public void OnEndPopup(I3CellEditEventArgs e)
{
if (this.EndPopup != null)
{
this.EndPopup(this, e);
}
}
/// <summary>
/// 引发取消编辑事件
/// Raises the CancelEdit event
/// </summary>
/// <param name="e">A CellEditEventArgs that contains the event data</param>
protected virtual void OnCancelEdit(I3CellEditEventArgs e)
{
if (this.CancelEdit != null)
{
this.CancelEdit(this, e);
}
}
public void OnBeforePopup(I3CellEditEventArgs e)
{
if (this.BeforePopup != null)
{
this.BeforePopup(this, e);
}
}
public void OnExtendEdit(I3CellEditEventArgs e)
{
if (this.ExtendEdit != null)
{
this.ExtendEdit(this, e);
}
}
/// <summary>
/// 引发开始编辑事件
/// Raises the BeginEdit event
/// </summary>
/// <param name="e">A CellEditEventArgs that contains the event data</param>
protected virtual void OnBeginEdit(I3CellEditEventArgs e)
{
if (this.BeginEdit != null)
{
this.BeginEdit(this, e);
}
}
void PopupCellEditor_BeginEdit(object sender, I3CellEditEventArgs e)
{
I3Column column = e.Table.ColumnModel.Columns[e.Column];
if (column.GetType() == typeof(I3PopupColumn))
{
I3PopupColumn popupColumn = (I3PopupColumn)column;
popupColumn.OnBeforePopup(e);
}
}
void ExtendCellEditor_BeginEdit(object sender, I3CellEditEventArgs e)
{
I3Column column = e.Table.ColumnModel.Columns[e.Column];
if (column.GetType() == typeof(I3ExtendColumn))
{
I3ExtendColumn extendColumn = (I3ExtendColumn)column;
extendColumn.OnExtendEdit(e);
}
e.Cancel = true;
}
/// <summary>
/// 虚拟方法，退出编辑，在ICellEditor中定义
/// Stops editing the Cell and ignores any changes
/// </summary>
public virtual void CancelEditing()
{
Application.RemoveMessageFilter(this.keyMessageFilter);
Application.RemoveMessageFilter(this.mouseMessageFilter);
//
I3CellEditEventArgs e = new I3CellEditEventArgs(this.cell, this, this.table, this.cellPos.Row, this.cellPos.Column, this.cellRect);
this.table.OnEditingCancelled(e);
this.OnCancelEdit(e);
this.RemoveEditControl();
}
/// <summary>
/// 虚拟方法，结束编辑，在ICellEditor中定义
/// Stops editing the Cell and commits any changes
/// </summary>
public virtual void StopEditing()
{
Application.RemoveMessageFilter(this.keyMessageFilter);
Application.RemoveMessageFilter(this.mouseMessageFilter);
//
I3CellEditEventArgs e = new I3CellEditEventArgs(this.cell, this, this.table, this.cellPos.Row, this.cellPos.Column, this.cellRect);
this.OnEndEdit(e);
if (!e.Cancel && !e.Handled)
{
this.SetCellValue();
}
this.table.OnEditingStopped(e);
this.RemoveEditControl();
}
/// <summary>
/// 虚拟方法，准备编辑，在ICellEditor中定义
/// Prepares the CellEditor to edit the specified Cell
/// </summary>
/// <param name="cell">The Cell to be edited</param>
/// <param name="table">The Table that contains the Cell</param>
/// <param name="cellPos">A CellPos representing the position of the Cell</param>
/// <param name="cellRect">The Rectangle that represents the Cells location and size</param>
/// <param name="userSetEditorValues">Specifies whether the ICellEditors
/// starting value has already been set by the user</param>
/// <returns>true if the ICellEditor can continue editing the Cell, false otherwise</returns>
public virtual bool PrepareForEditing(I3Cell cell, I3Table table, I3CellPos cellPos, Rectangle cellRect, bool userSetEditorValues)
{
//初始化值
this.cell = cell;
this.table = table;
this.cellPos = cellPos;
this.cellRect = cellRect;
//检查用户是否已经自己设置了编辑控件的值，如果没有则调用 SetEditValue() 方法进行设置
// check if the user has already set the editors value for us
if (!userSetEditorValues)
{
this.SetEditValue();
}
//设置编辑控件的位置和大小
this.SetEditLocation(cellRect);
//引发开始编辑事件
// raise the BeginEdit event
I3CellEditEventArgs e = new I3CellEditEventArgs(cell, this, table, cellPos.Row, cellPos.Column, cellRect);
e.Handled = userSetEditorValues;
this.OnBeginEdit(e);
//如果编辑被退出，移动编辑控件并返回false
// if the edit has been canceled, remove the editor and return false
if (e.Cancel)
{
this.RemoveEditControl();
return(false);
}
return(true);
}
