| @@ -1,258 +1,258 @@ | ||
| 1 | -// tipsy, facebook style tooltips for jquery | |
| 2 | -// version 1.0.0a | |
| 3 | -// (c) 2008-2010 jason frame [[email protected]] | |
| 4 | -// released under the MIT license | |
| 5 | - | |
| 6 | -(function($) { | |
| 7 | - | |
| 8 | - function maybeCall(thing, ctx) { | |
| 9 | - return (typeof thing == 'function') ? (thing.call(ctx)) : thing; | |
| 10 | - }; | |
| 11 | - | |
| 12 | - function isElementInDOM(ele) { | |
| 13 | - while (ele = ele.parentNode) { | |
| 14 | - if (ele == document) return true; | |
| 15 | - } | |
| 16 | - return false; | |
| 17 | - }; | |
| 18 | - | |
| 19 | - function Tipsy(element, options) { | |
| 20 | - this.$element = $(element); | |
| 21 | - this.options = options; | |
| 22 | - this.enabled = true; | |
| 23 | - this.fixTitle(); | |
| 24 | - }; | |
| 25 | - | |
| 26 | - Tipsy.prototype = { | |
| 27 | - show: function() { | |
| 28 | - var title = this.getTitle(); | |
| 29 | - if (title && this.enabled) { | |
| 30 | - var $tip = this.tip(); | |
| 31 | - | |
| 32 | - $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title); | |
| 33 | - $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity | |
| 34 | - $tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body); | |
| 35 | - | |
| 36 | - var pos = $.extend({}, this.$element.offset(), { | |
| 37 | - width: this.$element[0].offsetWidth, | |
| 38 | - height: this.$element[0].offsetHeight | |
| 39 | - }); | |
| 40 | - | |
| 41 | - var actualWidth = $tip[0].offsetWidth, | |
| 42 | - actualHeight = $tip[0].offsetHeight, | |
| 43 | - gravity = maybeCall(this.options.gravity, this.$element[0]); | |
| 44 | - | |
| 45 | - var tp; | |
| 46 | - switch (gravity.charAt(0)) { | |
| 47 | - case 'n': | |
| 48 | - tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; | |
| 49 | - break; | |
| 50 | - case 's': | |
| 51 | - tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; | |
| 52 | - break; | |
| 53 | - case 'e': | |
| 54 | - tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset}; | |
| 55 | - break; | |
| 56 | - case 'w': | |
| 57 | - tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset}; | |
| 58 | - break; | |
| 59 | - } | |
| 60 | - | |
| 61 | - if (gravity.length == 2) { | |
| 62 | - if (gravity.charAt(1) == 'w') { | |
| 63 | - tp.left = pos.left + pos.width / 2 - 15; | |
| 64 | - } else { | |
| 65 | - tp.left = pos.left + pos.width / 2 - actualWidth + 15; | |
| 66 | - } | |
| 67 | - } | |
| 68 | - | |
| 69 | - $tip.css(tp).addClass('tipsy-' + gravity); | |
| 70 | - $tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0); | |
| 71 | - if (this.options.className) { | |
| 72 | - $tip.addClass(maybeCall(this.options.className, this.$element[0])); | |
| 73 | - } | |
| 74 | - | |
| 75 | - if (this.options.fade) { | |
| 76 | - $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity}); | |
| 77 | - } else { | |
| 78 | - $tip.css({visibility: 'visible', opacity: this.options.opacity}); | |
| 79 | - } | |
| 80 | - } | |
| 81 | - }, | |
| 82 | - | |
| 83 | - hide: function() { | |
| 84 | - if (this.options.fade) { | |
| 85 | - this.tip().stop().fadeOut(function() { $(this).remove(); }); | |
| 86 | - } else { | |
| 87 | - this.tip().remove(); | |
| 88 | - } | |
| 89 | - }, | |
| 90 | - | |
| 91 | - fixTitle: function() { | |
| 92 | - var $e = this.$element; | |
| 93 | - if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') { | |
| 94 | - $e.attr('original-title', $e.attr('title') || '').removeAttr('title'); | |
| 95 | - } | |
| 96 | - }, | |
| 97 | - | |
| 98 | - getTitle: function() { | |
| 99 | - var title, $e = this.$element, o = this.options; | |
| 100 | - this.fixTitle(); | |
| 101 | - var title, o = this.options; | |
| 102 | - if (typeof o.title == 'string') { | |
| 103 | - title = $e.attr(o.title == 'title' ? 'original-title' : o.title); | |
| 104 | - } else if (typeof o.title == 'function') { | |
| 105 | - title = o.title.call($e[0]); | |
| 106 | - } | |
