/**
* License Agreement.
*
* Ajax4jsf 1.1 - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.renderkit.html;
//
// Imports
//
import java.util.Iterator;
import java.util.Collection;
import java.util.Map;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.ajax4jsf.renderkit.ComponentsVariableResolver;
import org.ajax4jsf.renderkit.ComponentVariables;
import org.ajax4jsf.context.AjaxContext;
//
//
//
import org.richfaces.renderkit.html.SortIconRenderer;
/**
* Renderer for component class org.richfaces.renderkit.html.ScrollableDataTableHeaderItselfRenderer
*/
public class ScrollableDataTableHeaderItselfRenderer extends SortIconRenderer {
public ScrollableDataTableHeaderItselfRenderer () {
super();
}
//
// Declarations
//
//
//
//
private String convertToString(Object obj ) {
return ( obj == null ? "" : obj.toString() );
}
private String convertToString(boolean b ) {
return String.valueOf(b);
}
private String convertToString(int b ) {
return b!=Integer.MIN_VALUE?String.valueOf(b):"";
}
private String convertToString(long b ) {
return b!=Long.MIN_VALUE?String.valueOf(b):"";
}
private boolean isEmpty(Object o) {
if (null == o) {
return true;
}
if (o instanceof String ) {
return (0 == ((String)o).length());
}
if (o instanceof Collection) {
return (0 == ((Collection)o).size());
}
if (o instanceof Map) {
return (0 == ((Map)o).size());
}
if (o.getClass().isArray()) {
return (0 == ((Object [])o).length);
}
return false;
}
/**
* Get base component class, targetted for this renderer. Used for check arguments in decode/encode.
* @return
*/
protected Class getComponentClass() {
return javax.faces.component.UIComponent.class;
}
public void doEncodeBegin(ResponseWriter writer, FacesContext context, UIComponent component ) throws IOException {
ComponentVariables variables = ComponentsVariableResolver.getVariables(this, component);
doEncodeBegin(writer, context, (javax.faces.component.UIComponent)component, variables );
}
public void doEncodeBegin(ResponseWriter writer, FacesContext context, javax.faces.component.UIComponent component, ComponentVariables variables ) throws IOException {
writer.startElement("div", component);
getUtils().writeAttribute(writer, "class", "dr-sdt-cbody dr-sdt-c-" + convertToString(variables.getVariable("cell_index")) + " " + convertToString(component.getAttributes().get("headerClass")) );
getUtils().writeAttribute(writer, "id", convertToString(variables.getVariable("client_id")) + ":hcb_" + convertToString(variables.getVariable("cell_index")) );
}
public void doEncodeEnd(ResponseWriter writer, FacesContext context, javax.faces.component.UIComponent component, ComponentVariables variables) throws IOException {
writer.startElement("div", component);
getUtils().writeAttribute(writer, "align", "right" );
getUtils().writeAttribute(writer, "class", "dr-sdt-sort-icon" );
getUtils().writeAttribute(writer, "id", convertToString(variables.getVariable("client_id")) + ":hs_" + convertToString(variables.getVariable("cell_index")) );
if ( Boolean.valueOf( String.valueOf(variables.getVariable("sortAscending")) ).booleanValue() ) {
renderAscIcon(context, component);
}
if ( Boolean.valueOf( String.valueOf(variables.getVariable("sortDescending")) ).booleanValue() ) {
renderDescIcon(context, component);
}
writer.endElement("div");
writer.endElement("div");
{
//Auto-generated block.
//Add to ajax context list of element ids passed as *areas* param
String [] _areas = (convertToString(variables.getVariable("client_id")) + ":hcb_" + convertToString(variables.getVariable("cell_index"))).split(",\" ");
AjaxContext _ajaxContext = AjaxContext.getCurrentInstance(context);
if (_ajaxContext.isAjaxRequest()) {
for (int _i = 0; _i < _areas.length; _i++) {
_ajaxContext.addRenderedArea(_areas[_i]);
}
}
}
}
public void doEncodeEnd(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
ComponentVariables variables = ComponentsVariableResolver.getVariables(this, component);
doEncodeEnd(writer, context, (javax.faces.component.UIComponent)component, variables );
ComponentsVariableResolver.removeVariables(this, component);
}
}