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