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( function () {
/**
* @classdesc CalendarWidget displays a calendar that can be used to select a date. It
* uses {@link mw.widgets.datetime.DateTimeFormatter DateTimeFormatter} to get the details of
* the calendar.
*
* This widget is mainly intended to be used as a popup from a
* {@link mw.widgets.datetime.DateTimeInputWidget DateTimeInputWidget}, but may also be used
* standalone.
*
* @class
* @extends OO.ui.Widget
* @mixes OO.ui.mixin.TabIndexedElement
*
* @constructor
* @description Create an instance of `mw.widgets.CalendarWidget`.
* @param {Object} [config] Configuration options
* @param {Object|mw.widgets.datetime.DateTimeFormatter} [config.formatter={}] Configuration options for
* {@link mw.widgets.datetime.ProlepticGregorianDateTimeFormatter}, or an
* {@link mw.widgets.datetime.DateTimeFormatter} instance to use.
* @param {OO.ui.Widget|null} [config.widget=null] Widget associated with the calendar.
* Specifying this configures the calendar to be used as a popup from the
* specified widget (e.g. absolute positioning, automatic hiding when clicked
* outside).
* @param {Date|null} [config.min=null] Minimum allowed date
* @param {Date|null} [config.max=null] Maximum allowed date
* @param {Date} [config.focusedDate] Initially focused date.
* @param {Date|Date[]|null} [config.selected=null] Selected date(s).
*/
mw.widgets.datetime.CalendarWidget = function MwWidgetsDatetimeCalendarWidget( config ) {
// Configuration initialization
config = Object.assign( {
min: null,
max: null,
focusedDate: new Date(),
selected: null,
formatter: {}
}, config );
// Parent constructor
mw.widgets.datetime.CalendarWidget.super.call( this, config );
// Mixin constructors
OO.ui.mixin.TabIndexedElement.call( this, Object.assign( {}, config, { $tabIndexed: this.$element } ) );
// Properties
if ( config.min instanceof Date && config.min.getTime() >= -62167219200000 ) {
this.min = config.min;
} else {
this.min = new Date( -62167219200000 ); // 0000-01-01T00:00:00.000Z
}
if ( config.max instanceof Date && config.max.getTime() <= 253402300799999 ) {
this.max = config.max;
} else {
this.max = new Date( 253402300799999 ); // 9999-12-31T12:59:59.999Z
}
if ( config.focusedDate instanceof Date ) {
this.focusedDate = config.focusedDate;
} else {
this.focusedDate = new Date();
}
this.selected = [];
if ( config.formatter instanceof mw.widgets.datetime.DateTimeFormatter ) {
this.formatter = config.formatter;
} else if ( $.isPlainObject( config.formatter ) ) {
this.formatter = new mw.widgets.datetime.ProlepticGregorianDateTimeFormatter( config.formatter );
} else {
throw new Error( '"formatter" must be an mw.widgets.datetime.DateTimeFormatter or a plain object' );
}
this.calendarData = null;
this.widget = config.widget;
this.$widget = config.widget ? config.widget.$element : null;
this.onDocumentMouseDownHandler = this.onDocumentMouseDown.bind( this );
this.$head = $( '<div>' );
this.$header = $( '<span>' );
this.$table = $( '<table>' );
this.cols = [];
this.colNullable = [];
this.headings = [];
this.$tableBody = $( '<tbody>' );
this.rows = [];
this.buttons = {};
this.minWidth = 1;
this.daysPerWeek = 0;
// Events
this.$element.on( {
keydown: this.onKeyDown.bind( this )
} );
this.formatter.connect( this, {
local: 'onLocalChange'
} );
if ( this.$widget ) {
this.checkFocusHandler = this.checkFocus.bind( this );
this.$element.on( {
focusout: this.onFocusOut.bind( this )
} );
this.$widget.on( {
focusout: this.onFocusOut.bind( this )
} );
}
// Initialization
this.$head
.addClass( 'mw-widgets-datetime-calendarWidget-heading' )
.append(
new OO.ui.ButtonWidget( {
icon: 'previous',
framed: false,
classes: [ 'mw-widgets-datetime-calendarWidget-previous' ],
tabIndex: -1
} ).connect( this, { click: 'onPrevClick' } ).$element,
new OO.ui.ButtonWidget( {
icon: 'next',
framed: false,
classes: [ 'mw-widgets-datetime-calendarWidget-next' ],
tabIndex: -1
} ).connect( this, { click: 'onNextClick' } ).$element,
