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;
}
}
/// <summary>
/// AddVariable
/// </summary>
/// <param name="name"></param>
/// <param name="type"></param>
/// <param name="reference"></param>
/// <returns>error string.</returns>
public (VarDefine, bool, string) AddVariable(string name,
VarDefine.EType type = VarDefine.EType.Undecided, string reference = null)
{
if (GetVariable(name) != null)
{
return(null, false, "duplicate variable name");
}
VarDefine var = new VarDefine(this, name)
{
Type = type,
Value = reference,
GridColumnValueWidth = 50,
};
bool create = false;
switch (type)
{
case VarDefine.EType.List:
if (string.IsNullOrEmpty(reference))
{
var.Value = var.FullName();
if (_BeanDefines.TryGetValue(var.Name, out var exist))
{
if (false == exist.NamespaceOnly)
{
return(null, false, $"尝试为变量'{var.Name}'创建一个 BeanDefine 失败：已经存在。");
}
}
else
{
exist = new BeanDefine(Document, var.Name, this);
_BeanDefines.Add(var.Name, exist);
}
var.Reference = exist;
exist.AddReferenceFrom(var, ReferenceFrom.Reasons.List);
create = true;
}
else
{
var r = FormMain.Instance.Documents.SearchReference(var.Value);
if (null == r)
{
return(null, false, "list reference bean not found.");
}
var.Reference = r;
r.AddReferenceFrom(var, ReferenceFrom.Reasons.List);
}
break;
case VarDefine.EType.Enum:
_EnumDefines.Add(var.Name, new EnumDefine(this, var.Name));
break;
}
_Variables.Add(var);
var.CreateXmlElementIfNeed(); // 调整变量顺序的时候需要这个创建好。
Document.IsChanged = true;
return(var, create, "");
}
public (VarDefine, bool) AddVariable(VarDefine hint)
{
if (hint.Parent.Locked)
{
MessageBox.Show("bean is Locked");
return(null, false);
}
FormInputVarDefine input = new FormInputVarDefine();
input.StartPosition = FormStartPosition.CenterParent;
// 初始化 input.ComboBoxBeanDefines。
// 如果要全部定义，调用 LoadAllDocument.
List <string> beanDefineFullNames = new List <string>();
Documents.ForEachFile((Documents.File file) =>
{
file.Document?.BeanDefine.CollectFullNameIncludeSubBeanDefine(beanDefineFullNames);
return(true);
});
beanDefineFullNames.Sort();
input.ComboBoxBeanDefines.Items.AddRange(beanDefineFullNames.ToArray());
string varName = "";
VarDefine result = null;
bool createResult = false;
while (true)
{
input.TextBoxVarName.Text = varName;
if (DialogResult.OK != input.ShowDialog(this))
{
break;
}
try
{
varName = input.TextBoxVarName.Text;
if (null != Tools.VerifyName(varName, CheckNameType.ShowMsg))
{
continue;
}
VarDefine.EType varType = VarDefine.ToEType(input.ComboBoxVarType.Text);
(VarDefine var, bool create, string err) =
hint.Parent.AddVariable(varName, varType, input.ComboBoxBeanDefines.Text);
if (null == var)
{
MessageBox.Show(err);
continue;
}
result = var;
createResult = create;
this.UpdateWhenAddVariable(var);
break;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
input.Dispose();
return(result, createResult);
}
