X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fg2d%2Fnodes%2FBoundsNode.java;fp=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fg2d%2Fnodes%2FBoundsNode.java;h=edb89c8eb8b00c498440b7d6548d3b0e46f2beef;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..edb89c8eb
--- /dev/null
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/BoundsNode.java
@@ -0,0 +1,79 @@
+/*******************************************************************************
+ * 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.scenegraph.g2d.nodes;
+
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.geom.Rectangle2D;
+
+import org.simantics.scenegraph.g2d.G2DNode;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class BoundsNode extends G2DNode {
+
+    public interface ResizeListener {
+        void controlResized(Rectangle2D bounds);
+    }
+
+    private static final long serialVersionUID = -3215912248617879834L;
+
+    private Rectangle2D       controlbounds    = new Rectangle();
+
+    @SyncField("controlbounds")
+    protected void setControlBounds(Rectangle2D r) {
+        this.controlbounds = r.getBounds2D();
+    }
+
+    @Override
+    public Rectangle2D getBoundsInLocal() {
+        // This node performs no real rendering but returning null
+        // guarantees that its render method will get called.
+        return null;
+    }
+
+    public Rectangle2D getControlBounds() {
+        return controlbounds;
+    }
+
+    @Override
+    public void render(Graphics2D g2d) {
+        Rectangle2D r = (Rectangle2D) g2d.getRenderingHint(G2DRenderingHints.KEY_CONTROL_BOUNDS);
+        if (r != null) {
+            if (!r.equals(controlbounds)) {
+                //System.out.println("new control bounds: " + r);
+                setControlBounds(r);
+                controlResized(r);
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + " [controlbounds=" + controlbounds + "]";
+    }
+
+    private ResizeListener resizeListener = null;
+
+    public void setResizeListener(ResizeListener listener) {
+        this.resizeListener = listener;
+    }
+
+    @ServerSide
+    public void controlResized(Rectangle2D bounds) {
+        if (resizeListener != null && bounds != null)
+            resizeListener.controlResized(bounds);
+    }
+
+}
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