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Class YAHOO.widget.Calendar_Core

Object
   |
   +--YAHOO.widget.Calendar_Core
Direct Known Subclasses:
YAHOO.widget.Calendar2up_Cal, YAHOO.widget.Calendar
class YAHOO.widget.Calendar_Core
Quick Links:  Field Summary | Constructor Summary | Method Summary | Method Details

Field Summary [top]

Date _pageDate
A Date object representing the month/year that the calendar is initially set to 
Array _renderStack
A copy of the initial render functions created before rendering. 
Array _selectedDates
The private list of initially selected dates. 
Array[](Integer[]) cellDates
The collection of calendar cell dates that is parallel to the cells collection. 
HTMLTableCellElement[] cells
The collection of calendar table cells 
Object Config
The configuration object used to set up the calendars various locale and style options. 
HTMLTableCellElement headerCell
The HTML cell element that represents the main header cell TH used in the calendar table 
String id
The id that uniquely identifies this calendar. 
Date maxDate
A Date object representing the maximum selectable date 
Date minDate
A Date object representing the minimum selectable date 
HTMLElement oDomContainer
The DOM element reference that points to this calendar's container element. 
Date pageDate
A Date object representing the month/year that the calendar is currently set to 
CalendarGroup parent
The parent CalendarGroup, only to be set explicitly by the parent group 
Array[] renderStack
The list of render functions, along with required parameters, used to render cells. 
Array[](Integer[]) selectedDates
The list of currently selected dates. 
Boolean shellRendered
A boolean indicating whether the shell of the calendar has already been rendered to the page 
HTMLTableElement table
The HTML table element that represents this calendar 
Date today
A Date object representing today's date. 
HTMLTableCellElement[] weekFooterCells
The collection of calendar week footer cells 
HTMLTableCellElement[] weekHeaderCells
The collection of calendar week header cells 
String DATE
Type constant used for renderers to represent an individual date (M/D/Y) 
Integer DISPLAY_DAYS
Constant that represents the total number of date cells that are displayed in a given month including 
String MONTH
Type constant used for renderers to represent a month across any year 
String MONTH_DAY
Type constant used for renderers to represent an individual date across any year (M/D) 
String RANGE
Type constant used for renderers to represent a range of individual dates (M/D/Y-M/D/Y) 
String STOP_RENDER
Constant used for halting the execution of the remainder of the render stack 
String WEEKDAY
Type constant used for renderers to represent a weekday 

Constructor Summary [top]

YAHOO.widget.Calendar_Core
 

Method Summary [top]

void _addRenderer
The private method used for adding cell renderers to the local render stack. 
Boolean _fieldArraysAreEqual
Converts a date field array [yyyy,mm,dd] to a JavaScript Date object. 
Integer _indexOfSelectedFieldArray
Gets the index of a date field array [yyyy,mm,dd] in the current list of selected dates. 
Array[](Integer[]) _parseDate
Converts a date string to a date field array 
Array[](Integer[]) _parseDates
Converts a multi or single-date string to an array of date field arrays 
Array[](Integer[]) _parseRange
Converts a date range to the full list of included dates 
Date _toDate
Converts a date field array [yyyy,mm,dd] to a JavaScript Date object. 
Array[](Integer[]) _toFieldArray
Converts a date (either a JavaScript Date object, or a date string) to the internal data structure used to represent dates: [[yyyy,mm,dd],[yyyy,mm,dd]]. 
void _unload
 
