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

   1 package org.simantics.document.swt.core.widget;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.Collections;\r
   5 import java.util.HashSet;\r
   6 import java.util.LinkedHashMap;\r
   7 import java.util.List;\r
   8 import java.util.Map;\r
   9 \r
  10 import org.eclipse.swt.SWT;\r
  11 import org.eclipse.swt.events.SelectionListener;\r
  12 import org.eclipse.swt.widgets.Button;\r
  13 import org.eclipse.swt.widgets.Composite;\r
  14 import org.simantics.document.server.IEventCommand;\r
  15 import org.simantics.document.server.JSONObject;\r
  16 import org.simantics.document.server.bean.Command;\r
  17 import org.simantics.document.server.client.CommandManager;\r
  18 import org.simantics.document.server.client.WidgetData;\r
  19 import org.simantics.document.server.handler.AbstractEventHandler;\r
  20 import org.simantics.document.server.handler.EventHandler;\r
  21 import org.simantics.document.swt.core.SWTDocument;\r
  22 import org.simantics.document.swt.core.base.LeafWidgetManager;\r
  23 import org.simantics.document.swt.core.base.PostEventCommand;\r
  24 import org.simantics.document.swt.core.base.WidgetContainer;\r
  25 \r
  26 public class ButtonWidget extends LeafWidgetManager<Button> {\r
  27 \r
  28         @Override\r
  29         protected void doUpdateProperties(SWTDocument document, Button control, JSONObject object) {\r
  30 \r
  31                 if(control.isDisposed()) return;\r
  32                 \r
  33                 String text = object.getJSONField("text");\r
  34                 \r
  35                 control.setText(text);\r
  36                 \r
  37                 document.layout();\r
  38                 \r
  39         }\r
  40     \r
  41         @Override\r
  42         protected Button doCreateControl(final SWTDocument document, Composite parent, final JSONObject object) {\r
  43 \r
  44                 final Button label = new Button(parent, SWT.NONE);\r
  45                 \r
  46 //              final EventHandler onPress = object.getJSONField("onPress");\r
  47 //              label.addSelectionListener(new );\r
  48 \r
  49                 return label;\r
  50         }\r
  51         \r
  52     public static class ButtonCommandManager implements CommandManager<SWTDocument, WidgetContainer<Button>> {\r
  53 \r
  54         @Override\r
  55         public Collection<Object> updateCommandListeners(final SWTDocument document, final JSONObject object,\r
  56                 WidgetContainer<Button> container) {\r
  57             \r
  58             List<Command> commands = object.getJSONField("commands");\r
  59             HashSet<Object> listeners = new HashSet<Object>();\r
  60             LinkedHashMap<WidgetData, String> data = new LinkedHashMap<WidgetData, String>();\r
  61             if(commands != null) {\r
  62                     for(Command c : commands) {\r
  63                         if(c.getCommand() == null || c.getTargetId() == null || c.getTrigger() == null)\r
  64                             continue;\r
  65                         String trigger = c.getTrigger();\r
  66                         if("click".equals(trigger)) {\r
  67                             WidgetData wd = document.getWidgetData().get(c.getTargetId());\r
  68                             if(wd != null)\r
  69                                 data.put(wd, c.getCommand());\r
  70                         }\r
  71                     }\r
  72             }\r
  73             data.put(document.getWidgetData().get(object.getId()), "onPress");\r
  74             SelectionListener listener = new ButtonSelectionListener(data);\r
  75             Button button = container.getControl();\r
  76             if(!button.isDisposed()) {\r
  77                 button.addSelectionListener(listener);\r
  78                 listeners.add(listener);\r
  79             }\r
  80             \r
  81             return listeners;\r
  82             \r
  83         }\r
  84 \r
  85         @Override\r
  86         public void removeListener(WidgetContainer<Button> container, Object listener) {\r
  87                 if(container.getControl().isDisposed()) return;\r
  88             if(listener instanceof SelectionListener)\r
  89                 container.getControl().removeSelectionListener((SelectionListener) listener);\r
  90         }\r
  91 \r
  92     }\r
  93 \r
  94     @Override\r
  95     public IEventCommand eventCommand(SWTDocument document, JSONObject object, WidgetContainer widget, String command) {\r
  96         if("onPress".equals(command)) {\r
  97             AbstractEventHandler onPress = object.getJSONField("onPress");\r
  98             Map<String, String> data = Collections.emptyMap();\r
  99             return new PostEventCommand(document, onPress, data);\r
 100         }\r
 101         return null;\r
 102     }   \r
 103         \r
 104 }\r