org.richfaces.renderkit.html.FocusRenderer Maven / Gradle / Ivy

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package org.richfaces.renderkit.html;

import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.richfaces.component.AbstractFocus;
import org.richfaces.component.AbstractFocus.Mode;
import org.richfaces.renderkit.FocusRendererBase;
import org.richfaces.renderkit.RenderKitUtils;
import static org.richfaces.renderkit.RenderKitUtils.*;
import org.richfaces.renderkit.RenderKitUtils.Attributes;
import org.richfaces.renderkit.RenderKitUtils.ScriptHashVariableWrapper;


public class FocusRenderer extends FocusRendererBase {
	
	
private static String convertToString(Object object) 
 {
		return object != null ? object.toString() : "";
	}
	
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 doEncodeEnd(ResponseWriter responseWriter, FacesContext facesContext, UIComponent uiComponent) 
		throws IOException
	 {
		AbstractFocus component = (AbstractFocus) uiComponent;
String clientId = component.getClientId(facesContext);
responseWriter.startElement("span", component); 
  responseWriter.writeAttribute("class","rf-fcs",null);

   {
      String value = clientId;
      if(null != value &&
         value.length()>0
      ) {
        responseWriter.writeAttribute("id",value,null);
      }
      
   }


responseWriter.startElement("input", component); 
   {
      String value = convertToString(clientId) + "InputFocus";
      if(null != value &&
         value.length()>0
      ) {
        responseWriter.writeAttribute("id",value,null);
      }
      
   }

  responseWriter.writeAttribute("name","org.richfaces.focus",null);

  responseWriter.writeAttribute("type","hidden",null);

   {
      Object value = component.getValue();
      if(null != value &&
      shouldRenderAttribute(value)
      ) {
        responseWriter.writeAttribute("value",value,null);
      }
      
   }


responseWriter.endElement("input"); 
Map options = new LinkedHashMap(); 
addToScriptHash(options, "mode", component.getMode(), null, null);

addToScriptHash(options, "focusCandidates", this.getFocusCandidatesAsString(facesContext,component), null, null);


Object scriptArgs  =  (Object)toScriptArgs(options); 
String script  =  (String)"new RichFaces.ui.Focus('" + convertToString(clientId) + "', " + convertToString((isEmpty(scriptArgs) ? "{}" : scriptArgs)) + ");"; 
renderOncompleteScript(facesContext, script);
	if (this.shouldApply(facesContext,component)) {
	String applyScript  =  (String)"RichFaces.component('" + convertToString(clientId) + "').applyFocus()"; 
	renderOncompleteScript(facesContext, applyScript);
}
responseWriter.endElement("span"); 

	}
}