+++ /dev/null
-/*
- * 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.jcr.ui.explorer.browser;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.List;
-
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-import javax.jcr.RepositoryFactory;
-import javax.jcr.Session;
-import javax.jcr.nodetype.NodeType;
-
-import org.argeo.eclipse.ui.TreeParent;
-import org.argeo.jcr.ArgeoJcrConstants;
-import org.argeo.jcr.RepositoryRegister;
-import org.argeo.jcr.UserJcrUtils;
-import org.argeo.jcr.ui.explorer.model.RepositoriesElem;
-import org.argeo.jcr.ui.explorer.model.SingleJcrNodeElem;
-import org.argeo.util.security.Keyring;
-import org.eclipse.jface.viewers.ITreeContentProvider;
-import org.eclipse.jface.viewers.Viewer;
-
-/**
- * Implementation of the {@code ITreeContentProvider} to display multiple
- * repository environment in a tree like structure
- *
- */
-public class NodeContentProvider implements ITreeContentProvider {
- final private RepositoryRegister repositoryRegister;
- final private RepositoryFactory repositoryFactory;
- /**
- * A session of the logged in user on the default workspace of the node
- * repository.
- */
- final private Session userSession;
- final private Keyring keyring;
- private boolean sortChildren;
-
- // reference for cleaning
- private SingleJcrNodeElem homeNode = null;
- private RepositoriesElem repositoriesNode = null;
-
- // Utils
- private TreeBrowserComparator itemComparator = new TreeBrowserComparator();
-
- public NodeContentProvider(Session userSession, Keyring keyring,
- RepositoryRegister repositoryRegister,
- RepositoryFactory repositoryFactory, Boolean sortChildren) {
- this.userSession = userSession;
- this.keyring = keyring;
- this.repositoryRegister = repositoryRegister;
- this.repositoryFactory = repositoryFactory;
- this.sortChildren = sortChildren;
- }
-
- public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
- if (newInput == null)// dispose
- return;
-
- if (userSession != null) {
- Node userHome = UserJcrUtils.getUserHome(userSession);
- if (userHome != null) {
- // TODO : find a way to dynamically get alias for the node
- if (homeNode != null)
- homeNode.dispose();
- homeNode = new SingleJcrNodeElem(null, userHome,
- userSession.getUserID(), ArgeoJcrConstants.ALIAS_NODE);
- }
- }
- if (repositoryRegister != null) {
- if (repositoriesNode != null)
- repositoriesNode.dispose();
- repositoriesNode = new RepositoriesElem("Repositories",
- repositoryRegister, repositoryFactory, null, userSession,
- keyring);
- }
- }
-
- /**
- * Sends back the first level of the Tree. Independent from inputElement
- * that can be null
- */
- public Object[] getElements(Object inputElement) {
- List<Object> objs = new ArrayList<Object>();
- if (homeNode != null)
- objs.add(homeNode);
- if (repositoriesNode != null)
- objs.add(repositoriesNode);
- return objs.toArray();
- }
-
- public Object[] getChildren(Object parentElement) {
- if (parentElement instanceof TreeParent) {
- if (sortChildren) {
- // TreeParent[] arr = (TreeParent[]) ((TreeParent)
- // parentElement)
- // .getChildren();
- Object[] tmpArr = ((TreeParent) parentElement).getChildren();
- TreeParent[] arr = new TreeParent[tmpArr.length];
- for (int i = 0; i < tmpArr.length; i++)
- arr[i] = (TreeParent) tmpArr[i];
-
- Arrays.sort(arr, itemComparator);
- return arr;
- } else
- return ((TreeParent) parentElement).getChildren();
-
- } else {
- return new Object[0];
- }
- }
-
- /**
- * Sets whether the content provider should order the children nodes or not.
- * It is user duty to call a full refresh of the tree after changing this
- * parameter.
- */
- public void setSortChildren(boolean sortChildren) {
- this.sortChildren = sortChildren;
- }
-
- public Object getParent(Object element) {
- if (element instanceof TreeParent) {
- return ((TreeParent) element).getParent();
- } else
- return null;
- }
-
- public boolean hasChildren(Object element) {
- if (element instanceof RepositoriesElem) {
- RepositoryRegister rr = ((RepositoriesElem) element)
- .getRepositoryRegister();
- return rr.getRepositories().size() > 0;
- } else if (element instanceof TreeParent) {
- TreeParent tp = (TreeParent) element;
- return tp.hasChildren();
- }
- return false;
- }
-
- public void dispose() {
- if (homeNode != null)
- homeNode.dispose();
- if (repositoriesNode != null) {
- // logs out open sessions
- // see https://bugzilla.argeo.org/show_bug.cgi?id=23
- repositoriesNode.dispose();
- }
- }
-
- /**
- * Specific comparator for this view. See spec in BUG :
- * https://www.argeo.org/bugzilla/show_bug.cgi?id=139
- */
- private class TreeBrowserComparator implements Comparator<TreeParent> {
-
- public int category(TreeParent element) {
- if (element instanceof SingleJcrNodeElem) {
- Node node = ((SingleJcrNodeElem) element).getNode();
- try {
- if (node.isNodeType(NodeType.NT_FOLDER))
- return 5;
- } catch (RepositoryException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- return 10;
- }
-
- public int compare(TreeParent o1, TreeParent o2) {
- int cat1 = category(o1);
- int cat2 = category(o2);
-
- if (cat1 != cat2) {
- return cat1 - cat2;
- }
- return o1.getName().compareTo(o2.getName());
- }
- }
-}
\ No newline at end of file
projects / lgpl / argeo-commons.git / blobdiff