-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.slc.client.ui.dist.providers;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import javax.jcr.Node;
-import javax.jcr.NodeIterator;
-import javax.jcr.RepositoryException;
-
-import org.argeo.ArgeoException;
-import org.argeo.eclipse.ui.jcr.utils.JcrItemsComparator;
-import org.argeo.slc.jcr.SlcTypes;
-import org.eclipse.jface.viewers.ITreeContentProvider;
-import org.eclipse.jface.viewers.Viewer;
-
-public class ArtifactsTreeContentProvider implements ITreeContentProvider,
- SlcTypes {
-
- // Utils
- private boolean sortChildren = true;
- private JcrItemsComparator itemComparator = new JcrItemsComparator();
-
- public Object[] getElements(Object parent) {
- return getChildren(parent);
- }
-
- public Object getParent(Object child) {
- return null;
- }
-
- public Object[] getChildren(Object parent) {
- Object[] elements = null;
- try {
- if (parent instanceof Node) {
- Node node = (Node) parent;
- NodeIterator ni = node.getNodes();
- List<Node> nodesList = new ArrayList<Node>();
- while (ni.hasNext()) {
- nodesList.add(ni.nextNode());
- }
- if (sortChildren) {
- Node[] arr = (Node[]) nodesList.toArray(new Node[nodesList
- .size()]);
- Arrays.sort(arr, itemComparator);
- return arr;
- } else
- return nodesList.toArray();
-
- }
- } catch (RepositoryException e) {
- throw new ArgeoException(
- "Unexpected exception while listing node properties", e);
- }
- return elements;
- }
-
- public boolean hasChildren(Object parent) {
- try {
- if (parent instanceof Node) {
- Node curNode = (Node) parent;
- // We manually stop digging at this level
- if (curNode.isNodeType(SLC_ARTIFACT_VERSION_BASE))
- return false;
- else if (curNode.hasNodes())
- return true;
- }
- } catch (RepositoryException e) {
- throw new ArgeoException(
- "Unexpected exception while checking if property is multiple",
- e);
- }
- return false;
- }
-
- public void setSortChildren(boolean sortChildren) {
- this.sortChildren = sortChildren;
- }
-
- public boolean getSortChildren() {
- return sortChildren;
- }
-
- public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
- }
-
- public void dispose() {
- }
-}
\ No newline at end of file