/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2006 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.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.rssowl.core.persist.IFolder;
import org.rssowl.core.persist.IMark;
import org.rssowl.core.persist.dao.DynamicDAO;
import org.rssowl.core.persist.dao.IPreferenceDAO;
import org.rssowl.core.persist.reference.FolderReference;
import org.rssowl.core.persist.service.PersistenceException;
import org.rssowl.ui.internal.dialogs.SearchMarkDialog;
import org.rssowl.ui.internal.views.explorer.BookMarkExplorer;
/**
* TODO This is a rough-Action which is not polished or optimized and only for
* developers purposes!
*
* @author bpasero
*/
public class NewSearchMarkAction implements IWorkbenchWindowActionDelegate, IObjectActionDelegate {
private Shell fShell;
private IFolder fParent;
private IMark fPosition;
/** Keep for Reflection */
public NewSearchMarkAction() {
this(null, null, null);
}
/**
* @param shell
* @param parent
* @param position
*/
public NewSearchMarkAction(Shell shell, IFolder parent, IMark position) {
fShell = shell;
fParent = parent;
fPosition = position;
}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {
fShell = window.getShell();
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
internalRun();
}
private void internalRun() throws PersistenceException {
SearchMarkDialog dialog = new SearchMarkDialog(fShell, getParent(), fPosition);
dialog.open();
}
/*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
* org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
/* Delete the old Selection */
fParent = null;
fPosition = null;
/* Check Selection */
if (selection instanceof IStructuredSelection) {
IStructuredSelection structSel = (IStructuredSelection) selection;
if (!structSel.isEmpty()) {
Object firstElement = structSel.getFirstElement();
if (firstElement instanceof IFolder)
fParent = (IFolder) firstElement;
else if (firstElement instanceof IMark) {
fParent = ((IMark) firstElement).getParent();
fPosition = ((IMark) firstElement);
}
}
}
}
/*
* @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();
}
private IFolder getParent() throws PersistenceException {
IPreferenceDAO prefDAO = DynamicDAO.getDAO(IPreferenceDAO.class);
Long selectedRootFolderID = prefDAO.load(BookMarkExplorer.PREF_SELECTED_BOOKMARK_SET).getLong();
/* Check if available Parent is still valid */
if (fParent != null) {
if (hasParent(fParent, new FolderReference(selectedRootFolderID)))
return fParent;
}
/* Otherwise return visible root-folder */
return new FolderReference(selectedRootFolderID).resolve();
}
private boolean hasParent(IFolder folder, FolderReference folderRef) {
if (folder == null)
return false;
if (folderRef.references(folder))
return true;
return hasParent(folder.getParent(), folderRef);
}
}