| /******************************************************************************* |
| * Copyright (c) 2007, 2018 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: |
| * Boris Bokowski, IBM Corporation - initial API and implementation |
| * Matthew Hall - bug 260329 |
| * Simon Scholz <simon.scholz@vogella.com> - Bug 434283 |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.examples.databinding.snippets; |
| |
| import java.util.Date; |
| |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.UpdateValueStrategy; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.observable.value.WritableValue; |
| import org.eclipse.core.databinding.validation.IValidator; |
| import org.eclipse.core.databinding.validation.ValidationStatus; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jface.databinding.swt.DisplayRealm; |
| import org.eclipse.jface.databinding.swt.WidgetProperties; |
| import org.eclipse.jface.databinding.wizard.WizardPageSupport; |
| import org.eclipse.jface.layout.GridLayoutFactory; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.wizard.IWizard; |
| import org.eclipse.jface.wizard.Wizard; |
| import org.eclipse.jface.wizard.WizardDialog; |
| import org.eclipse.jface.wizard.WizardPage; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| |
| /** |
| * Creates and opens a wizard dialog with two simple wizard pages. |
| */ |
| public class Snippet014WizardDialog { |
| |
| static class FirstWizardPage extends WizardPage { |
| private final class SingleDigitValidator implements IValidator<Integer> { |
| @Override |
| public IStatus validate(Integer value) { |
| if (value == null) { |
| return ValidationStatus |
| .info("Please enter a value."); |
| } |
| if (value < 0 || value > 9) { |
| return ValidationStatus.error("Value must be between 0 and 9."); |
| } |
| return ValidationStatus.ok(); |
| } |
| } |
| |
| protected FirstWizardPage() { |
| super("First", "First Page", ImageDescriptor |
| .createFromImage(new Image(Display.getDefault(), 16, 16))); |
| } |
| |
| @Override |
| public void createControl(Composite parent) { |
| DataBindingContext dbc = new DataBindingContext(); |
| WizardPageSupport.create(this, dbc); |
| Composite composite = new Composite(parent, SWT.NONE); |
| Label label = new Label(composite, SWT.NONE); |
| label.setText("Enter a number between 0 and 9:"); |
| Text text = new Text(composite, SWT.BORDER); |
| |
| dbc.bindValue((IObservableValue<String>) WidgetProperties.text(SWT.Modify).observe(text), |
| ((SampleWizard) getWizard()).getModel().intValue, |
| new UpdateValueStrategy<String, Integer>() |
| .setAfterConvertValidator(new SingleDigitValidator()), null); |
| |
| GridLayoutFactory.swtDefaults().numColumns(2).generateLayout( |
| composite); |
| setControl(composite); |
| } |
| } |
| |
| static class SecondWizardPage extends WizardPage { |
| protected SecondWizardPage() { |
| super("Second", "Second Page", ImageDescriptor |
| .createFromImage(new Image(Display.getDefault(), 16, 16))); |
| } |
| |
| @Override |
| public void createControl(Composite parent) { |
| DataBindingContext dbc = new DataBindingContext(); |
| WizardPageSupport.create(this, dbc); |
| Composite composite = new Composite(parent, SWT.NONE); |
| Label label = new Label(composite, SWT.NONE); |
| label.setText("Enter a date:"); |
| Text text = new Text(composite, SWT.BORDER); |
| |
| dbc.bindValue(WidgetProperties.text().observe(text), |
| ((SampleWizard) getWizard()).getModel().dateValue); |
| |
| GridLayoutFactory.swtDefaults().numColumns(2).generateLayout( |
| composite); |
| setControl(composite); |
| } |
| } |
| |
| static class SampleWizardModel { |
| IObservableValue<Integer> intValue = new WritableValue<>(null, Integer.class); |
| IObservableValue<Integer> dateValue = new WritableValue<>(null, Date.class); |
| } |
| |
| static class SampleWizard extends Wizard { |
| |
| private SampleWizardModel model = new SampleWizardModel(); |
| |
| @Override |
| public void addPages() { |
| addPage(new FirstWizardPage()); |
| addPage(new SecondWizardPage()); |
| } |
| |
| public SampleWizardModel getModel() { |
| return model; |
| } |
| |
| @Override |
| public String getWindowTitle() { |
| return "Data Binding Snippet014"; |
| } |
| |
| @Override |
| public boolean performFinish() { |
| return true; |
| } |
| |
| } |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| |
| // note that the "runWithDefault" will be done for you if you are using |
| // the |
| // Workbench as opposed to just JFace/SWT. |
| Realm.runWithDefault(DisplayRealm.getRealm(display), () -> { |
| IWizard wizard = new SampleWizard(); |
| WizardDialog dialog = new WizardDialog(null, wizard); |
| dialog.open(); |
| // The SWT event loop |
| Display display1 = Display.getCurrent(); |
| while (dialog.getShell() != null && !dialog.getShell().isDisposed()) { |
| if (!display1.readAndDispatch()) { |
| display1.sleep(); |
| } |
| } |
| }); |
| } |
| |
| } |