/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.directory.studio.schemaeditor.view.views;
import java.util.ArrayList;
import java.util.List;
import org.apache.directory.api.ldap.model.exception.LdapSchemaException;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaChecker;
import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaWarning;
import org.apache.directory.studio.schemaeditor.view.wrappers.Folder;
import org.apache.directory.studio.schemaeditor.view.wrappers.Folder.FolderType;
import org.apache.directory.studio.schemaeditor.view.wrappers.ProblemsViewRoot;
import org.apache.directory.studio.schemaeditor.view.wrappers.SchemaErrorWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.SchemaWarningWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.TreeNode;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* This class implements the ContentProvider for the ProblemsView.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ProblemsViewContentProvider implements IStructuredContentProvider, ITreeContentProvider
{
/**
* {@inheritDoc}
*/
public Object[] getElements( Object inputElement )
{
return getChildren( inputElement );
}
/**
* {@inheritDoc}
*/
public void dispose()
{
// Nothing to do.
}
/**
* {@inheritDoc}
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
// Nothing to do.
}
/**
* {@inheritDoc}
*/
public Object[] getChildren( Object parentElement )
{
List<TreeNode> children = null;
if ( parentElement instanceof ProblemsViewRoot )
{
ProblemsViewRoot root = ( ProblemsViewRoot ) parentElement;
if ( root.getChildren().isEmpty() )
{
SchemaChecker schemaChecker = Activator.getDefault().getSchemaChecker();
if ( schemaChecker != null )
{
List<Throwable> errors = schemaChecker.getErrors();
if ( !( errors.size() == 0 ) )
{
Folder errorsFolder = new Folder( FolderType.ERROR, root );
root.addChild( errorsFolder );
for ( Throwable error : errors )
{
if ( error instanceof LdapSchemaException )
{
errorsFolder.addChild( new SchemaErrorWrapper( ( LdapSchemaException ) error,
errorsFolder ) );
}
}
}
SchemaWarning[] warnings = schemaChecker.getWarnings().toArray( new SchemaWarning[0] );
if ( !( warnings.length == 0 ) )
{
Folder warningsFolder = new Folder( FolderType.WARNING, root );
root.addChild( warningsFolder );
for ( SchemaWarning warning : warnings )
{
warningsFolder.addChild( new SchemaWarningWrapper( warning, warningsFolder ) );
}
}
}
}
children = root.getChildren();
}
else if ( parentElement instanceof Folder )
{
Folder folder = ( Folder ) parentElement;
children = folder.getChildren();
}
else if ( parentElement instanceof SchemaErrorWrapper )
{
children = new ArrayList<TreeNode>();
}
else if ( parentElement instanceof SchemaWarningWrapper )
{
children = new ArrayList<TreeNode>();
}
return children.toArray();
}
/**
* {@inheritDoc}
*/
public Object getParent( Object element )
{
if ( element instanceof TreeNode )
{
return ( ( TreeNode ) element ).getParent();
}
// Default
return null;
}
/**
* {@inheritDoc}
*/
public boolean hasChildren( Object element )
{
if ( element instanceof TreeNode )
{
return ( ( TreeNode ) element ).hasChildren();
}
// Default
return false;
}
}