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/*
* # Semantic - Dropdown
* http://github.com/semantic-org/semantic-ui/
*
*
* Copyright 2014 Contributor
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/
;(function ( $, window, document, undefined ) {
"use strict";
$.fn.dropdown = function(parameters) {
var
$allModules = $(this),
$document = $(document),
moduleSelector = $allModules.selector || '',
hasTouch = ('ontouchstart' in document.documentElement),
time = new Date().getTime(),
performance = [],
query = arguments[0],
methodInvoked = (typeof query == 'string'),
queryArguments = [].slice.call(arguments, 1),
returnedValue
;
$allModules
.each(function() {
var
settings = ( $.isPlainObject(parameters) )
? $.extend(true, {}, $.fn.dropdown.settings, parameters)
: $.extend({}, $.fn.dropdown.settings),
className = settings.className,
metadata = settings.metadata,
namespace = settings.namespace,
selector = settings.selector,
error = settings.error,
eventNamespace = '.' + namespace,
moduleNamespace = 'module-' + namespace,
$module = $(this),
$text = $module.find(selector.text),
$search = $module.find(selector.search),
$input = $module.find(selector.input),
$combo = ($module.prev().find(selector.text).size() > 0)
? $module.prev().find(selector.text)
: $module.prev(),
$menu = $module.children(selector.menu),
$item = $menu.find(selector.item),
activated = false,
itemActivated = false,
element = this,
instance = $module.data(moduleNamespace),
observer,
module
;
module = {
initialize: function() {
module.debug('Initializing dropdown', settings);
module.setup.layout();
module.save.defaults();
module.set.selected();
if(hasTouch) {
module.bind.touchEvents();
}
module.bind.mouseEvents();
module.bind.keyboardEvents();
module.observeChanges();
module.instantiate();
},
instantiate: function() {
module.verbose('Storing instance of dropdown', module);
instance = module;
$module
.data(moduleNamespace, module)
;
},
destroy: function() {
module.verbose('Destroying previous dropdown for', $module);
module.remove.tabbable();
$module
.off(eventNamespace)
.removeData(moduleNamespace)
;
},
observeChanges: function() {
if('MutationObserver' in window) {
observer = new MutationObserver(function(mutations) {
module.debug('DOM tree modified, updating selector cache');
module.refresh();
});
observer.observe(element, {
childList : true,
subtree : true
});
module.debug('Setting up mutation observer', observer);
}
},
setup: {
layout: function() {
if( $module.is('select') ) {
module.setup.select();
}
if( module.is.search() && !module.is.searchable() ) {
$search = $('<input />')
.addClass(className.search)
.insertBefore($text)
;
}
if(settings.allowTab) {
module.set.tabbable();
}
},
select: function() {
var
selectValues = module.get.selectValues()
;
module.debug('Dropdown initialized on a select', selectValues);
// see if select exists inside a dropdown
$input = $module;
if($input.parents(selector.dropdown).size() > 0) {
module.debug('Creating dropdown menu only from template');
$module = $input.closest(selector.dropdown);
if($module.find('.' + className.dropdown).size() === 0) {
$('<div />')
.addClass(className.menu)
.html( settings.templates.menu( selectValues ))
.appendTo($module)
;
}
}
else {
module.debug('Creating entire dropdown from template');
$module = $('<div />')
.attr('class', $input.attr('class') )
.addClass(className.selection)
.addClass(className.dropdown)
.html( settings.templates.dropdown(selectValues) )
.insertBefore($input)
;
$input
.removeAttr('class')
.prependTo($module)
;
}
module.refresh();
}
},
refresh: function() {
$text = $module.find(selector.text);
$search = $module.find(selector.search);
$input = $module.find(selector.input);
$menu = $module.children(selector.menu);
