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

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