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/*! jquery.selectBoxIt - v3.8.1 - 2013-10-17
* http://www.selectboxit.com
* Copyright (c) 2013 Greg Franko; Licensed MIT*/
// Immediately-Invoked Function Expression (IIFE) [Ben Alman Blog Post](http://benalman.com/news/2010/11/immediately-invoked-function-expression/) that calls another IIFE that contains all of the plugin logic. I used this pattern so that anyone viewing this code would not have to scroll to the bottom of the page to view the local parameters that were passed to the main IIFE.
;(function (selectBoxIt) {
//ECMAScript 5 Strict Mode: [John Resig Blog Post](http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/)
"use strict";
// Calls the second IIFE and locally passes in the global jQuery, window, and document objects
selectBoxIt(window.jQuery, window, document);
}
// Locally passes in `jQuery`, the `window` object, the `document` object, and an `undefined` variable. The `jQuery`, `window` and `document` objects are passed in locally, to improve performance, since javascript first searches for a variable match within the local variables set before searching the global variables set. All of the global variables are also passed in locally to be minifier friendly. `undefined` can be passed in locally, because it is not a reserved word in JavaScript.
(function ($, window, document, undefined) {
// ECMAScript 5 Strict Mode: [John Resig Blog Post](http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/)
"use strict";
// Calling the jQueryUI Widget Factory Method
$.widget("selectBox.selectBoxIt", {
// Plugin version
VERSION: "3.8.1",
// These options will be used as defaults
options: {
// **showEffect**: Accepts String: "none", "fadeIn", "show", "slideDown", or any of the jQueryUI show effects (i.e. "bounce")
"showEffect": "none",
// **showEffectOptions**: Accepts an object literal. All of the available properties are based on the jqueryUI effect options
"showEffectOptions": {},
// **showEffectSpeed**: Accepts Number (milliseconds) or String: "slow", "medium", or "fast"
"showEffectSpeed": "medium",
// **hideEffect**: Accepts String: "none", "fadeOut", "hide", "slideUp", or any of the jQueryUI hide effects (i.e. "explode")
"hideEffect": "none",
// **hideEffectOptions**: Accepts an object literal. All of the available properties are based on the jqueryUI effect options
"hideEffectOptions": {},
// **hideEffectSpeed**: Accepts Number (milliseconds) or String: "slow", "medium", or "fast"
"hideEffectSpeed": "medium",
// **showFirstOption**: Shows the first dropdown list option within the dropdown list options list
"showFirstOption": true,
// **defaultText**: Overrides the text used by the dropdown list selected option to allow a user to specify custom text. Accepts a String.
"defaultText": "",
// **defaultIcon**: Overrides the icon used by the dropdown list selected option to allow a user to specify a custom icon. Accepts a String (CSS class name(s)).
"defaultIcon": "",
// **downArrowIcon**: Overrides the default down arrow used by the dropdown list to allow a user to specify a custom image. Accepts a String (CSS class name(s)).
"downArrowIcon": "",
// **theme**: Provides theming support for Twitter Bootstrap and jQueryUI
"theme": "default",
// **keydownOpen**: Opens the dropdown if the up or down key is pressed when the dropdown is focused
"keydownOpen": true,
// **isMobile**: Function to determine if a user's browser is a mobile browser
"isMobile": function() {
// Adapted from http://www.detectmobilebrowsers.com
var ua = navigator.userAgent || navigator.vendor || window.opera;
// Checks for iOs, Android, Blackberry, Opera Mini, and Windows mobile devices
return (/iPhone|iPod|iPad|Silk|Android|BlackBerry|Opera Mini|IEMobile/).test(ua);
},
// **native**: Triggers the native select box when a user interacts with the drop down
"native": false,
// **aggressiveChange**: Will select a drop down item (and trigger a change event) when a user navigates to the item via the keyboard (up and down arrow or search), before a user selects an option with a click or the enter key
"aggressiveChange": false,
// **selectWhenHidden: Will allow a user to select an option using the keyboard when the drop down list is hidden and focused
"selectWhenHidden": true,
// **viewport**: Allows for a custom domnode used for the viewport. Accepts a selector. Default is $(window).
"viewport": $(window),
// **similarSearch**: Optimizes the search for lists with many similar values (i.e. State lists) by making it easier to navigate through
"similarSearch": false,
// **copyAttributes**: HTML attributes that will be copied over to the new drop down
"copyAttributes": [
"title",
"rel"
],
// **copyClasses**: HTML classes that will be copied over to the new drop down. The value indicates where the classes should be copied. The default value is 'button', but you can also use 'container' (recommended) or 'none'.
"copyClasses": "button",
// **nativeMousedown**: Mimics native firefox drop down behavior by opening the drop down on mousedown and selecting the currently hovered drop down option on mouseup
"nativeMousedown": false,
// **customShowHideEvent**: Prevents the drop down from opening on click or mousedown, which allows a user to open/close the drop down with a custom event handler.
