//*************************************************************************
// Constructor: ReadWorkbookContext()
//
/// <summary>
/// Initializes a new instance of the <see cref="ReadWorkbookContext" />
/// class.
/// </summary>
//*************************************************************************
public ReadWorkbookContext()
{
m_bIgnoreVertexLocations = true;
m_bFillIDColumns = false;
m_bPopulateVertexWorksheet = false;
m_bReadEdgeWeights = false;
m_bReadGroups = false;
m_bReadVertexColorFromGroups = true;
m_bReadVertexShapeFromGroups = true;
m_bReadVertexLabels = false;
m_bReadEdgeLabels = false;
m_bReadGroupLabels = false;
m_bReadVertexImages = false;
m_oDefaultVertexImageSize = new Nullable <Single>();
m_eDefaultVertexShape = VertexShape.Disk;
m_bReadAllEdgeAndVertexColumns = false;
m_oGraphRectangle = Rectangle.FromLTRB(0, 0, 100, 100);
m_oColorConverter2 = new ColorConverter2();
m_oBooleanConverter = new BooleanConverter();
m_oFontSizeConverter = new FontSizeConverter();
m_oEdgeWidthConverter = new EdgeWidthConverter();
m_oEdgeStyleConverter = new EdgeStyleConverter();
m_oVertexRadiusConverter = new VertexRadiusConverter();
m_oVertexLocationConverter =
new VertexLocationConverter(m_oGraphRectangle);
m_oVertexNameDictionary = new Dictionary <String, IVertex>();
m_oEdgeRowIDDictionary = new Dictionary <Int32, IIdentityProvider>();
m_oVertexRowIDDictionary = new Dictionary <Int32, IIdentityProvider>();
AssertValid();
}
ReadRadius
(
ExcelTableReader.ExcelTableRow oRow,
VertexRadiusConverter oVertexRadiusConverter,
IVertex oVertex
)
{
Debug.Assert(oRow != null);
Debug.Assert(oVertex != null);
Debug.Assert(oVertexRadiusConverter != null);
AssertValid();
String sRadius;
if (!oRow.TryGetNonEmptyStringFromCell(VertexTableColumnNames.Radius,
out sRadius))
{
return(new Nullable <Single>());
}
Single fRadius;
if (!Single.TryParse(sRadius, out fRadius))
{
Range oInvalidCell = oRow.GetRangeForCell(
VertexTableColumnNames.Radius);
OnWorkbookFormatError(String.Format(
"The cell {0} contains an invalid size. The vertex size,"
+ " which is optional, must be a number. Any number is"
+ " acceptable, although {1} is used for any number less than"
+ " {1} and {2} is used for any number greater than {2}."
,
ExcelUtil.GetRangeAddress(oInvalidCell),
VertexRadiusConverter.MinimumRadiusWorkbook,
VertexRadiusConverter.MaximumRadiusWorkbook
),
oInvalidCell
);
}
oVertex.SetValue(ReservedMetadataKeys.PerVertexRadius,
oVertexRadiusConverter.WorkbookToGraph(fRadius));
return(new Nullable <Single>(fRadius));
}
//*************************************************************************
// Constructor: ReadWorkbookContext()
//
/// <summary>
/// Initializes a new instance of the <see cref="ReadWorkbookContext" />
/// class.
/// </summary>
//*************************************************************************
public ReadWorkbookContext()
{
m_bIgnoreVertexLocations = true;
m_bFillIDColumns = false;
m_bPopulateVertexWorksheet = false;
m_bReadEdgeWeights = false;
m_bReadGroups = false;
m_bReadVertexColorFromGroups = true;
m_bReadVertexShapeFromGroups = true;
m_bReadVertexLabels = false;
m_bReadEdgeLabels = false;
m_bReadGroupLabels = false;
m_bReadVertexImages = false;
m_oDefaultVertexImageSize = new Nullable<Single>();
m_eDefaultVertexShape = VertexShape.Disk;
m_bReadAllEdgeAndVertexColumns = false;
m_oGraphRectangle = Rectangle.FromLTRB(0, 0, 100, 100);
m_oColorConverter2 = new ColorConverter2();
m_oBooleanConverter = new BooleanConverter();
m_oFontSizeConverter = new FontSizeConverter();
m_oEdgeWidthConverter = new EdgeWidthConverter();
m_oEdgeStyleConverter = new EdgeStyleConverter();
m_oVertexRadiusConverter = new VertexRadiusConverter();
m_oVertexLocationConverter =
new VertexLocationConverter(m_oGraphRectangle);
m_oVertexNameDictionary = new Dictionary<String, IVertex>();
m_oEdgeRowIDDictionary = new Dictionary<Int32, IIdentityProvider>();
m_oVertexRowIDDictionary = new Dictionary<Int32, IIdentityProvider>();
AssertValid();
}
ReadImageUri
(
ExcelTableReader.ExcelTableRow oRow,
IVertex oVertex,
VertexRadiusConverter oVertexRadiusConverter,
Nullable <Single> oVertexImageSize
)
{
Debug.Assert(oRow != null);
Debug.Assert(oVertex != null);
Debug.Assert(oVertexRadiusConverter != null);
AssertValid();
String sImageUri;
if (!oRow.TryGetNonEmptyStringFromCell(
VertexTableColumnNames.ImageUri, out sImageUri))
{
return(false);
}
if (sImageUri.ToLower().StartsWith("www."))
