587 lines
No EOL
12 KiB
JavaScript
587 lines
No EOL
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 = $this.find('a'),
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b = [];
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$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 = $this.attr('target');
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b.push(
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'<a ' +
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'class="link depth-' + indent + '"' +
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( (typeof target !== 'undefined' && target != '') ? ' target="' + target + '"' : '') +
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( (typeof href !== 'undefined' && href != '') ? ' href="' + href + '"' : '') +
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'>' +
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'<span class="indent-' + indent + '"></span>' +
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$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)
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return $this;
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// Multiple elements?
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if (this.length > 1) {
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for (var i=0; i < this.length; i++)
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$(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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// 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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}, userConfig);
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// Expand "target" if it's not a jQuery object already.
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if (typeof config.target != 'jQuery')
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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))
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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)
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$this.scrollTop(0);
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// Reset forms.
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if (config.resetForms)
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$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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$this
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.css('-ms-overflow-style', '-ms-autohiding-scrollbar')
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.css('-webkit-overflow-scrolling', 'touch');
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// Hide on click.
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if (config.hideOnClick) {
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$this.find('a')
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.css('-webkit-tap-highlight-color', 'rgba(0,0,0,0)');
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$this
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.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 = $a.attr('target');
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if (!href || href == '#' || href == '' || href == '#' + id)
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return;
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// Cancel original event.
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event.preventDefault();
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event.stopPropagation();
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// Hide panel.
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$this._hide();
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// Redirect to href.
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window.setTimeout(function() {
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if (target == '_blank')
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window.open(href);
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else
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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
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|| $this.touchPosY === null)
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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 (($this.scrollTop() < 0 && diffY < 0)
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|| (ts > (th - 2) && ts < (th + 2) && diffY > 0)) {
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event.preventDefault();
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event.stopPropagation();
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}
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});
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// Event: Prevent certain events inside the panel from bubbling.
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$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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$window.on('keydown', function(event) {
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if (event.keyCode == 27)
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$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')
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return $(this);
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// No elements?
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if (this.length == 0)
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return $this;
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// Multiple elements?
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if (this.length > 1) {
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for (var i=0; i < this.length; i++)
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$(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.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() == ''
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|| i.val() == i.attr('placeholder'))
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i
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.addClass('polyfill-placeholder')
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.val(i.attr('placeholder'));
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})
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.on('blur', function() {
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var i = $(this);
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if (i.attr('name').match(/-polyfill-field$/))
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return;
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if (i.val() == '')
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i
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.addClass('polyfill-placeholder')
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.val(i.attr('placeholder'));
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})
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.on('focus', function() {
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var i = $(this);
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if (i.attr('name').match(/-polyfill-field$/))
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return;
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if (i.val() == i.attr('placeholder'))
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i
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.removeClass('polyfill-placeholder')
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.val('');
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});
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// Password.
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$this.find('input[type=password]')
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.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') != '')
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x.attr('id', i.attr('id') + '-polyfill-field');
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if (i.attr('name') != '')
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x.attr('name', i.attr('name') + '-polyfill-field');
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x.addClass('polyfill-placeholder')
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.val(x.attr('placeholder')).insertAfter(i);
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if (i.val() == '')
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i.hide();
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else
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x.hide();
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i
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.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
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.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
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.show()
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.focus();
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})
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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')
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.each(function(event) {
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var i = $(this);
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if (i.attr('name').match(/-polyfill-field$/))
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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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$this.find('select')
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.val($('option:first').val());
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$this.find('input,textarea')
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.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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}
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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 $elements != 'jQuery')
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$elements = $($elements);
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// Step through elements.
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$elements.each(function() {
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var $e = $(this), $p,
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$parent = $e.parent();
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// No parent? Bail.
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if ($parent.length == 0)
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return;
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// Not moved? Move it.
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if (!$e.data(key)) {
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// Condition is false? Bail.
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if (!condition)
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return;
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// Get placeholder (which will serve as our point of reference for when this element needs to move back).
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$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)
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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, $p);
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}
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// Moved already?
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else {
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// Condition is true? Bail.
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if (condition)
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return;
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$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); |