ConvertTo
(
ITypeDescriptorContext context,
CultureInfo culture,
Object value,
Type destinationType
)
{
Debug.Assert(value != null);
Debug.Assert(value is LabelUserSettings);
Debug.Assert(destinationType == typeof(String));
AssertValid();
LabelUserSettings oLabelUserSettings = (LabelUserSettings)value;
// Use a simple tab-delimited format. Note that newer settings have
// been added to the end, so related settings are not all contiguous.
// Sample string:
//
// "Microsoft Sans Serif, 8.25pt\tWhite\tBottomCenter\t2147483647\t
// 4294967295\tBlack\ttrue\t200\tBlack\t86\tMiddleCenter";
ColorConverter oColorConverter = new ColorConverter();
return(String.Format(CultureInfo.InvariantCulture,
"{0}\t{1}\t{2}\t{3}\t{4}\t{5}\t{6}\t{7}\t{8}\t{9}\t{10}\t{11}\t{12}"
,
FontToInvariantString(oLabelUserSettings.VertexFont),
oColorConverter.ConvertToInvariantString(
oLabelUserSettings.VertexLabelFillColor),
oLabelUserSettings.VertexLabelPosition,
oLabelUserSettings.VertexLabelMaximumLength,
oLabelUserSettings.EdgeLabelMaximumLength,
oColorConverter.ConvertToInvariantString(
oLabelUserSettings.EdgeLabelTextColor),
oLabelUserSettings.VertexLabelWrapText,
oLabelUserSettings.VertexLabelWrapMaxTextWidth,
oColorConverter.ConvertToInvariantString(
oLabelUserSettings.GroupLabelTextColor),
oLabelUserSettings.GroupLabelTextAlpha,
oLabelUserSettings.GroupLabelPosition,
FontToInvariantString(oLabelUserSettings.EdgeFont),
FontToInvariantString(oLabelUserSettings.GroupFont)
));
}
//*************************************************************************
// Constructor: LabelUserSettingsDialog()
//
/// <summary>
/// Initializes a new instance of the <see
/// cref="LabelUserSettingsDialog" /> class.
/// </summary>
///
/// <param name="labelUserSettings">
/// The object being edited.
/// </param>
//*************************************************************************
public LabelUserSettingsDialog
(
LabelUserSettings labelUserSettings
)
{
Debug.Assert(labelUserSettings != null);
labelUserSettings.AssertValid();
m_oLabelUserSettings = labelUserSettings;
// Instantiate an object that saves and retrieves the position of this
// dialog. Note that the object automatically saves the settings when
// the form closes.
m_oLabelUserSettingsDialogUserSettings =
new LabelUserSettingsDialogUserSettings(this);
InitializeComponent();
m_oVertexFont = m_oLabelUserSettings.VertexFont;
usrVertexLabelMaximumLength.AccessKey = 'c';
cbxVertexLabelPosition.Populate();
m_oEdgeFont = m_oLabelUserSettings.EdgeFont;
usrEdgeLabelMaximumLength.AccessKey = 'T';
m_oGroupFont = m_oLabelUserSettings.GroupFont;
nudGroupLabelTextAlpha.Minimum =
(Decimal)AlphaConverter.MinimumAlphaWorkbook;
nudGroupLabelTextAlpha.Maximum =
(Decimal)AlphaConverter.MaximumAlphaWorkbook;
cbxGroupLabelPosition.Populate();
DoDataExchange(false);
AssertValid();
}
//*************************************************************************
// Constructor: LabelUserSettingsDialog()
//
/// <summary>
/// Initializes a new instance of the <see
/// cref="LabelUserSettingsDialog" /> class.
/// </summary>
///
/// <param name="labelUserSettings">
/// The object being edited.
