org.opencms.gwt.client.ui.CmsDeleteWarningDialog Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (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.gwt.client.ui;
import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.Messages;
import org.opencms.gwt.client.rpc.CmsRpcAction;
import org.opencms.gwt.shared.CmsDeleteResourceBean;
import org.opencms.util.CmsUUID;
import com.google.gwt.user.client.Command;
/**
* A dialog which informs the user that deleting a resource will break links
* from other resources.
*
* @since 8.0.0
*/
public class CmsDeleteWarningDialog extends CmsConfirmDialog {
/** Text metrics key. */
private static final String TM_DIALOG_LIST = "dialogList";
/** The callback command. */
protected Command m_cmd;
/** The content of the dialog. */
protected CmsLinkWarningPanel m_content = new CmsLinkWarningPanel();
/** The site path of the resource to delete. */
private String m_sitePath;
/** The structure id of the resource to delete. */
private CmsUUID m_structureId;
/**
* Constructor.
*/
private CmsDeleteWarningDialog() {
super(Messages.get().key(Messages.GUI_DIALOG_DELETE_TITLE_0));
setWarningMessage(Messages.get().key(Messages.GUI_DIALOG_DELETE_TEXT_0));
setOkText(Messages.get().key(Messages.GUI_DELETE_0));
setCloseText(Messages.get().key(Messages.GUI_CANCEL_0));
setHandler(new I_CmsConfirmDialogHandler() {
/**
* @see org.opencms.gwt.client.ui.I_CmsCloseDialogHandler#onClose()
*/
public void onClose() {
// do nothing
}
/**
* @see org.opencms.gwt.client.ui.I_CmsConfirmDialogHandler#onOk()
*/
public void onOk() {
deleteResource();
// execute the callback if present
if (m_cmd != null) {
m_cmd.execute();
}
}
});
}
/**
* Constructor.
*
* @param sitePath the site-path of the resource going to be deleted
*/
public CmsDeleteWarningDialog(String sitePath) {
this();
m_sitePath = sitePath;
}
/**
* Constructor.
*
* @param structureId the structure id of the resource going to be deleted
*/
public CmsDeleteWarningDialog(CmsUUID structureId) {
this();
m_structureId = structureId;
}
/**
* Loads and shows the delete dialog.
*
* @param callback the callback that is executed when the resource was deleted (can be null)
*/
public void loadAndShow(Command callback) {
m_cmd = callback;
checkBrokenLinks();
}
/**
* Deletes a resource from the vfs.
*
* @param sitePath the resource site path
*/
private void deleteResource(final String sitePath) {
CmsRpcAction action = new CmsRpcAction() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
CmsCoreProvider.getVfsService().deleteResource(sitePath, this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(Void result) {
onAfterDeletion();
}
};
action.execute();
}
/**
* Deletes a resource from the vfs.
*/
protected void deleteResource() {
if (m_sitePath != null) {
deleteResource(m_sitePath);
} else if (m_structureId != null) {
deleteResource(m_structureId);
}
}
/**
* Deletes a resource from the vfs.
*
* @param structureId the resource structure id
*/
private void deleteResource(final CmsUUID structureId) {
CmsRpcAction action = new CmsRpcAction() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
CmsCoreProvider.getVfsService().deleteResource(structureId, this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(Void result) {
onAfterDeletion();
}
};
action.execute();
}
/**
* Method which should be called after the deletion has been performed.
*/
protected void onAfterDeletion() {
// do nothing by default
}
/**
* Checks for broken links, ask for confirmation and finally deletes the given resource.
*/
private void checkBrokenLinks() {
if (m_sitePath != null) {
final String sitePath = m_sitePath;
CmsRpcAction action = new CmsRpcAction() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
start(0, true);
CmsCoreProvider.getVfsService().getBrokenLinks(sitePath, this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(CmsDeleteResourceBean result) {
stop(false);
displayBrokenLinks(result);
}
};
action.execute();
} else if (m_structureId != null) {
final CmsUUID structureId = m_structureId;
CmsRpcAction action = new CmsRpcAction() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
start(0, true);
CmsCoreProvider.getVfsService().getBrokenLinks(structureId, this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(CmsDeleteResourceBean result) {
stop(false);
displayBrokenLinks(result);
}
};
action.execute();
}
}
/**
* Displays the broken links information.
*
* @param brokenLinks the broken links information
*/
protected void displayBrokenLinks(CmsDeleteResourceBean brokenLinks) {
CmsListItemWidget widget = new CmsListItemWidget(brokenLinks.getPageInfo());
widget.truncate(TM_DIALOG_LIST, 370);
addTopWidget(widget);
if (brokenLinks.getBrokenLinks().size() > 0) {
m_content.fill(brokenLinks.getBrokenLinks());
addBottomWidget(m_content);
setWidth(600);
}
center();
}
}