js/date_picker/picker.js
/*!
* pickadate.js v3.5.0, 2014/04/13
* By Amsul, http://amsul.ca
* Hosted on http://amsul.github.io/pickadate.js
* Licensed under MIT
*/
(function ( factory ) {
Materialize.Picker = factory( jQuery )
}(function( $ ) {
var $window = $( window )
var $document = $( document )
var $html = $( document.documentElement )
/**
* The picker constructor that creates a blank picker.
*/
function PickerConstructor( ELEMENT, NAME, COMPONENT, OPTIONS ) {
// If there’s no element, return the picker constructor.
if ( !ELEMENT ) return PickerConstructor
var
IS_DEFAULT_THEME = false,
// The state of the picker.
STATE = {
id: ELEMENT.id || 'P' + Math.abs( ~~(Math.random() * new Date()) )
},
// Merge the defaults and options passed.
SETTINGS = COMPONENT ? $.extend( true, {}, COMPONENT.defaults, OPTIONS ) : OPTIONS || {},
// Merge the default classes with the settings classes.
CLASSES = $.extend( {}, PickerConstructor.klasses(), SETTINGS.klass ),
// The element node wrapper into a jQuery object.
$ELEMENT = $( ELEMENT ),
// Pseudo picker constructor.
PickerInstance = function() {
return this.start()
},
// The picker prototype.
P = PickerInstance.prototype = {
constructor: PickerInstance,
$node: $ELEMENT,
/**
* Initialize everything
*/
start: function() {
// If it’s already started, do nothing.
if ( STATE && STATE.start ) return P
// Update the picker states.
STATE.methods = {}
STATE.start = true
STATE.open = false
STATE.type = ELEMENT.type
// Confirm focus state, convert into text input to remove UA stylings,
// and set as readonly to prevent keyboard popup.
ELEMENT.autofocus = ELEMENT == getActiveElement()
ELEMENT.readOnly = !SETTINGS.editable
ELEMENT.id = ELEMENT.id || STATE.id
if ( ELEMENT.type != 'text' ) {
ELEMENT.type = 'text'
}
// Create a new picker component with the settings.
P.component = new COMPONENT(P, SETTINGS)
// Create the picker root with a holder and then prepare it.
P.$root = $( PickerConstructor._.node('div', createWrappedComponent(), CLASSES.picker, 'id="' + ELEMENT.id + '_root" tabindex="0"') )
prepareElementRoot()
// If there’s a format for the hidden input element, create the element.
if ( SETTINGS.formatSubmit ) {
prepareElementHidden()
}
// Prepare the input element.
prepareElement()
// Insert the root as specified in the settings.
if ( SETTINGS.container ) $( SETTINGS.container ).append( P.$root )
else $ELEMENT.before( P.$root )
// Bind the default component and settings events.
P.on({
start: P.component.onStart,
render: P.component.onRender,
stop: P.component.onStop,
open: P.component.onOpen,
close: P.component.onClose,
set: P.component.onSet
}).on({
start: SETTINGS.onStart,
render: SETTINGS.onRender,
stop: SETTINGS.onStop,
open: SETTINGS.onOpen,
close: SETTINGS.onClose,
set: SETTINGS.onSet
})
// Once we’re all set, check the theme in use.
IS_DEFAULT_THEME = isUsingDefaultTheme( P.$root.children()[ 0 ] )
// If the element has autofocus, open the picker.
if ( ELEMENT.autofocus ) {
P.open()
}
// Trigger queued the “start” and “render” events.
return P.trigger( 'start' ).trigger( 'render' )
}, //start
/**
* Render a new picker
*/
render: function( entireComponent ) {
// Insert a new component holder in the root or box.
if ( entireComponent ) P.$root.html( createWrappedComponent() )
else P.$root.find( '.' + CLASSES.box ).html( P.component.nodes( STATE.open ) )
// Trigger the queued “render” events.
return P.trigger( 'render' )
}, //render
/**
* Destroy everything
*/
stop: function() {
// If it’s already stopped, do nothing.
if ( !STATE.start ) return P
// Then close the picker.
