| /******************************************************************************* |
| * Copyright (c) 2008, 2018 Code 9 Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Chris Aniszczyk <zx@code9.com> - initial API and implementation |
| * Boris Bokowski, IBM - minor changes |
| * Simon Scholz <simon.scholz@vogella.com> - Bug 434283 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.examples.databinding.snippets; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.beans.BeanProperties; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.validation.MultiValidator; |
| import org.eclipse.core.databinding.validation.ValidationStatus; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| 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.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.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| |
| /** |
| * This snippet demonstrates how to integrate an external validator |
| * |
| * @since 3.5 |
| */ |
| public class Snippet027ExternalValidator extends WizardPage { |
| |
| private Text nameValue; |
| private Text emailValue; |
| private Text phoneNumberValue; |
| |
| private Contact contact; |
| |
| // 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); |
| } |
| } |
| |
| static class Contact extends AbstractModelObject { |
| String name; |
| String email; |
| String phoneNumber; |
| |
| public Contact(String name, String email, String number) { |
| this.name = name; |
| this.email = email; |
| this.phoneNumber = number; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| String oldValue = this.name; |
| this.name = name; |
| firePropertyChange("name", oldValue, name); |
| } |
| |
| public String getEmail() { |
| return email; |
| } |
| |
| public void setEmail(String email) { |
| String oldValue = this.email; |
| this.email = email; |
| firePropertyChange("email", oldValue, email); |
| } |
| |
| public String getPhoneNumber() { |
| return phoneNumber; |
| } |
| |
| public void setPhoneNumber(String number) { |
| String oldValue = this.phoneNumber; |
| this.phoneNumber = number; |
| firePropertyChange("phoneNumber", oldValue, number); |
| } |
| |
| public IStatus validate() { |
| if (name.indexOf(' ') == -1) { |
| return ValidationStatus |
| .error("Please enter both first and last name separated by a space."); |
| } |
| if (email.indexOf('@') == -1) { |
| return ValidationStatus |
| .error("Please enter a valid email address containing '@'."); |
| } |
| if (!phoneNumber.startsWith("+")) { |
| return ValidationStatus |
| .error("Please enter the phone number in international format starting with '+'."); |
| } |
| return Status.OK_STATUS; |
| } |
| |
| } |
| |
| /** |
| * Create the wizard |
| */ |
| public Snippet027ExternalValidator() { |
| super("snippet024"); |
| setTitle("Snippet 024 - External Validation"); |
| setDescription("Please enter contact details."); |
| } |
| |
| /** |
| * Create contents of the wizard |
| * |
| * @param parent |
| */ |
| @Override |
| public void createControl(Composite parent) { |
| Composite container = new Composite(parent, SWT.NULL); |
| final GridLayout gridLayout = new GridLayout(); |
| gridLayout.numColumns = 2; |
| container.setLayout(gridLayout); |
| setControl(container); |
| |
| final Label nameLabel = new Label(container, SWT.NONE); |
| nameLabel.setText("Name"); |
| |
| nameValue = new Text(container, SWT.BORDER); |
| final GridData gd = new GridData(SWT.FILL, SWT.CENTER, true, false); |
| nameValue.setLayoutData(gd); |
| |
| final Label emailLabel = new Label(container, SWT.NONE); |
| emailLabel.setText("Email"); |
| |
| emailValue = new Text(container, SWT.BORDER); |
| emailValue.setLayoutData(gd); |
| |
| final Label phoneLabel = new Label(container, SWT.NONE); |
| phoneLabel.setText("Phone"); |
| |
| phoneNumberValue = new Text(container, SWT.BORDER); |
| phoneNumberValue.setLayoutData(gd); |
| |
| contact = new Contact("BorisBokowski", "boris.at.somecompany.com", |
| "1-123-456-7890"); |
| |
| bindUI(); |
| } |
| |
| private void bindUI() { |
| DataBindingContext dbc = new DataBindingContext(); |
| |
| final IObservableValue name = BeanProperties.value(contact.getClass(), "name").observe(contact); |
| |
| dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(nameValue), name, |
| null, null); |
| |
| final IObservableValue email = BeanProperties.value(contact.getClass(), "email").observe(contact); |
| |
| dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(emailValue), |
| email, null, null); |
| |
| final IObservableValue phone = BeanProperties.value(contact.getClass(), "phoneNumber").observe(contact); |
| |
| dbc.bindValue(WidgetProperties.text(SWT.Modify).observe(phoneNumberValue), |
| phone, null, null); |
| |
| MultiValidator validator = new MultiValidator() { |
| @Override |
| protected IStatus validate() { |
| |
| // Everything accessed here will trigger re-validation. |
| name.getValue(); |
| email.getValue(); |
| phone.getValue(); |
| |
| System.out.println("Validating..."); |
| |
| return contact.validate(); |
| } |
| }; |
| dbc.addValidationStatusProvider(validator); |
| |
| WizardPageSupport.create(this, dbc); |
| } |
| |
| static class ExternalValidationWizard extends Wizard { |
| @Override |
| public void addPages() { |
| addPage(new Snippet027ExternalValidator()); |
| } |
| |
| @Override |
| public String getWindowTitle() { |
| return "Snippet 024 - External Validation"; |
| } |
| |
| @Override |
| public boolean performFinish() { |
| return true; |
| } |
| } |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| |
| Realm.runWithDefault(DisplayRealm.getRealm(display), () -> { |
| IWizard wizard = new ExternalValidationWizard(); |
| 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(); |
| } |
| } |
| }); |
| |
| display.dispose(); |
| } |
| } |