org.apache.myfaces.custom.schedule.AbstractScheduleRenderer Maven / Gradle / Ivy
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* 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.custom.schedule;
import org.apache.myfaces.custom.schedule.model.ScheduleEntry;
import org.apache.myfaces.custom.schedule.util.ScheduleEntryComparator;
import org.apache.myfaces.custom.schedule.util.ScheduleUtil;
import org.apache.myfaces.renderkit.html.util.AddResource;
import org.apache.myfaces.renderkit.html.util.AddResourceFactory;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.el.ValueBinding;
import javax.faces.event.ActionEvent;
import javax.faces.render.Renderer;
import java.io.IOException;
import java.io.Serializable;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.Map;
/**
*
* Abstract superclass for all renderer of the UISchedule component
*
* @since 1.1.7
* @author Jurgen Lust (latest modification by $Author: mkienenb $)
* @author Bruno Aranda (adaptation of Jurgen's code to myfaces)
* @version $Revision: 389938 $
*/
public abstract class AbstractScheduleRenderer extends Renderer implements
Serializable
{
//~ Static fields/initializers ---------------------------------------------
protected static final ScheduleEntryComparator comparator = new ScheduleEntryComparator();
protected static final String LAST_CLICKED_DATE = "_last_clicked_date";
protected static final String LAST_CLICKED_Y = "_last_clicked_y";
private static final String CSS_RESOURCE = "css/schedule.css";
public static final String DEFAULT_THEME = "default";
public static final String OUTLOOK_THEME = "outlookxp";
public static final String EVOLUTION_THEME = "evolution";
//~ Methods ----------------------------------------------------------------
/**
* @see javax.faces.render.Renderer#decode(javax.faces.context.FacesContext,
* javax.faces.component.UIComponent)
*/
public void decode(FacesContext context, UIComponent component)
{
HtmlSchedule schedule = (HtmlSchedule) component;
boolean queueAction = false;
if (ScheduleUtil.canModifyValue(component))
{
Map parameters = context.getExternalContext()
.getRequestParameterMap();
String selectedEntryId = (String) parameters.get((String) schedule
.getClientId(context));
String lastClickedDateId = (String) parameters
.get((String) schedule.getClientId(context)
+ LAST_CLICKED_DATE);
String lastClickedY = (String) parameters.get((String) schedule
.getClientId(context)
+ LAST_CLICKED_Y);
ScheduleMouseEvent mouseEvent = null;
if ((selectedEntryId != null) && (selectedEntryId.length() > 0))
{
ScheduleEntry entry = schedule.findEntry(selectedEntryId);
schedule.setSubmittedEntry(entry);
mouseEvent = new ScheduleMouseEvent(schedule,
ScheduleMouseEvent.SCHEDULE_ENTRY_CLICKED);
queueAction = true;
}
if (schedule.isSubmitOnClick())
{
schedule.resetMouseEvents();
if ((lastClickedY != null) && (lastClickedY.length() > 0))
{
//the body of the schedule was clicked
schedule
.setLastClickedDateAndTime(determineLastClickedDate(
schedule, lastClickedDateId, lastClickedY));
mouseEvent = new ScheduleMouseEvent(schedule,
ScheduleMouseEvent.SCHEDULE_BODY_CLICKED);
queueAction = true;
}
else if ((lastClickedDateId != null)
&& (lastClickedDateId.length() > 0))
{
//the header of the schedule was clicked
schedule
.setLastClickedDateAndTime(determineLastClickedDate(
schedule, lastClickedDateId, "0"));
mouseEvent = new ScheduleMouseEvent(schedule,
ScheduleMouseEvent.SCHEDULE_HEADER_CLICKED);
queueAction = true;
}
else if (mouseEvent == null)
{
//the form was posted without mouse events on the schedule
mouseEvent = new ScheduleMouseEvent(schedule,
ScheduleMouseEvent.SCHEDULE_NOTHING_CLICKED);
}
}
if (mouseEvent != null)
schedule.queueEvent(mouseEvent);
}
if (queueAction)
{
schedule.queueEvent(new ActionEvent(schedule));
}
}
/**
* @see javax.faces.render.Renderer#encodeBegin(javax.faces.context.FacesContext,
* javax.faces.component.UIComponent)
*/
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException
{
if (!component.isRendered())
{
return;
}
HtmlSchedule schedule = (HtmlSchedule) component;
ResponseWriter writer = context.getResponseWriter();
//add needed CSS and Javascript files to the header
AddResource addResource = AddResourceFactory.getInstance(context);
String theme = schedule.getTheme();
//The default css file is only loaded if the theme is one of the provided
//themes.
