Mercurial > projects > dwt2
view org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet010MasterDetail.d @ 90:6086085e153d
Added databinding snippets. unmodified java sources.
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 19 Apr 2009 11:33:55 +0200 |
parents | |
children | 5d5bd660917f |
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/******************************************************************************* * Copyright (c) 2007 Brad Reynolds 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: * Brad Reynolds - initial API and implementation * Matthew Hall - bug 260329 ******************************************************************************/ package org.eclipse.jface.examples.databinding.snippets; import java.beans.PropertyChangeListener; import java.beans.PropertyChangeSupport; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.core.databinding.beans.BeansObservables; import org.eclipse.core.databinding.observable.Realm; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.viewers.ViewersObservables; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ListViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; /** * Snippet that displays a simple master detail use case. A list of persons is * displayed in a list and upon selection the name of the selected person will * be displayed in a Text widget. */ public class Snippet010MasterDetail { public static void main(String[] args) { final Display display = new Display(); Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { public void run() { Shell shell = new Shell(display); shell.setLayout(new GridLayout()); Person[] persons = new Person[] { new Person("Me"), new Person("Myself"), new Person("I") }; ListViewer viewer = new ListViewer(shell); viewer.setContentProvider(new ArrayContentProvider()); viewer.setInput(persons); Text name = new Text(shell, SWT.BORDER | SWT.READ_ONLY); // 1. Observe changes in selection. IObservableValue selection = ViewersObservables .observeSingleSelection(viewer); // 2. Observe the name property of the current selection. IObservableValue detailObservable = BeansObservables .observeDetailValue(selection, "name", String.class); // 3. Bind the Text widget to the name detail (selection's // name). new DataBindingContext().bindValue(SWTObservables.observeText( name, SWT.None), detailObservable, new UpdateValueStrategy(false, UpdateValueStrategy.POLICY_NEVER), null); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } } }); display.dispose(); } public static class Person { private String name; private PropertyChangeSupport changeSupport = new PropertyChangeSupport(this); Person(String name) { this.name = name; } public void addPropertyChangeListener(PropertyChangeListener listener) { changeSupport.addPropertyChangeListener(listener); } public void removePropertyChangeListener(PropertyChangeListener listener) { changeSupport.removePropertyChangeListener(listener); } /** * @return Returns the name. */ public String getName() { return name; } public String toString() { return name; } } }