1 files changed, 159 insertions, 0 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/linklf/labels/LinkLFLabelEditPart.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/linklf/labels/LinkLFLabelEditPart.java
new file mode 100755
index 00000000000..6fb2d3922b6
--- /dev/null
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/linklf/labels/LinkLFLabelEditPart.java
@@ -0,0 +1,159 @@
+package  org.eclipse.papyrus.infra.gmfdiag.tooling.runtime.linklf.labels;
+
+import org.eclipse.draw2d.Connection;
+import org.eclipse.draw2d.geometry.Point;
+import org.eclipse.draw2d.geometry.PointList;
+import org.eclipse.draw2d.geometry.Rectangle;
+import org.eclipse.gef.EditPolicy;
+import org.eclipse.gef.editparts.AbstractConnectionEditPart;
+import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
+import org.eclipse.gef.editpolicies.ResizableEditPolicy;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.LabelEditPart;
+import org.eclipse.gmf.runtime.draw2d.ui.geometry.PointListUtilities;
+import org.eclipse.gmf.runtime.notation.NotationPackage;
+import org.eclipse.gmf.runtime.notation.View;
+
+/**
+ * Extends default GMF Runtime {@link LabelEditPart} with custom
+ * {@link LinkLFLabelOffsetConvention}
+ * <p/>
+ * 
+ * @since 3.3
+ */
+public class LinkLFLabelEditPart extends LabelEditPart {
+
+	public LinkLFLabelEditPart(View view) {
+		super(view);
+	}
+
+	@Override
+	public Point getReferencePoint() {
+		if (getParent() instanceof AbstractConnectionEditPart) {
+			int percents = LinkLFLabelOffsetConvention
+					.getPercentageOffsetAmongTheLineForAlignment(getKeyPoint());
+			return calculateRefPoint2(percents);
+		}
+		return getParent().getFigure().getBounds().getTopLeft();
+	}
+
+	@Override
+	public AbstractGraphicalEditPart getParent() {
+		return (AbstractGraphicalEditPart) super.getParent();
+	}
+
+	/**
+	 * [GMFRT] make protected
+	 * <p/>
+	 * Calculates a point located at a percentage of the connection
+	 * 
+	 * @param percent
+	 * @return the point
+	 * @deprecated copy pasted from super class where it is private
+	 */
+	@Deprecated
+	protected final Point calculateRefPoint2(int percent) {
+		if (getParent() instanceof AbstractConnectionEditPart) {
+			PointList ptList = ((Connection) ((ConnectionEditPart) getParent())
+					.getFigure()).getPoints();
+			Point refPoint = PointListUtilities.calculatePointRelativeToLine(
+					ptList, 0, percent, true);
+			return refPoint;
+		} else if (getParent() instanceof GraphicalEditPart) {
+			return ((AbstractGraphicalEditPart) getParent()).getFigure()
+					.getBounds().getTopLeft();
+		}
+		return null;
+	}
+
+	public void refreshBounds() {
+		if (isResizable()) {
+			handleResizableRefreshBounds();
+		} else {
+			handleNonResizableRefreshBounds();
+		}
+	}
+
+	/**
+	 * [GMFRT] make protected
+	 * <p/>
+	 * check if the edit part had a resizable edit policy installed or not
+	 * 
+	 * @return true is resizable edit policy is installed otherwise false
+	 * @deprecated copy pasted from super class where it is private
+	 */
+	@Deprecated
+	protected boolean isResizable() {
+		EditPolicy editPolicy = getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
+		return editPolicy instanceof ResizableEditPolicy;
+	}
+
+	/**
+	 * [GMFRT] make protected, then override
+	 * <p/>
+	 * handles non resizable label refresh bounds
+	 * 
+	 * @deprecated copy pasted AND MODIFIED from super class where it is
+	 *             private: {@link LinkLFLabelLocator}
+	 */
+	@Deprecated
+	protected void handleNonResizableRefreshBounds() {
+		int dx = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
+				.getLocation_X())).intValue();
+		int dy = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
+				.getLocation_Y())).intValue();
+		Point offset = new Point(dx, dy);
+		if (getParent() instanceof AbstractConnectionEditPart) {
+			((AbstractGraphicalEditPart) getParent()).setLayoutConstraint(
+					this,
+					getFigure(),
+					new LinkLFLabelLocator(
+							((AbstractConnectionEditPart) getParent())
+									.getConnectionFigure(), offset,
+							getKeyPoint()));
+		} else {
+			getFigure().getParent().setConstraint(
+					getFigure(),
+					new LinkLFLabelLocator(getFigure().getParent(), offset,
+							getKeyPoint()));
+		}
+
+	}
+
+	/**
+	 * [GMFRT] make protected, then override
+	 * <p/>
+	 * handles resizable lable refresh bounds
+	 * 
+	 * @deprecated copy pasted AND MODIFIED from super class where it is
+	 *             private: {@link LinkLFResizableLabelLocator}
+	 */
+	@Deprecated
+	protected void handleResizableRefreshBounds() {
+		int dx = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
+				.getLocation_X())).intValue();
+		int dy = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
+				.getLocation_Y())).intValue();
+		int width = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
+				.getSize_Width())).intValue();
+		int height = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
+				.getSize_Height())).intValue();
+		Rectangle rectangle = new Rectangle(dx, dy, width, height);
+		if (getParent() instanceof AbstractConnectionEditPart) {
+			((AbstractGraphicalEditPart) getParent()).setLayoutConstraint(
+					this,
+					getFigure(),
+					new LinkLFResizableLabelLocator(
+							((AbstractConnectionEditPart) getParent())
+									.getConnectionFigure(), rectangle,
+							getKeyPoint()));
+		} else {
+			getFigure().getParent().setConstraint(
+					getFigure(),
+					new LinkLFResizableLabelLocator(getFigure().getParent(),
+							rectangle, getKeyPoint()));
+		}
+	}
+
+}