/*******************************************************************************
* 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.gef.policy.grid.header.selection;
import com.google.common.collect.Lists;
import com.google.gdt.eclipse.designer.gef.policy.grid.header.edit.DimensionHeaderEditPart;
import com.google.gdt.eclipse.designer.model.widgets.panels.grid.DimensionInfo;
import com.google.gdt.eclipse.designer.model.widgets.panels.grid.HTMLTableInfo;
import org.eclipse.wb.core.gef.header.AbstractHeaderSelectionEditPolicy;
import org.eclipse.wb.draw2d.Figure;
import org.eclipse.wb.draw2d.FigureUtils;
import org.eclipse.wb.draw2d.IColorConstants;
import org.eclipse.wb.draw2d.ILocator;
import org.eclipse.wb.draw2d.geometry.Rectangle;
import org.eclipse.wb.gef.graphical.handles.Handle;
import org.eclipse.wb.gef.graphical.handles.MoveHandle;
import org.eclipse.wb.gef.graphical.policies.LayoutEditPolicy;
import org.eclipse.wb.gef.graphical.policies.SelectionEditPolicy;
import java.util.List;
/**
* Abstract {@link SelectionEditPolicy} for {@link DimensionHeaderEditPart}.
*
* @author scheglov_ke
* @coverage gwt.gef.policy
*/
abstract class DimensionSelectionEditPolicy<T extends DimensionInfo>
extends
AbstractHeaderSelectionEditPolicy {
protected static final String REQ_RESIZE = "resize";
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public DimensionSelectionEditPolicy(LayoutEditPolicy mainPolicy) {
super(mainPolicy);
}
////////////////////////////////////////////////////////////////////////////
//
// Handles
//
////////////////////////////////////////////////////////////////////////////
@Override
protected List<Handle> createSelectionHandles() {
List<Handle> handles = Lists.newArrayList();
// move handle
{
MoveHandle moveHandle = new MoveHandle(getHost(), new HeaderMoveHandleLocator());
moveHandle.setForeground(IColorConstants.red);
handles.add(moveHandle);
}
//
return handles;
}
////////////////////////////////////////////////////////////////////////////
//
// Utils
//
////////////////////////////////////////////////////////////////////////////
/**
* @return the host {@link DimensionHeaderEditPart}.
*/
@SuppressWarnings("unchecked")
private DimensionHeaderEditPart<T> getHostHeader() {
return (DimensionHeaderEditPart<T>) getHost();
}
/**
* @return the host {@link HTMLTableInfo}.
*/
protected final HTMLTableInfo getPanel() {
return getHostHeader().getPanel();
}
/**
* @return the host {@link DimensionInfo}.
*/
protected final T getDimension() {
return getHostHeader().getDimension();
}
////////////////////////////////////////////////////////////////////////////
//
// Move location
//
////////////////////////////////////////////////////////////////////////////
/**
* Implementation of {@link ILocator} to place handle directly on header.
*/
private class HeaderMoveHandleLocator implements ILocator {
public void relocate(Figure target) {
Figure reference = getHostFigure();
Rectangle bounds = reference.getBounds().getCopy();
FigureUtils.translateFigureToFigure(reference, target, bounds);
target.setBounds(bounds);
}
}
}