ReadLabelPosition
(
ExcelTableReader.ExcelTableRow oRow,
VertexLabelPositionConverter oVertexLabelPositionConverter,
IVertex oVertex
)
{
Debug.Assert(oRow != null);
Debug.Assert(oVertex != null);
Debug.Assert(oVertexLabelPositionConverter != null);
AssertValid();
String sLabelPosition;
if (!oRow.TryGetNonEmptyStringFromCell(
VertexTableColumnNames.LabelPosition, out sLabelPosition))
{
return;
}
VertexLabelPosition eLabelPosition;
if (!oVertexLabelPositionConverter.TryWorkbookToGraph(sLabelPosition,
out eLabelPosition))
{
OnWorkbookFormatErrorWithDropDown(oRow,
VertexTableColumnNames.LabelPosition, "label position");
}
oVertex.SetValue(ReservedMetadataKeys.PerVertexLabelPosition,
eLabelPosition);
}
ReadVertexTable
(
ListObject oVertexTable,
ReadWorkbookContext oReadWorkbookContext,
IGraph oGraph,
out Boolean bLayoutOrderSet,
out Boolean bToolTipSet
)
{
Debug.Assert(oVertexTable != null);
Debug.Assert(oReadWorkbookContext != null);
Debug.Assert(oGraph != null);
AssertValid();
bLayoutOrderSet = bToolTipSet = false;
if (GetTableColumnIndex(oVertexTable,
VertexTableColumnNames.VertexName, false) == NoSuchColumn)
{
// Nothing can be done without vertex names.
return;
}
Boolean bReadAllEdgeAndVertexColumns =
oReadWorkbookContext.ReadAllEdgeAndVertexColumns;
if (oReadWorkbookContext.FillIDColumns)
{
FillIDColumn(oVertexTable);
}
// Get the names of all the column pairs that are used to add custom
// menu items to the vertex context menu in the graph.
TableColumnAdder oTableColumnAdder = new TableColumnAdder();
ICollection <KeyValuePair <String, String> > aoCustomMenuItemPairNames =
oTableColumnAdder.GetColumnPairNames(oVertexTable,
VertexTableColumnNames.CustomMenuItemTextBase,
VertexTableColumnNames.CustomMenuItemActionBase);
IVertexCollection oVertices = oGraph.Vertices;
Dictionary <String, IVertex> oVertexNameDictionary =
oReadWorkbookContext.VertexNameDictionary;
Dictionary <Int32, IIdentityProvider> oEdgeRowIDDictionary =
oReadWorkbookContext.EdgeRowIDDictionary;
BooleanConverter oBooleanConverter =
oReadWorkbookContext.BooleanConverter;
VertexVisibilityConverter oVertexVisibilityConverter =
new VertexVisibilityConverter();
VertexLabelPositionConverter oVertexLabelPositionConverter =
new VertexLabelPositionConverter();
ExcelTableReader oExcelTableReader =
new ExcelTableReader(oVertexTable);
HashSet <String> oColumnNamesToExclude = new HashSet <String>(
new String[] {
VertexTableColumnNames.VertexName
});
foreach (ExcelTableReader.ExcelTableRow oRow in
oExcelTableReader.GetRows())
{
// Get the name of the vertex.
String sVertexName;
if (!oRow.TryGetNonEmptyStringFromCell(
VertexTableColumnNames.VertexName, out sVertexName))
{
continue;
}
// If the vertex was added to the graph as part of an edge,
// retrieve the vertex.
IVertex oVertex;
if (!oVertexNameDictionary.TryGetValue(sVertexName, out oVertex))
{
oVertex = null;
}
// Assume a default visibility.
