org.primefaces.component.inputtext.InputTextRenderer Maven / Gradle / Ivy

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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.

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/**
 * Copyright 2009-2018 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.inputtext;

import java.io.IOException;
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 InputTextRenderer extends InputRenderer {

    @Override
    public void decode(FacesContext context, UIComponent component) {
        InputText inputText = (InputText) component;

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

        decodeBehaviors(context, inputText);

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

        if (submittedValue != null) {
            inputText.setSubmittedValue(submittedValue);
        }
    }

    @Override
    public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
        InputText inputText = (InputText) component;

        encodeMarkup(context, inputText);
        encodeScript(context, inputText);
    }

    protected void encodeScript(FacesContext context, InputText inputText) throws IOException {
        String clientId = inputText.getClientId(context);
        WidgetBuilder wb = getWidgetBuilder(context);
        wb.init("InputText", inputText.resolveWidgetVar(), clientId).finish();
    }

    protected void encodeMarkup(FacesContext context, InputText inputText) throws IOException {
        ResponseWriter writer = context.getResponseWriter();
        String clientId = inputText.getClientId(context);

        writer.startElement("input", inputText);
        writer.writeAttribute("id", clientId, null);
        writer.writeAttribute("name", clientId, null);
        writer.writeAttribute("type", inputText.getType(), null);

        String valueToRender = ComponentUtils.getValueToRender(context, inputText);
        if (valueToRender != null) {
            writer.writeAttribute("value", valueToRender, null);
        }

        renderPassThruAttributes(context, inputText, HTML.INPUT_TEXT_ATTRS_WITHOUT_EVENTS);
        renderDomEvents(context, inputText, HTML.INPUT_TEXT_EVENTS);

        if (inputText.isDisabled()) writer.writeAttribute("disabled", "disabled", null);
        if (inputText.isReadonly()) writer.writeAttribute("readonly", "readonly", null);
        if (inputText.getStyle() != null) writer.writeAttribute("style", inputText.getStyle(), null);
        if (inputText.isRequired()) writer.writeAttribute("aria-required", "true", null);

        writer.writeAttribute("class", createStyleClass(inputText), "styleClass");

        if (RequestContext.getCurrentInstance(context).getApplicationContext().getConfig().isClientSideValidationEnabled()) {
            renderValidationMetadata(context, inputText);
        }

        writer.endElement("input");
    }

    protected String createStyleClass(InputText inputText) {
        String defaultClass = InputText.STYLE_CLASS;
        defaultClass = inputText.isValid() ? defaultClass : defaultClass + " ui-state-error";
        defaultClass = !inputText.isDisabled() ? defaultClass : defaultClass + " ui-state-disabled";

        String styleClass = inputText.getStyleClass();
        styleClass = styleClass == null ? defaultClass : defaultClass + " " + styleClass;

        return styleClass;
    }
}