407 lines
15 KiB
JavaScript
407 lines
15 KiB
JavaScript
/* ========================================================================
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* Extends Bootstrap v3.1.1
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* Copyright (c) <2014> eBay Software Foundation
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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* Neither the name of eBay or any of its subsidiaries or affiliates nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ======================================================================== */
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(function($) {
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"use strict";
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var uniqueId = function(prefix) {
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return (prefix || 'ui-id') + '-' + Math.floor((Math.random()*1000)+1)
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}
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// Alert Extension
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// ===============================
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$('.alert').attr('role', 'alert')
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$('.close').removeAttr('aria-hidden').wrapInner('<span aria-hidden="true"></span>').append('<span class="sr-only">Close</span>')
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// TOOLTIP Extension
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// ===============================
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var showTooltip = $.fn.tooltip.Constructor.prototype.show
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, hideTooltip = $.fn.tooltip.Constructor.prototype.hide
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$.fn.tooltip.Constructor.prototype.show = function () {
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showTooltip.apply(this, arguments)
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var $tip = this.tip()
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, tooltipID = $tip.attr('id') || uniqueId('ui-tooltip')
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$tip.attr({'role':'tooltip','id' : tooltipID})
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this.$element.attr('aria-describedby', tooltipID)
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}
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$.fn.tooltip.Constructor.prototype.hide = function () {
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hideTooltip.apply(this, arguments)
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removeMultiValAttributes(this.$element, 'aria-describedby', this.tip().attr('id'))
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return this
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}
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// Popover Extension
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// ===============================
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var showPopover = $.fn.popover.Constructor.prototype.setContent
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, hideTPopover = $.fn.popover.Constructor.prototype.hide
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$.fn.popover.Constructor.prototype.setContent = function(){
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showPopover.apply(this, arguments)
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var $tip = this.tip()
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, tooltipID = $tip.attr('id') || uniqueId('ui-tooltip')
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$tip.attr({'role':'alert','id' : tooltipID})
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this.$element.attr('aria-describedby', tooltipID)
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this.$element.focus()
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}
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$.fn.popover.Constructor.prototype.hide = function(){
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hideTooltip.apply(this, arguments)
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removeMultiValAttributes(this.$element, 'aria-describedby', this.tip().attr('id'))
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}
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//Modal Extension
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$('.modal-dialog').attr( {'role' : 'document'})
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var modalhide = $.fn.modal.Constructor.prototype.hide
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$.fn.modal.Constructor.prototype.hide = function(){
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var modalOpener = this.$element.parent().find('[data-target="#' + this.$element.attr('id') + '"]')
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modalhide.apply(this, arguments)
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modalOpener.focus()
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}
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// DROPDOWN Extension
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// ===============================
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var toggle = '[data-toggle=dropdown]'
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, $par
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, firstItem
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, focusDelay = 200
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, menus = $(toggle).parent().find('ul').attr('role','menu')
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, lis = menus.find('li').attr('role','presentation')
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lis.find('a').attr({'role':'menuitem', 'tabIndex':'-1'})
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$(toggle).attr({ 'aria-haspopup':'true', 'aria-expanded': 'false'})
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$(toggle).parent().on('shown.bs.dropdown',function(e){
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$par = $(this)
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var $toggle = $par.find(toggle)
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$toggle.attr('aria-expanded','true')
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setTimeout(function(){
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firstItem = $('.dropdown-menu [role=menuitem]:visible', $par)[0]
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try{ firstItem.focus()} catch(ex) {}
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}, focusDelay)
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})
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$(toggle).parent().on('hidden.bs.dropdown',function(e){
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$par = $(this)
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var $toggle = $par.find(toggle)
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$toggle.attr('aria-expanded','false')
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})
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//Adding Space Key Behaviour, opens on spacebar
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$.fn.dropdown.Constructor.prototype.keydown = function (e) {
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var $par
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, firstItem
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if (!/(32)/.test(e.keyCode)) return
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$par = $(this).parent()
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$(this).trigger ("click")
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e.preventDefault() && e.stopPropagation()
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}
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$(document)
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.on('focusout.dropdown.data-api', '.dropdown-menu', function(e){
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var $this = $(this)
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, that = this
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setTimeout(function() {
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if(!$.contains(that, document.activeElement)){
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$this.parent().removeClass('open')
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$this.parent().find('[data-toggle=dropdown]').attr('aria-expanded','false')
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}
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}, 150)
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})
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.on('keydown.bs.dropdown.data-api', toggle + ', [role=menu]' , $.fn.dropdown.Constructor.prototype.keydown)
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// Tab Extension
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// ===============================
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var $tablist = $('.nav-tabs')
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, $lis = $tablist.children('li')
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, $tabs = $tablist.find('[data-toggle="tab"], [data-toggle="pill"]')