$item = $menu.find(selector.item);
},
toggle: function() {
module.verbose('Toggling menu visibility');
if( !module.is.active() ) {
module.show();
}
else {
module.hide();
}
},
show: function() {
module.debug('Checking if dropdown can show');
if( !module.is.active() ) {
module.animate.show(function() {
if( module.can.click() ) {
module.bind.intent();
}
module.set.visible();
});
$.proxy(settings.onShow, element)();
}
},
hide: function() {
if( module.is.active() ) {
module.debug('Hiding dropdown');
module.animate.hide(function() {
module.remove.visible();
});
$.proxy(settings.onHide, element)();
}
},
hideOthers: function() {
module.verbose('Finding other dropdowns to hide');
$allModules
.not($module)
.has(selector.menu + ':visible:not(.' + className.animating + ')')
.dropdown('hide')
;
},
hideSubMenus: function() {
var
$subMenus = $menu.find(selector.menu)
;
$subMenus.transition('hide');
},
bind: {
keyboardEvents: function() {
module.debug('Binding keyboard events');
$module
.on('keydown' + eventNamespace, module.event.keydown)
;
if( module.is.searchable() ) {
$module
.on(module.get.inputEvent(), selector.search, module.event.input)
;
}
},
touchEvents: function() {
module.debug('Touch device detected binding additional touch events');
if( module.is.searchSelection() ) {
// do nothing special yet
}
else {
$module
.on('touchstart' + eventNamespace, module.event.test.toggle)
;
}
$menu
.on('touchstart' + eventNamespace, selector.item, module.event.item.mouseenter)
;
},
mouseEvents: function() {
module.verbose('Mouse detected binding mouse events');
if( module.is.searchSelection() ) {
$module
.on('mousedown' + eventNamespace, selector.menu, module.event.menu.activate)
.on('mouseup' + eventNamespace, selector.menu, module.event.menu.deactivate)
.on('focus' + eventNamespace, selector.search, module.event.searchFocus)
.on('click' + eventNamespace, selector.search, module.show)
.on('blur' + eventNamespace, selector.search, module.event.searchBlur)
;
}
else {
if(settings.on == 'click') {
$module
.on('click' + eventNamespace, module.event.test.toggle)
;
}
else if(settings.on == 'hover') {
$module
.on('mouseenter' + eventNamespace, module.delay.show)
.on('mouseleave' + eventNamespace, module.delay.hide)
;
}
else {
$module
.on(settings.on + eventNamespace, module.toggle)
;
}
$module
.on('mousedown' + eventNamespace, module.event.mousedown)
.on('mouseup' + eventNamespace, module.event.mouseup)
.on('focus' + eventNamespace, module.event.focus)
.on('blur' + eventNamespace, module.event.blur)
;
}
$menu
.on('mouseenter' + eventNamespace, selector.item, module.event.item.mouseenter)
.on('mouseleave' + eventNamespace, selector.item, module.event.item.mouseleave)
.on('click' + eventNamespace, selector.item, module.event.item.click)
;
},
intent: function() {
module.verbose('Binding hide intent event to document');
if(hasTouch) {
$document
.on('touchstart' + eventNamespace, module.event.test.touch)
.on('touchmove' + eventNamespace, module.event.test.touch)
;
}
$document
.on('click' + eventNamespace, module.event.test.hide)
;
}
},
unbind: {
intent: function() {
module.verbose('Removing hide intent event from document');
if(hasTouch) {
$document
.off('touchstart' + eventNamespace)
.off('touchmove' + eventNamespace)
;
}
$document
.off('click' + eventNamespace)
;
}
},
filter: function(searchTerm) {
var
$results = $(),
exactRegExp = new RegExp('(?:\s|^)' + searchTerm, 'i'),
fullTextRegExp = new RegExp(searchTerm, 'i'),
allItemsFiltered,
$filteredItems
;
$item
.each(function(){
var
$choice = $(this),
text = ( $choice.data(metadata.text) !== undefined )
? $choice.data(metadata.text)
: (settings.preserveHTML)
? $choice.html()
: $choice.text(),
value = ( $choice.data(metadata.value) !== undefined)
