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472 lines
13 KiB
472 lines
13 KiB
/* ******************************
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Modal
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Author: Jack Lukic
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Notes: First Commit May 14, 2012
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Manages modal state and
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stage dimming
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****************************** */
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;(function ( $, window, document, undefined ) {
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$.fn.modal = function(parameters) {
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var
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$allModals = $(this),
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$document = $(document),
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settings = ( $.isPlainObject(parameters) )
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? $.extend(true, {}, $.fn.modal.settings, parameters)
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: $.fn.modal.settings,
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selector = settings.selector,
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className = settings.className,
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namespace = settings.namespace,
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error = settings.error,
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eventNamespace = '.' + namespace,
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moduleNamespace = 'module-' + namespace,
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moduleSelector = $allModals.selector || '',
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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invokedResponse
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;
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$allModals
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.each(function() {
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var
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$modal = $(this),
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$context = $(settings.context),
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$otherModals = $allModals.not($modal),
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$closeButton = $modal.find(selector.closeButton),
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$dimmer,
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element = this,
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instance = $modal.data(moduleNamespace),
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modal
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;
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modal = {
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initialize: function() {
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modal.verbose('Initializing modal');
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$closeButton
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.on('click', modal.event.close)
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;
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$context
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.dimmer({
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closable: settings.closable,
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duration: settings.duration,
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onShow: function() {
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modal.add.keyboardShortcuts();
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$.proxy(settings.onShow, this)();
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},
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onHide: function() {
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if($modal.is(':visible')) {
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$context.off('.dimmer');
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modal.hide();
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$.proxy(settings.onHide, this)();
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}
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modal.remove.keyboardShortcuts();
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}
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})
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;
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$dimmer = $context.children(selector.dimmer);
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if( $modal.parent()[0] !== $dimmer[0] ) {
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modal.debug('Moving element inside dimmer', $context);
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$modal
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.detach()
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.appendTo($dimmer)
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;
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}
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modal.cache.sizes();
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modal.instantiate();
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},
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instantiate: function() {
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modal.verbose('Storing instance of modal');
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instance = modal;
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$modal
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.data(moduleNamespace, instance)
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;
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},
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destroy: function() {
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modal.verbose('Destroying previous modal');
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$modal
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.off(eventNamespace)
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;
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},
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event: {
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close: function() {
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modal.verbose('Close button pressed');
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$context.dimmer('hide');
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},
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keyboard: function(event) {
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var
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keyCode = event.which,
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escapeKey = 27
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;
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if(keyCode == escapeKey) {
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modal.debug('Escape key pressed hiding modal');
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$context.dimmer('hide');
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event.preventDefault();
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}
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},
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resize: function() {
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modal.cache.sizes();
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if( $modal.is(':visible') ) {
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modal.set.type();
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modal.set.position();
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}
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}
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},
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toggle: function() {
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if( modal.is.active() ) {
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modal.hide();
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}
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else {
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modal.show();
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}
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},
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show: function() {
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modal.set.type();
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modal.set.position();
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modal.hideAll();
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if(settings.transition && $.fn.transition !== undefined) {
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$modal
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.transition(settings.transition + ' in', settings.duration, modal.set.active)
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;
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}
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else {
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$modal
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.fadeIn(settings.duration, settings.easing, modal.set.active)
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;
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}
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$context.dimmer('show');
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},
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hide: function() {
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// remove keyboard detection
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$document
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.off('keyup.' + namespace)
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;
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if(settings.transition && $.fn.transition !== undefined) {
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$modal
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.transition(settings.transition + ' out', settings.duration, modal.remove.active)
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;
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}
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else {
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$modal
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.fadeOut(settings.duration, settings.easing, modal.remove.active)
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;
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}
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},
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hideAll: function() {
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$otherModals
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.filter(':visible')
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.modal('hide')
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;
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},
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add: {
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keyboardShortcuts: function() {
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modal.verbose('Adding keyboard shortcuts');
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$document
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.on('keyup' + eventNamespace, modal.event.keyboard)
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;
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}
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},
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remove: {
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active: function() {
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$modal.removeClass(className.active);
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},
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keyboardShortcuts: function() {
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modal.verbose('Removing keyboard shortcuts');
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$document
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.off('keyup' + eventNamespace)
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;
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}
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},
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cache: {
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sizes: function() {
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modal.cache = {
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height : $modal.outerHeight() + settings.offset,
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contextHeight : (settings.context == 'body')
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? $(window).height()
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: $context.height()
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};
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modal.debug('Caching modal and container sizes', modal.cache);
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}
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},
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can: {
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fit: function() {
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return (modal.cache.height < modal.cache.contextHeight);
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}
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},
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is: {
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active: function() {
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return $modal.hasClass(className.active);
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}
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},
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set: {
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active: function() {
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$modal.addClass('active');
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},
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type: function() {
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if(modal.can.fit()) {
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modal.verbose('Modal fits on screen');
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$modal.removeClass(className.scrolling);
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}
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else {
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modal.verbose('Modal cannot fit on screen setting to scrolling');
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$modal.addClass(className.scrolling);
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}
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},
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position: function() {
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modal.verbose('Centering modal on page');
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if(modal.can.fit()) {
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$modal
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.css({