void addMonthRenderer
Adds a month to the render stack. 
void addMonths
Adds the designated number of months to the current calendar month, and sets the current calendar page date to the new month. 
void addRenderer
Adds a renderer to the render stack. 
void addWeekdayRenderer
Adds a weekday to the render stack. 
void addYears
Adds the designated number of years to the current calendar, and sets the current calendar page date to the new month. 
String buildDayLabel
Builds the date digit that will be displayed in calendar cells 
String buildMonthLabel
Builds the date label that will be displayed in the calendar header or footer, depending on configuration. 
void buildShell
Builds the calendar table shell that will be filled in with dates and formatting. 
void buildShellBody
Builds the calendar shell body (6 weeks by 7 days) 
void buildShellFooter
Builds the calendar shell footer. 
void buildShellHeader
Builds the calendar shell header by inserting a THEAD into the local calendar table. 
void clear
Clears the selected dates in the current calendar widget and sets the calendar to the current month and year. 
void clearAllBodyCellStyles
Removes all styles from all body cells in the current calendar table. 
void clearElement
Clears the inner HTML, CSS class and style information from the specified cell. 
void customConfig
This method is called when subclasses need to override configuration variables or create new ones. 
Date[] deselect
Deselects a date or a collection of dates on the current calendar. 
Date[] deselectAll
Deselects all dates on the current calendar. 
Date[] deselectCell
Deselects a date on the current calendar by referencing the index of the cell that should be deselected. 
Date[] getSelectedDates
Gets the list of currently selected dates from the calendar. 
void init
Initializes the calendar widget. 
Boolean isDateOOM
Determines whether a given date is OOM (out of month). 
void nextMonth
Navigates to the next month page in the calendar widget. 
void nextYear
Navigates to the next year in the currently selected month in the calendar widget. 
void onBeforeDeselect
Event executed before a date is deselected in the calendar widget. 
void onBeforeSelect
Event executed before a date is selected in the calendar widget. 
void onChangePage
Event executed when the user navigates to a different calendar page. 
void onClear
Event executed when the calendar widget is completely cleared to the current month with no selections. 
void onDeselect
Event executed when a date is deselected in the calendar widget. 
void onRender
Event executed when the calendar widget is rendered. 
void onReset
Event executed when the calendar widget is reset to its original state. 
void onSelect
Event executed when a date is selected in the calendar widget. 
void previousMonth
Navigates to the previous month page in the calendar widget. 
void previousYear
Navigates to the previous year in the currently selected month in the calendar widget. 
void render
Renders the calendar after it has been configured. 
void renderBody
Appends the calendar body. 
String renderBodyCellRestricted
Renders the current calendar cell as a non-selectable "black-out" date using the default restricted style. 
String renderCellDefault
Renders a single standard calendar cell in the calendar widget table. 
String renderCellNotThisMonth
Applies the default style used for rendering dates that are not a part of the current month (preceding or trailing the cells for the current month) 
void renderCellStyleHighlight1
 
void renderCellStyleHighlight2
 
void renderCellStyleHighlight3
 
void renderCellStyleHighlight4
 
String renderCellStyleSelected
Applies the default style used for rendering selected dates to the current calendar cell 
String renderCellStyleToday
Applies the default style used for rendering today's date to the current calendar cell 
void renderFooter
Appends the contents of the calendar widget footer into the shell. 
void renderHeader
Appends the header contents into the widget header. 
Object renderOutOfBoundsDate
BEGIN BUILT-IN TABLE CELL RENDERERS 
void renderRowFooter
Renders the row footer for a week. 
void renderRowHeader
Renders the row header for a week. 
void renderShell
Outputs the calendar shell to the DOM, inserting it into the placeholder element. 
void reset
Resets the calendar widget to the originally selected month and year, and sets the calendar to the initial selection(s). 
void resetRenderers
Resets the render stack of the current calendar to its original pre-render value. 
Date[] select
Selects a date or a collection of dates on the current calendar. 
Date[] selectCell
Selects a date on the current calendar by referencing the index of the cell that should be selected. 
void setMonth
Sets the calendar's month explicitly. 
void setupConfig
This method is called to initialize the widget configuration variables, including style, localization, and other display and behavioral options. 
void setYear
Sets the calendar's year explicitly. 
void subtractMonths
Subtracts the designated number of months from the current calendar month, and sets the current calendar page date to the new month. 
void subtractYears
Subtcats the designated number of years from the current calendar, and sets the current calendar page date to the new month. 
Boolean validate
Validates the calendar widget. 
void wireCustomEvents
This function can be extended by subclasses to attach additional DOM events to the calendar. 
void wireDefaultEvents
Wires the local DOM events for the Calendar, including cell selection, hover, and default navigation that is used for moving back and forth between calendar pages. 
Object _getBrowser
END GETTER/SETTER METHODS 
void addCssClass
Adds the specified CSS class to the element passed to this method. 
void prependCssClass
 
