ReadFilteredAlpha
(
DynamicFilterDialog dynamicFilterDialog,
NodeXLControl nodeXLControl,
Boolean forceRedraw
)
{
Debug.Assert(dynamicFilterDialog != null);
Debug.Assert(nodeXLControl != null);
nodeXLControl.FilteredAlpha =
(new AlphaConverter()).WorkbookToGraphAsByte(
dynamicFilterDialog.FilteredAlpha);
if (forceRedraw)
{
nodeXLControl.DrawGraph();
}
}
ReadDynamicFilterColumn
(
DynamicFilterDialog oDynamicFilterDialog,
Microsoft.Office.Interop.Excel.Workbook oWorkbook,
NodeXLControl oNodeXLControl,
String sWorksheetName,
String sTableName,
Dictionary <Int32, IIdentityProvider> oRowIDDictionary,
HashSet <Int32> oFilteredIDs,
EdgeOrVertexCanBeMadeVisibleHandler oOnEdgeOrVertexCanBeMadeVisible,
EdgeOrVertexFilteredHandler oOnEdgeOrVertexFiltered,
Boolean bForceRedraw
)
{
Debug.Assert(oDynamicFilterDialog != null);
Debug.Assert(oWorkbook != null);
Debug.Assert(oNodeXLControl != null);
Debug.Assert(!String.IsNullOrEmpty(sWorksheetName));
Debug.Assert(!String.IsNullOrEmpty(sTableName));
Debug.Assert(oRowIDDictionary != null);
Debug.Assert(oFilteredIDs != null);
Debug.Assert(oOnEdgeOrVertexCanBeMadeVisible != null);
Debug.Assert(oOnEdgeOrVertexFiltered != null);
if (oNodeXLControl.IsLayingOutGraph)
{
return;
}
oFilteredIDs.Clear();
// The dynamic filter column on the edge or vertex table contains
// Booleans indicating whether the edge or vertex should be made
// visible.
// Get the data in the ID and dynamic filter columns.
Object [,] oIDColumnValues, oDynamicFilterColumnValues;
if (!TryGetIDAndDynamicFilterValues(oWorkbook, sWorksheetName,
sTableName, out oIDColumnValues, out oDynamicFilterColumnValues))
{
return;
}
HashSet <Int32> oFilteredVertexIDs =
GetFilteredVertexIDs(oDynamicFilterDialog);
Int32 iRows = oIDColumnValues.GetUpperBound(0);
Debug.Assert(iRows == oDynamicFilterColumnValues.GetUpperBound(0));
for (Int32 iOneBasedRow = 1; iOneBasedRow <= iRows; iOneBasedRow++)
{
Object oID = oIDColumnValues[iOneBasedRow, 1];
Object oDynamicFilter =
oDynamicFilterColumnValues[iOneBasedRow, 1];
IIdentityProvider oEdgeOrVertex;
if (
oID is Double
&&
oRowIDDictionary.TryGetValue((Int32)(Double)oID,
out oEdgeOrVertex)
&&
oDynamicFilter is Boolean
)
{
Debug.Assert(oEdgeOrVertex is IMetadataProvider);
IMetadataProvider oEdgeOrVertex2 =
(IMetadataProvider)oEdgeOrVertex;
Boolean bMakeVisible = (Boolean)oDynamicFilter;
if (!bMakeVisible)
{
oFilteredIDs.Add(oEdgeOrVertex.ID);
}
else if (!oOnEdgeOrVertexCanBeMadeVisible(
oEdgeOrVertex,
GetFilteredEdgeIDs(oDynamicFilterDialog),
oFilteredVertexIDs
))
{
bMakeVisible = false;
}
// Filter or make visible the edge or vertex, then call the
// handler specified by the caller.
DynamicallyFilterEdgeOrVertex(oEdgeOrVertex2, bMakeVisible);
oOnEdgeOrVertexFiltered(oEdgeOrVertex2, bMakeVisible,
oDynamicFilterDialog);
}
}
if (bForceRedraw)
{
oNodeXLControl.DrawGraph();
}
}