Show anchorage labels on the outside of components

Signed-off-by: Ulrich Schöpp <schoepp@fortiss.org>
Issue-Ref: 4184

org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/visual/.ratings

@@ -7,7 +7,7 @@ LayoutedLineLinkVisual.java 5fc26086e2f63afee403379ba8f09f5113d4c025 GREEN
 LayoutedRectangularAnchorageContentVisualBase.java 9d5ab8fbad2900a26ec5ea620f9f1a2a1656da77 GREEN
 LayoutedRectangularAnchorageDiagramVisualBase.java b9aa51cce71d8f6c4e400f6019b3cab0a1ed6df6 GREEN
 LayoutedRectangularContentVisualBase.java 61698ffd771ee2ad798025df8195d1bc09c2c765 GREEN
-NamedLayoutedCircularAnchorageContentVisual.java 5ba0b5d133998eac47425696ef0a02b575418c2d GREEN
+NamedLayoutedCircularAnchorageContentVisual.java e1427071046afe94a6e6e1d54fec39387d94ee36 YELLOW
 NamedLayoutedCircularAnchorageDiagramVisual.java eb1e736d7715b86dbc3ca0551bb754157f71cc5f GREEN
 NamedLayoutedCurveLinkVisual.java 7945b2f550d5e4804f44891294ee60cc8ffcbf1e GREEN
 NamedLayoutedEllipticContentVisual.java f96a956c2f71b675eee56cfc613684397545da68 GREEN

org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/visual/NamedLayoutedCircularAnchorageContentVisual.java

@@ -24,6 +24,7 @@ import org.fortiss.tooling.common.ui.javafx.lwfxef.mvc.IContentAnchorageMVCBundl
 import org.fortiss.tooling.common.ui.javafx.lwfxef.visual.IVisual;
 import org.fortiss.tooling.kernel.model.INamedElement;
 
+import javafx.geometry.Bounds;
 import javafx.geometry.Rectangle2D;
 import javafx.geometry.VPos;
 import javafx.scene.text.Text;
@@ -61,6 +62,30 @@ public class NamedLayoutedCircularAnchorageContentVisual<T extends ILayoutedMode
 			if(nameText.getParent() == null) {
 				layers.getVisualFeedbackLayer().add(nameText, getMVCBundle());
 			}
+
+			// Depending on the side, show text to left or top of anchorage.
+			Bounds textBounds = nameText.getBoundsInLocal();
+			double width = textBounds.getWidth() + bounds.getWidth();
+			double verticalMiddle = bounds.getHeight() / 2;
+			Rectangle2D attachedToBounds =
+					getMVCBundle().getAttachedTo().getVisual().getCurrentBounds();
+			// left
+			if(textBounds.getMaxX() >= attachedToBounds.getMinX() &&
+					textBounds.getMaxX() - width < attachedToBounds.getMinX() &&
+					textBounds.getMinX() - width >= 0) {
+				nameText.setX(nameText.getX() - width);
+			}
+			// top
+			if(textBounds.getMaxY() >= attachedToBounds.getMinY() &&
+					textBounds.getMaxY() - verticalMiddle < attachedToBounds.getMinY() &&
+					textBounds.getMinY() - verticalMiddle >= 0) {
+				nameText.setY(nameText.getY() - verticalMiddle);
+			}
+			// bottom
+			if(textBounds.getMinY() <= attachedToBounds.getMaxY() &&
+					textBounds.getMaxY() + bounds.getHeight() / 2 >= attachedToBounds.getMaxY()) {
+				nameText.setY(nameText.getY() + verticalMiddle);
+			}
 		} else if(nameText.getParent() != null) {
 			layers.getVisualFeedbackLayer().remove(nameText);
 		}