{
// The Uri class thinks that "www.somewhere.com" is a relative
// path. Fix that.
sImageUri = "http://" + sImageUri;
}
Uri oUri;
// Is the URI either an URL or a full file path?
if (!Uri.TryCreate(sImageUri, UriKind.Absolute, out oUri))
{
// No. It appears to be a relative path.
Range oCell = oRow.GetRangeForCell(
VertexTableColumnNames.ImageUri);
String sWorkbookPath =
((Workbook)(oCell.Worksheet.Parent)).Path;
if (!String.IsNullOrEmpty(sWorkbookPath))
{
sImageUri = Path.Combine(sWorkbookPath, sImageUri);
}
else
{
OnWorkbookFormatError(String.Format(
"The image file path specified in cell {0} is a relative"
+ " path. Relative paths must be relative to the saved"
+ " workbook file, but the workbook hasn't been saved yet."
+ " Either save the workbook or change the image file to"
+ " an absolute path, such as \"C:\\MyImages\\Image.jpg\"."
,
ExcelUtil.GetRangeAddress(oCell)
),
oCell
);
}
}
// Note that sImageUri may or may not be a valid URI string. If it is
// not, GetImageSynchronousIgnoreDpi() will return an error image.
BitmapSource oImage =
(new WpfImageUtil()).GetImageSynchronousIgnoreDpi(sImageUri);
if (oVertexImageSize.HasValue)
{
// Resize the image.
Double dLongerDimension =
oVertexRadiusConverter.WorkbookToLongerImageDimension(
oVertexImageSize.Value);
Debug.Assert(dLongerDimension >= 1);
oImage = (new WpfImageUtil()).ResizeImage(oImage,
(Int32)dLongerDimension);
}
oVertex.SetValue(ReservedMetadataKeys.PerVertexImage, oImage);
return(true);
}
ReadImageUri
(
ExcelTableReader.ExcelTableRow oRow,
IVertex oVertex,
VertexRadiusConverter oVertexRadiusConverter,
Nullable<Single> oVertexImageSize
)
{
Debug.Assert(oRow != null);
Debug.Assert(oVertex != null);
Debug.Assert(oVertexRadiusConverter != null);
AssertValid();
String sImageUri;
if ( !oRow.TryGetNonEmptyStringFromCell(
VertexTableColumnNames.ImageUri, out sImageUri) )
{
return (false);
}
if ( sImageUri.ToLower().StartsWith("www.") )
{
// The Uri class thinks that "www.somewhere.com" is a relative
// path. Fix that.
sImageUri= "http://" + sImageUri;
}
Uri oUri;
// Is the URI either an URL or a full file path?
if ( !Uri.TryCreate(sImageUri, UriKind.Absolute, out oUri) )
{
// No. It appears to be a relative path.
Range oCell = oRow.GetRangeForCell(
VertexTableColumnNames.ImageUri);
String sWorkbookPath =
( (Workbook)(oCell.Worksheet.Parent) ).Path;
if ( !String.IsNullOrEmpty(sWorkbookPath) )
{
sImageUri = Path.Combine(sWorkbookPath, sImageUri);
}
else
{
OnWorkbookFormatError( String.Format(
"The image file path specified in cell {0} is a relative"
+ " path. Relative paths must be relative to the saved"
+ " workbook file, but the workbook hasn't been saved yet."
+ " Either save the workbook or change the image file to"
+ " an absolute path, such as \"C:\\MyImages\\Image.jpg\"."
,
ExcelUtil.GetRangeAddress(oCell)
),
oCell
);
}
}
// Note that sImageUri may or may not be a valid URI string. If it is
// not, GetImageSynchronousIgnoreDpi() will return an error image.
