scala-news-reader

rss/atom news reader in scala

git clone https://9o.is/git/scala-news-reader.git

bootstrap-tooltip.js

(9911B)


      1 /* ===========================================================
      2  * bootstrap-tooltip.js v2.3.2
      3  * http://twitter.github.com/bootstrap/javascript.html#tooltips
      4  * Inspired by the original jQuery.tipsy by Jason Frame
      5  * ===========================================================
      6  * Copyright 2012 Twitter, Inc.
      7  *
      8  * Licensed under the Apache License, Version 2.0 (the "License");
      9  * you may not use this file except in compliance with the License.
     10  * You may obtain a copy of the License at
     11  *
     12  * http://www.apache.org/licenses/LICENSE-2.0
     13  *
     14  * Unless required by applicable law or agreed to in writing, software
     15  * distributed under the License is distributed on an "AS IS" BASIS,
     16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     17  * See the License for the specific language governing permissions and
     18  * limitations under the License.
     19  * ========================================================== */
     20 
     21 
     22 !function ($) {
     23 
     24   "use strict"; // jshint ;_;
     25 
     26 
     27  /* TOOLTIP PUBLIC CLASS DEFINITION
     28   * =============================== */
     29 
     30   var Tooltip = function (element, options) {
     31     this.init('tooltip', element, options)
     32   }
     33 
     34   Tooltip.prototype = {
     35 
     36     constructor: Tooltip
     37 
     38   , init: function (type, element, options) {
     39       var eventIn
     40         , eventOut
     41         , triggers
     42         , trigger
     43         , i
     44 
     45       this.type = type
     46       this.$element = $(element)
     47       this.options = this.getOptions(options)
     48       this.enabled = true
     49 
     50       triggers = this.options.trigger.split(' ')
     51 
     52       for (i = triggers.length; i--;) {
     53         trigger = triggers[i]
     54         if (trigger == 'click') {
     55           this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
     56         } else if (trigger != 'manual') {
     57           eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
     58           eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
     59           this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
     60           this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
     61         }
     62       }
     63 
     64       this.options.selector ?
     65         (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
     66         this.fixTitle()
     67     }
     68 
     69   , getOptions: function (options) {
     70       options = $.extend({}, $.fn[this.type].defaults, this.$element.data(), options)
     71 
     72       if (options.delay && typeof options.delay == 'number') {
     73         options.delay = {
     74           show: options.delay
     75         , hide: options.delay
     76         }
     77       }
     78 
     79       return options
     80     }
     81 
     82   , enter: function (e) {
     83       var defaults = $.fn[this.type].defaults
     84         , options = {}
     85         , self
     86 
     87       this._options && $.each(this._options, function (key, value) {
     88         if (defaults[key] != value) options[key] = value
     89       }, this)
     90 
     91       self = $(e.currentTarget)[this.type](options).data(this.type)
     92 
     93       if (!self.options.delay || !self.options.delay.show) return self.show()
     94 
     95       clearTimeout(this.timeout)
     96       self.hoverState = 'in'
     97       this.timeout = setTimeout(function() {
     98         if (self.hoverState == 'in') self.show()
     99       }, self.options.delay.show)
    100     }
    101 
    102   , leave: function (e) {
    103       var self = $(e.currentTarget)[this.type](this._options).data(this.type)
    104 
    105       if (this.timeout) clearTimeout(this.timeout)
    106       if (!self.options.delay || !self.options.delay.hide) return self.hide()
    107 
    108       self.hoverState = 'out'
    109       this.timeout = setTimeout(function() {
    110         if (self.hoverState == 'out') self.hide()
    111       }, self.options.delay.hide)
    112     }
    113 
    114   , show: function () {
    115       var $tip
    116         , pos
    117         , actualWidth
    118         , actualHeight
    119         , placement
    120         , tp
    121         , e = $.Event('show')
    122 
    123       if (this.hasContent() && this.enabled) {
    124         this.$element.trigger(e)
    125         if (e.isDefaultPrevented()) return
    126         $tip = this.tip()
    127         this.setContent()
    128 
    129         if (this.options.animation) {
    130           $tip.addClass('fade')
    131         }
    132 
    133         placement = typeof this.options.placement == 'function' ?
    134           this.options.placement.call(this, $tip[0], this.$element[0]) :
    135           this.options.placement
    136 
    137         $tip
    138           .detach()
    139           .css({ top: 0, left: 0, display: 'block' })
    140 
    141         this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
    142 
    143         pos = this.getPosition()
    144 
    145         actualWidth = $tip[0].offsetWidth
    146         actualHeight = $tip[0].offsetHeight
    147 
    148         switch (placement) {
    149           case 'bottom':
    150             tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
    151             break
    152           case 'top':
    153             tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
    154             break
    155           case 'left':
    156             tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
    157             break
    158           case 'right':
    159             tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
    160             break
    161         }
    162 