this.$header
);
const $colgroup = $( '<colgroup>' );
const $headTR = $( '<tr>' );
this.$table
.addClass( 'mw-widgets-datetime-calendarWidget-grid' )
.append( $colgroup )
.append( $( '<thead>' ).append( $headTR ) )
.append( this.$tableBody );
const headings = this.formatter.getCalendarHeadings();
for ( let i = 0; i < headings.length; i++ ) {
this.cols[ i ] = $( '<col>' );
this.headings[ i ] = $( '<th>' );
this.colNullable[ i ] = headings[ i ] === null;
if ( headings[ i ] !== null ) {
this.headings[ i ].text( headings[ i ] );
this.minWidth = Math.max( this.minWidth, headings[ i ].length );
this.daysPerWeek++;
}
$colgroup.append( this.cols[ i ] );
$headTR.append( this.headings[ i ] );
}
this.setSelected( config.selected );
this.$element
.addClass( 'mw-widgets-datetime-calendarWidget' )
.append( this.$head, this.$table );
if ( this.widget ) {
this.$element.addClass( 'mw-widgets-datetime-calendarWidget-dependent' );
// Initially hidden - using #toggle may cause errors if subclasses override toggle with methods
// that reference properties not initialized at that time of parent class construction
// TODO: Find a better way to handle post-constructor setup
this.visible = false;
this.$element.addClass( 'oo-ui-element-hidden' );
} else {
this.updateUI();
}
};
/* Setup */
OO.inheritClass( mw.widgets.datetime.CalendarWidget, OO.ui.Widget );
OO.mixinClass( mw.widgets.datetime.CalendarWidget, OO.ui.mixin.TabIndexedElement );
/* Events */
/**
* A `change` event is emitted when the selected dates change.
*
* @event mw.widgets.datetime.CalendarWidget.change
* @param {Date|Date[]|null} dates The new date(s) or null
*/
/**
* A `focusChanged` event is emitted when the focused date changes.
*
* @event mw.widgets.datetime.CalendarWidget.focusChanged
* @param {Date} date The newly focused date
*/
/**
* A `page` event is emitted when the current "month" changes.
*
* @event mw.widgets.datetime.CalendarWidget.page
* @param {Date} date The new date
*/
/* Methods */
/**
* Return the current selected dates.
*
* @return {Date[]}
*/
mw.widgets.datetime.CalendarWidget.prototype.getSelected = function () {
return this.selected;
};
/**
* Set the selected dates.
*
* @param {Date|Date[]|null} dates
* @fires mw.widgets.datetime.CalendarWidget.change
* @chainable
* @return {mw.widgets.datetime.CalendarWidget}
*/
mw.widgets.datetime.CalendarWidget.prototype.setSelected = function ( dates ) {
let i, changed = false;
if ( dates instanceof Date ) {
dates = [ dates ];
} else if ( Array.isArray( dates ) ) {
dates = dates.filter( ( dt ) => dt instanceof Date );
dates.sort();
} else {
dates = [];
}
if ( this.selected.length !== dates.length ) {
changed = true;
} else {
for ( i = 0; i < dates.length; i++ ) {
if ( dates[ i ].getTime() !== this.selected[ i ].getTime() ) {
changed = true;
break;
}
}
}
if ( changed ) {
this.selected = dates;
this.emit( 'change', dates );
this.updateUI();
}
return this;
};
/**
* Return the currently-focused date.
*
* @return {Date}
*/
mw.widgets.datetime.CalendarWidget.prototype.getFocusedDate = function () {
return this.focusedDate;
};
/**
* Set the currently-focused date.
*
* @param {Date} date
* @fires mw.widgets.datetime.CalendarWidget.focusChanged
* @fires mw.widgets.datetime.CalendarWidget.page
* @chainable
* @return {mw.widgets.datetime.CalendarWidget}
*/
mw.widgets.datetime.CalendarWidget.prototype.setFocusedDate = function ( date ) {
let changePage = false,
updateUI = false;
if ( this.focusedDate.getTime() === date.getTime() ) {
return this;
}
if ( !this.formatter.sameCalendarGrid( this.focusedDate, date ) ) {
changePage = true;
updateUI = true;
} else if (
!this.formatter.timePartIsEqual( this.focusedDate, date ) ||
!this.formatter.datePartIsEqual( this.focusedDate, date )
) {
updateUI = true;
}
this.focusedDate = date;
this.emit( 'focusChanged', this.focusedDate );
if ( changePage ) {
this.emit( 'page', date );
}
if ( updateUI ) {
this.updateUI();
}
return this;
};
/**
* Adjust a date.
