app/assets/javascripts/twitter/bootstrap/bootstrap-modal.js
/* ===========================================================
* bootstrap-modal.js v2.0
* ===========================================================
* 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 ($) {
"use strict"; // jshint ;_;
/* MODAL CLASS DEFINITION
* ====================== */
var Modal = function (element, options) {
this.init(element, options);
}
Modal.prototype = {
constructor: Modal,
init: function (element, options) {
this.options = options;
this.$element = $(element)
.delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this));
this.options.remote && this.$element.find('.modal-body').load(this.options.remote);
var manager = typeof this.options.manager === 'function' ?
this.options.manager.call(this) : this.options.manager;
manager = manager.appendModal ?
manager : $(manager).modalmanager().data('modalmanager');
manager.appendModal(this);
},
toggle: function () {
return this[!this.isShown ? 'show' : 'hide']();
},
show: function () {
var that = this,
e = $.Event('show');
if (this.isShown) return;
this.$element.triggerHandler(e);
if (e.isDefaultPrevented()) return;
if (this.options.width){
this.$element.css('width', this.options.width);
var that = this;
this.$element.css('margin-left', function () {
if (/%/ig.test(that.options.width)){
return -(parseInt(that.options.width) / 2) + '%';
} else {
return -($(this).width() / 2) + 'px';
}
});
}
var prop = this.options.height ? 'height' : 'max-height';
var value = this.options.height || this.options.maxHeight;
if (value){
this.$element.find('.modal-body')
.css('overflow', 'auto')
.css(prop, value);
}
this.escape();
this.tab();
this.options.loading && this.loading();
},
hide: function (e) {
e && e.preventDefault();
e = $.Event('hide');
this.$element.triggerHandler(e);
if (!this.isShown || e.isDefaultPrevented()) return (this.isShown = false);
this.isShown = false;
this.escape();
this.tab();
this.isLoading && this.loading();
$(document).off('focusin.modal');
this.$element
.removeClass('in')
.removeClass('animated')
.removeClass(this.options.attentionAnimation)
.removeClass('modal-overflow')
.attr('aria-hidden', true);
$.support.transition && this.$element.hasClass('fade') ?
this.hideWithTransition() :
this.hideModal();
},
tab: function () {
var that = this;
if (this.isShown && this.options.consumeTab) {
this.$element.on('keydown.tabindex.modal', '[data-tabindex]', function (e) {
if (e.keyCode && e.keyCode == 9){
var $next = $(this),
$rollover = $(this);
that.$element.find('[data-tabindex]:enabled:not([readonly])').each(function (e) {
if (!e.shiftKey){
$next = $next.data('tabindex') < $(this).data('tabindex') ?
$next = $(this) :
$rollover = $(this);
} else {
$next = $next.data('tabindex') > $(this).data('tabindex') ?
$next = $(this) :
$rollover = $(this);
}
});
$next[0] !== $(this)[0] ?
$next.focus() : $rollover.focus();
e.preventDefault();
}
});
} else if (!this.isShown) {
this.$element.off('keydown.tabindex.modal');
}
},
escape: function () {
var that = this;
if (this.isShown && this.options.keyboard) {
if (!this.$element.attr('tabindex')) this.$element.attr('tabindex', -1);
this.$element.on('keyup.dismiss.modal', function (e) {
e.which == 27 && that.hide();
});
} else if (!this.isShown) {
this.$element.off('keyup.dismiss.modal')
}
},
hideWithTransition: function () {
var that = this
, timeout = setTimeout(function () {
that.$element.off($.support.transition.end)
that.hideModal()
}, 500);
this.$element.one($.support.transition.end, function () {
clearTimeout(timeout)
that.hideModal()
});
},
hideModal: function () {
this.$element
.hide()
.triggerHandler('hidden');
var prop = this.options.height ? 'height' : 'max-height';
var value = this.options.height || this.options.maxHeight;
if (value){
this.$element.find('.modal-body')
.css('overflow', '')
.css(prop, '');
}
},
removeLoading: function () {
this.$loading.remove();
this.$loading = null;
this.isLoading = false;
},
loading: function (callback) {
callback = callback || function () {};
var animate = this.$element.hasClass('fade') ? 'fade' : '';
if (!this.isLoading) {
var doAnimate = $.support.transition && animate;
this.$loading = $('<div class="loading-mask ' + animate + '">')
.append(this.options.spinner)
.appendTo(this.$element);
if (doAnimate) this.$loading[0].offsetWidth // force reflow
this.$loading.addClass('in')
this.isLoading = true;
doAnimate ?
this.$loading.one($.support.transition.end, callback) :
callback();
} else if (this.isLoading && this.$loading) {
this.$loading.removeClass('in');
var that = this;
$.support.transition && this.$element.hasClass('fade')?
this.$loading.one($.support.transition.end, function () { that.removeLoading() }) :
that.removeLoading();
} else if (callback) {
callback(this.isLoading);
}
},
focus: function () {
var $focusElem = this.$element.find(this.options.focusOn);
$focusElem = $focusElem.length ? $focusElem : this.$element;
$focusElem.focus();
},
attention: function (){
// NOTE: transitionEnd with keyframes causes odd behaviour
if (this.options.attentionAnimation){
this.$element
.removeClass('animated')
.removeClass(this.options.attentionAnimation);
var that = this;
setTimeout(function () {
that.$element
.addClass('animated')
.addClass(that.options.attentionAnimation);
}, 0);
}
this.focus();
},
destroy: function () {
var e = $.Event('destroy');
this.$element.triggerHandler(e);
if (e.isDefaultPrevented()) return;
this.teardown();
},
teardown: function () {
if (!this.$parent.length){
this.$element.remove();
this.$element = null;
return;
}
if (this.$parent !== this.$element.parent()){
this.$element.appendTo(this.$parent);
}
this.$element.off('.modal');
this.$element.removeData('modal');
this.$element
.removeClass('in')
.attr('aria-hidden', true);
}
}
/* MODAL PLUGIN DEFINITION
* ======================= */
$.fn.modal = function (option) {
return this.each(function () {
var $this = $(this),
data = $this.data('modal'),
options = $.extend({}, $.fn.modal.defaults, $this.data(), typeof option == 'object' && option);
if (!data) $this.data('modal', (data = new Modal(this, options)))
if (typeof option == 'string') data[option]()
else if (options.show) data.show()
})
}
$.fn.modal.defaults = {
keyboard: true,
backdrop: true,
loading: false,
show: true,
width: null,
height: null,
maxHeight: null,
modalOverflow: false,
consumeTab: true,
focusOn: null,
attentionAnimation: 'shake',
manager: 'body',
spinner: '<div class="loading-spinner" style="width: 200px; margin-left: -100px;"><div class="progress progress-striped active"><div class="bar" style="width: 100%;"></div></div></div>'
}
$.fn.modal.Constructor = Modal
/* MODAL DATA-API
* ============== */
$(function () {
$(document).off('.modal').on('click.modal.data-api', '[data-toggle="modal"]', function ( e ) {
var $this = $(this),
href = $this.attr('href'),
$target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))), //strip for ie7
option = $target.data('modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data());
e.preventDefault();
$target
.modal(option)
.one('hide', function () {
$this.focus();
})
});
});
}(window.jQuery);