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

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