public DataTableRow(string tagName, int index, List <DbColumnDefinition> fieldInfos, MetaDataTagItem.Data dataItem)
{
_fieldInfos = fieldInfos;
DataItem = dataItem;
TagName = tagName;
Index = index;
Rebuild();
}
public void Update(MetaDataTagItem.Data data, TableDefinitionModel tableDef)
{
if (data == null)
{
SelectedItemSize = 0;
ByteStream = null;
SelectedItemBytesLeft = 0;
HasUniformByteSize = false;
BackgroundBlocks.Clear();
for (int i = 0; i < Fields.Count; i++)
{
UpdateViewModel(Fields[i], new byte[0], 0);
}
return;
}
HasUniformByteSize = _activeMetaDataContent.SelectedTagType.DataItems.Select(x => x.Size).Distinct().Count() == 1;
SelectedItemSize = data.Size;
ByteStream = new MemoryStream(data.Bytes, data.Start, data.Size);
BackgroundBlocks.Clear();
int counter = 0;
var endIndex = tableDef.Definition.ColumnDefinitions.Count();
int index = data.Start;
for (int i = 0; i < endIndex; i++)
{
if (i < endIndex)
{
var byteParserType = tableDef.Definition.ColumnDefinitions[i].Type;
var parser = ByteParserFactory.Create(byteParserType);
parser.TryDecode(data.Bytes, index, out _, out var bytesRead, out _);
index += bytesRead;
var block = new CustomBackgroundBlock()
{
Description = tableDef.Definition.ColumnDefinitions[i].Name,
Color = counter % 2 == 0 ? new SolidColorBrush(Colors.Red) : new SolidColorBrush(Colors.Yellow),
Length = bytesRead,
StartOffset = index - bytesRead - data.Start,
};
BackgroundBlocks.Add(block);
counter++;
}
}
SelectedItemBytesLeft = SelectedItemSize - (index - data.Start);
for (int i = 0; i < Fields.Count; i++)
{
UpdateViewModel(Fields[i], data.Bytes, index);
}
}
private void ActiveMetaDataContent_SelectedTagItemChanged(MetaDataTagItem.Data newValue)
{
if (newValue == null)
{
TagVersion = 0;
TagName = "";
}
else
{
TagVersion = newValue.Version;
TagName = _activeMetaDataContent.SelectedTagType.Name;
}
}
private void OnSelectedTagItemChanged(MetaDataTagItem.Data newValue)
{
Update(newValue, _tableDefinition);
}
