github.com/kayoticsully/syncthing@v0.8.9-0.20140724133906-c45a2fdc03f8/assets/bootstrap-3.1.1/js/tooltip.js (about)

     1  /* ========================================================================
     2   * Bootstrap: tooltip.js v3.1.1
     3   * http://getbootstrap.com/javascript/#tooltip
     4   * Inspired by the original jQuery.tipsy by Jason Frame
     5   * ========================================================================
     6   * Copyright 2011-2014 Twitter, Inc.
     7   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     8   * ======================================================================== */
     9  
    10  
    11  +function ($) {
    12    'use strict';
    13  
    14    // TOOLTIP PUBLIC CLASS DEFINITION
    15    // ===============================
    16  
    17    var Tooltip = function (element, options) {
    18      this.type       =
    19      this.options    =
    20      this.enabled    =
    21      this.timeout    =
    22      this.hoverState =
    23      this.$element   = null
    24  
    25      this.init('tooltip', element, options)
    26    }
    27  
    28    Tooltip.DEFAULTS = {
    29      animation: true,
    30      placement: 'top',
    31      selector: false,
    32      template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',
    33      trigger: 'hover focus',
    34      title: '',
    35      delay: 0,
    36      html: false,
    37      container: false
    38    }
    39  
    40    Tooltip.prototype.init = function (type, element, options) {
    41      this.enabled  = true
    42      this.type     = type
    43      this.$element = $(element)
    44      this.options  = this.getOptions(options)
    45  
    46      var triggers = this.options.trigger.split(' ')
    47  
    48      for (var i = triggers.length; i--;) {
    49        var trigger = triggers[i]
    50  
    51        if (trigger == 'click') {
    52          this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
    53        } else if (trigger != 'manual') {
    54          var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'
    55          var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'
    56  
    57          this.$element.on(eventIn  + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
    58          this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
    59        }
    60      }
    61  
    62      this.options.selector ?
    63        (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
    64        this.fixTitle()
    65    }
    66  
    67    Tooltip.prototype.getDefaults = function () {
    68      return Tooltip.DEFAULTS
    69    }
    70  
    71    Tooltip.prototype.getOptions = function (options) {
    72      options = $.extend({}, this.getDefaults(), this.$element.data(), options)
    73  
    74      if (options.delay && typeof options.delay == 'number') {
    75        options.delay = {
    76          show: options.delay,
    77          hide: options.delay
    78        }
    79      }
    80  
    81      return options
    82    }
    83  
    84    Tooltip.prototype.getDelegateOptions = function () {
    85      var options  = {}
    86      var defaults = this.getDefaults()
    87  
    88      this._options && $.each(this._options, function (key, value) {
    89        if (defaults[key] != value) options[key] = value
    90      })
    91  
    92      return options
    93    }
    94  
    95    Tooltip.prototype.enter = function (obj) {
    96      var self = obj instanceof this.constructor ?
    97        obj : $(obj.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type)
    98  
    99      clearTimeout(self.timeout)
   100  
   101      self.hoverState = 'in'
   102  
   103      if (!self.options.delay || !self.options.delay.show) return self.show()
   104  
   105      self.timeout = setTimeout(function () {
   106        if (self.hoverState == 'in') self.show()
   107      }, self.options.delay.show)
   108    }
   109  
   110    Tooltip.prototype.leave = function (obj) {
   111      var self = obj instanceof this.constructor ?
   112        obj : $(obj.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type)
   113  
   114      clearTimeout(self.timeout)
   115  
   116      self.hoverState = 'out'
   117  
   118      if (!self.options.delay || !self.options.delay.hide) return self.hide()
   119  
   120      self.timeout = setTimeout(function () {
   121        if (self.hoverState == 'out') self.hide()
   122      }, self.options.delay.hide)
   123    }
   124  
   125    Tooltip.prototype.show = function () {
   126      var e = $.Event('show.bs.' + this.type)
   127  
   128      if (this.hasContent() && this.enabled) {
   129        this.$element.trigger(e)
   130  
   131        if (e.isDefaultPrevented()) return
   132        var that = this;
   133  
   134        var $tip = this.tip()
   135  
   136        this.setContent()
   137  
   138        if (this.options.animation) $tip.addClass('fade')
   139  
   140        var placement = typeof this.options.placement == 'function' ?
