import $ from 'jquery';
/**
* Linked Tabs
*
* Handles persisting and restores the current tab selection and content.
* Reusable component for static content.
*
* ### Example Markup
*
*
* -
*
* Tab 1
*
*
* -
*
* Tab 2
*
*
*
*
*
*
* Tab 1 Content
*
*
* Tab 2 Content
*
*
*
*
* ### How to use
*
* new LinkedTabs({
* action: "#{controller.action_name}",
* defaultAction: 'tab1',
* parentEl: '.tab-links'
* });
*/
export default class LinkedTabs {
/**
* Binds the events and activates de default tab.
*
* @param {Object} options
*/
constructor(options = {}) {
this.options = options;
this.defaultAction = this.options.defaultAction;
this.action = this.options.action || this.defaultAction;
this.hashedTabs = this.options.hashedTabs || false;
if (this.action === 'show') {
this.action = this.defaultAction;
}
this.currentLocation = window.location;
if (this.hashedTabs) {
this.action = this.currentLocation.hash || this.action;
}
const tabSelector = `${this.options.parentEl} a[data-toggle="tab"]`;
// since this is a custom event we need jQuery :(
$(document)
.off('shown.bs.tab', tabSelector)
.on('shown.bs.tab', tabSelector, (e) => this.tabShown(e));
this.activateTab(this.action);
}
/**
* Handles the `shown.bs.tab` event to set the currect url action.
*
* @param {type} evt
* @return {Function}
*/
tabShown(evt) {
const source = evt.target.getAttribute('href');
return this.setCurrentAction(source);
}
/**
* Updates the URL with the path that matched the given action.
*
* @param {String} source
* @return {String}
*/
setCurrentAction(source) {
const copySource = source;
copySource.replace(/\/+$/, '');
const newState = this.hashedTabs
? copySource
: `${copySource}${this.currentLocation.search}${this.currentLocation.hash}`;
window.history.replaceState(
{
url: newState,
},
document.title,
newState,
);
return newState;
}
/**
* Given the current action activates the correct tab.
* http://getbootstrap.com/javascript/#tab-show
* Note: Will trigger `shown.bs.tab`
*/
activateTab() {
return $(`${this.options.parentEl} a[data-action='${this.action}']`).tab('show');
}
}