/**
* 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) 2008 frentix GmbH,<br>
* http://www.frentix.com
* <p>
*/
package org.olat.test.guidemo;
import java.io.File;
import org.olat.core.commons.controllers.filechooser.FileChoosenEvent;
import org.olat.core.commons.controllers.filechooser.FileChooserController;
import org.olat.core.commons.controllers.filechooser.FileChooserUIFactory;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.velocity.VelocityContainer;
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.dev.controller.SourceViewController;
import org.olat.core.util.WebappHelper;
import org.olat.core.util.vfs.LocalFolderImpl;
import org.olat.core.util.vfs.LocalImpl;
import org.olat.core.util.vfs.VFSContainer;
import org.olat.core.util.vfs.VFSItem;
import org.olat.core.util.vfs.filters.VFSItemExcludePrefixFilter;
import org.olat.core.util.vfs.filters.VFSItemFilter;
/**
* Description:<br>
* Demo of the filechooser. For this demo we can browse through the olat app
* code
*
* <P>
* Initial Date: 12.06.2008 <br>
*
* @author gnaegi
*/
public class GuiDemoFileChooserController extends BasicController {
private FileChooserController chooserCtr;
private VelocityContainer contentVC;
/**
* Constructor for the file chooser gui demo
* @param ureq
* @param wControl
*/
public GuiDemoFileChooserController(UserRequest ureq, WindowControl wControl) {
super(ureq, wControl);
// Main view is a velocity container
contentVC = createVelocityContainer("guidemo-filechooser");
// Create File chooser for the web app root directory
File webappRootFile = new File(WebappHelper.getContextRoot());
VFSContainer webappRoot = new LocalFolderImpl(webappRootFile);
// don't show cvs and hidden files meta files
VFSItemFilter filter = new VFSItemExcludePrefixFilter(new String[]{"CVS","cvs", "."});
// create file chooser with the filter and the web app root
chooserCtr = FileChooserUIFactory.createFileChooserController(ureq, getWindowControl(), webappRoot, filter, false);
listenTo(chooserCtr);
contentVC.put("chooserCtr", chooserCtr.getInitialComponent());
//add source view control
Controller sourceview = new SourceViewController(ureq, wControl, this.getClass(), contentVC);
contentVC.put("sourceview", sourceview.getInitialComponent());
putInitialPanel(contentVC);
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose()
*/
@Override
protected void doDispose() {
contentVC = null;
// Controllers auto disposed by basic controller
chooserCtr = null;
}
/**
* @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)
*/
protected void event(UserRequest ureq, Controller source, Event event) {
if (source == chooserCtr) {
// catch the events from the file chooser controller here
if (event instanceof FileChoosenEvent) {
// User pressed select button, get selected item from controller
VFSItem selectedItem = FileChooserUIFactory.getSelectedItem((FileChoosenEvent)event);
// for this demo just get file path and display an info message
LocalImpl localFile = (LocalImpl) selectedItem;
String absPath = localFile.getBasefile().getAbsolutePath();
String relPath = absPath.substring(WebappHelper.getContextRoot().length());
getWindowControl().setInfo("user selected " + relPath);
} else if (event == Event.CANCELLED_EVENT) {
// user pressed cancel
getWindowControl().setInfo("user cancelled");
} else if (event == Event.FAILED_EVENT) {
// selection failed for unknown reason
getWindowControl().setError("Ups, an error occured");
}
}
}
/**
* @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)
*/
@Override
protected void event(UserRequest ureq, Component source, Event event) {
// no events to catch
}
}