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/*
* Original Code Copyright Prime Technology.
* Subsequent Code Modifications Copyright 2011-2014 ICEsoft Technologies Canada Corp. (c)
*
* 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.
*
* NOTE THIS CODE HAS BEEN MODIFIED FROM ORIGINAL FORM
*
* Subsequent Code Modifications have been made and contributed by ICEsoft Technologies Canada Corp. (c).
*
* Code Modification 1: Integrated with ICEfaces Advanced Component Environment.
* Contributors: ICEsoft Technologies Canada Corp. (c)
*
* Code Modification 2: [ADD BRIEF DESCRIPTION HERE]
* Contributors: ______________________
* Contributors: ______________________
*/
package org.icefaces.ace.component.dnd;
import java.io.IOException;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.component.UIData;
import javax.faces.component.UINamingContainer;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
//import org.icefaces.ace.component.dashboard.Dashboard;
import org.icefaces.ace.event.DragDropEvent;
import org.icefaces.ace.renderkit.CoreRenderer;
import org.icefaces.ace.util.ComponentUtils;
import org.icefaces.render.MandatoryResourceComponent;
import org.icefaces.ace.util.JSONBuilder;
@MandatoryResourceComponent(tagName="draggable", value="org.icefaces.ace.component.dnd.Draggable")
public class DraggableRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
Map params = context.getExternalContext().getRequestParameterMap();
Draggable draggable = (Draggable) component;
String clientId = draggable.getClientId(context);
String datasourceId = draggable.getDatasource();
if(params.containsKey(clientId)) {
if (params.containsKey(clientId + "_dragStart")) {
String dragId = params.get(clientId + "_dragStart"); // id of component being dragged
if (dragId == null) dragId = "";
DragDropEvent event = null;
if (datasourceId != null) {
UIData datasource = findDatasource(context, draggable, datasourceId);
String[] idTokens = dragId.split(String.valueOf(UINamingContainer.getSeparatorChar(context)));
int rowIndex;
try {
rowIndex = Integer.parseInt(idTokens[idTokens.length - 2]);
} catch (Exception e) {
rowIndex = -1;
}
datasource.setRowIndex(rowIndex);
Object data = datasource.getRowData();
datasource.setRowIndex(-1);
event = new DragDropEvent(draggable, dragId, null, data);
}
else {
event = new DragDropEvent(draggable, dragId, null, null);
}
draggable.queueEvent(event);
}
}
decodeBehaviors(context, component);
}
@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("span", draggable);
writer.writeAttribute("id", clientId, null);
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write("ice.ace.jq(function() {");
JSONBuilder jb = JSONBuilder.create();
jb.beginFunction("ice.ace.create");
jb.item("Draggable");
jb.beginArray();
jb.item(clientId);
jb.beginMap();
jb.entry("target", target);
jb.entryNonNullValue("cursor", draggable.getCursor());
//Configuration
if (draggable.isDisabled())
jb.entry("disabled", true);
if (draggable.getAxis() != null)
jb.entry("axis", draggable.getAxis());
if (draggable.getContainment() != null)
jb.entry("containment", draggable.getContainment());
if (draggable.getHelper() != null)
jb.entry("helper", draggable.getHelper());
if (draggable.isRevert())
jb.entry("revert", "invalid");
if (draggable.getZindex() != -1)
jb.entry("zIndex", draggable.getZindex());
if (draggable.getHandle() != null)
jb.entry("handle", draggable.getHandle());
if (draggable.getOpacity() != 1.0)
jb.entry("opacity", draggable.getOpacity());
if (draggable.getStack() != null)
jb.entry("stack", draggable.getStack());
if (draggable.getGrid() != null)
jb.entry("grid", "[" + draggable.getGrid() + "]", true);
if (draggable.getScope() != null)
jb.entry("scope", draggable.getScope());
if (draggable.isSnap()) {
jb.entry("snap", true);
jb.entry("snapTolerance", draggable.getSnapTolerance());
if (draggable.getSnapMode() != null)
jb.entry("snapMode", draggable.getSnapMode());
}
if(draggable.getDragStartListener() != null) {
jb.entry("dragStart", true);
}
encodeClientBehaviors(facesContext, draggable, jb);
jb.endMap().endArray().endFunction();
writer.write(jb.toString());
writer.write("});");
writer.endElement("script");
writer.endElement("span");
}
protected String findTarget(FacesContext facesContext, Draggable draggable) {
String _for;
UIComponent component;
if ((_for = draggable.getFor()) != null)
if ((component = draggable.findComponent(_for)) == null)
throw new FacesException("Cannot find component \"" + _for + "\" in view.");
else return component.getClientId(facesContext);
else return draggable.getParent().getClientId(facesContext);
}
protected UIData findDatasource(FacesContext context, Draggable draggable, String datasourceId) {
UIComponent datasource = draggable.findComponent(datasourceId);
if(datasource == null)
throw new FacesException("Cannot find component \"" + datasourceId + "\" in view.");
else
return (UIData) datasource;
}
}