   141          this.options.placement.call(this, $tip[0], this.$element[0]) :
   142          this.options.placement
   143  
   144        var autoToken = /\s?auto?\s?/i
   145        var autoPlace = autoToken.test(placement)
   146        if (autoPlace) placement = placement.replace(autoToken, '') || 'top'
   147  
   148        $tip
   149          .detach()
   150          .css({ top: 0, left: 0, display: 'block' })
   151          .addClass(placement)
   152  
   153        this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
   154  
   155        var pos          = this.getPosition()
   156        var actualWidth  = $tip[0].offsetWidth
   157        var actualHeight = $tip[0].offsetHeight
   158  
   159        if (autoPlace) {
   160          var $parent = this.$element.parent()
   161  
   162          var orgPlacement = placement
   163          var docScroll    = document.documentElement.scrollTop || document.body.scrollTop
   164          var parentWidth  = this.options.container == 'body' ? window.innerWidth  : $parent.outerWidth()
   165          var parentHeight = this.options.container == 'body' ? window.innerHeight : $parent.outerHeight()
   166          var parentLeft   = this.options.container == 'body' ? 0 : $parent.offset().left
   167  
   168          placement = placement == 'bottom' && pos.top   + pos.height  + actualHeight - docScroll > parentHeight  ? 'top'    :
   169                      placement == 'top'    && pos.top   - docScroll   - actualHeight < 0                         ? 'bottom' :
   170                      placement == 'right'  && pos.right + actualWidth > parentWidth                              ? 'left'   :
   171                      placement == 'left'   && pos.left  - actualWidth < parentLeft                               ? 'right'  :
   172                      placement
   173  
   174          $tip
   175            .removeClass(orgPlacement)
   176            .addClass(placement)
   177        }
   178  
   179        var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)
   180  
   181        this.applyPlacement(calculatedOffset, placement)
   182        this.hoverState = null
   183  
   184        var complete = function() {
   185          that.$element.trigger('shown.bs.' + that.type)
   186        }
   187  
   188        $.support.transition && this.$tip.hasClass('fade') ?
   189          $tip
   190            .one($.support.transition.end, complete)
   191            .emulateTransitionEnd(150) :
   192          complete()
   193      }
   194    }
   195  
   196    Tooltip.prototype.applyPlacement = function (offset, placement) {
   197      var replace
   198      var $tip   = this.tip()
   199      var width  = $tip[0].offsetWidth
   200      var height = $tip[0].offsetHeight
   201  
   202      // manually read margins because getBoundingClientRect includes difference
   203      var marginTop = parseInt($tip.css('margin-top'), 10)
   204      var marginLeft = parseInt($tip.css('margin-left'), 10)
   205  
   206      // we must check for NaN for ie 8/9
   207      if (isNaN(marginTop))  marginTop  = 0
   208      if (isNaN(marginLeft)) marginLeft = 0
   209  
   210      offset.top  = offset.top  + marginTop
   211      offset.left = offset.left + marginLeft
   212  
   213      // $.fn.offset doesn't round pixel values
   214      // so we use setOffset directly with our own function B-0
   215      $.offset.setOffset($tip[0], $.extend({
   216        using: function (props) {
   217          $tip.css({
   218            top: Math.round(props.top),
   219            left: Math.round(props.left)
   220          })
   221        }
   222      }, offset), 0)
   223  
   224      $tip.addClass('in')
   225  
   226      // check to see if placing tip in new offset caused the tip to resize itself
   227      var actualWidth  = $tip[0].offsetWidth
   228      var actualHeight = $tip[0].offsetHeight
   229  
   230      if (placement == 'top' && actualHeight != height) {
   231        replace = true
   232        offset.top = offset.top + height - actualHeight
   233      }
   234  
   235      if (/bottom|top/.test(placement)) {
   236        var delta = 0
   237  
   238        if (offset.left < 0) {
   239          delta       = offset.left * -2
   240          offset.left = 0
   241  
   242          $tip.offset(offset)
   243  
   244          actualWidth  = $tip[0].offsetWidth
   245          actualHeight = $tip[0].offsetHeight
   246        }
   247  
   248        this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
   249      } else {
   250        this.replaceArrow(actualHeight - height, actualHeight, 'top')
   251      }
   252  
   253      if (replace) $tip.offset(offset)
   254    }
   255  
   256    Tooltip.prototype.replaceArrow = function (delta, dimension, position) {
   257      this.arrow().css(position, delta ? (50 * (1 - delta / dimension) + '%') : '')
   258    }
   259  
   260    Tooltip.prototype.setContent = function () {
   261      var $tip  = this.tip()
   262      var title = this.getTitle()
   263  
   264      $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
   265      $tip.removeClass('fade in top bottom left right')
   266    }
   267  
   268    Tooltip.prototype.hide = function () {
   269      var that = this
   270      var $tip = this.tip()
   271      var e    = $.Event('hide.bs.' + this.type)
   272  
   273      function complete() {
   274        if (that.hoverState != 'in') $tip.detach()
   275        that.$element.trigger('hidden.bs.' + that.type)
   276      }
   277  
   278      this.$element.trigger(e)
   279  
   280      if (e.isDefaultPrevented()) return
   281  
   282      $tip.removeClass('in')
   283  
   284      $.support.transition && this.$tip.hasClass('fade') ?
