| /******************************************************************************* |
| * Copyright (c) 2006, 2009 The Pampered Chef, Inc. 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: |
| * The Pampered Chef, Inc. - initial API and implementation |
| * Tom Schindl - cell editing |
| * Matthew Hall - bugs 260329, 260337 |
| * Heiko Ahlig - bug 267712 |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.examples.databinding.snippets; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.beans.BeanProperties; |
| import org.eclipse.core.databinding.beans.BeansObservables; |
| import org.eclipse.core.databinding.beans.IBeanValueProperty; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.list.WritableList; |
| import org.eclipse.core.databinding.observable.map.IObservableMap; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.property.Properties; |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.jface.databinding.swt.WidgetProperties; |
| import org.eclipse.jface.databinding.viewers.CellEditorProperties; |
| import org.eclipse.jface.databinding.viewers.ObservableListContentProvider; |
| import org.eclipse.jface.databinding.viewers.ObservableMapCellLabelProvider; |
| import org.eclipse.jface.databinding.viewers.ObservableValueEditingSupport; |
| import org.eclipse.jface.databinding.viewers.ViewersObservables; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TableViewerColumn; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| |
| /** |
| * Demonstrates binding a TableViewer with multiple columns to a collection. |
| */ |
| public class Snippet032TableViewerColumnEditing { |
| public static void main(String[] args) { |
| final Display display = new Display(); |
| Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { |
| public void run() { |
| ViewModel viewModel = new ViewModel(); |
| Shell shell = new View(viewModel).createShell(); |
| |
| // The SWT event loop |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) { |
| display.sleep(); |
| } |
| } |
| } |
| }); |
| } |
| |
| // 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); |
| } |
| } |
| |
| // The data model class. This is normally a persistent class of some sort. |
| static class Person extends AbstractModelObject { |
| // A property... |
| String name; |
| String firstName; |
| |
| public Person(String firstName, String name) { |
| this.name = name; |
| this.firstName = firstName; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| firePropertyChange("name", this.name, this.name = name); |
| } |
| |
| public String getFirstName() { |
| return firstName; |
| } |
| |
| public void setFirstName(String firstName) { |
| firePropertyChange("firstName", this.firstName, |
| this.firstName = firstName); |
| } |
| } |
| |
| // 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 |
| // data access tier. Since this snippet doesn't have any persistent objects |
| // ro retrieve, this ViewModel just instantiates a model object to edit. |
| static class ViewModel { |
| // The model to bind |
| private List people = new LinkedList(); |
| { |
| people.add(new Person("Dave", "Orme")); |
| people.add(new Person("Gili", "Mendel")); |
| people.add(new Person("Joe", "Winchester")); |
| people.add(new Person("Boris", "Bokowski")); |
| people.add(new Person("Brad", "Reynolds")); |
| people.add(new Person("Matthew", "Hall")); |
| } |
| |
| public List getPeople() { |
| return people; |
| } |
| } |
| |
| // The GUI view |
| static class View { |
| private ViewModel viewModel; |
| private Table committers; |
| private Label selectedCommitterName; |
| private Label selectedCommitterFirstName; |
| |
| 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 GridLayout(2, true)); |
| committers = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION); |
| committers.setLinesVisible(true); |
| committers.setHeaderVisible(true); |
| GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true); |
| layoutData.horizontalSpan = 2; |
| committers.setLayoutData(layoutData); |
| |
| GridData fieldLayoutData = new GridData(SWT.FILL, SWT.BEGINNING, |
| true, false); |
| selectedCommitterName = new Label(shell, SWT.NONE); |
| selectedCommitterName.setLayoutData(fieldLayoutData); |
| |
| selectedCommitterFirstName = new Label(shell, SWT.NONE); |
| selectedCommitterFirstName.setLayoutData(fieldLayoutData); |
| |
| DataBindingContext bindingContext = new DataBindingContext(); |
| bindGUI(bindingContext); |
| |
| // Open and return the Shell |
| shell.setSize(250, 300); |
| shell.open(); |
| return shell; |
| } |
| |
| protected void bindGUI(DataBindingContext bindingContext) { |
| // Since we're using a JFace Viewer, we do first wrap our Table... |
| TableViewer peopleViewer = new TableViewer(committers); |
| |
| TableViewerColumn columnName = new TableViewerColumn(peopleViewer, |
| SWT.NONE); |
| columnName.getColumn().setText("Name"); |
| columnName.getColumn().setWidth(100); |
| |
| TableViewerColumn columnFirstName = new TableViewerColumn( |
| peopleViewer, SWT.NONE); |
| columnFirstName.getColumn().setText("FirstName"); |
| columnFirstName.getColumn().setWidth(100); |
| |
| // Bind viewer to model |
| IBeanValueProperty propName = BeanProperties.value(Person.class, |
| "name"); |
| IBeanValueProperty propFirstname = BeanProperties.value( |
| Person.class, "firstName"); |
| |
| IValueProperty cellEditorControlText = CellEditorProperties |
| .control().value(WidgetProperties.text()); |
| |
| columnName.setEditingSupport(ObservableValueEditingSupport.create( |
| peopleViewer, bindingContext, |
| new TextCellEditor(committers), cellEditorControlText, |
| propName)); |
| columnFirstName.setEditingSupport(ObservableValueEditingSupport |
| .create(peopleViewer, bindingContext, new TextCellEditor( |
| committers), cellEditorControlText, propFirstname)); |
| |
| ObservableListContentProvider contentProvider = new ObservableListContentProvider(); |
| peopleViewer.setContentProvider(contentProvider); |
| |
| // Bind the LabelProviders to the model and columns |
| IObservableMap[] result = Properties.observeEach(contentProvider |
| .getKnownElements(), new IBeanValueProperty[] { propName, |
| propFirstname }); |
| |
| columnName.setLabelProvider(new ObservableMapCellLabelProvider( |
| result[0])); |
| columnFirstName |
| .setLabelProvider(new ObservableMapCellLabelProvider( |
| result[1])); |
| |
| peopleViewer.setInput(new WritableList(viewModel.getPeople(), |
| Person.class)); |
| |
| // bind selectedCommitter labels to the name and forname of the |
| // current selection |
| IObservableValue selection = ViewersObservables |
| .observeSingleSelection(peopleViewer); |
| bindingContext.bindValue(SWTObservables |
| .observeText(selectedCommitterName), BeansObservables |
| .observeDetailValue(selection, "name", String.class)); |
| bindingContext.bindValue(SWTObservables |
| .observeText(selectedCommitterFirstName), BeansObservables |
| .observeDetailValue(selection, "firstName", String.class)); |
| } |
| } |
| } |