Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/TextPainter.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/TextPainter.java
new file mode 100644 (file)
index 0000000..0ee4d3a
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/TextPainter.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.g2d.element.handler.impl;\r
+\r
+import java.awt.Color;\r
+import java.awt.Font;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.SceneGraphNodeKey;\r
+import org.simantics.g2d.element.handler.InternalSize;\r
+import org.simantics.g2d.element.handler.SceneGraph;\r
+import org.simantics.g2d.element.handler.Text;\r
+import org.simantics.scenegraph.Node;\r
+import org.simantics.scenegraph.g2d.G2DParentNode;\r
+import org.simantics.scenegraph.g2d.nodes.TextNode;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+\r
+/**\r
+ * @author Toni Kalajainen\r
+ */\r
+public class TextPainter implements SceneGraph {\r
+\r
+    /**\r
+     * \r
+     */\r
+    private static final long serialVersionUID = -4156239790629253738L;\r
+    \r
+    static final Font FONT = Font.decode("Arial 6");\r
+\r
+    public static final Key SG_NODE = new SceneGraphNodeKey(Node.class, "SUB_SG_NODE");\r
+\r
+    @Override\r
+    public void cleanup(IElement e) {\r
+        Node node = e.removeHint(SG_NODE);\r
+        if (node != null)\r
+            node.remove();\r
+    }\r
+\r
+    @Override\r
+    public void init(IElement e, G2DParentNode parent) {\r
+        TextNode node = (TextNode) e.getHint(SG_NODE);\r
+        if (node == null) {\r
+            node = parent.addNode(TextNode.class);\r
+            e.setHint(SG_NODE, node);\r
+        }\r
+\r
+        Color bc = ElementUtils.getTextColor(e, Color.BLACK);\r
+        InternalSize b = e.getElementClass().getSingleItem(InternalSize.class);\r
+        Rectangle2D r = b.getBounds(e, null);\r
+        if (r ==  null)\r
+            return;\r
+        Text t = e.getElementClass().getAtMostOneItemOfClass(Text.class);\r
+        if (t == null)\r
+            return;\r
+        String text = t.getText(e);\r
+        if (text == null)\r
+            return;\r
+        AffineTransform at = ElementUtils.getTransform(e);\r
+        \r
+        node.setFont(FONT);\r
+        node.setColor(bc);\r
+        node.setBounds(r);\r
+        node.setText(text);\r
+        node.setTransform(at);\r
+    }\r
+\r
+}\r