P.close()
// Remove the hidden field.
if ( P._hidden ) {
P._hidden.parentNode.removeChild( P._hidden )
}
// Remove the root.
P.$root.remove()
// Remove the input class, remove the stored data, and unbind
// the events (after a tick for IE - see `P.close`).
$ELEMENT.removeClass( CLASSES.input ).removeData( NAME )
setTimeout( function() {
$ELEMENT.off( '.' + STATE.id )
}, 0)
// Restore the element state
ELEMENT.type = STATE.type
ELEMENT.readOnly = false
// Trigger the queued “stop” events.
P.trigger( 'stop' )
// Reset the picker states.
STATE.methods = {}
STATE.start = false
return P
}, //stop
/**
* Open up the picker
*/
open: function( dontGiveFocus ) {
// If it’s already open, do nothing.
if ( STATE.open ) return P
// Add the “active” class.
$ELEMENT.addClass( CLASSES.active )
aria( ELEMENT, 'expanded', true )
// * A Firefox bug, when `html` has `overflow:hidden`, results in
// killing transitions :(. So add the “opened” state on the next tick.
// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=625289
setTimeout( function() {
// Add the “opened” class to the picker root.
P.$root.addClass( CLASSES.opened )
aria( P.$root[0], 'hidden', false )
}, 0 )
// If we have to give focus, bind the element and doc events.
if ( dontGiveFocus !== false ) {
// Set it as open.
STATE.open = true
// Prevent the page from scrolling.
if ( IS_DEFAULT_THEME ) {
$html.
css( 'overflow', 'hidden' ).
css( 'padding-right', '+=' + getScrollbarWidth() )
}
// Pass focus to the root element’s jQuery object.
// * Workaround for iOS8 to bring the picker’s root into view.
P.$root.eq(0).focus()
// Bind the document events.
$document.on( 'click.' + STATE.id + ' focusin.' + STATE.id, function( event ) {
var target = event.target
// If the target of the event is not the element, close the picker picker.
// * Don’t worry about clicks or focusins on the root because those don’t bubble up.
// Also, for Firefox, a click on an `option` element bubbles up directly
// to the doc. So make sure the target wasn't the doc.
// * In Firefox stopPropagation() doesn’t prevent right-click events from bubbling,
// which causes the picker to unexpectedly close when right-clicking it. So make
// sure the event wasn’t a right-click.
if ( target != ELEMENT && target != document && event.which != 3 ) {
// If the target was the holder that covers the screen,
// keep the element focused to maintain tabindex.
P.close( target === P.$root.children()[0] )
}
}).on( 'keydown.' + STATE.id, function( event ) {
var
// Get the keycode.
keycode = event.keyCode,
// Translate that to a selection change.
keycodeToMove = P.component.key[ keycode ],
// Grab the target.
target = event.target
// On escape, close the picker and give focus.
if ( keycode == 27 ) {
P.close( true )
}
// Check if there is a key movement or “enter” keypress on the element.
else if ( target == P.$root[0] && ( keycodeToMove || keycode == 13 ) ) {
// Prevent the default action to stop page movement.
event.preventDefault()
// Trigger the key movement action.
if ( keycodeToMove ) {
PickerConstructor._.trigger( P.component.key.go, P, [ PickerConstructor._.trigger( keycodeToMove ) ] )
}
// On “enter”, if the highlighted item isn’t disabled, set the value and close.
else if ( !P.$root.find( '.' + CLASSES.highlighted ).hasClass( CLASSES.disabled ) ) {
P.set( 'select', P.component.item.highlight )
if ( SETTINGS.closeOnSelect ) {
P.close( true )
}
}
}
// If the target is within the root and “enter” is pressed,
// prevent the default action and trigger a click on the target instead.
