private void define_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
{
if (e.ColumnIndex < 0)
{
return;
}
if (e.RowIndex < 0)
{
return;
}
if (false == define.IsCurrentCellInEditMode)
{
return;
}
DataGridViewCellCollection cells = define.Rows[e.RowIndex].Cells;
if (cells["BeanLocked"].Tag != null)
{
// assert(cells["VarName"] == cells[e.ColumnIndex]);
var newValue = e.FormattedValue as string;
if (null != Tools.VerifyName(newValue, CheckNameType.ShowMsg))
{
e.Cancel = true;
return; // VerifyName 里面已经显示消息了。
}
return;
}
DataGridViewCell cellVarName = cells["VarName"];
if (null == cellVarName.Tag)
{
e.Cancel = true;
MessageBox.Show("只有VarName.Tag设置的行才允许编辑，其他的应该都设置了 ReadOnly. 怎么到这里的？");
return;
}
if (cellVarName.Tag is EnumDefine.ValueDefine valueDefine)
{
string colName = define.Columns[e.ColumnIndex].Name;
switch (colName)
{
case "VarName":
var newValue = e.FormattedValue as string;
if (null != Tools.VerifyName(newValue, CheckNameType.ShowMsg))
{
e.Cancel = true;
return;
}
if (false == valueDefine.Name.Equals(newValue) &&
null != valueDefine.Parent.GetValueDefine(newValue))
{
e.Cancel = true;
MessageBox.Show("enum.value 重名了。");
return;
}
break;
case "VarValue":
if (false == int.TryParse(e.FormattedValue as string, out var _))
{
e.Cancel = true;
MessageBox.Show("enum.value只能是整数。");
return;
}
break;
}
return;
}
// modify Var
VarDefine var = cellVarName.Tag as VarDefine;
if (null == var.Name) // var.Name is null when row is ',' for addvar
{
e.Cancel = true; // 肯定时readonly吧。怎么到这里的。
return;
}
try
{
string colName = define.Columns[e.ColumnIndex].Name;
switch (colName)
{
case "VarName":
string newVarName = e.FormattedValue as string;
if (var.Name.Equals(newVarName))
{
return;
}
if (null != Tools.VerifyName(newVarName, CheckNameType.ShowMsg))
{
e.Cancel = true;
return; // VerifyName 里面已经显示消息了。
}
if (var.Parent.GetVariable(newVarName) != null)
{
e.Cancel = true;
MessageBox.Show("变量名字重复了。");
return;
}
break;
case "VarValue":
string newValue = e.FormattedValue as string;
if (false == string.IsNullOrEmpty(newValue))
{
var r = FormMain.Instance.Documents.SearchReference(newValue);
e.Cancel = r == null;
if (e.Cancel)
{
MessageBox.Show("引用的Bean名字没有找到。输入空将创建一个。");
}
}
break;
case "VarForeign":
string errForeign = var.OpenForeign(e.FormattedValue as string, out var _);
if (null != errForeign)
{
e.Cancel = true;
MessageBox.Show(errForeign);
}
break;
case "VarType":
VarDefine.EType newType = (VarDefine.EType)System.Enum.Parse(
typeof(VarDefine.EType), e.FormattedValue as string);
string errType = var.CanChangeTo(newType);
if (null != errType)
{
e.Cancel = true;
MessageBox.Show(errType);
}
break;
case "VarDefault":
if (false == var.CheckType(var.Type, e.FormattedValue as string))
{
e.Cancel = true;
MessageBox.Show("这个默认值和当前类型不匹配。");
}
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
e.Cancel = true;
}
}
