Added a reference to TableCell. Fixes feature request #229.

table.go

@@ -11,6 +11,9 @@ import (
 // directly but all colors (background and text) will be set to their default
 // which is black.
 type TableCell struct {
+	// The reference object.
+	Reference interface{}
+
 	// The text to be displayed in the table cell.
 	Text string
 
@@ -132,6 +135,19 @@ func (c *TableCell) SetSelectable(selectable bool) *TableCell {
 	return c
 }
 
+// SetReference allows you to store a reference of any type in this cell. This
+// will allow you to establish a mapping between the cell and your
+// actual data.
+func (c *TableCell) SetReference(reference interface{}) *TableCell {
+	c.Reference = reference
+	return c
+}
+
+// GetReference returns this cell's reference object.
+func (c *TableCell) GetReference() interface{} {
+	return c.Reference
+}
+
 // GetLastPosition returns the position of the table cell the last time it was
 // drawn on screen. If the cell is not on screen, the return values are
 // undefined.