/*
* Copyright 2009 Prime Technology.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.dnd;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.dashboard.Dashboard;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.ComponentUtils;
public class DraggableRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
Draggable draggable = (Draggable) component;
String clientId = draggable.getClientId(facesContext);
String target = findTarget(facesContext, draggable);
String dashboard = draggable.getDashboard();
writer.startElement("script", draggable);
writer.writeAttribute("type", "text/javascript", null);
writer.write("$(function() {");
writer.write(draggable.resolveWidgetVar() + " = new PrimeFaces.widget.Draggable('" + clientId + "',");
writer.write("{");
writer.write("target:'" + target + "'");
writer.write(",cursor:'" + draggable.getCursor() + "'");
//Configuration
if (draggable.isDisabled())
writer.write(",disabled:true");
if (draggable.getAxis() != null)
writer.write(",axis:'" + draggable.getAxis() + "'");
if (draggable.getContainment() != null)
writer.write(",containment:'" + draggable.getContainment() + "'");
if (draggable.getHelper() != null)
writer.write(",helper:'" + draggable.getHelper() + "'");
if (draggable.isRevert())
writer.write(",revert:'invalid'");
if (draggable.getZindex() != -1)
writer.write(",zIndex:" + draggable.getZindex());
if (draggable.getHandle() != null)
writer.write(",handle:'" + draggable.getHandle() + "'");
if (draggable.getOpacity() != 1.0)
writer.write(",opacity:" + draggable.getOpacity());
if (draggable.getStack() != null)
writer.write(",stack:'" + draggable.getStack() + "'");
if (draggable.getGrid() != null)
writer.write(",grid:[" + draggable.getGrid() + "]");
if (draggable.getScope() != null)
writer.write(",scope:'" + draggable.getScope() + "'");
if (draggable.isSnap()) {
writer.write(",snap:true");
writer.write(",snapTolerance:" + draggable.getSnapTolerance());
if (draggable.getSnapMode() != null)
writer.write(",snapMode:'" + draggable.getSnapMode() + "'");
}
//Dashboard support
if (dashboard != null) {
Dashboard db = (Dashboard) draggable.findComponent(dashboard);
if (db == null) {
throw new FacesException("Cannot find dashboard \"" + dashboard + "\" in view");
}
writer.write(",connectToSortable:'" + ComponentUtils.escapeJQueryId(db.getClientId(facesContext)) + " .ui-dashboard-column'");
}
writer.write("});");
writer.write("});");
writer.endElement("script");
}
protected String findTarget(FacesContext facesContext, Draggable draggable) {
String _for = draggable.getFor();
if (_for != null) {
UIComponent component = draggable.findComponent(_for);
if (component == null)
throw new FacesException("Cannot find component \"" + _for + "\" in view.");
else
return component.getClientId(facesContext);
} else {
return draggable.getParent().getClientId(facesContext);
}
}
}