463 lines
12 KiB
JavaScript
463 lines
12 KiB
JavaScript
;(function ($) {
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/**
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* Generate an indented list of links from a nav. Meant for use with panel().
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* @return {jQuery} jQuery object.
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*/
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$.fn.navList = function () {
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var $this = $(this)
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;($a = $this.find('a')), (b = [])
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$a.each(function () {
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var $this = $(this),
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indent = Math.max(0, $this.parents('li').length - 1),
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href = $this.attr('href'),
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target = $this.attr('target')
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b.push(
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'<a ' +
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'class="link depth-' +
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indent +
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'"' +
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(typeof target !== 'undefined' && target != '' ? ' target="' + target + '"' : '') +
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(typeof href !== 'undefined' && href != '' ? ' href="' + href + '"' : '') +
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'>' +
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'<span class="indent-' +
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indent +
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'"></span>' +
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$this.text() +
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'</a>'
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)
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})
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return b.join('')
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}
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/**
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* Panel-ify an element.
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* @param {object} userConfig User config.
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* @return {jQuery} jQuery object.
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*/
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$.fn.panel = function (userConfig) {
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// No elements?
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if (this.length == 0) return $this
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// Multiple elements?
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if (this.length > 1) {
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for (var i = 0; i < this.length; i++) $(this[i]).panel(userConfig)
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return $this
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}
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// Vars.
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var $this = $(this),
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$body = $('body'),
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$window = $(window),
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id = $this.attr('id'),
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config
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// Config.
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config = $.extend(
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{
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// Delay.
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delay: 0,
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// Hide panel on link click.
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hideOnClick: false,
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// Hide panel on escape keypress.
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hideOnEscape: false,
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// Hide panel on swipe.
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hideOnSwipe: false,
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// Reset scroll position on hide.
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resetScroll: false,
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// Reset forms on hide.
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resetForms: false,
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// Side of viewport the panel will appear.
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side: null,
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// Target element for "class".
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target: $this,
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// Class to toggle.
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visibleClass: 'visible',
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},
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userConfig
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)
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// Expand "target" if it's not a jQuery object already.
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if (typeof config.target != 'jQuery') config.target = $(config.target)
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// Panel.
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// Methods.
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$this._hide = function (event) {
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// Already hidden? Bail.
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if (!config.target.hasClass(config.visibleClass)) return
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// If an event was provided, cancel it.
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if (event) {
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event.preventDefault()
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event.stopPropagation()
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}
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// Hide.
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config.target.removeClass(config.visibleClass)
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// Post-hide stuff.
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window.setTimeout(function () {
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// Reset scroll position.
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if (config.resetScroll) $this.scrollTop(0)
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// Reset forms.
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if (config.resetForms)
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$this.find('form').each(function () {
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this.reset()
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})
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}, config.delay)
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}
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// Vendor fixes.
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$this.css('-ms-overflow-style', '-ms-autohiding-scrollbar').css('-webkit-overflow-scrolling', 'touch')
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// Hide on click.
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if (config.hideOnClick) {
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$this.find('a').css('-webkit-tap-highlight-color', 'rgba(0,0,0,0)')
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$this.on('click', 'a', function (event) {
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var $a = $(this),
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href = $a.attr('href'),
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target = $a.attr('target')
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if (!href || href == '#' || href == '' || href == '#' + id) return
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// Cancel original event.
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event.preventDefault()
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event.stopPropagation()
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// Hide panel.
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$this._hide()
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// Redirect to href.
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window.setTimeout(function () {
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if (target == '_blank') window.open(href)
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else window.location.href = href
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}, config.delay + 10)
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})
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}
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// Event: Touch stuff.
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$this.on('touchstart', function (event) {
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$this.touchPosX = event.originalEvent.touches[0].pageX
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$this.touchPosY = event.originalEvent.touches[0].pageY
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})
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$this.on('touchmove', function (event) {
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if ($this.touchPosX === null || $this.touchPosY === null) return
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var diffX = $this.touchPosX - event.originalEvent.touches[0].pageX,
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diffY = $this.touchPosY - event.originalEvent.touches[0].pageY,
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th = $this.outerHeight(),
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ts = $this.get(0).scrollHeight - $this.scrollTop()
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// Hide on swipe?
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if (config.hideOnSwipe) {
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var result = false,
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boundary = 20,
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delta = 50
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switch (config.side) {
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case 'left':
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result = diffY < boundary && diffY > -1 * boundary && diffX > delta
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break
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case 'right':
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result = diffY < boundary && diffY > -1 * boundary && diffX < -1 * delta
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break
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case 'top':
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result = diffX < boundary && diffX > -1 * boundary && diffY > delta
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break
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case 'bottom':
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result = diffX < boundary && diffX > -1 * boundary && diffY < -1 * delta
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break
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default:
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break
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}
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if (result) {
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$this.touchPosX = null
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$this.touchPosY = null
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$this._hide()
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return false
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}
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}
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// Prevent vertical scrolling past the top or bottom.
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if (($this.scrollTop() < 0 && diffY < 0) || (ts > th - 2 && ts < th + 2 && diffY > 0)) {
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event.preventDefault()
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event.stopPropagation()
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}
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})
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// Event: Prevent certain events inside the panel from bubbling.
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$this.on('click touchend touchstart touchmove', function (event) {
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event.stopPropagation()
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})
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// Event: Hide panel if a child anchor tag pointing to its ID is clicked.
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$this.on('click', 'a[href="#' + id + '"]', function (event) {
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event.preventDefault()
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event.stopPropagation()
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config.target.removeClass(config.visibleClass)
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})
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// Body.
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// Event: Hide panel on body click/tap.