*
* @protected
* @param {Date} date Date to adjust
* @param {string} component Component: 'month', 'week', or 'day'
* @param {number} delta Integer, usually -1 or 1
* @param {boolean} [enforceRange=true] Whether to enforce this.min and this.max
* @return {Date}
*/
mw.widgets.datetime.CalendarWidget.prototype.adjustDate = function ( date, component, delta ) {
let newDate;
const data = this.calendarData;
if ( !data ) {
return date;
}
switch ( component ) {
case 'month':
newDate = this.formatter.adjustComponent( date, data.monthComponent, delta, 'overflow' );
break;
case 'week':
if ( data.weekComponent === undefined ) {
newDate = this.formatter.adjustComponent(
date, data.dayComponent, delta * this.daysPerWeek, 'overflow' );
} else {
newDate = this.formatter.adjustComponent( date, data.weekComponent, delta, 'overflow' );
}
break;
case 'day':
newDate = this.formatter.adjustComponent( date, data.dayComponent, delta, 'overflow' );
break;
default:
throw new Error( 'Unknown component' );
}
while ( newDate < this.min ) {
newDate = this.formatter.adjustComponent( newDate, data.dayComponent, 1, 'overflow' );
}
while ( newDate > this.max ) {
newDate = this.formatter.adjustComponent( newDate, data.dayComponent, -1, 'overflow' );
}
return newDate;
};
/**
* Update the user interface.
*
* @protected
*/
mw.widgets.datetime.CalendarWidget.prototype.updateUI = function () {
let row, day, k, $cell,
width = this.minWidth;
const
nullCols = [],
focusedDate = this.getFocusedDate(),
selected = this.getSelected(),
datePartIsEqual = this.formatter.datePartIsEqual.bind( this.formatter ),
isSelected = function ( dt ) {
return datePartIsEqual( this, dt );
};
this.calendarData = this.formatter.getCalendarData( focusedDate );
this.$header.text( this.calendarData.header );
for ( let c = 0; c < this.colNullable.length; c++ ) {
nullCols[ c ] = this.colNullable[ c ];
if ( nullCols[ c ] ) {
for ( let r = 0; r < this.calendarData.rows.length; r++ ) {
if ( this.calendarData.rows[ r ][ c ] ) {
nullCols[ c ] = false;
break;
}
}
}
}
this.$tableBody.children().detach();
for ( let r = 0; r < this.calendarData.rows.length; r++ ) {
if ( !this.rows[ r ] ) {
this.rows[ r ] = $( '<tr>' );
} else {
this.rows[ r ].children().detach();
}
this.$tableBody.append( this.rows[ r ] );
row = this.calendarData.rows[ r ];
for ( let c = 0; c < row.length; c++ ) {
day = row[ c ];
if ( day === null ) {
k = 'empty-' + r + '-' + c;
if ( !this.buttons[ k ] ) {
this.buttons[ k ] = $( '<td>' );
}
$cell = this.buttons[ k ];
$cell.toggleClass( 'oo-ui-element-hidden', nullCols[ c ] );
} else {
k = ( day.extra ? day.extra : '' ) + day.display;
width = Math.max( width, day.display.length );
if ( !this.buttons[ k ] ) {
this.buttons[ k ] = new OO.ui.ButtonWidget( {
$element: $( '<td>' ),
classes: [
'mw-widgets-datetime-calendarWidget-cell',
day.extra ? 'mw-widgets-datetime-calendarWidget-extra' : ''
],
framed: true,
label: day.display,
tabIndex: -1
} );
this.buttons[ k ].connect( this, { click: [ 'onDayClick', this.buttons[ k ] ] } );
}
this.buttons[ k ]
.setData( day.date )
.setDisabled( day.date < this.min || day.date > this.max );
$cell = this.buttons[ k ].$element;
$cell
.toggleClass( 'mw-widgets-datetime-calendarWidget-focused',
this.formatter.datePartIsEqual( focusedDate, day.date ) )
.toggleClass( 'mw-widgets-datetime-calendarWidget-selected',
selected.some( isSelected, day.date ) );
}
this.rows[ r ].append( $cell );
}
}
for ( let c = 0; c < this.cols.length; c++ ) {
if ( nullCols[ c ] ) {
this.cols[ c ].width( 0 );
} else {
this.cols[ c ].width( width + 'em' );
}
this.cols[ c ].toggleClass( 'oo-ui-element-hidden', nullCols[ c ] );
this.headings[ c ].toggleClass( 'oo-ui-element-hidden', nullCols[ c ] );
}
};
/**
* Handles formatter 'local' flag changing.
