BookStack/resources/js/components/editor-toolbox.js

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JavaScript
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class EditorToolbox {
constructor(elem) {
// Elements
this.elem = elem;
this.buttons = elem.querySelectorAll('[toolbox-tab-button]');
this.contentElements = elem.querySelectorAll('[toolbox-tab-content]');
this.toggleButton = elem.querySelector('[toolbox-toggle]');
// Toolbox toggle button click
this.toggleButton.addEventListener('click', this.toggle.bind(this));
// Tab button click
this.elem.addEventListener('click', event => {
let button = event.target.closest('[toolbox-tab-button]');
if (button === null) return;
let name = button.getAttribute('toolbox-tab-button');
this.setActiveTab(name, true);
});
// Set the first tab as active on load
this.setActiveTab(this.contentElements[0].getAttribute('toolbox-tab-content'));
}
toggle() {
this.elem.classList.toggle('open');
const expanded = this.elem.classList.contains('open') ? 'true' : 'false';
this.toggleButton.setAttribute('aria-expanded', expanded);
}
setActiveTab(tabName, openToolbox = false) {
// Set button visibility
for (let i = 0, len = this.buttons.length; i < len; i++) {
this.buttons[i].classList.remove('active');
let bName = this.buttons[i].getAttribute('toolbox-tab-button');
if (bName === tabName) this.buttons[i].classList.add('active');
}
// Set content visibility
for (let i = 0, len = this.contentElements.length; i < len; i++) {
this.contentElements[i].style.display = 'none';
let cName = this.contentElements[i].getAttribute('toolbox-tab-content');
if (cName === tabName) this.contentElements[i].style.display = 'block';
}
if (openToolbox) this.elem.classList.add('open');
}
}
export default EditorToolbox;