Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scenegraph / src / org / simantics / scenegraph / g2d / nodes / BoundsNode.java

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/BoundsNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/BoundsNode.java
new file mode 100644 (file)
index 0000000..edb89c8
--- /dev/null
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/BoundsNode.java
@@ -0,0 +1,79 @@
+/*******************************************************************************\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.scenegraph.g2d.nodes;\r
+\r
+import java.awt.Graphics2D;\r
+import java.awt.Rectangle;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.scenegraph.g2d.G2DNode;\r
+import org.simantics.scenegraph.g2d.G2DRenderingHints;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class BoundsNode extends G2DNode {\r
+\r
+    public interface ResizeListener {\r
+        void controlResized(Rectangle2D bounds);\r
+    }\r
+\r
+    private static final long serialVersionUID = -3215912248617879834L;\r
+\r
+    private Rectangle2D       controlbounds    = new Rectangle();\r
+\r
+    @SyncField("controlbounds")\r
+    protected void setControlBounds(Rectangle2D r) {\r
+        this.controlbounds = r.getBounds2D();\r
+    }\r
+\r
+    @Override\r
+    public Rectangle2D getBoundsInLocal() {\r
+        // This node performs no real rendering but returning null\r
+        // guarantees that its render method will get called.\r
+        return null;\r
+    }\r
+\r
+    public Rectangle2D getControlBounds() {\r
+        return controlbounds;\r
+    }\r
+\r
+    @Override\r
+    public void render(Graphics2D g2d) {\r
+        Rectangle2D r = (Rectangle2D) g2d.getRenderingHint(G2DRenderingHints.KEY_CONTROL_BOUNDS);\r
+        if (r != null) {\r
+            if (!r.equals(controlbounds)) {\r
+                //System.out.println("new control bounds: " + r);\r
+                setControlBounds(r);\r
+                controlResized(r);\r
+            }\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return super.toString() + " [controlbounds=" + controlbounds + "]";\r
+    }\r
+\r
+    private ResizeListener resizeListener = null;\r
+\r
+    public void setResizeListener(ResizeListener listener) {\r
+        this.resizeListener = listener;\r
+    }\r
+\r
+    @ServerSide\r
+    public void controlResized(Rectangle2D bounds) {\r
+        if (resizeListener != null && bounds != null)\r
+            resizeListener.controlResized(bounds);\r
+    }\r
+\r
+}
\ No newline at end of file