void removeCssClass
Removed the specified CSS class from the element passed to this method. 
void setCssClasses
Sets the specified array of CSS classes into the referenced element 

Field Detail [top]

_pageDate

Date   _pageDate
A Date object representing the month/year that the calendar is initially set to

_renderStack

Array   _renderStack
A copy of the initial render functions created before rendering.

_selectedDates

Array   _selectedDates
The private list of initially selected dates.

cellDates

Array[](Integer[])   cellDates
The collection of calendar cell dates that is parallel to the cells collection. The array contains dates field arrays in the format of [YYYY, M, D].

cells

HTMLTableCellElement[]   cells
The collection of calendar table cells

Config

Object   Config
The configuration object used to set up the calendars various locale and style options.

headerCell

HTMLTableCellElement   headerCell
The HTML cell element that represents the main header cell TH used in the calendar table

id

String   id
The id that uniquely identifies this calendar. This id should match the id of the placeholder element on the page.

maxDate

Date   maxDate
A Date object representing the maximum selectable date

minDate

Date   minDate
A Date object representing the minimum selectable date

oDomContainer

HTMLElement   oDomContainer
The DOM element reference that points to this calendar's container element. The calendar will be inserted into this element when the shell is rendered.

pageDate

Date   pageDate
A Date object representing the month/year that the calendar is currently set to

parent

CalendarGroup   parent
The parent CalendarGroup, only to be set explicitly by the parent group

renderStack

Array[]   renderStack
The list of render functions, along with required parameters, used to render cells.

selectedDates

Array[](Integer[])   selectedDates
The list of currently selected dates. The data format for this local collection is an array of date field arrays, e.g: [ [2004,5,25], [2004,5,26] ]

shellRendered

Boolean   shellRendered
A boolean indicating whether the shell of the calendar has already been rendered to the page

table

HTMLTableElement   table
The HTML table element that represents this calendar

today

Date   today
A Date object representing today's date.

weekFooterCells

HTMLTableCellElement[]   weekFooterCells
The collection of calendar week footer cells

weekHeaderCells

HTMLTableCellElement[]   weekHeaderCells
The collection of calendar week header cells

DATE

String   DATE
Type constant used for renderers to represent an individual date (M/D/Y)

DISPLAY_DAYS

Integer   DISPLAY_DAYS
Constant that represents the total number of date cells that are displayed in a given month including

MONTH

String   MONTH
Type constant used for renderers to represent a month across any year

MONTH_DAY

String   MONTH_DAY
Type constant used for renderers to represent an individual date across any year (M/D)

RANGE

String   RANGE
Type constant used for renderers to represent a range of individual dates (M/D/Y-M/D/Y)

STOP_RENDER

String   STOP_RENDER
Constant used for halting the execution of the remainder of the render stack

WEEKDAY

String   WEEKDAY
Type constant used for renderers to represent a weekday

Constructor Detail [top]

YAHOO.widget.Calendar_Core

YAHOO.widget.Calendar_Core ()
Parameters:
id - The id of the table element that will represent the calendar widget
containerId - The id of the container element that will contain the calendar table
monthyear - The month/year string used to set the current calendar page
selected - A string of date values formatted using the date parser. The built-in default date format is MM/DD/YYYY. Ranges are defined using MM/DD/YYYY-MM/DD/YYYY. Month/day combinations are defined using MM/DD. Any combination of these can be combined by delimiting the string with commas. Example: "12/24/2005,12/25,1/18/2006-1/21/2006"

Method Detail [top]

_addRenderer

void _addRenderer
The private method used for adding cell renderers to the local render stack. This method is called by other methods that set the renderer type prior to the method call.