"customShowHideEvent": false,
// **autoWidth**: Makes sure the width of the drop down is wide enough to fit all of the drop down options
"autoWidth": true,
// **html**: Determines whether or not option text is rendered as html or as text
"html": true,
// **populate**: Convenience option that accepts JSON data, an array, a single object, or valid HTML string to add options to the drop down list
"populate": "",
// **dynamicPositioning**: Determines whether or not the drop down list should fit inside it's viewport
"dynamicPositioning": true,
// **hideCurrent**: Determines whether or not the currently selected drop down option is hidden in the list
"hideCurrent": false
},
// Get Themes
// ----------
// Retrieves the active drop down theme and returns the theme object
"getThemes": function() {
var self = this,
theme = $(self.element).attr("data-theme") || "c";
return {
// Twitter Bootstrap Theme
"bootstrap": {
"focus": "active",
"hover": "",
"enabled": "enabled",
"disabled": "disabled",
"arrow": "caret",
"button": "btn",
"list": "dropdown-menu",
"container": "bootstrap",
"open": "open"
},
// jQueryUI Theme
"jqueryui": {
"focus": "ui-state-focus",
"hover": "ui-state-hover",
"enabled": "ui-state-enabled",
"disabled": "ui-state-disabled",
"arrow": "ui-icon ui-icon-triangle-1-s",
"button": "ui-widget ui-state-default",
"list": "ui-widget ui-widget-content",
"container": "jqueryui",
"open": "selectboxit-open"
},
// jQuery Mobile Theme
"jquerymobile": {
"focus": "ui-btn-down-" + theme,
"hover": "ui-btn-hover-" + theme,
"enabled": "ui-enabled",
"disabled": "ui-disabled",
"arrow": "ui-icon ui-icon-arrow-d ui-icon-shadow",
"button": "ui-btn ui-btn-icon-right ui-btn-corner-all ui-shadow ui-btn-up-" + theme,
"list": "ui-btn ui-btn-icon-right ui-btn-corner-all ui-shadow ui-btn-up-" + theme,
"container": "jquerymobile",
"open": "selectboxit-open"
},
"default": {
"focus": "selectboxit-focus",
"hover": "selectboxit-hover",
"enabled": "selectboxit-enabled",
"disabled": "selectboxit-disabled",
"arrow": "selectboxit-default-arrow",
"button": "selectboxit-btn",
"list": "selectboxit-list",
"container": "selectboxit-container",
"open": "selectboxit-open"
}
};
},
// isDeferred
// ----------
// Checks if parameter is a defered object
isDeferred: function(def) {
return $.isPlainObject(def) && def.promise && def.done;
},
// _Create
// -------
// Sets the Plugin Instance variables and
// constructs the plugin. Only called once.
_create: function(internal) {
var self = this,
populateOption = self.options["populate"],
userTheme = self.options["theme"];
// If the element calling SelectBoxIt is not a select box or is not visible
if(!self.element.is("select")) {
// Exits the plugin
return;
}
// Stores a reference to the parent Widget class
self.widgetProto = $.Widget.prototype;
// The original select box DOM element
self.originalElem = self.element[0];
// The original select box DOM element wrapped in a jQuery object
self.selectBox = self.element;
if(self.options["populate"] && self.add && !internal) {
self.add(populateOption);
}
// All of the original select box options
self.selectItems = self.element.find("option");
// The first option in the original select box
self.firstSelectItem = self.selectItems.slice(0, 1);
// The html document height
self.documentHeight = $(document).height();
self.theme = $.isPlainObject(userTheme) ? $.extend({}, self.getThemes()["default"], userTheme) : self.getThemes()[userTheme] ? self.getThemes()[userTheme] : self.getThemes()["default"];
// The index of the currently selected dropdown list option
self.currentFocus = 0;
// Keeps track of which blur events will hide the dropdown list options
self.blur = true;
// Array holding all of the original select box options text
self.textArray = [];
// Maintains search order in the `search` method
self.currentIndex = 0;
// Maintains the current search text in the `search` method
self.currentText = "";
// Whether or not the dropdown list opens up or down (depending on how much room is on the page)
self.flipped = false;
// If the create method is not called internally by the plugin
if(!internal) {
// Saves the original select box `style` attribute within the `selectBoxStyles` plugin instance property
self.selectBoxStyles = self.selectBox.attr("style");
}
// Creates the dropdown elements that will become the dropdown
// Creates the ul element that will become the dropdown options list
// Add's all attributes (excluding id, class names, and unselectable properties) to the drop down and drop down items list
// Hides the original select box and adds the new plugin DOM elements to the page
// Adds event handlers to the new dropdown list
self._createDropdownButton()._createUnorderedList()._copyAttributes()._replaceSelectBox()._addClasses(self.theme)._eventHandlers();
if(self.originalElem.disabled && self.disable) {
// Disables the dropdown list if the original dropdown list had the `disabled` attribute
self.disable();
}
// If the Aria Accessibility Module has been included
if(self._ariaAccessibility) {
// Adds ARIA accessibillity tags to the dropdown list
self._ariaAccessibility();
}
self.isMobile = self.options["isMobile"]();
if(self._mobile) {
// Adds mobile support
self._mobile();
}
// If the native option is set to true
if(self.options["native"]) {
// Triggers the native select box when a user is interacting with the drop down
this._applyNativeSelect();
}
// Triggers a custom `create` event on the original dropdown list
self.triggerEvent("create");
// Maintains chainability
return self;
},
// _Create dropdown button
// -----------------------
// Creates new dropdown and dropdown elements to replace
// the original select box with a dropdown list
_createDropdownButton: function() {
var self = this,
originalElemId = self.originalElemId = self.originalElem.id || "",
originalElemValue = self.originalElemValue = self.originalElem.value || "",
originalElemName = self.originalElemName = self.originalElem.name || "",
copyClasses = self.options["copyClasses"],
selectboxClasses = self.selectBox.attr("class") || "";
// Creates a dropdown element that contains the dropdown list text value
self.dropdownText = $("<span/>", {
// Dynamically sets the dropdown `id` attribute
"id": originalElemId && originalElemId + "SelectBoxItText",
"class": "selectboxit-text",
// IE specific attribute to not allow the element to be selected
"unselectable": "on",
// Sets the dropdown `text` to equal the original select box default value
"text": self.firstSelectItem.text()
}).
