Bug 473722 - [Composite Diagram] Papyrus should support graphical

resizable ports

Change-Id: I4743f4166f33e15a45df427406e10fefc9bf5241
Signed-off-by: Trung-Truc NGUYEN<truc.ensma@gmail.com>

5 files changed, 442 insertions, 1 deletions

diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomClassCompositeEditPart.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomClassCompositeEditPart.java
new file mode 100644
index 00000000000..7130c8170ff
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomClassCompositeEditPart.java
@@ -0,0 +1,66 @@
+/*****************************************************************************
+ * Copyright (c) 2016 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:
+ *   CEA LIST - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.diagram.composite.custom.edit.parts;
+
+import org.eclipse.draw2d.PositionConstants;
+import org.eclipse.gef.EditPart;
+import org.eclipse.gef.EditPolicy;
+import org.eclipse.gmf.runtime.diagram.ui.figures.IBorderItemLocator;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.papyrus.uml.diagram.common.editparts.RoundedBorderNamedElementEditPart;
+import org.eclipse.papyrus.uml.diagram.common.editpolicies.AffixedNodeAlignmentEditPolicy;
+import org.eclipse.papyrus.uml.diagram.common.editpolicies.AllowResizeAffixedNodeAlignmentEditPolicy;
+import org.eclipse.papyrus.uml.diagram.composite.custom.locators.CustomPortPositionLocator;
+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ClassCompositeEditPart;
+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortEditPart;
+
+
+/**
+ * 
+ * This class just takes care of installing a new policy that calls the resize command of a child item (a port in this case).
+ * 
+ * @author Trung-Truc Nguyen
+ *
+ */
+public class CustomClassCompositeEditPart extends ClassCompositeEditPart{
+
+	/**
+	 * Constructor.
+	 *
+	 * @param view
+	 */
+	public CustomClassCompositeEditPart(View view) {
+		super(view);
+		installEditPolicy(AffixedNodeAlignmentEditPolicy.AFFIXED_CHILD_ALIGNMENT_ROLE, new AllowResizeAffixedNodeAlignmentEditPolicy());
+	}
+
+	public void installEditPolicy(Object key, EditPolicy editPolicy) {
+		if (AffixedNodeAlignmentEditPolicy.AFFIXED_CHILD_ALIGNMENT_ROLE.equals(key)) {
+			if (editPolicy instanceof AllowResizeAffixedNodeAlignmentEditPolicy)
+				super.installEditPolicy(key, editPolicy);
+		}
+		else 
+			super.installEditPolicy(key, editPolicy);
+	}
+	
+	protected boolean addFixedChild(EditPart childEditPart) {
+		//Papyrus Gencode :Affixed Port locator
+		if(childEditPart instanceof PortEditPart) {
+			IBorderItemLocator locator = new CustomPortPositionLocator(getMainFigure(), (RoundedBorderNamedElementEditPart) childEditPart, PositionConstants.NONE);
+			getBorderedFigure().getBorderItemContainer().add(((PortEditPart)childEditPart).getFigure(), locator);
+			return true;
+		}
+		return super.addFixedChild(childEditPart);
+	}
+}
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomEditPartFactory.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomEditPartFactory.java
index ef0899bffe3..fdc9719c420 100644
--- a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomEditPartFactory.java
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomEditPartFactory.java
@@ -15,6 +15,7 @@ package org.eclipse.papyrus.uml.diagram.composite.custom.edit.parts;
 

 import org.eclipse.gef.EditPart;

 import org.eclipse.gmf.runtime.notation.View;

+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ClassCompositeEditPart;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ConnectorMultiplicitySourceEditPart;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ConnectorMultiplicityTargetEditPart;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ConstraintEditPartCN;

@@ -23,6 +24,7 @@ import org.eclipse.papyrus.uml.diagram.composite.edit.parts.ParameterAppliedSter
 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortAppliedStereotypeEditPart;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortEditPart;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortNameEditPart;

+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PropertyPartEditPartCN;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.TimeObservationStereotypeLabelEditPart;

 import org.eclipse.papyrus.uml.diagram.composite.edit.parts.UMLEditPartFactory;

 import org.eclipse.papyrus.uml.diagram.composite.part.UMLVisualIDRegistry;

