org.eclipse.opencert.apm.baseline.diagram/src/org/eclipse/opencert/apm/baseline/baseline/diagram/edit/parts/BaseArtefactEditPart.java

/*******************************************************************************
 * Copyright (c) 2016 Fundación Tecnalia Research & Innovation.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *   Huascar Espinoza - initial API and implementation
 *   Alejandra Ruíz - initial API and implementation
 *   Idoya Del Río - initial API and implementation
 *   Mari Carmen Palacios - initial API and implementation
 *   Angel López - initial API and implementation
 *******************************************************************************/
/*
 * 
 */
package org.eclipse.opencert.apm.baseline.baseline.diagram.edit.parts;

import java.util.Collections;
import java.util.List;

import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.Shape;
import org.eclipse.draw2d.StackLayout;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.GraphicalEditPart;
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.handles.MoveHandle;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.gmf.runtime.diagram.ui.editparts.AbstractBorderedShapeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.BorderItemSelectionEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator;
import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.swt.graphics.Color;
import org.eclipse.opencert.apm.baseline.baseline.BaseActivity;
import org.eclipse.opencert.apm.baseline.baseline.BaseArtefact;
import org.eclipse.opencert.apm.baseline.baseline.BaselineElement;
import org.eclipse.opencert.apm.baseline.baseline.diagram.edit.parts.BaseActivityEditPart.BaseActivityFigure;
import org.eclipse.opencert.apm.baseline.baseline.diagram.edit.policies.BaseArtefactItemSemanticEditPolicy;
import org.eclipse.opencert.apm.baseline.baseline.diagram.part.BaselineVisualIDRegistry;

import figures.ArtefactFigure;

/**
 * @generated
 */
public class BaseArtefactEditPart extends AbstractBorderedShapeEditPart {

	/**
	 * @generated
	 */
	public static final int VISUAL_ID = 2002;

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

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

	
	protected NodeFigure nodeFigure;
	/**
	 * @generated
	 */
	public BaseArtefactEditPart(View view) {
		super(view);
	}

	/**
	 * @generated
	 */
	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
				new BaseArtefactItemSemanticEditPolicy());
		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() {
		org.eclipse.gmf.runtime.diagram.ui.editpolicies.LayoutEditPolicy lep = new org.eclipse.gmf.runtime.diagram.ui.editpolicies.LayoutEditPolicy() {

			protected EditPolicy createChildEditPolicy(EditPart child) {
				View childView = (View) child.getModel();
				switch (BaselineVisualIDRegistry.getVisualID(childView)) {
				case BaseArtefactNameEditPart.VISUAL_ID:
					return new BorderItemSelectionEditPolicy() {

						protected List createSelectionHandles() {
							MoveHandle mh = new MoveHandle(
									(GraphicalEditPart) getHost());
							mh.setBorder(null);
							return Collections.singletonList(mh);
						}
					};
				}
				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 NOT
	 */
	protected IFigure createNodeShape() {
		//ALC Start
		// Start MCP
		if (!(((View) this.getModel()).getElement() instanceof BaseArtefact)) {
			System.out.println("createNodeShape(): Error model not allowed");
			return primaryShape = new ArtefactFigure(1);
		}		
		// End MCP		
		BaseArtefact newElem = (BaseArtefact) ((Node) this.getModel()).getElement();
		// Start MCP
		if(newElem == null){
			return primaryShape = new ArtefactFigure(1);
		}else
		// End MCP
		if(newElem.isIsSelected()){
			return primaryShape = new ArtefactFigure();
		}
		else{
			return primaryShape = new ArtefactFigure(1);
		}
		//ALC End
	}

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

	/**
	 * @generated
	 */
	protected void addBorderItem(IFigure borderItemContainer,
			IBorderItemEditPart borderItemEditPart) {
		if (borderItemEditPart instanceof BaseArtefactNameEditPart) {
			BorderItemLocator locator = new BorderItemLocator(getMainFigure(),
					PositionConstants.SOUTH);
			locator.setBorderItemOffset(new Dimension(-20, -20));
			borderItemContainer.add(borderItemEditPart.getFigure(), locator);
		} else {
			super.addBorderItem(borderItemContainer, borderItemEditPart);
		}
	}

	/**
	 * @generated
	 */
	protected NodeFigure createNodePlate() {
		DefaultSizeNodeFigure result = new DefaultSizeNodeFigure(40, 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 createMainFigure() {
		nodeFigure = createNodePlate();
		nodeFigure.setLayoutManager(new StackLayout());
		IFigure shape = createNodeShape();
		nodeFigure.add(shape);
		contentPane = setupContentPane(shape);
		return nodeFigure;
	}

	/**
	 * 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) {
		return nodeShape; // use nodeShape itself as contentPane
	}

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

	/**
	 * @generated
	 */
	protected void setForegroundColor(Color color) {
		if (primaryShape != null) {
			primaryShape.setForegroundColor(color);
		}
	}

	/**
	 * @generated
	 */
	protected void setBackgroundColor(Color color) {
		if (primaryShape != null) {
			primaryShape.setBackgroundColor(color);
		}
	}

	/**
	 * @generated
	 */
	protected void setLineWidth(int width) {
		if (primaryShape instanceof Shape) {
			((Shape) primaryShape).setLineWidth(width);
		}
	}

	/**
	 * @generated
	 */
	protected void setLineType(int style) {
		if (primaryShape instanceof Shape) {
			((Shape) primaryShape).setLineStyle(style);
		}
	}

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

	/**
	 * @generated NOT
	 */
	protected void handleNotificationEvent(Notification event) {
		if (event.getNotifier() == getModel()
				&& EcorePackage.eINSTANCE.getEModelElement_EAnnotations()
						.equals(event.getFeature())) {
			handleMajorSemanticChange();
		} 
		//ALC Start
		else if (event.getNotifier() instanceof BaseArtefact) {
			BaseArtefact newElem = (BaseArtefact) ((Node) this.getModel()).getElement();
			ArtefactFigure figure = (ArtefactFigure) this.getPrimaryShape();
			nodeFigure.remove(primaryShape);
			IFigure shape = createNodeShape();
			nodeFigure.add(shape);
			
			
			if(newElem.isIsSelected()){
				EObject model=((Node) this.getModel()).getElement();
				
				updateParentSelection(model, true);
			}
			
			
			
			
			// Start MCP
			super.handleNotificationEvent(event);		
			// End MCP
		}
		//ALC End
		// Start MCP
		//super.handleNotificationEvent(event);		
		else {
			super.handleNotificationEvent(event);
		}		
		// End MCP
	}
	
	//ALC Start
	private void updateParentSelection(EObject model, boolean selection) {
		if(model.eContainer() instanceof BaselineElement){
			BaselineElement metaclass = (BaselineElement)model.eContainer();
			metaclass.setIsSelected(true);
			
			if (metaclass.eContainer() != null){
				updateParentSelection(metaclass, selection);
			}
		}
	}
	//ALC End

}