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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;
this.root = quill.addContainer('ql-tooltip');
this.root.innerHTML = this.constructor.TEMPLATE;
let offset = parseInt(window.getComputedStyle(this.root).marginTop);
this.quill.root.addEventListener('scroll', () => {
this.root.style.marginTop = (-1*this.quill.root.scrollTop) + offset + 'px';
this.checkBounds();
});
this.hide();
}
checkBounds() {
this.root.classList.toggle('ql-out-top', this.root.offsetTop <= 0);
this.root.classList.remove('ql-out-bottom');
this.root.classList.toggle('ql-out-bottom', this.root.offsetTop + this.root.offsetHeight >= this.quill.root.offsetHeight);
}
hide() {
this.root.classList.add('ql-hidden');
}
position(reference) {
let left = reference.left + reference.width/2 - this.root.offsetWidth/2;
let top = reference.bottom + this.quill.root.scrollTop;
this.root.style.left = left + 'px';
this.root.style.top = top + 'px';
let containerBounds = this.boundsContainer.getBoundingClientRect();
let 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';
}
this.checkBounds();
return shift;
}
show() {
this.root.classList.remove('ql-editing');
this.root.classList.remove('ql-hidden');
}
}
export default Tooltip;