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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 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.jfreechart.chart.properties.bar;\r
  13 \r
  14 import org.eclipse.jface.layout.GridDataFactory;\r
  15 import org.eclipse.jface.layout.GridLayoutFactory;\r
  16 import org.eclipse.jface.viewers.ISelectionProvider;\r
  17 import org.eclipse.jface.viewers.IStructuredSelection;\r
  18 import org.eclipse.swt.SWT;\r
  19 import org.eclipse.swt.custom.ScrolledComposite;\r
  20 import org.eclipse.swt.events.SelectionAdapter;\r
  21 import org.eclipse.swt.events.SelectionEvent;\r
  22 import org.eclipse.swt.graphics.Point;\r
  23 import org.eclipse.swt.widgets.Composite;\r
  24 import org.eclipse.swt.widgets.Control;\r
  25 import org.eclipse.swt.widgets.Tree;\r
  26 import org.eclipse.ui.IWorkbenchSite;\r
  27 import org.simantics.browsing.ui.swt.SingleSelectionInputSource;\r
  28 import org.simantics.browsing.ui.swt.widgets.Button;\r
  29 import org.simantics.browsing.ui.swt.widgets.GraphExplorerComposite;\r
  30 import org.simantics.browsing.ui.swt.widgets.impl.SelectionListenerImpl;\r
  31 import org.simantics.browsing.ui.swt.widgets.impl.Widget;\r
  32 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
  33 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupportImpl;\r
  34 import org.simantics.db.Resource;\r
  35 import org.simantics.db.WriteGraph;\r
  36 import org.simantics.db.common.request.PossibleObjectWithType;\r
  37 import org.simantics.db.common.utils.ListUtils;\r
  38 import org.simantics.db.exception.DatabaseException;\r
  39 import org.simantics.db.layer0.util.RemoverUtil;\r
  40 import org.simantics.db.management.ISessionContext;\r
  41 import org.simantics.jfreechart.chart.ChartUtils;\r
  42 import org.simantics.jfreechart.chart.properties.LabelPropertyTabContributor;\r
  43 import org.simantics.jfreechart.chart.properties.xyline.AxisAndVariablesExplorerComposite;\r
  44 import org.simantics.layer0.Layer0;\r
  45 import org.simantics.sysdyn.JFreeChartResource;\r
  46 import org.simantics.ui.utils.AdaptionUtils;\r
  47 import org.simantics.utils.datastructures.ArrayMap;\r
  48 \r
  49 /**\r
  50  * Tab containing the series of a bar chart\r
  51  * @author Teemu Lempinen\r
  52  *\r
  53  */\r
  54 public class BarSeriesTab extends LabelPropertyTabContributor implements Widget {\r
  55 \r
  56     private GraphExplorerComposite explorer;\r
  57     private ScrolledComposite propertyContainer;\r
  58     private WidgetSupportImpl additionalSupport;\r
  59     private Button add, remove;\r
  60     private Resource chartResource;\r
  61     private BarSeriesPropertyComposite spc;\r
  62 \r
  63 \r
  64     public BarSeriesTab() {\r
  65         additionalSupport = new WidgetSupportImpl();\r
  66     }\r
  67 \r
  68     @Override\r
  69     public void createControls(Composite body, IWorkbenchSite site, final ISessionContext context, WidgetSupport support) {\r
  70         support.register(this);\r
  71         Composite composite = new Composite(body, SWT.NONE);\r
  72         GridDataFactory.fillDefaults().grab(true, true).applyTo(composite);\r
  73         GridLayoutFactory.fillDefaults().numColumns(2).margins(3, 3).applyTo(composite);\r
  74 \r
  75         // (Ontology-based) GraphExplorer displaying variables in a bar chart\r
  76         explorer = new AxisAndVariablesExplorerComposite(ArrayMap.keys(\r
  77                 "displaySelectors", "displayFilter").values(false, false), site, composite, support, SWT.FULL_SELECTION | SWT.BORDER | SWT.SINGLE);\r
  78         explorer.setBrowseContexts(JFreeChartResource.URIs.BarSeriesBrowseContext);\r
  79         explorer.setInputSource(new SingleSelectionInputSource(\r
  80                 Resource.class));\r
  81         explorer.getExplorer().setAutoExpandLevel(2); // Expand everything in the beginning\r
  82         explorer.finish();\r
  83 \r
  84         ((Tree)explorer.getExplorerControl()).addSelectionListener(new SelectionAdapter() {\r
  85             public void widgetSelected(SelectionEvent e) {\r
  86                 updateSelection(context);\r
  87             }\r
  88         });\r
  89         GridDataFactory.fillDefaults().hint(250, SWT.DEFAULT).grab(false, true).applyTo(explorer);\r
  90 \r
  91         // Scrolled composite for displaying properties of a selection in explorer\r
  92         propertyContainer = new ScrolledComposite(composite, SWT.H_SCROLL | SWT.V_SCROLL);\r
  93         GridDataFactory.fillDefaults().span(1, 2).grab(true, true).applyTo(propertyContainer);\r
  94         GridLayoutFactory.fillDefaults().applyTo(propertyContainer);\r
  95         propertyContainer.setExpandHorizontal(true);\r
  96         propertyContainer.setExpandVertical(true);\r
  97 \r
  98         // Buttons for adding and removing variables from a pie plot\r