// Sets the HTML5 data attribute on the dropdownText `dropdown` element
attr("data-val", originalElemValue);
self.dropdownImageContainer = $("<span/>", {
"class": "selectboxit-option-icon-container"
});
// Creates a dropdown element that contains the dropdown list text value
self.dropdownImage = $("<i/>", {
// Dynamically sets the dropdown `id` attribute
"id": originalElemId && originalElemId + "SelectBoxItDefaultIcon",
"class": "selectboxit-default-icon",
// IE specific attribute to not allow the element to be selected
"unselectable": "on"
});
// Creates a dropdown to act as the new dropdown list
self.dropdown = $("<span/>", {
// Dynamically sets the dropdown `id` attribute
"id": originalElemId && originalElemId + "SelectBoxIt",
"class": "selectboxit " + (copyClasses === "button" ? selectboxClasses: "") + " " + (self.selectBox.prop("disabled") ? self.theme["disabled"]: self.theme["enabled"]),
// Sets the dropdown `name` attribute to be the same name as the original select box
"name": originalElemName,
// Sets the dropdown `tabindex` attribute to 0 to allow the dropdown to be focusable
"tabindex": self.selectBox.attr("tabindex") || "0",
// IE specific attribute to not allow the element to be selected
"unselectable": "on"
}).
// Appends the default text to the inner dropdown list dropdown element
append(self.dropdownImageContainer.append(self.dropdownImage)).append(self.dropdownText);
// Create the dropdown container that will hold all of the dropdown list dom elements
self.dropdownContainer = $("<span/>", {
"id": originalElemId && originalElemId + "SelectBoxItContainer",
"class": 'selectboxit-container ' + self.theme.container + ' ' + (copyClasses === "container" ? selectboxClasses: "")
}).
// Appends the inner dropdown list dropdown element to the dropdown list container dropdown element
append(self.dropdown);
// Maintains chainability
return self;
},
// _Create Unordered List
// ----------------------
// Creates an unordered list element to hold the
// new dropdown list options that directly match
// the values of the original select box options
_createUnorderedList: function() {
// Storing the context of the widget
var self = this,
dataDisabled,
optgroupClass,
optgroupElement,
iconClass,
iconUrl,
iconUrlClass,
iconUrlStyle,
// Declaring the variable that will hold all of the dropdown list option elements
currentItem = "",
originalElemId = self.originalElemId || "",
// Creates an unordered list element
createdList = $("<ul/>", {
// Sets the unordered list `id` attribute
"id": originalElemId && originalElemId + "SelectBoxItOptions",
"class": "selectboxit-options",
//Sets the unordered list `tabindex` attribute to -1 to prevent the unordered list from being focusable
"tabindex": -1
}),
currentDataSelectedText,
currentDataText,
currentDataSearch,
currentText,
currentOption,
parent;
// Checks the `showFirstOption` plugin option to determine if the first dropdown list option should be shown in the options list.
if (!self.options["showFirstOption"]) {
// Disables the first select box option
self.selectItems.first().attr("disabled", "disabled");
// Excludes the first dropdown list option from the options list
self.selectItems = self.selectBox.find("option").slice(1);
}
// Loops through the original select box options list and copies the text of each
// into new list item elements of the new dropdown list
self.selectItems.each(function(index) {
currentOption = $(this);
optgroupClass = "";
optgroupElement = "";
dataDisabled = currentOption.prop("disabled");
iconClass = currentOption.attr("data-icon") || "";
iconUrl = currentOption.attr("data-iconurl") || "";
iconUrlClass = iconUrl ? "selectboxit-option-icon-url": "";
iconUrlStyle = iconUrl ? 'style="background-image:url(\'' + iconUrl + '\');"': "";
currentDataSelectedText = currentOption.attr("data-selectedtext");
currentDataText = currentOption.attr("data-text");
currentText = currentDataText ? currentDataText: currentOption.text();
parent = currentOption.parent();
// If the current option being traversed is within an optgroup
if(parent.is("optgroup")) {
optgroupClass = "selectboxit-optgroup-option";
if(currentOption.index() === 0) {
optgroupElement = '<span class="selectboxit-optgroup-header ' + parent.first().attr("class") + '"data-disabled="true">' + parent.first().attr("label") + '</span>';
}
}
currentOption.attr("value", this.value);
// Uses string concatenation for speed (applies HTML attribute encoding)
currentItem += optgroupElement + '<li data-id="' + index + '" data-val="' + this.value + '" data-disabled="' + dataDisabled + '" class="' + optgroupClass + " selectboxit-option " + ($(this).attr("class") || "") + '"><a class="selectboxit-option-anchor"><span class="selectboxit-option-icon-container"><i class="selectboxit-option-icon ' + iconClass + ' ' + (iconUrlClass || self.theme["container"]) + '"' + iconUrlStyle + '></i></span>' + (self.options["html"] ? currentText: self.htmlEscape(currentText)) + '</a></li>';
currentDataSearch = currentOption.attr("data-search");
// Stores all of the original select box options text inside of an array
// (Used later in the `searchAlgorithm` method)
self.textArray[index] = dataDisabled ? "": currentDataSearch ? currentDataSearch: currentText;
// Checks the original select box option for the `selected` attribute
if (this.selected) {
// Replaces the default text with the selected option text
self._setText(self.dropdownText, currentDataSelectedText || currentText);
//Set the currently selected option
self.currentFocus = index;
}
});
// If the `defaultText` option is being used
if ((self.options["defaultText"] || self.selectBox.attr("data-text"))) {
var defaultedText = self.options["defaultText"] || self.selectBox.attr("data-text");
// Overrides the current dropdown default text with the value the user specifies in the `defaultText` option
self._setText(self.dropdownText, defaultedText);
self.options["defaultText"] = defaultedText;
}
// Append the list item to the unordered list
createdList.append(currentItem);
// Stores the dropdown list options list inside of the `list` instance variable
self.list = createdList;
// Append the dropdown list options list to the dropdown container element
self.dropdownContainer.append(self.list);
// Stores the individual dropdown list options inside of the `listItems` instance variable
self.listItems = self.list.children("li");
self.listAnchors = self.list.find("a");
// Sets the 'selectboxit-option-first' class name on the first drop down option
self.listItems.first().addClass("selectboxit-option-first");
// Sets the 'selectboxit-option-last' class name on the last drop down option
self.listItems.last().addClass("selectboxit-option-last");
// Set the disabled CSS class for select box options
self.list.find("li[data-disabled='true']").not(".optgroupHeader").addClass(self.theme["disabled"]);
self.dropdownImage.addClass(self.selectBox.attr("data-icon") || self.options["defaultIcon"] || self.listItems.eq(self.currentFocus).find("i").attr("class"));
self.dropdownImage.attr("style", self.listItems.eq(self.currentFocus).find("i").attr("style"));
//Maintains chainability
return self;
},
// _Replace Select Box
// -------------------
// Hides the original dropdown list and inserts
// the new DOM elements
_replaceSelectBox: function() {
var self = this,
height,
originalElemId = self.originalElem.id || "",
size = self.selectBox.attr("data-size"),
listSize = self.listSize = size === undefined ? "auto" : size === "0" || "size" === "auto" ? "auto" : +size,
downArrowContainerWidth,
dropdownImageWidth;
// Hides the original select box
self.selectBox.css("display", "none").
