Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/SingleElementNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/SingleElementNode.java
new file mode 100644 (file)
index 0000000..dc40036
--- /dev/null
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/SingleElementNode.java
@@ -0,0 +1,166 @@
+/*******************************************************************************\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.AlphaComposite;\r
+import java.awt.Composite;\r
+import java.awt.Graphics2D;\r
+\r
+import org.simantics.scenegraph.g2d.IG2DNode;\r
+import org.simantics.scenegraph.utils.InitValueSupport;\r
+\r
+public class SingleElementNode extends TransformNode implements InitValueSupport {\r
+    /**\r
+     * \r
+     */\r
+    private static final long serialVersionUID = -4982578347433716440L;\r
+\r
+    protected Composite composite;\r
+    protected Boolean visible = Boolean.TRUE;\r
+    protected Boolean hidden = Boolean.FALSE;\r
+\r
+    @Override\r
+    public boolean validate() {\r
+        return visible && !hidden;\r
+    }\r
+\r
+    @SyncField("composite")\r
+    public void setComposite(Composite composite) {\r
+        this.composite = composite;\r
+    }\r
+\r
+    @SyncField("visible")\r
+    public void setVisible(Boolean visible) {\r
+        this.visible = visible;\r
+    }\r
+\r
+    public boolean isVisible() {\r
+        return visible;\r
+    }\r
+\r
+    @SyncField("hidden")\r
+    public void setHidden(Boolean hidden) {\r
+        this.hidden = hidden;\r
+    }\r
+\r
+    public boolean isHidden() {\r
+        return hidden;\r
+    }\r
+\r
+    @Override\r
+    public void render(Graphics2D g) {\r
+        if (!visible || hidden)\r
+            return;\r
+\r
+        Composite oldComposite = null;\r
+        if(composite != null) {\r
+            oldComposite = g.getComposite();\r
+            g.setComposite(composite);\r
+        }\r
+        if(alphaComposite != null) {\r
+            if (oldComposite == null)\r
+                oldComposite = g.getComposite();\r
+            g.setComposite(alphaComposite);\r
+        }\r
+\r
+        super.render(g);\r
+\r
+        if (oldComposite != null)\r
+            g.setComposite(oldComposite);\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        StringBuilder sb = new StringBuilder();\r
+        sb.append(super.toString());\r
+        sb.append(" [");\r
+        if (composite != null) {\r
+            sb.append("composite=(");\r
+            AlphaComposite ac = (AlphaComposite) composite;\r
+            sb.append(ac.getRule());\r
+            sb.append(", ");\r
+            sb.append(ac.getAlpha());\r
+            sb.append("), ");\r
+        }\r
+        sb.append("visible=");\r
+        sb.append(visible);\r
+        sb.append("]");\r
+        return sb.toString();\r
+    }\r
+\r
+//    private INode findChild(String key) {\r
+//\r
+//     INode result = getNode(key);\r
+//     if(result != null) return result;\r
+//\r
+//     for(Map.Entry<String, IG2DNode> entry : children.entrySet()) {\r
+//\r
+//             if(!(entry.getValue() instanceof SingleElementNode)) {\r
+//                     if(entry.getKey().startsWith(key)) return entry.getValue();\r
+//             }\r
+//\r
+//     }\r
+//\r
+//     for(IG2DNode node : getNodes()) {\r
+//\r
+//             if(node instanceof SingleElementNode) {\r
+//\r
+//                     result = ((SingleElementNode)node).findChild(key);\r
+//                     if(result != null) return result;\r
+//\r
+//             }\r
+//\r
+//     }\r
+//\r
+//     return null;\r
+//\r
+//    }\r
+\r
+    protected Composite alphaComposite = null;\r
+\r
+    @PropertySetter("alpha")\r
+    @SyncField("alphaComposite")\r
+    public void setAlphaComposite(Composite alphaComposite) {\r
+        this.alphaComposite = alphaComposite;\r
+    }\r
+\r
+//    public void setValue(String key, Object value) {\r
+//\r
+//        if ("alpha".equals(key)) {\r
+//             Float val = Float.parseFloat((String)value);\r
+//             alphaComposite = AlphaComposite.getInstance(AlphaComposite. SRC_OVER, val);\r
+//        } else {\r
+//\r
+//             String[] parts = key.split("\\.");\r
+//             if(parts.length != 2) return;\r
+//\r
+//             INode child = findChild(parts[0]);\r
+//\r
+//             if(child == null) return;\r
+//\r
+////           child.setValue(parts[1], value);\r
+//\r
+//        }\r
+//\r
+//    }\r
+\r
+    @Override\r
+    public void initValues() {\r
+        alphaComposite = null;\r
+        for (IG2DNode node : getSortedNodes()) {\r
+            if (node instanceof InitValueSupport) {\r
+                ((InitValueSupport) node).initValues();\r
+            }\r
+        }\r
+    }\r
+\r
+}\r