void PopupControl_Selected(GridViewPopupEventArgs e)
{
if (e == null)
{
this.DataGridView.EndEdit();
if (this.ColumnIndex < this.DataGridView.CurrentRow.Cells.Count - 1)
{
var nextCell = this.DataGridView.CurrentRow.Cells[this.ColumnIndex + 1];
nextCell.Selected = true;
this.DataGridView.CurrentCell = nextCell;
}
return;
}
//txtPopup.EditingControlFormattedValue = display;
this.Value = e.Value;
if (e.IsClosed)
{
this.DataGridView.EndEdit();
if (this.OwningColumn.DisplayIndex < this.DataGridView.CurrentRow.Cells.Count - 1)
{
var nextCell = this.DataGridView.CurrentRow
.Cells.Cast <DataGridViewCell>()
.Where(x => x.Displayed && x.OwningColumn.DisplayIndex > this.OwningColumn.DisplayIndex)
.OrderBy(x => x.OwningColumn.DisplayIndex)
.FirstOrDefault();
if (nextCell != null)
{
nextCell.Selected = true;
this.DataGridView.CurrentCell = nextCell;
}
}
}
}
private void SetDisplayValue(GridViewPopupEventArgs e)
{
if (e == null)
{
return;
}
e.Display = this.SelectedText;
e.Value = this.SelectedValue;
}
/// <summary>
/// 根据选中行，读取记录表中的行号和数据，排除多选的情况
/// </summary>
/// <param name="popupEvent"></param>
private GridViewPopupEventArgs SetPopupEvent(int keyIndex)
{
GridViewPopupEventArgs popupEvent = new GridViewPopupEventArgs(this);
switch (dataType)
{
case DataEnum.DataTable:
case DataEnum.DataRows:
{
var item = currentPageRowSource.Skip(keyIndex - 1).FirstOrDefault();
popupEvent.RowIndex = _dataRowSource.IndexOf(item);
popupEvent.RowSource = item;
}
break;
case DataEnum.BaseModel:
{
var item = currentPageModelSource.Skip(keyIndex - 1).FirstOrDefault();
popupEvent.RowIndex = _dataModelSource.IndexOf(item);
popupEvent.RowSource = item;
}
break;
default:
break;
}
if (!MultiSelect) //单选
{
SelectedIndexs.Clear();
SelectedIndexs.Add(popupEvent.RowIndex);
}
else //多选
{
//不存在时，选中状态，否则无响应
if (!SelectedIndexs.Contains(popupEvent.RowIndex))
{
SelectedIndexs.Add(popupEvent.RowIndex);
}
else
{
SelectedIndexs.Remove(popupEvent.RowIndex);
}
}
popupEvent.SelectedIndexs = SelectedIndexs;
return(popupEvent);
}
void PopupControl_Selected(GridViewPopupEventArgs e)
{
if (e == null)
{
return;
}
this.Data = e.Value;
this.Text = e.Display;
isChanged = true;
if (e.IsClosed)
{
FocusHelper.FocusNext(this, false);
}
}
/// <summary>
/// 处理键盘操作等信息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dataGridView1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Right)
{
PageIndex++;
DataBind();
e.Handled = true;
}
else if (e.KeyCode == Keys.Left)
{
PageIndex--;
DataBind();
e.Handled = true;
}
else if (e.KeyCode == Keys.Enter)
{
if (this.MultiSelect && this.SelectedIndexs.Count >= 1)
{
if (this.Selected != null)
{
GridViewPopupEventArgs popupEvent = new GridViewPopupEventArgs(this)
{
SelectedIndexs = this.SelectedIndexs
};
SetDisplayValue(popupEvent);
//不存在时，选中状态，否则无响应
this.Selected(popupEvent);
}
}
else if (this.dataGridView1.CurrentRow != null)
{
int keyIndex = this.dataGridView1.CurrentRow.Index + 1;
if (this.Selected != null)
{
var popupEvent = SetPopupEvent(keyIndex);
if (!MultiSelect) //单选
{
SetDisplayValue(popupEvent);
this.Selected(popupEvent);
EnterString = "";
}
else //多选
{
SetDisplayValue(popupEvent);
//不存在时，选中状态，否则无响应
this.Selected(popupEvent);
}
}
}
this.Close();
}
else if (e.KeyCode == Keys.Escape)
{
this.Close();
if (this.MultiSelect)
{
if (this.Selected != null)
{
this.Selected(null);
}
}
}
else if (e.KeyCode == Keys.Back) //删除键
{
if (EnterString.Length > 0) //当多选时，删除选择项，删空时退出
{
EnterString = EnterString.Substring(0, EnterString.Length - 1);
PageIndex = 1;
this.DataBind();
}
else
{
var popupEvent = new GridViewPopupEventArgs(this);
if (this.SelectedIndexs.Count > 0)
{
this.SelectedIndexs.RemoveAt(this.SelectedIndexs.Count - 1);
this.DataBind();
popupEvent.IsClosed = false;
}
else
{
this.Close();
}
if (this.Selected != null)
{
popupEvent.SelectedIndexs = this.SelectedIndexs;
SetDisplayValue(popupEvent);
this.Selected(popupEvent);
}
}
}
}