// Adds the new dropdown list to the page directly after the hidden original select box element
after(self.dropdownContainer);
self.dropdownContainer.appendTo('body').
addClass('selectboxit-rendering');
// The height of the dropdown list
height = self.dropdown.height();
// The down arrow element of the dropdown list
self.downArrow = $("<i/>", {
// Dynamically sets the dropdown `id` attribute of the dropdown list down arrow
"id": originalElemId && originalElemId + "SelectBoxItArrow",
"class": "selectboxit-arrow",
// IE specific attribute to not allow the dropdown list text to be selected
"unselectable": "on"
});
// The down arrow container element of the dropdown list
self.downArrowContainer = $("<span/>", {
// Dynamically sets the dropdown `id` attribute for the down arrow container element
"id": originalElemId && originalElemId + "SelectBoxItArrowContainer",
"class": "selectboxit-arrow-container",
// IE specific attribute to not allow the dropdown list text to be selected
"unselectable": "on"
}).
// Inserts the down arrow element inside of the down arrow container element
append(self.downArrow);
// Appends the down arrow element to the dropdown list
self.dropdown.append(self.downArrowContainer);
// Adds the `selectboxit-selected` class name to the currently selected drop down option
self.listItems.removeClass("selectboxit-selected").eq(self.currentFocus).addClass("selectboxit-selected");
// The full outer width of the down arrow container
downArrowContainerWidth = self.downArrowContainer.outerWidth(true);
// The full outer width of the dropdown image
dropdownImageWidth = self.dropdownImage.outerWidth(true);
// If the `autoWidth` option is true
if(self.options["autoWidth"]) {
// Sets the auto width of the drop down
self.dropdown.css({ "width": "auto" }).css({
"width": self.list.outerWidth(true) + downArrowContainerWidth + dropdownImageWidth
});
self.list.css({
"min-width": self.dropdown.width()
});
}
// Dynamically adds the `max-width` and `line-height` CSS styles of the dropdown list text element
self.dropdownText.css({
"max-width": self.dropdownContainer.outerWidth(true) - (downArrowContainerWidth + dropdownImageWidth)
});
// Adds the new dropdown list to the page directly after the hidden original select box element
self.selectBox.after(self.dropdownContainer);
self.dropdownContainer.removeClass('selectboxit-rendering');
if($.type(listSize) === "number") {
// Stores the new `max-height` for later
self.maxHeight = self.listAnchors.outerHeight(true) * listSize;
}
// Maintains chainability
return self;
},
// _Scroll-To-View
// ---------------
// Updates the dropdown list scrollTop value
_scrollToView: function(type) {
var self = this,
currentOption = self.listItems.eq(self.currentFocus),
// The current scroll positioning of the dropdown list options list
listScrollTop = self.list.scrollTop(),
// The height of the currently selected dropdown list option
currentItemHeight = currentOption.height(),
// The relative distance from the currently selected dropdown list option to the the top of the dropdown list options list
currentTopPosition = currentOption.position().top,
absCurrentTopPosition = Math.abs(currentTopPosition),
// The height of the dropdown list option list
listHeight = self.list.height(),
currentText;
// Scrolling logic for a text search
if (type === "search") {
// Increases the dropdown list options `scrollTop` if a user is searching for an option
// below the currently selected option that is not visible
if (listHeight - currentTopPosition < currentItemHeight) {
// The selected option will be shown at the very bottom of the visible options list
self.list.scrollTop(listScrollTop + (currentTopPosition - (listHeight - currentItemHeight)));
}
// Decreases the dropdown list options `scrollTop` if a user is searching for an option above the currently selected option that is not visible
else if (currentTopPosition < -1) {
self.list.scrollTop(currentTopPosition - currentItemHeight);
}
}
// Scrolling logic for the `up` keyboard navigation
else if (type === "up") {
// Decreases the dropdown list option list `scrollTop` if a user is navigating to an element that is not visible
if (currentTopPosition < -1) {
self.list.scrollTop(listScrollTop - absCurrentTopPosition);
}
}
// Scrolling logic for the `down` keyboard navigation
else if (type === "down") {
// Increases the dropdown list options `scrollTop` if a user is navigating to an element that is not fully visible
if (listHeight - currentTopPosition < currentItemHeight) {
// Increases the dropdown list options `scrollTop` by the height of the current option item.
