/*
* Copyright 2009 Prime Technology.
*
* 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.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.ConverterException;
import org.primefaces.event.DateSelectEvent;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.resource.ResourceUtils;
import org.primefaces.util.ComponentUtils;
public class CalendarRenderer extends CoreRenderer{
public static String DEFAULT_POPUP_ICON = "/primefaces/calendar/calendar_icon.png";
public void decode(FacesContext facesContext, UIComponent component) {
Calendar calendar = (Calendar) component;
String clientId = calendar.getClientId(facesContext);
String submittedValue = facesContext.getExternalContext().getRequestParameterMap().get(clientId + "_input");
calendar.setSubmittedValue(submittedValue);
}
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
Calendar calendar = (Calendar) component;
encodeMarkup(facesContext, calendar);
encodeScript(facesContext, calendar);
}
protected void encodeScript(FacesContext facesContext, Calendar calendar) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = calendar.getClientId(facesContext);
String calendarVar = createUniqueWidgetVar(facesContext, calendar);
String popupVar = null;
boolean isPopup = calendar.isPopup();
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
if(isPopup) {
popupVar = calendarVar + "_popup";
writer.write(popupVar + " = new YAHOO.widget.Overlay('" + clientId + "_popupContainer', {visible: false, context:['" + clientId + "_popupButton','tl','bl']});");
writer.write(popupVar + ".render();\n");
}
if(calendar.getPages() > 1)
writer.write(calendarVar + " = new PrimeFaces.widget.CalendarGroup('" + clientId + "','" + clientId + "_container',");
else
writer.write(calendarVar + " = new PrimeFaces.widget.Calendar('" + clientId + "','" + clientId + "_container',");
encodeConfig(facesContext, calendar, calendarVar);
writer.endElement("script");
}
protected void encodeConfig(FacesContext facesContext, Calendar calendar, String calendarVar) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String valueAsString = CalendarUtils.getValueAsString(facesContext, calendar);
String pagedate = CalendarUtils.getPageDate(calendar);
String maxdate = CalendarUtils.getDateAsString(calendar, calendar.getMaxdate());
String mindate = CalendarUtils.getDateAsString(calendar, calendar.getMindate());
writer.write("{language:'" + calendar.calculateLocale(facesContext).getLanguage() + "'");
if(calendar.getPages() != -1) writer.write(",pages:" + calendar.getPages());
if(pagedate != null) writer.write(",pagedate:'" + pagedate + "'");
if(maxdate != null) writer.write(",maxdate:'" + maxdate + "'");
if(mindate != null) writer.write(",mindate:'" + mindate + "'");
if(calendar.isNavigator()) writer.write(",navigator:true");
if(calendar.getSelection().equals("multiple")) writer.write(",multi_select:true");
if(calendar.isClose()) writer.write(",close:true");
if(calendar.getTitle() != null) writer.write(",title:'" + escapeText(calendar.getTitle()) + "'");
if(!calendar.isShowWeekdays()) writer.write(",show_weekdays:false");
if(calendar.getMonthFormat() != null) writer.write(",locale_months:'" + calendar.getMonthFormat() + "'");
if(calendar.getWeekdayFormat() != null) writer.write(",locale_weekdays:'" + calendar.getWeekdayFormat() + "'");
if(calendar.getStartWeekday() != 0) writer.write(",start_weekday:" + calendar.getStartWeekday());
if(calendar.isShowWeekHeader()) writer.write(",show_week_header:true");
if(calendar.isShowWeekFooter()) writer.write(",show_week_footer:true");
if(calendar.isPopup()) writer.write(",popup:" + calendarVar + "_popup");
String delimiter = CalendarUtils.getPatternDelimeter(calendar);
writer.write(",date_delim:'" + delimiter + "'");
writer.write(",year_pos:" + CalendarUtils.getDateFieldPosition(calendar, delimiter, "y"));
writer.write(",month_pos:" + CalendarUtils.getDateFieldPosition(calendar, delimiter, "M"));
writer.write(",day_pos:" + CalendarUtils.getDateFieldPosition(calendar, delimiter, "d"));
//Ajax selection
if(calendar.getSelectListener() != null) {
writer.write(",hasSelectListener:true");
UIComponent form = ComponentUtils.findParentForm(facesContext, calendar);
if(form == null)
throw new FacesException("Calendar \"" + calendar.getClientId(facesContext) + "\" must be enclosed with a form when using ajax selection.");
writer.write(",formId:'" + form.getClientId(facesContext) + "'");
writer.write(",actionURL:'" + getActionURL(facesContext) + "'");