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$tablist.attr('role', 'tablist')
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$lis.attr('role', 'presentation')
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$tabs.attr('role', 'tab')
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$tabs.each(function( index ) {
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var tabpanel = $($(this).attr('href'))
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, tab = $(this)
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, tabid = tab.attr('id') || uniqueId('ui-tab')
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tab.attr('id', tabid)
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if(tab.parent().hasClass('active')){
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tab.attr( { 'tabIndex' : '0', 'aria-selected' : 'true', 'aria-controls': tab.attr('href').substr(1) } )
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tabpanel.attr({ 'role' : 'tabpanel', 'tabIndex' : '0', 'aria-hidden' : 'false', 'aria-labelledby':tabid })
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}else{
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tab.attr( { 'tabIndex' : '-1', 'aria-selected' : 'false', 'aria-controls': tab.attr('href').substr(1) } )
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tabpanel.attr( { 'role' : 'tabpanel', 'tabIndex' : '-1', 'aria-hidden' : 'true', 'aria-labelledby':tabid } )
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}
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})
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$.fn.tab.Constructor.prototype.keydown = function (e) {
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var $this = $(this)
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, $items
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, $ul = $this.closest('ul[role=tablist] ')
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, index
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, k = e.which || e.keyCode
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$this = $(this)
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if (!/(37|38|39|40)/.test(k)) return
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$items = $ul.find('[role=tab]:visible')
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index = $items.index($items.filter(':focus'))
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if (k == 38 || k == 37) index-- // up & left
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if (k == 39 || k == 40) index++ // down & right
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if(index < 0) index = $items.length -1
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if(index == $items.length) index = 0
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var nextTab = $items.eq(index)
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if(nextTab.attr('role') ==='tab'){
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nextTab.tab('show') //Comment this line for dynamically loaded tabPabels, to save Ajax requests on arrow key navigation
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.focus()
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}
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// nextTab.focus()
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e.preventDefault()
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e.stopPropagation()
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}
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$(document).on('keydown.tab.data-api','[data-toggle="tab"], [data-toggle="pill"]' , $.fn.tab.Constructor.prototype.keydown)
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var tabactivate = $.fn.tab.Constructor.prototype.activate;
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$.fn.tab.Constructor.prototype.activate = function (element, container, callback) {
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var $active = container.find('> .active')
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$active.find('[data-toggle=tab]').attr({ 'tabIndex' : '-1','aria-selected' : false })
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$active.filter('.tab-pane').attr({ 'aria-hidden' : true,'tabIndex' : '-1' })
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tabactivate.apply(this, arguments)
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element.addClass('active')
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element.find('[data-toggle=tab]').attr({ 'tabIndex' : '0','aria-selected' : true })
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element.filter('.tab-pane').attr({ 'aria-hidden' : false,'tabIndex' : '0' })
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}
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// Collapse Extension
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// ===============================
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var $colltabs = $('[data-toggle="collapse"]')
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$colltabs.attr({ 'role':'tab', 'aria-selected':'false', 'aria-expanded':'false' })
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$colltabs.each(function( index ) {
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var colltab = $(this)
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, collpanel = (colltab.attr('data-target')) ? $(colltab.attr('data-target')) : $(colltab.attr('href'))
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, parent = colltab.attr('data-parent')
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, collparent = parent && $(parent)
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, collid = colltab.attr('id') || uniqueId('ui-collapse')
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$(collparent).find('div:not(.collapse,.panel-body), h4').attr('role','presentation')
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colltab.attr('id', collid)
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if(collparent){
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collparent.attr({ 'role' : 'tablist', 'aria-multiselectable' : 'true' })
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if(collpanel.hasClass('in')){
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colltab.attr({ 'aria-controls': colltab.attr('href').substr(1), 'aria-selected':'true', 'aria-expanded':'true', 'tabindex':'0' })
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collpanel.attr({ 'role':'tabpanel', 'tabindex':'0', 'aria-labelledby':collid, 'aria-hidden':'false' })
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}else{
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colltab.attr({'aria-controls' : colltab.attr('href').substr(1), 'tabindex':'-1' })
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collpanel.attr({ 'role':'tabpanel', 'tabindex':'-1', 'aria-labelledby':collid, 'aria-hidden':'true' })
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}
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}
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})
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var collToggle = $.fn.collapse.Constructor.prototype.toggle
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$.fn.collapse.Constructor.prototype.toggle = function(){
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var prevTab = this.$parent && this.$parent.find('[aria-expanded="true"]') , href
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if(prevTab){
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var prevPanel = prevTab.attr('data-target') || (href = prevTab.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')
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, $prevPanel = $(prevPanel)
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, $curPanel = this.$element
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, par = this.$parent
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, curTab
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if (this.$parent) curTab = this.$parent.find('[data-toggle=collapse][href="#' + this.$element.attr('id') + '"]')
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collToggle.apply(this, arguments)
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if ($.support.transition) {
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this.$element.one($.support.transition.end, function(){
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prevTab.attr({ 'aria-selected':'false','aria-expanded':'false', 'tabIndex':'-1' })
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$prevPanel.attr({ 'aria-hidden' : 'true','tabIndex' : '-1'})
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curTab.attr({ 'aria-selected':'true','aria-expanded':'true', 'tabIndex':'0' })
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if($curPanel.hasClass('in')){
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$curPanel.attr({ 'aria-hidden' : 'false','tabIndex' : '0' })
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}else{
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curTab.attr({ 'aria-selected':'false','aria-expanded':'false'})
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$curPanel.attr({ 'aria-hidden' : 'true','tabIndex' : '-1' })