self.list.scrollTop((listScrollTop + (absCurrentTopPosition - listHeight + currentItemHeight)));
}
}
// Maintains chainability
return self;
},
// _Callback
// ---------
// Call the function passed into the method
_callbackSupport: function(callback) {
var self = this;
// Checks to make sure the parameter passed in is a function
if ($.isFunction(callback)) {
// Calls the method passed in as a parameter and sets the current `SelectBoxIt` object that is stored in the jQuery data method as the context(allows for `this` to reference the SelectBoxIt API Methods in the callback function. The `dropdown` DOM element that acts as the new dropdown list is also passed as the only parameter to the callback
callback.call(self, self.dropdown);
}
// Maintains chainability
return self;
},
// _setText
// --------
// Set's the text or html for the drop down
_setText: function(elem, currentText) {
var self = this;
if(self.options["html"]) {
elem.html(currentText);
}
else {
elem.text(currentText);
}
return self;
},
// Open
// ----
// Opens the dropdown list options list
open: function(callback) {
var self = this,
showEffect = self.options["showEffect"],
showEffectSpeed = self.options["showEffectSpeed"],
showEffectOptions = self.options["showEffectOptions"],
isNative = self.options["native"],
isMobile = self.isMobile;
// If there are no select box options, do not try to open the select box
if(!self.listItems.length || self.dropdown.hasClass(self.theme["disabled"])) {
return self;
}
// If the new drop down is being used and is not visible
if((!isNative && !isMobile) && !this.list.is(":visible")) {
// Triggers a custom "open" event on the original select box
self.triggerEvent("open");
if (self._dynamicPositioning && self.options["dynamicPositioning"]) {
// Dynamically positions the dropdown list options list
self._dynamicPositioning();
}
// Uses `no effect`
if(showEffect === "none") {
// Does not require a callback function because this animation will complete before the call to `scrollToView`
self.list.show();
}
// Uses the jQuery `show` special effect
else if(showEffect === "show" || showEffect === "slideDown" || showEffect === "fadeIn") {
// Requires a callback function to determine when the `show` animation is complete
self.list[showEffect](showEffectSpeed);
}
// If none of the above options were passed, then a `jqueryUI show effect` is expected
else {
// Allows for custom show effects via the [jQueryUI core effects](http://http://jqueryui.com/demos/show/)
self.list.show(showEffect, showEffectOptions, showEffectSpeed);
}
self.list.promise().done(function() {
// Updates the list `scrollTop` attribute
self._scrollToView("search");
// Triggers a custom "opened" event when the drop down list is done animating
self.triggerEvent("opened");
});
}
// Provide callback function support
self._callbackSupport(callback);
// Maintains chainability
return self;
},
// Close
// -----
// Closes the dropdown list options list
close: function(callback) {
var self = this,
hideEffect = self.options["hideEffect"],
hideEffectSpeed = self.options["hideEffectSpeed"],
hideEffectOptions = self.options["hideEffectOptions"],
isNative = self.options["native"],
isMobile = self.isMobile;
// If the drop down is being used and is visible
if((!isNative && !isMobile) && self.list.is(":visible")) {
// Triggers a custom "close" event on the original select box
self.triggerEvent("close");
// Uses `no effect`
if(hideEffect === "none") {
// Does not require a callback function because this animation will complete before the call to `scrollToView`
self.list.hide();
}
// Uses the jQuery `hide` special effect
else if(hideEffect === "hide" || hideEffect === "slideUp" || hideEffect === "fadeOut") {
self.list[hideEffect](hideEffectSpeed);
}
// If none of the above options were passed, then a `jqueryUI hide effect` is expected
else {
// Allows for custom hide effects via the [jQueryUI core effects](http://http://jqueryui.com/demos/hide/)
self.list.hide(hideEffect, hideEffectOptions, hideEffectSpeed);
}
// After the drop down list is done animating
self.list.promise().done(function() {
// Triggers a custom "closed" event when the drop down list is done animating
self.triggerEvent("closed");
});
}
// Provide callback function support
self._callbackSupport(callback);
// Maintains chainability
return self;
},
toggle: function() {
var self = this,
listIsVisible = self.list.is(":visible");
if(listIsVisible) {
self.close();
}
else if(!listIsVisible) {
self.open();
}
},
// _Key Mappings
// -------------
// Object literal holding the string representation of each key code
_keyMappings: {
"38": "up",
"40": "down",
"13": "enter",
"8": "backspace",
"9": "tab",
"32": "space",
"27": "esc"
},
// _Key Down Methods
// -----------------
// Methods to use when the keydown event is triggered
_keydownMethods: function() {
var self = this,
moveToOption = self.list.is(":visible") || !self.options["keydownOpen"];
return {
"down": function() {
// If the plugin options allow keyboard navigation
if (self.moveDown && moveToOption) {
self.moveDown();
}
},
"up": function() {
// If the plugin options allow keyboard navigation
if (self.moveUp && moveToOption) {
self.moveUp();
}
},
"enter": function() {
var activeElem = self.listItems.eq(self.currentFocus);
// Updates the dropdown list value
self._update(activeElem);
if (activeElem.attr("data-preventclose") !== "true") {
// Closes the drop down list options list
self.close();
}
// Triggers the `enter` events on the original select box
self.triggerEvent("enter");
},
"tab": function() {
// Triggers the custom `tab-blur` event on the original select box
self.triggerEvent("tab-blur");
// Closes the drop down list
self.close();
},
"backspace": function() {
// Triggers the custom `backspace` event on the original select box
self.triggerEvent("backspace");
},
"esc": function() {
// Closes the dropdown options list
self.close();
}
};
},
// _Event Handlers
// ---------------
// Adds event handlers to the new dropdown and the original select box
_eventHandlers: function() {
// LOCAL VARIABLES
var self = this,
nativeMousedown = self.options["nativeMousedown"],
customShowHideEvent = self.options["customShowHideEvent"],
currentDataText,
currentText,
focusClass = self.focusClass,
hoverClass = self.hoverClass,
openClass = self.openClass;
// Select Box events
this.dropdown.on({
// `click` event with the `selectBoxIt` namespace
"click.selectBoxIt": function() {
// Used to make sure the dropdown becomes focused (fixes IE issue)
self.dropdown.trigger("focus", true);
// The `click` handler logic will only be applied if the dropdown list is enabled
if (!self.originalElem.disabled) {
// Triggers the `click` event on the original select box
self.triggerEvent("click");
if(!nativeMousedown && !customShowHideEvent) {
self.toggle();
}
}
},
// `mousedown` event with the `selectBoxIt` namespace
"mousedown.selectBoxIt": function() {
// Stores data in the jQuery `data` method to help determine if the dropdown list gains focus from a click or tabstop. The mousedown event fires before the focus event.
