/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.myfaces.tobago.renderkit.html.standard.standard.tag;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.UICalendar;
import org.apache.myfaces.tobago.context.Markup;
import org.apache.myfaces.tobago.context.ResourceManagerUtils;
import org.apache.myfaces.tobago.model.CalendarModel;
import org.apache.myfaces.tobago.model.DateModel;
import org.apache.myfaces.tobago.renderkit.LayoutComponentRendererBase;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.DataAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
public class CalendarRenderer extends LayoutComponentRendererBase {
@Override
public void encodeEnd(final FacesContext facesContext, final UIComponent component) throws IOException {
final UICalendar output = (UICalendar) component;
final String id = output.getClientId(facesContext);
final Locale locale = facesContext.getViewRoot().getLocale();
final Object value = output.getValue();
final Calendar calendar;
if (value instanceof Calendar) {
calendar = (Calendar) value;
} else {
calendar = new GregorianCalendar();
if (value instanceof Date) {
calendar.setTime((Date) value);
}
}
final CalendarModel model = new CalendarModel(calendar);
// rendering
final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.startElement(HtmlElements.DIV, component);
writer.writeIdAttribute(id);
writer.writeClassAttribute(Classes.create(output));
HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);
final Style style = new Style(facesContext, output);
writer.writeStyleAttribute(style);
final String dateInputId = (String) output.getAttributes().get(Attributes.DATE_INPUT_ID);
if (dateInputId != null) {
writer.writeAttribute(DataAttributes.DATE_INPUT_ID, dateInputId, false);
}
writer.writeAttribute(DataAttributes.DAY, Integer.toString(calendar.get(Calendar.YEAR)), false);
writer.writeAttribute(DataAttributes.MONTH, Integer.toString(1 + calendar.get(Calendar.MONTH)), false);
writer.writeAttribute(DataAttributes.YEAR, Integer.toString(calendar.get(Calendar.DAY_OF_MONTH)), false);
writer.writeAttribute(DataAttributes.FIRST_DAY_OF_WEEK, Integer.toString(calendar.getFirstDayOfWeek()), false);
writer.writeAttribute(DataAttributes.MONTH_NAMES, getMonthNames(locale), false);
// begin header
writer.startElement(HtmlElements.DIV, null);
writer.writeClassAttribute(Classes.create(output, "row"));
writer.startElement(HtmlElements.IMG, null);
writer.writeClassAttribute(Classes.create(output, "header"));
writer.writeAttribute(HtmlAttributes.ALT, "", false);
writer.writeAttribute(HtmlAttributes.SRC,
ResourceManagerUtils.getImageWithPath(facesContext, "image/calendarFastPrev.gif"), false);
writer.writeAttribute(DataAttributes.COMMAND, "fastPrev", false);
writer.endElement(HtmlElements.IMG);
writer.startElement(HtmlElements.IMG, null);
writer.writeClassAttribute(Classes.create(output, "header"));
writer.writeAttribute(HtmlAttributes.ALT, "", false);
writer.writeAttribute(HtmlAttributes.SRC,
ResourceManagerUtils.getImageWithPath(facesContext, "image/calendarPrev.gif"), false);
writer.writeAttribute(DataAttributes.COMMAND, "prev", false);
writer.endElement(HtmlElements.IMG);
writer.startElement(HtmlElements.SPAN, null);
writer.writeClassAttribute(Classes.create(output, "header"));
writer.startElement(HtmlElements.SPAN, null);
writer.writeAttribute(DataAttributes.COMMAND, "month", false);
writer.writeText(new SimpleDateFormat("MMMMM", locale).format(calendar.getTime()));
writer.endElement(HtmlElements.SPAN);
writer.writeText(" "); // non breaking space
writer.startElement(HtmlElements.SPAN, null);
writer.writeAttribute(DataAttributes.COMMAND, "year", false);
writer.writeText(new SimpleDateFormat("yyyy", locale).format(calendar.getTime()));
writer.endElement(HtmlElements.SPAN);
writer.endElement(HtmlElements.SPAN);
writer.startElement(HtmlElements.IMG, null);
writer.writeClassAttribute(Classes.create(output, "header"));
writer.writeAttribute(HtmlAttributes.ALT, "", false);
writer.writeAttribute(HtmlAttributes.SRC,
ResourceManagerUtils.getImageWithPath(facesContext, "image/calendarNext.gif"), false);
writer.writeAttribute(DataAttributes.COMMAND, "next", false);
writer.endElement(HtmlElements.IMG);
writer.startElement(HtmlElements.IMG, null);
writer.writeClassAttribute(Classes.create(output, "header"));
writer.writeAttribute(HtmlAttributes.ALT, "", false);
writer.writeAttribute(HtmlAttributes.SRC,
ResourceManagerUtils.getImageWithPath(facesContext, "image/calendarFastNext.gif"), false);
writer.writeAttribute(DataAttributes.COMMAND, "fastNext", false);
writer.endElement(HtmlElements.IMG);
writer.endElement(HtmlElements.DIV);
// end header
// begin weeks
writer.startElement(HtmlElements.DIV, null);
writer.writeClassAttribute(Classes.create(output, "row"));
final SimpleDateFormat dayInWeekFormat = new SimpleDateFormat("E", locale);
for (int dayIt = 0; dayIt < 7; ++dayIt) {
final DateModel date = model.getDate(0, dayIt);
String dayName = dayInWeekFormat.format(date.getCalendar().getTime());
if (dayName != null) {
dayName = dayName.substring(0, 2);
}
writer.startElement(HtmlElements.SPAN, null);
writer.writeClassAttribute(Classes.create(output, "dayOfWeek"));
writer.writeText(dayName);
writer.endElement(HtmlElements.SPAN);
}
writer.endElement(HtmlElements.DIV);
// end weeks
// begin grid
writer.startElement(HtmlElements.DIV, null);
writer.writeClassAttribute(Classes.create(output, "grid"));
for (int week = 0; week < 6; ++week) {
writer.startElement(HtmlElements.DIV, null);
writer.writeClassAttribute(Classes.create(output, "row"));
for (int dayIt = 0; dayIt < 7; ++dayIt) {
final DateModel date = model.getDate(week, dayIt);
final String dayDescription = String.valueOf(date.getDay());
writer.startElement(HtmlElements.SPAN, null);
writer.writeClassAttribute(
Classes.create(output, "day", date.getMonth() == model.getMonth() ? null : Markup.DISABLED));
writer.writeText(dayDescription);
writer.endElement(HtmlElements.SPAN);
}
writer.endElement(HtmlElements.DIV);
}
writer.endElement(HtmlElements.DIV);
// end grid
writer.endElement(HtmlElements.DIV);
}
private String getMonthNames(final Locale locale) {
final SimpleDateFormat dateFormat = new SimpleDateFormat("MMMMM", locale);
final StringBuilder buffer = new StringBuilder(64);
final Calendar calendar = Calendar.getInstance();
calendar.set(2000, Calendar.JANUARY, 1);
for (int month = 0; month < 12; ++month) {
if (month > 0) {
buffer.append(',');
}
buffer.append(dateFormat.format(calendar.getTime()));
calendar.add(java.util.Calendar.MONTH, 1);
}
return buffer.toString();
}
}