bundles/org.eclipse.e4.tools.emf.editor3x/src/org/eclipse/e4/tools/emf/editor3x/wizard/NewHandlerClassWizard.java

/*******************************************************************************
 * Copyright (c) 2010 BestSolution.at 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:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 ******************************************************************************/
package org.eclipse.e4.tools.emf.editor3x.wizard;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.e4.tools.emf.editor3x.templates.HandlerTemplate;
import org.eclipse.e4.tools.emf.editor3x.wizard.AbstractNewClassPage.JavaClass;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

public class NewHandlerClassWizard extends AbstractNewClassWizard {
	@Override
	protected String getContent() {
		HandlerTemplate template = new HandlerTemplate();
		return template.generate(getDomainClass());
	}
	
	@Override
	public void addPages() {
		addPage(new AbstractNewClassPage("Classinformation",
				"New Handler",
				"Create a new handler class", root, ResourcesPlugin.getWorkspace().getRoot()) {

			@Override
			protected JavaClass createInstance() {
				return new HandlerClass(root);
			}

			@Override
			protected void createFields(Composite parent, DataBindingContext dbc) {
				IWidgetValueProperty textProp = WidgetProperties
						.text(SWT.Modify);

				{
					Label l = new Label(parent, SWT.NONE);
					l.setText("Execute Method");
					l.setLayoutData(new GridData(GridData.END, GridData.CENTER,
							false, false));

					Text t = new Text(parent, SWT.BORDER);
					t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
					dbc.bindValue(
							textProp.observe(t),
							BeanProperties.value("executeMethodName").observe(
									getClazz()));

					l = new Label(parent, SWT.NONE);
				}

				{
					Label l = new Label(parent, SWT.NONE);
					l.setText("Can-Execute Method");
					l.setLayoutData(new GridData(GridData.END, GridData.CENTER,
							false, false));

					Text t = new Text(parent, SWT.BORDER);
					t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
					dbc.bindValue(textProp.observe(t),
							BeanProperties.value("canExecuteMethodName")
									.observe(getClazz()));
					dbc.bindValue(
							WidgetProperties.enabled().observe(t),
							BeanProperties.value("useCanExecute").observe(
									getClazz()));

					Button b = new Button(parent, SWT.CHECK);
					dbc.bindValue(
							WidgetProperties.selection().observe(b),
							BeanProperties.value("useCanExecute").observe(
									getClazz()));
				}
			}
		});
	}
	
	

	public static class HandlerClass extends JavaClass {
		private String executeMethodName = "execute";
		private String canExecuteMethodName = "canExecute";
		private boolean useCanExecute = false;

		public HandlerClass(IPackageFragmentRoot root) {
			super(root);
		}

		public String getExecuteMethodName() {
			return executeMethodName;
		}

		public void setExecuteMethodName(String executeMethodName) {
			support.firePropertyChange("executeMethodName",
					this.executeMethodName,
					this.executeMethodName = executeMethodName);
		}

		public String getCanExecuteMethodName() {
			return canExecuteMethodName;
		}

		public void setCanExecuteMethodName(String canExecuteMethodName) {
			support.firePropertyChange("canExecuteMethodName",
					this.canExecuteMethodName,
					this.canExecuteMethodName = canExecuteMethodName);
		}

		public boolean isUseCanExecute() {
			return useCanExecute;
		}

		public void setUseCanExecute(boolean useCanExecute) {
			support.firePropertyChange("useCanExecute", this.useCanExecute,
					this.useCanExecute = useCanExecute);
		}
	}
}