/*******************************************************************************
* Copyright (c) 2008 Olivier Moises
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Olivier Moises- initial API and implementation
*******************************************************************************/
package org.eclipse.wazaabi.engine.swt.snippets;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.wazaabi.engine.swt.nonosgi.SWTHelper;
import org.eclipse.wazaabi.engine.swt.viewers.SWTControlViewer;
import org.eclipse.wazaabi.locationpaths.nonosgi.LocationPathsHelper;
import org.eclipse.wazaabi.locator.urn.java.nonosgi.URNJavaLocatorHelper;
import org.eclipse.wazaabi.mm.core.styles.StringRule;
import org.eclipse.wazaabi.mm.core.widgets.Container;
import org.eclipse.wazaabi.mm.core.widgets.CoreWidgetsFactory;
import org.eclipse.wazaabi.mm.core.widgets.PushButton;
import org.eclipse.wazaabi.mm.core.widgets.TextComponent;
import org.eclipse.wazaabi.mm.edp.events.EDPEventsFactory;
import org.eclipse.wazaabi.mm.edp.events.Event;
import org.eclipse.wazaabi.mm.edp.events.PropertyChangedEvent;
import org.eclipse.wazaabi.mm.edp.handlers.Action;
import org.eclipse.wazaabi.mm.edp.handlers.Binding;
import org.eclipse.wazaabi.mm.edp.handlers.EDPHandlersFactory;
import org.eclipse.wazaabi.mm.edp.handlers.EventHandler;
import org.eclipse.wazaabi.mm.edp.handlers.StringParameter;
import org.eclipse.wazaabi.mm.swt.styles.RowLayoutRule;
import org.eclipse.wazaabi.mm.swt.styles.SWTStylesFactory;
public class CircularTwoWaysBindingToContextObject {
public static void main(String[] args) {
// create the shell
Display display = new Display();
Shell mainShell = new Shell(display, SWT.SHELL_TRIM);
mainShell.setLayout(new FillLayout());
mainShell.setSize(300, 300);
// create the viewer
SWTControlViewer viewer = new SWTControlViewer(mainShell);
// initialize SWT Engine in standalone mode
SWTHelper.init(viewer);
// initialize the 'urn:java' resolver
URNJavaLocatorHelper.init(viewer);
// initialize the locationPaths processor
LocationPathsHelper.init(viewer);
// create a container and set its layout
Container container = CoreWidgetsFactory.eINSTANCE.createContainer();
RowLayoutRule layoutRule = SWTStylesFactory.eINSTANCE
.createRowLayoutRule();
layoutRule.setPropertyName("layout");
container.getStyleRules().add(layoutRule);
// create two TextComponents
TextComponent text1 = CoreWidgetsFactory.eINSTANCE
.createTextComponent();
text1.setText("value ....");
TextComponent text2 = CoreWidgetsFactory.eINSTANCE
.createTextComponent();
text2.setText("....");
PushButton button = CoreWidgetsFactory.eINSTANCE.createPushButton();
StringRule textRule = org.eclipse.wazaabi.mm.core.styles.CoreStylesFactory.eINSTANCE
.createStringRule();
textRule.setPropertyName("text");//$NON-NLS-1$
textRule.setValue("Change context...");//$NON-NLS-1$
button.getStyleRules().add(textRule);
EventHandler eventHandler = EDPHandlersFactory.eINSTANCE.createEventHandler();
button.getHandlers().add(eventHandler);
Action action = EDPHandlersFactory.eINSTANCE.createAction();
action.setUri("urn:java:org.eclipse.wazaabi.engine.swt.snippets.handlers.TwoWaysBindingToContextObjectAction");
eventHandler.getExecutables().add(action);
Event selectionEvent = EDPEventsFactory.eINSTANCE.createEvent();
eventHandler.getEvents().add(selectionEvent);
selectionEvent.setId("core:ui:selection");
final EAttribute attr = EcoreFactory.eINSTANCE.createEAttribute();
attr.setName("hello");
container.set("contextObject", attr);
attr.eAdapters().add(new AdapterImpl() {
@Override
public void notifyChanged(Notification msg) {
if (msg.getFeature() instanceof EAttribute
&& "name".equals(((EAttribute) msg.getFeature())
.getName()))
System.out.println("name changed " + attr.getName());
}
});
// append textComponents to container's children list.
container.getChildren().add(text1);
container.getChildren().add(text2);
container.getChildren().add(button);
Binding uiToDomainBinding = EDPHandlersFactory.eINSTANCE
.createBinding();
StringParameter source = EDPHandlersFactory.eINSTANCE
.createStringParameter();
StringParameter target = EDPHandlersFactory.eINSTANCE
.createStringParameter();
source.setName("source");
source.setValue("@text");
target.setName("target");
target.setValue("$contextObject/@name");
uiToDomainBinding.getParameters().add(source);
uiToDomainBinding.getParameters().add(target);
PropertyChangedEvent propertyChangeEvent1 = EDPEventsFactory.eINSTANCE
.createPropertyChangedEvent();
propertyChangeEvent1.setPath("@text");
uiToDomainBinding.getEvents().add(propertyChangeEvent1);
text1.getHandlers().add(uiToDomainBinding);
Binding domainToUiBinding = EDPHandlersFactory.eINSTANCE
.createBinding();
source = EDPHandlersFactory.eINSTANCE.createStringParameter();
target = EDPHandlersFactory.eINSTANCE.createStringParameter();
source.setName("source");
source.setValue("$contextObject/@name");
target.setName("target");
target.setValue("@text");
domainToUiBinding.getParameters().add(source);
domainToUiBinding.getParameters().add(target);
PropertyChangedEvent propertyChangeEvent2 = EDPEventsFactory.eINSTANCE
.createPropertyChangedEvent();
propertyChangeEvent2.setPath("$contextObject/@name");
domainToUiBinding.getEvents().add(propertyChangeEvent2);
text1.getHandlers().add(domainToUiBinding);
// Set the content
viewer.setContents(container);
mainShell.open();
while (!mainShell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}