else if ( $.contains( P.$root[0], target ) && keycode == 13 ) {
event.preventDefault()
target.click()
}
})
}
// Trigger the queued “open” events.
return P.trigger( 'open' )
}, //open
/**
* Close the picker
*/
close: function( giveFocus ) {
// If we need to give focus, do it before changing states.
if ( giveFocus ) {
// ....ah yes! It would’ve been incomplete without a crazy workaround for IE :|
// The focus is triggered *after* the close has completed - causing it
// to open again. So unbind and rebind the event at the next tick.
P.$root.off( 'focus.toOpen' ).eq(0).focus()
setTimeout( function() {
P.$root.on( 'focus.toOpen', handleFocusToOpenEvent )
}, 0 )
}
// Remove the “active” class.
$ELEMENT.removeClass( CLASSES.active )
aria( ELEMENT, 'expanded', false )
// * A Firefox bug, when `html` has `overflow:hidden`, results in
// killing transitions :(. So remove the “opened” state on the next tick.
// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=625289
setTimeout( function() {
// Remove the “opened” and “focused” class from the picker root.
P.$root.removeClass( CLASSES.opened + ' ' + CLASSES.focused )
aria( P.$root[0], 'hidden', true )
}, 0 )
// If it’s already closed, do nothing more.
if ( !STATE.open ) return P
// Set it as closed.
STATE.open = false
// Allow the page to scroll.
if ( IS_DEFAULT_THEME ) {
$html.
css( 'overflow', '' ).
css( 'padding-right', '-=' + getScrollbarWidth() )
}
// Unbind the document events.
$document.off( '.' + STATE.id )
// Trigger the queued “close” events.
return P.trigger( 'close' )
}, //close
/**
* Clear the values
*/
clear: function( options ) {
return P.set( 'clear', null, options )
}, //clear
/**
* Set something
*/
set: function( thing, value, options ) {
var thingItem, thingValue,
thingIsObject = $.isPlainObject( thing ),
thingObject = thingIsObject ? thing : {}
// Make sure we have usable options.
options = thingIsObject && $.isPlainObject( value ) ? value : options || {}
if ( thing ) {
// If the thing isn’t an object, make it one.
if ( !thingIsObject ) {
thingObject[ thing ] = value
}
// Go through the things of items to set.
for ( thingItem in thingObject ) {
// Grab the value of the thing.
thingValue = thingObject[ thingItem ]
// First, if the item exists and there’s a value, set it.
if ( thingItem in P.component.item ) {
if ( thingValue === undefined ) thingValue = null
P.component.set( thingItem, thingValue, options )
}
// Then, check to update the element value and broadcast a change.
if ( thingItem == 'select' || thingItem == 'clear' ) {
$ELEMENT.
val( thingItem == 'clear' ? '' : P.get( thingItem, SETTINGS.format ) ).
trigger( 'change' )
}
}
// Render a new picker.
P.render()
}
// When the method isn’t muted, trigger queued “set” events and pass the `thingObject`.
return options.muted ? P : P.trigger( 'set', thingObject )
}, //set
/**
* Get something
*/
get: function( thing, format ) {
// Make sure there’s something to get.
thing = thing || 'value'
// If a picker state exists, return that.
if ( STATE[ thing ] != null ) {
return STATE[ thing ]
}
// Return the submission value, if that.
if ( thing == 'valueSubmit' ) {
if ( P._hidden ) {
return P._hidden.value
}
thing = 'value'
}
// Return the value, if that.
if ( thing == 'value' ) {
return ELEMENT.value
}
// Check if a component item exists, return that.
if ( thing in P.component.item ) {
if ( typeof format == 'string' ) {
var thingValue = P.component.get( thing )
return thingValue ?
PickerConstructor._.trigger(
P.component.formats.toString,
P.component,
[ format, thingValue ]
) : ''
}
return P.component.get( thing )
}
}, //get
/**
* Bind events on the things.
