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org.richfaces.renderkit.html.TreeNodeRenderer Maven / Gradle / Ivy
package org.richfaces.renderkit.html;
import java.io.IOException ;
import javax.faces.component.UIComponent ;
import javax.faces.context.FacesContext ;
import javax.faces.context.ResponseWriter ;
import org.richfaces.renderkit.RenderKitUtils ;
import static org.richfaces.renderkit.RenderKitUtils .*;
import org.richfaces.renderkit.RenderKitUtils .Attributes ;
import org.richfaces.renderkit.RenderKitUtils .ScriptHashVariableWrapper ;
import org.richfaces.renderkit.TreeNodeRendererBase ;
import org.richfaces.renderkit.TreeNodeState ;
public class TreeNodeRenderer extends TreeNodeRendererBase {
private static final Attributes PASS_THROUGH_ATTRIBUTES13 = attributes()
.generic("align" ,"align" )
.generic("dir" ,"dir" )
.generic("lang" ,"lang" )
.generic("onclick" ,"onclick" ,"click" )
.generic("ondblclick" ,"ondblclick" ,"dblclick" )
.generic("onkeydown" ,"onkeydown" ,"keydown" )
.generic("onkeypress" ,"onkeypress" ,"keypress" )
.generic("onkeyup" ,"onkeyup" ,"keyup" )
.generic("onmousedown" ,"onmousedown" ,"mousedown" )
.generic("onmousemove" ,"onmousemove" ,"mousemove" )
.generic("onmouseout" ,"onmouseout" ,"mouseout" )
.generic("onmouseover" ,"onmouseover" ,"mouseover" )
.generic("onmouseup" ,"onmouseup" ,"mouseup" )
.generic("role" ,"role" )
.generic("style" ,"style" )
.generic("title" ,"title" )
;
private static boolean isEmpty(Object object )
{
if (object == null ) {
return true ;
} else if (object .getClass ( ).isArray ( )) {
return ((Object []) object ).length == 0 ;
} else if (object instanceof java .util .Collection ) {
return ((java.util.Collection ) object ).isEmpty ( ) ;
} else if (object instanceof java .util .Map ) {
return ((java.util.Map ) object ).isEmpty ( ) ;
} else {
return object .toString ( ).length ( ) == 0 ;
}
}
@Override
public void doEncodeBegin(ResponseWriter responseWriter, FacesContext facesContext, UIComponent component)
throws IOException
{
String clientId = component.getClientId(facesContext);
TreeNodeState nodeState = (TreeNodeState )this .getNodeState(facesContext);
UIComponent tree = (UIComponent )this .getTreeComponent(component);
addClientEventHandlers(facesContext, component);
responseWriter.startElement("div" , component);
{
Object value = this .concatClasses("rf-trn" ,component.getAttributes().get("styleClass" ),tree.getAttributes().get("nodeClass" ));
if (null != value &&
shouldRenderAttribute(value)
) {
responseWriter.writeAttribute("class" ,value,null );
}
}
renderPassThroughAttributes(facesContext, component,
PASS_THROUGH_ATTRIBUTES13 );
UIComponent loadingFacet = (UIComponent )this .getHandleLoadingFacetIfApplicable(component);
if (((!isEmpty(loadingFacet)) && loadingFacet.isRendered())) {
responseWriter.startElement("span" , component);
responseWriter.writeAttribute("class" ,"rf-trn-hnd-ldn-fct" ,null );
loadingFacet.encodeAll(facesContext);
;
responseWriter.endElement("span" );
}
responseWriter.startElement("span" , component);
{
Object value = this .concatClasses(nodeState.getHandleClass(),component.getAttributes().get("handleClass" ),tree.getAttributes().get("handleClass" ));
if (null != value &&
shouldRenderAttribute(value)
) {
responseWriter.writeAttribute("class" ,value,null );
}
}
responseWriter.endElement("span" );
responseWriter.startElement("span" , component);
responseWriter.writeAttribute("class" ,"rf-trn-cnt" ,null );
encodeIcon(facesContext, component);
responseWriter.startElement("span" , component);
{
Object value = this .concatClasses("rf-trn-lbl" ,component.getAttributes().get("labelClass" ),tree.getAttributes().get("labelClass" ));
if (null != value &&
shouldRenderAttribute(value)
) {
responseWriter.writeAttribute("class" ,value,null );
}
}
}
@Override
public void doEncodeEnd(ResponseWriter responseWriter, FacesContext facesContext, UIComponent component)
throws IOException
{
String clientId = component.getClientId(facesContext);
responseWriter.endElement("span" );
responseWriter.endElement("span" );
responseWriter.endElement("div" );
}
}