ImageSource oImage =
( new WpfImageUtil() ).GetImageSynchronousIgnoreDpi(sImageUri);
if (oVertexImageSize.HasValue)
{
// Resize the image.
Double dLongerDimension =
oVertexRadiusConverter.WorkbookToLongerImageDimension(
oVertexImageSize.Value);
Debug.Assert(dLongerDimension >= 1);
oImage = ( new WpfImageUtil() ).ResizeImage(oImage,
(Int32)dLongerDimension);
}
oVertex.SetValue(ReservedMetadataKeys.PerVertexImage, oImage);
return (true);
}
ReadRadius
(
ExcelTableReader.ExcelTableRow oRow,
VertexRadiusConverter oVertexRadiusConverter,
IVertex oVertex
)
{
Debug.Assert(oRow != null);
Debug.Assert(oVertex != null);
Debug.Assert(oVertexRadiusConverter != null);
AssertValid();
String sRadius;
if ( !oRow.TryGetNonEmptyStringFromCell(VertexTableColumnNames.Radius,
out sRadius) )
{
return ( new Nullable<Single>() );
}
Single fRadius;
if ( !Single.TryParse(sRadius, out fRadius) )
{
Range oInvalidCell = oRow.GetRangeForCell(
VertexTableColumnNames.Radius);
OnWorkbookFormatError( String.Format(
"The cell {0} contains an invalid size. The vertex size,"
+ " which is optional, must be a number. Any number is"
+ " acceptable, although {1} is used for any number less than"
+ " {1} and {2} is used for any number greater than {2}."
,
ExcelUtil.GetRangeAddress(oInvalidCell),
VertexRadiusConverter.MinimumRadiusWorkbook,
VertexRadiusConverter.MaximumRadiusWorkbook
),
oInvalidCell
);
}
oVertex.SetValue( ReservedMetadataKeys.PerVertexRadius,
oVertexRadiusConverter.WorkbookToGraph(fRadius) );
return ( new Nullable<Single>(fRadius) );
}
SetUp()
{
m_oVertexRadiusConverter = new VertexRadiusConverter();
}
btnOK_Click
(
object sender,
EventArgs e
)
{
AssertValid();
if (!DoDataExchange(true))
{
return;
}
// If the caller is going to force the workbook to be reread, there
// is no point in editing the vertices' metadata.
if (!m_oEditedVertexAttributes.WorkbookMustBeReread)
{
this.UseWaitCursor = true;
VertexRadiusConverter oVertexRadiusConverter =
new VertexRadiusConverter();
AlphaConverter oAlphaConverter = new AlphaConverter();
foreach (IVertex oVertex in m_oNodeXLControl.SelectedVertices)
{
SetValue <Color>(oVertex, ReservedMetadataKeys.PerColor,
m_oEditedVertexAttributes.Color);
SetValue <VertexShape>(oVertex,
ReservedMetadataKeys.PerVertexShape,
m_oEditedVertexAttributes.Shape);
SetSingleValue(oVertex, ReservedMetadataKeys.PerVertexRadius,
m_oEditedVertexAttributes.Radius, oVertexRadiusConverter);
SetSingleValue(oVertex, ReservedMetadataKeys.PerAlpha,
m_oEditedVertexAttributes.Alpha, oAlphaConverter);
if (m_oEditedVertexAttributes.Visibility.HasValue)
{
Debug.Assert(m_oEditedVertexAttributes.Visibility.Value ==
VertexWorksheetReader.Visibility.Hide);
// 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);
}
}
SetStringValue(oVertex, ReservedMetadataKeys.PerVertexLabel,
m_oEditedVertexAttributes.Label);
SetValue <Color>(oVertex,
ReservedMetadataKeys.PerVertexLabelFillColor,
m_oEditedVertexAttributes.LabelFillColor);
SetValue <VertexLabelPosition>(oVertex,
ReservedMetadataKeys.PerVertexLabelPosition,
m_oEditedVertexAttributes.LabelPosition);
SetStringValue(oVertex, ReservedMetadataKeys.PerVertexToolTip,
m_oEditedVertexAttributes.ToolTip);
SetValue <Boolean>(oVertex,
ReservedMetadataKeys.LockVertexLocation,
m_oEditedVertexAttributes.Locked);
SetValue <Boolean>(oVertex, ReservedMetadataKeys.Marked,
m_oEditedVertexAttributes.Marked);
}
m_oNodeXLControl.DrawGraph();
this.UseWaitCursor = false;
}
DialogResult = DialogResult.OK;
this.Close();
}
