osb/spark/resources/assets/js/mixins/tab-state.js
2017-11-03 16:26:07 +11:00

92 lines
2.3 KiB
JavaScript
Vendored

module.exports = {
pushStateSelector: null,
methods: {
/**
* Initialize push state handling for tabs.
*/
usePushStateForTabs(selector) {
this.pushStateSelector = selector;
this.registerTabClickHandler();
window.addEventListener('popstate', e => {
this.activateTabForCurrentHash();
});
if (window.location.hash) {
this.activateTabForCurrentHash();
} else {
this.activateFirstTab();
}
},
/**
* Register the click handler for all of the tabs.
*/
registerTabClickHandler() {
const self = this;
$(`${this.pushStateSelector} a[data-toggle="tab"]`).on('click', function(e) {
self.removeActiveClassFromTabs();
history.pushState(null, null, '#/' + $(this).attr('href').substring(1));
self.broadcastTabChange($(this).attr('href').substring(1));
});
},
/**
* Activate the tab for the current hash in the URL.
*/
activateTabForCurrentHash() {
var hash = window.location.hash.substring(2);
var parameters = hash.split('/');
hash = parameters.shift();
this.removeActiveClassFromTabs();
const tab = $(`${this.pushStateSelector} a[href="#${hash}"][data-toggle="tab"]`);
if (tab.length > 0) {
tab.tab('show');
}
this.broadcastTabChange(hash, parameters);
},
/**
* Activate the first tab in a list.
*/
activateFirstTab() {
const tab = $(`${this.pushStateSelector} a[data-toggle="tab"]`).first();
tab.tab('show');
this.broadcastTabChange(tab.attr('href').substring(1));
},
/**
* Remove the active class from the tabs.
*/
removeActiveClassFromTabs() {
$(`${this.pushStateSelector} li`).removeClass('active');
},
/**
* Broadcast that a tab change happened.
*/
broadcastTabChange(hash, parameters) {
Bus.$emit('sparkHashChanged', hash, parameters);
}
}
};