? $choice.data(metadata.value)
: (typeof text === 'string')
? text.toLowerCase()
: text
;
if( exactRegExp.test( text ) || exactRegExp.test( value ) ) {
$results = $results.add($choice);
}
else if(settings.fullTextSearch) {
if( fullTextRegExp.test( text ) || fullTextRegExp.test( value ) ) {
$results = $results.add($choice);
}
}
})
;
$filteredItems = $item.not($results);
allItemsFiltered = ($filteredItems.size() == $item.size());
module.remove.filteredItem();
module.remove.selectedItem();
$filteredItems
.addClass(className.filtered)
;
$item
.not('.' + className.filtered)
.eq(0)
.addClass(className.selected)
;
if(allItemsFiltered) {
module.hide();
}
},
focusSearch: function() {
if( module.is.search() ) {
$search
.focus()
;
}
},
event: {
// prevents focus callback from occuring on mousedown
mousedown: function() {
activated = true;
},
mouseup: function() {
activated = false;
},
focus: function() {
if(!activated && module.is.hidden()) {
module.show();
}
},
blur: function(event) {
if(!activated) {
module.hide();
}
},
searchFocus: function() {
activated = true;
module.show();
},
searchBlur: function(event) {
if(!itemActivated) {
module.hide();
}
},
input: function(event) {
var
query = $search.val()
;
if(module.is.searchSelection()) {
if( module.can.show() ) {
module.show();
}
module.set.filtered();
}
module.filter(query);
},
keydown: function(event) {
var
$selectedItem = $item.not(className.filtered).filter('.' + className.selected).eq(0),
$visibleItems = $item.not('.' + className.filtered),
pressedKey = event.which,
keys = {
enter : 13,
escape : 27,
upArrow : 38,
downArrow : 40
},
selectedClass = className.selected,
currentIndex = $visibleItems.index( $selectedItem ),
hasSelectedItem = ($selectedItem.size() > 0),
$nextItem,
newIndex
;
// default to activated choice if no selection present
if(!hasSelectedItem) {
$selectedItem = $item.filter('.' + className.active).eq(0);
hasSelectedItem = ($selectedItem.size() > 0);
}
// close shortcuts
if(pressedKey == keys.escape) {
module.verbose('Escape key pressed, closing dropdown');
module.hide();
}
// result shortcuts
if(module.is.visible()) {
if(pressedKey == keys.enter && hasSelectedItem) {
module.verbose('Enter key pressed, choosing selected item');
$.proxy(module.event.item.click, $selectedItem)(event);
event.preventDefault();
return false;
}
else if(pressedKey == keys.upArrow) {
if(!hasSelectedItem) {
$nextItem = $visibleItems.eq(0);
}
else {
$nextItem = $selectedItem.prevAll(selector.item + ':not(.' + className.filtered + ')').eq(0);
}
if(currentIndex !== 0) {
module.verbose('Up key pressed, changing active item');
$item
.removeClass(selectedClass)
;
$nextItem
.addClass(selectedClass)
;
module.set.scrollPosition($nextItem);
}
event.preventDefault();
}
else if(pressedKey == keys.downArrow) {
if(!hasSelectedItem) {
$nextItem = $visibleItems.eq(0);
}
else {
$nextItem = $selectedItem.nextAll(selector.item + ':not(.' + className.filtered + ')').eq(0);
}
if(currentIndex + 1 < $visibleItems.size() ) {
module.verbose('Down key pressed, changing active item');
$item
.removeClass(selectedClass)
;
$nextItem
.addClass(selectedClass)
;
module.set.scrollPosition($nextItem);
}
event.preventDefault();
}
}
else {
if(pressedKey == keys.enter) {
module.show();
}
}
},
test: {
toggle: function(event) {
if( module.determine.eventInMenu(event, module.toggle) ) {
event.preventDefault();
}
},
touch: function(event) {
module.determine.eventInMenu(event, function() {
if(event.type == 'touchstart') {
module.timer = setTimeout(module.hide, settings.delay.touch);
}
else if(event.type == 'touchmove') {
clearTimeout(module.timer);
}
});
event.stopPropagation();
},
hide: function(event) {
module.determine.eventInModule(event, module.hide);
}
},
menu: {
