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aaa2205df1
Intended to fix positioning quirks caused by changing codemirror instance size when you have lines that wrap and cause line height changes. Often caused by editor toolbox expand/collapse. This adds a debounced resize observer to refresh editor layout on size change. Also tweaks toolbox expand/collapse to more consistently set aria attribute. For #3186
51 lines
1.9 KiB
JavaScript
51 lines
1.9 KiB
JavaScript
class EditorToolbox {
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constructor(elem) {
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// Elements
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this.elem = elem;
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this.buttons = elem.querySelectorAll('[toolbox-tab-button]');
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this.contentElements = elem.querySelectorAll('[toolbox-tab-content]');
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this.toggleButton = elem.querySelector('[toolbox-toggle]');
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// Toolbox toggle button click
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this.toggleButton.addEventListener('click', this.toggle.bind(this));
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// Tab button click
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this.elem.addEventListener('click', event => {
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let button = event.target.closest('[toolbox-tab-button]');
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if (button === null) return;
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let name = button.getAttribute('toolbox-tab-button');
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this.setActiveTab(name, true);
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});
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// Set the first tab as active on load
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this.setActiveTab(this.contentElements[0].getAttribute('toolbox-tab-content'));
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}
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toggle() {
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this.elem.classList.toggle('open');
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const expanded = this.elem.classList.contains('open') ? 'true' : 'false';
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this.toggleButton.setAttribute('aria-expanded', expanded);
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}
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setActiveTab(tabName, openToolbox = false) {
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// Set button visibility
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for (let i = 0, len = this.buttons.length; i < len; i++) {
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this.buttons[i].classList.remove('active');
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let bName = this.buttons[i].getAttribute('toolbox-tab-button');
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if (bName === tabName) this.buttons[i].classList.add('active');
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}
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// Set content visibility
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for (let i = 0, len = this.contentElements.length; i < len; i++) {
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this.contentElements[i].style.display = 'none';
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let cName = this.contentElements[i].getAttribute('toolbox-tab-content');
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if (cName === tabName) this.contentElements[i].style.display = 'block';
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}
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if (openToolbox && !this.elem.classList.contains('open')) {
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this.toggle();
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}
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}
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}
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export default EditorToolbox; |