friendica/view/theme/frio/frameworks/jasny/js/jasny-bootstrap.custom.js

/*!
 * Jasny Bootstrap v3.1.3 (http://jasny.github.io/bootstrap)
 * Copyright 2012-2014 Arnold Daniels
 * Licensed under Apache-2.0 (https://github.com/jasny/bootstrap/blob/master/LICENSE)
 */

if (typeof jQuery === 'undefined') { throw new Error('Jasny Bootstrap\'s JavaScript requires jQuery') }

/* ========================================================================
 * Bootstrap: transition.js v3.1.3
 * http://getbootstrap.com/javascript/#transitions
 * ========================================================================
 * Copyright 2011-2014 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * ======================================================================== */


+function ($) {
  'use strict';

  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
  // ============================================================

  function transitionEnd() {
    var el = document.createElement('bootstrap')

    var transEndEventNames = {
      WebkitTransition : 'webkitTransitionEnd',
      MozTransition    : 'transitionend',
      OTransition      : 'oTransitionEnd otransitionend',
      transition       : 'transitionend'
    }

    for (var name in transEndEventNames) {
      if (el.style[name] !== undefined) {
        return { end: transEndEventNames[name] }
      }
    }

    return false // explicit for ie8 (  ._.)
  }

  if ($.support.transition !== undefined) return  // Prevent conflict with Twitter Bootstrap

  // http://blog.alexmaccaw.com/css-transitions
  $.fn.emulateTransitionEnd = function (duration) {
    var called = false, $el = this
    $(this).one($.support.transition.end, function () { called = true })
    var callback = function () { if (!called) $($el).trigger($.support.transition.end) }
    setTimeout(callback, duration)
    return this
  }

  $(function () {
    $.support.transition = transitionEnd()
  })

}(window.jQuery);

/* ========================================================================
 * Bootstrap: offcanvas.js v3.1.3
 * http://jasny.github.io/bootstrap/javascript/#offcanvas
 * ========================================================================
 * Copyright 2013-2014 Arnold Daniels
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ======================================================================== */

+function ($) { "use strict";

  // OFFCANVAS PUBLIC CLASS DEFINITION
  // =================================

  var OffCanvas = function (element, options) {
    this.$element = $(element)
    this.options  = $.extend({}, OffCanvas.DEFAULTS, options)
    this.state    = null
    this.placement = null
    
    if (this.options.recalc) {
      this.calcClone()
      $(window).on('resize', $.proxy(this.recalc, this))
    }
    
    if (this.options.autohide)
      $(document).on('click', $.proxy(this.autohide, this))

    if (this.options.toggle) this.toggle()
    
    if (this.options.disablescrolling) {
        this.options.disableScrolling = this.options.disablescrolling
        delete this.options.disablescrolling
    }
  }

  OffCanvas.DEFAULTS = {
    toggle: true,
    placement: 'auto',
    autohide: true,
    recalc: true,
    disableScrolling: false
  }

  OffCanvas.prototype.offset = function () {
    switch (this.placement) {
      case 'left':
      case 'right':  return this.$element.outerWidth()
      case 'top':
      case 'bottom': return this.$element.outerHeight()
    }
  }
  
  OffCanvas.prototype.calcPlacement = function () {
    if (this.options.placement !== 'auto') {
        this.placement = this.options.placement
        return
    }
    
    if (!this.$element.hasClass('in')) {
      this.$element.css('visiblity', 'hidden !important').addClass('in')
    } 
    
    var horizontal = $(window).width() / this.$element.width()
    var vertical = $(window).height() / this.$element.height()
        
    var element = this.$element
    function ab(a, b) {
      if (element.css(b) === 'auto') return a
      if (element.css(a) === 'auto') return b
      
      var size_a = parseInt(element.css(a), 10)
      var size_b = parseInt(element.css(b), 10)
  
      return size_a > size_b ? b : a
    }
    
    this.placement = horizontal >= vertical ? ab('left', 'right') : ab('top', 'bottom')
      
    if (this.$element.css('visibility') === 'hidden !important') {
      this.$element.removeClass('in').css('visiblity', '')
    }
  }
  