| 107 | - title = ('' + title).replace(/(^\s*|\s*$)/, ""); | |
| 108 | - return title || o.fallback; | |
| 109 | - }, | |
| 110 | - | |
| 111 | - tip: function() { | |
| 112 | - if (!this.$tip) { | |
| 113 | - this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>'); | |
| 114 | - this.$tip.data('tipsy-pointee', this.$element[0]); | |
| 115 | - } | |
| 116 | - return this.$tip; | |
| 117 | - }, | |
| 118 | - | |
| 119 | - validate: function() { | |
| 120 | - if (!this.$element[0].parentNode) { | |
| 121 | - this.hide(); | |
| 122 | - this.$element = null; | |
| 123 | - this.options = null; | |
| 124 | - } | |
| 125 | - }, | |
| 126 | - | |
| 127 | - enable: function() { this.enabled = true; }, | |
| 128 | - disable: function() { this.enabled = false; }, | |
| 129 | - toggleEnabled: function() { this.enabled = !this.enabled; } | |
| 130 | - }; | |
| 131 | - | |
| 132 | - $.fn.tipsy = function(options) { | |
| 133 | - | |
| 134 | - if (options === true) { | |
| 135 | - return this.data('tipsy'); | |
| 136 | - } else if (typeof options == 'string') { | |
| 137 | - var tipsy = this.data('tipsy'); | |
| 138 | - if (tipsy) tipsy[options](); | |
| 139 | - return this; | |
| 140 | - } | |
| 141 | - | |
| 142 | - options = $.extend({}, $.fn.tipsy.defaults, options); | |
| 143 | - | |
| 144 | - function get(ele) { | |
| 145 | - var tipsy = $.data(ele, 'tipsy'); | |
| 146 | - if (!tipsy) { | |
| 147 | - tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options)); | |
| 148 | - $.data(ele, 'tipsy', tipsy); | |
| 149 | - } | |
| 150 | - return tipsy; | |
| 151 | - } | |
| 152 | - | |
| 153 | - function enter() { | |
| 154 | - var tipsy = get(this); | |
| 155 | - tipsy.hoverState = 'in'; | |
| 156 | - if (options.delayIn == 0) { | |
| 157 | - tipsy.show(); | |
| 158 | - } else { | |
| 159 | - tipsy.fixTitle(); | |
| 160 | - setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn); | |
| 161 | - } | |
| 162 | - }; | |
| 163 | - | |
| 164 | - function leave() { | |
| 165 | - var tipsy = get(this); | |
| 166 | - tipsy.hoverState = 'out'; | |
| 167 | - if (options.delayOut == 0) { | |
| 168 | - tipsy.hide(); | |
| 169 | - } else { | |
| 170 | - setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut); | |
| 171 | - } | |
| 172 | - }; | |
| 173 | - | |
| 174 | - if (!options.live) this.each(function() { get(this); }); | |
| 175 | - | |
| 176 | - if (options.trigger != 'manual') { | |
| 177 | - var binder = options.live ? 'live' : 'bind', | |
| 178 | - eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus', | |
| 179 | - eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur'; | |
| 180 | - this[binder](eventIn, enter)[binder](eventOut, leave); | |
| 181 | - } | |
| 182 | - | |
| 183 | - return this; | |
| 184 | - | |
| 185 | - }; | |
| 186 | - | |
| 187 | - $.fn.tipsy.defaults = { | |
| 188 | - className: null, | |
| 189 | - delayIn: 0, | |
| 190 | - delayOut: 0, | |
| 191 | - fade: false, | |
| 192 | - fallback: '', | |
| 193 | - gravity: 'n', | |
| 194 | - html: false, | |
| 195 | - live: false, | |
| 196 | - offset: 0, | |
| 197 | - opacity: 0.8, | |
| 198 | - title: 'title', | |
| 199 | - trigger: 'hover' | |
| 200 | - }; | |
| 201 | - | |
| 202 | - $.fn.tipsy.revalidate = function() { | |
| 203 | - $('.tipsy').each(function() { | |
| 204 | - var pointee = $.data(this, 'tipsy-pointee'); | |
| 205 | - if (!pointee || !isElementInDOM(pointee)) { | |
| 206 | - $(this).remove(); | |
| 207 | - } | |
| 208 | - }); | |
| 209 | - }; | |
| 210 | - | |
| 211 | - // Overwrite this method to provide options on a per-element basis. | |
| 212 | - // For example, you could store the gravity in a 'tipsy-gravity' attribute: | |
| 213 | - // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' }); | |
| 214 | - // (remember - do not modify 'options' in place!) | |
| 215 | - $.fn.tipsy.elementOptions = function(ele, options) { | |
| 216 | - return $.metadata ? $.extend({}, options, $(ele).metadata()) : options; | |