$(this).data("mdown", true);
self.triggerEvent("mousedown");
if(nativeMousedown && !customShowHideEvent) {
self.toggle();
}
},
// `mouseup` event with the `selectBoxIt` namespace
"mouseup.selectBoxIt": function() {
self.triggerEvent("mouseup");
},
// `blur` event with the `selectBoxIt` namespace. Uses special blur logic to make sure the dropdown list closes correctly
"blur.selectBoxIt": function() {
// If `self.blur` property is true
if (self.blur) {
// Triggers both the `blur` and `focusout` events on the original select box.
// The `focusout` event is also triggered because the event bubbles
// This event has to be used when using event delegation (such as the jQuery `delegate` or `on` methods)
// Popular open source projects such as Backbone.js utilize event delegation to bind events, so if you are using Backbone.js, use the `focusout` event instead of the `blur` event
self.triggerEvent("blur");
// Closes the dropdown list options list
self.close();
$(this).removeClass(focusClass);
}
},
"focus.selectBoxIt": function(event, internal) {
// Stores the data associated with the mousedown event inside of a local variable
var mdown = $(this).data("mdown");
// Removes the jQuery data associated with the mousedown event
$(this).removeData("mdown");
// If a mousedown event did not occur and no data was passed to the focus event (this correctly triggers the focus event), then the dropdown list gained focus from a tabstop
if (!mdown && !internal) {
setTimeout(function() {
// Triggers the `tabFocus` custom event on the original select box
self.triggerEvent("tab-focus");
}, 0);
}
// Only trigger the `focus` event on the original select box if the dropdown list is hidden (this verifies that only the correct `focus` events are used to trigger the event on the original select box
if(!internal) {
if(!$(this).hasClass(self.theme["disabled"])) {
$(this).addClass(focusClass);
}
//Triggers the `focus` default event on the original select box
self.triggerEvent("focus");
}
},
// `keydown` event with the `selectBoxIt` namespace. Catches all user keyboard navigations
"keydown.selectBoxIt": function(e) {
// Stores the `keycode` value in a local variable
var currentKey = self._keyMappings[e.keyCode],
keydownMethod = self._keydownMethods()[currentKey];
if(keydownMethod) {
keydownMethod();
if(self.options["keydownOpen"] && (currentKey === "up" || currentKey === "down")) {
self.open();
}
}
if(keydownMethod && currentKey !== "tab") {
e.preventDefault();
}
},
// `keypress` event with the `selectBoxIt` namespace. Catches all user keyboard text searches since you can only reliably get character codes using the `keypress` event
"keypress.selectBoxIt": function(e) {
// Sets the current key to the `keyCode` value if `charCode` does not exist. Used for cross
// browser support since IE uses `keyCode` instead of `charCode`.
var currentKey = e.charCode || e.keyCode,
key = self._keyMappings[e.charCode || e.keyCode],
// Converts unicode values to characters
alphaNumericKey = String.fromCharCode(currentKey);
// If the plugin options allow text searches
if (self.search && (!key || (key && key === "space"))) {
// Calls `search` and passes the character value of the user's text search
self.search(alphaNumericKey, true, true);
}
if(key === "space") {
e.preventDefault();
}
},
// `mousenter` event with the `selectBoxIt` namespace .The mouseenter JavaScript event is proprietary to Internet Explorer. Because of the event's general utility, jQuery simulates this event so that it can be used regardless of browser.
"mouseenter.selectBoxIt": function() {
// Trigger the `mouseenter` event on the original select box
self.triggerEvent("mouseenter");
},
// `mouseleave` event with the `selectBoxIt` namespace. The mouseleave JavaScript event is proprietary to Internet Explorer. Because of the event's general utility, jQuery simulates this event so that it can be used regardless of browser.
