Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/ResizeableImagePaint.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/ResizeableImagePaint.java
new file mode 100644 (file)
index 0000000..50ad486
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/ResizeableImagePaint.java
@@ -0,0 +1,110 @@
+/*******************************************************************************\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.Rectangle2D;\r
+\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.SceneGraphNodeKey;\r
+import org.simantics.g2d.element.handler.Clickable;\r
+import org.simantics.g2d.element.handler.Clickable.PressStatus;\r
+import org.simantics.g2d.element.handler.SceneGraph;\r
+import org.simantics.g2d.element.handler.Togglable;\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.scenegraph.Node;\r
+import org.simantics.scenegraph.g2d.G2DNode;\r
+import org.simantics.scenegraph.g2d.G2DParentNode;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+import org.simantics.utils.datastructures.hints.IHintListener;\r
+import org.simantics.utils.datastructures.hints.IHintObservable;\r
+\r
+/**\r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ *\r
+ */\r
+public abstract class ResizeableImagePaint implements SceneGraph {\r
+\r
+       private static final long serialVersionUID = 5955540004168283683L;\r
+       public static final Key  KEY_SG_NODE             = new SceneGraphNodeKey(Node.class, "RESIZABLE_IMAGE_SG_NODE");\r
+       \r
+\r
+       public ResizeableImagePaint() {\r
+\r
+       }\r
+       \r
+    @Override\r
+    public void init(final IElement e, final G2DParentNode parent) {\r
+       System.out.println("ResizeableImagePaint.init");\r
+        Togglable togglable = e.getElementClass().getAtMostOneItemOfClass(Togglable.class);\r
+        boolean        toggled = false;\r
+        if (togglable != null)\r
+            toggled = togglable.isChecked(e);\r
+\r
+        Clickable.PressStatus status = null;\r
+        Clickable clickable = e.getElementClass().getAtMostOneItemOfClass(Clickable.class);\r
+               status = PressStatus.NORMAL;//clickable.getPressStatus(e, ctx);\r
+\r
+               Image image = getImage(status, toggled);\r
+               \r
+               \r
+               Node node = e.getHint(KEY_SG_NODE);\r
+               if (node != null)\r
+                       node.remove();\r
+               \r
+               node = image.init(parent);\r
+               e.setHint(KEY_SG_NODE, node);\r
+               e.addHintListener(new IHintListener() {\r
+                       \r
+                       @Override\r
+                       public void hintRemoved(IHintObservable sender, Key key, Object oldValue) {\r
+                               // TODO Auto-generated method stub\r
+                               \r
+                       }\r
+                       \r
+                       @Override\r
+                       public void hintChanged(IHintObservable sender, Key key, Object oldValue,\r
+                                       Object newValue) {\r
+                               if (key == ElementHints.KEY_TRANSFORM) {\r
+                                       G2DNode node = e.getHint(KEY_SG_NODE);\r
+                                       Rectangle2D size = e.getHint(ElementHints.KEY_BOUNDS);\r
+                                       AffineTransform at = (AffineTransform)newValue;\r
+                                       AffineTransform at2 = node.getTransform();\r
+                                       node.setTransform(new AffineTransform(at2.getScaleX(),at2.getShearX(),at2.getShearY(),at2.getScaleY(),at.getTranslateX()+size.getWidth()*0.5,at.getTranslateY()+size.getHeight()*0.5));\r
+                               }\r
+                               if (key == ElementHints.KEY_BOUNDS) {\r
+                                       G2DNode node = e.getHint(KEY_SG_NODE);\r
+                                       Rectangle2D size = (Rectangle2D)newValue;\r
+                                       Rectangle2D bounds = node.getBoundsInLocal();\r
+                                       AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
+                                       \r
+                                       node.setTransform(new AffineTransform(size.getWidth()/bounds.getWidth(),0,0,size.getHeight()/bounds.getHeight(),at.getTranslateX()+size.getWidth()*0.5,at.getTranslateY()+size.getHeight()*0.5));\r
+                               }\r
+                                       \r
+                               \r
+                       }\r
+               });\r
+               \r
+    }\r
+\r
+    public void cleanup(final IElement e) {\r
+       Node node = e.getHint(KEY_SG_NODE);\r
+               if (node != null)\r
+                       node.remove();\r
+       \r
+    }\r
+\r
+    public abstract Image getImage(Clickable.PressStatus status, boolean toggled);\r
+\r
+}\r