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/* ===========================================================
* bootstrap-modalmanager.js v2.2.3
* ===========================================================
* Copyright 2012 Jordan Schroter.
*
* 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 ($) {
"use strict"; // jshint ;_;
/* MODAL MANAGER CLASS DEFINITION
* ====================== */
var ModalManager = function (element, options) {
this.init(element, options);
};
ModalManager.prototype = {
constructor: ModalManager,
init: function (element, options) {
this.$element = $(element);
this.options = $.extend({}, $.fn.modalmanager.defaults, this.$element.data(), typeof options == 'object' && options);
this.stack = [];
this.backdropCount = 0;
if (this.options.resize) {
var resizeTimeout,
that = this;
$(window).on('resize.modal', function(){
resizeTimeout && clearTimeout(resizeTimeout);
resizeTimeout = setTimeout(function(){
for (var i = 0; i < that.stack.length; i++){
that.stack[i].isShown && that.stack[i].layout();
}
}, 10);
});
}
},
createModal: function (element, options) {
$(element).modal($.extend({ manager: this }, options));
},
appendModal: function (modal) {
this.stack.push(modal);
var that = this;
modal.$element.on('show.modalmanager', targetIsSelf(function (e) {
var showModal = function(){
modal.isShown = true;
var transition = $.support.transition && modal.$element.hasClass('fade');
that.$element
.toggleClass('modal-open', that.hasOpenModal())
.toggleClass('page-overflow', $(window).height() < that.$element.height());
modal.$parent = modal.$element.parent();
modal.$container = that.createContainer(modal);
modal.$element.appendTo(modal.$container);
that.backdrop(modal, function () {
modal.$element.show();
if (transition) {
//modal.$element[0].style.display = 'run-in';
modal.$element[0].offsetWidth;
//modal.$element.one($.support.transition.end, function () { modal.$element[0].style.display = 'block' });
}
modal.layout();
modal.$element
.addClass('in')
.attr('aria-hidden', false);
var complete = function () {
that.setFocus();
modal.$element.trigger('shown');
};
transition ?
modal.$element.one($.support.transition.end, complete) :
complete();
});
};
modal.options.replace ?
that.replace(showModal) :
showModal();
}));
modal.$element.on('hidden.modalmanager', targetIsSelf(function (e) {
that.backdrop(modal);
// handle the case when a modal may have been removed from the dom before this callback executes
if (!modal.$element.parent().length) {
that.destroyModal(modal);
} else if (modal.$backdrop){
var transition = $.support.transition && modal.$element.hasClass('fade');
// trigger a relayout due to firebox's buggy transition end event
if (transition) { modal.$element[0].offsetWidth; }
$.support.transition && modal.$element.hasClass('fade') ?
modal.$backdrop.one($.support.transition.end, function () { modal.destroy(); }) :
modal.destroy();
} else {
modal.destroy();
}
}));
modal.$element.on('destroy.modalmanager', targetIsSelf(function (e) {
that.destroyModal(modal);
}));
},
getOpenModals: function () {
var openModals = [];
for (var i = 0; i < this.stack.length; i++){
if (this.stack[i].isShown) openModals.push(this.stack[i]);
}
return openModals;
},
hasOpenModal: function () {
return this.getOpenModals().length > 0;
},
setFocus: function () {
var topModal;
for (var i = 0; i < this.stack.length; i++){
if (this.stack[i].isShown) topModal = this.stack[i];
}
if (!topModal) return;
topModal.focus();
},
destroyModal: function (modal) {
modal.$element.off('.modalmanager');
if (modal.$backdrop) this.removeBackdrop(modal);
this.stack.splice(this.getIndexOfModal(modal), 1);
var hasOpenModal = this.hasOpenModal();
this.$element.toggleClass('modal-open', hasOpenModal);
if (!hasOpenModal){
this.$element.removeClass('page-overflow');
}
this.removeContainer(modal);
this.setFocus();
},
getModalAt: function (index) {
return this.stack[index];
},
getIndexOfModal: function (modal) {
for (var i = 0; i < this.stack.length; i++){
if (modal === this.stack[i]) return i;
}
},
replace: function (callback) {
var topModal;
for (var i = 0; i < this.stack.length; i++){
if (this.stack[i].isShown) topModal = this.stack[i];
}
if (topModal) {
this.$backdropHandle = topModal.$backdrop;
topModal.$backdrop = null;
callback && topModal.$element.one('hidden',
targetIsSelf( $.proxy(callback, this) ));
topModal.hide();
} else if (callback) {
callback();
}
},
removeBackdrop: function (modal) {
modal.$backdrop.remove();
modal.$backdrop = null;
},
createBackdrop: function (animate, tmpl) {
var $backdrop;
if (!this.$backdropHandle) {
$backdrop = $(tmpl)
.addClass(animate)
.appendTo(this.$element);
} else {
$backdrop = this.$backdropHandle;
$backdrop.off('.modalmanager');
this.$backdropHandle = null;
this.isLoading && this.removeSpinner();
}
return $backdrop;
},
removeContainer: function (modal) {
modal.$container.remove();
modal.$container = null;
},
createContainer: function (modal) {
var $container;
$container = $('<div class="modal-scrollable">')
.css('z-index', getzIndex('modal', this.getOpenModals().length))
.appendTo(this.$element);
if (modal && modal.options.backdrop != 'static') {
$container.on('click.modal', targetIsSelf(function (e) {
modal.hide();
}));
} else if (modal) {
$container.on('click.modal', targetIsSelf(function (e) {
modal.attention();
}));
}
return $container;
},
backdrop: function (modal, callback) {
var animate = modal.$element.hasClass('fade') ? 'fade' : '',
showBackdrop = modal.options.backdrop &&
this.backdropCount < this.options.backdropLimit;
if (modal.isShown && showBackdrop) {
var doAnimate = $.support.transition && animate && !this.$backdropHandle;
modal.$backdrop = this.createBackdrop(animate, modal.options.backdropTemplate);
modal.$backdrop.css('z-index', getzIndex( 'backdrop', this.getOpenModals().length ));
if (doAnimate) modal.$backdrop[0].offsetWidth; // force reflow
modal.$backdrop.addClass('in');
this.backdropCount += 1;
doAnimate ?
