/*******************************************************************************
* 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.mobile.device.command;
import com.google.gdt.eclipse.designer.mobile.device.DeviceManager;
import com.google.gdt.eclipse.designer.mobile.device.model.AbstractDeviceInfo;
import com.google.gdt.eclipse.designer.mobile.device.model.CategoryInfo;
import com.google.gdt.eclipse.designer.mobile.device.model.DeviceInfo;
import org.xml.sax.Attributes;
import java.util.Iterator;
import java.util.List;
/**
* {@link Command} changing {@link AbstractDeviceInfo} "visible" property.
*
* @author scheglov_ke
* @coverage gwt.mobile.device
*/
public final class ElementVisibilityCommand extends Command {
public static final String ID = "visible";
private final String m_id;
private final boolean m_visible;
////////////////////////////////////////////////////////////////////////////
//
// Constructors
//
////////////////////////////////////////////////////////////////////////////
public ElementVisibilityCommand(AbstractDeviceInfo element, boolean visible) {
m_id = element.getId();
m_visible = visible;
}
public ElementVisibilityCommand(Attributes attributes) {
m_id = attributes.getValue("id");
m_visible = "true".equals(attributes.getValue("visible"));
}
////////////////////////////////////////////////////////////////////////////
//
// Execute
//
////////////////////////////////////////////////////////////////////////////
@Override
public void execute() {
// try category
{
CategoryInfo category = DeviceManager.getCategory(m_id);
if (category != null) {
category.setVisible(m_visible);
}
}
// try device
{
DeviceInfo device = DeviceManager.getDevice(m_id);
if (device != null) {
device.setVisible(m_visible);
}
}
}
////////////////////////////////////////////////////////////////////////////
//
// Save
//
////////////////////////////////////////////////////////////////////////////
@Override
protected void addAttributes() {
super.addAttributes();
addAttribute("id", m_id);
addAttribute("visible", m_visible);
}
@Override
public void addToCommandList(List<Command> commands) {
for (Iterator<Command> I = commands.iterator(); I.hasNext();) {
Command command = I.next();
if (command instanceof ElementVisibilityCommand) {
ElementVisibilityCommand elementVisibilityCommand = (ElementVisibilityCommand) command;
if (elementVisibilityCommand.m_id.equals(m_id)) {
I.remove();
}
}
}
commands.add(this);
}
}