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August 18, 2014 13:57
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/* ======================================================================== | |
* Bootstrap: popover.js v3.2.0 | |
* http://getbootstrap.com/javascript/#popovers | |
* ======================================================================== | |
* Copyright 2011-2014 Twitter, Inc. | |
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) | |
* ======================================================================== */ | |
+function ($) { | |
'use strict'; | |
// POPOVER PUBLIC CLASS DEFINITION | |
// =============================== | |
var Popover = function (element, options) { | |
this.init('popover', element, options) | |
} | |
if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js') | |
Popover.VERSION = '3.2.0' | |
Popover.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, { | |
placement: 'right', | |
trigger: 'click', | |
content: '', | |
template: '<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>' | |
}) | |
// NOTE: POPOVER EXTENDS tooltip.js | |
// ================================ | |
Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype) | |
Popover.prototype.constructor = Popover | |
Popover.prototype.getDefaults = function () { | |
return Popover.DEFAULTS | |
} | |
Popover.prototype.setContent = function () { | |
var $tip = this.tip() | |
var title = this.getTitle() | |
var content = this.getContent() | |
$tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title) | |
// empty() will return values also. | |
// jQ.html(content); equals to jQ['html'](content); 这是一种`技巧` | |
$tip.find('.popover-content').empty()[ // we use append for html objects to maintain js events | |
this.options.html ? (typeof content == 'string' ? 'html' : 'append') : 'text' | |
](content) | |
$tip.removeClass('fade top bottom left right in') | |
// IE8 doesn't accept hiding via the `:empty` pseudo selector, we have to do | |
// this manually by checking the contents. | |
if (!$tip.find('.popover-title').html()){ | |
$tip.find('.popover-title').hide(); | |
} | |
} | |
Popover.prototype.hasContent = function () { | |
return this.getTitle() || this.getContent() | |
} | |
Popover.prototype.getContent = function () { | |
var $e = this.$element | |
var o = this.options | |
return $e.attr('data-content') | |
|| (typeof o.content == 'function' ? | |
o.content.call($e[0]) : | |
o.content) | |
} | |
Popover.prototype.arrow = function () { | |
return (this.$arrow = this.$arrow || this.tip().find('.arrow')) | |
} | |
Popover.prototype.tip = function () { | |
if (!this.$tip) this.$tip = $(this.options.template) | |
return this.$tip | |
} | |
// POPOVER PLUGIN DEFINITION | |
// ========================= | |
function Plugin(option) { | |
return this.each(function () { | |
var $this = $(this) | |
var data = $this.data('bs.popover') | |
// 如果 option 是对象,则返回option; | |
// 否则返回 false; | |
var options = typeof option == 'object' && option; | |
if (!data && option == 'destroy') return | |
if (!data) $this.data('bs.popover', (data = new Popover(this, options))) | |
if (typeof option == 'string') data[option]() | |
}); | |
}; | |
var old = $.fn.popover | |
$.fn.popover = Plugin | |
$.fn.popover.Constructor = Popover | |
// POPOVER NO CONFLICT | |
// =================== | |
$.fn.popover.noConflict = function () { | |
// this is because of before: | |
// $.fn.popover = Plugin | |
// avoid to change the real $.fn.popover | |
$.fn.popover = old; | |
// return jQuery object | |
return this; | |
} | |
}(jQuery); |
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