  OffCanvas.prototype.opposite = function (placement) {
    switch (placement) {
      case 'top':    return 'bottom'
      case 'left':   return 'right'
      case 'bottom': return 'top'
      case 'right':  return 'left'
    }
  }
  
  OffCanvas.prototype.getCanvasElements = function() {
    // Return a set containing the canvas plus all fixed elements
    var canvas = this.options.canvas ? $(this.options.canvas) : this.$element
    
    var fixed_elements = canvas.find('*').filter(function() {
      return $(this).css('position') === 'fixed'
    }).not(this.options.exclude)
    
    return canvas.add(fixed_elements)
  }
  
  OffCanvas.prototype.slide = function (elements, offset, callback) {
    // Use jQuery animation if CSS transitions aren't supported
    if (!$.support.transition) {
      var anim = {}
      anim[this.placement] = "+=" + offset
      return elements.animate(anim, 350, callback)
    }

    var placement = this.placement
    var opposite = this.opposite(placement)
    
    elements.each(function() {
      if ($(this).css(placement) !== 'auto')
        $(this).css(placement, (parseInt($(this).css(placement), 10) || 0) + offset)
      
      if ($(this).css(opposite) !== 'auto')
        $(this).css(opposite, (parseInt($(this).css(opposite), 10) || 0) - offset)
    })
    
    this.$element
      .one($.support.transition.end, callback)
      .emulateTransitionEnd(350)
  }

  OffCanvas.prototype.disableScrolling = function() {
    var bodyWidth = $('body').width()
    var prop = 'padding-' + this.opposite(this.placement)

    if ($('body').data('offcanvas-style') === undefined) {
      $('body').data('offcanvas-style', $('body').attr('style') || '')
    }
      
    $('body').css('overflow', 'hidden')

    if ($('body').width() > bodyWidth) {
      var padding = parseInt($('body').css(prop), 10) + $('body').width() - bodyWidth
      
      setTimeout(function() {
        $('body').css(prop, padding)
      }, 1)
    }
  }

  OffCanvas.prototype.show = function () {
    if (this.state) return
    
    var startEvent = $.Event('show.bs.offcanvas')
    this.$element.trigger(startEvent)
    if (startEvent.isDefaultPrevented()) return

    this.state = 'slide-in'
    this.calcPlacement();
    
    var elements = this.getCanvasElements()
    var placement = this.placement
    var opposite = this.opposite(placement)
    var offset = this.offset()

    if (elements.index(this.$element) !== -1) {
      $(this.$element).data('offcanvas-style', $(this.$element).attr('style') || '')
      this.$element.css(placement, -1 * offset)
      this.$element.css(placement); // Workaround: Need to get the CSS property for it to be applied before the next line of code
    }

    elements.addClass('canvas-sliding').each(function() {
      if ($(this).data('offcanvas-style') === undefined) $(this).data('offcanvas-style', $(this).attr('style') || '')
      if ($(this).css('position') === 'static') $(this).css('position', 'relative')
      if (($(this).css(placement) === 'auto' || $(this).css(placement) === '0px') &&
          ($(this).css(opposite) === 'auto' || $(this).css(opposite) === '0px')) {
        $(this).css(placement, 0)
      }
    })
    
    if (this.options.disableScrolling) this.disableScrolling()
    
    var complete = function () {
      if (this.state != 'slide-in') return
      
      this.state = 'slid'

      elements.removeClass('canvas-sliding').addClass('canvas-slid')
      this.$element.trigger('shown.bs.offcanvas')
    }

    setTimeout($.proxy(function() {
      this.$element.addClass('in')
      this.slide(elements, offset, $.proxy(complete, this))
    }, this), 1)
  }

  OffCanvas.prototype.hide = function (fast) {
    if (this.state !== 'slid') return

    var startEvent = $.Event('hide.bs.offcanvas')
    this.$element.trigger(startEvent)
    if (startEvent.isDefaultPrevented()) return

    this.state = 'slide-out'

    var elements = $('.canvas-slid')
    var placement = this.placement
    var offset = -1 * this.offset()

    var complete = function () {
      if (this.state != 'slide-out') return
      
      this.state = null
      this.placement = null
      
      this.$element.removeClass('in')
      
      elements.removeClass('canvas-sliding')
      elements.add(this.$element).add('body').each(function() {
        $(this).attr('style', $(this).data('offcanvas-style')).removeData('offcanvas-style')
      })

      this.$element.trigger('hidden.bs.offcanvas')
    }

    elements.removeClass('canvas-slid').addClass('canvas-sliding')
    
    setTimeout($.proxy(function() {
      this.slide(elements, offset, $.proxy(complete, this))
    }, this), 1)
  }

