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165 lines
4.5 KiB
165 lines
4.5 KiB
/* ======================================================================== |
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* Bootstrap: dropdown.js v3.3.7 (adapted to WF prefix) |
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* http://getbootstrap.com/javascript/#dropdowns |
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* ======================================================================== |
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* Copyright 2011-2016 Twitter, Inc. |
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) |
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* ======================================================================== */ |
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+function ($) { |
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'use strict'; |
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// DROPDOWN CLASS DEFINITION |
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// ========================= |
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var backdrop = '.wf-dropdown-backdrop' |
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var toggle = '[data-toggle="wf-dropdown"]' |
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var WFDropdown = function (element) { |
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$(element).on('click.bs.wf-dropdown', this.toggle) |
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} |
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WFDropdown.VERSION = '3.3.7' |
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function getParent($this) { |
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var selector = $this.attr('data-target') |
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if (!selector) { |
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selector = $this.attr('href') |
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selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7 |
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} |
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var $parent = selector && $(selector) |
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return $parent && $parent.length ? $parent : $this.parent() |
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} |
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function clearMenus(e) { |
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if (e && e.which === 3) return |
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$(backdrop).remove() |
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$(toggle).each(function () { |
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var $this = $(this) |
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var $parent = getParent($this) |
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var relatedTarget = { relatedTarget: this } |
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if (!$parent.hasClass('wf-open')) return |
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if (e && e.type == 'click' && /input|textarea/i.test(e.target.tagName) && $.contains($parent[0], e.target)) return |
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$parent.trigger(e = $.Event('hide.bs.wf-dropdown', relatedTarget)) |
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if (e.isDefaultPrevented()) return |
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$this.attr('aria-expanded', 'false') |
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$parent.removeClass('wf-open').trigger($.Event('hidden.bs.wf-dropdown', relatedTarget)) |
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}) |
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} |
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WFDropdown.prototype.toggle = function (e) { |
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var $this = $(this) |
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if ($this.is('.wf-disabled, :disabled')) return |
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var $parent = getParent($this) |
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var isActive = $parent.hasClass('wf-open') |
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clearMenus() |
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if (!isActive) { |
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if ('ontouchstart' in document.documentElement && !$parent.closest('.wf-navbar-nav').length) { |
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// if mobile we use a backdrop because click events don't delegate |
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$(document.createElement('div')) |
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.addClass('wf-dropdown-backdrop') |
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.insertAfter($(this)) |
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.on('click', clearMenus) |
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} |
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var relatedTarget = { relatedTarget: this } |
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$parent.trigger(e = $.Event('show.bs.wf-dropdown', relatedTarget)) |
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if (e.isDefaultPrevented()) return |
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$this |
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.trigger('focus') |
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.attr('aria-expanded', 'true') |
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$parent |
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.toggleClass('wf-open') |
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.trigger($.Event('shown.bs.wf-dropdown', relatedTarget)) |
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} |
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return false |
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} |
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WFDropdown.prototype.keydown = function (e) { |
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if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagName)) return |
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var $this = $(this) |
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e.preventDefault() |
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e.stopPropagation() |
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if ($this.is('.wf-disabled, :disabled')) return |
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var $parent = getParent($this) |
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var isActive = $parent.hasClass('wf-open') |
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if (!isActive && e.which != 27 || isActive && e.which == 27) { |
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if (e.which == 27) $parent.find(toggle).trigger('focus') |
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return $this.trigger('click') |
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} |
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var desc = ' li:not(.wf-disabled):visible a' |
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var $items = $parent.find('.wf-dropdown-menu' + desc) |
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if (!$items.length) return |
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var index = $items.index(e.target) |
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if (e.which == 38 && index > 0) index-- // up |
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if (e.which == 40 && index < $items.length - 1) index++ // down |
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if (!~index) index = 0 |
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$items.eq(index).trigger('focus') |
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} |
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// DROPDOWN PLUGIN DEFINITION |
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// ========================== |
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function Plugin(option) { |
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return this.each(function () { |
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var $this = $(this) |
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var data = $this.data('bs.wf-dropdown') |
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if (!data) $this.data('bs.wf-dropdown', (data = new WFDropdown(this))) |
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if (typeof option == 'string') data[option].call($this) |
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}) |
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} |
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var old = $.fn.wfdropdown |
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$.fn.wfdropdown = Plugin |
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$.fn.wfdropdown.Constructor = WFDropdown |
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// DROPDOWN NO CONFLICT |
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// ==================== |
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$.fn.wfdropdown.noConflict = function () { |
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$.fn.wfdropdown = old |
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return this |
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} |
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// APPLY TO STANDARD DROPDOWN ELEMENTS |
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// =================================== |
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$(document) |
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.on('click.bs.wf-dropdown.data-api', clearMenus) |
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.on('click.bs.wf-dropdown.data-api', '.wf-dropdown form', function (e) { e.stopPropagation() }) |
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.on('click.bs.wf-dropdown.data-api', toggle, WFDropdown.prototype.toggle) |
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.on('keydown.bs.wf-dropdown.data-api', toggle, WFDropdown.prototype.keydown) |
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.on('keydown.bs.wf-dropdown.data-api', '.wf-dropdown-menu', WFDropdown.prototype.keydown) |
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}(jQuery);
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