X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.client.ui.dist%2Fsrc%2Forg%2Fargeo%2Fslc%2Fclient%2Fui%2Fdist%2Fcontrollers%2FDistTreeComparer.java;fp=org.argeo.slc.client.ui.dist%2Fsrc%2Forg%2Fargeo%2Fslc%2Fclient%2Fui%2Fdist%2Fcontrollers%2FDistTreeComparer.java;h=5c6b9dee3fabcc85f2743ddba242c2737378040e;hb=2db415932b071525adb52c6374e021174512a924;hp=0000000000000000000000000000000000000000;hpb=7e2f6c6ae08e97925955184aaa29035ac05de149;p=gpl%2Fargeo-slc.git

diff --git a/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/controllers/DistTreeComparer.java b/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/controllers/DistTreeComparer.java
new file mode 100644
index 000000000..5c6b9dee3
--- /dev/null
+++ b/org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/controllers/DistTreeComparer.java
@@ -0,0 +1,28 @@
+package org.argeo.slc.client.ui.dist.controllers;
+
+import org.argeo.eclipse.ui.TreeParent;
+import org.eclipse.jface.viewers.IElementComparer;
+
+/** Compares two elements of the Distribution tree */
+public class DistTreeComparer implements IElementComparer {
+
+	public int hashCode(Object element) {
+		if (element instanceof TreeParent)
+			return ((TreeParent) element).hashCode();
+		else
+
+			return element.getClass().toString().hashCode();
+	}
+
+	public boolean equals(Object elementA, Object elementB) {
+		if (!(elementA instanceof TreeParent)
+				|| !(elementB instanceof TreeParent)) {
+			return elementA == null ? elementB == null : elementA
+					.equals(elementB);
+		} else {
+			TreeParent tpA = ((TreeParent) elementA);
+			TreeParent tpB = ((TreeParent) elementB);
+			return tpA.compareTo(tpB) == 0;
+		}
+	}
+}
\ No newline at end of file