//-------------------------------------------------------------------------------------------
// Events handlers
//-------------------------------------------------------------------------------------------
void _bs_PositionChanged(object sender, EventArgs e)
{
if (_internalPositionChanged)
{
_internalPositionChanged = false;
return;
}
if (_bs.Position >= 0 && this.Rows.Count > _bs.Position)
{
TreeDataGridViewRow row = this.Rows[_bs.Position] as TreeDataGridViewRow;
for (int i = 0; i < _bs.List.Count; i++)
{
DataRowView drv = _bs.List[i] as DataRowView;
if (row.DataBoundItem != null && row.DataBoundItem.Equals(drv.Row))
{
for (int j = 0; j < _bs.List.Count; j++)
{
this.SetSelectedRowCore(j, false);
}
this.SetSelectedRowCore(i, true);
return;
}
}
}
}
public void ExpandRow(int Index)
{
TreeDataGridViewRow row = this.Rows[Index] as TreeDataGridViewRow;
if (row != null && row.ParentRow != null)
{
ExpandRow(row.ParentRow.Index);
}
}
private void TreeDataGrid_CellMouseClick_1(object sender, DataGridViewCellMouseEventArgs e)
{
if (e.Clicks == 1 && e.RowIndex >= 0)
{
TreeDataGridViewRow row = this.Rows[e.RowIndex] as TreeDataGridViewRow;
for (int i = 0; i < _bs.List.Count; i++)
{
DataRowView drv = _bs.List[i] as DataRowView;
if (row.DataBoundItem.Equals(drv.Row))
{
_internalPositionChanged = true;
_bs.Position = i;
return;
}
}
}
}
protected override void OnMouseDoubleClick(DataGridViewCellMouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
// if (offset.Contains(e.Location))
TreeDataGridViewRow tr = this.OwningRow as TreeDataGridViewRow;
if (tr.Expanded)
{
tr.Collupse();
}
else
{
tr.Expand();
}
}
else
{
base.OnMouseDoubleClick(e);
}
}
private void InsertDataGridRows(List <_TreeNode> l, TreeDataGridViewRow parent)
{
foreach (_TreeNode tn in l)
{
int index = this.Rows.Add(this.RowTemplate.Clone());
TreeDataGridViewRow insertedRow = this.Rows[index] as TreeDataGridViewRow;
insertedRow.DataBoundItem = (tn.Node as DataRowView).Row;
insertedRow.SetValues((tn.Node as DataRowView).Row.ItemArray);
insertedRow.ParentRow = parent;
if (parent != null)
{
insertedRow.Level = parent.Level + 1;
parent.Child.Add(insertedRow);
}
if (insertedRow.Level > 0)
{
insertedRow.Visible = false;
}
InsertDataGridRows(tn.Child, insertedRow);
}
}
