/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) 1999-2006 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.core.commons.modules.bc.commands;
import org.olat.core.commons.modules.bc.FolderEvent;
import org.olat.core.commons.modules.bc.components.FolderComponent;
import org.olat.core.commons.modules.bc.components.ListRenderer;
import org.olat.core.commons.modules.bc.meta.MetaInfo;
import org.olat.core.commons.modules.bc.meta.MetaInfoFormController;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.core.gui.translator.Translator;
import org.olat.core.util.FileUtils;
import org.olat.core.util.StringHelper;
import org.olat.core.util.vfs.VFSConstants;
import org.olat.core.util.vfs.VFSContainer;
import org.olat.core.util.vfs.VFSItem;
public class CmdEditMeta extends BasicController implements FolderCommand {
private int status = FolderCommandStatus.STATUS_SUCCESS;
private MetaInfoFormController metaInfoCtr;
private VFSItem currentItem;
private Translator translator;
protected CmdEditMeta(UserRequest ureq, WindowControl wControl) {
super(ureq, wControl);
}
/**
* Checks if the file/folder name is not null and valid,
* checks if the FolderComponent is ok,
* checks if the item exists and is not locked.
*
* @see org.olat.core.commons.modules.bc.commands.FolderCommand#execute(org.olat.core.commons.modules.bc.components.FolderComponent, org.olat.core.gui.UserRequest, org.olat.core.gui.control.WindowControl, org.olat.core.gui.translator.Translator)
*/
public Controller execute(FolderComponent folderComponent,
UserRequest ureq, WindowControl wControl, Translator trans) {
this.translator = trans;
String pos = ureq.getParameter(ListRenderer.PARAM_EDTID);
if (!StringHelper.containsNonWhitespace(pos)) {
// somehow parameter did not make it to us
status = FolderCommandStatus.STATUS_FAILED;
getWindowControl().setError(translator.translate("failed"));
return null;
}
status = FolderCommandHelper.sanityCheck(wControl, folderComponent);
if(status == FolderCommandStatus.STATUS_SUCCESS) {
currentItem = folderComponent.getCurrentContainerChildren().get(Integer.parseInt(pos));
status = FolderCommandHelper.sanityCheck2(wControl, folderComponent, ureq, currentItem);
}
if(status == FolderCommandStatus.STATUS_FAILED) {
return null;
}
if (metaInfoCtr != null) metaInfoCtr.dispose();
metaInfoCtr = new MetaInfoFormController(ureq, wControl, currentItem);
listenTo(metaInfoCtr);
putInitialPanel(metaInfoCtr.getInitialComponent());
return this;
}
public int getStatus() {
return status;
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.components.Component,
* org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Component source, Event event) {
// nothing to do here
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.Controller,
* org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Controller source, Event event) {
if (source == metaInfoCtr) {
if (event == Event.DONE_EVENT) {
MetaInfo meta = metaInfoCtr.getMetaInfo();
meta.write();
String fileName = metaInfoCtr.getFilename();
if (metaInfoCtr.isFileRenamed()) {
// IMPORTANT: First rename the meta data because underlying file
// has to exist in order to work properly on it's meta data.
VFSContainer container = currentItem.getParentContainer();
if(container.resolve(fileName) != null) {
getWindowControl().setError(translator.translate("TargetNameAlreadyUsed"));
status = FolderCommandStatus.STATUS_FAILED;
} else {
if (meta != null) {
meta.rename(fileName);
}
if(VFSConstants.NO.equals(currentItem.rename(fileName))) {
getWindowControl().setError(translator.translate("FileRenameFailed", new String[]{fileName}));
status = FolderCommandStatus.STATUS_FAILED;
}
}
}
fireEvent(ureq, new FolderEvent(FolderEvent.EDIT_EVENT, fileName));
fireEvent(ureq, FOLDERCOMMAND_FINISHED);
} else if (event == Event.CANCELLED_EVENT) {
fireEvent(ureq, FOLDERCOMMAND_FINISHED);
}
}
}
protected void doDispose() {
// metaInfoCtr should be auto-disposed
}
public boolean runsModal() {
return false;
}
}