modal.$backdrop.one($.support.transition.end, callback) :
callback();
} else if (!modal.isShown && modal.$backdrop) {
modal.$backdrop.removeClass('in');
this.backdropCount -= 1;
var that = this;
$.support.transition && modal.$element.hasClass('fade')?
modal.$backdrop.one($.support.transition.end, function () { that.removeBackdrop(modal) }) :
that.removeBackdrop(modal);
} else if (callback) {
callback();
}
},
removeSpinner: function(){
this.$spinner && this.$spinner.remove();
this.$spinner = null;
this.isLoading = false;
},
removeLoading: function () {
this.$backdropHandle && this.$backdropHandle.remove();
this.$backdropHandle = null;
this.removeSpinner();
},
loading: function (callback) {
callback = callback || function () { };
this.$element
.toggleClass('modal-open', !this.isLoading || this.hasOpenModal())
.toggleClass('page-overflow', $(window).height() < this.$element.height());
if (!this.isLoading) {
this.$backdropHandle = this.createBackdrop('fade', this.options.backdropTemplate);
this.$backdropHandle[0].offsetWidth; // force reflow
var openModals = this.getOpenModals();
this.$backdropHandle
.css('z-index', getzIndex('backdrop', openModals.length + 1))
.addClass('in');
var $spinner = $(this.options.spinner)
.css('z-index', getzIndex('modal', openModals.length + 1))
.appendTo(this.$element)
.addClass('in');
this.$spinner = $(this.createContainer())
.append($spinner)
.on('click.modalmanager', $.proxy(this.loading, this));
this.isLoading = true;
$.support.transition ?
this.$backdropHandle.one($.support.transition.end, callback) :
callback();
} else if (this.isLoading && this.$backdropHandle) {
this.$backdropHandle.removeClass('in');
var that = this;
$.support.transition ?
this.$backdropHandle.one($.support.transition.end, function () { that.removeLoading() }) :
that.removeLoading();
} else if (callback) {
callback(this.isLoading);
}
}
};
/* PRIVATE METHODS
* ======================= */
// computes and caches the zindexes
var getzIndex = (function () {
var zIndexFactor,
baseIndex = {};
return function (type, pos) {
if (typeof zIndexFactor === 'undefined'){
var $baseModal = $('<div class="modal hide" />').appendTo('body'),
$baseBackdrop = $('<div class="modal-backdrop hide" />').appendTo('body');
baseIndex['modal'] = +$baseModal.css('z-index');
baseIndex['backdrop'] = +$baseBackdrop.css('z-index');
zIndexFactor = baseIndex['modal'] - baseIndex['backdrop'];
$baseModal.remove();
$baseBackdrop.remove();
$baseBackdrop = $baseModal = null;
}
return baseIndex[type] + (zIndexFactor * pos);
}
}());
// make sure the event target is the modal itself in order to prevent
// other components such as tabsfrom triggering the modal manager.
// if Boostsrap namespaced events, this would not be needed.
function targetIsSelf(callback){
return function (e) {
if (this === e.target){
return callback.apply(this, arguments);
}
}
}
/* MODAL MANAGER PLUGIN DEFINITION
* ======================= */
$.fn.modalmanager = function (option, args) {
return this.each(function () {
var $this = $(this),
data = $this.data('modalmanager');
if (!data) $this.data('modalmanager', (data = new ModalManager(this, option)));
if (typeof option === 'string') data[option].apply(data, [].concat(args))
})
};
$.fn.modalmanager.defaults = {
backdropLimit: 999,
resize: true,
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>',
backdropTemplate: '<div class="modal-backdrop" />'
};
$.fn.modalmanager.Constructor = ModalManager
// ModalManager handles the modal-open class so we need
// to remove conflicting bootstrap 3 event handlers
$(function () {
$(document).off('show.bs.modal').off('hidden.bs.modal');
});
}(jQuery);
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