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add comment clarifying popup arrangement options

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Bruno Windels 2021-05-12 14:02:15 +02:00
parent f331d84292
commit 2d2ec25f86
1 changed files with 11 additions and 0 deletions
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11
src/platform/web/ui/general/Popup.js
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@ -44,6 +44,14 @@ export class Popup {
this._trackingTemplateView.addSubView(this); this._trackingTemplateView.addSubView(this);
} }
/**
@param {DOMElement}
@param {string} arrangement.relativeTo: whether top/left or bottom/right is used to position
@param {string} arrangement.align: how much of the popup axis size (start: 0, end: width or center: width/2)
is taken into account when positioning relative to the target
@param {number} arrangement.before extra padding to shift the final positioning with
@param {number} arrangement.after extra padding to shift the final positioning with
*/
showRelativeTo(target, arrangement) { showRelativeTo(target, arrangement) {
this._target = target; this._target = target;
this._arrangement = arrangement; this._arrangement = arrangement;
@ -102,6 +110,9 @@ export class Popup {
} }
_applyArrangementAxis(axis, {relativeTo, align, before, after}) { _applyArrangementAxis(axis, {relativeTo, align, before, after}) {
// TODO: using {relativeTo: "end", align: "start"} to align the right edge of the popup
// with the right side of the target doens't make sense here, we'd expect align: "right"?
// see RoomView
if (relativeTo === "end") { if (relativeTo === "end") {
let end = axis.size(this._target.offsetParent) - axis.offsetStart(this._target); let end = axis.size(this._target.offsetParent) - axis.offsetStart(this._target);
if (align === "end") { if (align === "end") {