activate: function() {
itemActivated = true;
},
deactivate: function() {
itemActivated = false;
}
},
item: {
mouseenter: function(event) {
var
$currentMenu = $(this).children(selector.menu),
$otherMenus = $(this).siblings(selector.item).children(selector.menu)
;
if( $currentMenu.size() > 0 ) {
clearTimeout(module.itemTimer);
module.itemTimer = setTimeout(function() {
$.each($otherMenus, function() {
module.animate.hide(false, $(this));
});
module.verbose('Showing sub-menu', $currentMenu);
module.animate.show(false, $currentMenu);
}, settings.delay.show);
event.preventDefault();
}
},
mouseleave: function(event) {
var
$currentMenu = $(this).children(selector.menu)
;
if($currentMenu.size() > 0) {
clearTimeout(module.itemTimer);
module.itemTimer = setTimeout(function() {
module.verbose('Hiding sub-menu', $currentMenu);
module.animate.hide(false, $currentMenu);
}, settings.delay.hide);
}
},
click: function (event) {
var
$choice = $(this),
text = ( $choice.data(metadata.text) !== undefined )
? $choice.data(metadata.text)
: (settings.preserveHTML)
? $choice.html()
: $choice.text(),
value = ( $choice.data(metadata.value) !== undefined)
? $choice.data(metadata.value)
: (typeof text === 'string')
? text.toLowerCase()
: text,
callback = function() {
module.remove.searchTerm();
module.remove.filteredItem();
module.determine.selectAction(text, value);
},
openingSubMenu = ($choice.find(selector.menu).size() > 0)
;
if( !openingSubMenu ) {
callback();
}
}
},
resetStyle: function() {
$(this).removeAttr('style');
}
},
determine: {
selectAction: function(text, value) {
module.verbose('Determining action', settings.action);
if( $.isFunction( module.action[settings.action] ) ) {
module.verbose('Triggering preset action', settings.action, text, value);
module.action[ settings.action ](text, value);
}
else if( $.isFunction(settings.action) ) {
module.verbose('Triggering user action', settings.action, text, value);
settings.action(text, value);
}
else {
module.error(error.action, settings.action);
}
},
eventInModule: function(event, callback) {
callback = callback || function(){};
if( $(event.target).closest($module).size() === 0 ) {
module.verbose('Triggering event', callback);
callback();
return true;
}
else {
module.verbose('Event occurred in dropdown, canceling callback');
return false;
}
},
eventInMenu: function(event, callback) {
callback = callback || function(){};
if( $(event.target).closest($menu).size() === 0 ) {
module.verbose('Triggering event', callback);
callback();
return true;
}
else {
module.verbose('Event occurred in dropdown menu, canceling callback');
return false;
}
}
},
action: {
nothing: function() {},
hide: function() {
module.hide();
},
select: function(text, value) {
value = (value !== undefined)
? value
: text
;
module.set.selected(value);
module.set.value(value);
module.hide();
},
activate: function(text, value) {
value = (value !== undefined)
? value
: text
;
module.set.selected(value);
module.set.value(value);
module.hide();
},
combo: function(text, value) {
value = (value !== undefined)
? value
: text
;
module.set.selected(value);
module.set.value(value);
module.hide();
}
},
get: {
text: function() {
return $text.text();
},
value: function() {
return ($input.size() > 0)
? $input.val()
: $module.data(metadata.value)
;
},
inputEvent: function() {
var
input = $search[0]
;
if(input) {
return (input.oninput !== undefined)
? 'input'
: (input.onpropertychange !== undefined)
? 'propertychange'
: 'keyup'
;
}
return false;
},
selectValues: function() {
var
select = {
values : {}
}
;
$module
.find('option')
.each(function() {
var
name = $(this).html(),
value = ( $(this).attr('value') !== undefined )
? $(this).attr('value')
: name
;
if(value === '') {
select.placeholder = name;
}
