public void InjectValue(DAE.Runtime.Data.IRow row, bool overwrite)
{
if (overwrite)
{
if (row.HasValue(ColumnName))
{
SetHasValue(true);
Text = ((DAE.Runtime.Data.Scalar)row.GetValue(ColumnName)).AsString;
}
else
{
SetHasValue(false);
Text = String.Empty;
}
}
else
{
if (row.HasValue(ColumnName) && (Text != String.Empty))
{
// Show partial match
// TODO: More intelligent mechanism for displaying partial matches
string newValue = ((DAE.Runtime.Data.Scalar)row.GetValue(ColumnName)).AsString;
if (newValue.ToLower().StartsWith(Text.ToLower()))
{
int previousTextLength = Text.Length;
Text = newValue;
Select(previousTextLength, newValue.Length - previousTextLength);
}
}
}
}
/// <summary> True if this node is the row(has the key). </summary>
public bool IsRow(DAE.Runtime.Data.IRow key)
{
if (_key.DataType.Equals(key.DataType))
{
string compareValue;
string name;
for (int index = 0; index < _key.DataType.Columns.Count; index++)
{
name = _key.DataType.Columns[index].Name;
if (key.HasValue(name))
{
compareValue = ((DAE.Runtime.Data.Scalar)key.GetValue(name)).AsString;
}
else
{
compareValue = String.Empty;
}
if (((DAE.Runtime.Data.Scalar)_key.GetValue(index)).AsString != compareValue)
{
return(false);
}
}
return(true);
}
return(false);
}
private bool KeysEqual(DAE.Runtime.Data.IRow key1, DAE.Runtime.Data.IRow key2)
{
if (key2.DataType.Equals(key1.DataType))
{
string compareValue;
string name2;
for (int index = 0; index < key2.DataType.Columns.Count; index++)
{
name2 = key2.DataType.Columns[index].Name;
if (key1.HasValue(name2))
{
compareValue = ((DAE.Runtime.Data.Scalar)key1.GetValue(name2)).AsString;
}
else
{
compareValue = String.Empty;
}
if (((DAE.Runtime.Data.Scalar)key2.GetValue(index)).AsString != compareValue)
{
return(false);
}
}
return(true);
}
else
{
return(false);
}
}
public void BuildTree()
{
ClearNodes();
if (IsFieldActive() && (Source.DataView.State != DAE.Client.DataSetState.Insert))
{
// Open a dynamic navigable browse cursor on the root expression
PrepareRootPlan();
IServerCursor cursor = _rootPlan.Open(_rootParams);
try
{
DAE.Runtime.Data.IRow key;
int columnIndex;
string text;
while (cursor.Next())
{
key = new DAE.Runtime.Data.Row(_process.ValueManager, new DAE.Schema.RowType(Source.DataView.Order.Columns));
try
{
using (DAE.Runtime.Data.IRow row = cursor.Select())
{
row.CopyTo(key);
columnIndex = row.DataType.Columns.IndexOf(ColumnName);
if (row.HasValue(columnIndex))
{
text = ((DAE.Runtime.Data.Scalar)row.GetValue(columnIndex)).AsDisplayString;
}
else
{
text = Strings.Get("NoValue");
}
}
Nodes.Add(new TreeNode(this, text, key, 0, null));
}
catch
{
key.Dispose();
throw;
}
}
}
finally
{
_rootPlan.Close(cursor);
}
foreach (TreeNode node in Nodes)
{
node.BuildChildren();
}
SelectNode(Source.DataView.GetKey());
}
}
private IScalar LoadFromCache(string document, IServerProcess process)
{
byte[] data;
using (Stream stream = Cache.Reference(document))
{
int length = StreamUtility.ReadInteger(stream);
data = new byte[length];
stream.Read(data, 0, length);
}
using (DAE.Runtime.Data.IRow row = ((DAE.Runtime.Data.IRow)DataValue.FromPhysical(process.GetServerProcess().ValueManager, GetCacheRowType(process), data, 0))) // Uses GetServerProcess() as an optimization because this row is to remain local
{
return((IScalar)row.GetValue("Value").Copy());
}
}
/// <summary> Creates this nodes immediate children. Avoids duplication. </summary>
public void BuildChildren()
{
// Open a dynamic navigable browse cursor on the child expression
IServerCursor cursor = Tree.OpenChildCursor(_key);
try
{
DAE.Runtime.Data.Row key;
string text;
int index = 0;
int columnIndex;
while (cursor.Next())
{
key = new DAE.Runtime.Data.Row(Tree.Process.ValueManager, new RowType(Tree.Source.DataView.Order.Columns));
try
{
using (DAE.Runtime.Data.IRow row = cursor.Select())
{
row.CopyTo(key);
columnIndex = row.DataType.Columns.IndexOf(Tree.ColumnName);
if (row.HasValue(columnIndex))
{
text = ((DAE.Runtime.Data.Scalar)row.GetValue(columnIndex)).AsDisplayString;
}
else
{
text = Strings.Get("NoValue");
}
}
if (FindChild(key) == null)
{
Nodes.Insert(index, new TreeNode(Tree, text, key, _depth + 1, this));
}
index++;
}
catch
{
key.Dispose();
throw;
}
}
}
finally
{
Tree.CloseChildCursor(cursor);
}
}
private void LoadImage(HttpContext context, string iD, Stream stream)
{
string rowIndex = context.Request.QueryString["RowIndex"];
if ((rowIndex != String.Empty) && (ColumnName != String.Empty))
{
DAE.Runtime.Data.IRow row = ParentGrid.DataLink.Buffer(Int32.Parse(rowIndex));
if ((row != null) && row.HasValue(ColumnName))
{
using (Stream source = row.GetValue(ColumnName).OpenStream())
{
StreamUtility.CopyStream(source, stream);
}
}
}
}
public bool ExtractValue(DAE.Runtime.Data.IRow row)
{
try
{
if (HasValue)
{
((DAE.Runtime.Data.Scalar)row.GetValue(_columnName)).AsString = Text;
}
else
{
row.ClearValue(_columnName);
}
return(true);
}
catch
{
ConversionFailed = true;
return(false);
}
}
public bool ExtractValue(DAE.Runtime.Data.IRow row)
{
try
{
if (HasValue)
{
((DAE.Runtime.Data.Scalar)row.GetValue(_columnName)).AsBoolean = (base.CheckState == CheckState.Checked);
}
else
{
row.ClearValue(_columnName);
}
return(true);
}
catch
{
ConversionFailed = true;
return(false);
}
}
public void InjectValue(DAE.Runtime.Data.IRow row, bool overwrite)
{
if (overwrite)
{
if (row.HasValue(ColumnName))
{
if (((DAE.Runtime.Data.Scalar)row.GetValue(ColumnName)).AsBoolean)
{
base.CheckState = CheckState.Checked;
}
else
{
base.CheckState = CheckState.Unchecked;
}
}
else
{
base.CheckState = CheckState.Indeterminate;
}
}
}
private static void ReadRow(DAE.Runtime.Data.IRow row, ResultColumn[] LTarget)
{
for (int columnIndex = 0; columnIndex < row.DataType.Columns.Count; columnIndex++)
{
if (!row.HasValue(columnIndex))
{
LTarget[columnIndex].Add(Strings.Get("NoValue"));
}
else
{
string value;
try
{
value = row.GetValue(columnIndex).ToString();
}
catch (Exception exception)
{
value = "<error retrieving value: " + exception.Message.Replace("\r\n", "↵") + ">";
}
LTarget[columnIndex].Add(value);
}
}
}