DataGridView自定義列樣式--DataGridViewMaskedTextBoxColumn

超、凢脫俗 2022-08-25 11:49 160阅读 0赞

1.編寫DataGridViewMaskedTextBoxEditingControl類

public  class  DataGridViewMaskedTextBoxEditingControl : MaskedTextBox, IDataGridViewEditingControl  
\{  
 protected  int  rowIndex;  
 protected  DataGridView dataGridView;  
 protected  bool  valueChanged  =  false ;  
  
 public  DataGridViewMaskedTextBoxEditingControl()  
\{  
 base .TabStop  =  false ;  
\}  
 // 重寫基類(MakedTextBox)的OnTextChanged方法   
  protected  override  void  OnTextChanged(EventArgs e)  
\{  
 base .OnTextChanged(e);  
NotifyDataGridViewOfValueChange();  
\}  
 //  當text值發生變化時，通知DataGridView   
  private  void  NotifyDataGridViewOfValueChange()  
\{  
valueChanged  =  true ;  
dataGridView.NotifyCurrentCellDirty( true );  
\}  
 ///  <summary>   
 ///  設置對齊方式  
 ///  </summary>   
 ///  <param name="align"></param>   
 ///  <returns></returns>   
  private  static  HorizontalAlignment translateAlignment(DataGridViewContentAlignment align)  
\{  
 switch  (align)  
\{  
 case  DataGridViewContentAlignment.TopLeft:  
 case  DataGridViewContentAlignment.MiddleLeft:  
 case  DataGridViewContentAlignment.BottomLeft:  
 return  HorizontalAlignment.Left;  
  
 case  DataGridViewContentAlignment.TopCenter:  
 case  DataGridViewContentAlignment.MiddleCenter:  
 case  DataGridViewContentAlignment.BottomCenter:  
 return  HorizontalAlignment.Center;  
  
 case  DataGridViewContentAlignment.TopRight:  
 case  DataGridViewContentAlignment.MiddleRight:  
 case  DataGridViewContentAlignment.BottomRight:  
 return  HorizontalAlignment.Right;  
\}  
  
 return  HorizontalAlignment.Left;  
\}  
  
 \#region  IDataGridViewEditingControl接口的實現   
 ///  <summary>   
 ///  在Cell被編輯的時候光標顯示  
 ///  </summary>   
  public  Cursor EditingPanelCursor  
\{  
 get   
\{  
 return  Cursors.IBeam;  
\}  
\}  
 ///  <summary>   
 ///  獲取或設置所在的DataGridView  
 ///  </summary>   
  public  DataGridView EditingControlDataGridView  
\{  
 get   
\{  
 return  dataGridView;  
\}  
  
 set   
\{  
dataGridView  =  value;  
\}  
\}  
  
 ///  <summary>   
 ///  獲取或設置格式化後的值  
 ///  </summary>   
  public  object  EditingControlFormattedValue  
\{  
 set   
\{  
Text  =  value.ToString();  
NotifyDataGridViewOfValueChange();  
\}  
 get   
\{  
 return  this .Text;  
\}  
  
\}  
  
 public  virtual  bool  RepositionEditingControlOnValueChange  
\{  
 get   
\{  
 return  false ;  
\}  
\}  
 ///  <summary>   
 ///  控件所在行  
 ///  </summary>   
  public  int  EditingControlRowIndex  
\{  
 get   
\{  
 return  this .rowIndex;  
\}  
  
 set   
\{  
 this .rowIndex  =  value;  
\}  
\}  
 ///  <summary>   
 ///  是否值發生了變化  
 ///  </summary>   
  public  bool  EditingControlValueChanged  
\{  
 get   
\{  
 return  valueChanged;  
\}  
  
 set   
\{  
 this .valueChanged  =  value;  
\}  
\}  
 ///  <summary>   
 ///  獲取控件的Text值  
 ///  </summary>   
 ///  <param name="context"> 錯誤上下文 </param>   
 ///  <returns></returns>   
  public  virtual  object  GetEditingControlFormattedValue(DataGridViewDataErrorContexts context)  
\{  
 return  Text;  
\}  
  