"mouseleave.selectBoxIt": function() {
// Trigger the `mouseleave` event on the original select box
self.triggerEvent("mouseleave");
}
});
// Select box options events that set the dropdown list blur logic (decides when the dropdown list gets
// closed)
self.list.on({
// `mouseover` event with the `selectBoxIt` namespace
"mouseover.selectBoxIt": function() {
// Prevents the dropdown list options list from closing
self.blur = false;
},
// `mouseout` event with the `selectBoxIt` namespace
"mouseout.selectBoxIt": function() {
// Allows the dropdown list options list to close
self.blur = true;
},
// `focusin` event with the `selectBoxIt` namespace
"focusin.selectBoxIt": function() {
// Prevents the default browser outline border to flicker, which results because of the `blur` event
self.dropdown.trigger("focus", true);
}
});
// Select box individual options events bound with the jQuery `delegate` method. `Delegate` was used because binding indropdownidual events to each list item (since we don't know how many there will be) would decrease performance. Instead, we bind each event to the unordered list, provide the list item context, and allow the list item events to bubble up (`event bubbling`). This greatly increases page performance because we only have to bind an event to one element instead of x number of elements. Delegates the `click` event with the `selectBoxIt` namespace to the list items
self.list.on({
"mousedown.selectBoxIt": function() {
self._update($(this));
self.triggerEvent("option-click");
// If the current drop down option is not disabled
if ($(this).attr("data-disabled") === "false" && $(this).attr("data-preventclose") !== "true") {
// Closes the drop down list
self.close();
}
setTimeout(function() {
self.dropdown.trigger('focus', true);
}, 0);
},
// Delegates the `focusin` event with the `selectBoxIt` namespace to the list items
"focusin.selectBoxIt": function() {
// Removes the hover class from the previous drop down option
self.listItems.not($(this)).removeAttr("data-active");
$(this).attr("data-active", "");
var listIsHidden = self.list.is(":hidden");
if((self.options["searchWhenHidden"] && listIsHidden) || self.options["aggressiveChange"] || (listIsHidden && self.options["selectWhenHidden"])) {
self._update($(this));
}
// Adds the focus CSS class to the currently focused dropdown list option
$(this).addClass(focusClass);
},
// Delegates the `focus` event with the `selectBoxIt` namespace to the list items
"mouseup.selectBoxIt": function() {
if(nativeMousedown && !customShowHideEvent) {
self._update($(this));
self.triggerEvent("option-mouseup");
// If the current drop down option is not disabled
if ($(this).attr("data-disabled") === "false" && $(this).attr("data-preventclose") !== "true") {
// Closes the drop down list
self.close();
}
}
},
// Delegates the `mouseenter` event with the `selectBoxIt` namespace to the list items
"mouseenter.selectBoxIt": function() {
// If the currently moused over drop down option is not disabled
if($(this).attr("data-disabled") === "false") {
self.listItems.removeAttr("data-active");
$(this).addClass(focusClass).attr("data-active", "");
// Sets the dropdown list indropdownidual options back to the default state and sets the focus CSS class on the currently hovered option
self.listItems.not($(this)).removeClass(focusClass);
$(this).addClass(focusClass);
self.currentFocus = +$(this).attr("data-id");
}
},
// Delegates the `mouseleave` event with the `selectBoxIt` namespace to the list items
"mouseleave.selectBoxIt": function() {
// If the currently moused over drop down option is not disabled
if($(this).attr("data-disabled") === "false") {
// Removes the focus class from the previous drop down option
self.listItems.not($(this)).removeClass(focusClass).removeAttr("data-active");
$(this).addClass(focusClass);
self.currentFocus = +$(this).attr("data-id");
}
},
// Delegates the `blur` event with the `selectBoxIt` namespace to the list items
"blur.selectBoxIt": function() {
// Removes the focus CSS class from the previously focused dropdown list option
$(this).removeClass(focusClass);
}
}, ".selectboxit-option");
// Select box individual option anchor events bound with the jQuery `delegate` method. `Delegate` was used because binding indropdownidual events to each list item (since we don't know how many there will be) would decrease performance. Instead, we bind each event to the unordered list, provide the list item context, and allow the list item events to bubble up (`event bubbling`). This greatly increases page performance because we only have to bind an event to one element instead of x number of elements. Delegates the `click` event with the `selectBoxIt` namespace to the list items
self.list.on({
"click.selectBoxIt": function(ev) {
// Prevents the internal anchor tag from doing anything funny
ev.preventDefault();
}
}, "a");
// Original dropdown list events
self.selectBox.on({
// `change` event handler with the `selectBoxIt` namespace
"change.selectBoxIt, internal-change.selectBoxIt": function(event, internal) {
var currentOption,
currentDataSelectedText;
// If the user called the change method
if(!internal) {
currentOption = self.list.find('li[data-val="' + self.originalElem.value + '"]');
// If there is a dropdown option with the same value as the original select box element
if(currentOption.length) {
self.listItems.eq(self.currentFocus).removeClass(self.focusClass);
self.currentFocus = +currentOption.attr("data-id");
}
}
currentOption = self.listItems.eq(self.currentFocus);
currentDataSelectedText = currentOption.attr("data-selectedtext");
currentDataText = currentOption.attr("data-text");
currentText = currentDataText ? currentDataText: currentOption.find("a").text();
// Sets the new dropdown list text to the value of the current option
self._setText(self.dropdownText, currentDataSelectedText || currentText);
self.dropdownText.attr("data-val", self.originalElem.value);
if(currentOption.find("i").attr("class")) {
self.dropdownImage.attr("class", currentOption.find("i").attr("class")).addClass("selectboxit-default-icon");
self.dropdownImage.attr("style", currentOption.find("i").attr("style"));
}
// Triggers a custom changed event on the original select box
self.triggerEvent("changed");
},
// `disable` event with the `selectBoxIt` namespace
"disable.selectBoxIt": function() {
// Adds the `disabled` CSS class to the new dropdown list to visually show that it is disabled
self.dropdown.addClass(self.theme["disabled"]);
},
// `enable` event with the `selectBoxIt` namespace
"enable.selectBoxIt": function() {
// Removes the `disabled` CSS class from the new dropdown list to visually show that it is enabled
self.dropdown.removeClass(self.theme["disabled"]);
},
// `open` event with the `selectBoxIt` namespace
"open.selectBoxIt": function() {
var currentElem = self.list.find("li[data-val='" + self.dropdownText.attr("data-val") + "']"),
activeElem;
// If no current element can be found, then select the first drop down option
if(!currentElem.length) {
// Sets the default value of the dropdown list to the first option that is not disabled
currentElem = self.listItems.not("[data-disabled=true]").first();
}
self.currentFocus = +currentElem.attr("data-id");
activeElem = self.listItems.eq(self.currentFocus);
self.dropdown.addClass(openClass).
