org.opencms.ade.containerpage.client.ui.CmsToolbarElementInfoButton Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (C) Alkacon Software (http://www.alkacon.com)
*
* This library 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 library 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.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.ade.containerpage.client.ui;
import org.opencms.ade.containerpage.client.CmsContainerpageController;
import org.opencms.ade.containerpage.client.CmsContainerpageEvent;
import org.opencms.ade.containerpage.client.CmsContainerpageEvent.EventType;
import org.opencms.ade.containerpage.client.CmsContainerpageHandler;
import org.opencms.ade.containerpage.client.I_CmsContainerpageEventHandler;
import org.opencms.ade.publish.client.CmsPublishEvent;
import org.opencms.ade.publish.client.I_CmsPublishEventHandler;
import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.rpc.CmsRpcAction;
import org.opencms.gwt.client.ui.A_CmsToolbarButton;
import org.opencms.gwt.client.ui.I_CmsButton;
import org.opencms.gwt.client.ui.css.I_CmsToolbarButtonLayoutBundle;
import org.opencms.gwt.client.util.CmsStyleVariable;
import com.google.gwt.user.client.Timer;
/**
* Class for the toolbar button to display elements information.
*/
public class CmsToolbarElementInfoButton extends A_CmsToolbarButton
implements I_CmsContainerpageEventHandler, I_CmsPublishEventHandler {
/** The container page controller. */
CmsContainerpageController m_controller;
/** Style variable to change the button appearance depending on whether the page or elements have been changed. */
private CmsStyleVariable m_changedStyleVar;
/**
* Constructor.
*
* @param handler the container-page handler
* @param controller the container page controller
*/
public CmsToolbarElementInfoButton(CmsContainerpageHandler handler, CmsContainerpageController controller) {
super(I_CmsButton.ButtonData.ELEMENT_INFO, handler);
m_changedStyleVar = new CmsStyleVariable(this);
controller.addContainerpageEventHandler(this);
CmsCoreProvider.get().getEventBus().addHandler(CmsPublishEvent.TYPE, this);
m_controller = controller;
setChanged(false);
}
/**
* @see org.opencms.ade.containerpage.client.I_CmsContainerpageEventHandler#onContainerpageEvent(org.opencms.ade.containerpage.client.CmsContainerpageEvent)
*/
public void onContainerpageEvent(CmsContainerpageEvent event) {
if ((event.getEventType() == EventType.elementEdited) || (event.getEventType() == EventType.pageSaved)) {
asyncUpdate();
}
}
/**
* @see org.opencms.ade.publish.client.I_CmsPublishEventHandler#onPublish(org.opencms.ade.publish.client.CmsPublishEvent)
*/
public void onPublish(CmsPublishEvent e) {
Timer timer = new Timer() {
@Override
public void run() {
asyncUpdate();
}
};
// wait 5 seconds, which should be enough for small publish jobs
// (if it's not enough, the user can still reload the page)
timer.schedule(5000);
}
/**
* @see org.opencms.gwt.client.ui.I_CmsToolbarButton#onToolbarActivate()
*/
public void onToolbarActivate() {
CmsContainerpageHandler handler = getHandler();
handler.openElementsInfo();
setEnabled(false);
}
/**
* @see org.opencms.gwt.client.ui.I_CmsToolbarButton#onToolbarDeactivate()
*/
public void onToolbarDeactivate() {
setEnabled(true);
}
/**
* Changes the "changed" state of the button.
*
* @param changed the new value for the "changed" state
*/
public void setChanged(boolean changed) {
m_changedStyleVar.setValue(changed
? I_CmsToolbarButtonLayoutBundle.INSTANCE.toolbarButtonCss().elementInfoChanged()
: I_CmsToolbarButtonLayoutBundle.INSTANCE.toolbarButtonCss().elementInfoUnchanged());
}
/**
* @see com.google.gwt.user.client.ui.Widget#onLoad()
*/
@Override
protected void onLoad() {
super.onLoad();
Timer timer = new Timer() {
@Override
public void run() {
asyncUpdate();
}
};
timer.schedule(500);
}
/**
* Fires off an RPC request to check for the elements state and then updates the button accordingly.
*/
void asyncUpdate() {
CmsRpcAction action = new CmsRpcAction() {
@Override
public void execute() {
start(200, false);
m_controller.getContainerpageService().checkContainerpageOrElementsChanged(
CmsCoreProvider.get().getStructureId(),
CmsContainerpageController.get().getData().getDetailId(),
this);
}
@Override
protected void onResponse(Boolean result) {
stop(false);
boolean changed = result.booleanValue();
setChanged(changed);
}
};
action.execute();
}
}