 ///  <summary>   
 ///  編輯鍵盤  
 ///  </summary>   
 ///  <param name="keyData"></param>   
 ///  <param name="dataGridViewWantsInputKey"></param>   
 ///  <returns></returns>   
  public  bool  EditingControlWantsInputKey(Keys keyData,  bool  dataGridViewWantsInputKey)  
\{  
 switch  (keyData  &  Keys.KeyCode)  
\{  
 case  Keys.Right:  
 if  ( ! ( this .SelectionLength  ==  0   
 &&  this .SelectionStart  ==  this .ToString().Length))  
\{  
 return  true ;  
\}  
 break ;  
  
 case  Keys.Left:  
 if  ( ! ( this .SelectionLength  ==  0   
 &&  this .SelectionStart  ==  0 ))  
\{  
 return  true ;  
\}  
 break ;  
  
 case  Keys.Home:  
 case  Keys.End:  
 if  ( this .SelectionLength  !=  this .ToString().Length)  
\{  
 return  true ;  
\}  
 break ;  
  
 case  Keys.Prior:  
 case  Keys.Next:  
 if  ( this .valueChanged)  
\{  
 return  true ;  
\}  
 break ;  
  
 case  Keys.Delete:  
 if  ( this .SelectionLength  >  0  ||  this .SelectionStart  <  this .ToString().Length)  
\{  
 return  true ;  
\}  
 break ;  
\}  
 return  ! dataGridViewWantsInputKey;  
\}  
  
 public  void  PrepareEditingControlForEdit( bool  selectAll)  
\{  
 if  (selectAll)  
\{  
SelectAll();  
\}  
 else   
\{  
 this .SelectionStart  =  this .ToString().Length;  
\}  
\}  
 ///  <summary>   
 ///  變更控制項的使用者介面 (UI)，使其與指定的儲存格樣式一致。  
 ///  </summary>   
 ///  <param name="dataGridViewCellStyle"></param>   
  public  void  ApplyCellStyleToEditingControl(DataGridViewCellStyle dataGridViewCellStyle)  
\{  
 this .Font  =  dataGridViewCellStyle.Font;  
 this .ForeColor  =  dataGridViewCellStyle.ForeColor;  
 this .BackColor  =  dataGridViewCellStyle.BackColor;  
 this .TextAlign  =  translateAlignment(dataGridViewCellStyle.Alignment);  
\}  
  
 \#endregion   
\}

2.編寫DataGridViewMaskedTextBoxCell類

public  class  DataGridViewMaskedTextBoxCell : DataGridViewTextBoxCell  
\{  
 private  string  mask;  
 private  char  promptChar = ' \_ ' ;  
 private  MaskFormat textMaskFormat = MaskFormat.IncludeLiterals;  
  
 public  DataGridViewMaskedTextBoxCell() :  base ()  
\{  
  
\}  
 ///  <summary>   
 ///  編輯在用戶編輯單元格時  
 ///  </summary>   
 ///  <param name="rowIndex"> 當前行 </param>   
 ///  <param name="initialFormattedValue"> 值 </param>   
 ///  <param name="dataGridViewCellStyle"> Cell樣式 </param>   
  public  override  void  InitializeEditingControl( int  rowIndex,  object  initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)  
\{  
 base .InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle);  
DataGridViewMaskedTextBoxEditingControl maskedTextBoxEditing  =  DataGridView.EditingControl  as  DataGridViewMaskedTextBoxEditingControl;  
  