// Removes the focus class from the dropdown list and adds the library focus class for both the dropdown list and the currently selected dropdown list option
removeClass(hoverClass).addClass(focusClass);
self.listItems.removeClass(self.selectedClass).
removeAttr("data-active").not(activeElem).removeClass(focusClass);
activeElem.addClass(self.selectedClass).addClass(focusClass);
if(self.options.hideCurrent) {
self.listItems.show();
activeElem.hide();
}
},
"close.selectBoxIt": function() {
// Removes the open class from the dropdown container
self.dropdown.removeClass(openClass);
},
"blur.selectBoxIt": function() {
self.dropdown.removeClass(focusClass);
},
// `mousenter` event with the `selectBoxIt` namespace
"mouseenter.selectBoxIt": function() {
if(!$(this).hasClass(self.theme["disabled"])) {
self.dropdown.addClass(hoverClass);
}
},
// `mouseleave` event with the `selectBoxIt` namespace
"mouseleave.selectBoxIt": function() {
// Removes the hover CSS class on the previously hovered dropdown list option
self.dropdown.removeClass(hoverClass);
},
// `destroy` event
"destroy": function(ev) {
// Prevents the default action from happening
ev.preventDefault();
// Prevents the destroy event from propagating
ev.stopPropagation();
}
});
// Maintains chainability
return self;
},
// _update
// -------
// Updates the drop down and select box with the current value
_update: function(elem) {
var self = this,
currentDataSelectedText,
currentDataText,
currentText,
defaultText = self.options["defaultText"] || self.selectBox.attr("data-text"),
currentElem = self.listItems.eq(self.currentFocus);
if (elem.attr("data-disabled") === "false") {
currentDataSelectedText = self.listItems.eq(self.currentFocus).attr("data-selectedtext");
currentDataText = currentElem.attr("data-text");
currentText = currentDataText ? currentDataText: currentElem.text();
// If the default text option is set and the current drop down option is not disabled
if ((defaultText && self.options["html"] ? self.dropdownText.html() === defaultText: self.dropdownText.text() === defaultText) && self.selectBox.val() === elem.attr("data-val")) {
self.triggerEvent("change");
}
else {
// Sets the original dropdown list value and triggers the `change` event on the original select box
self.selectBox.val(elem.attr("data-val"));
// Sets `currentFocus` to the currently focused dropdown list option.
// The unary `+` operator casts the string to a number
// [James Padolsey Blog Post](http://james.padolsey.com/javascript/terse-javascript-101-part-2/)
self.currentFocus = +elem.attr("data-id");
// Triggers the dropdown list `change` event if a value change occurs
if (self.originalElem.value !== self.dropdownText.attr("data-val")) {
self.triggerEvent("change");
}
}
}
},
// _addClasses
// -----------
// Adds SelectBoxIt CSS classes
_addClasses: function(obj) {
var self = this,
focusClass = self.focusClass = obj.focus,
hoverClass = self.hoverClass = obj.hover,
buttonClass = obj.button,
listClass = obj.list,
arrowClass = obj.arrow,
containerClass = obj.container,
openClass = self.openClass = obj.open;
self.selectedClass = "selectboxit-selected";
self.downArrow.addClass(self.selectBox.attr("data-downarrow") || self.options["downArrowIcon"] || arrowClass);
// Adds the correct container class to the dropdown list
self.dropdownContainer.addClass(containerClass);
// Adds the correct class to the dropdown list
self.dropdown.addClass(buttonClass);
// Adds the default class to the dropdown list options
self.list.addClass(listClass);
// Maintains chainability
return self;
},
// Refresh
// -------
// The dropdown will rebuild itself. Useful for dynamic content.
refresh: function(callback, internal) {
var self = this;
// Destroys the plugin and then recreates the plugin
self._destroySelectBoxIt()._create(true);
if(!internal) {
self.triggerEvent("refresh");
}
self._callbackSupport(callback);
//Maintains chainability
return self;
},
// HTML Escape
// -----------
// HTML encodes a string
htmlEscape: function(str) {
return String(str)
.replace(/&/g, "&")
.replace(/"/g, """)
.replace(/'/g, "'")
.replace(/</g, "<")
.replace(/>/g, ">");
},
// triggerEvent
// ------------
// Trigger's an external event on the original select box element
triggerEvent: function(eventName) {
var self = this,
// Finds the currently option index
currentIndex = self.options["showFirstOption"] ? self.currentFocus : ((self.currentFocus - 1) >= 0 ? self.currentFocus: 0);
// Triggers the custom option-click event on the original select box and passes the select box option
self.selectBox.trigger(eventName, { "selectbox": self.selectBox, "selectboxOption": self.selectItems.eq(currentIndex), "dropdown": self.dropdown, "dropdownOption": self.listItems.eq(self.currentFocus) });
// Maintains chainability
return self;
},
// _copyAttributes
// ---------------
// Copies HTML attributes from the original select box to the new drop down
_copyAttributes: function() {
var self = this;
if(self._addSelectBoxAttributes) {
self._addSelectBoxAttributes();
}
return self;
},
// _realOuterWidth
// ---------------
// Retrieves the true outerWidth dimensions of a hidden DOM element
_realOuterWidth: function(elem) {
if(elem.is(":visible")) {
return elem.outerWidth(true);
}
var self = this,
clonedElem = elem.clone(),
outerWidth;
clonedElem.css({
"visibility": "hidden",
"display": "block",
"position": "absolute"
}).appendTo("body");
outerWidth = clonedElem.outerWidth(true);
clonedElem.remove();
return outerWidth;
}
});
// Stores the plugin prototype object in a local variable
var selectBoxIt = $.selectBox.selectBoxIt.prototype;