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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 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.charts.ui;
  13
  14 import java.awt.Color;
  15 import java.util.List;
  16
  17 import org.eclipse.jface.action.ContributionItem;
  18 import org.eclipse.jface.resource.ImageDescriptor;
  19 import org.eclipse.jface.resource.JFaceResources;
  20 import org.eclipse.jface.resource.LocalResourceManager;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.events.SelectionEvent;
  23 import org.eclipse.swt.events.SelectionListener;
  24 import org.eclipse.swt.graphics.Image;
  25 import org.eclipse.swt.widgets.Menu;
  26 import org.eclipse.swt.widgets.MenuItem;
  27 import org.simantics.Simantics;
  28 import org.simantics.charts.Activator;
  29 import org.simantics.charts.query.ChartItemIndexQuery;
  30 import org.simantics.charts.query.SetChartItemIndexRequest;
  31 import org.simantics.db.Resource;
  32 import org.simantics.db.Session;
  33 import org.simantics.db.exception.DatabaseException;
  34
  35 public class SetIndexItem extends ContributionItem implements SelectionListener {
  36
  37         int index;
  38         Color color;
  39         String label;
  40         Image image;
  41         LocalResourceManager rm;
  42         List<Resource> chartItems;
  43         boolean analogIcon;
  44
  45         public SetIndexItem(Color color, int index, String label, boolean analogIcon, List<Resource> chartItems)
  46         {
  47                 super("org.simantics.charts.ui.ColorItem."+index);
  48                 this.index = index;
  49                 this.label = label;
  50                 this.color = color;
  51                 this.chartItems = chartItems;
  52                 this.analogIcon = analogIcon;
  53         }
  54
  55         @Override
  56         public void fill(Menu menu, int index) {
  57
  58                 MenuItem item = new MenuItem(menu, SWT.CHECK);
  59 //              item.setText( this.index+":"+label );
  60                 item.setText( this.index+"" );
  61                 item.addSelectionListener(this);
  62
  63                 boolean selected = false;
  64                 if (chartItems.size()==1) {
  65                         try {
  66                                 Integer selIndex = Simantics.getSession().sync( new ChartItemIndexQuery(chartItems.get(0)) );
  67                                 selected = (selIndex!=null) && (this.index == selIndex);
  68                         } catch (DatabaseException e) {
  69                         }
  70                 }
  71
  72                 item.setSelection( selected );
  73                 if (rm==null) rm = new LocalResourceManager(JFaceResources.getResources());
  74
  75                 ImageDescriptor icon = Activator.getDefault().chartIcons.createIcon(analogIcon, color, selected);
  76
  77                 image = (Image) rm.get(icon);
  78                 item.setImage( image );
  79         }
  80
  81         @Override
  82         public void dispose() {
  83                 if (rm != null) rm.dispose();
  84                 super.dispose();
  85         }
  86
  87         @Override
  88         public void widgetSelected(SelectionEvent e) {
  89                 for ( Resource chartItem : chartItems) {
  90                         Session s = Simantics.getSession();
  91                         s.markUndoPoint();
  92                         s.async( new SetChartItemIndexRequest(chartItem, index) );
  93                 }
  94         }
  95
  96         @Override
  97         public void widgetDefaultSelected(SelectionEvent e) {
  98                 widgetSelected(e);
  99         }
 100
 101 }