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/*******************************************************************************
* Copyright (c) 2010, 2013 THALES GLOBAL SERVICES.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.sequence.ui.tool.internal.figure;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.sirius.BackgroundStyle;
import org.eclipse.sirius.diagram.sequence.business.internal.elements.Operand;
import org.eclipse.sirius.diagram.sequence.business.internal.layout.LayoutConstants;
import org.eclipse.sirius.diagram.tools.api.graphical.edit.styles.IContainerLabelOffsets;
import org.eclipse.sirius.diagram.ui.tools.api.figure.GradientRoundedRectangle;
import org.eclipse.sirius.diagram.ui.tools.api.figure.OneLineMarginBorder;
/**
* Custom figure to paint only a bottom dash line instead of a full border.
*
* @author smonnier
*/
public class OperandFigure extends GradientRoundedRectangle {
private Operand operand;
/**
* Create a new {@link LifelineNodeFigure}.
*
* @param dimension
* dimension of the corner (with radius, height radius)
* @param backgroundStyle
* style of the wanted gradient
* @param operand
* the current operand
*/
public OperandFigure(final Dimension dimension, final BackgroundStyle backgroundStyle, Operand operand) {
super(dimension, backgroundStyle);
this.operand = operand;
this.setFill(false);
this.setOutline(false);
}
/**
* {@inheritDoc}
*/
protected void createBorder() {
OneLineMarginBorder oneLineBorder = new OneLineMarginBorder(PositionConstants.BOTTOM);
oneLineBorder.setStyle(Graphics.LINE_CUSTOM);
oneLineBorder.setLineDash(LayoutConstants.OPERAND_DASH_STYLE);
oneLineBorder.setMargin(IContainerLabelOffsets.LABEL_OFFSET - 1, 0, 0, 0);
setBorder(oneLineBorder);
}
/**
* {@inheritDoc}
*
* Overridden to paint only a bottom dash line instead of a full border.
*/
@Override
protected void paintBorder(Graphics graphics) {
if (!isLastOperand()) {
super.paintBorder(graphics);
}
}
/**
* Check if it is the last operand. In that case we do not need to paint the
* operand separator.
*/
private boolean isLastOperand() {
boolean isLast = false;
if (operand != null) {
isLast = operand.isLastOperand();
}
return isLast;
}
}
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