if (DEFAULT_THEME.equals(theme) || OUTLOOK_THEME.equals(theme)
|| EVOLUTION_THEME.equals(theme))
{
addResource.addStyleSheet(context, AddResource.HEADER_BEGIN,
HtmlSchedule.class, CSS_RESOURCE);
}
addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN,
HtmlSchedule.class, "javascript/schedule.js");
if (schedule.isTooltip())
{
addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN,
HtmlSchedule.class, "javascript/alphaAPI.js");
addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN,
HtmlSchedule.class, "javascript/domLib.js");
addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN,
HtmlSchedule.class, "javascript/domTT.js");
addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN,
HtmlSchedule.class, "javascript/fadomatic.js");
}
//hidden input field containing the id of the selected entry
writer.startElement(HTML.INPUT_ELEM, schedule);
writer.writeAttribute(HTML.TYPE_ATTR, "hidden", null);
writer.writeAttribute(HTML.NAME_ATTR, schedule.getClientId(context),
"clientId");
writer.endElement(HTML.INPUT_ELEM);
//hidden input field containing the id of the last clicked date
writer.startElement(HTML.INPUT_ELEM, schedule);
writer.writeAttribute(HTML.TYPE_ATTR, "hidden", null);
writer.writeAttribute(HTML.NAME_ATTR, schedule.getClientId(context)
+ "_last_clicked_date", "clicked_date");
writer.endElement(HTML.INPUT_ELEM);
//hidden input field containing the y coordinate of the mouse when
//the schedule was clicked. This will be used to determine the hour
//of day.
writer.startElement(HTML.INPUT_ELEM, schedule);
writer.writeAttribute(HTML.TYPE_ATTR, "hidden", null);
writer.writeAttribute(HTML.NAME_ATTR, schedule.getClientId(context)
+ "_last_clicked_y", "clicked_y");
writer.endElement(HTML.INPUT_ELEM);
}
/**
*
* Get the String representation of a date, taking into account the
* specified date format or the current Locale.
*
*
* @param context the FacesContext
* @param schedule the component
* @param date the date
*
* @return the date string
*/
protected String getDateString(FacesContext context, UIScheduleBase schedule,
Date date)
{
return getDateFormat(context, schedule, schedule.getHeaderDateFormat(), date).format(date);
}
protected static DateFormat getDateFormat(FacesContext context, UIScheduleBase schedule, String pattern)
{
Locale viewLocale = context.getViewRoot().getLocale();
DateFormat format = (pattern != null && pattern.length() > 0) ?
new SimpleDateFormat(pattern, viewLocale) :
DateFormat.getDateInstance(DateFormat.MEDIUM, viewLocale);
format.setTimeZone(schedule.getModel().getTimeZone());
return format;
}
protected static DateFormat getDateFormat(FacesContext context, UIScheduleBase schedule, String pattern, Date date)
{
Locale viewLocale = context.getViewRoot().getLocale();
if (pattern != null && pattern.indexOf("d'th'") >= 0)
{
pattern = pattern.replaceAll("d'th'", "d'" + daySuffix(schedule, date, viewLocale) + "'");
}
return getDateFormat(context, schedule, pattern);
}
private static String daySuffix(UIScheduleBase schedule, Date date, Locale locale) {
String language = locale.getLanguage();
Calendar calendar = ScheduleUtil.getCalendarInstance(date, schedule.getModel().getTimeZone());
int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
if (Locale.ENGLISH.getLanguage().equals(language))
{
switch(dayOfMonth) {
case 1:
case 21:
case 31:
return "st";
case 2:
case 22:
return "nd";
case 3:
case 23:
return "rd";
default:
return "th";
}
}
else if (Locale.GERMAN.getLanguage().equals(language))
{
return ".";
}
else
{
return "";
}
}
/**
*
* Allow the developer to specify custom CSS classnames for the schedule
* component.
*
* @param component the component
* @param className the default CSS classname
* @return the custom classname
*/
protected String getStyleClass(UIComponent component, String className)
{
//first check if the styleClass property is a value binding expression
ValueBinding binding = component.getValueBinding(className);
if (binding != null)
{
String value = (String) binding.getValue(FacesContext
.getCurrentInstance());
if (value != null)
{
return value;
}
}
//it's not a value binding expression, so check for the string value
//in the attributes
Map attributes = component.getAttributes();
String returnValue = (String) attributes.get(className + "Class");
return returnValue == null ? className : returnValue;
}
/**
* The user of the Schedule component can customize the look and feel
* by specifying a custom implementation of the ScheduleEntryRenderer.
* This method gets an instance of the specified class, or if none
* was specified, takes the default.
*
* @param component the Schedule component
* @return a ScheduleEntryRenderer instance
*/
protected ScheduleEntryRenderer getEntryRenderer(HtmlSchedule schedule)
{
Object entryRenderer = schedule.getEntryRenderer();
if (entryRenderer instanceof ScheduleEntryRenderer)
{
return (ScheduleEntryRenderer) entryRenderer;
} else {
return new DefaultScheduleEntryRenderer();
}
}
/**
* @return The default height, in pixels, of one row in the schedule grid
*/
protected abstract int getDefaultRowHeight();
/**
* @param schedule
* The schedule
*
* @return The row height, in pixels
*/
protected abstract int getRowHeight(UIScheduleBase schedule);
/**
* Determine the last clicked date
* @param schedule the schedule component
* @param dateId the string identifying the date
* @param yPos the y coordinate of the mouse
* @return the clicked date
*/
protected abstract Date determineLastClickedDate(HtmlSchedule schedule,
String dateId, String yPos);
/**
* @see javax.faces.render.Renderer#getRendersChildren()
*/
public boolean getRendersChildren()
{
return true;
}
protected Calendar getCalendarInstance(UIScheduleBase schedule, Date date)
{
return ScheduleUtil.getCalendarInstance(date, schedule.getModel().getTimeZone());
}
}
//The End
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