_fieldArraysAreEqual

Boolean _fieldArraysAreEqual
Converts a date field array [yyyy,mm,dd] to a JavaScript Date object.
Returns:
The boolean that represents the equality of the two arrays

_indexOfSelectedFieldArray

Integer _indexOfSelectedFieldArray
Gets the index of a date field array [yyyy,mm,dd] in the current list of selected dates.
Returns:
The index of the date field array within the collection of selected dates. -1 will be returned if the date is not found.

_parseDate

Array[](Integer[]) _parseDate
Converts a date string to a date field array
Returns:
A date field array representing the string passed to the method

_parseDates

Array[](Integer[]) _parseDates
Converts a multi or single-date string to an array of date field arrays
Returns:
An array of date field arrays

_parseRange

Array[](Integer[]) _parseRange
Converts a date range to the full list of included dates
Returns:
An array of date field arrays

_toDate

Date _toDate
Converts a date field array [yyyy,mm,dd] to a JavaScript Date object.
Returns:
JavaScript Date object representing the date field array

_toFieldArray

Array[](Integer[]) _toFieldArray
Converts a date (either a JavaScript Date object, or a date string) to the internal data structure used to represent dates: [[yyyy,mm,dd],[yyyy,mm,dd]].
Returns:
Array of date field arrays

_unload

void _unload

addMonthRenderer

void addMonthRenderer
Adds a month to the render stack. The function reference passed to this method will be executed when a date cell matches the month passed to this method.

addMonths

void addMonths
Adds the designated number of months to the current calendar month, and sets the current calendar page date to the new month.

addRenderer

void addRenderer
Adds a renderer to the render stack. The function reference passed to this method will be executed when a date cell matches the conditions specified in the date string for this renderer.

addWeekdayRenderer

void addWeekdayRenderer
Adds a weekday to the render stack. The function reference passed to this method will be executed when a date cell matches the weekday passed to this method.

addYears

void addYears
Adds the designated number of years to the current calendar, and sets the current calendar page date to the new month.

buildDayLabel

String buildDayLabel
Builds the date digit that will be displayed in calendar cells
Returns:
The formatted day label

buildMonthLabel

String buildMonthLabel
Builds the date label that will be displayed in the calendar header or footer, depending on configuration.
Returns:
The formatted calendar month label

buildShell

void buildShell
Builds the calendar table shell that will be filled in with dates and formatting. This method calls buildShellHeader, buildShellBody, and buildShellFooter (in that order) to construct the pieces of the calendar table. The construction of the shell should only happen one time when the calendar is initialized.

buildShellBody

void buildShellBody
Builds the calendar shell body (6 weeks by 7 days)

buildShellFooter

void buildShellFooter
Builds the calendar shell footer. In the default implementation, there is no footer.

buildShellHeader

void buildShellHeader
Builds the calendar shell header by inserting a THEAD into the local calendar table.

clear

void clear
Clears the selected dates in the current calendar widget and sets the calendar to the current month and year.

clearAllBodyCellStyles

void clearAllBodyCellStyles
Removes all styles from all body cells in the current calendar table.

clearElement

void clearElement
Clears the inner HTML, CSS class and style information from the specified cell.

customConfig

void customConfig
This method is called when subclasses need to override configuration variables or create new ones. Values can be explicitly set as follows:
this.Config.Style.CSS_CELL = "newcalcell"; this.Config.Locale.MONTHS_SHORT = ["Jan", "Fév", "Mars", "Avr", "Mai", "Juin", "Juil", "Août", "Sept", "Oct", "Nov", "Déc"];

deselect

Date[] deselect
Deselects a date or a collection of dates on the current calendar. This method, by default, does not call the render method explicitly. Once deselection has completed, render must be called for the changes to be reflected visually.
Returns:
Array of JavaScript Date objects representing all individual dates that are currently selected.

