/*******************************************************************************
* Copyright 2011 Google Inc. All Rights Reserved.
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
package com.google.gdt.eclipse.designer.gxt.gef;
import com.google.common.collect.ImmutableList;
import com.google.gdt.eclipse.designer.gxt.model.widgets.menu.ItemInfo;
import com.google.gdt.eclipse.designer.gxt.model.widgets.menu.MenuBarInfo;
import com.google.gdt.eclipse.designer.gxt.model.widgets.menu.MenuBarItemInfo;
import com.google.gdt.eclipse.designer.gxt.model.widgets.menu.MenuInfo;
import org.eclipse.wb.core.gef.MatchingEditPartFactory;
import org.eclipse.wb.core.gef.part.menu.MenuEditPartFactory;
import org.eclipse.wb.core.model.JavaInfo;
import org.eclipse.wb.gef.core.EditPart;
import org.eclipse.wb.gef.core.IEditPartFactory;
import org.eclipse.wb.internal.core.model.menu.IMenuInfo;
import org.eclipse.wb.internal.core.model.menu.IMenuItemInfo;
import org.eclipse.wb.internal.core.model.menu.IMenuPopupInfo;
import org.eclipse.wb.internal.core.model.menu.MenuObjectInfoUtils;
/**
* {@link IEditPartFactory} for Ext-GWT widgets.
*
* @author scheglov_ke
* @coverage ExtGWT.gef
*/
public final class EditPartFactory implements IEditPartFactory {
private final IEditPartFactory[] FACTORIES = {MENU_FACTORY, MATCHING_FACTORY};
private final static IEditPartFactory MATCHING_FACTORY =
new MatchingEditPartFactory(ImmutableList.of("com.google.gdt.eclipse.designer.gxt.model.widgets"),
ImmutableList.of("com.google.gdt.eclipse.designer.gxt.gef.part"));
////////////////////////////////////////////////////////////////////////////
//
// IEditPartFactory
//
////////////////////////////////////////////////////////////////////////////
public EditPart createEditPart(EditPart context, Object model) {
// use generic EditPart for placeholders
if (model instanceof JavaInfo) {
JavaInfo javaInfo = (JavaInfo) model;
if (javaInfo.isPlaceholder()) {
return null;
}
}
// ask factories
for (IEditPartFactory factory : FACTORIES) {
EditPart editPart = factory.createEditPart(null, model);
if (editPart != null) {
return editPart;
}
}
// no
return null;
}
////////////////////////////////////////////////////////////////////////////
//
// Factories
//
////////////////////////////////////////////////////////////////////////////
private static final IEditPartFactory MENU_FACTORY = new IEditPartFactory() {
public EditPart createEditPart(EditPart context, Object model) {
if (model instanceof MenuBarInfo) {
MenuBarInfo menu = (MenuBarInfo) model;
IMenuInfo menuObject = MenuObjectInfoUtils.getMenuInfo(menu);
return MenuEditPartFactory.createMenu(menu, menuObject);
}
if (model instanceof MenuBarItemInfo) {
MenuBarItemInfo item = (MenuBarItemInfo) model;
IMenuItemInfo itemObject = MenuObjectInfoUtils.getMenuItemInfo(item);
return MenuEditPartFactory.createMenuItem(item, itemObject);
}
if (model instanceof MenuInfo) {
MenuInfo menu = (MenuInfo) model;
if (menu.isSubMenu()) {
IMenuInfo menuObject = MenuObjectInfoUtils.getMenuInfo(menu);
return MenuEditPartFactory.createMenu(menu, menuObject);
} else {
IMenuPopupInfo popupObject = MenuObjectInfoUtils.getMenuPopupInfo(menu);
return MenuEditPartFactory.createPopupMenu(menu, popupObject);
}
}
if (model instanceof ItemInfo) {
ItemInfo item = (ItemInfo) model;
IMenuItemInfo itemObject = MenuObjectInfoUtils.getMenuItemInfo(item);
return MenuEditPartFactory.createMenuItem(item, itemObject);
}
if (model instanceof IMenuInfo) {
IMenuInfo menu = (IMenuInfo) model;
return MenuEditPartFactory.createMenu(menu, menu);
}
return null;
}
};
}