else {
select.values[value] = name;
}
})
;
module.debug('Retrieved values from select', select);
return select;
},
item: function(value, strict) {
var
$selectedItem = false
;
value = (value !== undefined)
? value
: ( module.get.value() !== undefined)
? module.get.value()
: module.get.text()
;
strict = (value === '' || value === 0)
? true
: strict || false
;
if(value !== undefined) {
$item
.each(function() {
var
$choice = $(this),
optionText = ( $choice.data(metadata.text) !== undefined )
? $choice.data(metadata.text)
: (settings.preserveHTML)
? $choice.html()
: $choice.text(),
optionValue = ( $choice.data(metadata.value) !== undefined )
? $choice.data(metadata.value)
: (typeof optionText === 'string')
? optionText.toLowerCase()
: optionText
;
if(strict) {
module.verbose('Ambiguous dropdown value using strict type check', $choice, value);
if( optionValue === value ) {
$selectedItem = $(this);
}
else if( !$selectedItem && optionText === value ) {
$selectedItem = $(this);
}
}
else {
if( optionValue == value ) {
module.verbose('Found select item by value', optionValue, value);
$selectedItem = $(this);
}
else if( !$selectedItem && optionText == value ) {
module.verbose('Found select item by text', optionText, value);
$selectedItem = $(this);
}
}
})
;
}
else {
value = module.get.text();
}
return $selectedItem || false;
}
},
restore: {
defaults: function() {
module.restore.defaultText();
module.restore.defaultValue();
},
defaultText: function() {
var
defaultText = $module.data(metadata.defaultText)
;
module.debug('Restoring default text', defaultText);
module.set.text(defaultText);
},
defaultValue: function() {
var
defaultValue = $module.data(metadata.defaultValue)
;
if(defaultValue !== undefined) {
module.debug('Restoring default value', defaultValue);
module.set.selected(defaultValue);
module.set.value(defaultValue);
}
}
},
save: {
defaults: function() {
module.save.defaultText();
module.save.defaultValue();
},
defaultValue: function() {
$module.data(metadata.defaultValue, module.get.value() );
},
defaultText: function() {
$module.data(metadata.defaultText, $text.text() );
}
},
set: {
filtered: function() {
$text.addClass(className.filtered);
},
tabbable: function() {
if( module.is.searchable() ) {
module.debug('Searchable dropdown initialized');
$search
.val('')
.attr('tabindex', 0)
;
$menu
.attr('tabindex', '-1')
;
}
else {
module.debug('Simple selection dropdown initialized');
if(!$module.attr('tabindex') ) {
$module
.attr('tabindex', 0)
;
$menu
.attr('tabindex', '-1')
;
}
}
},
scrollPosition: function($item) {
var
$item = $item || module.get.item(),
hasActive = ($item && $item.size() > 0),
edgeTolerance = 5,
offset,
itemHeight,
itemOffset,
menuOffset,
menuScroll,
menuHeight,
abovePage,
belowPage
;
if($item && hasActive) {
menuHeight = $menu.height();
itemHeight = $item.height();
menuScroll = $menu.scrollTop();
menuOffset = $menu.offset().top;
itemOffset = $item.offset().top;
offset = menuScroll - menuOffset + itemOffset;
belowPage = menuScroll + menuHeight < (offset + edgeTolerance);
abovePage = ((offset - edgeTolerance) < menuScroll);
if(abovePage || belowPage) {
module.debug('Scrolling to active item');
$menu
.scrollTop(offset)
;
}
}
},
text: function(text) {
if(settings.action == 'combo') {
module.debug('Changing combo button text', text, $combo);
if(settings.preserveHTML) {
$combo.html(text);
}
else {
$combo.text(text);
}
}
else if(settings.action !== 'select') {
module.debug('Changing text', text, $text);
$text
.removeClass(className.filtered)
.removeClass(className.placeholder)
;
if(settings.preserveHTML) {
$text.html(text);
}
else {
$text.text(text);
}
}
},
value: function(value) {
module.debug('Adding selected value to hidden input', value, $input);
if($input.size() > 0) {
