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

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