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421 lines
11 KiB
421 lines
11 KiB
/* ===========================================================
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* bootstrap-modalmanager.js v2.2.0
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* ===========================================================
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* Copyright 2012 Jordan Schroter.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ========================================================== */
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!function ($) {
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"use strict"; // jshint ;_;
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/* MODAL MANAGER CLASS DEFINITION
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* ====================== */
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var ModalManager = function (element, options) {
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this.init(element, options);
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};
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ModalManager.prototype = {
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constructor: ModalManager,
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init: function (element, options) {
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this.$element = $(element);
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this.options = $.extend({}, $.fn.modalmanager.defaults, this.$element.data(), typeof options == 'object' && options);
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this.stack = [];
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this.backdropCount = 0;
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if (this.options.resize) {
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var resizeTimeout,
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that = this;
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$(window).on('resize.modal', function(){
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resizeTimeout && clearTimeout(resizeTimeout);
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resizeTimeout = setTimeout(function(){
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for (var i = 0; i < that.stack.length; i++){
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that.stack[i].isShown && that.stack[i].layout();
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}
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}, 10);
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});
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}
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},
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createModal: function (element, options) {
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$(element).modal($.extend({ manager: this }, options));
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},
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appendModal: function (modal) {
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this.stack.push(modal);
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var that = this;
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modal.$element.on('show.modalmanager', targetIsSelf(function (e) {
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var showModal = function(){
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modal.isShown = true;
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var transition = $.support.transition && modal.$element.hasClass('fade');
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that.$element
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.toggleClass('modal-open', that.hasOpenModal())
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.toggleClass('page-overflow', $(window).height() < that.$element.height());
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modal.$parent = modal.$element.parent();
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modal.$container = that.createContainer(modal);
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modal.$element.appendTo(modal.$container);
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that.backdrop(modal, function () {
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modal.$element.show();
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if (transition) {
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//modal.$element[0].style.display = 'run-in';
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modal.$element[0].offsetWidth;
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//modal.$element.one($.support.transition.end, function () { modal.$element[0].style.display = 'block' });
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}
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modal.layout();
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modal.$element
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.addClass('in')
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.attr('aria-hidden', false);
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var complete = function () {
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that.setFocus();
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modal.$element.trigger('shown');
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};
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transition ?
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modal.$element.one($.support.transition.end, complete) :
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complete();
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});
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};
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modal.options.replace ?
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that.replace(showModal) :
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showModal();
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}));
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modal.$element.on('hidden.modalmanager', targetIsSelf(function (e) {
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that.backdrop(modal);
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if (modal.$backdrop){
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$.support.transition && modal.$element.hasClass('fade') ?
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modal.$backdrop.one($.support.transition.end, function () { that.destroyModal(modal) }) :
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that.destroyModal(modal);
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} else {
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that.destroyModal(modal);
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}
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}));
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modal.$element.on('destroy.modalmanager', targetIsSelf(function (e) {
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that.removeModal(modal);
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}));
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},
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destroyModal: function (modal) {
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modal.destroy();
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var hasOpenModal = this.hasOpenModal();
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this.$element.toggleClass('modal-open', hasOpenModal);
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if (!hasOpenModal){
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this.$element.removeClass('page-overflow');
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}
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this.removeContainer(modal);
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this.setFocus();
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},
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getOpenModals: function () {
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var openModals = [];
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for (var i = 0; i < this.stack.length; i++){
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if (this.stack[i].isShown) openModals.push(this.stack[i]);
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}
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return openModals;
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},
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hasOpenModal: function () {
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return this.getOpenModals().length > 0;
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},
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setFocus: function () {
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var topModal;
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for (var i = 0; i < this.stack.length; i++){
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if (this.stack[i].isShown) topModal = this.stack[i];
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}
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if (!topModal) return;
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topModal.focus();
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},
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removeModal: function (modal) {
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modal.$element.off('.modalmanager');
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if (modal.$backdrop) this.removeBackdrop(modal);
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this.stack.splice(this.getIndexOfModal(modal), 1);
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},
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getModalAt: function (index) {
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return this.stack[index];
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},
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getIndexOfModal: function (modal) {
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for (var i = 0; i < this.stack.length; i++){
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if (modal === this.stack[i]) return i;
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}
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},
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replace: function (callback) {
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var topModal;
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for (var i = 0; i < this.stack.length; i++){
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if (this.stack[i].isShown) topModal = this.stack[i];
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}
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if (topModal) {
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this.$backdropHandle = topModal.$backdrop;
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topModal.$backdrop = null;
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callback && topModal.$element.one('hidden',
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targetIsSelf( $.proxy(callback, this) ));
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topModal.hide();
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} else if (callback) {
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callback();
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}
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},
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removeBackdrop: function (modal) {
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modal.$backdrop.remove();
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modal.$backdrop = null;
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},
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createBackdrop: function (animate, tmpl) {
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var $backdrop;
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if (!this.$backdropHandle) {
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$backdrop = $(tmpl)
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.addClass(animate)
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.appendTo(this.$element);
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} else {
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$backdrop = this.$backdropHandle;
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$backdrop.off('.modalmanager');
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this.$backdropHandle = null;
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this.isLoading && this.removeSpinner();
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}
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return $backdrop;
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},
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removeContainer: function (modal) {
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modal.$container.remove();
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modal.$container = null;
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},
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createContainer: function (modal) {
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var $container;
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$container = $('<div class="modal-scrollable">')
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.css('z-index', getzIndex('modal', this.getOpenModals().length))
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.appendTo(this.$element);
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if (modal && modal.options.backdrop != 'static') {
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$container.on('click.modal', targetIsSelf(function (e) {
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modal.hide();
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}));
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} else if (modal) {
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$container.on('click.modal', targetIsSelf(function (e) {
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modal.attention();
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}));
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}
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return $container;
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},
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backdrop: function (modal, callback) {
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var animate = modal.$element.hasClass('fade') ? 'fade' : '',
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showBackdrop = modal.options.backdrop &&
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this.backdropCount < this.options.backdropLimit;
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if (modal.isShown && showBackdrop) {
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var doAnimate = $.support.transition && animate && !this.$backdropHandle;
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modal.$backdrop = this.createBackdrop(animate, modal.options.backdropTemplate);
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modal.$backdrop.css('z-index', getzIndex( 'backdrop', this.getOpenModals().length ));
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if (doAnimate) modal.$backdrop[0].offsetWidth; // force reflow
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modal.$backdrop.addClass('in');
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this.backdropCount += 1;
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doAnimate ?
