491 lines
12 KiB
JavaScript
491 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 = $this.attr("target");
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b.push(
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"<a " +
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'class="link depth-' +
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indent +
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'"' +
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(typeof target !== "undefined" && target != ""
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? ' target="' + target + '"'
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: "") +
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(typeof href !== "undefined" && href != ""
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? ' href="' + href + '"'
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: "") +
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">" +
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'<span class="indent-' +
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indent +
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'"></span>' +
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$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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$this
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.css("-ms-overflow-style", "-ms-autohiding-scrollbar")
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.css("-webkit-overflow-scrolling", "touch");
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// Hide on click.
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if (config.hideOnClick) {
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$this.find("a").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 - $this.scrollTop();
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// Hide on swipe?
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if (config.hideOnSwipe) {
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var result = false,
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boundary = 20,
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delta = 50;
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switch (config.side) {
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case "left":
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result = diffY < boundary && diffY > -1 * boundary && diffX > delta;
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break;
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case "right":
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result =
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diffY < boundary && diffY > -1 * boundary && diffX < -1 * delta;
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break;
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case "top":
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result = diffX < boundary && diffX > -1 * boundary && diffY > delta;
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break;
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case "bottom":
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result =
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diffX < boundary && diffX > -1 * boundary && diffY < -1 * delta;
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break;
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default:
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break;
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}
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if (result) {
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$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 (
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($this.scrollTop() < 0 && diffY < 0) ||
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(ts > th - 2 && ts < th + 2 && diffY > 0)
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) {
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event.preventDefault();
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event.stopPropagation();
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}
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});
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// Event: Prevent certain events inside the panel from bubbling.
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$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")
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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"))
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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() == "")
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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"))
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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") != "")
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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"))
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.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
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.parent()
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.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
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.parent()
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.find(
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"input[name=" + x.attr("name").replace("-polyfill-field", "") + "]",
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);
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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
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.find("input[type=text],input[type=password],textarea")
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.each(function (event) {
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var i = $(this);
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if (i.attr("name").match(/-polyfill-field$/)) 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
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.parent()
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.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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