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/*******************************************************************************
* Copyright (c) 2007 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
*******************************************************************************/
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.SWTObservables;
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 {
public IStatus validate(Object value) {
Integer i = (Integer) value;
if (i == null) {
return ValidationStatus
.info("Please enter a value.");
}
if (i.intValue() < 0 || i.intValue() > 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)));
}
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(
SWTObservables.observeText(text, SWT.Modify),
((SampleWizard) getWizard()).getModel().intValue,
new UpdateValueStrategy().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)));
}
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(
SWTObservables.observeText(text, SWT.Modify),
((SampleWizard) getWizard()).getModel().dateValue);
GridLayoutFactory.swtDefaults().numColumns(2).generateLayout(
composite);
setControl(composite);
}
}
static class SampleWizardModel {
IObservableValue intValue = new WritableValue(null, Integer.class);
IObservableValue dateValue = new WritableValue(null, Date.class);
}
static class SampleWizard extends Wizard {
private SampleWizardModel model = new SampleWizardModel();
public void addPages() {
addPage(new FirstWizardPage());
addPage(new SecondWizardPage());
}
public SampleWizardModel getModel() {
return model;
}
public String getWindowTitle() {
return "Data Binding Snippet014";
}
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(SWTObservables.getRealm(display), new Runnable() {
public void run() {
IWizard wizard = new SampleWizard();
WizardDialog dialog = new WizardDialog(null, wizard);
dialog.open();
// The SWT event loop
Display display = Display.getCurrent();
while (dialog.getShell() != null
&& !dialog.getShell().isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
}
});
}
}
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