plugins/org.eclipse.uml2.diagram.csd/src/org/eclipse/uml2/diagram/csd/edit/parts/CollaborationUse2EditPart.java

package org.eclipse.uml2.diagram.csd.edit.parts;

import org.eclipse.draw2d.Ellipse;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.StackLayout;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.LayoutEditPolicy;
import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeNodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.draw2d.ui.figures.ConstrainedToolbarLayout;
import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.uml2.diagram.common.draw2d.DefaultSizeOvalAnchorableFigure;
import org.eclipse.uml2.diagram.common.editparts.PrimaryShapeEditPart;
import org.eclipse.uml2.diagram.csd.edit.policies.CollaborationUse2ItemSemanticEditPolicy;
import org.eclipse.uml2.diagram.csd.part.UMLVisualIDRegistry;

/**
 * @generated
 */
public class CollaborationUse2EditPart extends ShapeNodeEditPart implements PrimaryShapeEditPart {

	/**
	 * @generated
	 */
	public static final int VISUAL_ID = 3002;

	/**
	 * @generated
	 */
	protected IFigure contentPane;

	/**
	 * @generated
	 */
	protected IFigure primaryShape;

	/**
	 * @generated
	 */
	public CollaborationUse2EditPart(View view) {
		super(view);
	}

	/**
	 * @generated
	 */
	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE, new CollaborationUse2ItemSemanticEditPolicy());
		installEditPolicy(EditPolicy.LAYOUT_ROLE, createLayoutEditPolicy());
		// XXX need an SCR to runtime to have another abstract superclass that would let children add reasonable editpolicies
		// removeEditPolicy(org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles.CONNECTION_HANDLES_ROLE);
	}

	/**
	 * @generated
	 */
	protected LayoutEditPolicy createLayoutEditPolicy() {
		LayoutEditPolicy lep = new LayoutEditPolicy() {

			protected EditPolicy createChildEditPolicy(EditPart child) {
				EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
				if (result == null) {
					result = new NonResizableEditPolicy();
				}
				return result;
			}

			protected Command getMoveChildrenCommand(Request request) {
				return null;
			}

			protected Command getCreateCommand(CreateRequest request) {
				return null;
			}
		};
		return lep;
	}

	/**
	 * @generated
	 */
	protected IFigure createNodeShape() {
		CollaborationUseFigure figure = new CollaborationUseFigure();
		return primaryShape = figure;
	}

	/**
	 * @generated
	 */
	public CollaborationUseFigure getPrimaryShape() {
		return (CollaborationUseFigure) primaryShape;
	}

	/**
	 * @generated
	 */
	protected boolean addFixedChild(EditPart childEditPart) {
		if (childEditPart instanceof CollaborationUseName2EditPart) {
			((CollaborationUseName2EditPart) childEditPart).setLabel(getPrimaryShape().getFigureCollaborationUseFigure_name());
			return true;
		}
		return false;
	}

	/**
	 * @generated
	 */
	protected boolean removeFixedChild(EditPart childEditPart) {

		return false;
	}

	/**
	 * @generated
	 */
	protected void addChildVisual(EditPart childEditPart, int index) {
		if (addFixedChild(childEditPart)) {
			return;
		}
		super.addChildVisual(childEditPart, -1);
	}

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

	/**
	 * @generated
	 */
	protected IFigure getContentPaneFor(IGraphicalEditPart editPart) {

		return super.getContentPaneFor(editPart);
	}

	/**
	 * @generated NOT
	 */
	protected NodeFigure createNodePlate() {
		DefaultSizeOvalAnchorableFigure result = new DefaultSizeOvalAnchorableFigure(getMapMode().DPtoLP(100), getMapMode().DPtoLP(40));
		return result;
	}

	/**
	 * 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 NodeFigure createNodeFigure() {
		NodeFigure figure = createNodePlate();
		figure.setLayoutManager(new StackLayout());
		IFigure shape = createNodeShape();
		figure.add(shape);
		contentPane = setupContentPane(shape);
		return figure;
	}

	/**
	 * Default implementation treats passed figure as content pane.
	 * Respects layout one may have set for generated figure.
	 * @param nodeShape instance of generated figure class
	 * @generated
	 */
	protected IFigure setupContentPane(IFigure nodeShape) {
		if (nodeShape.getLayoutManager() == null) {
			ConstrainedToolbarLayout layout = new ConstrainedToolbarLayout();
			layout.setSpacing(getMapMode().DPtoLP(5));
			nodeShape.setLayoutManager(layout);
		}
		return nodeShape; // use nodeShape itself as contentPane
	}

	/**
	 * @generated
	 */
	public IFigure getContentPane() {
		if (contentPane != null) {
			return contentPane;
		}
		return super.getContentPane();
	}

	/**
	 * @generated
	 */
	public EditPart getPrimaryChildEditPart() {
		return getChildBySemanticHint(UMLVisualIDRegistry.getType(CollaborationUseName2EditPart.VISUAL_ID));
	}

	/**
	 * @generated
	 */
	public class CollaborationUseFigure extends Ellipse {

		private int myXMargin;

		private int myYMargin;

		/**
		 * @NOT-generated
		 */
		@Override
		public void paintFigure(Graphics graphics) {
			Rectangle r = getBounds().getCopy();
			double a = r.width / 2;
			double b = r.height / 2;
			double sin45 = Math.sqrt(2) / 2;
			double cos45 = sin45;
			double diagx = a * sin45;
			double diagy = b * cos45;
			int newxmargin = (int) (a - diagx);
			int newymargin = (int) (b - diagy);
			if (newxmargin != myXMargin || newymargin != myYMargin) {
				myXMargin = newxmargin;
				myYMargin = newymargin;
				setBorder(new MarginBorder(myYMargin, myXMargin, myYMargin, myXMargin));
			}
			super.paintFigure(graphics);
		}

		/**
		 * @generated
		 */
		private Label fFigureCollaborationUseFigure_name;

		/**
		 * @generated
		 */
		public CollaborationUseFigure() {
			this.setLineStyle(Graphics.LINE_DASH);
			createContents();
		}

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

			fFigureCollaborationUseFigure_name = new Label();
			fFigureCollaborationUseFigure_name.setText("");

			this.add(fFigureCollaborationUseFigure_name);

		}

		/**
		 * @generated
		 */
		private boolean myUseLocalCoordinates = false;

		/**
		 * @generated
		 */
		protected boolean useLocalCoordinates() {
			return myUseLocalCoordinates;
		}

		/**
		 * @generated
		 */
		protected void setUseLocalCoordinates(boolean useLocalCoordinates) {
			myUseLocalCoordinates = useLocalCoordinates;
		}

		/**
		 * @generated
		 */
		public Label getFigureCollaborationUseFigure_name() {
			return fFigureCollaborationUseFigure_name;
		}

	}

}