X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Flayers%2FSimpleLayer.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Flayers%2FSimpleLayer.java;h=3d426fbbd0b3acc1bc1d64d4424a0ac6e0755591;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
index 000000000..3d426fbbd
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/layers/SimpleLayer.java
@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.layers;
+
+import java.util.concurrent.CopyOnWriteArrayList;
+
+/**
+ * @author Antti Villberg
+ */
+public class SimpleLayer implements IEditableLayer {
+
+    private CopyOnWriteArrayList<ILayerListener> listeners = new CopyOnWriteArrayList<ILayerListener>();
+
+    private String name;
+
+    public SimpleLayer(String name) {
+        if (name == null)
+            throw new IllegalArgumentException("null name");
+        this.name = name;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public void setName(String name) {
+        if (name == null)
+            throw new IllegalArgumentException("null name");
+        String oldName = this.name;
+        this.name = name;
+        if (!name.equals(oldName)) {
+            fireLayerChanged(new LayerChangeEvent(this, PROP_NAME, oldName, name));
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        return name.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        SimpleLayer other = (SimpleLayer) obj;
+        return name.equals(other.name);
+    }
+
+    @Override
+    public void addLayerListener(ILayerListener l) {
+        listeners.add(l);
+    }
+
+    @Override
+    public void removeLayerListener(ILayerListener l) {
+        listeners.remove(l);
+    }
+
+    protected void fireLayerChanged(LayerChangeEvent event) {
+        for (ILayerListener l : listeners) {
+            l.layerChanged(event);
+        }
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "[" + name + "]";
+    }
+
+}