 //   
 //  設置MaskedTextBox特性  
 //  
  DataGridViewColumn dgvColumn  =  this .OwningColumn;  
 if  (dgvColumn  is  DataGridViewMaskedTextBoxColumn)  
\{  
DataGridViewMaskedTextBoxColumn maskedTextBoxColumn  =  dgvColumn  as  DataGridViewMaskedTextBoxColumn;  
 //   
 // 設定Mask  
 //  
  if  ( string .IsNullOrEmpty( this .mask))  
\{  
maskedTextBoxEditing.Mask  =  maskedTextBoxColumn.Mask;  
\}  
 else   
\{  
maskedTextBoxEditing.Mask  =  this .mask;  
\}  
  
 //   
 // 設定分割符PromptChar  
 //  
  maskedTextBoxEditing.PromptChar  =  this .PromptChar;  
 //   
 // 設定TextMaskFormat  
 //  
  maskedTextBoxEditing.TextMaskFormat  =  this .TextMaskFormat;  
 //   
 // 設定ValidatingType  
 //  
  if  ( this .ValueType  ==  null )  
\{  
maskedTextBoxEditing.ValidatingType  =  maskedTextBoxColumn.ValueType;  
\}  
 else   
\{  
maskedTextBoxEditing.ValidatingType  =  this .ValueType;  
\}  
 //   
 // 設定Text  
 //  
  maskedTextBoxEditing.Text  =  Convert.ToString( this .Value);  
  
\}  
\}  
 ///  <summary>   
 ///  設置編輯狀態單元格類型  
 ///  </summary>   
  public  override  Type EditType  
\{  
 get   
\{  
 return  typeof (DataGridViewMaskedTextBoxEditingControl);  
\}  
\}  
  
 ///  <summary>   
 ///  正則表達式  
 ///  </summary>   
  public  virtual  string  Mask  
\{  
 get   
\{  
 return  this .mask;  
\}  
 set   
\{  
 this .mask  =  value;  
\}  
\}  
  
 ///  <summary>   
 ///  用戶輸入分割符  
 ///  </summary>   
  public  virtual  char  PromptChar  
\{  
 get   
\{  
 return  this .promptChar;  
\}  
 set   
\{  
 this .promptChar  =  value;  
\}  
\}  
 public  virtual  MaskFormat TextMaskFormat  
\{  
 get   
\{  
 return  this .textMaskFormat;  
\}  
 set   
\{  
 this .textMaskFormat  =  value;  
\}  
\}  
  
 protected  static  bool  BoolFromTri(DataGridViewTriState tri)  
\{  
 return  (tri  ==  DataGridViewTriState.True)  ?  true  :  false ;  
\}  
\}

3.編寫DataGridViewMaskedTextBoxColumn

\[ToolboxBitmap( typeof (DataGridViewTextBoxColumn),  " DataGridViewTextBoxColumn.bmp " )\]  
 public  class  DataGridViewMaskedTextBoxColumn : DataGridViewColumn  
\{  
 private  string  mask;  
 private  char  promptChar;  
 private  MaskFormat textMaskFormat;  
  
 ///  <summary>   
 ///  實粒化一個Masked對像  
 ///  </summary>   
  public  DataGridViewMaskedTextBoxColumn()  
:  base ( new  DataGridViewMaskedTextBoxCell())  
\{  
\}  
 private  static  DataGridViewTriState TriBool( bool  value)  
\{  
 return  value  ?  DataGridViewTriState.True : DataGridViewTriState.False;  
\}  
 ///  <summary>   
 ///  Cell模版  
 ///  </summary>   
  public  override  DataGridViewCell CellTemplate  
\{  
 get   
\{  
 return  base .CellTemplate;  
\}  
  
 set   
\{  
 if  (value  !=  null  &&  ! value.GetType().IsAssignableFrom( typeof (DataGridViewMaskedTextBoxCell)))  
\{  
 throw  new  InvalidCastException( " 類型不屬於DataGridViewMaskedTextBoxCell " );  
\}  
  
 base .CellTemplate  =  value;  
\}  
\}  
  
 public  override  object  Clone()  
\{  
DataGridViewMaskedTextBoxColumn col  =  (DataGridViewMaskedTextBoxColumn) base .Clone();  
col.Mask  =  this .mask;  
col.PromptChar  =  this .promptChar;  
col.TextMaskFormat  =  this .textMaskFormat;  
 return  col;  
\}  
  
