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