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/*******************************************************************************
* Copyright (c) 2012 Jayant Gupta
* 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
*
* CONTRIBUTORS:
* Jayant Gupta (initial contribution)
*
*
*******************************************************************************/
package org.eclipse.etrice.ui.layout;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.etrice.core.fsm.fSM.StateGraph;
import org.eclipse.etrice.core.fsm.fSM.TrPoint;
import org.eclipse.etrice.ui.behavior.editor.BehaviorEditor;
import org.eclipse.etrice.ui.behavior.fsm.support.StateSupport;
import org.eclipse.graphiti.mm.pictograms.Anchor;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.mm.pictograms.Shape;
import org.eclipse.graphiti.ui.internal.parts.IPictogramElementEditPart;
import de.cau.cs.kieler.core.kgraph.KNode;
import de.cau.cs.kieler.kiml.graphiti.KimlGraphitiUtil;
import de.cau.cs.kieler.kiml.ui.diagram.LayoutMapping;
import de.cau.cs.kieler.kiml.util.KimlUtil;
/**
* Layout Manager implementation for eTrice Structure Editor.
*
* @author jayant
*/
@SuppressWarnings("restriction")
public class BehaviorDiagramLayoutManager extends ETriceDiagramLayoutManager {
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
public boolean supports(final Object object) {
return object instanceof BehaviorEditor
|| object instanceof IPictogramElementEditPart
|| object instanceof PictogramElement;
}
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
protected void buildLayoutGraphForBoundingBox(
LayoutMapping<PictogramElement> mapping, Diagram diagram,
KNode diagramNode, boolean onlyVisible) {
if (onlyVisible) {
for (Shape boundingBox : ((Diagram) diagram).getChildren()) {
if (boundingBox.isVisible()) {
buildAllLevels(mapping, boundingBox, diagramNode);
break;
}
}
} else {
// This happens when the user requests Layout of the whole hierarchy
// of Diagrams in the behavior editor
// FIXME need to be corrected.
for (Shape boundingBox : ((Diagram) diagram).getChildren())
buildAllLevels(mapping, boundingBox, diagramNode);
}
}
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
protected Dimension getDefaultSize(Shape shape) {
Dimension defaultSize = new Dimension();
// This code sets the same minimal default size for both State Graph and
// State
defaultSize.setSize(StateSupport.MIN_SIZE_X, StateSupport.MIN_SIZE_Y);
/*
* This code snippet sets default the size for State Graphs and States
* differently. With this the top-level container remains large after
* layout (according to the default size in StateGraphSupport), which
* might not look proper.
*/
/*
EObject modelObject = shape.getLink().getBusinessObjects().get(0);
if (modelObject instanceof StateGraph) {
defaultSize.setSize(StateGraphSupport.DEFAULT_SIZE_X,
StateGraphSupport.DEFAULT_SIZE_Y);
} else if (modelObject instanceof State) {
defaultSize.setSize(StateSupport.MIN_SIZE_X,
StateSupport.MIN_SIZE_Y);
} else {
defaultSize.setSize(20, 20);
}*/
return defaultSize;
}
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
protected KNode createNode(final LayoutMapping<PictogramElement> mapping,
final KNode parentNode, final Shape shape) {
KNode node = KimlUtil.createInitializedNode();
node.setParent(parentNode);
setCurrentPositionAndSize(mapping, parentNode, node, shape);
mapping.getGraphMap().put(node, shape);
// gather all connections directly connected to the Node (not the
// connections connected via ports). These only exist in the behavior
// editor.
for (Anchor anchor : shape.getAnchors()) {
mapping.getProperty(KimlGraphitiUtil.CONNECTIONS).addAll(
anchor.getOutgoingConnections());
}
return node;
}
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
public boolean isBoundaryPort(Shape shape) {
EObject modelObject = shape.getLink().getBusinessObjects().get(0);
if (modelObject instanceof TrPoint)
return true;
return false;
}
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
public boolean isInternalPort(Shape shape) {
// No shape is an internal port (i.e. All ports are external only)
return false;
}
/**
* {@inheritDoc}
*
* @author jayant
*/
@Override
public boolean isTopLevelBoundingBox(Shape shape) {
EObject modelObject = shape.getLink().getBusinessObjects().get(0);
if (modelObject instanceof StateGraph)
return true;
return false;
}
}
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