$input
.val(value)
.trigger('change')
;
}
else {
$module.data(metadata.value, value);
}
},
active: function() {
$module
.addClass(className.active)
;
},
visible: function() {
$module.addClass(className.visible);
},
selected: function(value) {
var
$selectedItem = module.get.item(value),
selectedText
;
if($selectedItem) {
module.debug('Setting selected menu item to', $selectedItem);
selectedText = ($selectedItem.data(metadata.text) !== undefined)
? $selectedItem.data(metadata.text)
: (settings.preserveHTML)
? $selectedItem.html()
: $selectedItem.text()
;
module.remove.activeItem();
module.remove.selectedItem();
$selectedItem
.addClass(className.active)
.addClass(className.selected)
;
module.set.text(selectedText);
$.proxy(settings.onChange, element)(value, selectedText, $selectedItem);
}
}
},
remove: {
active: function() {
$module.removeClass(className.active);
},
visible: function() {
$module.removeClass(className.visible);
},
activeItem: function() {
$item.removeClass(className.active);
},
filteredItem: function() {
$item.removeClass(className.filtered);
},
searchTerm: function() {
$search.val('');
},
selectedItem: function() {
$item.removeClass(className.selected);
},
tabbable: function() {
if( module.is.searchable() ) {
module.debug('Searchable dropdown initialized');
$search
.attr('tabindex', '-1')
;
$menu
.attr('tabindex', '-1')
;
}
else {
module.debug('Simple selection dropdown initialized');
$module
.attr('tabindex', '-1')
;
$menu
.attr('tabindex', '-1')
;
}
}
},
is: {
search: function() {
return $module.hasClass(className.search);
},
searchable: function() {
return ($search.size() > 0);
},
searchSelection: function() {
return ( module.is.searchable() && $search.parent().is($module) );
},
selection: function() {
return $module.hasClass(className.selection);
},
animating: function($subMenu) {
return ($subMenu)
? $subMenu.is(':animated') || $subMenu.transition && $subMenu.transition('is animating')
: $menu.is(':animated') || $menu.transition && $menu.transition('is animating')
;
},
active: function() {
return $module.hasClass(className.active);
},
visible: function($subMenu) {
return ($subMenu)
? $subMenu.is(':visible')
: $menu.is(':visible')
;
},
hidden: function($subMenu) {
return ($subMenu)
? $subMenu.is(':hidden')
: $menu.is(':hidden')
;
}
},
can: {
click: function() {
return (hasTouch || settings.on == 'click');
},
show: function() {
return !$module.hasClass(className.disabled);
}
},
animate: {
show: function(callback, $subMenu) {
var
$currentMenu = $subMenu || $menu,
start = ($subMenu)
? function() {}
: function() {
module.hideSubMenus();
module.hideOthers();
module.set.active();
module.set.scrollPosition();
}
;
callback = callback || function(){};
module.verbose('Doing menu show animation', $currentMenu);
if( module.is.hidden($currentMenu) || module.is.animating($currentMenu) ) {
if(settings.transition == 'none') {
$.proxy(callback, element)();
}
else if($.fn.transition !== undefined && $module.transition('is supported')) {
$currentMenu
.transition({
animation : settings.transition + ' in',
debug : settings.debug,
verbose : settings.verbose,
duration : settings.duration,
queue : true,
onStart : start,
onComplete : function() {
$.proxy(callback, element)();
}
})
;
}
else if(settings.transition == 'slide down') {
start();
$currentMenu
.hide()
.clearQueue()
.children()
.clearQueue()
.css('opacity', 0)
.delay(50)
.animate({
opacity : 1
}, settings.duration, 'easeOutQuad', module.event.resetStyle)
.end()
.slideDown(100, 'easeOutQuad', function() {
$.proxy(module.event.resetStyle, this)();
$.proxy(callback, element)();
})
;
}
else if(settings.transition == 'fade') {
start();
$currentMenu
.hide()
.clearQueue()
.fadeIn(settings.duration, function() {
