Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / node / AbstractNode.java

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/node/AbstractNode.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/node/AbstractNode.java
new file mode 100644 (file)
index 0000000..a95678b
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/node/AbstractNode.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.browsing.ui.common.node;\r
+\r
+import org.eclipse.core.runtime.IAdaptable;\r
+import org.simantics.browsing.ui.common.imagers.ImageURLs;\r
+import org.simantics.browsing.ui.content.Imager;\r
+import org.simantics.browsing.ui.content.Labeler;\r
+import org.simantics.utils.ReflectionUtils;\r
+\r
+public abstract class AbstractNode<T> implements IAdaptable {\r
+\r
+    public final T data;\r
+    public final Class<?> clazz;\r
+\r
+    public AbstractNode(T data) {\r
+        assert(data != null);\r
+        this.data = data;\r
+        clazz = ReflectionUtils.getSingleParameterType(getClass());\r
+    }\r
+\r
+    @Override\r
+    public int hashCode() {\r
+        return data.hashCode() + getClass().hashCode();\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(Object obj) {\r
+        if (this == obj)\r
+            return true;\r
+        if (obj == null)\r
+            return false;\r
+        if (getClass() != obj.getClass())\r
+            return false;\r
+        AbstractNode<?> other = (AbstractNode<?>) obj;\r
+        return data.equals(other.data);\r
+    }\r
+\r
+    @SuppressWarnings({ "rawtypes" })\r
+    @Override\r
+    public Object getAdapter(Class adapter) {\r
+        if(clazz == adapter)\r
+            return data;\r
+        if(Imager.class == adapter)\r
+            return getImager();\r
+        if(ImageURLs.class == adapter)\r
+            return getImageURLs();\r
+        if(Labeler.class == adapter)\r
+            return getLabeler();\r
+        return null;\r
+    }\r
+\r
+    protected Imager getImager() {\r
+        return null;\r
+    }\r
+\r
+    protected ImageURLs getImageURLs() {\r
+        return null;\r
+    }\r
+\r
+    protected Labeler getLabeler() {\r
+        return null;\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return getClass().getSimpleName();\r
+    }\r
+\r
+}\r