*/
on: function( thing, method, internal ) {
var thingName, thingMethod,
thingIsObject = $.isPlainObject( thing ),
thingObject = thingIsObject ? thing : {}
if ( thing ) {
// If the thing isn’t an object, make it one.
if ( !thingIsObject ) {
thingObject[ thing ] = method
}
// Go through the things to bind to.
for ( thingName in thingObject ) {
// Grab the method of the thing.
thingMethod = thingObject[ thingName ]
// If it was an internal binding, prefix it.
if ( internal ) {
thingName = '_' + thingName
}
// Make sure the thing methods collection exists.
STATE.methods[ thingName ] = STATE.methods[ thingName ] || []
// Add the method to the relative method collection.
STATE.methods[ thingName ].push( thingMethod )
}
}
return P
}, //on
/**
* Unbind events on the things.
*/
off: function() {
var i, thingName,
names = arguments;
for ( i = 0, namesCount = names.length; i < namesCount; i += 1 ) {
thingName = names[i]
if ( thingName in STATE.methods ) {
delete STATE.methods[thingName]
}
}
return P
},
/**
* Fire off method events.
*/
trigger: function( name, data ) {
var _trigger = function( name ) {
var methodList = STATE.methods[ name ]
if ( methodList ) {
methodList.map( function( method ) {
PickerConstructor._.trigger( method, P, [ data ] )
})
}
}
_trigger( '_' + name )
_trigger( name )
return P
} //trigger
} //PickerInstance.prototype
/**
* Wrap the picker holder components together.
*/
function createWrappedComponent() {
// Create a picker wrapper holder
return PickerConstructor._.node( 'div',
// Create a picker wrapper node
PickerConstructor._.node( 'div',
// Create a picker frame
PickerConstructor._.node( 'div',
// Create a picker box node
PickerConstructor._.node( 'div',
// Create the components nodes.
P.component.nodes( STATE.open ),
// The picker box class
CLASSES.box
),
// Picker wrap class
CLASSES.wrap
),
// Picker frame class
CLASSES.frame
),
// Picker holder class
CLASSES.holder
) //endreturn
} //createWrappedComponent
/**
* Prepare the input element with all bindings.
* The contents of this function are copied from pickadate v3.6.3
* https://github.com/amsul/pickadate.js/blob/master/lib/picker.js
*/
function prepareElement() {
$ELEMENT.
// Store the picker data by component name.
data(NAME, P).
// Add the “input” class name.
addClass(CLASSES.input).
// If there’s a `data-value`, update the value of the element.
val( $ELEMENT.data('value') ?
P.get('select', SETTINGS.format) :
ELEMENT.value
).
// On focus/click, open the picker.
on( 'focus.' + STATE.id + ' click.' + STATE.id,
debounce(function(event) {
event.preventDefault()
P.open()
}, 150))
// Mousedown handler to capture when the user starts interacting
// with the picker. This is used in working around a bug in Chrome 73.
.on('mousedown', function() {
STATE.handlingOpen = true;
var handler = function() {
// By default mouseup events are fired before a click event.
// By using a timeout we can force the mouseup to be handled
// after the corresponding click event is handled.
setTimeout(function() {
$(document).off('mouseup', handler);
STATE.handlingOpen = false;
}, 0);
};
$(document).on('mouseup', handler);
});
// Only bind keydown events if the element isn’t editable.
if ( !SETTINGS.editable ) {
$ELEMENT.
// Handle keyboard event based on the picker being opened or not.
on( 'keydown.' + STATE.id, handleKeydownEvent )
}
// Update the aria attributes.
aria(ELEMENT, {
haspopup: true,
expanded: false,
readonly: false,
owns: ELEMENT.id + '_root'
})
}
function debounce(func, wait, immediate) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
}
/**
* Prepare the root picker element with all bindings.