@@ -48,7 +50,7 @@ public class CustomEditPartFactory extends UMLEditPartFactory {
 			case ConstraintEditPartCN.VISUAL_ID:

 				return new CustomConstraintEditPartCN(view);

 			case PortEditPart.VISUAL_ID:

-				return new CustomPortEditPart(view);

+				return new CustomFullPortAffixedEditPart(view);

 			case PortNameEditPart.VISUAL_ID:

 				return new CustomPortNameEditPart(view);

 			case DurationObservationStereotypeLabelEditPart.VISUAL_ID:

@@ -57,8 +59,12 @@ public class CustomEditPartFactory extends UMLEditPartFactory {
 				return new CustomParameterAppliedStereotypeEditPart(view);

 			case PortAppliedStereotypeEditPart.VISUAL_ID:

 				return new CustomPortAppliedStereotypeEditPart(view);

+			case ClassCompositeEditPart.VISUAL_ID:

+				return new CustomClassCompositeEditPart(view);

 			case TimeObservationStereotypeLabelEditPart.VISUAL_ID:

 				return new CustomTimeObservationStereotypeLabelEditPart(view);

+			case PropertyPartEditPartCN.VISUAL_ID:

+				return new CustomPropertyPartEditPartCN(view);

 			}

 		}

 		return super.createEditPart(context, model);

diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomFullPortAffixedEditPart.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomFullPortAffixedEditPart.java
new file mode 100644
index 00000000000..d6fcdd8c59f
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomFullPortAffixedEditPart.java
@@ -0,0 +1,86 @@
+/*****************************************************************************
+ * Copyright (c) 2016 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:
+ *   CEA LIST - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.diagram.composite.custom.edit.parts;
+
+import org.eclipse.gef.EditPolicy;
+import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
+import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
+import org.eclipse.gmf.runtime.notation.NotationPackage;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.papyrus.infra.gmfdiag.common.preferences.PreferencesConstantsHelper;
+import org.eclipse.papyrus.uml.diagram.common.Activator;
+import org.eclipse.papyrus.uml.diagram.common.editpolicies.AffixedNodeAlignmentEditPolicy;
+import org.eclipse.papyrus.uml.diagram.common.editpolicies.PortResizableEditPolicy;
+import org.eclipse.papyrus.uml.diagram.common.helper.PreferenceInitializerForElementHelper;
+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortEditPart;
+
+
+/**
+ * This class is used for 2 purposes. 
+ * 1. Install new ResizablePolicy for port
+ * 2. Override Affixed_child_alignment_role policy for resize commands
+ * @author Trung-Truc Nguyen
+ *
+ */
+public class CustomFullPortAffixedEditPart extends PortEditPart{
+
+	/**
+	 * Constructor.
+	 *
+	 * @param view
+	 */
+	public CustomFullPortAffixedEditPart(View view) {
+		super(view);
+		installEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE, new PortResizableEditPolicy());
+		installEditPolicy(AffixedNodeAlignmentEditPolicy.AFFIXED_CHILD_ALIGNMENT_ROLE, new PortResizableEditPolicy());
+	}
+
+	public void installEditPolicy(Object key, EditPolicy editPolicy){
+		if(EditPolicy.PRIMARY_DRAG_ROLE.equals(key)) {
+			//prevent its parents from overriding this policy 
+			if(editPolicy instanceof PortResizableEditPolicy)
+				super.installEditPolicy(key, editPolicy);
+		} 
+		else 
+			super.installEditPolicy(key, editPolicy);
+	}
+	
+	/**
+	 * this override method serves to resize the DefaultSizeNodeFigure each time the diagram is opened.
+	 * without this, the DefaultNodeFigure size is 20x20 by default although the size of port figure is different.
+	 */
+	protected NodeFigure createNodePlate() {
+		String prefElementId = getNotationView().getType();
+		IPreferenceStore store = Activator.getDefault().getPreferenceStore();
+		String preferenceConstantWitdh = PreferenceInitializerForElementHelper.getpreferenceKey(getNotationView(), prefElementId, PreferencesConstantsHelper.WIDTH);
+		String preferenceConstantHeight = PreferenceInitializerForElementHelper.getpreferenceKey(getNotationView(), prefElementId, PreferencesConstantsHelper.HEIGHT);
+		DefaultSizeNodeFigure result = new DefaultSizeNodeFigure(store.getInt(preferenceConstantWitdh), store.getInt(preferenceConstantHeight));
+		
+		int width = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE.getSize_Width())).intValue();
+		int height = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE.getSize_Height())).intValue();
+		
+//		Dimension size = new Dimension(width, height);
+		// FIXME: workaround for #154536
+
+		int w = width  > 20 ? width  : 20;
+		int h = height > 20 ? height : 20;
+		
+		result.getBounds().setSize(w, h);
+		result.setDefaultSize(w, h);
+		
+		
+		return result;
+	}
+}
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomPropertyPartEditPartCN.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomPropertyPartEditPartCN.java
new file mode 100644
index 00000000000..44405447291
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/edit/parts/CustomPropertyPartEditPartCN.java
@@ -0,0 +1,58 @@
+/*****************************************************************************
+ * Copyright (c) 2016 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:
+ *   CEA LIST - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.diagram.composite.custom.edit.parts;
+
+import org.eclipse.draw2d.PositionConstants;
+import org.eclipse.gef.EditPart;
+import org.eclipse.gef.EditPolicy;
+import org.eclipse.gmf.runtime.diagram.ui.figures.IBorderItemLocator;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.papyrus.uml.diagram.common.editparts.RoundedBorderNamedElementEditPart;
+import org.eclipse.papyrus.uml.diagram.common.editpolicies.AffixedNodeAlignmentEditPolicy;
+import org.eclipse.papyrus.uml.diagram.common.editpolicies.AllowResizeAffixedNodeAlignmentEditPolicy;
+import org.eclipse.papyrus.uml.diagram.composite.custom.locators.CustomPortPositionLocator;
+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortEditPart;
+import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PropertyPartEditPartCN;
+
+public class CustomPropertyPartEditPartCN extends PropertyPartEditPartCN {
+
+	/**
+	 * Constructor.
+	 *
+	 * @param view
+	 */
+	public CustomPropertyPartEditPartCN(View view) {
+		super(view);
+		installEditPolicy(AffixedNodeAlignmentEditPolicy.AFFIXED_CHILD_ALIGNMENT_ROLE, new AllowResizeAffixedNodeAlignmentEditPolicy());
+	}
+	public void installEditPolicy(Object key, EditPolicy editPolicy) {
+		if (AffixedNodeAlignmentEditPolicy.AFFIXED_CHILD_ALIGNMENT_ROLE.equals(key)) {
+			if (editPolicy instanceof AllowResizeAffixedNodeAlignmentEditPolicy)
+				super.installEditPolicy(key, editPolicy);
+		}
+		else 
+			super.installEditPolicy(key, editPolicy);
+	}
+
+	protected boolean addFixedChild(EditPart childEditPart) {
+		
+		//Papyrus Gencode :Affixed Port locator
+		if(childEditPart instanceof PortEditPart) {
+			IBorderItemLocator locator = new CustomPortPositionLocator(getMainFigure(), (RoundedBorderNamedElementEditPart) childEditPart, PositionConstants.NONE);
+			getBorderedFigure().getBorderItemContainer().add(((PortEditPart)childEditPart).getFigure(), locator);
+			return true;
+		}
+		return super.addFixedChild(childEditPart);
+	}
+}
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/locators/CustomPortPositionLocator.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/locators/CustomPortPositionLocator.java
new file mode 100644
index 00000000000..a1ed9e68e64
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.composite/custom-src/org/eclipse/papyrus/uml/diagram/composite/custom/locators/CustomPortPositionLocator.java
@@ -0,0 +1,225 @@
+/*****************************************************************************

+ * Copyright (c) 2016 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:

+ *   CEA LIST - Initial API and implementation

+ *   

+ *****************************************************************************/

+

+package org.eclipse.papyrus.uml.diagram.composite.custom.locators;

+

+import org.eclipse.draw2d.IFigure;

+import org.eclipse.draw2d.PositionConstants;

+import org.eclipse.draw2d.geometry.Rectangle;

+import org.eclipse.papyrus.uml.diagram.common.editparts.RoundedBorderNamedElementEditPart;

+import org.eclipse.papyrus.uml.diagram.common.locator.PortPositionLocator;

+

+/**

+ * This class helps to set the port location on a figure border. 

