Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / participant / RenderingQualityInteractor.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/RenderingQualityInteractor.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/RenderingQualityInteractor.java
new file mode 100644 (file)
index 0000000..645308c
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/RenderingQualityInteractor.java
@@ -0,0 +1,88 @@
+/*******************************************************************************\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.participant;\r
+\r
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;\r
+import org.simantics.g2d.canvas.impl.HintReflection.HintListener;\r
+import org.simantics.g2d.scenegraph.SceneGraphConstants;\r
+import org.simantics.scenegraph.INode;\r
+import org.simantics.scenegraph.g2d.G2DSceneGraph;\r
+import org.simantics.scenegraph.g2d.nodes.NavigationNode;\r
+import org.simantics.scenegraph.utils.Quality;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
+import org.simantics.utils.datastructures.hints.IHintObservable;\r
+\r
+/**\r
+ * Rendering quality interactor controls dynamic/static rendering quality of\r
+ * the canvas context's scene graph through {@link NavigationNode}.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class RenderingQualityInteractor extends AbstractCanvasParticipant {\r
+\r
+    /**\r
+     * Interpreted to be true if value is TRUE or not defined, false otherwise.\r
+     */\r
+    public static final Key KEY_QUALITY_INTERACTOR_ENABLED = new KeyOf(Boolean.class);\r
+\r
+    /**\r
+     * \r
+     */\r
+    public static final Key KEY_STATIC_QUALITY = new KeyOf(Quality.class);\r
+\r
+    public RenderingQualityInteractor() {\r
+        super();\r
+    }\r
+\r
+    public Quality setStaticQuality(Quality staticQuality) {\r
+        Quality old = getHint(KEY_STATIC_QUALITY);\r
+        if (staticQuality != null)\r
+            setHint(KEY_STATIC_QUALITY, staticQuality);\r
+        else\r
+            removeHint(KEY_STATIC_QUALITY);\r
+        return old;\r
+    }\r
+\r
+    private void setStaticQuality0(Quality staticQuality) {\r
+        if (!isEnabled())\r
+            return;\r
+        NavigationNode nav = getNavigationNode();\r
+        if (nav == null)\r
+            return;\r
+        //System.out.println("static rendering quality: " + staticQuality);\r
+        nav.setStaticQualityMode(staticQuality);\r
+        nav.setDynamicQuality(staticQuality == null);\r
+    }\r
+\r
+    public boolean isEnabled() {\r
+        Boolean qualityPaint = getHint(KEY_QUALITY_INTERACTOR_ENABLED);\r
+        return !Boolean.FALSE.equals(qualityPaint);\r
+    }\r
+\r
+    private NavigationNode getNavigationNode() {\r
+        G2DSceneGraph sg = getContext().getSceneGraph();\r
+        INode node = sg.lookupNode(SceneGraphConstants.NAVIGATION_NODE_NAME);\r
+        return node instanceof NavigationNode ? (NavigationNode) node : null;\r
+    }\r
+\r
+    @HintListener(Class = RenderingQualityInteractor.class, Field = "KEY_STATIC_QUALITY")\r
+    public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {\r
+        setStaticQuality0((Quality) newValue);\r
+    }\r
+\r
+    @HintListener(Class = RenderingQualityInteractor.class, Field = "KEY_STATIC_QUALITY")\r
+    public void hintRemoved(IHintObservable sender, Key key, Object oldValue) {\r
+        setStaticQuality0(null);\r
+    }\r
+\r
+}\r