Method InputHandler

table.go:1370–1687

InputHandler returns the handler for this primitive.

()

// InputHandler returns the handler for this primitive.
func (t *Table) InputHandler() func(event *tcell.EventKey, setFocus func(p Primitive)) {
	return t.WrapInputHandler(func(event *tcell.EventKey, setFocus func(p Primitive)) {
		key := event.Key()

		if (!t.rowsSelectable && !t.columnsSelectable && key == tcell.KeyEnter) ||
			key == tcell.KeyEscape ||
			key == tcell.KeyTab ||
			key == tcell.KeyBacktab {
			if t.done != nil {
				t.done(key)
			}
			return
		}

		// Movement functions.
		previouslySelectedRow, previouslySelectedColumn := t.selectedRow, t.selectedColumn
		lastColumn := t.content.GetColumnCount() - 1
		rowCount := t.content.GetRowCount()
		if rowCount == 0 {
			return // No movement on empty tables.
		}
		var (
			// Move the selection forward, don't go beyond final cell, return
			// true if a selection was found.
			forward = func(finalRow, finalColumn int) bool {
				row, column := t.selectedRow, t.selectedColumn
				for {
					// Stop if the current selection is fine.
					cell := t.content.GetCell(row, column)
					if cell != nil && !cell.NotSelectable {
						t.selectedRow, t.selectedColumn = row, column
						return true
					}

					// If we reached the final cell, stop.
					if row == finalRow && column == finalColumn {
						return false
					}

					// Move forward.
					column++
					if column > lastColumn {
						column = 0
						row++
						if row >= rowCount {
							row = 0
						}
					}
				}
			}

			// Move the selection backwards, don't go beyond final cell, return
			// true if a selection was found.
			backwards = func(finalRow, finalColumn int) bool {
				row, column := t.selectedRow, t.selectedColumn
				for {
					// Stop if the current selection is fine.
					cell := t.content.GetCell(row, column)