  OffCanvas.prototype.toggle = function () {
    if (this.state === 'slide-in' || this.state === 'slide-out') return
    this[this.state === 'slid' ? 'hide' : 'show']()
  }

  OffCanvas.prototype.calcClone = function() {
    this.$calcClone = this.$element.clone()
      .html('')
      .addClass('offcanvas-clone').removeClass('in')
      .appendTo($('body'))
  }

  OffCanvas.prototype.recalc = function () {
    if (this.$calcClone.css('display') === 'none' || (this.state !== 'slid' && this.state !== 'slide-in')) return
    
    this.state = null
    this.placement = null
    var elements = this.getCanvasElements()
    
    this.$element.removeClass('in')
    
    elements.removeClass('canvas-slid')
    elements.add(this.$element).add('body').each(function() {
      $(this).attr('style', $(this).data('offcanvas-style')).removeData('offcanvas-style')
    })
  }
  
  OffCanvas.prototype.autohide = function (e) {
    if ($(e.target).closest(this.$element).length === 0) this.hide()
  }

  // OFFCANVAS PLUGIN DEFINITION
  // ==========================

  var old = $.fn.offcanvas

  $.fn.offcanvas = function (option) {
    return this.each(function () {
      var $this   = $(this)
      var data    = $this.data('bs.offcanvas')
      var options = $.extend({}, OffCanvas.DEFAULTS, $this.data(), typeof option === 'object' && option)

      if (!data) $this.data('bs.offcanvas', (data = new OffCanvas(this, options)))
      if (typeof option === 'string') data[option]()
    })
  }

  $.fn.offcanvas.Constructor = OffCanvas


  // OFFCANVAS NO CONFLICT
  // ====================

  $.fn.offcanvas.noConflict = function () {
    $.fn.offcanvas = old
    return this
  }


  // OFFCANVAS DATA-API
  // =================

  $(document).on('click.bs.offcanvas.data-api', '[data-toggle=offcanvas]', function (e) {
    var $this   = $(this), href
    var target  = $this.attr('data-target')
        || e.preventDefault()
        || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') //strip for ie7
    var $canvas = $(target)
    var data    = $canvas.data('bs.offcanvas')
    var option  = data ? 'toggle' : $this.data()

    e.stopPropagation()

    if (data) data.toggle()
      else $canvas.offcanvas(option)
  })

}(window.jQuery);

/* ============================================================
 * Bootstrap: rowlink.js v3.1.3
 * http://jasny.github.io/bootstrap/javascript/#rowlink
 * ============================================================
 * Copyright 2012-2014 Arnold Daniels
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============================================================ */

+function ($) { "use strict";

  var Rowlink = function (element, options) {
    this.$element = $(element)
    this.options = $.extend({}, Rowlink.DEFAULTS, options)
    
    this.$element.on('click.bs.rowlink', 'td:not(.rowlink-skip)', $.proxy(this.click, this))
  }

  Rowlink.DEFAULTS = {
    target: "a"
  }

  Rowlink.prototype.click = function(e) {
    var target = $(e.currentTarget).closest('tr').find(this.options.target)[0]
    if ($(e.target)[0] === target) return
    
    e.preventDefault();
    
    if (target.click) {
      target.click()
    } else if (document.createEvent) {
      var evt = document.createEvent("MouseEvents"); 
      evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null); 
      target.dispatchEvent(evt);
    }
  }

  
  // ROWLINK PLUGIN DEFINITION
  // ===========================

  var old = $.fn.rowlink

  $.fn.rowlink = function (options) {
    return this.each(function () {
      var $this = $(this)
      var data = $this.data('bs.rowlink')
      if (!data) $this.data('bs.rowlink', (data = new Rowlink(this, options)))
    })
  }