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}
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})
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}
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}else{
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collToggle.apply(this, arguments)
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}
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}
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$.fn.collapse.Constructor.prototype.keydown = function (e) {
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var $this = $(this)
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, $items
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, $tablist = $this.closest('div[role=tablist] ')
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, index
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, k = e.which || e.keyCode
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$this = $(this)
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if (!/(32|37|38|39|40)/.test(k)) return
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if(k==32) $this.click()
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$items = $tablist.find('[role=tab]')
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index = $items.index($items.filter(':focus'))
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if (k == 38 || k == 37) index-- // up & left
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if (k == 39 || k == 40) index++ // down & right
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if(index < 0) index = $items.length -1
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if(index == $items.length) index = 0
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$items.eq(index).focus()
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e.preventDefault()
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e.stopPropagation()
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}
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$(document).on('keydown.collapse.data-api','[data-toggle="collapse"]' , $.fn.collapse.Constructor.prototype.keydown)
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// Carousel Extension
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// ===============================
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$('.carousel').each(function (index) {
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var $this = $(this)
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, prev = $this.find('[data-slide="prev"]')
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, next = $this.find('[data-slide="next"]')
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, $options = $this.find('.item')
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, $listbox = $options.parent()
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$this.attr( { 'data-interval' : 'false', 'data-wrap' : 'false' } )
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$listbox.attr('role', 'listbox')
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$options.attr('role', 'option')
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var spanPrev = document.createElement('span')
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spanPrev.setAttribute('class', 'sr-only')
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spanPrev.innerHTML='Previous'
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var spanNext = document.createElement('span')
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spanNext.setAttribute('class', 'sr-only')
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spanNext.innerHTML='Next'
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prev.attr('role', 'button')
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next.attr('role', 'button')
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prev.append(spanPrev)
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next.append(spanNext)
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$options.each(function () {
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var item = $(this)
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if(item.hasClass('active')){
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item.attr({ 'aria-selected': 'true', 'tabindex' : '0' })
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}else{
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item.attr({ 'aria-selected': 'false', 'tabindex' : '-1' })
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}
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})
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})
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var slideCarousel = $.fn.carousel.Constructor.prototype.slide
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$.fn.carousel.Constructor.prototype.slide = function (type, next) {
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var $active = this.$element.find('.item.active')
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, $next = next || $active[type]()
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slideCarousel.apply(this, arguments)
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$active
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.one($.support.transition.end, function () {
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$active.attr({'aria-selected':false, 'tabIndex': '-1'})
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$next.attr({'aria-selected':true, 'tabIndex': '0'})
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//.focus()
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})
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}
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$.fn.carousel.Constructor.prototype.keydown = function (e) {
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var $this = $(this)
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, $ul = $this.closest('div[role=listbox]')
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, $items = $ul.find('[role=option]')
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, $parent = $ul.parent()
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, k = e.which || e.keyCode
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, index
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, i
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if (!/(37|38|39|40)/.test(k)) return
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index = $items.index($items.filter('.active'))
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if (k == 37 || k == 38) { // Up
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$parent.carousel('prev')
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index--
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if(index < 0) index = $items.length -1
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else $this.prev().focus()
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}
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if (k == 39 || k == 40) { // Down
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$parent.carousel('next')
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index++
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if(index == $items.length) index = 0
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else {
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$this.one($.support.transition.end, function () {
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$this.next().focus()
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})
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}
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}
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e.preventDefault()
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e.stopPropagation()
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}
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$(document).on('keydown.carousel.data-api', 'div[role=option]', $.fn.carousel.Constructor.prototype.keydown)
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// GENERAL UTILITY FUNCTIONS
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// ===============================
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var removeMultiValAttributes = function (el, attr, val) {
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var describedby = (el.attr( attr ) || "").split( /\s+/ )
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, index = $.inArray(val, describedby)
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if ( index !== -1 ) {
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describedby.splice( index, 1 )
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}
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describedby = $.trim( describedby.join( " " ) )
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if (describedby ) {
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el.attr( attr, describedby )
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} else {
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el.removeAttr( attr )
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}
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}
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})(jQuery);
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