AddElementsController.java

/**
 * <a href="http://www.openolat.org">
 * OpenOLAT - Online Learning and Training</a><br>
 * <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 the
 * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
 * <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>
 * Initial code contributed and copyrighted by<br>
 * frentix GmbH, http://www.frentix.com
 * <p>
 */
package org.olat.modules.portfolio.ui.editor;

import java.util.ArrayList;
import java.util.List;

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.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.modules.portfolio.ui.editor.PageEditorController.EditorFragment;
import org.olat.modules.portfolio.ui.editor.event.AddElementEvent;

/**
 * 
 * Initial date: 04.07.2016<br>
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 *
 */
public class AddElementsController extends BasicController {
	
	private final PageElementTarget target;
	private final EditorFragment referenceFragment;
	
	public AddElementsController(UserRequest ureq, WindowControl wControl, PageEditorProvider provider,
			EditorFragment referenceFragment, PageElementTarget target) {
		super(ureq, wControl);
		
		this.target = target;
		this.referenceFragment = referenceFragment;
		
		VelocityContainer mainVC = createVelocityContainer("add_elements");
		
		List<String> addElements = new ArrayList<>();
		for(PageElementHandler handler:provider.getCreateHandlers()) {
			if(handler instanceof InteractiveAddPageElementHandler || handler instanceof SimpleAddPageElementHandler) {
				String id = "add.el." + handler.getType();
				Link addLink = LinkFactory.createLink(id, "add." + handler.getType(), "add.elements", mainVC, this);
				addLink.setIconLeftCSS("o_icon o_icon-lg " + handler.getIconCssClass());
				addLink.setUserObject(handler);
				addLink.setTooltip("add." + handler.getType());
				mainVC.put(id, addLink);
				addElements.add(id);
			}
		}
		
		mainVC.contextPut("linkNames", addElements);
		putInitialPanel(mainVC);
		
	}

	@Override
	protected void event(UserRequest ureq, Component source, Event event) {
		if(source instanceof Link) {
			Link link = (Link)source;
			if("add.elements".equals(link.getCommand())) {
				PageElementHandler handler = (PageElementHandler)link.getUserObject();
				fireEvent(ureq, new AddElementEvent(referenceFragment, handler, target));
			}
		}
	}

	@Override
	protected void doDispose() {
		//
	}
}