ui-editable-table/index.html at master · evanshunt/ui-editable-table · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8"/>
    <title>Contentful UI extension table field</title>
    <link rel="stylesheet" href="https://contentful.github.io/ui-extensions-sdk/cf-extension.css">
    <script src="https://contentful.github.io/ui-extensions-sdk/cf-extension-api.js"></script>
    <style>
      select {
        margin-bottom: 1em;
      }

      input {
          border: none;
          width: 100%;
          font-size: 14px;
          padding: 2px;
          text-align: center;
      }

      input:hover { background-color: #eee; }
      input:focus { background-color: #ccf; }

      table {
        border-collapse: collapse;
        width: 100%;
      }

      td {
          border: 1px solid #999;
          padding: 0;
      }

      tr:first-child td input {
          background-color: #ccc;
          font-weight: bold;
          text-align: center;
          user-select: none;
      }
    </style>
  </head>
  <body>
    <div id="content">
      <table></table>
    </div>
    <script>
      function getInitialData({rows, header}) {
        const data = [
          header
        ];
        const columns = data[0].length;

        for (let i = 0; i < rows; i++) {
          data.push(new Array(data[0].length));
        }

        return data;
      }

      function alterData(data) {
        if (document.querySelector('#rows').value < data.length) {
      		data.length = document.querySelector('#rows').value;
        }
        else {
          for (let i = data.length; i < document.querySelector('#rows').value; i++) {
            data.push(new Array());
          }
        }

        for (let i = 0; i < data.length; i++) {
          if (document.querySelector('#columns').value < data[i].length) {
            data[i].length = document.querySelector('#columns').value;
          }
          else {
            for (let j = data[i].length; j < document.querySelector('#columns').value; j++) {
              data[i].push('');
            }
          }
        }

        return data;
      }

      function createDOMTable(elem, tableData) {
        while(elem.rows.length > 0) {
          elem.deleteRow(0);
        }

        for (let i = 0; i < tableData.length; i++) {
          let row = elem.insertRow();

          for (let j = 0; j < tableData[0].length; j++) {
            row.insertCell().innerHTML = `<input data-row="${i}" data-column="${j}" value="${tableData[i][j] || ''}"/>`;
          }
        }
      }

      window.contentfulExtension.init(extension => {
        let value = extension.field.getValue()

        if (!value) {
          value = {
            tableData : getInitialData({
              rows: 2,
              header: ['FOO', 'BAR']
            })
          };
        }

       createDOMTable(document.querySelector('table'), value.tableData);

        let selectTypes = ['rows', 'columns'];
        for (selectType in selectTypes) {
          let selectElement = document.createElement('select');
          selectElement.id = selectTypes[selectType];
          for (var i = 1; i<=100; i++){
            var opt = document.createElement('option');
            opt.value = i;
            opt.innerHTML = i + ' ' + selectElement.id;
            selectElement.appendChild(opt);
          }
          if (selectTypes[selectType] == 'rows') {
            selectElement.value = value.tableData.length;
          }
          else {
            selectElement.value = value.tableData[0].length;
          }
          selectElement.addEventListener('change', e => {
            value = {
              tableData : alterData(value.tableData)
            };
            createDOMTable(document.querySelector('table'), value.tableData);
            extension.window.updateHeight();
            extension.field.setValue(value);
          }, true);
          document.body.insertBefore(selectElement, document.body.childNodes[0]);
          extension.window.updateHeight();
        }

        window.addEventListener('blur', e => {
          value.tableData[e.target.dataset.row][e.target.dataset.column] = e.target.value;
          extension.field.setValue(value);
        }, true);
      });
    </script>
  </body>
</html>