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/*****************************************************************************
* Copyright (c) 2017 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:
* C�line Jansens - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.figures;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.OrderedLayout;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.RoundedRectangle;
import org.eclipse.draw2d.ToolbarLayout;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.text.FlowPage;
import org.eclipse.gmf.runtime.draw2d.ui.mapmode.IMapMode;
import org.eclipse.gmf.runtime.draw2d.ui.text.TextFlowEx;
import org.eclipse.papyrus.infra.gmfdiag.common.figure.node.PapyrusWrappingLabel;
import org.eclipse.papyrus.uml.diagram.common.figure.node.CenteredWrappedLabel;
import org.eclipse.papyrus.uml.diagram.common.figure.node.ILabelFigure;
import org.eclipse.papyrus.uml.diagram.common.figure.node.IMultilineEditableFigure;
import org.eclipse.papyrus.uml.diagram.common.figure.node.IPapyrusNodeUMLElementFigure;
import org.eclipse.swt.graphics.Image;
/**
* Class extracted from the Custom State Invariant edit part
*
* @since 3.0
*
*/
public class StateInvariantFigure extends ContinuationFigure implements ILabelFigure, IMultilineEditableFigure, IPapyrusNodeUMLElementFigure {
protected static final String LEFT_BRACE = "{";
protected static final String RIGHT_BRACE = "}";
/**
* The transparency of this shape in percent.
* Must be in [0, 100] range.
*/
private int transparency = 0;
private FlowPage constraintContentContainer;
private TextFlowEx constraintContent;
private CenteredWrappedLabel fFigureContinuationNameLabel;
private PapyrusWrappingLabel stereotypesLabel;
private Label stereotypePropertiesLabel;
private IFigure labelContainer;
private IMapMode mapMode;
/**
* Constructor.
*
*/
public StateInvariantFigure(IMapMode map) {
super();
getChildren().clear();
this.mapMode = map;
setBorder(new MarginBorder(8));
RoundedRectangle contents = new RoundedRectangle();
contents.setCornerDimensions(new Dimension(mapMode.DPtoLP(50), mapMode.DPtoLP(50)));
contents.setOutline(false);
this.add(contents);
// Name figure
fFigureContinuationNameLabel = new CenteredWrappedLabel();
contents.add(fFigureContinuationNameLabel);
// Invariant figure
constraintContentContainer = new FlowPage();
constraintContentContainer.setOpaque(false);
constraintContentContainer.setHorizontalAligment(PositionConstants.CENTER);
constraintContent = new TextFlowEx("");
constraintContentContainer.add(constraintContent);
contents.add(constraintContentContainer);
// Contents layout.
ToolbarLayout layout = new ToolbarLayout(false);
layout.setStretchMinorAxis(true);
layout.setMinorAlignment(OrderedLayout.ALIGN_CENTER);
contents.setLayoutManager(layout);
labelContainer = contents;
}
public FlowPage getConstraintContentContainer() {
return constraintContentContainer;
}
@Override
public CenteredWrappedLabel getFigureContinuationNameLabel() {
return fFigureContinuationNameLabel;
}
@Override
public IFigure getInvariantFigure() {
return this;
}
@Override
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);
}
@Override
public void setText(String text) {
if (constraintContent != null) {
constraintContent.setText(LEFT_BRACE + text + RIGHT_BRACE);
}
}
@Override
public String getText() {
if (constraintContent != null) {
return constraintContent.getText();
}
return null;
}
@Override
public void setIcon(Image icon) {
}
@Override
public Image getIcon() {
return null;
}
@Override
public Point getEditionLocation() {
if (constraintContentContainer != null) {
return constraintContentContainer.getLocation();
}
return null;
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.IPapyrusUMLElementFigure#setStereotypeDisplay(java.lang.String, org.eclipse.swt.graphics.Image)
*
* @param stereotypes
* @param image
*/
@Override
public void setStereotypeDisplay(String stereotypes, Image image) {
if (stereotypes == null || stereotypes.trim().equals("")) {
if (stereotypesLabel != null) {
labelContainer.remove(stereotypesLabel);
}
stereotypesLabel = null;
} else {
if (stereotypesLabel == null) {
stereotypesLabel = new PapyrusWrappingLabel(stereotypes, image);
labelContainer.add(stereotypesLabel, 0);
} else {
stereotypesLabel.setText(stereotypes);
stereotypesLabel.setIcon(image);
}
}
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.IPapyrusNodeUMLElementFigure#setStereotypePropertiesInBrace(java.lang.String)
*
* @param stereotypeProperties
*/
@Override
public void setStereotypePropertiesInBrace(String stereotypeProperties) {
if (stereotypeProperties == null || stereotypeProperties.trim().equals("")) {
if (stereotypePropertiesLabel != null) {
labelContainer.remove(stereotypePropertiesLabel);
}
stereotypePropertiesLabel = null;
} else {
if (stereotypePropertiesLabel == null) {
stereotypePropertiesLabel = new Label();
int index = labelContainer.getChildren().indexOf(stereotypesLabel);
labelContainer.add(stereotypePropertiesLabel, index + 1);
}
stereotypePropertiesLabel.setText(LEFT_BRACE + stereotypeProperties + RIGHT_BRACE);
}
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.IPapyrusNodeUMLElementFigure#setStereotypePropertiesInCompartment(java.lang.String)
*
* @param stereotypeProperties
*/
@Override
public void setStereotypePropertiesInCompartment(String stereotypeProperties) {
}
/**
* @see org.eclipse.papyrus.uml.diagram.common.figure.node.IPapyrusNodeUMLElementFigure#getStereotypesLabel()
*
* @return
*/
@Override
public PapyrusWrappingLabel getStereotypesLabel() {
return stereotypesLabel;
}
}
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