*/
function prepareElementRoot() {
P.$root.
on({
// For iOS8.
keydown: handleKeydownEvent,
// When something within the root is focused, stop from bubbling
// to the doc and remove the “focused” state from the root.
focusin: function( event ) {
P.$root.removeClass( CLASSES.focused )
event.stopPropagation()
},
// When something within the root holder is clicked, stop it
// from bubbling to the doc.
'mousedown click': function( event ) {
var target = event.target
// Make sure the target isn’t the root holder so it can bubble up.
if ( target != P.$root.children()[ 0 ] ) {
event.stopPropagation()
// * For mousedown events, cancel the default action in order to
// prevent cases where focus is shifted onto external elements
// when using things like jQuery mobile or MagnificPopup (ref: #249 & #120).
// Also, for Firefox, don’t prevent action on the `option` element.
if ( event.type == 'mousedown' && !$( target ).is( 'input, select, textarea, button, option' )) {
event.preventDefault()
// Re-focus onto the root so that users can click away
// from elements focused within the picker.
P.$root.eq(0).focus()
}
}
}
}).
// Add/remove the “target” class on focus and blur.
on({
focus: function() {
$ELEMENT.addClass( CLASSES.target )
},
blur: function() {
$ELEMENT.removeClass( CLASSES.target )
}
}).
// Open the picker and adjust the root “focused” state
on( 'focus.toOpen', handleFocusToOpenEvent ).
// If there’s a click on an actionable element, carry out the actions.
on( 'click', '[data-pick], [data-nav], [data-clear], [data-close]', function() {
var $target = $( this ),
targetData = $target.data(),
targetDisabled = $target.hasClass( CLASSES.navDisabled ) || $target.hasClass( CLASSES.disabled ),
// * For IE, non-focusable elements can be active elements as well
// (http://stackoverflow.com/a/2684561).
activeElement = getActiveElement();
activeElement = activeElement && ( activeElement.type || activeElement.href ) && activeElement;
// If it’s disabled or nothing inside is actively focused, re-focus the element.
if ( targetDisabled || activeElement && !$.contains( P.$root[0], activeElement ) ) {
P.$root.eq(0).focus()
}
// If something is superficially changed, update the `highlight` based on the `nav`.
if ( !targetDisabled && targetData.nav ) {
P.set( 'highlight', P.component.item.highlight, { nav: targetData.nav } )
}
// If something is picked, set `select` then close with focus.
else if ( !targetDisabled && 'pick' in targetData ) {
P.set( 'select', targetData.pick )
if ( SETTINGS.closeOnSelect ) {
P.close( true )
}
}
// If a “clear” button is pressed, empty the values and close with focus.
else if ( targetData.clear ) {
P.clear()
if ( SETTINGS.closeOnSelect ) {
P.close( true )
}
}
else if ( targetData.close ) {
P.close( true )
}
}) //P.$root
aria( P.$root[0], 'hidden', true )
}
/**
* Prepare the hidden input element along with all bindings.
*/
function prepareElementHidden() {
var name
if ( SETTINGS.hiddenName === true ) {
name = ELEMENT.name
ELEMENT.name = ''
}
else {
name = [
typeof SETTINGS.hiddenPrefix == 'string' ? SETTINGS.hiddenPrefix : '',
typeof SETTINGS.hiddenSuffix == 'string' ? SETTINGS.hiddenSuffix : '_submit'
]
name = name[0] + ELEMENT.name + name[1]
}
P._hidden = $(
'<input ' +
'type=hidden ' +
// Create the name using the original input’s with a prefix and suffix.
'name="' + name + '"' +
// If the element has a value, set the hidden value as well.
(
$ELEMENT.data('value') || ELEMENT.value ?
' value="' + P.get('select', SETTINGS.formatSubmit) + '"' :
''
) +
'>'
)[0]
$ELEMENT.