 ///  <summary>   
 ///  設置正則  
 ///  </summary>   
  public  string  Mask  
\{  
 get   
\{  
 return  this .mask;  
\}  
 set   
\{  
 if  ( this .mask  !=  value)  
\{  
 this .mask  =  value;  
DataGridViewMaskedTextBoxCell maskedTextBoxCell  =  (DataGridViewMaskedTextBoxCell) this .CellTemplate;  
maskedTextBoxCell.Mask  =  value;  
  
 //   
 //  把其他行的Cell的Mask屬性更新  
 //  
  if  ( this .DataGridView  !=  null  &&  this .DataGridView.Rows  !=  null )  
\{  
 int  rowCount  =  this .DataGridView.Rows.Count;  
 for  ( int  x  =  0 ; x  <  rowCount; x \++ )  
\{  
DataGridViewCell dataGridViewCell  =  this .DataGridView.Rows.SharedRow(x).Cells\[x\];  
 if  (dataGridViewCell  is  DataGridViewMaskedTextBoxCell)  
\{  
maskedTextBoxCell  =  (DataGridViewMaskedTextBoxCell)dataGridViewCell;  
maskedTextBoxCell.Mask  =  value;  
\}  
\}  
\}  
\}  
\}  
\}  
 public  virtual  char  PromptChar  
\{  
 get   
\{  
 return  this .promptChar;  
\}  
 set   
\{  
 if  ( this .promptChar  !=  value)  
\{  
 this .promptChar  =  value;  
  
DataGridViewMaskedTextBoxCell maskedTextBoxCell  =  (DataGridViewMaskedTextBoxCell) this .CellTemplate;  
maskedTextBoxCell.PromptChar  =  value;  
 if  ( this .DataGridView  !=  null  &&  this .DataGridView.Rows  !=  null )  
\{  
 int  rowCount  =  this .DataGridView.Rows.Count;  
 for  ( int  x  =  0 ; x  <  rowCount; x \++ )  
\{  
DataGridViewCell dataGridViewCell  =  this .DataGridView.Rows.SharedRow(x).Cells\[x\];  
 if  (dataGridViewCell  is  DataGridViewMaskedTextBoxCell)  
\{  
maskedTextBoxCell  =  (DataGridViewMaskedTextBoxCell)dataGridViewCell;  
maskedTextBoxCell.PromptChar  =  value;  
\}  
\}  
\}  
\}  
\}  
\}  
 public  virtual  MaskFormat TextMaskFormat  
\{  
 get   
\{  
 return  this .textMaskFormat;  
\}  
 set   
\{  
 if  ( this .textMaskFormat  !=  value)  
\{  
 this .textMaskFormat  =  value;  
  
DataGridViewMaskedTextBoxCell maskedTextBoxCell  =  (DataGridViewMaskedTextBoxCell) this .CellTemplate;  
maskedTextBoxCell.TextMaskFormat  =  value;  
 if  ( this .DataGridView  !=  null  &&  this .DataGridView.Rows  !=  null )  
\{  
  
 int  rowCount  =  this .DataGridView.Rows.Count;  
 for  ( int  x  =  0 ; x  <  rowCount; x \++ )  
\{  
DataGridViewCell dataGridViewCell  =  this .DataGridView.Rows.SharedRow(x).Cells\[x\];  
 if  (dataGridViewCell  is  DataGridViewMaskedTextBoxCell)  
\{  
maskedTextBoxCell  =  (DataGridViewMaskedTextBoxCell)dataGridViewCell;  
maskedTextBoxCell.TextMaskFormat  =  value;  
\}  
\}  
\}  
\}  
\}  
\}  
  
\}