+ * If the port size is 20x20 -> it keeps the same value with the PortPositionLocator class. (10 inside and 10 outside 

+ * of the figure)

+ * If the port size is different from 20x20, it will set the inside part of the port on the figure 

+ * border is always 10. If using the PortPositionLocator, the inside part of the port may bigger than 

+ * the outside and may cause some difficulties for other parts location inside of the figure border.

+ * 

+ * @author Trung-Truc Nguyen

+ *

+ */

+public class CustomPortPositionLocator extends PortPositionLocator {

+

+	protected RoundedBorderNamedElementEditPart portEditPart = null;

+	

+	

+

+	public CustomPortPositionLocator(IFigure parentFigure, RoundedBorderNamedElementEditPart childEditPart,

+			int none) {

+		super(parentFigure, none);

+		portEditPart = childEditPart;

+	}

+

+	/**

+	 * This method helps to set the Port location which is satisfied the criterion on the top of the class.

+	 * @param proposedLocation

+	 *            the proposed location

+	 * @return a possible location on parent figure border

+	 */

+	public final Rectangle getPreferredLocation(Rectangle proposedLocation) {

+

+		// Initialize port location with proposed location

+		// and resolve the bounds of it graphical parent

+		Rectangle realLocation = new Rectangle(proposedLocation);

+

+		Rectangle parentRec = getParentFigure().getBounds().getCopy();

+

+		Rectangle thisRec = portEditPart.getFigure().getBounds().getCopy();

+		

+		// Calculate Max position around the graphical parent (1/2 size or the port around

+		// the graphical parent bounds.

+//		int xMin = parentRec.x - thisRec.width + borderItemOffset;

+		int xMin = parentRec.x - thisRec.width/2;		

+//		int xMax = parentRec.x - borderItemOffset + parentRec.width;

+		int xMax = parentRec.x + parentRec.width - thisRec.width/2;

+		

+//		int yMin = parentRec.y - thisRec.height + borderItemOffset;

+		int yMin = parentRec.y - thisRec.height/2;		

+//		int yMax = parentRec.y - borderItemOffset + parentRec.height;

+		int yMax = parentRec.y + parentRec.height - thisRec.height/2;

+

+		// Modify Port location if MAX X or Y are exceeded

+		if (realLocation.x < xMin) {

+			realLocation.x = xMin;

+		}

+

+		if (realLocation.x > xMax) {

+			realLocation.x = xMax;

+		}

+

+		if (realLocation.y < yMin) {

+			realLocation.y = yMin;

+		}

+

+		if (realLocation.y > yMax) {

+			realLocation.y = yMax;

+		}

+

+		// commented by V. Lorenzo to allow to create port on the top of a figure

+		// replaced by the next block of code

+

+		// Ensure the port is positioned on its parent borders and not in the middle.

+		// Modify position if needed.

+		// if((realLocation.y != yMin) && (realLocation.y != yMax)) {

+		// if((realLocation.x != xMin) && (realLocation.x != xMax)) {

+		//

+		// if(realLocation.x <= (xMin + (parentRec.width / 2))) {

+		// realLocation.x = xMin;

+		// } else {

+		// realLocation.x = xMax;

+		// }

+		// }

+		// }

+

+		// this code replaces the previous commented lines

+		final Rectangle maxRect = parentRec.getCopy();

+		maxRect.shrink(-borderItemOffset, -borderItemOffset);

+		while (maxRect.contains(realLocation.getLocation())) {

+			maxRect.shrink(1, 1);

+		}

+		int pos = maxRect.getPosition(realLocation.getLocation());

