/*******************************************************************************
* 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.gwtext.gef.policy.table;
import com.google.common.collect.Lists;
import com.google.gdt.eclipse.designer.gwtext.model.layout.table.TableLayoutInfo;
import com.google.gdt.eclipse.designer.model.widgets.WidgetInfo;
import org.eclipse.wb.core.gef.command.EditCommand;
import org.eclipse.wb.core.gef.policy.layout.grid.AbstractGridSelectionEditPolicy;
import org.eclipse.wb.core.gef.policy.layout.grid.IGridInfo;
import org.eclipse.wb.core.model.IAbstractComponentInfo;
import org.eclipse.wb.draw2d.Figure;
import org.eclipse.wb.draw2d.IPositionConstants;
import org.eclipse.wb.draw2d.geometry.Rectangle;
import org.eclipse.wb.gef.core.Command;
import org.eclipse.wb.gef.graphical.handles.Handle;
import org.eclipse.wb.gef.graphical.policies.SelectionEditPolicy;
import java.util.List;
/**
* Implementation of {@link SelectionEditPolicy} for {@link TableLayoutInfo}.
*
* @author scheglov_ke
* @coverage GWTExt.gef.TableLayout
*/
public final class TableSelectionEditPolicy extends AbstractGridSelectionEditPolicy {
private final TableLayoutInfo m_layout;
private final WidgetInfo m_component;
private final TableGridHelper m_gridHelper = new TableGridHelper(this, false);
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public TableSelectionEditPolicy(TableLayoutInfo panel, WidgetInfo component) {
super(component);
m_layout = panel;
m_component = component;
}
////////////////////////////////////////////////////////////////////////////
//
// Access
//
////////////////////////////////////////////////////////////////////////////
@Override
protected boolean isActiveLayout() {
return true;
}
@Override
protected IGridInfo getGridInfo() {
return m_layout.getGridInfo();
}
////////////////////////////////////////////////////////////////////////////
//
// Selection
//
////////////////////////////////////////////////////////////////////////////
@Override
protected List<Handle> createSelectionHandles() {
List<Handle> handlesList = Lists.newArrayList();
// add move handle
handlesList.add(createMoveHandle());
// add span handles
{
handlesList.add(createSpanHandle(IPositionConstants.NORTH, 0.25));
handlesList.add(createSpanHandle(IPositionConstants.WEST, 0.25));
handlesList.add(createSpanHandle(IPositionConstants.EAST, 0.75));
handlesList.add(createSpanHandle(IPositionConstants.SOUTH, 0.75));
}
//
return handlesList;
}
@Override
protected void showPrimarySelection() {
super.showPrimarySelection();
m_gridHelper.showGridFeedback();
}
@Override
protected void hideSelection() {
m_gridHelper.eraseGridFeedback();
super.hideSelection();
}
@Override
protected Figure createAlignmentFigure(IAbstractComponentInfo component, boolean horizontal) {
return null;
}
////////////////////////////////////////////////////////////////////////////
//
// Span
//
////////////////////////////////////////////////////////////////////////////
@Override
protected Command createSpanCommand(final boolean horizontal, final Rectangle cells) {
return new EditCommand(m_layout) {
@Override
protected void executeEdit() throws Exception {
m_layout.command_setCells(m_component, cells, true);
}
};
}
}