deselectAll

Date[] deselectAll
Deselects all dates on the current calendar.
Returns:
Array of JavaScript Date objects representing all individual dates that are currently selected. Assuming that this function executes properly, the return value should be an empty array. However, the empty array is returned for the sake of being able to check the selection status of the calendar.

deselectCell

Date[] deselectCell
Deselects a date on the current calendar by referencing the index of the cell that should be deselected. This method is used to easily deselect a single cell (usually with a mouse click) without having to do a full render. The selected style is removed from the cell directly.
Returns:
Array of JavaScript Date objects representing all individual dates that are currently selected.

getSelectedDates

Date[] getSelectedDates
Gets the list of currently selected dates from the calendar.
Returns:
An array of currently selected JavaScript Date objects.

init

void init
Initializes the calendar widget. This method must be called by all subclass constructors.

isDateOOM

Boolean isDateOOM
Determines whether a given date is OOM (out of month).
Returns:
true if the date is OOM

nextMonth

void nextMonth
Navigates to the next month page in the calendar widget.

nextYear

void nextYear
Navigates to the next year in the currently selected month in the calendar widget.

onBeforeDeselect

void onBeforeDeselect
Event executed before a date is deselected in the calendar widget.

onBeforeSelect

void onBeforeSelect
Event executed before a date is selected in the calendar widget.

onChangePage

void onChangePage
Event executed when the user navigates to a different calendar page.

onClear

void onClear
Event executed when the calendar widget is completely cleared to the current month with no selections.

onDeselect

void onDeselect
Event executed when a date is deselected in the calendar widget.

onRender

void onRender
Event executed when the calendar widget is rendered.

onReset

void onReset
Event executed when the calendar widget is reset to its original state.

onSelect

void onSelect
Event executed when a date is selected in the calendar widget.

previousMonth

void previousMonth
Navigates to the previous month page in the calendar widget.

previousYear

void previousYear
Navigates to the previous year in the currently selected month in the calendar widget.

render

void render
Renders the calendar after it has been configured. The render() method has a specific call chain that will execute when the method is called: renderHeader, renderBody, renderFooter. Refer to the documentation for those methods for information on individual render tasks.

renderBody

void renderBody
Appends the calendar body. The default implementation calculates the number of OOM (out of month) cells that need to be rendered at the start of the month, renders those, and renders all the day cells using the built-in cell rendering methods. While iterating through all of the cells, the calendar checks for renderers in the local render stack that match the date of the current cell, and then applies styles as necessary.

renderBodyCellRestricted

String renderBodyCellRestricted
Renders the current calendar cell as a non-selectable "black-out" date using the default restricted style.
Returns:
YAHOO.widget.Calendar_Core.STOP_RENDER if rendering should stop with this style, null or nothing if rendering should not be terminated

renderCellDefault

String renderCellDefault
Renders a single standard calendar cell in the calendar widget table. All logic for determining how a standard default cell will be rendered is encapsulated in this method, and must be accounted for when extending the widget class.
Returns:
YAHOO.widget.Calendar_Core.STOP_RENDER if rendering should stop with this style, null or nothing if rendering should not be terminated

renderCellNotThisMonth

String renderCellNotThisMonth
Applies the default style used for rendering dates that are not a part of the current month (preceding or trailing the cells for the current month)
Returns:
YAHOO.widget.Calendar_Core.STOP_RENDER if rendering should stop with this style, null or nothing if rendering should not be terminated

