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/*****************************************************************************
* Copyright (c) 2010 CEA
*
*
* 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:
* Soyatec - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.edit.parts;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.PrecisionRectangle;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.requests.ChangeBoundsRequest;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.SetBoundsCommand;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.figures.IBorderItemLocator;
import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.common.editpolicies.BorderItemResizableEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.edit.policies.semantic.CustomStateInvariantItemSemanticEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.locator.CenterLocator;
/**
* @author Jin Liu (jin.liu@soyatec.com)
*/
public class CustomStateInvariantEditPart extends StateInvariantEditPart {
/**
* Constructor.
*
* @param view
*/
public CustomStateInvariantEditPart(View view) {
super(view);
}
/**
* @Override
*/
@Override
protected void createDefaultEditPolicies() {
super.createDefaultEditPolicies();
installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE, new CustomStateInvariantItemSemanticEditPolicy());
}
@Override
protected void handleNotificationEvent(Notification notification) {
super.handleNotificationEvent(notification);
Object feature = notification.getFeature();
if((getModel() != null) && (getModel() == notification.getNotifier())) {
if(NotationPackage.eINSTANCE.getLineStyle_LineWidth().equals(feature)) {
refreshLineWidth();
}
}
}
@Override
protected void refreshVisuals() {
super.refreshVisuals();
refreshLineWidth();
refreshTransparency();
}
@Override
protected void setTransparency(int transp) {
getPrimaryShape().setTransparency(transp);
}
@Override
protected void refreshBounds() {
if(getBorderItemLocator() != null) {
int x = ((Integer)getStructuralFeatureValue(NotationPackage.eINSTANCE.getLocation_X())).intValue();
int y = ((Integer)getStructuralFeatureValue(NotationPackage.eINSTANCE.getLocation_Y())).intValue();
Point loc = new Point(x, y);
int width = ((Integer)getStructuralFeatureValue(NotationPackage.eINSTANCE.getSize_Width())).intValue();
int height = ((Integer)getStructuralFeatureValue(NotationPackage.eINSTANCE.getSize_Height())).intValue();
Dimension size = new Dimension(width, height);
// fix size
getFigure().setBounds(new Rectangle(loc, size));
getBorderItemLocator().setConstraint(new Rectangle(loc, size));
} else {
super.refreshBounds();
}
}
/**
* @see org.eclipse.papyrus.uml.diagram.sequence.edit.parts.StateInvariantEditPart#getPrimaryShape()
*
* @return
*/
@Override
public StateInvariantFigure getPrimaryShape() {
return (StateInvariantFigure)primaryShape;
}
/**
* @see org.eclipse.papyrus.uml.diagram.sequence.edit.parts.StateInvariantEditPart#createNodeShape()
*
* @return
*/
@Override
protected IFigure createNodeShape() {
return primaryShape = new StateInvariantFigure();
}
public class StateInvariantFigure extends ContinuationFigure {
/**
* The transparency of this shape in percent.
* Must be in [0, 100] range.
*/
private int transparency = 0;
protected void fillShape(Graphics graphics) {
graphics.pushState();
applyTransparency(graphics);
graphics.fillRoundRectangle(getBounds(), corner.width, corner.height);
graphics.popState();
}
/**
* Returns transparency value (belongs to [0, 100] interval)
*
* @return transparency
* @since 1.2
*/
public int getTransparency() {
return transparency;
}
/**
* Sets the transparency if the given parameter is in [0, 100] range
*
* @param transparency
* The transparency to set
* @since 1.2
*/
public void setTransparency(int transparency) {
if(transparency != this.transparency && transparency >= 0 && transparency <= 100) {
this.transparency = transparency;
repaint();
}
}
/**
* Converts transparency value from percent range [0, 100] to alpha range
* [0, 255] and applies converted value. 0% corresponds to alpha 255 and
* 100% corresponds to alpha 0.
