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CCM NG: Refactored FolderTreeModel for CCM NG 

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4222 8810af33-2d31-482b-a856-94f89814c4df
pull/2/head
jensp 2016-08-16 08:17:44 +00:00
parent 76e5784e2e
commit 2b3ec0de23
2 changed files with 268 additions and 204 deletions
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268
ccm-cms/src/main/java/com/arsdigita/cms/ui/folder/FolderTreeModelBuilder.java 100755
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@ -0,0 +1,268 @@
/*
* 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.folder;
import com.arsdigita.bebop.PageState;
import com.arsdigita.bebop.Tree;
import com.arsdigita.bebop.tree.TreeModel;
import com.arsdigita.bebop.tree.TreeModelBuilder;
import com.arsdigita.bebop.tree.TreeNode;
import com.arsdigita.cms.CMS;
import org.librecms.contentsection.ContentSection;
import com.arsdigita.util.LockableImpl;
import java.util.Collections;
import java.util.Iterator;
import org.apache.log4j.Logger;
import org.libreccm.categorization.Category;
/**
* A {@link com.arsdigita.bebop.tree.TreeModelBuilder} that produces trees
* containing the folder structure underneath a root folder. The root folder can
* be changed by overriding {@link #getRoot getRoot}.
*
* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
* @author <a href="mailto:tri@arsdigita.com">Tri Tran</a>
* @author <a href="mailto:lutter@arsdigita.com">David Lutterkort</a>
*
* @version $Id: FolderTreeModelBuilder.java 2183 2011-06-20 00:57:18Z pboy $
*/
public class FolderTreeModelBuilder extends LockableImpl
implements TreeModelBuilder {
private static final Logger s_log = Logger.getLogger(
FolderTreeModelBuilder.class);
/**
* Make a tree model that lists the hierarchy of folders underneath the
* folder returned by {@link #getRoot getRoot}.
*
* @param tree the tree in which the model is used
* @param state represents the current request
* @return a tree model that lists the hierarchy of folders underneath the
* folder returnedby {@link #getRoot getRoot}.
*/
@Override
public TreeModel makeModel(final Tree tree, final PageState state) {
return new TreeModel() {
@Override
public TreeNode getRoot(final PageState state) {
return new FolderTreeNode(getRootFolder(state));
}
@Override
public boolean hasChildren(final TreeNode node,
final PageState state) {
return !((Category) node.getElement()).getSubCategories().
isEmpty();
}
@Override
public Iterator getChildren(final TreeNode node,
final PageState state) {
final String nodeKey = node.getKey().toString();
// Always expand root node
if (nodeKey.equals(getRoot(state).getKey().toString())
&& tree.isCollapsed(nodeKey, state)) {
tree.expand(nodeKey, state);
}
if (tree.isCollapsed(nodeKey, state)) {
return Collections.EMPTY_LIST.iterator();
}
return ((Category) node.getElement()).getSubCategories().
iterator();
}
};
/*return new DataQueryTreeModel(getRoot(state).getID(),
"com.arsdigita.cms.getRootFolder",
"com.arsdigita.cms.getSubFolders") {
@Override
public Iterator getChildren(TreeNode node, PageState data) {
String nodeKey = node.getKey().toString();
// Always expand root node
if (nodeKey.equals(getRoot(data).getKey().toString()) && tree.
isCollapsed(nodeKey, data)) {
tree.expand(nodeKey, data);
}
if (tree.isCollapsed(nodeKey, data)) {
return Collections.EMPTY_LIST.iterator();
}
Party party = Kernel.getContext().getParty();
OID partyOID = null;
if (party == null) {
partyOID = new OID(User.BASE_DATA_OBJECT_TYPE,
PermissionManager.VIRTUAL_PUBLIC_ID);
} else {
partyOID = party.getOID();
}
UniversalPermissionDescriptor universalPermission
= new UniversalPermissionDescriptor(
SecurityManager.CMS_PREVIEW_ITEM_DESCRIPTOR,
partyOID);
if (PermissionService.checkPermission(universalPermission)) {
// the person is an admin so we just pass in the
// standard, non filtered query
return getDataQueryTreeIterator(
(DataQueryTreeNode) node,
"com.arsdigita.cms.getSubFolders");
} else {
// now we need to set the parameters
return new NewFolderBrowserIterator(
(DataQueryTreeNode) node,
partyOID);
}
}
};*/
}
/**
* Retrn the root folder for the tree model in the current request.