  $.fn.rowlink.Constructor = Rowlink


  // ROWLINK NO CONFLICT
  // ====================

  $.fn.rowlink.noConflict = function () {
    $.fn.rowlink = old
    return this
  }


  // ROWLINK DATA-API
  // ==================

  $(document).on('click.bs.rowlink.data-api', '[data-link="row"]', function (e) {
    if ($(e.target).closest('.rowlink-skip').length !== 0) return
    
    var $this = $(this)
    if ($this.data('bs.rowlink')) return
    $this.rowlink($this.data())
    $(e.target).trigger('click.bs.rowlink')
  })
  
}(window.jQuery);

/* ===========================================================
 * Bootstrap: inputmask.js v3.1.0
 * http://jasny.github.io/bootstrap/javascript/#inputmask
 * 
 * Based on Masked Input plugin by Josh Bush (digitalbush.com)
 * ===========================================================
 * Copyright 2012-2014 Arnold Daniels
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ========================================================== */

+function ($) { "use strict";

  var isIphone = (window.orientation !== undefined)
  var isAndroid = navigator.userAgent.toLowerCase().indexOf("android") > -1
  var isIE = window.navigator.appName == 'Microsoft Internet Explorer'

  // INPUTMASK PUBLIC CLASS DEFINITION
  // =================================

  var Inputmask = function (element, options) {
    if (isAndroid) return // No support because caret positioning doesn't work on Android
    
    this.$element = $(element)
    this.options = $.extend({}, Inputmask.DEFAULTS, options)
    this.mask = String(this.options.mask)
    
    this.init()
    this.listen()
        
    this.checkVal() //Perform initial check for existing values
  }

  Inputmask.DEFAULTS = {
    mask: "",
    placeholder: "_",
    definitions: {
      '9': "[0-9]",
      'a': "[A-Za-z]",
      'w': "[A-Za-z0-9]",
      '*': "."
    }
  }

  Inputmask.prototype.init = function() {
    var defs = this.options.definitions
    var len = this.mask.length

    this.tests = [] 
    this.partialPosition = this.mask.length
    this.firstNonMaskPos = null

    $.each(this.mask.split(""), $.proxy(function(i, c) {
      if (c == '?') {
        len--
        this.partialPosition = i
      } else if (defs[c]) {
        this.tests.push(new RegExp(defs[c]))
        if (this.firstNonMaskPos === null)
          this.firstNonMaskPos =  this.tests.length - 1
      } else {
        this.tests.push(null)
      }
    }, this))

    this.buffer = $.map(this.mask.split(""), $.proxy(function(c, i) {
      if (c != '?') return defs[c] ? this.options.placeholder : c
    }, this))

    this.focusText = this.$element.val()

    this.$element.data("rawMaskFn", $.proxy(function() {
      return $.map(this.buffer, function(c, i) {
        return this.tests[i] && c != this.options.placeholder ? c : null
      }).join('')
    }, this))
  }
    
  Inputmask.prototype.listen = function() {
    if (this.$element.attr("readonly")) return

    var pasteEventName = (isIE ? 'paste' : 'input') + ".mask"

    this.$element
      .on("unmask.bs.inputmask", $.proxy(this.unmask, this))

      .on("focus.bs.inputmask", $.proxy(this.focusEvent, this))
      .on("blur.bs.inputmask", $.proxy(this.blurEvent, this))

      .on("keydown.bs.inputmask", $.proxy(this.keydownEvent, this))
      .on("keypress.bs.inputmask", $.proxy(this.keypressEvent, this))

      .on(pasteEventName, $.proxy(this.pasteEvent, this))
  }

  //Helper Function for Caret positioning
  Inputmask.prototype.caret = function(begin, end) {
    if (this.$element.length === 0) return
    if (typeof begin == 'number') {
      end = (typeof end == 'number') ? end : begin
      return this.$element.each(function() {
        if (this.setSelectionRange) {
          this.setSelectionRange(begin, end)
        } else if (this.createTextRange) {
          var range = this.createTextRange()
          range.collapse(true)
          range.moveEnd('character', end)
          range.moveStart('character', begin)
          range.select()
        }
      })
    } else {
      if (this.$element[0].setSelectionRange) {
        begin = this.$element[0].selectionStart
        end = this.$element[0].selectionEnd
      } else if (document.selection && document.selection.createRange) {
        var range = document.selection.createRange()
        begin = 0 - range.duplicate().moveStart('character', -100000)
        end = begin + range.text.length
      }
      return {
        begin: begin, 
        end: end
      }
    }
  }
  
