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/*******************************************************************************
* Copyright (c) 2006, 2007 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.ui.internal.mappings.details;
import java.util.Arrays;
import org.eclipse.emf.common.command.CommandStack;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jpt.core.internal.mappings.IEntity;
import org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage;
import org.eclipse.jpt.ui.internal.details.BaseJpaController;
import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
// TODO get Default updating appropriately based on Entity name default
public class EntityNameCombo extends BaseJpaController
{
private IEntity entity;
private Adapter entityListener;
private CCombo combo;
public EntityNameCombo(Composite parent, CommandStack commandStack, TabbedPropertySheetWidgetFactory widgetFactory) {
super(parent, commandStack, widgetFactory);
buildEntityListener();
}
private void buildEntityListener() {
entityListener = new AdapterImpl() {
public void notifyChanged(Notification notification) {
entityChanged(notification);
}
};
}
@Override
protected void buildWidget(Composite parent) {
combo = this.widgetFactory.createCCombo(parent, SWT.FLAT);
combo.addModifyListener(
new ModifyListener() {
public void modifyText(ModifyEvent e) {
comboModified(e);
}
});
}
private void comboModified(ModifyEvent e) {
if (isPopulating()) {
return;
}
String text = ((CCombo) e.getSource()).getText();
if (text.equals(combo.getItem(0))) {
text = null;
}
entity.setSpecifiedName(text);
// TODO Does this need to be done?
//this.editingDomain.getCommandStack().execute(SetCommand.create(this.editingDomain, this.entity, MappingsPackage.eINSTANCE.getEntity_SpecifiedName(), text));
}
private void entityChanged(Notification notification) {
switch (notification.getFeatureID(IEntity.class)) {
case JpaCoreMappingsPackage.IENTITY__SPECIFIED_NAME :
Display.getDefault().asyncExec(
new Runnable() {
public void run() {
populate();
}
});
break;
case JpaCoreMappingsPackage.IENTITY__DEFAULT_NAME :
Display.getDefault().asyncExec(
new Runnable() {
public void run() {
populate();
}
});
break;
}
}
@Override
protected void engageListeners() {
if (entity != null) {
entity.eAdapters().add(entityListener);
}
}
@Override
protected void disengageListeners() {
if (entity != null) {
entity.eAdapters().remove(entityListener);
}
}
@Override
public void doPopulate(EObject obj) {
entity = (IEntity) obj;
populateCombo();
}
@Override
protected void doPopulate() {
populateCombo();
}
private void populateCombo() {
if (entity == null) {
combo.clearSelection();
combo.setItems(new String[] {});
return;
}
String defaultItem = NLS.bind(JptUiMappingsMessages.EntityGeneralSection_nameDefaultWithOneParam, entity.getDefaultName());
String specifiedName = entity.getSpecifiedName();
if (specifiedName == null) {
setComboData(defaultItem, new String[] {defaultItem});
}
else {
setComboData(specifiedName, new String[] {defaultItem});
}
}
private void setComboData(String text, String[] items) {
if (! Arrays.equals(items, combo.getItems())) {
combo.setItems(items);
}
if (! text.equals(combo.getText())) {
combo.setText(text);
}
}
public CCombo getCombo() {
return combo;
}
@Override
public Control getControl() {
return getCombo();
}
}
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