$.proxy(module.event.resetStyle, this)();
$.proxy(callback, element)();
})
;
}
else {
module.error(error.transition, settings.transition);
}
}
},
hide: function(callback, $subMenu) {
var
$currentMenu = $subMenu || $menu,
duration = ($subMenu)
? (settings.duration * 0.9)
: settings.duration,
start = ($subMenu)
? function() {}
: function() {
if( module.can.click() ) {
module.unbind.intent();
}
module.focusSearch();
module.remove.active();
}
;
callback = callback || function(){};
if( module.is.visible($currentMenu) || module.is.animating($currentMenu) ) {
module.verbose('Doing menu hide animation', $currentMenu);
if(settings.transition == 'none') {
$.proxy(callback, element)();
}
else if($.fn.transition !== undefined && $module.transition('is supported')) {
$currentMenu
.transition({
animation : settings.transition + ' out',
duration : settings.duration,
debug : settings.debug,
verbose : settings.verbose,
queue : true,
onStart : start,
onComplete : function() {
$.proxy(callback, element)();
}
})
;
}
else if(settings.transition == 'slide down') {
start();
$currentMenu
.show()
.clearQueue()
.children()
.clearQueue()
.css('opacity', 1)
.animate({
opacity : 0
}, 100, 'easeOutQuad', module.event.resetStyle)
.end()
.delay(50)
.slideUp(100, 'easeOutQuad', function() {
$.proxy(module.event.resetStyle, this)();
$.proxy(callback, element)();
})
;
}
else if(settings.transition == 'fade') {
start();
$currentMenu
.show()
.clearQueue()
.fadeOut(150, function() {
$.proxy(module.event.resetStyle, this)();
$.proxy(callback, element)();
})
;
}
else {
module.error(error.transition);
}
}
}
},
delay: {
show: function() {
module.verbose('Delaying show event to ensure user intent');
clearTimeout(module.timer);
module.timer = setTimeout(module.show, settings.delay.show);
},
hide: function() {
module.verbose('Delaying hide event to ensure user intent');
clearTimeout(module.timer);
module.timer = setTimeout(module.hide, settings.delay.hide);
}
},
setting: function(name, value) {
module.debug('Changing setting', name, value);
if( $.isPlainObject(name) ) {
$.extend(true, settings, name);
}
else if(value !== undefined) {
settings[name] = value;
}
else {
return settings[name];
}
},
internal: function(name, value) {
if( $.isPlainObject(name) ) {
$.extend(true, module, name);
}
else if(value !== undefined) {
module[name] = value;
}
else {
return module[name];
}
},
debug: function() {
if(settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.debug.apply(console, arguments);
}
}
},
verbose: function() {
if(settings.verbose && settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.verbose.apply(console, arguments);
}
}
},
error: function() {
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
module.error.apply(console, arguments);
},
performance: {
log: function(message) {
var
currentTime,
executionTime,
previousTime
;
if(settings.performance) {
currentTime = new Date().getTime();
previousTime = time || currentTime;
executionTime = currentTime - previousTime;
time = currentTime;
performance.push({
'Name' : message[0],
'Arguments' : [].slice.call(message, 1) || '',
'Element' : element,
'Execution Time' : executionTime
});
}
clearTimeout(module.performance.timer);
module.performance.timer = setTimeout(module.performance.display, 100);
},
display: function() {
var
title = settings.name + ':',
totalTime = 0
;
time = false;
clearTimeout(module.performance.timer);
$.each(performance, function(index, data) {
totalTime += data['Execution Time'];
});
title += ' ' + totalTime + 'ms';
if(moduleSelector) {
title += ' \'' + moduleSelector + '\'';
}
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
console.groupCollapsed(title);
if(console.table) {
console.table(performance);
}
else {