| 217 | - }; | |
| 218 | - | |
| 219 | - $.fn.tipsy.autoNS = function() { | |
| 220 | - return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n'; | |
| 221 | - }; | |
| 222 | - | |
| 223 | - $.fn.tipsy.autoWE = function() { | |
| 224 | - return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w'; | |
| 225 | - }; | |
| 226 | - | |
| 227 | - /** | |
| 228 | - * yields a closure of the supplied parameters, producing a function that takes | |
| 229 | - * no arguments and is suitable for use as an autogravity function like so: | |
| 230 | - * | |
| 231 | - * @param margin (int) - distance from the viewable region edge that an | |
| 232 | - * element should be before setting its tooltip's gravity to be away | |
| 233 | - * from that edge. | |
| 234 | - * @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer | |
| 235 | - * if there are no viewable region edges effecting the tooltip's | |
| 236 | - * gravity. It will try to vary from this minimally, for example, | |
| 237 | - * if 'sw' is preferred and an element is near the right viewable | |
| 238 | - * region edge, but not the top edge, it will set the gravity for | |
| 239 | - * that element's tooltip to be 'se', preserving the southern | |
| 240 | - * component. | |
| 241 | - */ | |
| 242 | - $.fn.tipsy.autoBounds = function(margin, prefer) { | |
| 243 | - return function() { | |
| 244 | - var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)}, | |
| 245 | - boundTop = $(document).scrollTop() + margin, | |
| 246 | - boundLeft = $(document).scrollLeft() + margin, | |
| 247 | - $this = $(this); | |
| 248 | - | |
| 249 | - if ($this.offset().top < boundTop) dir.ns = 'n'; | |
| 250 | - if ($this.offset().left < boundLeft) dir.ew = 'w'; | |
| 251 | - if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e'; | |
| 252 | - if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's'; | |
| 253 | - | |
| 254 | - return dir.ns + (dir.ew ? dir.ew : ''); | |
| 255 | - } | |
| 256 | - }; | |
| 257 | - | |
| 1 | +// tipsy, facebook style tooltips for jquery | |
| 2 | +// version 1.0.0a | |
| 3 | +// (c) 2008-2010 jason frame [[email protected]] | |
| 4 | +// released under the MIT license | |
| 5 | + | |
| 6 | +(function($) { | |
| 7 | + | |
| 8 | + function maybeCall(thing, ctx) { | |
| 9 | + return (typeof thing == 'function') ? (thing.call(ctx)) : thing; | |
| 10 | + }; | |
| 11 | + | |
| 12 | + function isElementInDOM(ele) { | |
| 13 | + while (ele = ele.parentNode) { | |
| 14 | + if (ele == document) return true; | |
| 15 | + } | |
| 16 | + return false; | |
| 17 | + }; | |
| 18 | + | |
| 19 | + function Tipsy(element, options) { | |
| 20 | + this.$element = $(element); | |
| 21 | + this.options = options; | |
| 22 | + this.enabled = true; | |
| 23 | + this.fixTitle(); | |
| 24 | + }; | |
| 25 | + | |
| 26 | + Tipsy.prototype = { | |
| 27 | + show: function() { | |
| 28 | + var title = this.getTitle(); | |
| 29 | + if (title && this.enabled) { | |
| 30 | + var $tip = this.tip(); | |
| 31 | + | |
| 32 | + $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title); | |
| 33 | + $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity | |
| 34 | + $tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body); | |
| 35 | + | |
| 36 | + var pos = $.extend({}, this.$element.offset(), { | |
| 37 | + width: this.$element[0].offsetWidth, | |
| 38 | + height: this.$element[0].offsetHeight | |
| 39 | + }); | |
| 40 | + | |
| 41 | + var actualWidth = $tip[0].offsetWidth, | |
| 42 | + actualHeight = $tip[0].offsetHeight, | |
| 43 | + gravity = maybeCall(this.options.gravity, this.$element[0]); | |
| 44 | + | |
| 45 | + var tp; | |
| 46 | + switch (gravity.charAt(0)) { | |
| 47 | + case 'n': | |
| 48 | + tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; | |
| 49 | + break; | |
| 50 | + case 's': | |
| 51 | + tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; | |
| 52 | + break; | |
| 53 | + case 'e': | |
| 54 | + tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset}; | |
