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/*
* The MIT License
*
* Copyright (c) 2009-2024 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.renderkit;
import java.io.IOException;
import java.util.Objects;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import org.primefaces.component.api.InputHolder;
import org.primefaces.util.*;
public abstract class InputRenderer extends CoreRenderer {
private static final String SB_STYLECLASS = InputRenderer.class.getName() + "#createStyleClass";
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
Converter converter = ComponentUtils.getConverter(context, component);
if (converter != null) {
String convertableValue = submittedValue == null ? null : submittedValue.toString();
return converter.getAsObject(context, component, convertableValue);
}
else {
return submittedValue;
}
}
protected boolean isDisabled(UIInput component) {
return Boolean.parseBoolean(String.valueOf(component.getAttributes().get("disabled")));
}
protected boolean isReadOnly(UIInput component) {
return Boolean.parseBoolean(String.valueOf(component.getAttributes().get("readonly")));
}
protected boolean shouldDecode(UIInput component) {
return !isDisabled(component) && !isReadOnly(component);
}
/**
* Adds "aria-required" if the component is required.
*
* @param context the {@link FacesContext}
* @param component the {@link UIInput} component to add attributes for
* @throws IOException if any error occurs writing the response
*/
protected void renderARIARequired(FacesContext context, UIInput component) throws IOException {
if (component.isRequired()) {
ResponseWriter writer = context.getResponseWriter();
writer.writeAttribute(HTML.ARIA_REQUIRED, "true", null);
}
}
/**
* Adds "aria-invalid" if the component is invalid.
*
* @param context the {@link FacesContext}
* @param component the {@link UIInput} component to add attributes for
* @throws IOException if any error occurs writing the response
*/
protected void renderARIAInvalid(FacesContext context, UIInput component) throws IOException {
if (!component.isValid()) {
ResponseWriter writer = context.getResponseWriter();
writer.writeAttribute(HTML.ARIA_INVALID, "true", null);
}
}
/**
* Adds the following accessibility attributes to an HTML DOM element.
*
* "aria-required" if the component is required
* "aria-invalid" if the component is invalid
* "aria-labelledby" if the component has a labelledby attribute
* "disabled" and "aria-disabled" if the component is disabled
* "readonly" and "aria-readonly" if the component is readonly
*
* @param context the {@link FacesContext}
* @param component the {@link UIInput} component to add attributes for
* @throws IOException if any error occurs writing the response
*/
protected void renderAccessibilityAttributes(FacesContext context, UIInput component) throws IOException {
renderAccessibilityAttributes(context, component, isDisabled(component), isReadOnly(component));
}
/**
* Inputs of type="hidden" according to WCAG accessibility criterion 4.1.1 should not ever use
* readonly or aria-readonly attributes.
*
* "aria-required" if the component is required
* "aria-invalid" if the component is invalid
* "aria-labelledby" if the component has a labelledby attribute
* "disabled" and "aria-disabled" if the component is disabled
*
*
* @param context the {@link FacesContext}
* @param component the {@link UIInput} component to add attributes for
* @throws IOException if any error occurs writing the response
*/
protected void renderAccessibilityAttributesHidden(FacesContext context, UIInput component) throws IOException {
renderAccessibilityAttributes(context, component, isDisabled(component), false);
}
protected void renderAccessibilityAttributes(FacesContext context, UIInput component, boolean disabled, boolean readonly)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
renderARIARequired(context, component);
renderARIAInvalid(context, component);
if (component instanceof InputHolder) {
InputHolder inputHolder = ((InputHolder) component);
String labelledBy = inputHolder.getLabelledBy();
if (LangUtils.isNotBlank(labelledBy)) {
writer.writeAttribute(HTML.ARIA_LABELLEDBY, labelledBy, null);
}
}
if (disabled) {
writer.writeAttribute("disabled", "disabled", null);
}
if (readonly) {
writer.writeAttribute("readonly", "readonly", null);
}
}
/**
* Adds ARIA attributes if the component is "role=combobox".
*
* @param context the {@link FacesContext}
* @param component the {@link UIInput} component to add attributes for
* @throws IOException if any error occurs writing the response
* @see Combo Box
*/
protected void renderARIACombobox(FacesContext context, UIInput component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.writeAttribute(HTML.ARIA_ROLE, HTML.ARIA_ROLE_COMBOBOX, null);
writer.writeAttribute(HTML.ARIA_HASPOPUP, "listbox", null);
writer.writeAttribute(HTML.ARIA_EXPANDED, "false", null);
}
/**
* Creates a styleClass for the component which consists of:
* 1) default style class
* 2) Error State
* 3) Disabled State
* 4) user style class
*
* @param component the {@link UIInput} component to construct styleClass for
* @param defaultStyleClass the default style for the component if any
* @return the properly constructed style class string
*/
protected String createStyleClass(UIInput component, String defaultStyleClass) {
return createStyleClass(component, "styleClass", defaultStyleClass);
}
/**
* Creates a styleClass for the component which consists of:
* 1) default style class
* 2) Error State
* 3) Disabled State
* 4) user style class
*
* @param component the {@link UIInput} component to construct styleClass for
* @param styleClassProperty eg "styleClass" or "inputStyleClass"
* @param defaultStyleClass the default style for the component if any
* @return the properly constructed style class string
*/
protected String createStyleClass(UIInput component, String styleClassProperty, String defaultStyleClass) {
StringBuilder sb = SharedStringBuilder.get(SB_STYLECLASS, 128);
if (LangUtils.isNotBlank(defaultStyleClass)) {
sb.append(defaultStyleClass);
}
if (!component.isValid()) {
sb.append(" ui-state-error");
}
if (isDisabled(component)) {
sb.append(" ui-state-disabled");
}
if (LangUtils.isNotBlank(styleClassProperty)) {
String styleClass = Objects.toString(component.getAttributes().get(styleClassProperty), Constants.EMPTY_STRING);
if (LangUtils.isNotBlank(styleClass)) {
sb.append(" ").append(styleClass);
}
}
return sb.toString();
}
}
