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tooltip.js
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tooltip.js
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class Tooltip {
constructor(quill, boundsContainer) {
this.quill = quill;
this.boundsContainer = boundsContainer || document.body;
this.root = quill.addContainer('ql-tooltip');
this.root.innerHTML = this.constructor.TEMPLATE;
if (this.quill.root === this.quill.scrollingContainer) {
this.quill.root.addEventListener('scroll', () => {
this.root.style.marginTop = `${-1 * this.quill.root.scrollTop}px`;
});
}
this.hide();
}
hide() {
this.root.classList.add('ql-hidden');
}
position(reference) {
const left =
reference.left + reference.width / 2 - this.root.offsetWidth / 2;
// root.scrollTop should be 0 if scrollContainer !== root
const top = reference.bottom + this.quill.root.scrollTop;
this.root.style.left = `${left}px`;
this.root.style.top = `${top}px`;
this.root.classList.remove('ql-flip');
const containerBounds = this.boundsContainer.getBoundingClientRect();
const rootBounds = this.root.getBoundingClientRect();
let shift = 0;
if (rootBounds.right > containerBounds.right) {
shift = containerBounds.right - rootBounds.right;
this.root.style.left = `${left + shift}px`;
}
if (rootBounds.left < containerBounds.left) {
shift = containerBounds.left - rootBounds.left;
this.root.style.left = `${left + shift}px`;
}
if (rootBounds.bottom > containerBounds.bottom) {
const height = rootBounds.bottom - rootBounds.top;
const verticalShift = reference.bottom - reference.top + height;
this.root.style.top = `${top - verticalShift}px`;
this.root.classList.add('ql-flip');
}
return shift;
}
show() {
this.root.classList.remove('ql-editing');
this.root.classList.remove('ql-hidden');
}
}
export default Tooltip;