mirror of
https://github.com/go-gitea/gitea.git
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259 lines
9.6 KiB
JavaScript
259 lines
9.6 KiB
JavaScript
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// tipsy, facebook style tooltips for jquery
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// version 1.0.0a
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// (c) 2008-2010 jason frame [jason@onehackoranother.com]
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// released under the MIT license
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(function($) {
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function maybeCall(thing, ctx) {
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return (typeof thing == 'function') ? (thing.call(ctx)) : thing;
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};
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function isElementInDOM(ele) {
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while (ele = ele.parentNode) {
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if (ele == document) return true;
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}
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return false;
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};
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function Tipsy(element, options) {
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this.$element = $(element);
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this.options = options;
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this.enabled = true;
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this.fixTitle();
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};
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Tipsy.prototype = {
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show: function() {
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var title = this.getTitle();
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if (title && this.enabled) {
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var $tip = this.tip();
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$tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title);
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$tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity
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$tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body);
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var pos = $.extend({}, this.$element.offset(), {
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width: this.$element[0].offsetWidth,
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height: this.$element[0].offsetHeight
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});
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var actualWidth = $tip[0].offsetWidth,
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actualHeight = $tip[0].offsetHeight,
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gravity = maybeCall(this.options.gravity, this.$element[0]);
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var tp;
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switch (gravity.charAt(0)) {
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case 'n':
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tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
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break;
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case 's':
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tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
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break;
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case 'e':
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tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset};
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break;
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case 'w':
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tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset};
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break;
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}
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if (gravity.length == 2) {
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if (gravity.charAt(1) == 'w') {
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tp.left = pos.left + pos.width / 2 - 15;
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} else {
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tp.left = pos.left + pos.width / 2 - actualWidth + 15;
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}
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}
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$tip.css(tp).addClass('tipsy-' + gravity);
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$tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0);
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if (this.options.className) {
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$tip.addClass(maybeCall(this.options.className, this.$element[0]));
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}
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if (this.options.fade) {
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$tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity});
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} else {
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$tip.css({visibility: 'visible', opacity: this.options.opacity});
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}
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}
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},
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hide: function() {
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if (this.options.fade) {
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this.tip().stop().fadeOut(function() { $(this).remove(); });
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} else {
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this.tip().remove();
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}
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},
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fixTitle: function() {
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var $e = this.$element;
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if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') {
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$e.attr('original-title', $e.attr('title') || '').removeAttr('title');
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}
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},
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getTitle: function() {
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var title, $e = this.$element, o = this.options;
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this.fixTitle();
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var title, o = this.options;
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if (typeof o.title == 'string') {
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title = $e.attr(o.title == 'title' ? 'original-title' : o.title);
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} else if (typeof o.title == 'function') {
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title = o.title.call($e[0]);
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}
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title = ('' + title).replace(/(^\s*|\s*$)/, "");
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return title || o.fallback;
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},
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tip: function() {
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if (!this.$tip) {
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this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>');
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this.$tip.data('tipsy-pointee', this.$element[0]);
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}
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return this.$tip;
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},
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validate: function() {
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if (!this.$element[0].parentNode) {
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this.hide();
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this.$element = null;
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this.options = null;
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}
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},
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enable: function() { this.enabled = true; },
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disable: function() { this.enabled = false; },
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toggleEnabled: function() { this.enabled = !this.enabled; }
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};
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$.fn.tipsy = function(options) {
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if (options === true) {
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return this.data('tipsy');
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} else if (typeof options == 'string') {
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var tipsy = this.data('tipsy');
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if (tipsy) tipsy[options]();
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return this;
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}
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options = $.extend({}, $.fn.tipsy.defaults, options);
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function get(ele) {
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var tipsy = $.data(ele, 'tipsy');
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if (!tipsy) {
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tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options));
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$.data(ele, 'tipsy', tipsy);
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}
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return tipsy;
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}
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function enter() {
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var tipsy = get(this);
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tipsy.hoverState = 'in';
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if (options.delayIn == 0) {
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tipsy.show();
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} else {
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tipsy.fixTitle();
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setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn);
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}
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};
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function leave() {
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var tipsy = get(this);
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tipsy.hoverState = 'out';
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if (options.delayOut == 0) {
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tipsy.hide();
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} else {
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setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut);
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}
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};
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if (!options.live) this.each(function() { get(this); });
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if (options.trigger != 'manual') {
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var binder = options.live ? 'live' : 'bind',
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eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus',
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eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur';
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this[binder](eventIn, enter)[binder](eventOut, leave);
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}
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return this;
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};
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$.fn.tipsy.defaults = {
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className: null,
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delayIn: 0,
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delayOut: 0,
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fade: false,
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fallback: '',
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gravity: 'n',
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html: false,
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live: false,
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offset: 0,
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opacity: 0.8,
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title: 'title',
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trigger: 'hover'
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};
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$.fn.tipsy.revalidate = function() {
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$('.tipsy').each(function() {
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var pointee = $.data(this, 'tipsy-pointee');
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if (!pointee || !isElementInDOM(pointee)) {
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$(this).remove();
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}
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});
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};
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// Overwrite this method to provide options on a per-element basis.
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// For example, you could store the gravity in a 'tipsy-gravity' attribute:
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// return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
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// (remember - do not modify 'options' in place!)
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$.fn.tipsy.elementOptions = function(ele, options) {
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return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
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};
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$.fn.tipsy.autoNS = function() {
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return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
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};
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$.fn.tipsy.autoWE = function() {
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return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
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};
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/**
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* yields a closure of the supplied parameters, producing a function that takes
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* no arguments and is suitable for use as an autogravity function like so:
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*
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* @param margin (int) - distance from the viewable region edge that an
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* element should be before setting its tooltip's gravity to be away
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* from that edge.
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* @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer
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* if there are no viewable region edges effecting the tooltip's
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* gravity. It will try to vary from this minimally, for example,
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* if 'sw' is preferred and an element is near the right viewable
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* region edge, but not the top edge, it will set the gravity for
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* that element's tooltip to be 'se', preserving the southern
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* component.
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*/
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$.fn.tipsy.autoBounds = function(margin, prefer) {
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return function() {
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var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)},
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boundTop = $(document).scrollTop() + margin,
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boundLeft = $(document).scrollLeft() + margin,
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$this = $(this);
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if ($this.offset().top < boundTop) dir.ns = 'n';
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if ($this.offset().left < boundLeft) dir.ew = 'w';
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if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e';
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if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's';
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return dir.ns + (dir.ew ? dir.ew : '');
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}
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};
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})(jQuery);
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