/*
* Copyright 2010 The Rabbit Eclipse Plug-in Project
*
* 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 rabbit.ui.internal.treebuilders;
import rabbit.data.access.model.IPartData;
import rabbit.ui.IProvider;
import rabbit.ui.internal.pages.Category;
import rabbit.ui.internal.util.ICategory;
import rabbit.ui.internal.util.ICategoryProvider;
import rabbit.ui.internal.util.UndefinedWorkbenchPartDescriptor;
import rabbit.ui.internal.viewers.ITreePathBuilder;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Lists.newArrayList;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPartDescriptor;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.views.IViewRegistry;
import org.joda.time.Duration;
import static java.util.Collections.emptyList;
import java.util.Collection;
import java.util.List;
/**
* A {@link PartDataTreeBuilder} takes input as {@link IPartDataProvider} and
* builds tree leaves based on the order of the categories provided by the
* {@link ICategoryProvider}, the last segment of every path will be the
* {@link Duration} data node of each {@link IPartData} provided by the
* provider.
*/
public class PartDataTreeBuilder implements ITreePathBuilder {
/**
* Provides {@link IPartData}.
*/
public static interface IPartDataProvider extends IProvider<IPartData> {}
private final ICategoryProvider provider;
public PartDataTreeBuilder(ICategoryProvider provider) {
this.provider = checkNotNull(provider);
}
@Override
public List<TreePath> build(Object input) {
if (!(input instanceof IPartDataProvider)) {
return emptyList();
}
Collection<IPartData> dataCol = ((IPartDataProvider) input).get();
if (dataCol == null) {
return emptyList();
}
IWorkbench workbench = PlatformUI.getWorkbench();
IViewRegistry viewRegistry = workbench.getViewRegistry();
IEditorRegistry editorRegistry = workbench.getEditorRegistry();
List<TreePath> result = newArrayList();
for (IPartData data : dataCol) {
List<Object> segments = newArrayList();
for (ICategory c : provider.getSelected()) {
if (!(c instanceof Category)) {
continue;
}
switch ((Category) c) {
case WORKSPACE:
segments.add(data.get(IPartData.WORKSPACE));
break;
case DATE:
segments.add(data.get(IPartData.DATE));
break;
case WORKBENCH_TOOL:
String id = data.get(IPartData.PART_ID);
IWorkbenchPartDescriptor part = viewRegistry.find(id);
if (part == null) {
part = editorRegistry.findEditor(id);
}
if (part == null) {
part = new UndefinedWorkbenchPartDescriptor(id);
}
segments.add(part);
break;
default:
break;
}
}
segments.add(data.get(IPartData.DURATION));
result.add(new TreePath(segments.toArray()));
}
return result;
}
}