$.each(performance, function(index, data) {
console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
});
}
console.groupEnd();
}
performance = [];
}
},
invoke: function(query, passedArguments, context) {
var
object = instance,
maxDepth,
found,
response
;
passedArguments = passedArguments || queryArguments;
context = element || context;
if(typeof query == 'string' && object !== undefined) {
query = query.split(/[\. ]/);
maxDepth = query.length - 1;
$.each(query, function(depth, value) {
var camelCaseValue = (depth != maxDepth)
? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
: query
;
if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
object = object[camelCaseValue];
}
else if( object[camelCaseValue] !== undefined ) {
found = object[camelCaseValue];
return false;
}
else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
object = object[value];
}
else if( object[value] !== undefined ) {
found = object[value];
return false;
}
else {
module.error(error.method, query);
return false;
}
});
}
if ( $.isFunction( found ) ) {
response = found.apply(context, passedArguments);
}
else if(found !== undefined) {
response = found;
}
if($.isArray(returnedValue)) {
returnedValue.push(response);
}
else if(returnedValue !== undefined) {
returnedValue = [returnedValue, response];
}
else if(response !== undefined) {
returnedValue = response;
}
return found;
}
};
if(methodInvoked) {
if(instance === undefined) {
module.initialize();
}
module.invoke(query);
}
else {
if(instance !== undefined) {
module.destroy();
}
module.initialize();
}
})
;
return (returnedValue !== undefined)
? returnedValue
: this
;
};
$.fn.dropdown.settings = {
debug : false,
verbose : true,
performance : true,
on : 'click',
action : 'activate',
allowTab : true,
fullTextSearch : true,
preserveHTML : true,
delay : {
show : 200,
hide : 300,
touch : 50
},
transition : 'slide down',
duration : 250,
/* Callbacks */
onChange : function(value, text){},
onShow : function(){},
onHide : function(){},
/* Component */
name : 'Dropdown',
namespace : 'dropdown',
error : {
action : 'You called a dropdown action that was not defined',
method : 'The method you called is not defined.',
transition : 'The requested transition was not found'
},
metadata: {
defaultText : 'defaultText',
defaultValue : 'defaultValue',
text : 'text',
value : 'value'
},
selector : {
dropdown : '.ui.dropdown',
text : '> .text:not(.icon)',
input : '> input[type="hidden"], > select',
search : '> input.search, .menu > .search > input, .menu > input.search',
menu : '.menu',
item : '.item'
},
className : {
active : 'active',
animating : 'animating',
disabled : 'disabled',
dropdown : 'ui dropdown',
filtered : 'filtered',
menu : 'menu',
placeholder : 'default',
search : 'search',
selected : 'selected',
selection : 'selection',
visible : 'visible'
}
};
/* Templates */
$.fn.dropdown.settings.templates = {
menu: function(select) {
var
placeholder = select.placeholder || false,
values = select.values || {},
html = ''
;
$.each(select.values, function(value, name) {
html += '<div class="item" data-value="' + value + '">' + name + '</div>';
});
return html;
},
dropdown: function(select) {
var
placeholder = select.placeholder || false,
values = select.values || {},
html = ''
;
html += '<i class="dropdown icon"></i>';
if(select.placeholder) {
html += '<div class="default text">' + placeholder + '</div>';
}
else {
html += '<div class="text"></div>';
}
html += '<div class="menu">';
$.each(select.values, function(value, name) {
html += '<div class="item" data-value="' + value + '">' + name + '</div>';
});
html += '</div>';
return html;
}
};
/* Dependencies */
$.extend( $.easing, {
easeOutQuad: function (x, t, b, c, d) {
return -c *(t/=d)*(t-2) + b;
},
});
})( jQuery, window , document );