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marginTop: -(modal.cache.height / 2)
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})
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;
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}
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else {
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$modal
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.css({
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top: $context.prop('scrollTop')
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})
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;
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}
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}
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},
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setting: function(name, value) {
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if(value !== undefined) {
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if( $.isPlainObject(name) ) {
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$.extend(true, settings, name);
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}
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else {
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settings[name] = value;
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}
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}
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else {
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return settings[name];
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}
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},
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internal: function(name, value) {
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if(value !== undefined) {
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if( $.isPlainObject(name) ) {
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$.extend(true, modal, name);
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}
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else {
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modal[name] = value;
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}
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}
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else {
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return modal[name];
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}
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},
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debug: function() {
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if(settings.debug) {
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if(settings.performance) {
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modal.performance.log(arguments);
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}
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else {
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modal.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
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modal.debug.apply(console, arguments);
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}
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}
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},
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verbose: function() {
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if(settings.verbose && settings.debug) {
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if(settings.performance) {
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modal.performance.log(arguments);
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}
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else {
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modal.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
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modal.verbose.apply(console, arguments);
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}
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}
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},
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error: function() {
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modal.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
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modal.error.apply(console, arguments);
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},
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performance: {
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log: function(message) {
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var
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currentTime,
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executionTime,
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previousTime
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;
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if(settings.performance) {
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currentTime = new Date().getTime();
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previousTime = time || currentTime;
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executionTime = currentTime - previousTime;
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time = currentTime;
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performance.push({
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'Element' : element,
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'Name' : message[0],
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'Arguments' : [].slice.call(message, 1) || '',
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'Execution Time' : executionTime
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});
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}
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clearTimeout(modal.performance.timer);
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modal.performance.timer = setTimeout(modal.performance.display, 100);
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},
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display: function() {
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var
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title = settings.name + ':',
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totalTime = 0
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;
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time = false;
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clearTimeout(modal.performance.timer);
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$.each(performance, function(index, data) {
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totalTime += data['Execution Time'];
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});
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title += ' ' + totalTime + 'ms';
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if(moduleSelector) {
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title += ' \'' + moduleSelector + '\'';
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}
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if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
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console.groupCollapsed(title);
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if(console.table) {
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console.table(performance);
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}
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else {
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$.each(performance, function(index, data) {
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console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
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});
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}
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console.groupEnd();
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}
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performance = [];
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}
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},
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invoke: function(query, passedArguments, context) {
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var
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maxDepth,
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found,
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response
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;
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passedArguments = passedArguments || queryArguments;
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context = element || context;
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if(typeof query == 'string' && instance !== undefined) {
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query = query.split(/[\. ]/);
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maxDepth = query.length - 1;
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$.each(query, function(depth, value) {
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var camelCaseValue = (depth != maxDepth)
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? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
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: query
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;
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if( $.isPlainObject( instance[value] ) && (depth != maxDepth) ) {
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instance = instance[value];
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}
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else if( $.isPlainObject( instance[camelCaseValue] ) && (depth != maxDepth) ) {
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instance = instance[camelCaseValue];
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}
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else if( instance[value] !== undefined ) {
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found = instance[value];
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return false;
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}
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else if( instance[camelCaseValue] !== undefined ) {
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found = instance[camelCaseValue];
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return false;
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}
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else {
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modal.error(error.method);
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return false;
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}
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});
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}
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if ( $.isFunction( found ) ) {
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response = found.apply(context, passedArguments);
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}
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else if(found !== undefined) {
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response = found;
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}
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if($.isArray(invokedResponse)) {
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invokedResponse.push(response);
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}
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else if(typeof invokedResponse == 'string') {
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invokedResponse = [invokedResponse, response];
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}
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else if(response !== undefined) {
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invokedResponse = response;
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}
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return found;
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}
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};
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if(methodInvoked) {
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if(instance === undefined) {
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modal.initialize();
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}
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invokedResponse = modal.invoke(query);
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}
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else {
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if(instance !== undefined) {
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modal.destroy();
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}
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modal.initialize();
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}
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})
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;
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return (invokedResponse !== undefined)
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? invokedResponse
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: this
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;
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};
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$.fn.modal.settings = {
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name : 'Modal',
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namespace : 'modal',
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verbose : true,
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debug : true,
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performance : true,
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offset : 0,
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transition : 'scale',
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duration : 500,
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easing : 'easeOutExpo',
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closable : true,
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context : 'body',
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onShow : function(){},
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onHide : function(){},
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selector : {
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closeButton : '.close, .actions .button',
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dimmer: '.ui.dimmer'
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},
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error : {
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method : 'The method you called is not defined.'
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},
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className : {
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scrolling : 'scrolling'
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},
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};
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})( jQuery, window , document );
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