// If the value changes, update the hidden input with the correct format.
on('change.' + STATE.id, function() {
P._hidden.value = ELEMENT.value ?
P.get('select', SETTINGS.formatSubmit) :
''
})
// Insert the hidden input as specified in the settings.
if ( SETTINGS.container ) $( SETTINGS.container ).append( P._hidden )
else $ELEMENT.before( P._hidden )
}
// For iOS8.
function handleKeydownEvent( event ) {
var keycode = event.keyCode,
// Check if one of the delete keys was pressed.
isKeycodeDelete = /^(8|46)$/.test(keycode)
// For some reason IE clears the input value on “escape”.
if ( keycode == 27 ) {
P.close()
return false
}
// Check if `space` or `delete` was pressed or the picker is closed with a key movement.
if ( keycode == 32 || isKeycodeDelete || !STATE.open && P.component.key[keycode] ) {
// Prevent it from moving the page and bubbling to doc.
event.preventDefault()
event.stopPropagation()
// If `delete` was pressed, clear the values and close the picker.
// Otherwise open the picker.
if ( isKeycodeDelete ) { P.clear().close() }
else { P.open() }
}
}
// Separated for IE
function handleFocusToOpenEvent( event ) {
// Stop the event from propagating to the doc.
event.stopPropagation()
// If it’s a focus event, add the “focused” class to the root.
if ( event.type == 'focus' ) {
P.$root.addClass( CLASSES.focused )
}
// And then finally open the picker.
P.open()
}
// Return a new picker instance.
return new PickerInstance()
} //PickerConstructor
/**
* The default classes and prefix to use for the HTML classes.
*/
PickerConstructor.klasses = function( prefix ) {
prefix = prefix || 'picker'
return {
picker: prefix,
opened: prefix + '--opened',
focused: prefix + '--focused',
input: prefix + '__input',
active: prefix + '__input--active',
target: prefix + '__input--target',
holder: prefix + '__holder',
frame: prefix + '__frame',
wrap: prefix + '__wrap',
box: prefix + '__box'
}
} //PickerConstructor.klasses
/**
* Check if the default theme is being used.
*/
function isUsingDefaultTheme( element ) {
var theme,
prop = 'position'
// For IE.
if ( element.currentStyle ) {
theme = element.currentStyle[prop]
}
// For normal browsers.
else if ( window.getComputedStyle ) {
theme = getComputedStyle( element )[prop]
}
return theme == 'fixed'
}
/**
* Get the width of the browser’s scrollbar.
* Taken from: https://github.com/VodkaBears/Remodal/blob/master/src/jquery.remodal.js
*/
function getScrollbarWidth() {
if ( $html.height() <= $window.height() ) {
return 0
}
var $outer = $( '<div style="visibility:hidden;width:100px" />' ).
appendTo( 'body' )
// Get the width without scrollbars.
var widthWithoutScroll = $outer[0].offsetWidth
// Force adding scrollbars.
$outer.css( 'overflow', 'scroll' )
// Add the inner div.
var $inner = $( '<div style="width:100%" />' ).appendTo( $outer )
// Get the width with scrollbars.
var widthWithScroll = $inner[0].offsetWidth
// Remove the divs.
$outer.remove()
// Return the difference between the widths.
return widthWithoutScroll - widthWithScroll
}
/**
* PickerConstructor helper methods.