renderCellStyleHighlight1

void renderCellStyleHighlight1

renderCellStyleHighlight2

void renderCellStyleHighlight2

renderCellStyleHighlight3

void renderCellStyleHighlight3

renderCellStyleHighlight4

void renderCellStyleHighlight4

renderCellStyleSelected

String renderCellStyleSelected
Applies the default style used for rendering selected dates to the current calendar cell
Returns:
YAHOO.widget.Calendar_Core.STOP_RENDER if rendering should stop with this style, null or nothing if rendering should not be terminated

renderCellStyleToday

String renderCellStyleToday
Applies the default style used for rendering today's date to the current calendar cell
Returns:
YAHOO.widget.Calendar_Core.STOP_RENDER if rendering should stop with this style, null or nothing if rendering should not be terminated

renderFooter

void renderFooter
Appends the contents of the calendar widget footer into the shell. By default, the calendar does not contain a footer, and this method must be implemented by subclassing the widget.

renderHeader

void renderHeader
Appends the header contents into the widget header.

renderOutOfBoundsDate

Object renderOutOfBoundsDate
BEGIN BUILT-IN TABLE CELL RENDERERS

renderRowFooter

void renderRowFooter
Renders the row footer for a week. The date passed in should be the first date of the given week.

renderRowHeader

void renderRowHeader
Renders the row header for a week. The date passed in should be the first date of the given week.

renderShell

void renderShell
Outputs the calendar shell to the DOM, inserting it into the placeholder element.

reset

void reset
Resets the calendar widget to the originally selected month and year, and sets the calendar to the initial selection(s).

resetRenderers

void resetRenderers
Resets the render stack of the current calendar to its original pre-render value.

select

Date[] select
Selects a date or a collection of dates on the current calendar. This method, by default, does not call the render method explicitly. Once selection has completed, render must be called for the changes to be reflected visually.
Returns:
Array of JavaScript Date objects representing all individual dates that are currently selected.

selectCell

Date[] selectCell
Selects a date on the current calendar by referencing the index of the cell that should be selected. This method is used to easily select a single cell (usually with a mouse click) without having to do a full render. The selected style is applied to the cell directly.
Returns:
Array of JavaScript Date objects representing all individual dates that are currently selected.

setMonth

void setMonth
Sets the calendar's month explicitly.

setupConfig

void setupConfig
This method is called to initialize the widget configuration variables, including style, localization, and other display and behavioral options.

Config: Container for the CSS style configuration variables.

Config.Style - Defines the CSS classes used for different calendar elements

CSS_CALENDAR : Container table
CSS_HEADER :
CSS_HEADER_TEXT : Calendar header
CSS_FOOTER : Calendar footer
CSS_CELL : Calendar day cell
CSS_CELL_OOM : Calendar OOM (out of month) cell
CSS_CELL_SELECTED : Calendar selected cell
CSS_CELL_RESTRICTED : Calendar restricted cell
CSS_CELL_TODAY : Calendar cell for today's date
CSS_ROW_HEADER : The cell preceding a row (used for week number by default)
CSS_ROW_FOOTER : The cell following a row (not implemented by default)
CSS_WEEKDAY_CELL : The cells used for labeling weekdays
CSS_WEEKDAY_ROW : The row containing the weekday label cells
CSS_BORDER : The border style used for the default UED rendering
CSS_CONTAINER : Special container class used to properly adjust the sizing and float
CSS_NAV_LEFT : Left navigation arrow
CSS_NAV_RIGHT : Right navigation arrow
CSS_CELL_TOP : Outlying cell along the top row
CSS_CELL_LEFT : Outlying cell along the left row
CSS_CELL_RIGHT : Outlying cell along the right row
CSS_CELL_BOTTOM : Outlying cell along the bottom row
CSS_CELL_HOVER : Cell hover style
CSS_CELL_HIGHLIGHT1 : Highlight color 1 for styling cells
CSS_CELL_HIGHLIGHT2 : Highlight color 2 for styling cells
CSS_CELL_HIGHLIGHT3 : Highlight color 3 for styling cells
CSS_CELL_HIGHLIGHT4 : Highlight color 4 for styling cells

