From 3454a1b4cd068ec78803994080f6c0ecb1917395 Mon Sep 17 00:00:00 2001
From: Egor Savkin <es@m-labs.hk>
Date: Wed, 23 Aug 2023 16:58:02 +0800
Subject: [PATCH] Reposition summary popup relative to icon respective to
 window width, hide on scroll

Signed-off-by: Egor Savkin <es@m-labs.hk>
---
 static/js/shop.jsx            |  6 ++--
 static/js/shop_components.jsx | 53 ++++++++++++++++++++++++++++++-----
 2 files changed, 49 insertions(+), 10 deletions(-)

diff --git a/static/js/shop.jsx b/static/js/shop.jsx
index 78384b5..1e3ec6b 100644
--- a/static/js/shop.jsx
+++ b/static/js/shop.jsx
@@ -6,7 +6,7 @@ import { createRoot } from "react-dom/client";
 import PropTypes from "prop-types";
 import { DragDropContext, Droppable, Draggable } from "react-beautiful-dnd";
 import { v4 as uuidv4 } from 'uuid';
-import { CustomizeButton, CustomizeData } from "./shop_components.jsx";
+import { OptionsDialogPopup, OptionsSummaryPopup } from "./shop_components.jsx";
 
 const data = window.shop_data;
 const itemsUnfoldedList = Array.from(data.columns.backlog.categories.map(groupId => groupId.itemIds).flat());
@@ -710,7 +710,7 @@ class ProductCartItem extends React.PureComponent {
 
               {warning ? (
                 <img className="alert-warning" src={`/images${warning.icon}`} />
-              ) : (options ? (<CustomizeButton
+              ) : (options ? (<OptionsDialogPopup
                   options={options}
                   data={options_data}
                   key={"popover" + index}
@@ -1473,7 +1473,7 @@ class OrderSumary extends React.PureComponent {
                           src={`/images/${warning.icon}`}
                       />
                     ) : ( (options && options_data) ?
-                      ( <CustomizeData id={item.id + "options"} data={options_data} /> ) : null
+                      ( <OptionsSummaryPopup id={item.id + "options"} data={options_data} /> ) : null
                     )}
 
                     {(!warning && !options) && (
diff --git a/static/js/shop_components.jsx b/static/js/shop_components.jsx
index 7d6f52c..0e2ae15 100644
--- a/static/js/shop_components.jsx
+++ b/static/js/shop_components.jsx
@@ -2,7 +2,7 @@
 
 import React, {Component} from "react";
 import jsonLogic from 'json-logic-js';
-import {useState} from 'react';
+import {useState, useEffect} from 'react';
 import {useClickAway} from "@uidotdev/usehooks";
 
 // https://stackoverflow.com/a/70511311
@@ -268,7 +268,7 @@ export function ProcessOptions({options, data, target, id}) {
     }
 }
 
-export function CustomizeButton({options, data, target, id, big}) {
+export function OptionsDialogPopup({options, data, target, id, big}) {
     const [show, setShow] = useState(false);
     const ref = useClickAway(() => setShow(false));
 
@@ -294,14 +294,51 @@ export function CustomizeButton({options, data, target, id, big}) {
     );
 }
 
-export function CustomizeData({id, data}) {
+export function OptionsSummaryPopup({id, data}) {
     const [show, setShow] = useState(false);
     const [position, setPosition] = useState({x: 0, y: 0});
-    const ref = useClickAway(() => setShow(false));
+    const [size, setSize] = useState({w: 0, h: 0});
+    const close = () => {
+        setShow(false);
+        document.removeEventListener("scroll", close, true);
+    }
+
+    const ref = useClickAway(close);
+
+    const reposition = () => {
+        let popup_button = document.getElementById(id + "img");
+        let rect = popup_button.getBoundingClientRect()
+        let pos_x = (rect.left + rect.right) / 2;
+        let pos_y = (rect.top + rect.bottom) / 2;
+        if (pos_x + size.w > window.innerWidth) {
+            setPosition({x: pos_x - size.w - 20, y: pos_y - size.h / 2});
+        } else {
+            setPosition({x: pos_x - size.w / 2, y: pos_y - size.h - 20});
+        }
+    }
+
+    useEffect(() => {
+        if (show) {
+            let popup = document.getElementById(id);
+            let width = popup.offsetWidth;
+            let height = popup.offsetHeight;
+            setSize({w: width, h: height});
+            reposition()
+        }
+    }, [show])
+
+
+    useEffect(() => {
+        if (show) {
+            reposition();
+        }
+    }, [show, size])
 
     const handleClick = (event) => {
-        setPosition({x: event.clientX, y: event.clientY});
         setShow(!show);
+        if (!show) {
+            document.addEventListener("scroll", close, true);
+        }
     };
 
     const stringify = (value) => {
@@ -322,9 +359,11 @@ export function CustomizeData({id, data}) {
         <div ref={ref}>
             <img className="alert-info" src={show ? "/images/shop/icon-close.svg" : "/images/shop/icon-customize.svg"}
                  style={{'marginLeft': '10px'}}
+                 id={id + "img"}
                  onClick={handleClick}/>
-            <div style={{'display': show ? 'flex' : 'none', 'top': position.y - 170, 'left': position.x - 66}}
-                 className="overlayVariant card border rounded">
+            <div style={{'display': show ? 'flex' : 'none', 'top': position.y, 'left': position.x}}
+                 className="overlayVariant card border rounded"
+                 id={id}>
                 <div className="card-body">
                     {Array.from(Object.entries(data).map(([key, value], _) => {
                         return (<p className="card-text" key={id + key}><i>{key}</i>: {stringify(value)}</p>);