Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / element / handler / impl / MoveImpl.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/MoveImpl.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/MoveImpl.java
new file mode 100644 (file)
index 0000000..e9c075d
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/MoveImpl.java
@@ -0,0 +1,54 @@
+/*******************************************************************************\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.geom.AffineTransform;\r
+import java.awt.geom.Point2D;\r
+\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.handler.Move;\r
+\r
+/**\r
+ * This implementation of Move transforms element variable ElementHints.KEY_TRANSFORM. \r
+ * \r
+ * @author Toni Kalajainen\r
+ */\r
+public class MoveImpl implements Move {\r
+\r
+    private static final long serialVersionUID = 1395438821342445141L;\r
+\r
+    public static final MoveImpl HANDLER = new MoveImpl(); \r
+\r
+    @Override\r
+    public Point2D getPosition(IElement e) {\r
+        AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
+        Point2D p = new Point2D.Double(\r
+                at.getTranslateX(),\r
+                at.getTranslateY());\r
+        return p;\r
+    }\r
+\r
+    @Override\r
+    public void moveTo(IElement e, double x, double y) {               \r
+        AffineTransform origAt = e.getHint(ElementHints.KEY_TRANSFORM);\r
+        double oldX = origAt.getTranslateX();\r
+        double oldY = origAt.getTranslateY();\r
+        AffineTransform move = new AffineTransform();\r
+        move.setToTranslation(x-oldX, y-oldY);\r
+        AffineTransform at2 = new AffineTransform(origAt);\r
+        at2.preConcatenate(move);\r
+        e.setHint(ElementHints.KEY_TRANSFORM, at2);\r
+    }\r
+\r
+\r
+}\r