Visibility eVisibility = Visibility.ShowIfInAnEdge;
String sVisibility;
if (oRow.TryGetNonEmptyStringFromCell(
CommonTableColumnNames.Visibility, out sVisibility))
{
if (!oVertexVisibilityConverter.TryWorkbookToGraph(
sVisibility, out eVisibility))
{
OnInvalidVisibility(oRow);
}
}
switch (eVisibility)
{
case Visibility.ShowIfInAnEdge:
// If the vertex is part of an edge, show it using the
// specified vertex attributes. Otherwise, skip the vertex
// row.
if (oVertex == null)
{
continue;
}
break;
case Visibility.Skip:
// Skip the vertex row and any edge rows that include the
// vertex. Do not read them into the graph.
if (oVertex != null)
{
// Remove the vertex and its incident edges from the
// graph and dictionaries.
foreach (IEdge oIncidentEdge in oVertex.IncidentEdges)
{
if (oIncidentEdge.Tag is Int32)
{
oEdgeRowIDDictionary.Remove(
(Int32)oIncidentEdge.Tag);
}
}
oVertexNameDictionary.Remove(sVertexName);
oVertices.Remove(oVertex);
// (The vertex doesn't get added to
// ReadWorkbookContext.VertexIDDictionary until after
// this switch statement, so it doesn't need to be
// removed from that dictionary.)
}
continue;
case Visibility.Hide:
// If the vertex is part of an edge, hide it and its
// incident edges. Otherwise, skip the vertex row.
if (oVertex == null)
{
continue;
}
// Hide the vertex and its incident edges.
oVertex.SetValue(ReservedMetadataKeys.Visibility,
VisibilityKeyValue.Hidden);
foreach (IEdge oIncidentEdge in oVertex.IncidentEdges)
{
oIncidentEdge.SetValue(ReservedMetadataKeys.Visibility,
VisibilityKeyValue.Hidden);
}
break;
case Visibility.Show:
// Show the vertex using the specified attributes
// regardless of whether it is part of an edge.
if (oVertex == null)
{
oVertex = CreateVertex(sVertexName, oVertices,
oVertexNameDictionary);
}
break;
default:
Debug.Assert(false);
break;
}
Debug.Assert(oVertex != null);
// If there is an ID column, add the vertex to the vertex ID
// dictionary and set the vertex's Tag to the ID.
AddToRowIDDictionary(oRow, oVertex,
oReadWorkbookContext.VertexRowIDDictionary);
if (bReadAllEdgeAndVertexColumns)
{
// All columns except the vertex name should be read and stored
// as metadata on the vertex.
ReadAllColumns(oExcelTableReader, oRow, oVertex,
oColumnNamesToExclude);
continue;
}
// Layout order.
if (ReadLayoutOrder(oRow, oVertex))
{
bLayoutOrderSet = true;
}
// Location and Locked.
if (!oReadWorkbookContext.IgnoreVertexLocations)
{
Boolean bLocationSpecified = false;
bLocationSpecified = ReadLocation(oRow,
oReadWorkbookContext.VertexLocationConverter, oVertex);
ReadLocked(oRow, oBooleanConverter, bLocationSpecified,
oVertex);
}
// Polar coordinates.
ReadPolarCoordinates(oRow, oVertex);
// Marked.
ReadMarked(oRow, oBooleanConverter, oVertex);
// Custom menu items.
if (aoCustomMenuItemPairNames.Count > 0)
{
ReadCustomMenuItems(oRow, aoCustomMenuItemPairNames, oVertex);
}
// Alpha.
ReadAlpha(oRow, oVertex);
// Tooltip.
if (ReadCellAndSetMetadata(oRow, VertexTableColumnNames.ToolTip,
oVertex, ReservedMetadataKeys.VertexToolTip))
{
bToolTipSet = true;
}
// Label.
if (oReadWorkbookContext.ReadVertexLabels)
{
ReadCellAndSetMetadata(oRow, VertexTableColumnNames.Label,
oVertex, ReservedMetadataKeys.PerVertexLabel);
}
// Label fill color.
ReadColor(oRow, VertexTableColumnNames.LabelFillColor, oVertex,
ReservedMetadataKeys.PerVertexLabelFillColor,
oReadWorkbookContext.ColorConverter2);
// Label position.
ReadLabelPosition(oRow, oVertexLabelPositionConverter, oVertex);
// Radius.
Nullable <Single> oRadiusWorkbook = new Nullable <Single>();
oRadiusWorkbook = ReadRadius(oRow,
oReadWorkbookContext.VertexRadiusConverter, oVertex);
// Shape.
