bundles/org.simantics.charts/src/org/simantics/charts/ui/SetIndexItem.java

   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.charts.ui;\r
  13 \r
  14 import java.awt.Color;\r
  15 import java.util.List;\r
  16 \r
  17 import org.eclipse.jface.action.ContributionItem;\r
  18 import org.eclipse.jface.resource.ImageDescriptor;\r
  19 import org.eclipse.jface.resource.JFaceResources;\r
  20 import org.eclipse.jface.resource.LocalResourceManager;\r
  21 import org.eclipse.swt.SWT;\r
  22 import org.eclipse.swt.events.SelectionEvent;\r
  23 import org.eclipse.swt.events.SelectionListener;\r
  24 import org.eclipse.swt.graphics.Image;\r
  25 import org.eclipse.swt.widgets.Menu;\r
  26 import org.eclipse.swt.widgets.MenuItem;\r
  27 import org.simantics.Simantics;\r
  28 import org.simantics.charts.Activator;\r
  29 import org.simantics.charts.query.ChartItemIndexQuery;\r
  30 import org.simantics.charts.query.SetChartItemIndexRequest;\r
  31 import org.simantics.db.Resource;\r
  32 import org.simantics.db.Session;\r
  33 import org.simantics.db.exception.DatabaseException;\r
  34 \r
  35 public class SetIndexItem extends ContributionItem implements SelectionListener {\r
  36 \r
  37         int index;\r
  38         Color color;\r
  39         String label;\r
  40         Image image;\r
  41         LocalResourceManager rm;\r
  42         List<Resource> chartItems;\r
  43         boolean analogIcon; \r
  44         \r
  45         public SetIndexItem(Color color, int index, String label, boolean analogIcon, List<Resource> chartItems)\r
  46         {\r
  47                 super("org.simantics.charts.ui.ColorItem."+index);\r
  48                 this.index = index;\r
  49                 this.label = label;\r
  50                 this.color = color;\r
  51                 this.chartItems = chartItems;\r
  52                 this.analogIcon = analogIcon;\r
  53         }\r
  54         \r
  55         @Override\r
  56         public void fill(Menu menu, int index) {\r
  57                 \r
  58                 MenuItem item = new MenuItem(menu, SWT.CHECK);\r
  59 //              item.setText( this.index+":"+label );\r
  60                 item.setText( this.index+"" );\r
  61                 item.addSelectionListener(this);\r
  62 \r
  63                 boolean selected = false;\r
  64                 if (chartItems.size()==1) {\r
  65                         try {\r
  66                                 Integer selIndex = Simantics.getSession().sync( new ChartItemIndexQuery(chartItems.get(0)) );\r
  67                                 selected = (selIndex!=null) && (this.index == selIndex);\r
  68                         } catch (DatabaseException e) {\r
  69                         }\r
  70                 }\r
  71                         \r
  72                 item.setSelection( selected );\r
  73                 if (rm==null) rm = new LocalResourceManager(JFaceResources.getResources());\r
  74                                 \r
  75                 ImageDescriptor icon = Activator.getDefault().chartIcons.createIcon(analogIcon, color, selected);\r
  76                 \r
  77                 image = (Image) rm.get(icon);\r
  78                 item.setImage( image );\r
  79         }\r
  80         \r
  81         @Override\r
  82         public void dispose() {\r
  83                 if (rm != null) rm.dispose();\r
  84                 super.dispose();\r
  85         }\r
  86 \r
  87         @Override\r
  88         public void widgetSelected(SelectionEvent e) {\r
  89                 for ( Resource chartItem : chartItems) {\r
  90                         Session s = Simantics.getSession();\r
  91                         s.markUndoPoint();\r
  92                         s.async( new SetChartItemIndexRequest(chartItem, index) );\r
  93                 }\r
  94         }\r
  95 \r
  96         @Override\r
  97         public void widgetDefaultSelected(SelectionEvent e) {\r
  98                 widgetSelected(e);\r
  99         }\r
 100         \r
 101 }