/**
*
* geo-platform
* Rich webgis framework
* http://geo-platform.org
* ====================================================================
*
* Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. This program 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 General Public License
* for more details. You should have received a copy of the GNU General
* Public License along with this program. If not, see http://www.gnu.org/licenses/
*
* ====================================================================
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you permission
* to link this library with independent modules to produce an executable, regardless
* of the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also meet,
* for each linked independent module, the terms and conditions of the license of
* that module. An independent module is a module which is not derived from or
* based on this library. If you modify this library, you may extend this exception
* to your version of the library, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
package org.geosdi.geoplatform.gui.puregwt.xmpp.event;
import com.extjs.gxt.ui.client.Registry;
import com.google.gwt.user.client.Timer;
import org.geosdi.geoplatform.gui.configuration.users.options.member.UserSessionEnum;
import org.geosdi.geoplatform.gui.puregwt.layers.IGPBuildTreeHandler;
import org.geosdi.geoplatform.gui.shared.XMPPSubjectEnum;
/**
* @author Nazzareno Sileno - CNR IMAA geoSDI Group
* @email nazzareno.sileno@geosdi.org
*/
public class ReloadTreeXMPPEvent extends AbstractXMPPEvent<IGPBuildTreeHandler> {
private boolean isWaiting;
public ReloadTreeXMPPEvent() {
super(XMPPSubjectEnum.RELOAD_TREE.toString());
}
@Override
protected void dispatch(final IGPBuildTreeHandler handler) {
if (!isWaiting) {
this.scheduleReload(handler);
}
}
private void scheduleReload(final IGPBuildTreeHandler handler) {
Timer timer = new Timer() {
@Override
public void run() {
ReloadTreeXMPPEvent.this.scheduleReload(handler);
}
};
boolean treeIsLoaded = (Boolean)Registry.get(UserSessionEnum.TREE_LOADED.name());
if (treeIsLoaded) {
this.isWaiting = Boolean.FALSE;
handler.rebuildTree();
} else {
this.isWaiting = Boolean.TRUE;
timer.schedule(3000);
}
}
@Override
public Type<IGPBuildTreeHandler> getAssociatedType() {
return IGPBuildTreeHandler.TYPE;
}
}