private bool IsAnyMenuSelectedByKey(
ref DataGridView dgv,
ref Menu menuFromSelected,
ref string textselected)
{
Menu menu = menus[iMenuKey];
bool isStillSelected = false;
if (menu != null &&
iRowKey > -1)
{
dgv = menu.GetDataGridView();
if (dgv.Rows.Count > iRowKey)
{
RowData rowData = (RowData)dgv.
Rows[iRowKey].Cells[2].Value;
if (rowData.IsSelected)
{
isStillSelected = true;
menuFromSelected = rowData.SubMenu;
textselected = dgv.Rows[iRowKey].
Cells[1].Value.ToString();
}
}
}
return(isStillSelected);
}
internal void SearchTextChanged(object sender, EventArgs e)
{
Menu menu = (Menu)sender;
DataGridView dgv = menu.GetDataGridView();
if (dgv.Rows.Count > 0)
{
Select(dgv, 0, true);
}
}
private void ClearIsSelectedByKey(int menuIndex, int rowIndex)
{
Menu menu = menus[menuIndex];
if (menu != null && rowIndex > -1)
{
DataGridView dgv = menu.GetDataGridView();
if (dgv.Rows.Count > rowIndex)
{
DataGridViewRow row = dgv.Rows[rowIndex];
RowData rowData = (RowData)row.Cells[2].Value;
rowData.IsSelected = false;
row.Selected = false;
}
}
}
private void SelectByKey(Keys keys, string keyInput = "", bool keepSelection = false)
{
int iRowBefore = iRowKey;
int iMenuBefore = iMenuKey;
Menu menu = menus[iMenuKey];
DataGridView dgv = null;
DataGridView dgvBefore = null;
Menu menuFromSelected = null;
string textselected = string.Empty;
bool isStillSelected = IsAnyMenuSelectedByKey(ref dgv, ref menuFromSelected, ref textselected);
if (isStillSelected)
{
if (keepSelection)
{
// If current selection is still valid for this search then skip selecting different item
if (textselected.StartsWith(keyInput, true, CultureInfo.InvariantCulture))
{
return;
}
}
dgvBefore = dgv;
}
else
{
ResetSelectedByKey();
menu = menus[iMenuKey];
dgv = menu.GetDataGridView();
}
bool toClear = false;
switch (keys)
{
case Keys.Enter:
if (iRowKey > -1 &&
dgv.Rows.Count > iRowKey)
{
RowData trigger = (RowData)dgv.Rows[iRowKey].Cells[2].Value;
if (trigger.IsMenuOpen || !trigger.ContainsMenu)
{
trigger.MouseDown(
dgv,
null,
out bool toCloseByMouseDown);
trigger.DoubleClick(
new MouseEventArgs(MouseButtons.Left, 0, 0, 0, 0),
out bool toCloseByDoubleClick);
if (toCloseByMouseDown || toCloseByDoubleClick)
{
ClosePressed?.Invoke();
}
}
else
{
RowDeselected(iRowBefore, dgvBefore);
SelectRow(dgv, iRowKey);
EnterPressed.Invoke(dgv, iRowKey);
}
}
break;
case Keys.Up:
if (SelectMatchedReverse(dgv, iRowKey) ||
SelectMatchedReverse(dgv, dgv.Rows.Count - 1))
{
RowDeselected(iRowBefore, dgvBefore);
SelectRow(dgv, iRowKey);
toClear = true;
}
break;
case Keys.Down:
if (SelectMatched(dgv, iRowKey) ||
SelectMatched(dgv, 0))
{
RowDeselected(iRowBefore, dgvBefore);
SelectRow(dgv, iRowKey);
toClear = true;
}
break;
case Keys.Left:
int iMenuKeyNext = iMenuKey + 1;
if (isStillSelected)
{
if (menuFromSelected != null &&
menuFromSelected == menus[iMenuKeyNext])
{
dgv = menuFromSelected.GetDataGridView();
if (dgv.Rows.Count > 0)
{
iMenuKey += 1;
iRowKey = -1;
if (SelectMatched(dgv, iRowKey) ||
SelectMatched(dgv, 0))
{
RowDeselected(iRowBefore, dgvBefore);
SelectRow(dgv, iRowKey);
toClear = true;
}
}
}
}
else
{
iRowKey = -1;
iMenuKey = menus.Where(m => m != null).Count() - 1;
if (menus[iMenuKey] != null)
{
dgv = menus[iMenuKey].GetDataGridView();
if (SelectMatched(dgv, iRowKey) ||
SelectMatched(dgv, 0))
{
RowDeselected(iRowBefore, dgvBefore);
SelectRow(dgv, iRowKey);
toClear = true;
}
}
}
break;
case Keys.Right:
if (iMenuKey > 0)
{
if (menus[iMenuKey - 1] != null)
{
iMenuKey -= 1;
iRowKey = -1;
menu = menus[iMenuKey];
dgv = menu.GetDataGridView();
if (SelectMatched(dgv, dgv.SelectedRows[0].Index) ||
SelectMatched(dgv, 0))
{
RowDeselected(iRowBefore, dgvBefore);
SelectRow(dgv, iRowKey);
toClear = true;
}
}
}
else
{
RowDeselected(iRowBefore, dgvBefore);
iMenuKey = 0;
iRowKey = -1;
toClear = true;
Cleared?.Invoke();
}
break;
case Keys.Escape:
RowDeselected(iRowBefore, dgvBefore);
iMenuKey = 0;
iRowKey = -1;
toClear = true;
ClosePressed?.Invoke();
break;
default:
if (!string.IsNullOrEmpty(keyInput))
{
if (SelectMatched(dgv, iRowKey, keyInput) ||
SelectMatched(dgv, 0, keyInput))
{
RowDeselected(iRowBefore, null);
SelectRow(dgv, iRowKey);
toClear = true;
}
else if (isStillSelected)
{
iRowKey = iRowBefore - 1;
if (SelectMatched(dgv, iRowKey, keyInput) ||
SelectMatched(dgv, 0, keyInput))
{
RowDeselected(iRowBefore, null);
SelectRow(dgv, iRowKey);
}
else
{
iRowKey = iRowBefore;
}
}
}
break;
}
if (isStillSelected && toClear)
{
ClearIsSelectedByKey(iMenuBefore, iRowBefore);
}
}
