
  46
  47                         @Override
  48                         public boolean accept(ReadGraph graph, Object input) throws DatabaseException {
  49                                 Resource res = WorkbenchSelectionUtils.getPossibleResourceFromSelection(graph, input);
  50                                 if(res == null) return false;
  51                                 return graph.isInstanceOf(res, DiagramResource.getInstance(graph).SVGElement);
  52                         }
  53
  54                         @Override
  55                         public void contribute(ReadGraph graph, Object selection, Collection<ComparableTabContributor> result)
  56                                         throws DatabaseException {
  57                                 Resource res = WorkbenchSelectionUtils.getPossibleResourceFromSelection(graph, selection);
  58                                 if(res != null) {
  59                                         if(graph.isInstanceOf(res, DiagramResource.getInstance(graph).SVGElement)) {
  60                                                 result.add(make(res, 100.0, "SVG"));
  61                                         }
  62                                 }
  63                         }
  64                 };
  65         }
  66
  67     public static ComparableTabContributor make(Resource input, double priority, String tabLabel) {
  68         return make(new SVGInput(input), priority, tabLabel);
  69     }
  70
  71     public static ComparableTabContributor make(SVGInput input, double priority, String tabLabel) {
  72         return new ComparableTabContributor(new SVGElementComposite(), priority, input, tabLabel);
  73     }
  74
  75     public void create(final Composite body, IWorkbenchSite site, final ISessionContext context, final WidgetSupport support) {
  76
  77         final Display display = body.getDisplay();
  78
  79         body.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
  80
  81         Label expressionHeader = new Label(body, support, 0);
  82         expressionHeader.setText("SVG markup");
  83         expressionHeader.setFont(smallFont);
  84         expressionHeader.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
  85         GridDataFactory.fillDefaults().grab(true, false).span(2, 1).align(SWT.CENTER, SWT.CENTER).applyTo(expressionHeader.getWidget());
  86
  87         TrackedText expression = new TrackedText(body, support, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
  88         expression.setSelectAllOnStartEdit(false);
  89         expression.setColorProvider(new DefaultColorProvider(expression.getResourceManager()) {
  90
  91             private final ColorDescriptor inactiveColor = ColorDescriptor.createFrom(new RGB(220, 220, 255));
  92
  93             @Override
  94             public Color getInactiveBackground() {
  95                 return resourceManager.createColor(inactiveColor);
  96             }
  97
  98         });
  99         expression.setTextFactory(new SVGTextFactory());
 100         expression.addModifyListener(new SVGModifier());
 101         expression.setInputValidator(new IInputValidator() {
 102             @Override
 103             public String isValid(String document) {
 104                 try {
 105                     XMLPrettyPrinter.parseDocument(document);
 106                     return null;
 107                 } catch (Exception e) {
 108                     return e.getMessage();
 109                 }
 110             }
 111         });
 112         GridDataFactory.fillDefaults().grab(true, true).applyTo(expression.getWidget());
 113
 114     }
 115
 116 }