Adds CategoryIteratorListModel

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4515 8810af33-2d31-482b-a856-94f89814c4df

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryIteratorListModel.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+package com.arsdigita.cms.ui.category;
+
+import com.arsdigita.bebop.list.ListModel;
+import org.libreccm.categorization.Category;
+
+import java.util.Iterator;
+
+/**
+ * A {@link ListModel} that iterates over categories via an iterator
+ *
+ * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
+ * @version $Id: CategoryIteratorListModel.java 2090 2010-04-17 08:04:14Z pboy $
+ */
+public class CategoryIteratorListModel implements ListModel {
+
+    private Iterator m_iter;
+    private Category m_cat;
+
+    /**
+     * Construct a new <code>CategoryIteratorListModel</code>
+     *
+     * @param iter an {@link Iterator} over all the categories
+     *   which this model will supply
+     */
+    public CategoryIteratorListModel(Iterator iter) {
+        m_iter = iter;
+        m_cat = null;
+    }
+
+    public boolean next() {
+        if(m_iter.hasNext()) {
+            m_cat = (Category)m_iter.next();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public Object getElement() {
+        return m_cat.getName();
+    }
+
+    public String getKey() {
+        return m_cat.getUniqueId();
+    }
+}