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package org.eclipse.emf.refactor.metrics.papyrus.ui;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.FigureCanvas;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.LayoutListener;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.refactor.metrics.papyrus.managers.HighlightManager;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker;
import org.eclipse.gmf.runtime.diagram.core.listener.NotificationListener;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.AbstractDecorator;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoratorTarget;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.swt.graphics.Color;
//import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
public class PapyrusDecorator extends AbstractDecorator {
private HighlightManager manager = HighlightManager.getInstance();
private Map<PolylineConnection, Style> decoratedLines = null;
private LayoutListener layoutListener = new LayoutListener() {
@Override
public void setConstraint(IFigure child, Object constraint) {}
@Override
public void remove(IFigure child) {}
@Override
public void postLayout(IFigure container) {
refresh();
}
@Override
public boolean layout(IFigure container) { return false; }
@Override
public void invalidate(IFigure container) {}};
private NotificationListener notificationListener = new NotificationListener() {
public void notifyChanged(Notification notification) {
refresh();
}};
public PapyrusDecorator(IDecoratorTarget decoratorTarget) {
super(decoratorTarget);
decoratedLines = new HashMap<PolylineConnection, Style>();
}
@Override
public void activate() {
IGraphicalEditPart gep = (IGraphicalEditPart) getDecoratorTarget().getAdapter(IGraphicalEditPart.class);
assert gep != null;
DiagramEventBroker.getInstance(gep.getEditingDomain()).addNotificationListener(gep.getNotationView(),
NotationPackage.eINSTANCE.getDescriptionStyle_Description(), notificationListener);
GraphicalEditPart editPart = (GraphicalEditPart) getDecoratorTarget().getAdapter(GraphicalEditPart.class);
editPart.getFigure().addLayoutListener(layoutListener);
manager.registerDecorator(this, getDecoratorTarget());
}
@Override
public void deactivate() {
removeDecoration();
IGraphicalEditPart gep = (IGraphicalEditPart) getDecoratorTarget().getAdapter(IGraphicalEditPart.class);
assert gep != null;
DiagramEventBroker.getInstance(gep.getEditingDomain()).removeNotificationListener(gep.getNotationView(),
NotationPackage.eINSTANCE.getDescriptionStyle_Description(), notificationListener);
GraphicalEditPart editPart = (GraphicalEditPart) getDecoratorTarget().getAdapter(GraphicalEditPart.class);
editPart.getFigure().removeLayoutListener(layoutListener);
manager.unregisterDecorator(this);
}
@Override
protected void removeDecoration() {
super.removeDecoration();
for (PolylineConnection connection : decoratedLines.keySet()){
connection.setForegroundColor(decoratedLines.get(connection).color);
connection.setLineWidth(decoratedLines.get(connection).lineWidth);
}
}
@Override
public void refresh() {
// System.out.println("Start REFRESH");
removeDecoration();
IGraphicalEditPart editPart = (IGraphicalEditPart) getDecoratorTarget().getAdapter(EditPart.class);
View view = (View) getDecoratorTarget().getAdapter(View.class);
if (manager.getPrefferedDecoratorTarget(view.getElement()) == getDecoratorTarget()){
if(selectionContains(view.getElement())) {
int x = editPart.getFigure().getBounds().x;
int y = editPart.getFigure().getBounds().y;
FigureCanvas canvas = (FigureCanvas) editPart.getViewer().getControl();
canvas.scrollSmoothTo(x, y);
if (view instanceof Node) {
IFigure figure = editPart.getFigure();
IFigure decoration = new PapyrusDecorationFigure();
decoration.setSize(figure.getSize());
setDecoration(getDecoratorTarget().addShapeDecoration(decoration, IDecoratorTarget.Direction.CENTER, 0, false));
}
if (view instanceof Edge) {
PolylineConnection connection = (PolylineConnection) editPart.getFigure();
decoratedLines.put(connection, new Style(connection.getForegroundColor(), connection.getLineWidth()));
connection.setForegroundColor(ColorConstants.red);
connection.setLineWidth(2);
}
}
}
// System.out.println("End REFRESH");
}
private boolean selectionContains(EObject element){
boolean contained = false;
if (element != null) {
for(EObject selected : manager.getSelected()){
String fragmentA = EcoreUtil.getURI(selected).fragment();
String fragmentB = EcoreUtil.getURI(element).fragment();
contained |= fragmentA.equals(fragmentB);
}
}
return contained;
}
private static class Style {
public Color color = null;
public int lineWidth = 0;
public Style(Color c, int lw){
color = c;
lineWidth = lw;
}
}
}
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