   285        $tip
   286          .one($.support.transition.end, complete)
   287          .emulateTransitionEnd(150) :
   288        complete()
   289  
   290      this.hoverState = null
   291  
   292      return this
   293    }
   294  
   295    Tooltip.prototype.fixTitle = function () {
   296      var $e = this.$element
   297      if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
   298        $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
   299      }
   300    }
   301  
   302    Tooltip.prototype.hasContent = function () {
   303      return this.getTitle()
   304    }
   305  
   306    Tooltip.prototype.getPosition = function () {
   307      var el = this.$element[0]
   308      return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
   309        width: el.offsetWidth,
   310        height: el.offsetHeight
   311      }, this.$element.offset())
   312    }
   313  
   314    Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
   315      return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualWidth / 2  } :
   316             placement == 'top'    ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2  } :
   317             placement == 'left'   ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
   318          /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width   }
   319    }
   320  
   321    Tooltip.prototype.getTitle = function () {
   322      var title
   323      var $e = this.$element
   324      var o  = this.options
   325  
   326      title = $e.attr('data-original-title')
   327        || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
   328  
   329      return title
   330    }
   331  
   332    Tooltip.prototype.tip = function () {
   333      return this.$tip = this.$tip || $(this.options.template)
   334    }
   335  
   336    Tooltip.prototype.arrow = function () {
   337      return this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')
   338    }
   339  
   340    Tooltip.prototype.validate = function () {
   341      if (!this.$element[0].parentNode) {
   342        this.hide()
   343        this.$element = null
   344        this.options  = null
   345      }
   346    }
   347  
   348    Tooltip.prototype.enable = function () {
   349      this.enabled = true
   350    }
   351  
   352    Tooltip.prototype.disable = function () {
   353      this.enabled = false
   354    }
   355  
   356    Tooltip.prototype.toggleEnabled = function () {
   357      this.enabled = !this.enabled
   358    }
   359  
   360    Tooltip.prototype.toggle = function (e) {
   361      var self = e ? $(e.currentTarget)[this.type](this.getDelegateOptions()).data('bs.' + this.type) : this
   362      self.tip().hasClass('in') ? self.leave(self) : self.enter(self)
   363    }
   364  
   365    Tooltip.prototype.destroy = function () {
   366      clearTimeout(this.timeout)
   367      this.hide().$element.off('.' + this.type).removeData('bs.' + this.type)
   368    }
   369  
   370  
   371    // TOOLTIP PLUGIN DEFINITION
   372    // =========================
   373  
   374    var old = $.fn.tooltip
   375  
   376    $.fn.tooltip = function (option) {
   377      return this.each(function () {
   378        var $this   = $(this)
   379        var data    = $this.data('bs.tooltip')
   380        var options = typeof option == 'object' && option
   381  
   382        if (!data && option == 'destroy') return
   383        if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))
   384        if (typeof option == 'string') data[option]()
   385      })
   386    }
   387  
   388    $.fn.tooltip.Constructor = Tooltip
   389  
   390  
   391    // TOOLTIP NO CONFLICT
   392    // ===================
   393  
   394    $.fn.tooltip.noConflict = function () {
   395      $.fn.tooltip = old
   396      return this
   397    }
   398  
   399  }(jQuery);