htmlhelloinput.java

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/*
 * HtmlHelloInput.java
 * 
 * Created on 2007-9-24, 10:03:43
 * 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package biz.tbuy.common.components.test;

import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;

/**
 *
 * @author Administrator
 */
public class HtmlHelloInput extends UIInput{

    public HtmlHelloInput() {
        setRendererType(null);
    }

    @Override
    public void encodeEnd(FacesContext fc) throws IOException{
        String clientId = getClientId(fc);
        encodeInputField(fc, clientId + ":input");
        encodeSubmitButton(fc, clientId + ":submit");
        encodeOutputField(fc);
    }
    
    private void encodeOutputField(FacesContext fc) throws IOException{
        ResponseWriter writer = fc.getResponseWriter();
        String msg = (String)getAttributes().get("value");
        writer.startElement("p", this);
        writer.writeText("You entered: " + msg, null);
        writer.endElement("p");
    }
    
    private void encodeSubmitButton(FacesContext fc, String clientId) 
            throws IOException {
        ResponseWriter writer = fc.getResponseWriter();
        writer.startElement("input", this);
        writer.writeAttribute("type", "submit", null);
        writer.writeAttribute("name", clientId, "clientId");
        writer.writeAttribute("value", "Click Me!", null);
        writer.endElement("input");
    }
    
    private void encodeInputField(FacesContext fc, String clientId) 
            throws IOException{
        ResponseWriter writer = fc.getResponseWriter();
        writer.startElement("input", this);
        writer.writeAttribute("type", "text", null);
        writer.writeAttribute("name", clientId, null);
        Object value = getValue();
        if (value != null) {
            writer.writeAttribute("value", value.toString(), "value");
        }
        writer.writeAttribute("size", "6", null);
        writer.endElement("input");
    }
    
    /** decode ***/
    @Override
    public void decode(FacesContext fc) {
        Map rMap = fc.getExternalContext().getRequestParameterMap();
        String clientId = getClientId(fc);
        String helloMsg = (String) rMap.get(clientId + ":input");
        setSubmittedValue(helloMsg);
    }
}