+		switch (pos) {

+		case PositionConstants.NORTH:

+			realLocation.y = yMin;

+			break;

+		case PositionConstants.SOUTH:

+			realLocation.y = yMax;

+			break;

+		case PositionConstants.EAST:

+			realLocation.x = xMax;

+			break;

+		case PositionConstants.WEST:

+			realLocation.x = xMin;

+			break;

+		case PositionConstants.NORTH_EAST:

+			realLocation.x = xMax;

+			realLocation.y = yMin;

+			break;

+		case PositionConstants.NORTH_WEST:

+			realLocation.x = xMin;

+			realLocation.y = yMin;

+			break;

+		case PositionConstants.SOUTH_EAST:

+			realLocation.x = xMax;

+			realLocation.y = yMax;

+			break;

+		case PositionConstants.SOUTH_WEST:

+			realLocation.x = xMin;

+			realLocation.y = yMax;

+			break;

+		}

+

+		// Return constrained location

+		return realLocation;

+	}

+	

+	/**

+	 * Due to the new algorithm of calculating port position, this method need to be recalculated.

+	 * @see org.eclipse.papyrus.uml.diagram.common.locator.PortPositionLocator#getCurrentSideOfParent()

+	 *

+	 * @return

+	 */

+	public int getCurrentSideOfParent() {

+		int position = PositionConstants.NONE;

+		Rectangle thisRec = portEditPart.getFigure().getBounds().getCopy();

+

+		int x = constraint.x;

+		int y = constraint.y;

+//		int h = thisRec.height;

+//		int w = thisRec.width;

+		

+		Rectangle p = parentFigure.getBounds();

+		

+		int xMin = p.x - thisRec.width/2;		

+//		int xMax = parentRec.x - borderItemOffset + parentRec.width;

+		int xMax = p.x + p.width - thisRec.width/2;

+		

+//		int yMin = parentRec.y - thisRec.height + borderItemOffset;

+		int yMin = p.y - thisRec.height/2;		

+//		int yMax = parentRec.y - borderItemOffset + parentRec.height;

+		int yMax = p.y + p.height - thisRec.height/2;

+		

+		if(x == xMin && y == yMin)

+			position = PositionConstants.NORTH_WEST;

+		else if(x == xMin && y == yMax)

+			position = PositionConstants.SOUTH_WEST;

+		else if (x == xMax && y == yMin)

+			position = PositionConstants.NORTH_EAST;

+		else if(x == xMax && y == yMax)

+			position = PositionConstants.SOUTH_EAST;

+		else if(y == yMin)

+			position = PositionConstants.NORTH;

+		else if(y == yMax)

+			position = PositionConstants.SOUTH;

+		else if(x == xMin)

+			position = PositionConstants.WEST;

+		else 

+			position = PositionConstants.EAST;

+		

+		

+//		//NORTH EAST

+//		if(y == borderItemOffset -h && x == p.width - borderItemOffset)

+//			position = PositionConstants.NORTH_EAST;

+//

+//		//NORTH WEST

+//		else if(x == -(w - borderItemOffset) && y == -(h - borderItemOffset)) 

+//			position = PositionConstants.NORTH_WEST;

+//		

+//		//SOUTH WEST

+//		else if(x == -(w - borderItemOffset) && y == p.height - borderItemOffset)

+//			position = PositionConstants.SOUTH_WEST;

+//		

+//		//SOUTH EAST

+//		else if(x == p.width - borderItemOffset && y == p.height - borderItemOffset)

+//			position = PositionConstants.SOUTH_EAST;		

+//		

+//		//EAST

+//		else if(x >= p.width - borderItemOffset )

+//			position = PositionConstants.EAST;

+//		

+//		//WEST

+//		else if(x <= -(w - borderItemOffset))

+//			position = PositionConstants.WEST;

+//		

+//		//NORTH

+//		else if(y <= -(h-borderItemOffset))

+//			position = PositionConstants.NORTH;

+//		//SOUTH

+//		else if(y >= p.height - borderItemOffset)

+//			position = PositionConstants.SOUTH;

+		return position;

+	}

+

+}