/* ********************************************************************** **
** 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.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.bindings.TriggerSequence;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.keys.IBindingService;
import org.rssowl.core.persist.INews;
import org.rssowl.core.persist.dao.DynamicDAO;
import org.rssowl.ui.internal.Controller;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.undo.StickyOperation;
import org.rssowl.ui.internal.undo.UndoStack;
import org.rssowl.ui.internal.util.ModelUtils;
import java.util.List;
/**
* Sets the Sticky-State of selected Items.
*
* @author bpasero
*/
public class MakeNewsStickyAction extends Action implements IWorkbenchWindowActionDelegate {
private static final String ID = "org.rssowl.ui.actions.MarkSticky"; //$NON-NLS-1$
private IStructuredSelection fSelection;
private boolean fMarkSticky;
/**
* Leave for Reflection.
*/
public MakeNewsStickyAction() {
this(StructuredSelection.EMPTY);
}
/**
* @param selection
*/
public MakeNewsStickyAction(IStructuredSelection selection) {
fSelection = selection;
init();
}
/*
* @see org.eclipse.jface.action.Action#getText()
*/
@Override
public String getText() {
IBindingService bs = (IBindingService) PlatformUI.getWorkbench().getService(IBindingService.class);
TriggerSequence binding = bs.getBestActiveBindingFor(ID);
return binding != null ? NLS.bind(Messages.MakeNewsStickyAction_NEWS_STICKY_BINDING, binding.format()) : Messages.MakeNewsStickyAction_NEWS_STICKY;
}
/*
* @see org.eclipse.jface.action.Action#getStyle()
*/
@Override
public int getStyle() {
return IAction.AS_CHECK_BOX;
}
/*
* @see org.eclipse.jface.action.Action#getImageDescriptor()
*/
@Override
public ImageDescriptor getImageDescriptor() {
return fMarkSticky ? OwlUI.NEWS_PIN : OwlUI.NEWS_PINNED;
}
/*
* @see org.eclipse.jface.action.Action#isChecked()
*/
@Override
public boolean isChecked() {
return !fMarkSticky && !fSelection.isEmpty();
}
private void init() {
List<INews> entities = ModelUtils.getEntities(fSelection, INews.class);
for (INews entity : entities) {
/* News which is not sticky */
if (!entity.isFlagged()) {
fMarkSticky = true;
break;
}
}
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
run();
}
/*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
List<INews> newsList = ModelUtils.getEntities(fSelection, INews.class);
if (newsList.isEmpty())
return;
/* Support Undo */
UndoStack.getInstance().addOperation(new StickyOperation(newsList, fMarkSticky));
/* Set Sticky State */
for (INews newsItem : newsList) {
newsItem.setFlagged(fMarkSticky);
}
/* Mark Saved Search Service as in need for a quick Update */
Controller.getDefault().getSavedSearchService().forceQuickUpdate();
/* Save List of INews */
DynamicDAO.saveAll(newsList);
/* Update in case this action is rerun on the same selection */
fMarkSticky = !fMarkSticky;
}
/*
* @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.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {}
}