*
* @param state represents the current request
* @return the root folder for the tree
* @post return != null
*/
protected Category getRootFolder(final PageState state)
throws IllegalStateException {
ContentSection sec = CMS.getContext().getContentSection();
return sec.getRootDocumentsFolder();
}
private class FolderTreeNode implements TreeNode {
private Category folder;
public FolderTreeNode(final Category folder) {
this.folder = folder;
}
@Override
public Object getKey() {
return folder.getObjectId();
}
@Override
public Object getElement() {
return folder;
}
}
/*private class NewFolderBrowserIterator implements Iterator {
private DataQuery m_nodes;
public NewFolderBrowserIterator(DataQueryTreeNode node, OID partyOID) {
BigDecimal userID = (BigDecimal) partyOID.get("id");
String sql = ""
+ "\n select f.folder_id as id,"
+ "\n f.label as name,"
+ "\n count(sub.item_id) as nchild"
+ "\n from cms_folders f,"
+ "\n cms_items i"
+ "\n left join"
+ "\n (select i2.item_id, f2.label as name, i2.parent_id"
+ "\n from cms_folders f2,"
+ "\n cms_items i2"
+ "\n where f2.folder_id = i2.item_id) sub"
+ "\n on (sub.parent_id = i.item_id"
+ "\n and"
+ "\n exists (select 1"
+ "\n from dnm_object_1_granted_context dogc,"
+ "\n dnm_granted_context dgc,"
+ "\n dnm_permissions dp,"
+ "\n dnm_group_membership dgm"
+ "\n where dogc.pd_object_id = sub.item_id"
+ "\n and dogc.pd_context_id = dgc.pd_object_id"
+ "\n and dgc.pd_context_id = dp.pd_object_id"
+ "\n and dp.pd_grantee_id = dgm.pd_group_id"
+ "\n and dgm.pd_member_id in (-200,"
+ userID + ",-202)"
+ "\n and dp."
+ TREE_DESCRIPTOR.getColumnName() + " = '1'"
+ "\n ) )"
+ "\n where i.parent_id = " + node.getID()
+ "\n and f.folder_id = i.item_id"
+ "\n and exists ("
+ "\n select 1 as permission_p"
+ "\n from dnm_object_1_granted_context dogc,"
+ "\n dnm_granted_context dgc,"
+ "\n dnm_permissions dp,"
+ "\n dnm_group_membership dgm"
+ "\n where dogc.pd_context_id = dgc.pd_object_id"
+ "\n and dgc.pd_context_id = dp.pd_object_id"
+ "\n and dgm.pd_member_id in (-200,"
+ userID + ",-202)"
+ "\n and dp.pd_grantee_id = dgm.pd_group_id"
+ "\n and dogc.pd_object_id = f.folder_id"
+ "\n and dp." + TREE_DESCRIPTOR.
getColumnName() + " = '1' )"
+ "\n group by f.label, f.folder_id"
+ "\n order by lower(f.label)";
if (s_log.isDebugEnabled()) {
s_log.debug("Custom SQL: \n" + sql);
}
m_nodes = new GenericDataQuery(
SessionManager.getSession(),
sql,
new String[]{"id", "name", "nchild"});
}
@Override
public Object next() {
BigDecimal id = new BigDecimal(0);
try {
// this appears to be the only portable way to dig numbers out
// of the result set
id = new BigDecimal(m_nodes.get("id").toString());
} catch (NumberFormatException nfe) {
}
String name = m_nodes.get("name").toString();
BigDecimal count = new BigDecimal(0);
try {
count = new BigDecimal(m_nodes.get("nchild").toString());
} catch (NumberFormatException nfe) {
}
return new DataQueryTreeNode(id, name, count.intValue() > 0);
}
@Override
public void remove() {
throw new UnsupportedOperationException(
"cannot remove nodes via iterator");
}
@Override
public boolean hasNext() {
return m_nodes.next();
}
}*/
}

204
ccm-cms/src/main/java/com/arsdigita/cms/ui/folder/FolderTreeModelBuilder.java.off
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@ -1,204 +0,0 @@
/*
* 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.folder;
import com.arsdigita.bebop.PageState;
import com.arsdigita.bebop.Tree;
import com.arsdigita.bebop.tree.TreeModelBuilder;
import com.arsdigita.bebop.tree.TreeNode;
import com.arsdigita.cms.CMS;
import org.librecms.contentsection.ContentSection;
import com.arsdigita.util.LockableImpl;
import java.math.BigDecimal;
import java.util.Collections;
import java.util.Iterator;
import org.apache.log4j.Logger;
/**
* A {@link com.arsdigita.bebop.tree.TreeModelBuilder} that produces trees
* containing the folder structure underneath a root folder. The root
* folder can be changed by overriding {@link #getRoot getRoot}.
*
* @author <a href="mailto:tri@arsdigita.com">Tri Tran</a>
* @author <a href="mailto:lutter@arsdigita.com">David Lutterkort</a>
*
* @version $Id: FolderTreeModelBuilder.java 2183 2011-06-20 00:57:18Z pboy $
*/
public class FolderTreeModelBuilder extends LockableImpl
implements TreeModelBuilder {
private static final Logger s_log = Logger.getLogger(FolderTreeModelBuilder.class);
/**
* Make a tree model that lists the hierarchy of folders underneath the
* folder returned by {@link #getRoot getRoot}.
*
* @param t the tree in which the model is used
* @param s represents the current request
* @return a tree model that lists the hierarchy of folders underneath the
* folder returnedby {@link #getRoot getRoot}.
