/// <summary>
/// Handle a change row command
/// </summary>
/// <param name="keyData"></param>
/// <param name="behaviour"></param>
protected virtual void HandleRowChange(Keys keyData, CellEditCharacterBehaviour behaviour)
{
// If we couldn't finish editing the current cell, don't try to move it
if (!this.ListView.PossibleFinishCellEditing())
{
return;
}
OLVListItem olvi = this.ItemBeingEdited;
int subItemIndex = this.SubItemIndexBeingEdited;
bool isGoingUp = behaviour == CellEditCharacterBehaviour.ChangeRowUp;
// Try to find a row above (or below) the currently edited cell
// If we find one, start editing it and we're done.
OLVListItem adjacentOlvi = this.GetAdjacentItemOrNull(olvi, isGoingUp);
if (adjacentOlvi != null)
{
this.StartCellEditIfDifferent(adjacentOlvi, subItemIndex);
return;
}
// There is no adjacent row in the direction we want, so we must be on an edge.
CellEditAtEdgeBehaviour atEdgeBehaviour = CellEditAtEdgeBehaviour.Wrap;
this.CellEditKeyAtEdgeBehaviourMap.TryGetValue(keyData, out atEdgeBehaviour);
switch (atEdgeBehaviour)
{
case CellEditAtEdgeBehaviour.Ignore:
break;
case CellEditAtEdgeBehaviour.EndEdit:
this.ListView.PossibleFinishCellEditing();
break;
case CellEditAtEdgeBehaviour.Wrap:
adjacentOlvi = this.GetAdjacentItemOrNull(null, isGoingUp);
this.StartCellEditIfDifferent(adjacentOlvi, subItemIndex);
break;
case CellEditAtEdgeBehaviour.ChangeColumn:
// Figure out the next editable column
List <OLVColumn> editableColumnsInDisplayOrder = this.EditableColumnsInDisplayOrder;
int displayIndex = Math.Max(0, editableColumnsInDisplayOrder.IndexOf(this.ListView.GetColumn(subItemIndex)));
if (isGoingUp)
{
displayIndex = (editableColumnsInDisplayOrder.Count + displayIndex - 1) % editableColumnsInDisplayOrder.Count;
}
else
{
displayIndex = (displayIndex + 1) % editableColumnsInDisplayOrder.Count;
}
subItemIndex = editableColumnsInDisplayOrder[displayIndex].Index;
// Wrap to the next row and start the cell edit
adjacentOlvi = this.GetAdjacentItemOrNull(null, isGoingUp);
this.StartCellEditIfDifferent(adjacentOlvi, subItemIndex);
break;
}
}
/// <summary>
/// Handle a change column command
/// </summary>
/// <param name="keyData"></param>
/// <param name="behaviour"></param>
protected virtual void HandleColumnChange(Keys keyData, CellEditCharacterBehaviour behaviour) {
// If we couldn't finish editing the current cell, don't try to move it
if (!this.ListView.PossibleFinishCellEditing())
return;
// Changing columns only works in details mode
if (this.ListView.View != View.Details)
return;
List<OLVColumn> editableColumns = this.EditableColumnsInDisplayOrder;
OLVListItem olvi = this.ItemBeingEdited;
int displayIndex = Math.Max(0, editableColumns.IndexOf(this.ListView.GetColumn(this.SubItemIndexBeingEdited)));
bool isGoingLeft = behaviour == CellEditCharacterBehaviour.ChangeColumnLeft;
// Are we trying to continue past one of the edges?
if ((isGoingLeft && displayIndex == 0) ||
(!isGoingLeft && displayIndex == editableColumns.Count - 1)) {
// Yes, so figure out our at edge behaviour
CellEditAtEdgeBehaviour atEdgeBehaviour = CellEditAtEdgeBehaviour.Wrap;
this.CellEditKeyAtEdgeBehaviourMap.TryGetValue(keyData, out atEdgeBehaviour);
switch (atEdgeBehaviour) {
case CellEditAtEdgeBehaviour.Ignore:
return;
case CellEditAtEdgeBehaviour.EndEdit:
this.HandleEndEdit();
return;
case CellEditAtEdgeBehaviour.ChangeRow:
case CellEditAtEdgeBehaviour.Wrap:
if (atEdgeBehaviour == CellEditAtEdgeBehaviour.ChangeRow)
olvi = GetAdjacentItem(olvi, isGoingLeft && displayIndex == 0);
if (isGoingLeft)
displayIndex = editableColumns.Count - 1;
else
displayIndex = 0;
break;
}
} else {
if (isGoingLeft)
displayIndex -= 1;
else
displayIndex += 1;
}
int subItemIndex = editableColumns[displayIndex].Index;
this.StartCellEditIfDifferent(olvi, subItemIndex);
}
/// <summary>
/// Sets the behaviour of a given key
/// </summary>
/// <param name="key"></param>
/// <param name="normalBehaviour"></param>
/// <param name="atEdgeBehaviour"></param>
public virtual void SetKeyBehaviour(Keys key, CellEditCharacterBehaviour normalBehaviour, CellEditAtEdgeBehaviour atEdgeBehaviour)
{
this.CellEditKeyMap[key] = normalBehaviour;
this.CellEditKeyAtEdgeBehaviourMap[key] = atEdgeBehaviour;
}
/// <summary>
/// Sets the behaviour of a given key
/// </summary>
/// <param name="key"></param>
/// <param name="normalBehaviour"></param>
/// <param name="atEdgeBehaviour"></param>
public virtual void SetKeyBehaviour(Keys key, CellEditCharacterBehaviour normalBehaviour, CellEditAtEdgeBehaviour atEdgeBehaviour) {
this.CellEditKeyMap[key] = normalBehaviour;
this.CellEditKeyAtEdgeBehaviourMap[key] = atEdgeBehaviour;
}
