InputMaskRenderer.java

/*
 * Copyright 2009-2014 PrimeTek.
 *
 * 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.
 */
package org.primefaces.component.inputmask;

import java.io.IOException;
import java.util.logging.Logger;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.context.RequestContext;

import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;

public class InputMaskRenderer extends InputRenderer {
	
    private final static Logger logger = Logger.getLogger(InputMaskRenderer.class.getName());
    
	@Override
	public void decode(FacesContext context, UIComponent component) {
		InputMask inputMask = (InputMask) component;

        if(inputMask.isDisabled() || inputMask.isReadonly()) {
            return;
        }

        decodeBehaviors(context, inputMask);

		String clientId = inputMask.getClientId(context);
		String submittedValue = (String) context.getExternalContext().getRequestParameterMap().get(clientId);

        if(submittedValue != null) {
            inputMask.setSubmittedValue(submittedValue);
        }
	}
	
	@Override
	public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
		InputMask inputMask = (InputMask) component;
		
		encodeMarkup(context, inputMask);
		encodeScript(context, inputMask);
	}
	
	protected void encodeScript(FacesContext context, InputMask inputMask) throws IOException {
		String clientId = inputMask.getClientId(context);
        String mask = inputMask.getMask();
        WidgetBuilder wb = getWidgetBuilder(context);
        wb.init("InputMask", inputMask.resolveWidgetVar(), clientId);
        String placeHolder = inputMask.getPlaceHolder();
        String slotChar = inputMask.getSlotChar();

        if(placeHolder != null) {
            logger.warning("placeHolder attribute is deprecated, use slotChar instead.");
        }
        
        if(slotChar == null) {
            slotChar = placeHolder;
        }
        
        if(mask != null) {
            wb.attr("mask", mask)
                .attr("placeholder", slotChar, null);
        }

        wb.finish();
	}
	
	protected void encodeMarkup(FacesContext context, InputMask inputMask) throws IOException {
		ResponseWriter writer = context.getResponseWriter();
		String clientId = inputMask.getClientId(context);
        String styleClass = inputMask.getStyleClass();
        String defaultClass = InputMask.STYLE_CLASS;
        defaultClass = !inputMask.isValid() ? defaultClass + " ui-state-error" : defaultClass;
        defaultClass = inputMask.isDisabled() ? defaultClass + " ui-state-disabled" : defaultClass;
        styleClass = styleClass == null ? defaultClass : defaultClass + " " + styleClass;
		
		writer.startElement("input", null);
		writer.writeAttribute("id", clientId, null);
		writer.writeAttribute("name", clientId, null);
		writer.writeAttribute("type", "text", null);
		
		String valueToRender = ComponentUtils.getValueToRender(context, inputMask);
		if(valueToRender != null) {
			writer.writeAttribute("value", valueToRender , null);
		}
		
        renderPassThruAttributes(context, inputMask, HTML.INPUT_TEXT_ATTRS_WITHOUT_EVENTS);
        renderDomEvents(context, inputMask, HTML.INPUT_TEXT_EVENTS);

        if(inputMask.isDisabled()) writer.writeAttribute("disabled", "disabled", "disabled");
        if(inputMask.isReadonly()) writer.writeAttribute("readonly", "readonly", "readonly");
        if(inputMask.getStyle() != null) writer.writeAttribute("style", inputMask.getStyle(), "style");
		
        writer.writeAttribute("class", styleClass, "styleClass");
        
        if(RequestContext.getCurrentInstance().getApplicationContext().getConfig().isClientSideValidationEnabled()) {
            renderValidationMetadata(context, inputMask);
        }

        writer.endElement("input");
	}
}