*/
@Override
public com.arsdigita.bebop.tree.TreeModel makeModel(final Tree t,
PageState s) {
return new DataQueryTreeModel(getRoot(s).getID(),
"com.arsdigita.cms.getRootFolder",
"com.arsdigita.cms.getSubFolders") {
@Override
public Iterator getChildren(TreeNode node, PageState data) {
String nodeKey = node.getKey().toString();
// Always expand root node
if (nodeKey.equals(getRoot(data).getKey().toString()) && t.isCollapsed(nodeKey, data)) {
t.expand(nodeKey, data);
}
if (t.isCollapsed(nodeKey, data)) {
return Collections.EMPTY_LIST.iterator();
}
Party party = Kernel.getContext().getParty();
OID partyOID = null;
if (party == null) {
partyOID = new OID(User.BASE_DATA_OBJECT_TYPE,
PermissionManager.VIRTUAL_PUBLIC_ID);
} else {
partyOID = party.getOID();
}
UniversalPermissionDescriptor universalPermission =
new UniversalPermissionDescriptor(SecurityManager.CMS_PREVIEW_ITEM_DESCRIPTOR, partyOID);
if (PermissionService.checkPermission(universalPermission)) {
// the person is an admin so we just pass in the
// standard, non filtered query
return getDataQueryTreeIterator(
(DataQueryTreeNode) node,
"com.arsdigita.cms.getSubFolders");
} else {
// now we need to set the parameters
return new NewFolderBrowserIterator(
(DataQueryTreeNode) node,
partyOID);
}
}
};
}
/**
* Retrn the root folder for the tree model in the current
* request.
* @param s represents the current request
* @return the root folder for the tree
* @post return != null
*/
protected Folder getRoot(PageState s)
throws IllegalStateException {
ContentSection sec = CMS.getContext().getContentSection();
return sec.getRootFolder();
}
private class NewFolderBrowserIterator implements Iterator {
private DataQuery m_nodes;
public NewFolderBrowserIterator(DataQueryTreeNode node, OID partyOID) {
BigDecimal userID = (BigDecimal) partyOID.get("id");
String sql = ""
+ "\n select f.folder_id as id,"
+ "\n f.label as name,"
+ "\n count(sub.item_id) as nchild"
+ "\n from cms_folders f,"
+ "\n cms_items i"
+ "\n left join"
+ "\n (select i2.item_id, f2.label as name, i2.parent_id"
+ "\n from cms_folders f2,"
+ "\n cms_items i2"
+ "\n where f2.folder_id = i2.item_id) sub"
+ "\n on (sub.parent_id = i.item_id"
+ "\n and"
+ "\n exists (select 1"
+ "\n from dnm_object_1_granted_context dogc,"
+ "\n dnm_granted_context dgc,"
+ "\n dnm_permissions dp,"
+ "\n dnm_group_membership dgm"
+ "\n where dogc.pd_object_id = sub.item_id"
+ "\n and dogc.pd_context_id = dgc.pd_object_id"
+ "\n and dgc.pd_context_id = dp.pd_object_id"
+ "\n and dp.pd_grantee_id = dgm.pd_group_id"
+ "\n and dgm.pd_member_id in (-200," + userID + ",-202)"
+ "\n and dp." + TREE_DESCRIPTOR.getColumnName() + " = '1'"
+ "\n ) )"
+ "\n where i.parent_id = " + node.getID()
+ "\n and f.folder_id = i.item_id"
+ "\n and exists ("
+ "\n select 1 as permission_p"
+ "\n from dnm_object_1_granted_context dogc,"
+ "\n dnm_granted_context dgc,"
+ "\n dnm_permissions dp,"
+ "\n dnm_group_membership dgm"
+ "\n where dogc.pd_context_id = dgc.pd_object_id"
+ "\n and dgc.pd_context_id = dp.pd_object_id"
+ "\n and dgm.pd_member_id in (-200," + userID + ",-202)"
+ "\n and dp.pd_grantee_id = dgm.pd_group_id"
+ "\n and dogc.pd_object_id = f.folder_id"
+ "\n and dp." + TREE_DESCRIPTOR.getColumnName() + " = '1' )"
+ "\n group by f.label, f.folder_id"
+ "\n order by lower(f.label)";
if (s_log.isDebugEnabled()) {
s_log.debug("Custom SQL: \n" + sql);
}
m_nodes = new GenericDataQuery(
SessionManager.getSession(),
sql,
new String[]{"id", "name", "nchild"});
}
@Override
public Object next() {
BigDecimal id = new BigDecimal(0);
try {
// this appears to be the only portable way to dig numbers out
// of the result set
id = new BigDecimal(m_nodes.get("id").toString());
} catch (NumberFormatException nfe) {
}
String name = m_nodes.get("name").toString();
BigDecimal count = new BigDecimal(0);
try {
count = new BigDecimal(m_nodes.get("nchild").toString());
} catch (NumberFormatException nfe) {
}
return new DataQueryTreeNode(id, name, count.intValue() > 0);
}
@Override
public void remove() {
throw new UnsupportedOperationException("cannot remove nodes via iterator");
}
@Override
public boolean hasNext() {
return m_nodes.next();
}
}
}