X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FTreeItemReference.java;fp=bundles%2Forg.simantics.browsing.ui.swt%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fswt%2FTreeItemReference.java;h=c9c8af0f2637f2f1b4a7143dfe6255a6aa5619a4;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/TreeItemReference.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/TreeItemReference.java
new file mode 100644
index 000000000..c9c8af0f2
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/TreeItemReference.java
@@ -0,0 +1,55 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2012 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.browsing.ui.swt;
+
+import org.eclipse.swt.widgets.TreeItem;
+import org.simantics.browsing.ui.common.internal.UIElementReference;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class TreeItemReference implements UIElementReference {
+
+    private final TreeItem item;
+
+    public static TreeItemReference create(TreeItem item) {
+        return new TreeItemReference(item);
+    }
+
+    private TreeItemReference(TreeItem item) {
+        this.item = item;
+    }
+
+    public TreeItem getItem() {
+        return item;
+    }
+
+    @Override
+    public boolean hasReference() {
+        return item != null;
+    }
+
+    @Override
+    public boolean isDisposed() {
+        if (item == null)
+            return true;
+        return item.isDisposed();
+    }
+
+    @Override
+    public String toString() {
+        if (item == null)
+            return "(" + String.valueOf(System.identityHashCode(this)) + ":no item)";
+        return "(" + String.valueOf(System.identityHashCode(this)) + ":TreeItem@" + System.identityHashCode(item) + ")";
+    }
+
+}