/*******************************************************************************
* 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;
import com.google.gdt.eclipse.designer.hosted.IBrowserShell;
import com.google.gdt.eclipse.designer.model.widgets.panels.RootPanelInfo;
import com.google.gdt.eclipse.designer.model.widgets.support.GwtState;
import org.eclipse.wb.draw2d.geometry.Dimension;
import org.eclipse.wb.draw2d.geometry.Insets;
import org.eclipse.wb.internal.core.model.JavaInfoEvaluationHelper;
import org.eclipse.wb.internal.core.model.TopBoundsSupport;
import org.eclipse.wb.internal.core.utils.ast.DomGenerics;
import org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils;
import org.eclipse.jdt.core.dom.Expression;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.swt.graphics.Rectangle;
import java.util.List;
/**
* Implementation of {@link TopBoundsSupport} for {@link RootPanelInfo}.
*
* @author scheglov_ke
* @coverage gwt.model.top
*/
public class RootPanelTopBoundsSupport extends TopBoundsSupport {
private final RootPanelInfo m_rootPanel;
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public RootPanelTopBoundsSupport(RootPanelInfo rootPanel) {
super(rootPanel);
m_rootPanel = rootPanel;
}
////////////////////////////////////////////////////////////////////////////
//
// TopBoundsSupport
//
////////////////////////////////////////////////////////////////////////////
private static final int SIZE_EXPAND = 50;
@Override
public void apply() throws Exception {
GwtState state = m_rootPanel.getState();
Dimension size = getSize();
// prepare Shell
IBrowserShell shell = state.getShell();
shell.prepare();
// set Shell size
{
Rectangle shellBounds = shell.computeTrim(0, 0, size.width, size.height);
if (state.isStrictMode() && !state.isBrowserWebKit()) {
shellBounds.width += SIZE_EXPAND;
shellBounds.height += SIZE_EXPAND;
}
shell.setSize(shellBounds.width, shellBounds.height);
}
// in "strict" mode RootPanel (i.e. "body") has size required by widgets, so force size
if (state.isStrictMode()) {
Insets margins = state.getMargins(m_rootPanel.getElement());
Insets borders = state.getBorders(m_rootPanel.getElement());
int width = size.width - margins.getWidth() - borders.getWidth();
int height = size.height - margins.getHeight() - borders.getHeight();
ReflectionUtils.invokeMethod(m_rootPanel.getObject(), "setPixelSize(int,int)", width, height);
}
}
private Dimension getSize() throws Exception {
// check for forced size
{
MethodInvocation invocation = m_rootPanel.getMethodInvocation("setPixelSize(int,int)");
if (invocation != null) {
List<Expression> arguments = DomGenerics.arguments(invocation);
int width = (Integer) JavaInfoEvaluationHelper.getValue(arguments.get(0));
int height = (Integer) JavaInfoEvaluationHelper.getValue(arguments.get(1));
return new Dimension(width, height);
}
}
// use size from resource properties
return getResourceSize();
}
@Override
public void setSize(int width, int height) throws Exception {
// remember size in resource properties
setResourceSize(width, height);
}
////////////////////////////////////////////////////////////////////////////
//
// Show
//
////////////////////////////////////////////////////////////////////////////
@Override
public boolean show() throws Exception {
m_rootPanel.getState().showShell();
return true;
}
}