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/*****************************************************************************
* Copyright (c) 2016 CEA LIST and others.
*
* 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
*
* Contributors:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.figures;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gmf.runtime.diagram.ui.figures.BorderedNodeFigure;
import org.eclipse.papyrus.infra.gmfdiag.common.figure.node.ScalableCompartmentFigure;
import org.eclipse.papyrus.infra.gmfdiag.common.figure.node.SelectableBorderedNodeFigure;
import org.eclipse.papyrus.uml.diagram.common.figure.node.AutomaticCompartmentLayoutManager;
/**
* @since 3.0
* This class manage as {@link AutomaticCompartmentLayoutManager} but layout figure as XY layout if there are {@link ILifelineInternalFigure}
*/
public class LifeLineLayoutManager extends AutomaticCompartmentLayoutManager {
private int bottomHeaderY = 0;
/** The layout contraints */
protected Map<IFigure, Rectangle> constraints = new HashMap<IFigure, Rectangle>();
public int getBottomHeader() {
return bottomHeaderY;
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.AutomaticCompartmentLayoutManager#layout(org.eclipse.draw2d.IFigure)
*
* @param container
*/
@Override
public void layout(IFigure container) {
super.layout(container);
layoutXYFigure(container);
}
/*
* Fills the given bound data as a non-compartment child
*
* @param container
* The container to layout
*
* @param bound
* The bound to fill
*
* @param previous
* The previously filled bound
*/
protected void fillBoundsForOther(IFigure container, Rectangle bound, Rectangle previous) {
bound.x = container.getBounds().x + 1; // +1, see bug 490318, restore +1 to fix shift from Papyrus Luna to Papyrus Mars
bound.width = container.getBounds().width;
if (previous == null) {
bound.y = container.getBounds().y + 3;
} else {
bound.y = previous.getBottomLeft().y + 1;
}
}
/**
* @see org.eclipse.draw2d.AbstractLayout#setConstraint(org.eclipse.draw2d.IFigure, java.lang.Object)
*
* @param child
* @param constraint
*/
@Override
public void setConstraint(IFigure child, Object constraint) {
if (child instanceof SelectableBorderedNodeFigure) {
if (((SelectableBorderedNodeFigure) child).getMainFigure() instanceof ILifelineInternalFigure) {
if (constraint instanceof Rectangle) {
constraints.put(child, (Rectangle) constraint);
}
}
}
super.setConstraint(child, constraint);
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.AutomaticCompartmentLayoutManager#fillBoundsForCompartment(org.eclipse.draw2d.IFigure, org.eclipse.draw2d.geometry.Rectangle, org.eclipse.draw2d.geometry.Rectangle, double)
*
* @param container
* @param bound
* @param previous
* @param ratio
*/
@Override
protected void fillBoundsForCompartment(IFigure container, Rectangle bound, Rectangle previous, double ratio) {
fillBoundsForOther(container, bound, previous);
// bound.height = (int) (bound.height / ratio);
if (previous == null) {
bound.y = container.getBounds().y;
}
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.AutomaticCompartmentLayoutManager#layoutDefault(org.eclipse.draw2d.IFigure)
*
* @param container
*/
@Override
protected void layoutDefault(IFigure container) {
ScalableCompartmentFigure symbolFigure = null;
int i = 0;
while (symbolFigure == null && i < container.getChildren().size()) {
if (container.getChildren().get(i) instanceof ScalableCompartmentFigure) {
symbolFigure = (ScalableCompartmentFigure) container.getChildren().get(i);
}
i++;
}
super.layoutDefault(container);
// change coordinate to set the symbol at the top
if (symbolFigure != null) {
symbolFigure.getBounds().setY(container.getBounds().getTop().y);
}
Rectangle containerBounds = container.getBounds();
IFigure previous = null;
for (IFigure child : visibleOthers) {
Rectangle bound = new Rectangle();
if (previous != null) {
if (child.equals(symbolFigure)) {
bound.y = containerBounds.y + 3;
} else {
bound.y = previous.getBounds().getBottomLeft().y + 1;
bound.x = containerBounds.x + 1;
bound.width = containerBounds.width;
bound.height = child.getBounds().height;
bottomHeaderY = bound.y + bound.height;
}
} else {
bound.x = containerBounds.x + 1;
// here the symbo may be present
if (symbolFigure != null) {
bound.y = containerBounds.y + 3 + symbolFigure.getBounds().height;
} else {
bound.y = containerBounds.y + 3;
}
bound.width = containerBounds.width;
bound.height = child.getBounds().height;
}
child.setBounds(bound);
previous = child;
}
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.AutomaticCompartmentLayoutManager#layoutOthers(org.eclipse.draw2d.geometry.Rectangle)
*
* @param container
*/
@Override
protected void layoutOthers(Rectangle container) {
super.layoutOthers(container);
IFigure previous = null;
for (IFigure child : visibleOthers) {
Rectangle bound = new Rectangle();
if (previous != null) {
bound.y = previous.getBounds().getBottomLeft().y + 1;
bound.x = container.x + 1;
bound.width = container.width;
bound.height = child.getBounds().height;
bottomHeaderY = bound.y + bound.height;
} else {
bound.x = container.x + 1;
// in the case where the content is grater than the container
// it is forbidden to change the y coordinate
bound.y = container.y + 3;
bound.width = container.width;
bound.height = child.getBounds().height;
bottomHeaderY = bound.y + bound.height;
}
child.setBounds(bound);
previous = child;
}
}
/**
* all {@link ILifelineInternalFigure} must be managed as XY layout by respecting their position and size
*
* @param container
*/
protected void layoutXYFigure(IFigure container) {
for (Object child : container.getChildren()) {
if (child instanceof BorderedNodeFigure) {
if (((BorderedNodeFigure) child).getMainFigure() instanceof ILifelineInternalFigure) {
Rectangle theConstraint = constraints.get(child).getCopy();
if (theConstraint != null) {
theConstraint.translate(container.getBounds().getTopLeft());
((BorderedNodeFigure) child).setBounds(theConstraint);
}
}
}
}
}
}
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