org.opencms.ui.dialogs.CmsUndeleteDialog Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (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.ui.dialogs;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsResource;
import org.opencms.lock.CmsLockActionRecord;
import org.opencms.lock.CmsLockActionRecord.LockChange;
import org.opencms.lock.CmsLockException;
import org.opencms.lock.CmsLockUtil;
import org.opencms.main.CmsException;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.ui.A_CmsUI;
import org.opencms.ui.CmsVaadinUtils;
import org.opencms.ui.I_CmsDialogContext;
import org.opencms.ui.components.CmsBasicDialog;
import org.opencms.ui.components.CmsOkCancelActionHandler;
import org.opencms.util.CmsUUID;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
/**
* Dialog used to change resource modification times.
*/
public class CmsUndeleteDialog extends CmsBasicDialog {
/** Logger instance for this class. */
private static final Log LOG = CmsLog.getLog(CmsUndeleteDialog.class);
/** Serial version id. */
private static final long serialVersionUID = 1L;
/** The dialog context. */
protected I_CmsDialogContext m_context;
/** The Cancel button. */
private Button m_cancelButton;
/** The OK button. */
private Button m_okButton;
/**
* Creates a new instance.
*
* @param context the dialog context
*/
public CmsUndeleteDialog(I_CmsDialogContext context) {
m_context = context;
CmsVaadinUtils.readAndLocalizeDesign(
this,
OpenCms.getWorkplaceManager().getMessages(A_CmsUI.get().getLocale()),
null);
m_cancelButton.addClickListener(new ClickListener() {
private static final long serialVersionUID = 1L;
public void buttonClick(ClickEvent event) {
cancel();
}
});
m_okButton.addClickListener(new ClickListener() {
private static final long serialVersionUID = 1L;
public void buttonClick(ClickEvent event) {
submit();
}
});
setActionHandler(new CmsOkCancelActionHandler() {
private static final long serialVersionUID = 1L;
@Override
protected void cancel() {
CmsUndeleteDialog.this.cancel();
}
@Override
protected void ok() {
submit();
}
});
}
/**
* Undeletes the selected files
*
* @return the ids of the modified resources
*
* @throws CmsException if something goes wrong
*/
protected List undelete() throws CmsException {
List modifiedResources = new ArrayList();
CmsObject cms = m_context.getCms();
for (CmsResource resource : m_context.getResources()) {
CmsLockActionRecord actionRecord = null;
try {
actionRecord = CmsLockUtil.ensureLock(m_context.getCms(), resource);
cms.undeleteResource(cms.getSitePath(resource), true);
modifiedResources.add(resource.getStructureId());
} finally {
if ((actionRecord != null) && (actionRecord.getChange() == LockChange.locked)) {
try {
cms.unlockResource(resource);
} catch (CmsLockException e) {
LOG.warn(e.getLocalizedMessage(), e);
}
}
}
}
return modifiedResources;
}
/**
* Cancels the dialog.
*/
void cancel() {
m_context.finish(new ArrayList());
}
/**
* Submits the dialog.
*/
void submit() {
try {
List modifiedResources = undelete();
m_context.finish(modifiedResources);
} catch (Exception e) {
m_context.error(e);
}
}
}