/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.actions;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.rssowl.core.Owl;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.IEntity;
import org.rssowl.core.persist.IFolder;
import org.rssowl.core.persist.IMark;
import org.rssowl.core.persist.INews;
import org.rssowl.core.persist.reference.FeedLinkReference;
import org.rssowl.ui.internal.Controller;
import org.rssowl.ui.internal.EntityGroup;
import org.rssowl.ui.internal.EntityGroupItem;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.editors.feed.FeedView;
import org.rssowl.ui.internal.editors.feed.FeedViewInput;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
/**
* Global Action for Reloading a Selection of Folders and contained BookMarks.
*
* @author bpasero
*/
public class ReloadTypesAction extends Action implements IObjectActionDelegate {
/** ID of this Action */
public static final String ID = "org.rssowl.ui.actions.Reload"; //$NON-NLS-1$
private IStructuredSelection fSelection;
private Shell fShell;
/**
* Keep default constructor for reflection.
* <p>
* Note: This Constructor should <em>not</em> directly be called. Use
* <code>ReloadTypesAction(IStructuredSelection selection)</code> instead.
* </p>
*/
public ReloadTypesAction() {
this(StructuredSelection.EMPTY, null);
}
/**
* Creates a new Action for Reloading Types from the given Selection.
*
* @param selection The Selection to Reload.
* @param shell The Shell this operation is running from.
*/
public ReloadTypesAction(IStructuredSelection selection, Shell shell) {
Assert.isNotNull(selection);
fSelection = selection;
fShell = shell;
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
run();
}
/*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
* org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
if (selection instanceof IStructuredSelection)
fSelection = (IStructuredSelection) selection;
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
Set<IBookMark> selectedBookMarks = new TreeSet<IBookMark>(new Comparator<IBookMark>() {
public int compare(IBookMark o1, IBookMark o2) {
if (o1.equals(o2))
return 0;
return 1;
}
});
/* Set Selection to Input if Empty */
if (fSelection.isEmpty()) {
FeedView activeFeedView = OwlUI.getActiveFeedView();
if (activeFeedView != null) {
FeedViewInput input = (FeedViewInput) activeFeedView.getEditorInput();
fSelection = new StructuredSelection(input.getMark());
}
}
/* Run Update */
List<?> list = fSelection.toList();
Set<FeedLinkReference> handledFeedsFromNews = new HashSet<FeedLinkReference>();
for (Object selection : list) {
if (selection instanceof IFolder) {
IFolder folder = (IFolder) selection;
getBookMarks(folder, selectedBookMarks);
}
else if (selection instanceof IBookMark) {
IBookMark bookMark = (IBookMark) selection;
selectedBookMarks.add(bookMark);
}
else if (selection instanceof INews) {
INews news = (INews) selection;
if (!handledFeedsFromNews.contains(news.getFeedReference())) {
handledFeedsFromNews.add(news.getFeedReference());
Collection<IBookMark> relatedBookmarks = Owl.getPersistenceService().getDAOService().getBookMarkDAO().loadAll(news.getFeedReference());
if (relatedBookmarks.size() > 0)
selectedBookMarks.add(relatedBookmarks.iterator().next());
}
}
else if (selection instanceof EntityGroup) {
EntityGroup group = (EntityGroup) selection;
List<EntityGroupItem> items = group.getItems();
for (EntityGroupItem item : items) {
IEntity entity = item.getEntity();
if (entity instanceof IBookMark) {
IBookMark bookMark = (IBookMark) entity;
selectedBookMarks.add(bookMark);
} else if (entity instanceof INews) {
INews news = (INews) entity;
if (!handledFeedsFromNews.contains(news.getFeedReference())) {
handledFeedsFromNews.add(news.getFeedReference());
Collection<IBookMark> relatedBookmarks = Owl.getPersistenceService().getDAOService().getBookMarkDAO().loadAll(news.getFeedReference());
if (relatedBookmarks.size() > 0)
selectedBookMarks.add(relatedBookmarks.iterator().next());
}
}
}
}
}
/* Force quick update of the first News coming in */
Controller.getDefault().getSavedSearchService().forceQuickUpdate();
/* Pass to controller for a queued reloading using ITasks */
Controller.getDefault().reloadQueued(selectedBookMarks, null, fShell);
}
private void getBookMarks(IFolder folder, Set<IBookMark> bookmarks) {
/* Go through BookMarks */
List<IMark> marks = folder.getMarks();
for (IMark mark : marks) {
if (mark instanceof IBookMark)
bookmarks.add((IBookMark) mark);
}
/* Go through Subfolders */
List<IFolder> folders = folder.getFolders();
for (IFolder childFolder : folders)
getBookMarks(childFolder, bookmarks);
}
/*
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction,
* org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
fShell = targetPart.getSite().getShell();
}
}