| 55 | + break; | |
| 56 | + case 'w': | |
| 57 | + tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset}; | |
| 58 | + break; | |
| 59 | + } | |
| 60 | + | |
| 61 | + if (gravity.length == 2) { | |
| 62 | + if (gravity.charAt(1) == 'w') { | |
| 63 | + tp.left = pos.left + pos.width / 2 - 15; | |
| 64 | + } else { | |
| 65 | + tp.left = pos.left + pos.width / 2 - actualWidth + 15; | |
| 66 | + } | |
| 67 | + } | |
| 68 | + | |
| 69 | + $tip.css(tp).addClass('tipsy-' + gravity); | |
| 70 | + $tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0); | |
| 71 | + if (this.options.className) { | |
| 72 | + $tip.addClass(maybeCall(this.options.className, this.$element[0])); | |
| 73 | + } | |
| 74 | + | |
| 75 | + if (this.options.fade) { | |
| 76 | + $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity}); | |
| 77 | + } else { | |
| 78 | + $tip.css({visibility: 'visible', opacity: this.options.opacity}); | |
| 79 | + } | |
| 80 | + } | |
| 81 | + }, | |
| 82 | + | |
| 83 | + hide: function() { | |
| 84 | + if (this.options.fade) { | |
| 85 | + this.tip().stop().fadeOut(function() { $(this).remove(); }); | |
| 86 | + } else { | |
| 87 | + this.tip().remove(); | |
| 88 | + } | |
| 89 | + }, | |
| 90 | + | |
| 91 | + fixTitle: function() { | |
| 92 | + var $e = this.$element; | |
| 93 | + if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') { | |
| 94 | + $e.attr('original-title', $e.attr('title') || '').removeAttr('title'); | |
| 95 | + } | |
| 96 | + }, | |
| 97 | + | |
| 98 | + getTitle: function() { | |
| 99 | + var title, $e = this.$element, o = this.options; | |
| 100 | + this.fixTitle(); | |
| 101 | + var title, o = this.options; | |
| 102 | + if (typeof o.title == 'string') { | |
| 103 | + title = $e.attr(o.title == 'title' ? 'original-title' : o.title); | |
| 104 | + } else if (typeof o.title == 'function') { | |
| 105 | + title = o.title.call($e[0]); | |
| 106 | + } | |
| 107 | + title = ('' + title).replace(/(^\s*|\s*$)/, ""); | |
| 108 | + return title || o.fallback; | |
| 109 | + }, | |
| 110 | + | |
| 111 | + tip: function() { | |
| 112 | + if (!this.$tip) { | |
| 113 | + this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>'); | |
| 114 | + this.$tip.data('tipsy-pointee', this.$element[0]); | |
| 115 | + } | |
| 116 | + return this.$tip; | |
| 117 | + }, | |
| 118 | + | |
| 119 | + validate: function() { | |
| 120 | + if (!this.$element[0].parentNode) { | |
| 121 | + this.hide(); | |
| 122 | + this.$element = null; | |
| 123 | + this.options = null; | |
| 124 | + } | |
| 125 | + }, | |
| 126 | + | |
| 127 | + enable: function() { this.enabled = true; }, | |
| 128 | + disable: function() { this.enabled = false; }, | |
| 129 | + toggleEnabled: function() { this.enabled = !this.enabled; } | |
| 130 | + }; | |
| 131 | + | |
| 132 | + $.fn.tipsy = function(options) { | |
| 133 | + | |
| 134 | + if (options === true) { | |
| 135 | + return this.data('tipsy'); | |
| 136 | + } else if (typeof options == 'string') { | |
| 137 | + var tipsy = this.data('tipsy'); | |
| 138 | + if (tipsy) tipsy[options](); | |
| 139 | + return this; | |
| 140 | + } | |
| 141 | + | |
| 142 | + options = $.extend({}, $.fn.tipsy.defaults, options); | |
| 143 | + | |
| 144 | + function get(ele) { | |
| 145 | + var tipsy = $.data(ele, 'tipsy'); | |
| 146 | + if (!tipsy) { | |
| 147 | + tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options)); | |
| 148 | + $.data(ele, 'tipsy', tipsy); | |
| 149 | + } | |
| 150 | + return tipsy; | |
| 151 | + } | |
| 152 | + | |
| 153 | + function enter() { | |
| 154 | + var tipsy = get(this); | |
| 155 | + tipsy.hoverState = 'in'; | |
| 156 | + if (options.delayIn == 0) { | |
| 157 | + tipsy.show(); | |
| 158 | + } else { | |
| 159 | + tipsy.fixTitle(); | |
| 160 | + setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn); | |
| 161 | + } | |
| 162 | + }; | |
| 163 | + | |
| 164 | + function leave() { | |
| 165 | + var tipsy = get(this); | |
