Java tutorial
/******************************************************************************* * Copyright (c) 2013 Marco Descher <marco@descher.at>. * 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: * Marco Descher <marco@descher.at> - initial API and implementation ******************************************************************************/ package at.medevit.menus.dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; import at.medevit.menus.Gender; import at.medevit.menus.Person; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.widgets.Label; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.emf.databinding.EMFObservables; import at.medevit.menus.MenusPackage.Literals; import org.eclipse.core.databinding.beans.PojoProperties; import org.eclipse.swt.widgets.Combo; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.databinding.swt.WidgetProperties; public class AddPersonDialog extends TitleAreaDialog { private DataBindingContext m_bindingContext; private Person person; private Text txtFirstname; private Text txtLastname; private Combo comboGender; /** * Create the dialog. * @param parentShell */ public AddPersonDialog(Shell parentShell) { super(parentShell); } /** * Create contents of the dialog. * @param parent */ @Override protected Control createDialogArea(Composite parent) { setMessage("Add a new person to the system."); setTitle("Add person"); Composite area = (Composite) super.createDialogArea(parent); Composite container = new Composite(area, SWT.NONE); container.setLayout(new GridLayout(2, false)); container.setLayoutData(new GridData(GridData.FILL_BOTH)); txtFirstname = new Text(container, SWT.BORDER); txtFirstname.setMessage("firstname"); txtFirstname.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); txtLastname = new Text(container, SWT.BORDER); txtLastname.setMessage("lastname"); txtLastname.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); ComboViewer comboViewer = new ComboViewer(container, SWT.NONE); comboGender = comboViewer.getCombo(); comboGender.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); comboViewer.setContentProvider(ArrayContentProvider.getInstance()); comboViewer.setInput(Gender.VALUES); comboViewer.setSelection(new StructuredSelection(Gender.MALE)); new Label(container, SWT.NONE); return area; } /** * Create contents of the button bar. * @param parent */ @Override protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); m_bindingContext = initDataBindings(); } /** * Return the initial size of the dialog. */ @Override protected Point getInitialSize() { return new Point(450, 300); } public void setPerson(Person newPerson) { this.person = newPerson; } protected DataBindingContext initDataBindings() { DataBindingContext bindingContext = new DataBindingContext(); // IObservableValue personFirstnameObserveValue = EMFObservables.observeValue(person, Literals.PERSON__FIRSTNAME); IObservableValue textTxtFirstnameObserveValue = PojoProperties.value("text").observe(txtFirstname); bindingContext.bindValue(personFirstnameObserveValue, textTxtFirstnameObserveValue, null, null); // IObservableValue personLastnameObserveValue = EMFObservables.observeValue(person, Literals.PERSON__LASTNAME); IObservableValue textTxtLastnameObserveValue = PojoProperties.value("text").observe(txtLastname); bindingContext.bindValue(personLastnameObserveValue, textTxtLastnameObserveValue, null, null); // IObservableValue observeSelectionComboGenderObserveWidget = WidgetProperties.selection() .observe(comboGender); IObservableValue personSexObserveValue = EMFObservables.observeValue(person, Literals.PERSON__SEX); bindingContext.bindValue(observeSelectionComboGenderObserveWidget, personSexObserveValue, null, null); // return bindingContext; } }