/**
*
* 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.client.widget.map.control.history;
import org.geosdi.geoplatform.gui.client.event.ZoomNextEvent;
import org.geosdi.geoplatform.gui.client.event.ZoomPreviousEvent;
import org.geosdi.geoplatform.gui.configuration.map.control.GeoPlatformMapControl;
import org.geosdi.geoplatform.gui.puregwt.GPHandlerManager;
import org.gwtopenmaps.openlayers.client.control.NavigationHistory;
import org.gwtopenmaps.openlayers.client.control.NavigationHistoryOptions;
import org.gwtopenmaps.openlayers.client.event.ControlActivateListener;
import org.gwtopenmaps.openlayers.client.event.ControlDeactivateListener;
/**
* @author giuseppe
*
*/
public class NavigationHistoryControl implements GeoPlatformMapControl {
private NavigationHistory control;
public NavigationHistoryControl() {
this.createControl();
}
/**
* (non-Javadoc)
*
* @see
* org.geosdi.geoplatform.gui.configuration.map.control.GeoPlatformMapControl#createControl()
*/
@Override
public void createControl() {
NavigationHistoryOptions options = new NavigationHistoryOptions();
options.setClearOnDeactivate(true);
options.setAutoActivate(false);
this.control = new NavigationHistory(options);
this.control.getPrevious().addControlActivateListener(
new ControlActivateListener() {
@Override
public void onActivate(ControlActivateEvent eventObject) {
GPHandlerManager.fireEvent(new ZoomPreviousEvent(true));
}
});
this.control.getPrevious().addControlDeactivateListener(
new ControlDeactivateListener() {
@Override
public void onDeactivate(ControlDeactivateEvent eventObject) {
GPHandlerManager
.fireEvent(new ZoomPreviousEvent(false));
}
});
this.control.getNext().addControlActivateListener(
new ControlActivateListener() {
@Override
public void onActivate(ControlActivateEvent eventObject) {
GPHandlerManager.fireEvent(new ZoomNextEvent(true));
}
});
this.control.getNext().addControlDeactivateListener(
new ControlDeactivateListener() {
@Override
public void onDeactivate(ControlDeactivateEvent eventObject) {
GPHandlerManager.fireEvent(new ZoomNextEvent(false));
}
});
}
@Override
public void activateControl() {
this.control.activate();
}
@Override
public void deactivateControl() {
this.control.deactivate();
}
public void clearHistory() {
activateControl();
this.control.clear();
}
/**
* @return the control
*/
public NavigationHistory getControl() {
return control;
}
/**
* Restore the next state on the Map
*/
public void nextTrigger() {
this.control.nextTrigger();
}
/**
* Restore the previous state on the Map
*/
public void previousTrigger() {
this.control.previousTrigger();
}
@Override
public boolean isEnabled() {
return this.control.isActive();
}
@Override
public void resetControl() {
}
}