Config.Locale - Defines the locale string arrays used for localization

MONTHS_SHORT : Array of 12 months in short format ("Jan", "Feb", etc.)
MONTHS_LONG : Array of 12 months in short format ("Jan", "Feb", etc.)
WEEKDAYS_1CHAR : Array of 7 days in 1-character format ("S", "M", etc.)
WEEKDAYS_SHORT : Array of 7 days in short format ("Su", "Mo", etc.)
WEEKDAYS_MEDIUM : Array of 7 days in medium format ("Sun", "Mon", etc.)
WEEKDAYS_LONG : Array of 7 days in long format ("Sunday", "Monday", etc.)
DATE_DELIMITER : The value used to delimit series of multiple dates (Default: ",")
DATE_FIELD_DELIMITER : The value used to delimit date fields (Default: "/")
DATE_RANGE_DELIMITER : The value used to delimit date fields (Default: "-")
MY_MONTH_POSITION : The value used to determine the position of the month in a month/year combo (e.g. 12/2005) (Default: 1)
MY_YEAR_POSITION : The value used to determine the position of the year in a month/year combo (e.g. 12/2005) (Default: 2)
MD_MONTH_POSITION : The value used to determine the position of the month in a month/day combo (e.g. 12/25) (Default: 1)
MD_DAY_POSITION : The value used to determine the position of the day in a month/day combo (e.g. 12/25) (Default: 2)
MDY_MONTH_POSITION : The value used to determine the position of the month in a month/day/year combo (e.g. 12/25/2005) (Default: 1)
MDY_DAY_POSITION : The value used to determine the position of the day in a month/day/year combo (e.g. 12/25/2005) (Default: 2)
MDY_YEAR_POSITION : The value used to determine the position of the year in a month/day/year combo (e.g. 12/25/2005) (Default: 3)

Config.Options - Defines other configurable calendar widget options

SHOW_WEEKDAYS : Boolean, determines whether to display the weekday headers (defaults to true)
LOCALE_MONTHS : Array, points to the desired Config.Locale array (defaults to Config.Locale.MONTHS_LONG)
LOCALE_WEEKDAYS : Array, points to the desired Config.Locale array (defaults to Config.Locale.WEEKDAYS_SHORT)
START_WEEKDAY : Integer, 0-6, representing the day that a week begins on
SHOW_WEEK_HEADER : Boolean, determines whether to display row headers
SHOW_WEEK_FOOTER : Boolean, determines whether to display row footers
HIDE_BLANK_WEEKS : Boolean, determines whether to hide extra weeks that are completely OOM
NAV_ARROW_LEFT : String, the image path used for the left navigation arrow
NAV_ARROW_RIGHT : String, the image path used for the right navigation arrow

setYear

void setYear
Sets the calendar's year explicitly.

subtractMonths

void subtractMonths
Subtracts the designated number of months from the current calendar month, and sets the current calendar page date to the new month.

subtractYears

void subtractYears
Subtcats the designated number of years from the current calendar, and sets the current calendar page date to the new month.

validate

Boolean validate
Validates the calendar widget. This method has no default implementation and must be extended by subclassing the widget.
Returns:
Should return true if the widget validates, and false if it doesn't.

wireCustomEvents

void wireCustomEvents
This function can be extended by subclasses to attach additional DOM events to the calendar. By default, this method is unimplemented.

wireDefaultEvents

void wireDefaultEvents
Wires the local DOM events for the Calendar, including cell selection, hover, and default navigation that is used for moving back and forth between calendar pages.

_getBrowser

Object _getBrowser
END GETTER/SETTER METHODS

addCssClass

void addCssClass
Adds the specified CSS class to the element passed to this method.

prependCssClass

void prependCssClass

removeCssClass

void removeCssClass
Removed the specified CSS class from the element passed to this method.

setCssClasses

void setCssClasses
Sets the specified array of CSS classes into the referenced element