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/*******************************************************************************
* Copyright (c) 2006, 2010 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.papyrus.xwt.jface;
import java.net.URL;
import java.util.HashMap;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.papyrus.xwt.IXWTLoader;
import org.eclipse.papyrus.xwt.XWT;
import org.eclipse.papyrus.xwt.XWTException;
import org.eclipse.papyrus.xwt.XWTLoader;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
public abstract class AbstractDialog extends Dialog {
protected Object dataContext;
protected String title;
public AbstractDialog(Shell parentShell, String title, Object dataContext) {
super(parentShell);
this.dataContext = dataContext;
this.title = title;
}
@Override
protected Control createDialogArea(Composite parent) {
if (title != null) {
getShell().setText(title);
}
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(getClassLoader());
HashMap<String, Object> newOptions = new HashMap<String, Object>();
initOptions(parent, newOptions);
Object element = XWT.loadWithOptions(getContentURL(), newOptions);
if (!(element instanceof Control)) {
throw new XWTException("Root element must a control.");
}
GridLayoutFactory.fillDefaults().generateLayout(parent);
parent.layout(true, true);
return (Control) element;
} catch (Exception e) {
e.printStackTrace();
} finally {
Thread.currentThread().setContextClassLoader(classLoader);
parent.setVisible(true);
}
return null;
}
protected void initOptions(Composite parent, HashMap<String, Object> newOptions) {
newOptions.put(IXWTLoader.CONTAINER_PROPERTY, parent);
newOptions.put(IXWTLoader.DATACONTEXT_PROPERTY, dataContext);
newOptions.put(IXWTLoader.CLASS_PROPERTY, geCLR());
}
protected abstract URL getContentURL();
protected ClassLoader getClassLoader() {
return this.getClass().getClassLoader();
}
protected Object geCLR() {
return this;
}
}
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