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$body.on('click touchend', function (event) {
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$this._hide(event)
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})
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// Event: Toggle.
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$body.on('click', 'a[href="#' + id + '"]', function (event) {
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event.preventDefault()
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event.stopPropagation()
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config.target.toggleClass(config.visibleClass)
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})
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// Window.
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// Event: Hide on ESC.
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if (config.hideOnEscape)
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$window.on('keydown', function (event) {
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if (event.keyCode == 27) $this._hide(event)
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})
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return $this
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}
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/**
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* Apply "placeholder" attribute polyfill to one or more forms.
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* @return {jQuery} jQuery object.
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*/
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$.fn.placeholder = function () {
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// Browser natively supports placeholders? Bail.
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if (typeof document.createElement('input').placeholder != 'undefined') return $(this)
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// No elements?
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if (this.length == 0) return $this
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// Multiple elements?
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if (this.length > 1) {
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for (var i = 0; i < this.length; i++) $(this[i]).placeholder()
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return $this
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}
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// Vars.
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var $this = $(this)
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// Text, TextArea.
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$this
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.find('input[type=text],textarea')
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.each(function () {
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var i = $(this)
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if (i.val() == '' || i.val() == i.attr('placeholder')) i.addClass('polyfill-placeholder').val(i.attr('placeholder'))
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})
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.on('blur', function () {
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var i = $(this)
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if (i.attr('name').match(/-polyfill-field$/)) return
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if (i.val() == '') i.addClass('polyfill-placeholder').val(i.attr('placeholder'))
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})
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.on('focus', function () {
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var i = $(this)
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if (i.attr('name').match(/-polyfill-field$/)) return
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if (i.val() == i.attr('placeholder')) i.removeClass('polyfill-placeholder').val('')
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})
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// Password.
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$this.find('input[type=password]').each(function () {
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var i = $(this)
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var x = $(
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$('<div>')
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.append(i.clone())
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.remove()
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.html()
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.replace(/type="password"/i, 'type="text"')
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.replace(/type=password/i, 'type=text')
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)
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if (i.attr('id') != '') x.attr('id', i.attr('id') + '-polyfill-field')
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if (i.attr('name') != '') x.attr('name', i.attr('name') + '-polyfill-field')
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x.addClass('polyfill-placeholder').val(x.attr('placeholder')).insertAfter(i)
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if (i.val() == '') i.hide()
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else x.hide()
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i.on('blur', function (event) {
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event.preventDefault()
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var x = i.parent().find('input[name=' + i.attr('name') + '-polyfill-field]')
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if (i.val() == '') {
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i.hide()
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x.show()
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}
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})
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x.on('focus', function (event) {
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event.preventDefault()
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var i = x.parent().find('input[name=' + x.attr('name').replace('-polyfill-field', '') + ']')
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x.hide()
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i.show().focus()
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}).on('keypress', function (event) {
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event.preventDefault()
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x.val('')
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})
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})
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// Events.
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$this
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.on('submit', function () {
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$this.find('input[type=text],input[type=password],textarea').each(function (event) {
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var i = $(this)
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if (i.attr('name').match(/-polyfill-field$/)) i.attr('name', '')
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if (i.val() == i.attr('placeholder')) {
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i.removeClass('polyfill-placeholder')
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i.val('')
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}
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})
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})
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.on('reset', function (event) {
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event.preventDefault()
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$this.find('select').val($('option:first').val())
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$this.find('input,textarea').each(function () {
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var i = $(this),
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x
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i.removeClass('polyfill-placeholder')
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switch (this.type) {
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case 'submit':
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case 'reset':
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break
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case 'password':
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i.val(i.attr('defaultValue'))
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x = i.parent().find('input[name=' + i.attr('name') + '-polyfill-field]')
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if (i.val() == '') {
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i.hide()
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x.show()
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} else {
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i.show()
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x.hide()
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}
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break
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case 'checkbox':
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case 'radio':
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i.attr('checked', i.attr('defaultValue'))
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break
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case 'text':
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case 'textarea':
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i.val(i.attr('defaultValue'))
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if (i.val() == '') {
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i.addClass('polyfill-placeholder')
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i.val(i.attr('placeholder'))
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}
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break
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default:
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i.val(i.attr('defaultValue'))
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break
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}
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})
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})
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return $this
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}
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/**
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* Moves elements to/from the first positions of their respective parents.
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* @param {jQuery} $elements Elements (or selector) to move.
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* @param {bool} condition If true, moves elements to the top. Otherwise, moves elements back to their original locations.
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*/
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$.prioritize = function ($elements, condition) {
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var key = '__prioritize'
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// Expand $elements if it's not already a jQuery object.
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if (typeof $elements != 'jQuery') $elements = $($elements)
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// Step through elements.
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$elements.each(function () {
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var $e = $(this),
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$p,
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$parent = $e.parent()
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// No parent? Bail.
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if ($parent.length == 0) return
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// Not moved? Move it.
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if (!$e.data(key)) {
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// Condition is false? Bail.
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if (!condition) return
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// Get placeholder (which will serve as our point of reference for when this element needs to move back).
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$p = $e.prev()
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// Couldn't find anything? Means this element's already at the top, so bail.
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if ($p.length == 0) return
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// Move element to top of parent.
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$e.prependTo($parent)
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// Mark element as moved.
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$e.data(key, $p)
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}
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// Moved already?
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else {
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// Condition is true? Bail.
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if (condition) return
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$p = $e.data(key)
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// Move element back to its original location (using our placeholder).
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$e.insertAfter($p)
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// Unmark element as moved.
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$e.removeData(key)
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}
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})
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}
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})(jQuery)
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