/*
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 org.drools.eclipse.flow.common.editor;
import org.eclipse.draw2d.LightweightSystem;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.Viewport;
import org.eclipse.draw2d.parts.ScrollableThumbnail;
import org.eclipse.draw2d.parts.Thumbnail;
import org.eclipse.gef.LayerConstants;
import org.eclipse.gef.editparts.ScalableRootEditPart;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.part.Page;
import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
/**
* Common implementation of an outline page.
*/
public class OverviewOutlinePage extends Page implements IContentOutlinePage {
private Canvas overview;
private ScalableRootEditPart rootEditPart;
private Thumbnail thumbnail;
public OverviewOutlinePage(ScalableRootEditPart rootEditPart) {
this.rootEditPart = rootEditPart;
}
public void addSelectionChangedListener(ISelectionChangedListener listener) {
}
public void createControl(Composite parent) {
overview = new Canvas(parent, SWT.NONE);
LightweightSystem lws = new LightweightSystem(overview);
thumbnail = new ScrollableThumbnail((Viewport) rootEditPart.getFigure());
thumbnail.setBorder(new MarginBorder(3));
thumbnail.setSource(rootEditPart
.getLayer(LayerConstants.PRINTABLE_LAYERS));
lws.setContents(thumbnail);
}
public void dispose() {
if (null != thumbnail) {
thumbnail.deactivate();
}
super.dispose();
}
public Control getControl() {
return overview;
}
public ISelection getSelection() {
return StructuredSelection.EMPTY;
}
public void removeSelectionChangedListener(
ISelectionChangedListener listener) {
}
public void setFocus() {
if (getControl() != null) {
getControl().setFocus();
}
}
public void setSelection(ISelection selection) {
}
}