VertexShape eVertexShape;
if (!ReadShape(oRow, oVertex, out eVertexShape))
{
eVertexShape = oReadWorkbookContext.DefaultVertexShape;
}
// Label font size.
if (eVertexShape == VertexShape.Label && oRadiusWorkbook.HasValue)
{
// The vertex radius is used to specify font size when the
// shape is Label.
oVertex.SetValue(ReservedMetadataKeys.PerVertexLabelFontSize,
oReadWorkbookContext.VertexRadiusConverter.
WorkbookToLabelFontSize(oRadiusWorkbook.Value));
}
// Image URI.
if (eVertexShape == VertexShape.Image &&
oReadWorkbookContext.ReadVertexImages)
{
ReadImageUri(oRow, oVertex,
oReadWorkbookContext.VertexRadiusConverter,
oRadiusWorkbook.HasValue ? oRadiusWorkbook :
oReadWorkbookContext.DefaultVertexImageSize
);
}
// Color
ReadColor(oRow, VertexTableColumnNames.Color, oVertex,
ReservedMetadataKeys.PerColor,
oReadWorkbookContext.ColorConverter2);
}
if (bReadAllEdgeAndVertexColumns)
{
// Store the vertex column names on the graph.
oGraph.SetValue(ReservedMetadataKeys.AllVertexMetadataKeys,
FilterColumnNames(oExcelTableReader, oColumnNamesToExclude));
}
}
OnVertexAttributesEditedInGraph
(
VertexAttributesEditedEventArgs e
)
{
Debug.Assert(e != null);
AssertValid();
Microsoft.Office.Interop.Excel.ListObject oVertexTable =
Vertices.InnerObject;
// Get a dictionary containing the ID of each row in the table.
Dictionary <Int32, Int32> oRowIDDictionary;
if (!m_oSheets1And2Helper.TryGetAllRowIDs(out oRowIDDictionary))
{
// Nothing can be done without the IDs.
return;
}
Globals.ThisWorkbook.ShowWaitCursor = true;
// Get the columns that might need to be updated. These columns are
// not required.
Microsoft.Office.Interop.Excel.Range oColorColumnData,
oShapeColumnData, oRadiusColumnData, oAlphaColumnData,
oVisibilityColumnData, oLabelPositionColumnData, oLockedColumnData,
oMarkedColumnData;
Object [,] aoColorValues = null;
Object [,] aoShapeValues = null;
Object [,] aoRadiusValues = null;
Object [,] aoAlphaValues = null;
Object [,] aoVisibilityValues = null;
Object [,] aoLabelPositionValues = null;
Object [,] aoLockedValues = null;
Object [,] aoMarkedValues = null;
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
VertexTableColumnNames.Color, out oColorColumnData,
out aoColorValues);
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
VertexTableColumnNames.Shape, out oShapeColumnData,
out aoShapeValues);
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
VertexTableColumnNames.Radius, out oRadiusColumnData,
out aoRadiusValues);
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
CommonTableColumnNames.Alpha, out oAlphaColumnData,
out aoAlphaValues);
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
CommonTableColumnNames.Visibility, out oVisibilityColumnData,
out aoVisibilityValues);
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
VertexTableColumnNames.LabelPosition, out oLabelPositionColumnData,
out aoLabelPositionValues);
ExcelUtil.TryGetTableColumnDataAndValues(oVertexTable,
VertexTableColumnNames.Locked, out oLockedColumnData,
out aoLockedValues);
if (TryGetMarkedColumnData(out oMarkedColumnData))
{
aoMarkedValues = ExcelUtil.GetRangeValues(oMarkedColumnData);
}
ColorConverter2 oColorConverter2 = new ColorConverter2();
VertexShapeConverter oVertexShapeConverter =
new VertexShapeConverter();
VertexVisibilityConverter oVertexVisibilityConverter =
new VertexVisibilityConverter();
VertexLabelPositionConverter oVertexLabelPositionConverter =
new VertexLabelPositionConverter();
BooleanConverter oBooleanConverter = new BooleanConverter();
// Loop through the IDs of the vertices whose attributes were edited
// in the graph.
