/*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.xwiki.gwt.wysiwyg.client.widget;
import java.util.List;
import org.xwiki.gwt.wysiwyg.client.wiki.WikiServiceAsync;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.ListBox;
/**
* Selector for the pages from a space in a wiki.
*
* @version $Id: 74a96e0541fef576fda1ea3051c6f29e4378eaac $
*/
public class PageSelector extends ListBox
{
/**
* The wiki from which to get the pages for this selector.
*/
private String wiki;
/**
* The space from which to get the pages for this selector.
*
* @see #PageSelector(String, String)
*/
private String space;
/**
* The service used to retrieve the list of page names.
*/
private final WikiServiceAsync wikiService;
/**
* Creates a new page selector that uses the given service to get the list of page names.
*
* @param wikiService the service used to retrieve the list of page names
*/
public PageSelector(WikiServiceAsync wikiService)
{
this.wikiService = wikiService;
}
/**
* Refreshes the list of pages for this selector.
*
* @param currentPage the currently selected page, to restore selection after update.
* @param cb callback to be able to handle the asynchronous call in this function on the caller side
*/
public void refreshList(final String currentPage, final AsyncCallback<List<String>> cb)
{
this.clear();
wikiService.getPageNames(wiki, space, new AsyncCallback<List<String>>()
{
public void onFailure(Throwable caught)
{
throw new RuntimeException(caught.getMessage());
}
public void onSuccess(List<String> result)
{
for (String s : result) {
addItem(s);
if (s.equals(currentPage)) {
setSelectedIndex(getItemCount() - 1);
}
}
if (cb != null) {
cb.onSuccess(result);
}
}
});
}
/**
* @param currentPage the currently selected page, to restore selection after update.
*/
public void refreshList(String currentPage)
{
refreshList(currentPage, null);
}
/**
* @return the currently selected page in this selector.
*/
public String getSelectedPage()
{
if (this.getSelectedIndex() >= 0) {
return this.getItemText(this.getSelectedIndex());
}
return null;
}
/**
* Sets this selector on the specified page.
*
* @param page the page to set as selected in this selector.
*/
public void setSelectedPage(String page)
{
for (int i = 0; i < getItemCount(); i++) {
if (getItemText(i).equals(page)) {
setSelectedIndex(i);
}
}
}
/**
* @return the wiki
*/
public String getWiki()
{
return wiki;
}
/**
* Sets the current wiki for this selector. Note that this function does not update the list of pages, you must
* explicitly call {@link #refreshList(String)} after setting this value.
*
* @param wiki the wiki to set
*/
public void setWiki(String wiki)
{
this.wiki = wiki;
}
/**
* Sets the space for this selector. Note that this function does not update the list of pages, you must explicitly
* call {@link #refreshList(String)} after setting this value.
*
* @return the space
*/
public String getSpace()
{
return space;
}
/**
* @param space the space to set
*/
public void setSpace(String space)
{
this.space = space;
}
}