| /******************************************************************************* |
| * Copyright (c) 2009 Matthew Hall 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: |
| * Matthew Hall - initial API and implementation (bug 175735) |
| * Matthew Hall - bugs 262407, 260337 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.examples.databinding.snippets; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.databinding.beans.BeanProperties; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.property.list.IListProperty; |
| import org.eclipse.core.databinding.property.list.MultiListProperty; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider; |
| import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class Snippet029TreeViewerMultiListProperty { |
| protected Shell shell; |
| private TreeViewer viewer; |
| |
| /** |
| * Launch the application |
| * |
| * @param args |
| */ |
| public static void main(String[] args) { |
| try { |
| Snippet029TreeViewerMultiListProperty window = new Snippet029TreeViewerMultiListProperty(); |
| window.open(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| /** |
| * Open the window |
| */ |
| public void open() { |
| final Display display = Display.getDefault(); |
| Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { |
| public void run() { |
| createContents(); |
| shell.open(); |
| shell.layout(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| } |
| }); |
| } |
| |
| protected void createContents() { |
| shell = new Shell(); |
| shell.setSize(509, 375); |
| shell.setText("Snippet028DuplexingObservableValue.java"); |
| final GridLayout gridLayout = new GridLayout(); |
| gridLayout.makeColumnsEqualWidth = true; |
| gridLayout.numColumns = 4; |
| shell.setLayout(new FillLayout()); |
| |
| viewer = new TreeViewer(shell, SWT.FULL_SELECTION | SWT.MULTI |
| | SWT.BORDER); |
| |
| bindUI(); |
| } |
| |
| // Minimal JavaBeans support |
| public static abstract class AbstractModelObject { |
| private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport( |
| this); |
| |
| public void addPropertyChangeListener(PropertyChangeListener listener) { |
| propertyChangeSupport.addPropertyChangeListener(listener); |
| } |
| |
| public void addPropertyChangeListener(String propertyName, |
| PropertyChangeListener listener) { |
| propertyChangeSupport.addPropertyChangeListener(propertyName, |
| listener); |
| } |
| |
| public void removePropertyChangeListener(PropertyChangeListener listener) { |
| propertyChangeSupport.removePropertyChangeListener(listener); |
| } |
| |
| public void removePropertyChangeListener(String propertyName, |
| PropertyChangeListener listener) { |
| propertyChangeSupport.removePropertyChangeListener(propertyName, |
| listener); |
| } |
| |
| protected void firePropertyChange(String propertyName, Object oldValue, |
| Object newValue) { |
| propertyChangeSupport.firePropertyChange(propertyName, oldValue, |
| newValue); |
| } |
| } |
| |
| public static class Catalog extends AbstractModelObject { |
| private String name; |
| private List catalogs = new ArrayList(); |
| private List items = new ArrayList(); |
| |
| public Catalog(String name) { |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| firePropertyChange("name", this.name, this.name = name); |
| } |
| |
| public List getCatalogs() { |
| return catalogs; |
| } |
| |
| public void setCatalogs(List catalogs) { |
| firePropertyChange("catalogs", this.catalogs, |
| this.catalogs = catalogs); |
| } |
| |
| public List getItems() { |
| return items; |
| } |
| |
| public void setItems(List items) { |
| firePropertyChange("items", this.items, this.items = items); |
| } |
| } |
| |
| public static class CatalogItem extends AbstractModelObject { |
| private String name; |
| |
| public CatalogItem(String name) { |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| firePropertyChange("name", this.name, this.name = name); |
| } |
| } |
| |
| private void bindUI() { |
| List items; |
| |
| Catalog fruits = new Catalog("Fruits"); |
| items = new ArrayList(); |
| items.add(new CatalogItem("Apple")); |
| items.add(new CatalogItem("Orange")); |
| fruits.setCatalogs(items); |
| |
| Catalog vegetables = new Catalog("Vegetables"); |
| items = new ArrayList(); |
| items.add(new CatalogItem("Peas")); |
| items.add(new CatalogItem("Carrots")); |
| items.add(new CatalogItem("Potatoes")); |
| vegetables.setItems(items); |
| |
| Catalog foods = new Catalog("Foods"); |
| items = new ArrayList(); |
| items.add(fruits); |
| items.add(vegetables); |
| foods.setCatalogs(items); |
| |
| items = new ArrayList(); |
| items.add(new CatalogItem("Own Hand")); |
| foods.setItems(items); |
| |
| Catalog catalog = new Catalog("Main Catalog"); |
| items = new ArrayList(); |
| items.add(foods); |
| catalog.setCatalogs(items); |
| |
| IListProperty childrenProperty = new MultiListProperty( |
| new IListProperty[] { BeanProperties.list("catalogs"), |
| BeanProperties.list("items") }); |
| |
| ObservableListTreeContentProvider contentProvider = new ObservableListTreeContentProvider( |
| childrenProperty.listFactory(), null); |
| viewer.setContentProvider(contentProvider); |
| |
| ObservableMapLabelProvider labelProvider = new ObservableMapLabelProvider( |
| BeanProperties.value("name").observeDetail( |
| contentProvider.getKnownElements())) { |
| Image catalogImage = createCatalogImage(); |
| Image catalogItemImage = createCatalogItemImage(); |
| |
| public Image getImage(Object element) { |
| if (element instanceof Catalog) |
| return catalogImage; |
| if (element instanceof CatalogItem) |
| return catalogItemImage; |
| return super.getImage(element); |
| } |
| |
| public void dispose() { |
| catalogImage.dispose(); |
| catalogItemImage.dispose(); |
| super.dispose(); |
| } |
| |
| private Image createCatalogImage() { |
| Display display = Display.getCurrent(); |
| Image catalogImage = new Image(display, 12, 12); |
| GC gc = new GC(catalogImage); |
| gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN)); |
| gc.fillArc(1, 1, 10, 10, 0, 360); |
| gc.dispose(); |
| return catalogImage; |
| } |
| |
| private Image createCatalogItemImage() { |
| Display display = Display.getCurrent(); |
| Image catalogImage = new Image(display, 12, 12); |
| GC gc = new GC(catalogImage); |
| gc.setBackground(display.getSystemColor(SWT.COLOR_CYAN)); |
| gc.fillPolygon(new int[] { 1, 10, 5, 1, 6, 1, 10, 10, 1, 10 }); |
| gc.dispose(); |
| return catalogImage; |
| } |
| }; |
| viewer.setLabelProvider(labelProvider); |
| |
| viewer.setInput(catalog); |
| } |
| } |