internal void OnVdfSignalChanged(VdfSignal signal)
{
var subFunction = SelectedEntity <SubFunction>();
if (subFunction != null && subFunction.VdfMessage != null)
{
bool ok = subFunction.VdfMessage.SignalTable.ContainsValue(signal);
if (ok)
{
mainForm.UpdateSubFunction(subFunction);
}
}
}
// 更新数据
private void dataGridView_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
if (SubFunction == null)
{
return;
}
int row = e.RowIndex;
int column = e.ColumnIndex;
var cell = dataGridView[column, row];
if (cell.ReadOnly)
{
return;
}
// 不需要解码
if (!needSendParsing(SubFunction))
{
// 只有用户编辑的单元格才会同步到子功能
var cellValue = cell.Value;
string value = "00";
if (cellValue != null)
{
value = cellValue.ToString();
}
else
{
dataGridView[column, row].Value = value;
}
SubFunction.Data[row - 1] = Utils.HexToByte(value);
//更新第一行
UpdateFirstRow();
}
else //需要进行解码
{
// 获取解码值
VdfSignal signal = cell.Tag as VdfSignal;
//Debug.Assert(signal != null);
// 更新值
string cellValue = string.Empty;
if (cell.Value != null)
{
cellValue = cell.Value.ToString();
}
VdfDecoder.Decode(SubFunction.Data, signal, cellValue);
UpdateFirstRow();
}
}
// 进行校验
private void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
{
var cell = dataGridView[e.ColumnIndex, e.RowIndex];
if (cell.ReadOnly)
{
return;
}
if (!needSendParsing(SubFunction))
{
//保证输入的数值，是16进制值
try
{
Convert.ToInt32(e.FormattedValue.ToString(), 16);
}
catch (Exception)
{
MessageBox.Show("输入的字符必须是Hex字符", "校验出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
}
}
else
{
VdfSignal signal = cell.Tag as VdfSignal;
//signal居然可能为空
// 这儿只是进行验证，不更新数据
try
{
var copy = new List <byte>();
copy.AddRange(SubFunction.Data);
VdfDecoder.Decode(copy, signal, e.FormattedValue.ToString());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "校验出错",
MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
}
}
}
private DataGridViewCell NewDataCell(VdfSignal signal, SubFunction subFunction, int row)
{
var desc = signal.VdfValueDesc;
if (desc is VdfBcdValueDesc || desc is VdfAsciiValueDesc)
{
DataGridViewTextBoxCell cell = new DataGridViewTextBoxCell();
cell.Value = VdfEncoder.Encode(subFunction.Data, signal);
cell.Tag = signal;
return(cell);
}
else if (desc is VdfPhyValueDesc)
{
DataGridViewTextBoxCell cell = new DataGridViewTextBoxCell();
cell.Value = VdfEncoder.Encode(subFunction.Data, signal);
//设置单位
dataGridView.Rows[row].Cells["ColumnUnit"].Value
= (desc as VdfPhyValueDesc).Unit;
cell.Tag = signal;
return(cell);
}
else if (desc is VdfXncodeValueDesc)
{
DataGridViewComboBoxCell cell = new DataGridViewComboBoxCell();
VdfXncodeValueDesc xncodeDesc = (VdfXncodeValueDesc)desc;
foreach (var entry in xncodeDesc.EntryTable)
{
cell.Items.Add(entry.Value);
}
cell.Value = VdfEncoder.Encode(subFunction.Data, signal); //这儿需要进行解码
cell.Tag = signal;
return(cell);
}
else
{
throw new ArgumentException("Unsupported VdfValueDesc Type: " + signal.GetType().Name);
}
}