if(calendar.getOnSelectUpdate() != null)
writer.write(",onselectUpdate:'" + ComponentUtils.findClientIds(facesContext, calendar, calendar.getOnSelectUpdate()) + "'");
}
writer.write("});\n");
if(valueAsString != null) {
writer.write(calendarVar + ".cfg.setProperty('selected', '" + valueAsString + "');\n");
}
}
protected void encodeMarkup(FacesContext facesContext, Calendar calendar) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = calendar.getClientId(facesContext);
writer.startElement("span", calendar);
writer.writeAttribute("id", clientId, null);
if(calendar.getStyle() != null) writer.writeAttribute("style", calendar.getStyle(), null);
if(calendar.getStyleClass() != null) writer.writeAttribute("class", calendar.getStyleClass(), null);
encodeInputField(facesContext, calendar, clientId);
if(calendar.isPopup()) {
encodePopupButtonMarkup(facesContext,calendar);
encodePopupContainer(facesContext, clientId);
}
else {
encodeCalendarContainer(facesContext, clientId);
}
writer.endElement("span");
}
protected void encodePopupContainer(FacesContext facesContext, String clientId) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_popupContainer", null);
encodeCalendarContainer(facesContext, clientId);
writer.endElement("div");
}
protected void encodeCalendarContainer(FacesContext facesContext, String clientId) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_container" , null);
writer.endElement("div");
}
protected void encodeInputField(FacesContext facesContext, Calendar calendar, String clientId) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
String valueAsString = CalendarUtils.getValueAsString(facesContext, calendar);
String inputId = clientId + "_input";
writer.startElement("input", null);
writer.writeAttribute("id", inputId, null);
writer.writeAttribute("name", inputId, null);
if(calendar.isPopup()) {
writer.writeAttribute("type", "text", null);
String style = "vertical-align:middle;";
if(calendar.getInputStyle() != null)
style = style + calendar.getInputStyle();
writer.writeAttribute("style", style, null);
if(calendar.getInputStyleClass() != null) writer.writeAttribute("class", calendar.getInputStyleClass(), null);
}
else
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("value", valueAsString, null);
writer.writeAttribute("readonly", calendar.isReadOnlyInputText(), null);
writer.endElement("input");
}
protected void encodePopupButtonMarkup(FacesContext facesContext, Calendar calendar) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = calendar.getClientId(facesContext);
String iconId = clientId + "_popupButton";
String iconSrc = calendar.getPopupIcon() != null ? getResourceURL(facesContext, calendar.getPopupIcon()) : ResourceUtils.getResourceURL(facesContext, DEFAULT_POPUP_ICON);
writer.startElement("img", null);
writer.writeAttribute("id", iconId, null);
writer.writeAttribute("name", iconId, null);
writer.writeAttribute("src", iconSrc , null);
writer.writeAttribute("style", "vertical-align:middle;cursor:pointer;margin:0;padding:0;", null);
writer.endElement("img");
}
public Object getConvertedValue(FacesContext facesContext, UIComponent component, Object value) throws ConverterException {
Calendar calendar = (Calendar) component;
String submittedValue = (String) value;
//Delegate to user supplied converter if defined
if(calendar.getConverter() != null) {
return calendar.getConverter().getAsObject(facesContext, calendar, submittedValue);
}
if(isValueBlank(submittedValue))
return null;
Locale locale = calendar.calculateLocale(facesContext);
SimpleDateFormat format = new SimpleDateFormat(calendar.getPattern(), locale);
format.setTimeZone(calendar.calculateTimeZone());
try {
if(calendar.getSelection().equalsIgnoreCase("single")) {
Date convertedValue;
convertedValue = format.parse(submittedValue);
calendar.queueEvent(new DateSelectEvent(calendar, convertedValue)); //Queue a date select event for any listeners
return convertedValue;
}
else if(calendar.getSelection().equalsIgnoreCase("multiple")) {
String[] datesAsString = (submittedValue).split(",");
Date[] dates = new Date[datesAsString.length];
for (int i = 0; i < datesAsString.length; i++) {
dates[i] = format.parse(datesAsString[i]);
}
return dates;
} else
throw new IllegalArgumentException("Selection mode: " + calendar.getSelection() + " is not valid, use either 'single' or 'multiple'");
} catch (ParseException e) {
throw new ConverterException(e);
}
}
}