  Inputmask.prototype.seekNext = function(pos) {
    var len = this.mask.length
    while (++pos <= len && !this.tests[pos]);

    return pos
  }
  
  Inputmask.prototype.seekPrev = function(pos) {
    while (--pos >= 0 && !this.tests[pos]);

    return pos
  }

  Inputmask.prototype.shiftL = function(begin,end) {
    var len = this.mask.length

    if (begin < 0) return

    for (var i = begin, j = this.seekNext(end); i < len; i++) {
      if (this.tests[i]) {
        if (j < len && this.tests[i].test(this.buffer[j])) {
          this.buffer[i] = this.buffer[j]
          this.buffer[j] = this.options.placeholder
        } else
          break
        j = this.seekNext(j)
      }
    }
    this.writeBuffer()
    this.caret(Math.max(this.firstNonMaskPos, begin))
  }

  Inputmask.prototype.shiftR = function(pos) {
    var len = this.mask.length

    for (var i = pos, c = this.options.placeholder; i < len; i++) {
      if (this.tests[i]) {
        var j = this.seekNext(i)
        var t = this.buffer[i]
        this.buffer[i] = c
        if (j < len && this.tests[j].test(t))
          c = t
        else
          break
      }
    }
  },

  Inputmask.prototype.unmask = function() {
    this.$element
      .unbind(".mask")
      .removeData("inputmask")
  }

  Inputmask.prototype.focusEvent = function() {
    this.focusText = this.$element.val()
    var len = this.mask.length 
    var pos = this.checkVal()
    this.writeBuffer()

    var that = this
    var moveCaret = function() {
      if (pos == len)
        that.caret(0, pos)
      else
        that.caret(pos)
    }

    moveCaret()
    setTimeout(moveCaret, 50)
  }

  Inputmask.prototype.blurEvent = function() {
    this.checkVal()
    if (this.$element.val() !== this.focusText)
      this.$element.trigger('change')
  }

  Inputmask.prototype.keydownEvent = function(e) {
    var k = e.which

    //backspace, delete, and escape get special treatment
    if (k == 8 || k == 46 || (isIphone && k == 127)) {
      var pos = this.caret(),
      begin = pos.begin,
      end = pos.end

      if (end - begin === 0) {
        begin = k != 46 ? this.seekPrev(begin) : (end = this.seekNext(begin - 1))
        end = k == 46 ? this.seekNext(end) : end
      }
      this.clearBuffer(begin, end)
      this.shiftL(begin, end - 1)

      return false
    } else if (k == 27) {//escape
      this.$element.val(this.focusText)
      this.caret(0, this.checkVal())
      return false
    }
  }

  Inputmask.prototype.keypressEvent = function(e) {
    var len = this.mask.length

    var k = e.which,
    pos = this.caret()

    if (e.ctrlKey || e.altKey || e.metaKey || k < 32)  {//Ignore
      return true
    } else if (k) {
      if (pos.end - pos.begin !== 0) {
        this.clearBuffer(pos.begin, pos.end)
        this.shiftL(pos.begin, pos.end - 1)
      }

      var p = this.seekNext(pos.begin - 1)
      if (p < len) {
        var c = String.fromCharCode(k)
        if (this.tests[p].test(c)) {
          this.shiftR(p)
          this.buffer[p] = c
          this.writeBuffer()
          var next = this.seekNext(p)
          this.caret(next)
        }
      }
      return false
    }
  }

  Inputmask.prototype.pasteEvent = function() {
    var that = this

    setTimeout(function() {
      that.caret(that.checkVal(true))
    }, 0)
  }

  Inputmask.prototype.clearBuffer = function(start, end) {
    var len = this.mask.length

    for (var i = start; i < end && i < len; i++) {
      if (this.tests[i])
        this.buffer[i] = this.options.placeholder
    }
  }