EditedVertexAttributes oEditedVertexAttributes =
e.EditedVertexAttributes;
foreach (Int32 iID in e.VertexIDs)
{
// Look for the row that contains the ID.
Int32 iRowOneBased;
if (!oRowIDDictionary.TryGetValue(iID, out iRowOneBased))
{
continue;
}
iRowOneBased -= oVertexTable.Range.Row;
if (oEditedVertexAttributes.Color.HasValue &&
aoColorValues != null)
{
aoColorValues[iRowOneBased, 1] =
oColorConverter2.GraphToWorkbook(
oEditedVertexAttributes.Color.Value);
}
if (oEditedVertexAttributes.Shape.HasValue &&
aoShapeValues != null)
{
aoShapeValues[iRowOneBased, 1] =
oVertexShapeConverter.GraphToWorkbook(
oEditedVertexAttributes.Shape.Value);
}
if (oEditedVertexAttributes.Radius.HasValue &&
aoRadiusValues != null)
{
aoRadiusValues[iRowOneBased, 1] =
oEditedVertexAttributes.Radius.Value.ToString();
}
if (oEditedVertexAttributes.Alpha.HasValue &&
aoAlphaValues != null)
{
aoAlphaValues[iRowOneBased, 1] =
oEditedVertexAttributes.Alpha.Value.ToString();
}
if (oEditedVertexAttributes.Visibility.HasValue &&
aoVisibilityValues != null)
{
aoVisibilityValues[iRowOneBased, 1] =
oVertexVisibilityConverter.GraphToWorkbook(
oEditedVertexAttributes.Visibility.Value);
}
if (oEditedVertexAttributes.LabelPosition.HasValue &&
aoLabelPositionValues != null)
{
aoLabelPositionValues[iRowOneBased, 1] =
oVertexLabelPositionConverter.GraphToWorkbook(
oEditedVertexAttributes.LabelPosition.Value);
}
if (oEditedVertexAttributes.Locked.HasValue &&
aoLockedValues != null)
{
aoLockedValues[iRowOneBased, 1] =
oBooleanConverter.GraphToWorkbook(
oEditedVertexAttributes.Locked.Value);
}
if (oEditedVertexAttributes.Marked.HasValue &&
aoMarkedValues != null)
{
aoMarkedValues[iRowOneBased, 1] =
oBooleanConverter.GraphToWorkbook(
oEditedVertexAttributes.Marked.Value);
}
}
// Activate this worksheet first, because writing to an inactive
// worksheet causes problems with the selection in Excel.
ExcelActiveWorksheetRestorer oExcelActiveWorksheetRestorer =
GetExcelActiveWorksheetRestorer();
ExcelActiveWorksheetState oExcelActiveWorksheetState =
oExcelActiveWorksheetRestorer.ActivateWorksheet(this.InnerObject);
try
{
if (aoColorValues != null)
{
oColorColumnData.set_Value(Missing.Value, aoColorValues);
}
if (aoShapeValues != null)
{
oShapeColumnData.set_Value(Missing.Value, aoShapeValues);
}
if (aoRadiusValues != null)
{
oRadiusColumnData.set_Value(Missing.Value, aoRadiusValues);
}
if (aoAlphaValues != null)
{
oAlphaColumnData.set_Value(Missing.Value, aoAlphaValues);
}
if (aoVisibilityValues != null)
{
oVisibilityColumnData.set_Value(Missing.Value,
aoVisibilityValues);
}
if (aoLabelPositionValues != null)
{
oLabelPositionColumnData.set_Value(Missing.Value,
aoLabelPositionValues);
}
if (aoLockedValues != null)
{
oLockedColumnData.set_Value(Missing.Value, aoLockedValues);
}
if (aoMarkedValues != null)
{
oMarkedColumnData.set_Value(Missing.Value, aoMarkedValues);
}
}
finally
{
oExcelActiveWorksheetRestorer.Restore(oExcelActiveWorksheetState);
}
Globals.ThisWorkbook.ShowWaitCursor = false;
}