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Dan Ko
35
getCellByColumnVisibleIndex may return undefined
posted

I need to prevent moving to the next or previous row in igx-grid which happens during editing when Tab or Shift+Tab are hit.

(And to prevent editing of certain cells based on data)

In my sandbox solution (stackblitz) everything works fine up to the point when a width of the grid triggers scrolling(can be emulated with F12 and DevTools to the right occupying a half of the screen).

In such case grid.getCellByColumnVisibleIndex might return undefined.

Is there a safe analog?

Parents
  • 1080
    Offline posted

    Hi,

    After further investigation, my suggestion is to use a different approach by passing a callback function as a third parameter of the getNextCell and getPreviousCell methods in order to validate a given cell:

    const followingPosition = shift
      ? this.grid.getPreviousCell(
        activeCell.row,
        activeCell.column,
        (column: IgxColumnComponent) => this.isEditable(column, evt.target.row.rowData)
      )
      : this.grid.getNextCell(
        activeCell.row,
        activeCell.column,
        (column: IgxColumnComponent) => this.isEditable(column, evt.target.row.rowData)
      );


    I have forked and modified the provided sample for your reference. Please test it on your side and let me know how it behaves and does it meet your requirement.

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