  Inputmask.prototype.writeBuffer = function() {
    return this.$element.val(this.buffer.join('')).val()
  }

  Inputmask.prototype.checkVal = function(allow) {
    var len = this.mask.length
    //try to place characters where they belong
    var test = this.$element.val()
    var lastMatch = -1

    for (var i = 0, pos = 0; i < len; i++) {
      if (this.tests[i]) {
        this.buffer[i] = this.options.placeholder
        while (pos++ < test.length) {
          var c = test.charAt(pos - 1)
          if (this.tests[i].test(c)) {
            this.buffer[i] = c
            lastMatch = i
            break
          }
        }
        if (pos > test.length)
          break
      } else if (this.buffer[i] == test.charAt(pos) && i != this.partialPosition) {
        pos++
        lastMatch = i
      }
    }
    if (!allow && lastMatch + 1 < this.partialPosition) {
      this.$element.val("")
      this.clearBuffer(0, len)
    } else if (allow || lastMatch + 1 >= this.partialPosition) {
      this.writeBuffer()
      if (!allow) this.$element.val(this.$element.val().substring(0, lastMatch + 1))
    }
    return (this.partialPosition ? i : this.firstNonMaskPos)
  }

  
  // INPUTMASK PLUGIN DEFINITION
  // ===========================

  var old = $.fn.inputmask
  
  $.fn.inputmask = function (options) {
    return this.each(function () {
      var $this = $(this)
      var data = $this.data('bs.inputmask')
      
      if (!data) $this.data('bs.inputmask', (data = new Inputmask(this, options)))
    })
  }

  $.fn.inputmask.Constructor = Inputmask


  // INPUTMASK NO CONFLICT
  // ====================

  $.fn.inputmask.noConflict = function () {
    $.fn.inputmask = old
    return this
  }


  // INPUTMASK DATA-API
  // ==================

  $(document).on('focus.bs.inputmask.data-api', '[data-mask]', function (e) {
    var $this = $(this)
    if ($this.data('bs.inputmask')) return
    $this.inputmask($this.data())
  })

}(window.jQuery);

/* ===========================================================
 * Bootstrap: fileinput.js v3.1.3
 * http://jasny.github.com/bootstrap/javascript/#fileinput
 * ===========================================================
 * Copyright 2012-2014 Arnold Daniels
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ========================================================== */

+function ($) { "use strict";

  var isIE = window.navigator.appName == 'Microsoft Internet Explorer'

  // FILEUPLOAD PUBLIC CLASS DEFINITION
  // =================================

  var Fileinput = function (element, options) {
    this.$element = $(element)
    
    this.$input = this.$element.find(':file')
    if (this.$input.length === 0) return

    this.name = this.$input.attr('name') || options.name

    this.$hidden = this.$element.find('input[type=hidden][name="' + this.name + '"]')
    if (this.$hidden.length === 0) {
      this.$hidden = $('<input type="hidden">').insertBefore(this.$input)
    }

    this.$preview = this.$element.find('.fileinput-preview')
    var height = this.$preview.css('height')
    if (this.$preview.css('display') !== 'inline' && height !== '0px' && height !== 'none') {
      this.$preview.css('line-height', height)
    }
        
    this.original = {
      exists: this.$element.hasClass('fileinput-exists'),
      preview: this.$preview.html(),
      hiddenVal: this.$hidden.val()
    }
    
    this.listen()
  }
  
  Fileinput.prototype.listen = function() {
    this.$input.on('change.bs.fileinput', $.proxy(this.change, this))
    $(this.$input[0].form).on('reset.bs.fileinput', $.proxy(this.reset, this))
    
    this.$element.find('[data-trigger="fileinput"]').on('click.bs.fileinput', $.proxy(this.trigger, this))
    this.$element.find('[data-dismiss="fileinput"]').on('click.bs.fileinput', $.proxy(this.clear, this))
  },

