/**
* 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) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.test.guidemo;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.link.Link;
import org.olat.core.gui.components.link.LinkFactory;
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.control.generic.breadcrumb.BreadCrumbController;
import org.olat.core.gui.control.generic.breadcrumb.CrumbBasicController;
import org.olat.core.gui.control.generic.breadcrumb.CrumbController;
import org.olat.core.gui.dev.controller.SourceViewController;
/**
* Description:<br>
* This demo shown you how you can use the bread crumb controller to build
* simple bread crumb navigation. Bread crumb is good to use when the user can
* start a workflow that runs within your parent workflow and maybe want to go
* back.
* <p>
* Don't use it to build wizards, see the steps controller for this
* <P>
* Initial Date: 08.09.2008 <br>
*
* @author gnaegi
*/
public class GuiDemoBreadCrumbController extends BasicController {
private BreadCrumbController breadCrumbCtr;
private VelocityContainer content;
/**
* Constructor for a demo of the bread crumb controller
* @param ureq
* @param control
*/
public GuiDemoBreadCrumbController(UserRequest ureq, WindowControl control) {
super(ureq, control);
content = createVelocityContainer("breadcrump");
// init bread crumb controller and add first element
breadCrumbCtr = new BreadCrumbController(ureq, control);
int level = 0;
CrumbController ctr = new GuiDemoBreadCrumbContentController(ureq, getWindowControl(), level);
breadCrumbCtr.activateFirstCrumbController(ctr);
content.put("breadcrump", breadCrumbCtr.getInitialComponent());
//add source view control
Controller sourceview = new SourceViewController(ureq, control, this.getClass(), content);
content.put("sourceview", sourceview.getInitialComponent());
putInitialPanel(content);
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose()
*/
@Override
protected void doDispose() {
if (breadCrumbCtr != null) {
breadCrumbCtr.dispose();
breadCrumbCtr = null;
}
}
/**
* @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
}
/**
* Inner class that implements the actual content.
* Description:<br>
* <P>
* Initial Date: 08.09.2008 <br>
* @author gnaegi
*/
private class GuiDemoBreadCrumbContentController extends CrumbBasicController {
private int crumbLevel;
private Link createNewLink, removeCurrentLink;
private VelocityContainer main = createVelocityContainer("guidemo-breadcrumb");
protected GuiDemoBreadCrumbContentController(UserRequest ureq, WindowControl control, int crumbLevel) {
super(ureq, control);
this.crumbLevel = crumbLevel;
main.contextPut("level", this.crumbLevel);
createNewLink = LinkFactory.createButton("GuiDemoBreadCrumbController.button.add", main, this);
if (crumbLevel != 0) removeCurrentLink = LinkFactory.createButton("GuiDemoBreadCrumbController.button.remove", main, this);
putInitialPanel(main);
}
@Override
protected void doDispose() {
// child crumb controller auto disposed by deactivate method
}
@Override
protected void event(UserRequest ureq, Component source, Event event) {
if (source.equals(createNewLink)) {
CrumbController ctr = new GuiDemoBreadCrumbContentController(ureq, getWindowControl(), this.crumbLevel + 1);
activateAndListenToChildCrumbController(ctr);
}
else if (source.equals(removeCurrentLink)) {
removeFromBreadCrumbPathAndDispose();
}
}
@Override
public String getCrumbLinkText() {
return "crumb " + crumbLevel;
}
@Override
public String getCrumbLinkHooverText() {
return "click here to to go crumb " + 1;
}
}
}