v4.20.1

Features

• Added option to set tree grid indent width (#1538)

  const grid = new tui.Grid({
  // ...
  treeColumnOptions: {
    // ...
    indentWidth: 50
    },
  // ...
  });

• Added APIs that return added class names (#1561)
  Column

  getColumnClassNames(columnName: string): string[]

  Row

  getRowClassNames(rowKey: number | string): string[]

  Cell

  getCellClassNames(rowKey: number | string, columnName: string): string[]

  In the case of a cell, the class name added to the column and row to which the cell corresponds is also returned.
  In the case of a column, only the class names added to the column in all rows are returned.

Bugfixes

• Fixed that where the summary calculated incorrectly when using the keyboard (#1536)
• Fixed that where dropdown layer in the editor did not move when scrolling (#1542)
• Fixed that dropdown layer in the editor not disappearing (#1545)
• Fixed to the validation works when only data modified (#1559)

Documents

• Corrected incorrect default values for options (fix #1449) (#1503)
• Fixed an issue where options were passed incorrectly in the filter example (fix #1452) (#1502)