  Fileinput.prototype.change = function(e) {
    var files = e.target.files === undefined ? (e.target && e.target.value ? [{ name: e.target.value.replace(/^.+\\/, '')}] : []) : e.target.files
    
    e.stopPropagation()

    if (files.length === 0) {
      this.clear()
      return
    }

    this.$hidden.val('')
    this.$hidden.attr('name', '')
    this.$input.attr('name', this.name)

    var file = files[0]

    if (this.$preview.length > 0 && (typeof file.type !== "undefined" ? file.type.match(/^image\/(gif|png|jpeg)$/) : file.name.match(/\.(gif|png|jpe?g)$/i)) && typeof FileReader !== "undefined") {
      var reader = new FileReader()
      var preview = this.$preview
      var element = this.$element

      reader.onload = function(re) {
        var $img = $('<img>')
        $img[0].src = re.target.result
        files[0].result = re.target.result
        
        element.find('.fileinput-filename').text(file.name)
        
        // if parent has max-height, using `(max-)height: 100%` on child doesn't take padding and border into account
        if (preview.css('max-height') != 'none') $img.css('max-height', parseInt(preview.css('max-height'), 10) - parseInt(preview.css('padding-top'), 10) - parseInt(preview.css('padding-bottom'), 10)  - parseInt(preview.css('border-top'), 10) - parseInt(preview.css('border-bottom'), 10))
        
        preview.html($img)
        element.addClass('fileinput-exists').removeClass('fileinput-new')

        element.trigger('change.bs.fileinput', files)
      }

      reader.readAsDataURL(file)
    } else {
      this.$element.find('.fileinput-filename').text(file.name)
      this.$preview.text(file.name)
      
      this.$element.addClass('fileinput-exists').removeClass('fileinput-new')
      
      this.$element.trigger('change.bs.fileinput')
    }
  },

  Fileinput.prototype.clear = function(e) {
    if (e) e.preventDefault()
    
    this.$hidden.val('')
    this.$hidden.attr('name', this.name)
    this.$input.attr('name', '')

    //ie8+ doesn't support changing the value of input with type=file so clone instead
    if (isIE) { 
      var inputClone = this.$input.clone(true);
      this.$input.after(inputClone);
      this.$input.remove();
      this.$input = inputClone;
    } else {
      this.$input.val('')
    }

    this.$preview.html('')
    this.$element.find('.fileinput-filename').text('')
    this.$element.addClass('fileinput-new').removeClass('fileinput-exists')
    
    if (e !== undefined) {
      this.$input.trigger('change')
      this.$element.trigger('clear.bs.fileinput')
    }
  },

  Fileinput.prototype.reset = function() {
    this.clear()

    this.$hidden.val(this.original.hiddenVal)
    this.$preview.html(this.original.preview)
    this.$element.find('.fileinput-filename').text('')

    if (this.original.exists) this.$element.addClass('fileinput-exists').removeClass('fileinput-new')
     else this.$element.addClass('fileinput-new').removeClass('fileinput-exists')
    
    this.$element.trigger('reset.bs.fileinput')
  },

  Fileinput.prototype.trigger = function(e) {
    this.$input.trigger('click')
    e.preventDefault()
  }

  
  // FILEUPLOAD PLUGIN DEFINITION
  // ===========================

  var old = $.fn.fileinput
  
  $.fn.fileinput = function (options) {
    return this.each(function () {
      var $this = $(this),
          data = $this.data('bs.fileinput')
      if (!data) $this.data('bs.fileinput', (data = new Fileinput(this, options)))
      if (typeof options == 'string') data[options]()
    })
  }

  $.fn.fileinput.Constructor = Fileinput


  // FILEINPUT NO CONFLICT
  // ====================

  $.fn.fileinput.noConflict = function () {
    $.fn.fileinput = old
    return this
  }


  // FILEUPLOAD DATA-API
  // ==================

  $(document).on('click.fileinput.data-api', '[data-provides="fileinput"]', function (e) {
    var $this = $(this)
    if ($this.data('bs.fileinput')) return
    $this.fileinput($this.data())
      
    var $target = $(e.target).closest('[data-dismiss="fileinput"],[data-trigger="fileinput"]');
    if ($target.length > 0) {
      e.preventDefault()
      $target.trigger('click.bs.fileinput')
    }
  })

}(window.jQuery);