*
* @param g
* The Graphics used to paint
* @since 1.2
*/
protected void applyTransparency(Graphics g) {
g.setAlpha(255 - transparency * 255 / 100);
}
}
static class StateInvariantLocator extends CenterLocator {
public StateInvariantLocator(IFigure parentFigure, int location) {
super(parentFigure, location);
}
public void relocate(IFigure borderItem) {
Point constraintLocation = getConstraint().getLocation();
Dimension size = getSize(borderItem);
Point ptNewLocation = new Point(getParentBorder().getCenter().x - size.width / 2, constraintLocation.y);
borderItem.setBounds(new Rectangle(ptNewLocation, size));
}
public Rectangle getValidLocation(Rectangle proposedLocation, IFigure borderItem) {
Rectangle realLocation = new Rectangle(proposedLocation);
Point point = new Point(getParentBorder().getCenter().x - realLocation.getSize().width / 2, realLocation.y);
realLocation.setLocation(point);
return realLocation;
}
};
public static class StateInvariantResizableEditPolicy extends BorderItemResizableEditPolicy {
protected Command getResizeCommand(ChangeBoundsRequest request) {
IBorderItemEditPart borderItemEP = (IBorderItemEditPart)getHost();
IBorderItemLocator borderItemLocator = borderItemEP.getBorderItemLocator();
if(borderItemLocator != null) {
PrecisionRectangle rect = new PrecisionRectangle(getInitialFeedbackBounds().getCopy());
getHostFigure().translateToAbsolute(rect);
rect.translate(request.getMoveDelta());
rect.resize(request.getSizeDelta());
getHostFigure().translateToRelative(rect);
Rectangle realLocation = borderItemLocator.getValidLocation(rect.getCopy(), borderItemEP.getFigure());
if(borderItemEP.getParent() instanceof LifelineEditPart && !restrictInParentBounds((LifelineEditPart)borderItemEP.getParent(), borderItemEP, realLocation.getCopy()))
return null;
ICommand moveCommand = new SetBoundsCommand(borderItemEP.getEditingDomain(), DiagramUIMessages.Commands_MoveElement, new EObjectAdapter((View)getHost().getModel()), realLocation);
return new ICommandProxy(moveCommand);
}
return null;
}
protected Command getMoveCommand(ChangeBoundsRequest request) {
IBorderItemEditPart borderItemEP = (IBorderItemEditPart)getHost();
IBorderItemLocator borderItemLocator = borderItemEP.getBorderItemLocator();
if(borderItemLocator != null) {
PrecisionRectangle rect = new PrecisionRectangle(getInitialFeedbackBounds().getCopy());
getHostFigure().translateToAbsolute(rect);
rect.translate(request.getMoveDelta());
rect.resize(request.getSizeDelta());
getHostFigure().translateToRelative(rect);
Rectangle realLocation = borderItemLocator.getValidLocation(rect.getCopy(), borderItemEP.getFigure());
if(borderItemEP.getParent() instanceof LifelineEditPart && !restrictInParentBounds((LifelineEditPart)borderItemEP.getParent(), borderItemEP, realLocation.getCopy()))
return null;
Point location = realLocation.getTopLeft();
ICommand moveCommand = new SetBoundsCommand(borderItemEP.getEditingDomain(), DiagramUIMessages.Commands_MoveElement, new EObjectAdapter((View)getHost().getModel()), location);
return new ICommandProxy(moveCommand);
}
return null;
}
private boolean restrictInParentBounds(LifelineEditPart ep, IBorderItemEditPart borderItemEP, Rectangle realLocation) {
borderItemEP.getFigure().translateToAbsolute(realLocation);
Rectangle bounds = ep.getPrimaryShape().getBounds().getCopy();
ep.getPrimaryShape().translateToAbsolute(bounds);
int nameHeight = ep.getPrimaryShape().getFigureLifelineNameContainerFigure().getBounds().height;
if(realLocation.y - nameHeight < bounds.y)
return false;
if(realLocation.getBottom().y > bounds.getBottom().y)
return false;
return true;
}
}
}
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