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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.
/**
* 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.calendar;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import javax.el.ValueExpression;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import org.primefaces.context.RequestContext;
import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.HTML;
import org.primefaces.util.MessageFactory;
import org.primefaces.util.WidgetBuilder;
public class CalendarRenderer extends InputRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
Calendar calendar = (Calendar) component;
if (calendar.isDisabled() || calendar.isReadonly()) {
return;
}
String param = calendar.getClientId(context) + "_input";
String submittedValue = context.getExternalContext().getRequestParameterMap().get(param);
if (submittedValue != null) {
calendar.setSubmittedValue(submittedValue);
}
decodeBehaviors(context, calendar);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Calendar calendar = (Calendar) component;
String markupValue = CalendarUtils.getValueAsString(context, calendar);
String widgetValue = calendar.isTimeOnly() ? CalendarUtils.getTimeOnlyValueAsString(context, calendar) : markupValue;
encodeMarkup(context, calendar, markupValue);
encodeScript(context, calendar, widgetValue);
}
protected void encodeMarkup(FacesContext context, Calendar calendar, String value) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = calendar.getClientId(context);
String styleClass = calendar.getStyleClass();
styleClass = (styleClass == null) ? Calendar.CONTAINER_CLASS : Calendar.CONTAINER_CLASS + " " + styleClass;
String inputId = clientId + "_input";
boolean popup = calendar.isPopup();
writer.startElement("span", calendar);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, null);
if (calendar.getStyle() != null) {
writer.writeAttribute("style", calendar.getStyle(), null);
}
//inline container
if (!popup) {
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_inline", null);
writer.endElement("div");
}
//input
encodeInput(context, calendar, inputId, value, popup);
writer.endElement("span");
}
protected void encodeInput(FacesContext context, Calendar calendar, String id, String value, boolean popup) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String type = popup ? calendar.getType() : "hidden";
String labelledBy = calendar.getLabelledBy();
String inputStyle = calendar.getInputStyle();
String inputStyleClass = calendar.getInputStyleClass();
writer.startElement("input", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", id, null);
writer.writeAttribute("type", type, null);
if (calendar.isRequired()) {
writer.writeAttribute("aria-required", "true", null);
}
if (!isValueBlank(value)) {
writer.writeAttribute("value", value, null);
}
if (popup) {
inputStyleClass = (inputStyleClass == null) ? Calendar.INPUT_STYLE_CLASS
: Calendar.INPUT_STYLE_CLASS + " " + inputStyleClass;
if (calendar.isDisabled()) {
inputStyleClass = inputStyleClass + " ui-state-disabled";
}
if (!calendar.isValid()) {
inputStyleClass = inputStyleClass + " ui-state-error";
}
writer.writeAttribute("class", inputStyleClass, null);
if (inputStyle != null) {
writer.writeAttribute("style", inputStyle, null);
}
if (calendar.isReadonly() || calendar.isReadonlyInput()) {
writer.writeAttribute("readonly", "readonly", null);
}
if (calendar.isDisabled()) {
writer.writeAttribute("disabled", "disabled", null);
}
renderPassThruAttributes(context, calendar, HTML.INPUT_TEXT_ATTRS_WITHOUT_EVENTS);
renderDomEvents(context, calendar, HTML.INPUT_TEXT_EVENTS);
}
if (labelledBy != null) {
writer.writeAttribute("aria-labelledby", labelledBy, null);
}
if (RequestContext.getCurrentInstance(context).getApplicationContext().getConfig().isClientSideValidationEnabled()) {
renderValidationMetadata(context, calendar);
}
writer.endElement("input");
}
protected void encodeScript(FacesContext context, Calendar calendar, String value) throws IOException {
String clientId = calendar.getClientId(context);
Locale locale = calendar.calculateLocale(context);
String pattern = calendar.isTimeOnly() ? calendar.calculateTimeOnlyPattern() : calendar.calculatePattern();
String mask = calendar.getMask();
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("Calendar", calendar.resolveWidgetVar(), clientId);
wb.attr("popup", calendar.isPopup())
.attr("locale", locale.toString())
.attr("dateFormat", CalendarUtils.convertPattern(pattern));
//default date
Object pagedate = calendar.getPagedate();
String defaultDate = null;
if (calendar.isConversionFailed()) {
defaultDate = CalendarUtils.getValueAsString(context, calendar, new Date());
}
else if (!isValueBlank(value)) {
defaultDate = value;
}
else if (pagedate != null) {
defaultDate = CalendarUtils.getValueAsString(context, calendar, pagedate);
}
wb.attr("defaultDate", defaultDate, null)
.attr("numberOfMonths", calendar.getPages(), 1)
.attr("minDate", CalendarUtils.getValueAsString(context, calendar, calendar.getMindate()), null)
.attr("maxDate", CalendarUtils.getValueAsString(context, calendar, calendar.getMaxdate()), null)
