/* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2007 The ObjectStyle Group
* and individual authors of the software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* ObjectStyle Group (http://objectstyle.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne"
* must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle"
* nor may "ObjectStyle" appear in their names without prior written
* permission of the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the ObjectStyle Group. For more
* information on the ObjectStyle Group, please see
* <http://objectstyle.org/>.
*
*/
package org.objectstyle.wolips.jdt.ui;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider;
import org.objectstyle.wolips.jdt.ui.tags.ITaggedComponentsContentProvider;
import org.objectstyle.wolips.jdt.ui.tags.TaggedComponentsContentProvider;
import org.objectstyle.wolips.jdt.ui.tags.WOTagLibResourceChangeListener;
public class WOPackageExplorerContentProvider extends PackageExplorerContentProvider {
private IResourceChangeListener resourceChangeListener;
WOPackageExplorerPart woPackageExplorerPart;
Map<IProject, TaggedComponentsContentProvider> taggedComponentsContentProviders = new HashMap<IProject, TaggedComponentsContentProvider>();
public WOPackageExplorerContentProvider(boolean provideMembers, WOPackageExplorerPart woPackageExplorerPart) {
super(provideMembers);
this.woPackageExplorerPart = woPackageExplorerPart;
this.resourceChangeListener = new WOTagLibResourceChangeListener() {
@Override
public void update(IProject project) {
TaggedComponentsContentProvider taggedComponentsContentProvider = WOPackageExplorerContentProvider.this.taggedComponentsContentProviders.get(project);
if (taggedComponentsContentProvider != null) {
taggedComponentsContentProvider.forgetTagLib();
WOPackageExplorerContentProvider.this.woPackageExplorerPart.getTreeViewer().refresh(taggedComponentsContentProvider);
}
}
};
ResourcesPlugin.getWorkspace().addResourceChangeListener(this.resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
}
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof ITaggedComponentsContentProvider) {
ITaggedComponentsContentProvider taggedComponentsContentProvider = (ITaggedComponentsContentProvider) parentElement;
return taggedComponentsContentProvider.getChildren();
}
Object[] children = super.getChildren(parentElement);
if (parentElement instanceof IJavaProject) {
if (children.length > 2) {
IJavaProject javaProject = (IJavaProject) parentElement;
IProject project = javaProject.getProject();
TaggedComponentsContentProvider taggedComponentsContentProvider = taggedComponentsContentProviders.get(project);
if (taggedComponentsContentProvider == null) {
taggedComponentsContentProvider = new TaggedComponentsContentProvider(project);
taggedComponentsContentProviders.put(project, taggedComponentsContentProvider);
}
Object[] tags = taggedComponentsContentProvider.getChildren();
if (tags != null && tags.length > 0) {
Object[] newChildren = new Object[children.length + 1];
newChildren[newChildren.length - 1] = taggedComponentsContentProvider;
for (int i = 0; i < children.length; i++) {
Object object = children[i];
newChildren[i] = object;
}
return newChildren;
}
}
}
return children;
}
@Override
protected Object[] getFolderContent(IFolder folder) throws CoreException {
Object[] contents;
if (WOPackageExplorerContentProvider.isBundle(folder)) {
contents = NO_CHILDREN;
} else {
contents = super.getFolderContent(folder);
}
return contents;
}
@Override
public boolean hasChildren(Object element) {
if (element instanceof ITaggedComponentsContentProvider) {
ITaggedComponentsContentProvider taggedComponentsContentProvider = (ITaggedComponentsContentProvider) element;
return taggedComponentsContentProvider.hasChildren();
}
return super.hasChildren(element);
}
public static boolean isBundle(IFolder folder) {
String folderName = folder.getName();
boolean bundle = folderName.endsWith(".eomodeld") || folderName.endsWith(".wo");
return bundle;
}
@Override
public void dispose() {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this.resourceChangeListener);
super.dispose();
}
}