/// </param>
//*************************************************************************
public LabelUserSettingsDialog
(
LabelUserSettings labelUserSettings
)
{
Debug.Assert(labelUserSettings != null);
labelUserSettings.AssertValid();
m_oLabelUserSettings = labelUserSettings;
m_oFont = m_oLabelUserSettings.Font;
// Instantiate an object that saves and retrieves the position of this
// dialog. Note that the object automatically saves the settings when
// the form closes.
m_oLabelUserSettingsDialogUserSettings =
new LabelUserSettingsDialogUserSettings(this);
InitializeComponent();
usrVertexLabelMaximumLength.AccessKey = 'c';
usrEdgeLabelMaximumLength.AccessKey = 'T';
cbxVertexLabelPosition.Populate();
nudGroupLabelTextAlpha.Minimum =
(Decimal)AlphaConverter.MinimumAlphaWorkbook;
nudGroupLabelTextAlpha.Maximum =
(Decimal)AlphaConverter.MaximumAlphaWorkbook;
cbxGroupLabelPosition.Populate();
DoDataExchange(false);
AssertValid();
}
Copy()
{
AssertValid();
LabelUserSettings oCopy = new LabelUserSettings();
//***********
// Vertex
//***********
oCopy.VertexFont = this.VertexFont;
oCopy.VertexLabelFillColor = this.VertexLabelFillColor;
oCopy.VertexLabelPosition = this.VertexLabelPosition;
oCopy.VertexLabelMaximumLength = this.VertexLabelMaximumLength;
oCopy.VertexLabelWrapText = this.VertexLabelWrapText;
oCopy.VertexLabelWrapMaxTextWidth = this.VertexLabelWrapMaxTextWidth;
//***********
// Edge
//***********
oCopy.EdgeFont = this.EdgeFont;
oCopy.EdgeLabelTextColor = this.EdgeLabelTextColor;
oCopy.EdgeLabelMaximumLength = this.EdgeLabelMaximumLength;
//***********
// Group
//***********
oCopy.GroupFont = this.GroupFont;
oCopy.GroupLabelTextColor = this.GroupLabelTextColor;
oCopy.GroupLabelTextAlpha = this.GroupLabelTextAlpha;
oCopy.GroupLabelPosition = this.GroupLabelPosition;
return(oCopy);
}
ConvertFrom
(
ITypeDescriptorContext context,
CultureInfo culture,
Object value
)
{
Debug.Assert(value != null);
Debug.Assert(value is String);
AssertValid();
LabelUserSettings oLabelUserSettings = new LabelUserSettings();
String [] asStrings = ( (String)value ).Split( new Char[] {'\t'} );
Debug.Assert(asStrings.Length >= 5);
ColorConverter oColorConverter = new ColorConverter();
oLabelUserSettings.Font = (Font)
( new FontConverter() ).ConvertFromInvariantString(asStrings[0] );
oLabelUserSettings.VertexLabelFillColor = (Color)
oColorConverter.ConvertFromInvariantString(asStrings[1] );
oLabelUserSettings.VertexLabelPosition = (VertexLabelPosition)
Enum.Parse( typeof(VertexLabelPosition), asStrings[2] );
oLabelUserSettings.VertexLabelMaximumLength =
MathUtil.ParseCultureInvariantInt32( asStrings[3] );
oLabelUserSettings.EdgeLabelMaximumLength =
MathUtil.ParseCultureInvariantInt32(asStrings[4]);
if (asStrings.Length > 5)
{
// Edge label text color wasn't added until version 1.0.1.154.
oLabelUserSettings.EdgeLabelTextColor = (Color)
oColorConverter.ConvertFromInvariantString(asStrings[5] );
}
if (asStrings.Length > 6)
{
// Vertex label wrapping wasn't added until version 1.0.1.175.
oLabelUserSettings.VertexLabelWrapText =
Boolean.Parse( asStrings[6] );
oLabelUserSettings.VertexLabelWrapMaxTextWidth =
MathUtil.ParseCultureInvariantDouble( asStrings[7] );
}
if (asStrings.Length > 8)
{
// Group label text color and alpha weren't added until version
// 1.0.1.190.
oLabelUserSettings.GroupLabelTextColor = (Color)
oColorConverter.ConvertFromInvariantString( asStrings[8] );
oLabelUserSettings.GroupLabelTextAlpha =
MathUtil.ParseCultureInvariantSingle( asStrings[9] );
}
if (asStrings.Length > 10)
{
// Group label position wasn't added until version 1.0.1.215.