*
* @protected
*/
mw.widgets.datetime.CalendarWidget.prototype.onLocalChange = function () {
if ( this.formatter.localChangesDatePart( this.getFocusedDate() ) ) {
this.emit( 'page', this.getFocusedDate() );
}
this.updateUI();
};
/**
* Handles previous button click.
*
* @protected
*/
mw.widgets.datetime.CalendarWidget.prototype.onPrevClick = function () {
this.setFocusedDate( this.adjustDate( this.getFocusedDate(), 'month', -1 ) );
if ( !this.$widget || OO.ui.contains( this.$element[ 0 ], document.activeElement, true ) ) {
this.$element.trigger( 'focus' );
}
};
/**
* Handles next button click.
*
* @protected
*/
mw.widgets.datetime.CalendarWidget.prototype.onNextClick = function () {
this.setFocusedDate( this.adjustDate( this.getFocusedDate(), 'month', 1 ) );
if ( !this.$widget || OO.ui.contains( this.$element[ 0 ], document.activeElement, true ) ) {
this.$element.trigger( 'focus' );
}
};
/**
* Handles day button click.
*
* @protected
* @param {OO.ui.ButtonWidget} button
*/
mw.widgets.datetime.CalendarWidget.prototype.onDayClick = function ( button ) {
const data = button.getData();
this.setFocusedDate( data );
this.setSelected( [ data ] );
if ( !this.$widget || OO.ui.contains( this.$element[ 0 ], document.activeElement, true ) ) {
this.$element.trigger( 'focus' );
}
};
/**
* Handles document mouse down events.
*
* @protected
* @param {jQuery.Event} e Mouse down event
*/
mw.widgets.datetime.CalendarWidget.prototype.onDocumentMouseDown = function ( e ) {
if ( this.$widget &&
!OO.ui.contains( this.$element[ 0 ], e.target, true ) &&
!OO.ui.contains( this.$widget[ 0 ], e.target, true )
) {
this.toggle( false );
}
};
/**
* Handles key presses.
*
* @protected
* @param {jQuery.Event} e Key down event
* @return {boolean|undefined} False to cancel the default event
*/
mw.widgets.datetime.CalendarWidget.prototype.onKeyDown = function ( e ) {
const focusedDate = this.getFocusedDate();
if ( !this.isDisabled() ) {
switch ( e.which ) {
case OO.ui.Keys.ENTER:
case OO.ui.Keys.SPACE:
this.setSelected( [ focusedDate ] );
return false;
case OO.ui.Keys.LEFT:
this.setFocusedDate( this.adjustDate( focusedDate, 'day', -1 ) );
return false;
case OO.ui.Keys.RIGHT:
this.setFocusedDate( this.adjustDate( focusedDate, 'day', 1 ) );
return false;
case OO.ui.Keys.UP:
this.setFocusedDate( this.adjustDate( focusedDate, 'week', -1 ) );
return false;
case OO.ui.Keys.DOWN:
this.setFocusedDate( this.adjustDate( focusedDate, 'week', 1 ) );
return false;
case OO.ui.Keys.PAGEUP:
this.setFocusedDate( this.adjustDate( focusedDate, 'month', -1 ) );
return false;
case OO.ui.Keys.PAGEDOWN:
this.setFocusedDate( this.adjustDate( focusedDate, 'month', 1 ) );
return false;
}
}
};
/**
* Handles focusout events in dependent mode.
*
* @private
*/
mw.widgets.datetime.CalendarWidget.prototype.onFocusOut = function () {
setTimeout( this.checkFocusHandler );
};
/**
* When we or our widget lost focus, check if the calendar should be hidden.
*
* @private
*/
mw.widgets.datetime.CalendarWidget.prototype.checkFocus = function () {
const containers = [ this.$element[ 0 ], this.$widget[ 0 ] ],
activeElement = document.activeElement;
if ( !activeElement || !OO.ui.contains( containers, activeElement, true ) ) {
this.toggle( false );
}
};
/**
* @inheritdoc
*/
mw.widgets.datetime.CalendarWidget.prototype.toggle = function ( visible ) {
visible = ( visible === undefined ? !this.visible : !!visible );
const change = visible !== this.isVisible();
// Parent method
mw.widgets.datetime.CalendarWidget.super.prototype.toggle.call( this, visible );
if ( change ) {
if ( visible ) {
// Auto-hide
if ( this.$widget ) {
this.getElementDocument().addEventListener(
'mousedown', this.onDocumentMouseDownHandler, true
);
}
this.updateUI();
} else {
this.getElementDocument().removeEventListener(
'mousedown', this.onDocumentMouseDownHandler, true
);
}
}
return this;
};
}() );