*/
PickerConstructor._ = {
/**
* Create a group of nodes. Expects:
* `
{
min: {Integer},
max: {Integer},
i: {Integer},
node: {String},
item: {Function}
}
* `
*/
group: function( groupObject ) {
var
// Scope for the looped object
loopObjectScope,
// Create the nodes list
nodesList = '',
// The counter starts from the `min`
counter = PickerConstructor._.trigger( groupObject.min, groupObject )
// Loop from the `min` to `max`, incrementing by `i`
for ( ; counter <= PickerConstructor._.trigger( groupObject.max, groupObject, [ counter ] ); counter += groupObject.i ) {
// Trigger the `item` function within scope of the object
loopObjectScope = PickerConstructor._.trigger( groupObject.item, groupObject, [ counter ] )
// Splice the subgroup and create nodes out of the sub nodes
nodesList += PickerConstructor._.node(
groupObject.node,
loopObjectScope[ 0 ], // the node
loopObjectScope[ 1 ], // the classes
loopObjectScope[ 2 ] // the attributes
)
}
// Return the list of nodes
return nodesList
}, //group
/**
* Create a dom node string
*/
node: function( wrapper, item, klass, attribute ) {
// If the item is false-y, just return an empty string
if ( !item ) return ''
// If the item is an array, do a join
item = $.isArray( item ) ? item.join( '' ) : item
// Check for the class
klass = klass ? ' class="' + klass + '"' : ''
// Check for any attributes
attribute = attribute ? ' ' + attribute : ''
// Return the wrapped item
return '<' + wrapper + klass + attribute + '>' + item + '</' + wrapper + '>'
}, //node
/**
* Lead numbers below 10 with a zero.
*/
lead: function( number ) {
return ( number < 10 ? '0': '' ) + number
},
/**
* Trigger a function otherwise return the value.
*/
trigger: function( callback, scope, args ) {
return typeof callback == 'function' ? callback.apply( scope, args || [] ) : callback
},
/**
* If the second character is a digit, length is 2 otherwise 1.
*/
digits: function( string ) {
return ( /\d/ ).test( string[ 1 ] ) ? 2 : 1
},
/**
* Tell if something is a date object.
*/
isDate: function( value ) {
return {}.toString.call( value ).indexOf( 'Date' ) > -1 && this.isInteger( value.getDate() )
},
/**
* Tell if something is an integer.
*/
isInteger: function( value ) {
return {}.toString.call( value ).indexOf( 'Number' ) > -1 && value % 1 === 0
},
/**
* Create ARIA attribute strings.
*/
ariaAttr: ariaAttr
} //PickerConstructor._
/**
* Extend the picker with a component and defaults.
*/
PickerConstructor.extend = function( name, Component ) {
// Extend jQuery.
$.fn[ name ] = function( options, action ) {
// Grab the component data.
var componentData = this.data( name )
// If the picker is requested, return the data object.
if ( options == 'picker' ) {
return componentData
}
// If the component data exists and `options` is a string, carry out the action.
if ( componentData && typeof options == 'string' ) {
return PickerConstructor._.trigger( componentData[ options ], componentData, [ action ] )
}
// Otherwise go through each matched element and if the component
// doesn’t exist, create a new picker using `this` element
// and merging the defaults and options with a deep copy.
return this.each( function() {
var $this = $( this )
if ( !$this.data( name ) ) {
new PickerConstructor( this, name, Component, options )
}
})
}
// Set the defaults.
$.fn[ name ].defaults = Component.defaults
} //PickerConstructor.extend
function aria(element, attribute, value) {
if ( $.isPlainObject(attribute) ) {
for ( var key in attribute ) {
ariaSet(element, key, attribute[key])
}
}
else {
ariaSet(element, attribute, value)
}
}
function ariaSet(element, attribute, value) {
element.setAttribute(
(attribute == 'role' ? '' : 'aria-') + attribute,
value
)
}
function ariaAttr(attribute, data) {
if ( !$.isPlainObject(attribute) ) {
attribute = { attribute: data }
}
data = ''
for ( var key in attribute ) {
var attr = (key == 'role' ? '' : 'aria-') + key,
attrVal = attribute[key]
data += attrVal == null ? '' : attr + '="' + attribute[key] + '"'
}
return data
}
// IE8 bug throws an error for activeElements within iframes.
function getActiveElement() {
try {
return document.activeElement
} catch ( err ) { }
}
// Expose the picker constructor.
return PickerConstructor
}));