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modal.$backdrop.one($.support.transition.end, callback) :
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callback();
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} else if (!modal.isShown && modal.$backdrop) {
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modal.$backdrop.removeClass('in');
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this.backdropCount -= 1;
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var that = this;
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$.support.transition && modal.$element.hasClass('fade')?
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modal.$backdrop.one($.support.transition.end, function () { that.removeBackdrop(modal) }) :
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that.removeBackdrop(modal);
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} else if (callback) {
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callback();
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}
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},
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removeSpinner: function(){
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this.$spinner && this.$spinner.remove();
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this.$spinner = null;
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this.isLoading = false;
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},
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removeLoading: function () {
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this.$backdropHandle && this.$backdropHandle.remove();
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this.$backdropHandle = null;
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this.removeSpinner();
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},
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loading: function (callback) {
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callback = callback || function () { };
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this.$element
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.toggleClass('modal-open', !this.isLoading || this.hasOpenModal())
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.toggleClass('page-overflow', $(window).height() < this.$element.height());
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if (!this.isLoading) {
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this.$backdropHandle = this.createBackdrop('fade', this.options.backdropTemplate);
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this.$backdropHandle[0].offsetWidth; // force reflow
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var openModals = this.getOpenModals();
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this.$backdropHandle
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.css('z-index', getzIndex('backdrop', openModals.length + 1))
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.addClass('in');
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var $spinner = $(this.options.spinner)
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.css('z-index', getzIndex('modal', openModals.length + 1))
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.appendTo(this.$element)
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.addClass('in');
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this.$spinner = $(this.createContainer())
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.append($spinner)
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.on('click.modalmanager', $.proxy(this.loading, this));
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this.isLoading = true;
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$.support.transition ?
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this.$backdropHandle.one($.support.transition.end, callback) :
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callback();
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} else if (this.isLoading && this.$backdropHandle) {
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this.$backdropHandle.removeClass('in');
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var that = this;
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$.support.transition ?
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this.$backdropHandle.one($.support.transition.end, function () { that.removeLoading() }) :
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that.removeLoading();
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} else if (callback) {
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callback(this.isLoading);
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}
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}
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};
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/* PRIVATE METHODS
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* ======================= */
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// computes and caches the zindexes
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var getzIndex = (function () {
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var zIndexFactor,
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baseIndex = {};
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return function (type, pos) {
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if (typeof zIndexFactor === 'undefined'){
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var $baseModal = $('<div class="modal hide" />').appendTo('body'),
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$baseBackdrop = $('<div class="modal-backdrop hide" />').appendTo('body');
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baseIndex['modal'] = +$baseModal.css('z-index');
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baseIndex['backdrop'] = +$baseBackdrop.css('z-index');
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zIndexFactor = baseIndex['modal'] - baseIndex['backdrop'];
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$baseModal.remove();
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$baseBackdrop.remove();
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$baseBackdrop = $baseModal = null;
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}
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return baseIndex[type] + (zIndexFactor * pos);
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}
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}());
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// make sure the event target is the modal itself in order to prevent
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// other components such as tabsfrom triggering the modal manager.
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// if Boostsrap namespaced events, this would not be needed.
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function targetIsSelf(callback){
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return function (e) {
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if (this === e.target){
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return callback.apply(this, arguments);
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}
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}
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}
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/* MODAL MANAGER PLUGIN DEFINITION
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* ======================= */
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$.fn.modalmanager = function (option, args) {
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return this.each(function () {
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var $this = $(this),
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data = $this.data('modalmanager');
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if (!data) $this.data('modalmanager', (data = new ModalManager(this, option)));
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if (typeof option === 'string') data[option].apply(data, [].concat(args))
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})
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};
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$.fn.modalmanager.defaults = {
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backdropLimit: 999,
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resize: true,
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spinner: '<div class="loading-spinner fade" style="width: 200px; margin-left: -100px;"><div class="progress progress-striped active"><div class="bar" style="width: 100%;"></div></div></div>',
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backdropTemplate: '<div class="modal-backdrop" />'
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};
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$.fn.modalmanager.Constructor = ModalManager
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}(jQuery);
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