protected override void OnEditingControlShowing(DataGridViewEditingControlShowingEventArgs e)
{
base.OnEditingControlShowing(e);
try {
if (e.Control is DataGridViewComboBoxEditingControl)
{
((ComboBox)e.Control).IntegralHeight = false;
((ComboBox)e.Control).MaxDropDownItems = 10;
((ComboBox)e.Control).DropDownStyle = ComboBoxStyle.DropDown;
((ComboBox)e.Control).AutoCompleteSource = AutoCompleteSource.ListItems;
((ComboBox)e.Control).AutoCompleteMode = AutoCompleteMode.Suggest;
}
else if (e.Control is DataGridViewTextBoxEditingControl)
{
DataGridViewColumn c = this.Columns[this.CurrentCell.ColumnIndex];
grid_cell_type ct = c.Tag != null && c.Tag is grid_cell_type ? (grid_cell_type)c.Tag : grid_cell_type.none;
if (ct == grid_cell_type.date)
{
object o = this.CurrentCell.Value;
if (o != null && o is DateTime)
{
((TextBox)e.Control).Text = ((DateTime)o).ToString("dd/MM/yyyy");
if (((TextBox)e.Control).Tag == null)
{
((TextBox)e.Control).KeyDown += date_dgv_KeyDown;
((TextBox)e.Control).Tag = "init";
}
}
}
}
} catch { }
}
protected override void OnCellMouseEnter(DataGridViewCellEventArgs e)
{
base.OnCellMouseEnter(e);
try {
if (e.RowIndex < 0 || e.ColumnIndex < 0)
{
return;
}
DataGridViewColumn c = this.Columns[e.ColumnIndex];
grid_cell_type ct = c.Tag != null && c.Tag is grid_cell_type ? (grid_cell_type)c.Tag : grid_cell_type.none;
if (ct == grid_cell_type.image)
{
this.Cursor = Cursors.Hand;
}
else
{
this.Cursor = Cursors.Default;
}
} catch { }
}
protected override void OnKeyDown(KeyEventArgs e)
{
try {
if (e.Control && (e.KeyCode == Keys.Add || e.KeyCode == Keys.Subtract))
{
DataGridViewColumn c = this.Columns[this.CurrentCell.ColumnIndex];
if (!c.ReadOnly)
{
grid_cell_type ct = c.Tag != null && c.Tag is grid_cell_type ? (grid_cell_type)c.Tag : grid_cell_type.none;
if (ct == grid_cell_type.date)
{
this.BeginEdit(true);
DateTime dt = Convert.ToDateTime(this.CurrentCell.Value);
this.CurrentCell.Value = dt.AddDays(e.KeyCode == Keys.Add ? 1 : -1);
this.EndEdit();
}
}
}
else
{
base.OnKeyDown(e);
}
} catch { }
}
public int add_col_dgv(string field, string title, grid_cell_type cell_type = grid_cell_type.text
, int width = 100, bool wrap = false, string after_col = "", bool fill = false, string format = ""
, int maxlength = 0, bool?read_only = null, bool bold = false, Color?fc = null)
{
DataGridViewColumn add_col = null;
if (cell_type == grid_cell_type.text)
{
add_col = new DataGridViewTextBoxColumn()
{
HeaderText = title
}
}
;
else if (cell_type == grid_cell_type.check)
{
add_col = new DataGridViewCheckBoxColumn()
{
AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells, HeaderText = title
};
add_col.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
}
else if (cell_type == grid_cell_type.link)
{
add_col = new DataGridViewLinkColumn()
{
HeaderText = title, ActiveLinkColor = Color.White, LinkBehavior = LinkBehavior.SystemDefault
, LinkColor = Color.Blue, TrackVisitedState = true, VisitedLinkColor = Color.DodgerBlue
}
}
;
else if (cell_type == grid_cell_type.combo)
{
add_col = new DataGridViewComboBoxColumn()
{
HeaderText = title
}
}
;
// aggiunta colonna
int nc = -1, i = 0;
if (after_col != "")
{
foreach (DataGridViewColumn dgvc in this.Columns)
{
if (dgvc.Name == after_col)
{
nc = i + 1; break;
}
i++;
}
}
int n = -1;
if (nc >= 0)
{
n = nc;
if (add_col != null)
{
this.Columns.Insert(n, add_col);
}
else
{
this.Columns.Insert(n, new DataGridViewColumn()
{
HeaderText = title
});
}
}
else
{
n = add_col != null?this.Columns.Add(add_col) : this.Columns.Add(field, title);
}
// init
this.Columns[n].Tag = cell_type;
this.Columns[n].Name = field;
this.Columns[n].DataPropertyName = field;
if (read_only.HasValue)
{
this.Columns[n].ReadOnly = read_only.Value;
}
if (width >= 0)
{
this.Columns[n].Width = width;
}
this.Columns[n].HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
if (wrap)
{
this.Columns[n].DefaultCellStyle.WrapMode = DataGridViewTriState.True;
}
if (fill)
{
this.Columns[n].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
}
if (maxlength > 0 && this.Columns[n] is DataGridViewTextBoxColumn)
{
((DataGridViewTextBoxColumn)this.Columns[n]).MaxInputLength = maxlength;
}
//if(bold && this.style != null) this.Columns[n].DefaultCellStyle.Font = this.style.font_grid_bold;
if (fc.HasValue)
{
this.Columns[n].DefaultCellStyle.ForeColor = fc.Value;
}
// format
if (string.IsNullOrEmpty(format))
{
if (cell_type == grid_cell_type.money)
{
this.Columns[n].DefaultCellStyle.Format = "C";
}
else if (cell_type == grid_cell_type.date)
{
this.Columns[n].DefaultCellStyle.Format = "ddd dd/MM/yy";
}
else if (cell_type == grid_cell_type.date_time)
{
this.Columns[n].DefaultCellStyle.Format = "dd/MM/yy HH:mm:ss";
}
}
else
{
this.Columns[n].DefaultCellStyle.Format = format;
}
// alignment
if (cell_type == grid_cell_type.integer || cell_type == grid_cell_type.money)
{
this.Columns[n].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
}
else if (cell_type == grid_cell_type.check || cell_type == grid_cell_type.date ||
cell_type == grid_cell_type.date_time)
{
this.Columns[n].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
}
else
{
this.Columns[n].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
}
// value type
this.Columns[n].ValueType = cell_type == grid_cell_type.integer ? typeof(int)
: (cell_type == grid_cell_type.date || cell_type == grid_cell_type.date_time ? typeof(DateTime)
: (cell_type == grid_cell_type.money ? Type.GetType("System.Decimal") : typeof(string)));
return(n);
}
