Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / layers / SimpleLayer.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/layers/SimpleLayer.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/layers/SimpleLayer.java
new file mode 100644 (file)
index 0000000..3d426fb
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/layers/SimpleLayer.java
@@ -0,0 +1,85 @@
+/*******************************************************************************\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.layers;\r
+\r
+import java.util.concurrent.CopyOnWriteArrayList;\r
+\r
+/**\r
+ * @author Antti Villberg\r
+ */\r
+public class SimpleLayer implements IEditableLayer {\r
+\r
+    private CopyOnWriteArrayList<ILayerListener> listeners = new CopyOnWriteArrayList<ILayerListener>();\r
+\r
+    private String name;\r
+\r
+    public SimpleLayer(String name) {\r
+        if (name == null)\r
+            throw new IllegalArgumentException("null name");\r
+        this.name = name;\r
+    }\r
+\r
+    @Override\r
+    public String getName() {\r
+        return name;\r
+    }\r
+\r
+    @Override\r
+    public void setName(String name) {\r
+        if (name == null)\r
+            throw new IllegalArgumentException("null name");\r
+        String oldName = this.name;\r
+        this.name = name;\r
+        if (!name.equals(oldName)) {\r
+            fireLayerChanged(new LayerChangeEvent(this, PROP_NAME, oldName, name));\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public int hashCode() {\r
+        return name.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
+        SimpleLayer other = (SimpleLayer) obj;\r
+        return name.equals(other.name);\r
+    }\r
+\r
+    @Override\r
+    public void addLayerListener(ILayerListener l) {\r
+        listeners.add(l);\r
+    }\r
+\r
+    @Override\r
+    public void removeLayerListener(ILayerListener l) {\r
+        listeners.remove(l);\r
+    }\r
+\r
+    protected void fireLayerChanged(LayerChangeEvent event) {\r
+        for (ILayerListener l : listeners) {\r
+            l.layerChanged(event);\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public String toString() {\r
+        return getClass().getSimpleName() + "[" + name + "]";\r
+    }\r
+\r
+}\r