/*
* 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.editpart;
import java.util.List;
import org.drools.eclipse.flow.common.editor.core.ElementContainerElementWrapper;
import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
import org.drools.eclipse.flow.common.editor.core.ModelEvent;
import org.drools.eclipse.flow.common.editor.editpart.figure.ElementContainerFigure;
import org.drools.eclipse.flow.common.editor.policy.ElementContainerLayoutEditPolicy;
import org.eclipse.draw2d.IFigure;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.MouseWheelHelper;
import org.eclipse.gef.editparts.ViewportMouseWheelHelper;
public class ElementContainerEditPart extends ElementEditPart {
protected ElementContainerElementWrapper getElementContainerElementWrapper() {
return (ElementContainerElementWrapper) getModel();
}
protected IFigure createFigure() {
return new ElementContainerFigure();
}
protected void createEditPolicies() {
super.createEditPolicies();
installEditPolicy(EditPolicy.DIRECT_EDIT_ROLE, null);
installEditPolicy(EditPolicy.LAYOUT_ROLE, new ElementContainerLayoutEditPolicy());
}
public void modelChanged(ModelEvent event) {
if (event.getChange() == ElementContainerElementWrapper.ADD_ELEMENT) {
refreshChildren();
} else if (event.getChange() == ElementContainerElementWrapper.REMOVE_ELEMENT) {
refreshChildren();
} else {
super.modelChanged(event);
}
}
public Object getAdapter(@SuppressWarnings("rawtypes") Class key) {
if (key == MouseWheelHelper.class) {
return new ViewportMouseWheelHelper(this);
}
return super.getAdapter(key);
}
protected List<ElementWrapper> getModelChildren() {
return getElementContainerElementWrapper().getElements();
}
public IFigure getContentPane() {
return ((ElementContainerFigure) getFigure()).getPane();
}
}