/*
* 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.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaChecker;
import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaError;
import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaWarning;
import org.apache.directory.studio.schemaeditor.view.wrappers.Folder.FolderType;
import org.apache.directory.studio.schemaeditor.view.wrappers.Folder;
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>
* @version $Rev$, $Date$
*/
public class ProblemsViewContentProvider implements IStructuredContentProvider,
ITreeContentProvider {
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
// Nothing to do.
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
* java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// Nothing to do.
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
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<SchemaError> errors = schemaChecker.getErrors();
if (!errors.isEmpty()) {
Folder errorsFolder = new Folder(FolderType.ERROR, root);
root.addChild(errorsFolder);
for (SchemaError error : errors) {
errorsFolder.addChild(new SchemaErrorWrapper(error,
errorsFolder));
}
}
List<SchemaWarning> warnings = schemaChecker.getWarnings();
if (!warnings.isEmpty()) {
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();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
public Object getParent(Object element) {
if (element instanceof TreeNode) {
return ((TreeNode) element).getParent();
}
// Default
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
public boolean hasChildren(Object element) {
if (element instanceof TreeNode) {
return ((TreeNode) element).hasChildren();
}
// Default
return false;
}
}