oLabelUserSettings.GroupLabelPosition = (VertexLabelPosition)
Enum.Parse( typeof(VertexLabelPosition), asStrings[10] );
}
return (oLabelUserSettings);
}
Copy()
{
AssertValid();
LabelUserSettings oCopy = new LabelUserSettings();
oCopy.Font = this.Font;
oCopy.VertexLabelFillColor = this.VertexLabelFillColor;
oCopy.VertexLabelPosition = this.VertexLabelPosition;
oCopy.VertexLabelMaximumLength = this.VertexLabelMaximumLength;
oCopy.VertexLabelWrapText = this.VertexLabelWrapText;
oCopy.VertexLabelWrapMaxTextWidth = this.VertexLabelWrapMaxTextWidth;
oCopy.EdgeLabelTextColor = this.EdgeLabelTextColor;
oCopy.EdgeLabelMaximumLength = this.EdgeLabelMaximumLength;
oCopy.GroupLabelTextColor = this.GroupLabelTextColor;
oCopy.GroupLabelTextAlpha = this.GroupLabelTextAlpha;
oCopy.GroupLabelPosition = this.GroupLabelPosition;
return (oCopy);
}
ConvertFrom
(
ITypeDescriptorContext context,
CultureInfo culture,
Object value
)
{
Debug.Assert(value != null);
Debug.Assert(value is String);
AssertValid();
LabelUserSettings oLabelUserSettings = new LabelUserSettings();
String [] asStrings = ((String)value).Split(new Char[] { '\t' });
Debug.Assert(asStrings.Length >= 5);
ColorConverter oColorConverter = new ColorConverter();
oLabelUserSettings.VertexFont = InvariantStringToFont(asStrings[0]);
oLabelUserSettings.VertexLabelFillColor = (Color)
oColorConverter.ConvertFromInvariantString(asStrings[1]);
oLabelUserSettings.VertexLabelPosition = (VertexLabelPosition)
Enum.Parse(typeof(VertexLabelPosition), asStrings[2]);
oLabelUserSettings.VertexLabelMaximumLength =
MathUtil.ParseCultureInvariantInt32(asStrings[3]);
oLabelUserSettings.EdgeLabelMaximumLength =
MathUtil.ParseCultureInvariantInt32(asStrings[4]);
if (asStrings.Length > 5)
{
// Edge label text color wasn't added until version 1.0.1.154.
oLabelUserSettings.EdgeLabelTextColor = (Color)
oColorConverter.ConvertFromInvariantString(asStrings[5]);
}
if (asStrings.Length > 6)
{
// Vertex label wrapping wasn't added until version 1.0.1.175.
oLabelUserSettings.VertexLabelWrapText =
Boolean.Parse(asStrings[6]);
oLabelUserSettings.VertexLabelWrapMaxTextWidth =
MathUtil.ParseCultureInvariantDouble(asStrings[7]);
}
if (asStrings.Length > 8)
{
// Group label text color and alpha weren't added until version
// 1.0.1.190.
oLabelUserSettings.GroupLabelTextColor = (Color)
oColorConverter.ConvertFromInvariantString(asStrings[8]);
oLabelUserSettings.GroupLabelTextAlpha =
MathUtil.ParseCultureInvariantSingle(asStrings[9]);
}
if (asStrings.Length > 10)
{
// Group label position wasn't added until version 1.0.1.215.
oLabelUserSettings.GroupLabelPosition = (VertexLabelPosition)
Enum.Parse(typeof(VertexLabelPosition), asStrings[10]);
}
if (asStrings.Length > 11)
{
// Prior to version 1.0.1.328, there was just one "Font" property
// that applied to vertex and edge labels. Group labels used a
// hard-coded font.
//
// In version 1.0.1.328, "Font" was renamed to VertexFont, and
// EdgeFone and GroupFont properties were added.
oLabelUserSettings.EdgeFont =
InvariantStringToFont(asStrings[11]);
oLabelUserSettings.GroupFont =
InvariantStringToFont(asStrings[12]);
}
else
{
// When opening an older workbook, use the old "Font" property
// (which is now VertexFont) for both vertex and edge labels. For
// group labels, use GeneralUserSettings.DefaultGroupLabelFont,
// which is what group labels used prior to version 1.0.1.328.
oLabelUserSettings.EdgeFont =
(Font)oLabelUserSettings.VertexFont.Clone();
}
return(oLabelUserSettings);
}