120 lines
2.8 KiB
JavaScript
120 lines
2.8 KiB
JavaScript
'use strict';
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!function($) {
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/**
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* ResponsiveToggle module.
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* @module foundation.responsiveToggle
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* @requires foundation.util.mediaQuery
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*/
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class ResponsiveToggle {
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/**
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* Creates a new instance of Tab Bar.
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* @class
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* @fires ResponsiveToggle#init
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* @param {jQuery} element - jQuery object to attach tab bar functionality to.
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* @param {Object} options - Overrides to the default plugin settings.
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*/
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constructor(element, options) {
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this.$element = $(element);
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this.options = $.extend({}, ResponsiveToggle.defaults, this.$element.data(), options);
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this._init();
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this._events();
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Foundation.registerPlugin(this, 'ResponsiveToggle');
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}
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/**
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* Initializes the tab bar by finding the target element, toggling element, and running update().
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* @function
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* @private
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*/
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_init() {
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var targetID = this.$element.data('responsive-toggle');
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if (!targetID) {
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console.error('Your tab bar needs an ID of a Menu as the value of data-tab-bar.');
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}
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this.$targetMenu = $(`#${targetID}`);
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this.$toggler = this.$element.find('[data-toggle]');
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this._update();
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}
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/**
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* Adds necessary event handlers for the tab bar to work.
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* @function
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* @private
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*/
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_events() {
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var _this = this;
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this._updateMqHandler = this._update.bind(this);
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$(window).on('changed.zf.mediaquery', this._updateMqHandler);
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this.$toggler.on('click.zf.responsiveToggle', this.toggleMenu.bind(this));
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}
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/**
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* Checks the current media query to determine if the tab bar should be visible or hidden.
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* @function
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* @private
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*/
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_update() {
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// Mobile
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if (!Foundation.MediaQuery.atLeast(this.options.hideFor)) {
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this.$element.show();
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this.$targetMenu.hide();
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}
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// Desktop
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else {
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this.$element.hide();
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this.$targetMenu.show();
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}
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}
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/**
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* Toggles the element attached to the tab bar. The toggle only happens if the screen is small enough to allow it.
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* @function
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* @fires ResponsiveToggle#toggled
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*/
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toggleMenu() {
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if (!Foundation.MediaQuery.atLeast(this.options.hideFor)) {
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this.$targetMenu.toggle(0);
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/**
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* Fires when the element attached to the tab bar toggles.
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* @event ResponsiveToggle#toggled
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*/
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this.$element.trigger('toggled.zf.responsiveToggle');
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}
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};
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destroy() {
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this.$element.off('.zf.responsiveToggle');
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this.$toggler.off('.zf.responsiveToggle');
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$(window).off('changed.zf.mediaquery', this._updateMqHandler);
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Foundation.unregisterPlugin(this);
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}
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}
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ResponsiveToggle.defaults = {
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/**
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* The breakpoint after which the menu is always shown, and the tab bar is hidden.
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* @option
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* @example 'medium'
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*/
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hideFor: 'medium'
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};
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// Window exports
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Foundation.plugin(ResponsiveToggle, 'ResponsiveToggle');
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}(jQuery);
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