  99         Composite buttonComposite = new Composite(composite, SWT.NONE);\r
 100         GridDataFactory.fillDefaults().applyTo(buttonComposite);\r
 101         GridLayoutFactory.fillDefaults().numColumns(3).applyTo(buttonComposite);\r
 102 \r
 103         add = new Button(buttonComposite, additionalSupport, SWT.NONE);\r
 104         add.setText("Add");\r
 105         add.addSelectionListener(new NewVariableListener(context));\r
 106 \r
 107         remove = new Button(buttonComposite, additionalSupport, SWT.NONE);\r
 108         remove.setText("Remove");\r
 109         remove.addSelectionListener(new RemoveListener(context));\r
 110     }\r
 111 \r
 112     /**\r
 113      * Updates the content of propertyContainer  \r
 114      * @param context\r
 115      */\r
 116     private void updateSelection(ISessionContext context) {\r
 117         ISelectionProvider selectionProvider = (ISelectionProvider)explorer.getAdapter(ISelectionProvider.class);\r
 118         IStructuredSelection selection = (IStructuredSelection)selectionProvider.getSelection();\r
 119         final Resource resource = AdaptionUtils.adaptToSingle(selection, Resource.class);\r
 120         if(resource == null)\r
 121             return;\r
 122 \r
 123         for(Control child : propertyContainer.getChildren()) {\r
 124             child.dispose();\r
 125         }\r
 126         spc = new BarSeriesPropertyComposite(propertyContainer, context, additionalSupport, SWT.NONE);\r
 127 \r
 128         additionalSupport.fireInput(context, selection);\r
 129 \r
 130         propertyContainer.setContent(spc);\r
 131         Point size = spc.computeSize(SWT.DEFAULT, SWT.DEFAULT);\r
 132         propertyContainer.setMinSize(size);\r
 133     }\r
 134 \r
 135     /**\r
 136      * SelectionListener for adding a new variable to a plot\r
 137      * @author Teemu Lempinen\r
 138      *\r
 139      */\r
 140     private class NewVariableListener extends SelectionListenerImpl<Resource> {\r
 141 \r
 142         public NewVariableListener(ISessionContext context) {\r
 143             super(context);\r
 144         }\r
 145 \r
 146         @Override\r
 147         public void apply(WriteGraph graph, Resource input) throws DatabaseException {\r
 148             Resource dataset = null;\r
 149             JFreeChartResource jfree = JFreeChartResource.getInstance(graph);\r
 150             Layer0 l0 = Layer0.getInstance(graph);\r
 151 \r
 152             if(input == null) {\r
 153                 if(chartResource != null) {\r
 154                     Resource plot = graph.syncRequest(new PossibleObjectWithType(chartResource, l0.ConsistsOf, jfree.Plot));\r
 155                     if(plot != null)\r
 156                         dataset = graph.syncRequest(new PossibleObjectWithType(plot, l0.ConsistsOf, jfree.Dataset));\r
 157                 }\r
 158             } else {\r
 159                 if(graph.isInstanceOf(input, jfree.Series)) {\r
 160                     dataset = graph.getPossibleObject(input, l0.PartOf);\r
 161                 }\r
 162             }\r
 163 \r
 164             if(dataset != null) {\r
 165                 // Create series with no rvi\r
 166                 ChartUtils.createSeries(graph, dataset, null);\r
 167             }\r
 168         }\r
 169     }\r
 170 \r
 171     /**\r
 172      * SelectionListener for remove button\r
 173      * @author Teemu Lempinen\r
 174      *\r
 175      */\r
 176     private class RemoveListener extends SelectionListenerImpl<Resource> {\r
 177 \r
 178         public RemoveListener(ISessionContext context) {\r
 179             super(context);\r
 180         }\r
 181 \r
 182         /**\r
 183          * Removes selected resource from explorer\r
 184          */\r
 185         @Override\r
 186         public void apply(WriteGraph graph, Resource input) throws DatabaseException {\r
 187             if(input == null)\r
 188                 return; \r
 189 \r
 190             JFreeChartResource jfree = JFreeChartResource.getInstance(graph);\r
 191             Layer0 l0 = Layer0.getInstance(graph);\r
 192             Resource list = null;\r
 193             if(graph.isInstanceOf(input, jfree.Series)) {\r
 194                 // Remove series from dataset and seriesList\r
 195                 Resource dataset = graph.getPossibleObject(input, l0.PartOf);\r
 196                 if(dataset != null)\r
 197                     list = graph.getPossibleObject(dataset, jfree.Dataset_seriesList);\r
 198 \r
 199                 if(list != null)\r
 200                     ListUtils.removeElement(graph, list, input);\r
 201                 RemoverUtil.remove(graph, input);\r
 202             }\r
 203         }\r
 204     }\r
 205 \r
 206     @Override\r
 207     public void setInput(ISessionContext context, Object input) {\r
 208         chartResource = AdaptionUtils.adaptToSingle(input, Resource.class);\r
 209     }\r
 210 \r
 211 \r
 212 }\r