/*******************************************************************************
* 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.model.widgets.panels;
import com.google.gdt.eclipse.designer.model.widgets.WidgetInfo;
import org.eclipse.wb.core.model.ObjectInfo;
import org.eclipse.wb.core.model.broadcast.ObjectInfoPresentationDecorateText;
import org.eclipse.wb.internal.core.model.clipboard.ClipboardCommand;
import org.eclipse.wb.internal.core.model.creation.CreationSupport;
import org.eclipse.wb.internal.core.model.description.ComponentDescription;
import org.eclipse.wb.internal.core.model.property.Property;
import org.eclipse.wb.internal.core.model.util.PropertyUtils;
import org.eclipse.wb.internal.core.utils.ast.AstEditor;
import org.eclipse.wb.internal.core.utils.execution.ExecutionUtils;
import org.eclipse.wb.internal.core.utils.execution.RunnableObjectEx;
import org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils;
import java.util.List;
/**
* Model for GWT <code>com.google.gwt.user.client.ui.DockPanel</code>.
*
* @author scheglov_ke
* @coverage gwt.model
*/
public final class DockPanelInfo extends CellPanelInfo implements IDockPanelInfo<WidgetInfo> {
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public DockPanelInfo(AstEditor editor,
ComponentDescription description,
CreationSupport creationSupport) throws Exception {
super(editor, description, creationSupport);
// decorate Widget's text with direction
addBroadcastListener(new ObjectInfoPresentationDecorateText() {
public void invoke(ObjectInfo object, String[] text) throws Exception {
if (object instanceof WidgetInfo && object.getParent() == DockPanelInfo.this) {
String directionText = getDirection((WidgetInfo) object);
text[0] = directionText + " - " + text[0];
}
}
});
}
////////////////////////////////////////////////////////////////////////////
//
// Direction
//
////////////////////////////////////////////////////////////////////////////
public boolean hasCenterWidget() {
return ExecutionUtils.runObjectIgnore(new RunnableObjectEx<Boolean>() {
public Boolean runObject() throws Exception {
for (WidgetInfo widget : getChildrenWidgets()) {
String direction = getDirection(widget);
if ("CENTER".equals(direction)) {
return true;
}
}
return false;
}
}, false);
}
/**
* @return the name of direction field.
*/
private static String getDirection(WidgetInfo widget) throws Exception {
Property directionProperty = widget.getPropertyByTitle("Direction");
return PropertyUtils.getText(directionProperty);
}
public final void setDirection(WidgetInfo widget, String directionField) throws Exception {
Property directionProperty = widget.getPropertyByTitle("Direction");
if (directionProperty != null) {
Object direction = getDirectionValue(directionField);
directionProperty.setValue(direction);
}
}
private Object getDirectionValue(String directionField) {
Class<?> panelClass = getDescription().getComponentClass();
return ReflectionUtils.getFieldObject(panelClass, directionField);
}
////////////////////////////////////////////////////////////////////////////
//
// Clipboard
//
////////////////////////////////////////////////////////////////////////////
@Override
protected void clipboardCopy_addWidgetCommands(WidgetInfo widget, List<ClipboardCommand> commands)
throws Exception {
final String directionField = getDirection(widget);
commands.add(new PanelClipboardCommand<DockPanelInfo>(widget) {
private static final long serialVersionUID = 0L;
@Override
protected void add(DockPanelInfo panel, WidgetInfo widget) throws Exception {
panel.command_CREATE2(widget, null);
panel.setDirection(widget, directionField);
}
});
}
}