Mercurial > projects > dwt2
view org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet031JFaceObservable.d @ 115:b31c27b8e86d
Added Phobos implementation of java.lang.String.firstCodePoint.
author | Jacob Carlborg <doob@me.com> |
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date | Sun, 17 Apr 2011 16:53:26 +0200 |
parents | e884642ad36e |
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/******************************************************************************* * Copyright (c) 2008 IBM Corporation 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: * IBM Corporation - initial API and implementation ******************************************************************************/ module org.eclipse.jface.examples.databinding.snippets.Snippet031JFaceObservable; import java.lang.all; import org.eclipse.core.commands.common.EventManager; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.observable.Realm; import org.eclipse.core.databinding.property.value.IValueProperty; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.util.JFaceProperties; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; public class Snippet031JFaceObservable { public static final String NAME_PROPERTY = "name_property"; public static void main(String[] args) { Display display = new Display(); final ViewModel viewModel = new ViewModel(); Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { public void run() { final Shell shell = new View(viewModel).createShell(); // The SWT event loop Display display = Display.getCurrent(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } } }); // Print the results System.out.println("person.getName() = " + viewModel.getPerson().getName()); } // The data model class. This is normally a persistent class of some sort. // // In this example, we extend the EventManager class // to manage our listeners and we fire a property change // event when the object state changes. public static class Person : EventManager { // A property... String name = "HelloWorld"; public String getName() { return name; } public void setName(String name) { fireChange(new PropertyChangeEvent(this, NAME_PROPERTY, this.name, this.name = name)); } public void addPropertyChangeListener(IPropertyChangeListener listener) { addListenerObject(listener); } public void removePropertyChangeListener( IPropertyChangeListener listener) { removeListenerObject(listener); } private void fireChange(PropertyChangeEvent event) { final Object[] list = getListeners(); for (int i = 0; i < list.length; ++i) { ((IPropertyChangeListener) list[i]).propertyChange(event); } } } // The View's model--the root of our Model graph for this particular GUI. // // Typically each View class has a corresponding ViewModel class. // The ViewModel is responsible for getting the objects to edit from the // DAO. Since this snippet doesn't have any persistent objects to // retrieve, this ViewModel just instantiates a model object to edit. static class ViewModel { // The model to bind private Person person = new Person(); public Person getPerson() { return person; } } // The GUI view static class View { private ViewModel viewModel; private Text name; public View(ViewModel viewModel) { this.viewModel = viewModel; } public Shell createShell() { // Build a UI Display display = Display.getDefault(); Shell shell = new Shell(display); shell.setLayout(new RowLayout(SWT.VERTICAL)); name = new Text(shell, SWT.BORDER); // Bind it DataBindingContext bindingContext = new DataBindingContext(); Person person = viewModel.getPerson(); IValueProperty nameProperty = JFaceProperties.value(Person.class, "name", NAME_PROPERTY); bindingContext.bindValue(SWTObservables.observeText(name, SWT.Modify), nameProperty.observe(person), null, null); Label label = new Label(shell, SWT.NONE); bindingContext.bindValue(SWTObservables.observeText(label), nameProperty.observe(person), null, null); // Open and return the Shell shell.pack(); shell.open(); return shell; } } } void main( String[] args ){ Snippet031JFaceObservable.main(args); }