-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.g2d.element.handler.impl;\r
-\r
-import java.awt.Shape;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.NoninvertibleTransformException;\r
-import java.awt.geom.Rectangle2D;\r
-import java.util.List;\r
-\r
-import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.element.handler.ElementHandler;\r
-import org.simantics.g2d.element.handler.Outline;\r
-import org.simantics.g2d.element.handler.Pick;\r
-import org.simantics.g2d.element.handler.Transform;\r
-import org.simantics.g2d.utils.GeometryUtils;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class OutlinePick implements Pick {\r
-\r
- public static final ElementHandler INSTANCE = new OutlinePick();\r
-\r
- private static final long serialVersionUID = 1L;\r
-\r
- @Override\r
- public boolean pickTest(IElement e, Shape s, PickPolicy policy) {\r
- Rectangle2D pickArea = null;\r
- if (s instanceof Rectangle2D)\r
- pickArea = (Rectangle2D) s;\r
- else\r
- // FIXME: suboptimal, but works.\r
- pickArea = s.getBounds2D();\r
-\r
- // Pick with shape handler(s)\r
- List<Outline> shapeHandlers = e.getElementClass().getItemsByClass(Outline.class);\r
- if (!shapeHandlers.isEmpty()) {\r
- // Convert pick shape to element coordinates\r
- Transform t = e.getElementClass().getSingleItem(Transform.class);\r
- AffineTransform canvasToElement = t.getTransform(e);\r
- AffineTransform elementToCanvas;\r
- try {\r
- elementToCanvas = canvasToElement.createInverse();\r
- } catch (NoninvertibleTransformException e1) {\r
- throw new RuntimeException(e1);\r
- }\r
- Shape pickShapeInElementCoords = GeometryUtils.transformShape(pickArea, elementToCanvas);\r
-\r
- // Intersection with one shape is enough\r
- switch (policy) {\r
- case PICK_INTERSECTING_OBJECTS: {\r
- for (Outline es : shapeHandlers) {\r
- Shape elementShape = es.getElementShape(e);\r
- if (elementShape == null)\r
- return false;\r
- if (GeometryUtils.intersects(pickShapeInElementCoords, elementShape))\r
- return true;\r
- }\r
- return false;\r
- }\r
- case PICK_CONTAINED_OBJECTS: {\r
- for (Outline es : shapeHandlers) {\r
- Shape elementShape = es.getElementShape(e);\r
- if (GeometryUtils.contains(pickShapeInElementCoords, elementShape))\r
- return true;\r
- }\r
- return false;\r
- }\r
- }\r
- }\r
- return false;\r
- }\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.element.handler.impl;
+
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.NoninvertibleTransformException;
+import java.awt.geom.Rectangle2D;
+import java.util.List;
+
+import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.handler.ElementHandler;
+import org.simantics.g2d.element.handler.Outline;
+import org.simantics.g2d.element.handler.Pick;
+import org.simantics.g2d.element.handler.Transform;
+import org.simantics.g2d.utils.GeometryUtils;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class OutlinePick implements Pick {
+
+ public static final ElementHandler INSTANCE = new OutlinePick();
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public boolean pickTest(IElement e, Shape s, PickPolicy policy) {
+ Rectangle2D pickArea = null;
+ if (s instanceof Rectangle2D)
+ pickArea = (Rectangle2D) s;
+ else
+ // FIXME: suboptimal, but works.
+ pickArea = s.getBounds2D();
+
+ // Pick with shape handler(s)
+ List<Outline> shapeHandlers = e.getElementClass().getItemsByClass(Outline.class);
+ if (!shapeHandlers.isEmpty()) {
+ // Convert pick shape to element coordinates
+ Transform t = e.getElementClass().getSingleItem(Transform.class);
+ AffineTransform canvasToElement = t.getTransform(e);
+ AffineTransform elementToCanvas;
+ try {
+ elementToCanvas = canvasToElement.createInverse();
+ } catch (NoninvertibleTransformException e1) {
+ throw new RuntimeException(e1);
+ }
+ Shape pickShapeInElementCoords = GeometryUtils.transformShape(pickArea, elementToCanvas);
+
+ // Intersection with one shape is enough
+ switch (policy) {
+ case PICK_INTERSECTING_OBJECTS: {
+ for (Outline es : shapeHandlers) {
+ Shape elementShape = es.getElementShape(e);
+ if (elementShape == null)
+ return false;
+ if (GeometryUtils.intersects(pickShapeInElementCoords, elementShape))
+ return true;
+ }
+ return false;
+ }
+ case PICK_CONTAINED_OBJECTS: {
+ for (Outline es : shapeHandlers) {
+ Shape elementShape = es.getElementShape(e);
+ if (GeometryUtils.contains(pickShapeInElementCoords, elementShape))
+ return true;
+ }
+ return false;
+ }
+ }
+ }
+ return false;
+ }
+}
Code Review / simantics / platform.git / blobdiff