| 166 | + tipsy.hoverState = 'out'; | |
| 167 | + if (options.delayOut == 0) { | |
| 168 | + tipsy.hide(); | |
| 169 | + } else { | |
| 170 | + setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut); | |
| 171 | + } | |
| 172 | + }; | |
| 173 | + | |
| 174 | + if (!options.live) this.each(function() { get(this); }); | |
| 175 | + | |
| 176 | + if (options.trigger != 'manual') { | |
| 177 | + var binder = options.live ? 'live' : 'bind', | |
| 178 | + eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus', | |
| 179 | + eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur'; | |
| 180 | + this[binder](eventIn, enter)[binder](eventOut, leave); | |
| 181 | + } | |
| 182 | + | |
| 183 | + return this; | |
| 184 | + | |
| 185 | + }; | |
| 186 | + | |
| 187 | + $.fn.tipsy.defaults = { | |
| 188 | + className: null, | |
| 189 | + delayIn: 0, | |
| 190 | + delayOut: 0, | |
| 191 | + fade: false, | |
| 192 | + fallback: '', | |
| 193 | + gravity: 'n', | |
| 194 | + html: false, | |
| 195 | + live: false, | |
| 196 | + offset: 0, | |
| 197 | + opacity: 0.8, | |
| 198 | + title: 'title', | |
| 199 | + trigger: 'hover' | |
| 200 | + }; | |
| 201 | + | |
| 202 | + $.fn.tipsy.revalidate = function() { | |
| 203 | + $('.tipsy').each(function() { | |
| 204 | + var pointee = $.data(this, 'tipsy-pointee'); | |
| 205 | + if (!pointee || !isElementInDOM(pointee)) { | |
| 206 | + $(this).remove(); | |
| 207 | + } | |
| 208 | + }); | |
| 209 | + }; | |
| 210 | + | |
| 211 | + // Overwrite this method to provide options on a per-element basis. | |
| 212 | + // For example, you could store the gravity in a 'tipsy-gravity' attribute: | |
| 213 | + // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' }); | |
| 214 | + // (remember - do not modify 'options' in place!) | |
| 215 | + $.fn.tipsy.elementOptions = function(ele, options) { | |
| 216 | + return $.metadata ? $.extend({}, options, $(ele).metadata()) : options; | |
| 217 | + }; | |
| 218 | + | |
| 219 | + $.fn.tipsy.autoNS = function() { | |
| 220 | + return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n'; | |
| 221 | + }; | |
| 222 | + | |
| 223 | + $.fn.tipsy.autoWE = function() { | |
| 224 | + return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w'; | |
| 225 | + }; | |
| 226 | + | |
| 227 | + /** | |
| 228 | + * yields a closure of the supplied parameters, producing a function that takes | |
| 229 | + * no arguments and is suitable for use as an autogravity function like so: | |
| 230 | + * | |
| 231 | + * @param margin (int) - distance from the viewable region edge that an | |
| 232 | + * element should be before setting its tooltip's gravity to be away | |
| 233 | + * from that edge. | |
| 234 | + * @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer | |
| 235 | + * if there are no viewable region edges effecting the tooltip's | |
| 236 | + * gravity. It will try to vary from this minimally, for example, | |
| 237 | + * if 'sw' is preferred and an element is near the right viewable | |
| 238 | + * region edge, but not the top edge, it will set the gravity for | |
| 239 | + * that element's tooltip to be 'se', preserving the southern | |
| 240 | + * component. | |
| 241 | + */ | |
| 242 | + $.fn.tipsy.autoBounds = function(margin, prefer) { | |
| 243 | + return function() { | |
| 244 | + var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)}, | |
| 245 | + boundTop = $(document).scrollTop() + margin, | |
| 246 | + boundLeft = $(document).scrollLeft() + margin, | |
| 247 | + $this = $(this); | |
| 248 | + | |
| 249 | + if ($this.offset().top < boundTop) dir.ns = 'n'; | |
| 250 | + if ($this.offset().left < boundLeft) dir.ew = 'w'; | |
| 251 | + if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e'; | |
| 252 | + if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's'; | |
| 253 | + | |
| 254 | + return dir.ns + (dir.ew ? dir.ew : ''); | |
| 255 | + } | |
| 256 | + }; | |
| 257 | + | |
| 258 | 258 | })(jQuery); |
