TransitionEditPart.java

/*
 * Kouretes Statechart Editor-KSE developed 
 * by Angeliki Topalidou-Kyniazopoulou
 * for Kouretes Team. Code developed by Nikolaos Spanoudakis, Alex Parashos,
 * ibm, apache and eclipse is used.
 */
package statechart.diagram.edit.parts;

import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Connection;
import org.eclipse.draw2d.PolylineDecoration;
import org.eclipse.draw2d.RotatableDecoration;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionNodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ITreeBranchEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.draw2d.ui.figures.PolylineConnectionEx;
import org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Display;

import statechart.diagram.edit.policies.TransitionItemSemanticEditPolicy;

/**
 * @generated
 */
public class TransitionEditPart extends ConnectionNodeEditPart implements
		ITreeBranchEditPart {

	/**
	 * @generated
	 */
	public static final int VISUAL_ID = 4001;

	/**
	 * @generated
	 */
	public TransitionEditPart(View view) {
		super(view);
	}

	/**
	 * @generated
	 */
	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
				new TransitionItemSemanticEditPolicy());
	}

	/**
	 * @generated
	 */
	protected boolean addFixedChild(EditPart childEditPart) {
		if (childEditPart instanceof TransitionTEEditPart) {
			((TransitionTEEditPart) childEditPart).setLabel(getPrimaryShape()
					.getFigureTransitionTEFigure());
			return true;
		}
		return false;
	}

	/**
	 * @generated
	 */
	protected void addChildVisual(EditPart childEditPart, int index) {
		if (addFixedChild(childEditPart)) {
			return;
		}
		super.addChildVisual(childEditPart, index);
	}

	/**
	 * @generated
	 */
	protected boolean removeFixedChild(EditPart childEditPart) {
		if (childEditPart instanceof TransitionTEEditPart) {
			return true;
		}
		return false;
	}

	/**
	 * @generated
	 */
	protected void removeChildVisual(EditPart childEditPart) {
		if (removeFixedChild(childEditPart)) {
			return;
		}
		super.removeChildVisual(childEditPart);
	}

	/**
	 * Creates figure for this edit part.
	 * 
	 * Body of this method does not depend on settings in generation model
	 * so you may safely remove <i>generated</i> tag and modify it.
	 * 
	 * @generated
	 */

	protected Connection createConnectionFigure() {
		return new TransitionFigure();
	}

	/**
	 * @generated
	 */
	public TransitionFigure getPrimaryShape() {
		return (TransitionFigure) getFigure();
	}

	/**
	 * @generated
	 */
	public class TransitionFigure extends PolylineConnectionEx {

		/**
		 * @generated
		 */
		private WrappingLabel fFigureTransitionTEFigure;

		/**
		 * @generated
		 */
		public TransitionFigure() {
			this.setLineWidth(2);
			this.setForegroundColor(ColorConstants.black);
			this.setBackgroundColor(ColorConstants.black);

			createContents();
			setTargetDecoration(createTargetDecoration());
		}

		/**
		 * @generated
		 */
		private void createContents() {

			fFigureTransitionTEFigure = new WrappingLabel();
			fFigureTransitionTEFigure.setText("<..>");

			fFigureTransitionTEFigure.setFont(FFIGURETRANSITIONTEFIGURE_FONT);

			this.add(fFigureTransitionTEFigure);

		}

		/**
		 * @generated
		 */
		private RotatableDecoration createTargetDecoration() {
			PolylineDecoration df = new PolylineDecoration();
			df.setLineWidth(2);
			df.setForegroundColor(ColorConstants.black);
			df.setBackgroundColor(ColorConstants.black);
			PointList pl = new PointList();
			pl.addPoint(getMapMode().DPtoLP(-2), getMapMode().DPtoLP(1));
			pl.addPoint(getMapMode().DPtoLP(0), getMapMode().DPtoLP(0));
			pl.addPoint(getMapMode().DPtoLP(-2), getMapMode().DPtoLP(-1));
			df.setTemplate(pl);
			df.setScale(getMapMode().DPtoLP(7), getMapMode().DPtoLP(3));
			return df;
		}

		/**
		 * @generated
		 */
		public WrappingLabel getFigureTransitionTEFigure() {
			return fFigureTransitionTEFigure;
		}

	}

	/**
	 * @generated
	 */
	static final Font FFIGURETRANSITIONTEFIGURE_FONT = new Font(
			Display.getCurrent(), "TransitionFont", 12, SWT.NORMAL);

}