.attr("showButtonPanel", calendar.isShowButtonPanel(), false)
.attr("showTodayButton", calendar.isShowTodayButton(), true)
.attr("showWeek", calendar.isShowWeek(), false)
.attr("disabledWeekends", calendar.isDisabledWeekends(), false)
.attr("disabled", calendar.isDisabled(), false)
.attr("yearRange", calendar.getYearRange(), null)
.attr("focusOnSelect", calendar.isFocusOnSelect(), false);
if (calendar.isNavigator()) {
wb.attr("changeMonth", true).attr("changeYear", true);
}
if (calendar.getEffect() != null) {
wb.attr("showAnim", calendar.getEffect()).attr("duration", calendar.getEffectDuration());
}
String beforeShowDay = calendar.getBeforeShowDay();
if (beforeShowDay != null) {
wb.nativeAttr("preShowDay", beforeShowDay);
}
String beforeShow = calendar.getBeforeShow();
if (beforeShow != null) {
wb.nativeAttr("preShow", beforeShow);
}
String showOn = calendar.getShowOn();
if (!showOn.equalsIgnoreCase("focus")) {
wb.attr("showOn", showOn).attr("buttonTabindex", calendar.getButtonTabindex());
}
if (calendar.isShowOtherMonths()) {
wb.attr("showOtherMonths", true).attr("selectOtherMonths", calendar.isSelectOtherMonths());
}
if (calendar.hasTime()) {
String timeControlType = calendar.getTimeControlType();
wb.attr("timeOnly", calendar.isTimeOnly())
.attr("stepHour", calendar.getStepHour())
.attr("stepMinute", calendar.getStepMinute())
.attr("stepSecond", calendar.getStepSecond())
.attr("hourMin", calendar.getMinHour())
.attr("hourMax", calendar.getMaxHour())
.attr("minuteMin", calendar.getMinMinute())
.attr("minuteMax", calendar.getMaxMinute())
.attr("secondMin", calendar.getMinSecond())
.attr("secondMax", calendar.getMaxSecond())
.attr("timeInput", calendar.isTimeInput())
.attr("controlType", timeControlType, null)
.attr("showHour", calendar.getShowHour(), null)
.attr("showMinute", calendar.getShowMinute(), null)
.attr("showSecond", calendar.getShowSecond(), null)
.attr("showMillisec", calendar.getShowMillisec(), null)
.attr("oneLine", calendar.isOneLine());
String timeControlObject = calendar.getTimeControlObject();
if (timeControlObject != null && timeControlType.equalsIgnoreCase("custom")) {
wb.nativeAttr("timeControlObject", timeControlObject);
}
}
if (mask != null && !mask.equals("false")) {
String patternTemplate = calendar.getPattern() == null ? pattern : calendar.getPattern();
String maskTemplate = (mask.equals("true")) ? convertPattern(patternTemplate) : mask;
wb.attr("mask", maskTemplate).attr("maskSlotChar", calendar.getMaskSlotChar(), null).attr("maskAutoClear", calendar.isMaskAutoClear(), true);
}
encodeClientBehaviors(context, calendar);
wb.finish();
}
public String convertPattern(String patternTemplate) {
String pattern = patternTemplate.replaceAll("MMM", "###");
int patternLen = pattern.length();
int countM = patternLen - pattern.replaceAll("M","").length();
int countD = patternLen - pattern.replaceAll("d","").length();
if (countM == 1) {
pattern = pattern.replaceAll("M", "mm");
}
if (countD == 1) {
pattern = pattern.replaceAll("d", "dd");
}
pattern = pattern.replaceAll("[a-zA-Z]", "9");
pattern = pattern.replaceAll("###", "aaa");
return pattern;
}
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object value) throws ConverterException {
Calendar calendar = (Calendar) component;
String submittedValue = (String) value;
SimpleDateFormat format = null;
if (isValueBlank(submittedValue)) {
return null;
}
//Delegate to user supplied converter if defined
try {
Converter converter = calendar.getConverter();
if (converter != null) {
return converter.getAsObject(context, calendar, submittedValue);
}
}
catch (ConverterException e) {
calendar.setConversionFailed(true);
throw e;
}
//Delegate to global defined converter (e.g. joda or java8)
try {
ValueExpression ve = calendar.getValueExpression("value");
if (ve != null) {
Class type = ve.getType(context.getELContext());
if (type != null && type != Object.class && type != Date.class) {
Converter converter = context.getApplication().createConverter(type);
if (converter != null) {
return converter.getAsObject(context, calendar, submittedValue);
}
}
}
}
catch (ConverterException e) {
calendar.setConversionFailed(true);
throw e;
}
//Use built-in converter
format = new SimpleDateFormat(calendar.calculatePattern(), calendar.calculateLocale(context));
format.setLenient(false);
format.setTimeZone(calendar.calculateTimeZone());
try {
return format.parse(submittedValue);
}
catch (ParseException e) {
calendar.setConversionFailed(true);
FacesMessage message = null;
Object[] params = new Object[3];
params[0] = submittedValue;
params[1] = format.format(new Date());
params[2] = MessageFactory.getLabel(context, calendar);
if (calendar.isTimeOnly()) {
message = MessageFactory.getMessage("javax.faces.converter.DateTimeConverter.TIME", FacesMessage.SEVERITY_ERROR, params);
}
else if (calendar.hasTime()) {
message = MessageFactory.getMessage("javax.faces.converter.DateTimeConverter.DATETIME", FacesMessage.SEVERITY_ERROR, params);
}
else {
message = MessageFactory.getMessage("javax.faces.converter.DateTimeConverter.DATE", FacesMessage.SEVERITY_ERROR, params);
}
throw new ConverterException(message);
}
}
}