/**
* 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.gui.components.panel;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.ComponentRenderer;
import org.olat.core.gui.render.RenderResult;
import org.olat.core.gui.render.Renderer;
import org.olat.core.gui.render.RenderingState;
import org.olat.core.gui.render.StringOutput;
import org.olat.core.gui.render.URLBuilder;
import org.olat.core.gui.translator.Translator;
/**
* Description: <br>
*
* @author Felix Jost
*/
public class PanelRenderer implements ComponentRenderer {
/**
*
*/
public PanelRenderer() {
//
}
/**
* @see org.olat.core.gui.render.ui.ComponentRenderer#render(org.olat.core.gui.render.Renderer,
* org.olat.core.gui.render.StringOutput, org.olat.core.gui.components.Component,
* org.olat.core.gui.render.URLBuilder, org.olat.core.gui.translator.Translator,
* org.olat.core.gui.render.RenderResult, java.lang.String[])
*/
public void render(Renderer renderer, StringOutput sb, Component source, URLBuilder ubu, Translator translator,
RenderResult renderResult, String[] args) {
Panel panel = (Panel) source;
Component toRender = panel.getContent();
// alpha-quality for drag and drop
/*if (renderer.getGlobalSettings().getAjaxFlags().isDragAndDropEnabled()) {
DragAndDropImpl dndi = panel.doGetDragAndDrop();
if (dndi != null) {
DroppableImpl di = dndi.getDroppableImpl();
if (di != null) {
String urivar = renderer.getComponentPrefix(panel)+"_dropurl";
sb.append("<script type=\"text/javascript\">var ").append(urivar).append(" = \"");
boolean iframePostEnabled = renderer.getGlobalSettings().getAjaxFlags().isIframePostEnabled();
ubu.buildURI(sb, null, null, iframePostEnabled? AJAXFlags.MODE_TOBGIFRAME : AJAXFlags.MODE_NORMAL);
sb.append("\";</script>");
}
}
}*/
if (toRender != null) {
//FIXME:fj: replace , args with , null ?
renderer.render(sb, toRender, args);
}
}
/**
* @see org.olat.core.gui.render.ui.ComponentRenderer#renderHeaderIncludes(org.olat.core.gui.render.Renderer,
* org.olat.core.gui.render.StringOutput, org.olat.core.gui.components.Component,
* org.olat.core.gui.render.URLBuilder, org.olat.core.gui.translator.Translator)
*/
public void renderHeaderIncludes(Renderer renderer, StringOutput sb, Component source, URLBuilder ubu, Translator translator, RenderingState rstate) {
Panel panel = (Panel) source;
Component toRender = panel.getContent();
if (toRender != null) {
// delegate header rendering to the content
renderer.renderHeaderIncludes(sb, toRender, rstate);
}
}
/**
* @see org.olat.core.gui.render.ui.ComponentRenderer#renderBodyOnLoadJSFunctionCall(org.olat.core.gui.render.Renderer,
* org.olat.core.gui.render.StringOutput, org.olat.core.gui.components.Component)
*/
public void renderBodyOnLoadJSFunctionCall(Renderer renderer, StringOutput sb, Component source, RenderingState rstate) {
Panel panel = (Panel) source;
Component toRender = panel.getContent();
/*if (renderer.getGlobalSettings().getAjaxFlags().isDragAndDropEnabled()) {
// first activate the drag and drop
// drag and drop to look at
DragAndDropImpl dndi = panel.doGetDragAndDrop();
if (dndi != null) {
DroppableImpl di = dndi.getDroppableImpl();
if (di != null) {
boolean iframePostEnabled = renderer.getGlobalSettings().getAjaxFlags().isIframePostEnabled();
String compPrefix = renderer.getComponentPrefix(panel);
// we have a droppable
List dragIds = di.getAccepted();
if (dragIds.size() > 0) {
for (Iterator it_dragids = dragIds.iterator(); it_dragids.hasNext();) {
Draggable draga = (Draggable) it_dragids.next();
List cids = draga.getContainerIds();
sb.append("Droppables.add('").append(compPrefix).append("',{containment:[");
int clen = cids.size();
for (int i = 0; i < clen; i++) {
sb.append("\"").append((String)cids.get(i)).append("\"");
if (i < clen-1) sb.append(",");
}
String urivar = renderer.getComponentPrefix(panel)+"_dropurl";
sb.append("],onDrop:function(el){o_info.drop=true;");
if (iframePostEnabled) {
sb.append("var f = $('o_oaap'); f.v.value=el.id; f.action = ").append(urivar).append("; f.submit();");
} else {
//TODO: also use the global post form, but the form must have a different target(self)
sb.append("document.location.href = ").append(urivar).append(" + \"?v=\"+el.id;");
}
sb.append("}});\n");
}
}
}
if (toRender != null) {
// only offer drag code if there is content.
// render code for - draggable -
Draggable drag = dndi.getDraggable();
if (drag != null) {
String id = renderer.getComponentPrefix(toRender);
sb.append("new Draggable('").append(id).append("', {revert:function(el){if (o_info.drop) {o_info.drop = false; return false;} else return true;}});\n");
}
}
}
//<script type="text/javascript">
//Droppables.add('cart', {accept:'products',
//onDrop:function(element){
//new Ajax.Updater('items', '/shop/add', {
//onLoading:function(request){Element.show('indicator')},
//onComplete:function(request){Element.hide('indicator')},
//parameters:'id=' + encodeURIComponent(element.id),
//evalScripts:true, asynchronous:true})}, hoverclass:'cart-active'})</script>
}*/
if (toRender != null) {
// delegate header rendering to the content
renderer.renderBodyOnLoadJSFunctionCall(sb, toRender, rstate);
}
}
}