private void DataLinkActiveChanged(DAE.Client.DataLink link, DAE.Client.DataSet dataSet)
{
if (link.Active)
{
// if no children, then default to a full set of columns.
if (Children.Count == 0)
{
foreach (DAE.Client.DataField column in Source.DataView.Fields)
{
TextColumn newColumn = new TextColumn();
newColumn.ColumnName = column.ColumnName;
newColumn.Title = column.ColumnName;
Children.Add(newColumn);
}
_autoBuiltColumns = true;
}
_autoBuiltColumns = false;
}
else
{
if (_autoBuiltColumns)
{
Children.Clear();
}
}
}
protected void DataLinkDataChanged(DAE.Client.DataLink link, DAE.Client.DataSet dataSet)
{
if (link.Active && !_internalSelecting)
{
ClearNodes();
BuildTree();
}
}
public Grid() : base()
{
_pageUpID = Session.GenerateID();
_pageDownID = Session.GenerateID();
_firstID = Session.GenerateID();
_lastID = Session.GenerateID();
_dataLink = new DAE.Client.DataLink();
_dataLink.OnActiveChanged += new DAE.Client.DataLinkHandler(DataLinkActiveChanged);
}
protected virtual void DataActiveChange(DAE.Client.DataLink dataLink, DAE.Client.DataSet dataSet)
{
if (dataLink.Active && (dataSet is DAE.Client.TableDataSet))
{
SetOrder(((DAE.Client.TableDataSet)dataSet).Order);
}
else
{
SetOrder(null);
}
}
private bool InOrder()
{
DAE.Client.DataLink link = ParentGrid.DataLink;
if (link.Active)
{
foreach (Schema.Order order in link.DataSet.TableVar.Orders)
{
if (order.Columns.IndexOf(ColumnName) >= 0)
{
return(true);
}
}
}
return(false);
}
private bool InKey()
{
DAE.Client.DataLink link = ParentGrid.DataLink;
if (link.Active)
{
foreach (Schema.Key key in link.DataSet.TableVar.Keys)
{
if (!key.IsSparse && (key.Columns.IndexOfName(ColumnName) >= 0))
{
return(true);
}
}
}
return(false);
}
protected void DataLinkActiveChanged(DAE.Client.DataLink link, DAE.Client.DataSet dataSet)
{
if (!link.Active)
{
ClearNodes();
StopProcess();
}
else
{
StartProcess();
if (!link.DataSet.IsEmpty())
{
BuildTree();
}
}
}
protected virtual void DataChange(DAE.Client.DataLink dataLink, DAE.Client.DataSet dataSet)
{
if (dataLink.Active && (dataSet is DAE.Client.TableDataSet))
{
DAE.Client.TableDataSet table = (DAE.Client.TableDataSet)dataSet;
if (_order != table.Order)
{
SetOrder(table.Order);
}
else
if (!_searching)
{
Reset();
}
}
}
public override void InternalRenderHeader(HtmlTextWriter writer)
{
writer.AddAttribute(HtmlTextWriterAttribute.Class, "gridheaderdatacell");
writer.AddAttribute(HtmlTextWriterAttribute.Onclick, Session.GetActionLink(Session.Get(this).Context, _headerID));
writer.RenderBeginTag(HtmlTextWriterTag.Td);
string title = GetTitle();
if (title == String.Empty)
{
writer.Write(" ");
}
else
{
writer.Write(HttpUtility.HtmlEncode(Session.RemoveAccellerator(title)));
}
DAE.Client.DataLink link = ParentGrid.DataLink;
if (link.Active)
{
DAE.Client.TableDataSet dataSet = ParentGrid.DataLink.DataSet as DAE.Client.TableDataSet;
if (dataSet != null)
{
Schema.Order order = dataSet.Order;
if ((order != null) && (order.Columns.IndexOf(ColumnName) > -1))
{
writer.Write(" ");
if (((Schema.OrderColumn)order.Columns[ColumnName]).Ascending)
{
writer.AddAttribute(HtmlTextWriterAttribute.Src, "images/downarrow.gif");
}
else
{
writer.AddAttribute(HtmlTextWriterAttribute.Src, "images/uparrow.gif");
}
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
writer.Write(" ");
}
}
}
writer.RenderEndTag();
}
protected virtual void MainSourceStateChanged(DAE.Client.DataLink link, DAE.Client.DataSet dataSet)
{
}
