/*****************************************************************************
* Copyright (c) 2008-2009 CEA LIST.
*
*
* 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:
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.editparts;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.gmf.runtime.diagram.ui.editparts.BorderedBorderItemEditPart;
import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
import org.eclipse.gmf.runtime.notation.FillStyle;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.gmf.runtime.notation.datatype.GradientData;
import org.eclipse.papyrus.infra.emf.appearance.helper.ShadowFigureHelper;
import org.eclipse.papyrus.infra.gmfdiag.common.editpart.IPapyrusEditPart;
import org.eclipse.papyrus.infra.gmfdiag.common.editpart.NodeEditPart;
import org.eclipse.papyrus.infra.gmfdiag.common.figure.node.IPapyrusNodeFigure;
import org.eclipse.swt.graphics.Color;
/**
* <pre>
* Abstract EditPart supporting shadow and gradient management.
* Similar implementation to {@link NodeEditPart} but inheriting from {@link BorderedBorderItemEditPart}
* in order to provide support for Affixed Child nodes.
* </pre>
*/
public abstract class BorderNodeEditPart extends BorderedBorderItemEditPart implements IPapyrusEditPart {
/**
*
* Constructor.
*
* @param view
*/
public BorderNodeEditPart(View view) {
super(view);
}
/**
* {@inheritDoc}
*/
@Override
protected NodeFigure createMainFigure() {
return createNodeFigure();
}
/**
* <p>
* Returns the primary shape being the View of this edit part.
* </p>
* <b>Warning</b> It should never return <code>null</code>
*
* @return the primary shape associated to this edit part.
*/
public abstract IPapyrusNodeFigure getPrimaryShape();
/**
* {@inheritDoc}
*/
@Override
public boolean supportsGradient() {
return true;
}
/**
* Set the transparency to the correct figure
*
* {@inheritDoc}
*/
@Override
protected void setTransparency(int transp) {
getPrimaryShape().setTransparency(transp);
}
/**
* Set the background color of this edit part
*
* @param color
* the new value of the back ground color
*
*
*/
@Override
protected void setBackgroundColor(Color color) {
getPrimaryShape().setBackgroundColor(color);
getPrimaryShape().setIsUsingGradient(false);
getPrimaryShape().setGradientData(-1, -1, 0);
}
/**
* Set the gradient data to the correct figure
*
* {@inheritDoc}
*/
@Override
protected void setGradient(GradientData gradient) {
IPapyrusNodeFigure fig = getPrimaryShape();
FillStyle style = (FillStyle)getPrimaryView().getStyle(NotationPackage.Literals.FILL_STYLE);
if(gradient != null) {
fig.setIsUsingGradient(true);;
fig.setGradientData(style.getFillColor(), gradient.getGradientColor1(), gradient.getGradientStyle());
} else {
fig.setIsUsingGradient(false);
}
}
/**
* Set the font color
*
* @param color
* the new value of the font color
*/
@Override
protected void setFontColor(Color color) {
// No operation.
}
/**
* Set the foreground color of this edit part's figure
*
* @param color
* the new value of the foreground color
*/
@Override
protected void setForegroundColor(Color color) {
getPrimaryShape().setForegroundColor(color);
}
/**
* Refresh the shadow of the figure
*/
protected void refreshShadow() {
getPrimaryShape().setShadow(ShadowFigureHelper.getShadowFigureValue((View)getModel()));
}
/**
*
* @see org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeNodeEditPart#handleNotificationEvent(org.eclipse.emf.common.notify.Notification)
*
* @param event
*/
@Override
protected void handleNotificationEvent(Notification event) {
super.handleNotificationEvent(event);
// Update the figure when the line width changes
Object feature = event.getFeature();
if ((getModel() != null) && (getModel() == event.getNotifier())) {
if(NotationPackage.eINSTANCE.getLineStyle_LineWidth().equals(feature)) {
refreshLineWidth();
} else if (NotationPackage.eINSTANCE.getLineTypeStyle_LineType().equals(feature)) {
refreshLineType();
}
}
if(resolveSemanticElement() != null) {
refreshShadow();
}
}
@Override
protected void refreshVisuals() {
super.refreshVisuals();
refreshShadow();
refreshLineType();
refreshLineWidth();
}
protected void setLineWidth(int width) {
if (width < 0) {
width = 1;
}
getPrimaryShape().setLineWidth(width);
}
protected void setLineType(int style) {
getPrimaryShape().setLineStyle(style);
}
}