/*******************************************************************************
* Copyright (c) 2006, 2008 Soyatec (http://www.soyatec.com) and others.
* 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:
* Soyatec - initial API and implementation
*******************************************************************************/
package org.eclipse.e4.xwt.jface;
import java.net.URL;
import java.util.HashMap;
import org.eclipse.core.databinding.AggregateValidationStatus;
import org.eclipse.core.databinding.observable.ChangeEvent;
import org.eclipse.core.databinding.observable.IChangeListener;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.e4.xwt.IConstants;
import org.eclipse.e4.xwt.XWT;
import org.eclipse.e4.xwt.XWTLoader;
import org.eclipse.e4.xwt.databinding.BindingContext;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
/**
*
* @author yyang <yves.yang@soyatec.com>
*/
public class XWTTitleAreaDialog extends TitleAreaDialog {
private Object dataContext;
private BindingContext bindingContext;
private AggregateValidationStatus validationStatus;
private Class<?> contentCLS;
public XWTTitleAreaDialog(Shell parentShell,
Object dataContext, BindingContext bindingContext) {
super(parentShell);
this.dataContext = dataContext;
this.bindingContext = bindingContext;
}
public XWTTitleAreaDialog(Shell parentShell, Class<?> contentCLS,
Object dataContext) {
this(parentShell, contentCLS, dataContext, null);
}
public XWTTitleAreaDialog(Shell parentShell, Class<?> contentCLS,
Object dataContext, BindingContext bindingContext) {
super(parentShell);
this.contentCLS = contentCLS;
this.dataContext = dataContext;
this.bindingContext = bindingContext;
}
@Override
protected Control createDialogArea(Composite parent) {
Control control = super.createDialogArea(parent);
if (bindingContext == null) {
bindingContext = new BindingContext(parent);
}
validationStatus = bindingContext.getStatus();
validationStatus.addChangeListener(new IChangeListener() {
public void handleChange(ChangeEvent event) {
IStatus status = (IStatus) validationStatus.getValue();
setMessage(status.getMessage(), status.getSeverity());
}
});
ClassLoader classLoader = Thread.currentThread()
.getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(
contentCLS.getClassLoader());
HashMap<String, Object> newOptions = new HashMap<String, Object>();
newOptions.put(XWTLoader.CONTAINER_PROPERTY, parent);
Object dataContext = getDataContext();
if (dataContext != null) {
newOptions.put(XWTLoader.DATACONTEXT_PROPERTY, dataContext);
}
BindingContext bindingContext = getBindingContext();
if (bindingContext != null) {
newOptions.put(XWTLoader.BINDING_CONTEXT_PROPERTY,
bindingContext);
}
newOptions.put(XWTLoader.CLASS_PROPERTY, contentCLS);
XWT.loadWithOptions(getContentURL(), newOptions);
GridLayoutFactory.fillDefaults().generateLayout(parent);
parent.layout(true, true);
} catch (Exception e) {
e.printStackTrace();
} finally {
Thread.currentThread().setContextClassLoader(classLoader);
parent.setVisible(true);
}
return control;
}
public URL getContentURL() {
if (contentCLS != null) {
return contentCLS.getResource(contentCLS.getSimpleName()
+ IConstants.XWT_EXTENSION_SUFFIX);
}
return null;
}
public Object getDataContext() {
return dataContext;
}
public BindingContext getBindingContext() {
return bindingContext;
}
}