bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/ButtonSelectionListener.java

   1 package org.simantics.document.swt.core.widget;
   2
   3 import java.util.ArrayList;
   4 import java.util.LinkedHashMap;
   5
   6 import org.eclipse.swt.events.SelectionEvent;
   7 import org.eclipse.swt.events.SelectionListener;
   8 import org.simantics.document.server.IEventCommand;
   9 import org.simantics.document.server.client.WidgetData;
  10 import org.simantics.document.swt.core.SWTDocument;
  11
  12 public class ButtonSelectionListener implements SelectionListener {
  13
  14     private LinkedHashMap<WidgetData, String> data;
  15
  16     public ButtonSelectionListener(LinkedHashMap<WidgetData, String> data) {
  17         this.data = data;
  18     }
  19
  20     @Override
  21     public void widgetSelected(SelectionEvent e) {
  22         widgetDefaultSelected(e);
  23     }
  24
  25     @Override
  26     public void widgetDefaultSelected(SelectionEvent e) {
  27         SWTDocument document = null;
  28         // Build a linked list of commands
  29         ArrayList<IEventCommand> commands = new ArrayList<IEventCommand>();
  30         for(WidgetData d : data.keySet()) {
  31             document = (SWTDocument)d.document; // assume that all widgets are from the same document
  32             IEventCommand p = d.eventCommand(data.get(d));
  33             if(p != null) {
  34                 if(!commands.isEmpty())
  35                     commands.get(commands.size()-1).setNext(p);
  36                 commands.add(p);
  37             }
  38         }
  39
  40         // empty errors
  41 //        if(document != null)
  42 //            document.displayError("");
  43
  44         // Execute the first command, the linked list handles the rest of them
  45         if(!commands.isEmpty())
  46             commands.get(0).handleCommand();
  47
  48     }
  49
  50 }