JSFiddle - React, Tailwind, and code Playground

by Flexmonster Pivot Table

HTML

<link rel="stylesheet" href="https://s3.amazonaws.com/flexmonster/2.3/demo.css">
<script src="https://cdn.flexmonster.com/flexmonster.js"></script>
<link href="https://cdn.flexmonster.com/flexmonster.css" rel="stylesheet" />
<p>
Open Size pop-up to check custom filter
</p>
<div id="pivot-container"></div>
<div id="custom-filter-popup-wrap" class="hideCustomFilter">
  <div id="custom-filter-popup-title"></div>
  <div class="custom-popup-search-wrap">
    <span>Search:</span>
    <input
      id="custom-filter-search-input"
      type="text"
      autocomplete="off"
      data-placeholder="Search"
      value="1"
    />
    <button id="custom-filter-search-button" onclick="searchMembers()">
      🔎
    </button>
  </div>
  <div class="custom-popup-members-wrap">
    <span> Members: </span><br />
    <select id="custom-filter-popup-select"></select>
  </div>
  <div id="custom-filter-popup-buttons-wrap">
    <button onclick="applyFilter()">Apply</button>
    <button onclick="closeFilterPopup()">Cancel</button>
  </div>
</div>

CSS

div.fm-filter-view.hideDefaultFilter {
  z-index: -100 !important;
}

.hideCustomFilter {
  display: none !important;
}

#custom-filter-popup-wrap {
  flex-flow: column;
  background-color: rgb(255, 255, 255);
  box-shadow: 0 0 20px rgb(0 0 0 / 10%);
  position: absolute;
  padding: 10px;
  width: 50%;
  height: min-content;
  left: 0;
  right: 0;
  margin-left: auto;
  margin-right: auto;
  top: 0;
  bottom: 0;
  margin-top: auto;
  margin-bottom: auto;
  z-index: 200;
}

#custom-filter-popup-title {
  padding: 10px;
  font-size: 24px;
  color: #111;
  font-family: Arial, sans-serif;
}

.custom-popup-search-wrap {
  margin: 10px 5px 10px 5px;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.custom-popup-members-wrap {
  margin: 10px 5px 10px 5px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.custom-popup-members-wrap span, .custom-popup-members-wrap select {
  font-size: 16px !important;
  padding: 7px !important;
  border-radius: 5px !important;
}

#custom-filter-search-button, .custom-popup-search-wrap span {
  font-size: 16px !important;
  padding: 7px !important;
  border-radius: 5px !important;
}
#custom-filter-popup-select{
    margin-left: 7px !important;
}
#custom-filter-popup-select,
#custom-filter-search-input {

  padding: 7px 12px 7px 12px;
  border: 1px solid #E8EAED;
  border-radius: 5px;
  background: white;
  box-shadow: 0 1px 3px -2px #9098A9;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  width: 60%;
}

#custom-filter-popup-buttons-wrap {
  margin: 10px 5px 10px 5px;
  display: flex;
  flex-direction: row;
}

#custom-filter-popup-wrap button {
  display: block;
  flex-grow: 1;
  margin-left: 5px;
  margin-right: 5px;
}

JavaScript

var pivot = new Flexmonster({
  container: "#pivot-container",
  componentFolder: "https://cdn.flexmonster.com/",
  toolbar: true,
  report: {
    dataSource: {
      type: "api",
      url: "https://olap.flexmonster.com:9500",
      index: "fm-product-sales",
      mapping: {
        Size: {
          filters: {
            members: false,
          },
        },
      },
    },
    slice: {
      rows: [
        {
          uniqueName: "Country",
        },
        {
          uniqueName: "Size",
        },
      ],
      columns: [
        {
          uniqueName: "Category",
        },
        {
          uniqueName: "[Measures]",
        },
      ],
      measures: [
        {
          uniqueName: "Price",
          aggregation: "sum",
        },
        {
          uniqueName: "Quantity",
          aggregation: "average",
        },
      ],
    },
    formats: [
      {
        name: "",
        maxDecimalPlaces: 2,
      },
    ],
  },
  width: "100%",
})


const pivotContainer = document.getElementById("pivot-container")
const customFilterHierarchy = "Size"

pivot.on("filteropen", function (params) {
  const defaultFilterPopup = document.querySelector(
    "div#fm-pivot-view div.fm-filter-view",
  )
  const showCustomFilter = params.hierarchy.uniqueName == customFilterHierarchy
  defaultFilterPopup.classList.toggle("hideDefaultFilter", showCustomFilter)
  if (showCustomFilter) {
    openPivotPopup()
  }
})

function openPivotPopup() {
  pivotContainer.setAttribute("style", "pointer-events: none; opacity: 0.85;")
  const filterPopup = document.getElementById("custom-filter-popup-wrap")
  const title = document.getElementById("custom-filter-popup-title")
  const search = document.getElementById("custom-filter-search-input")

  title.textContent = customFilterHierarchy

  const select = document.getElementById("custom-filter-popup-select")
  //list of members from /members response
  const predefinedMembers = []

  select.innerHTML = ""
 ...