    163         this.applyPlacement(tp, placement)
    164         this.$element.trigger('shown')
    165       }
    166     }
    167 
    168   , applyPlacement: function(offset, placement){
    169       var $tip = this.tip()
    170         , width = $tip[0].offsetWidth
    171         , height = $tip[0].offsetHeight
    172         , actualWidth
    173         , actualHeight
    174         , delta
    175         , replace
    176 
    177       $tip
    178         .offset(offset)
    179         .addClass(placement)
    180         .addClass('in')
    181 
    182       actualWidth = $tip[0].offsetWidth
    183       actualHeight = $tip[0].offsetHeight
    184 
    185       if (placement == 'top' && actualHeight != height) {
    186         offset.top = offset.top + height - actualHeight
    187         replace = true
    188       }
    189 
    190       if (placement == 'bottom' || placement == 'top') {
    191         delta = 0
    192 
    193         if (offset.left < 0){
    194           delta = offset.left * -2
    195           offset.left = 0
    196           $tip.offset(offset)
    197           actualWidth = $tip[0].offsetWidth
    198           actualHeight = $tip[0].offsetHeight
    199         }
    200 
    201         this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
    202       } else {
    203         this.replaceArrow(actualHeight - height, actualHeight, 'top')
    204       }
    205 
    206       if (replace) $tip.offset(offset)
    207     }
    208 
    209   , replaceArrow: function(delta, dimension, position){
    210       this
    211         .arrow()
    212         .css(position, delta ? (50 * (1 - delta / dimension) + "%") : '')
    213     }
    214 
    215   , setContent: function () {
    216       var $tip = this.tip()
    217         , title = this.getTitle()
    218 
    219       $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
    220       $tip.removeClass('fade in top bottom left right')
    221     }
    222 
    223   , hide: function () {
    224       var that = this
    225         , $tip = this.tip()
    226         , e = $.Event('hide')
    227 
    228       this.$element.trigger(e)
    229       if (e.isDefaultPrevented()) return
    230 
    231       $tip.removeClass('in')
    232 
    233       function removeWithAnimation() {
    234         var timeout = setTimeout(function () {
    235           $tip.off($.support.transition.end).detach()
    236         }, 500)
    237 
    238         $tip.one($.support.transition.end, function () {
    239           clearTimeout(timeout)
    240           $tip.detach()
    241         })
    242       }
    243 
    244       $.support.transition && this.$tip.hasClass('fade') ?
    245         removeWithAnimation() :
    246         $tip.detach()
    247 
    248       this.$element.trigger('hidden')
    249 
    250       return this
    251     }
    252 
    253   , fixTitle: function () {
    254       var $e = this.$element
    255       if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
    256         $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
    257       }
    258     }
    259 
    260   , hasContent: function () {
    261       return this.getTitle()
    262     }
    263 
    264   , getPosition: function () {
    265       var el = this.$element[0]
    266       return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
    267         width: el.offsetWidth
    268       , height: el.offsetHeight
    269       }, this.$element.offset())
    270     }
    271 
    272   , getTitle: function () {
    273       var title
    274         , $e = this.$element
    275         , o = this.options
    276 
    277       title = $e.attr('data-original-title')
    278         || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
    279 
    280       return title
    281     }
    282 
    283   , tip: function () {
    284       return this.$tip = this.$tip || $(this.options.template)
    285     }
    286 
    287   , arrow: function(){
    288       return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
    289     }
    290 
    291   , validate: function () {
    292       if (!this.$element[0].parentNode) {
    293         this.hide()
    294         this.$element = null
    295         this.options = null
    296       }
    297     }
    298 
    299   , enable: function () {
    300       this.enabled = true
    301     }
    302 
    303   , disable: function () {
    304       this.enabled = false
    305     }
    306 
    307   , toggleEnabled: function () {
    308       this.enabled = !this.enabled
    309     }
    310 
    311   , toggle: function (e) {
    312       var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
    313       self.tip().hasClass('in') ? self.hide() : self.show()
    314     }
    315 
    316   , destroy: function () {
    317       this.hide().$element.off('.' + this.type).removeData(this.type)
    318     }
    319 
    320   }
    321 
    322 
    323  /* TOOLTIP PLUGIN DEFINITION
    324   * ========================= */
    325 
    326   var old = $.fn.tooltip
    327 
    328   $.fn.tooltip = function ( option ) {
    329     return this.each(function () {
    330       var $this = $(this)
    331         , data = $this.data('tooltip')
    332         , options = typeof option == 'object' && option
    333       if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
    334       if (typeof option == 'string') data[option]()
    335     })
    336   }
    337 
    338   $.fn.tooltip.Constructor = Tooltip
    339 
    340   $.fn.tooltip.defaults = {
    341     animation: true
    342   , placement: 'top'
    343   , selector: false
    344   , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
    345   , trigger: 'hover focus'
    346   , title: ''
    347   , delay: 0
    348   , html: false
    349   , container: false
    350   }
    351 
    352 
    353  /* TOOLTIP NO CONFLICT
    354   * =================== */
    355 
    356   $.fn.tooltip.noConflict = function () {
    357     $.fn.tooltip = old
    358     return this
    359   }
    360 
    361 }(window.jQuery);