private void ProcessAcronym(HtmlEnumerator en)
{
// Transform the inline acronym/abbreviation to a reference to a foot note.
string title = en.Attributes["title"];
if (title == null) return;
AlternateProcessHtmlChunks(en, en.ClosingCurrentTag);
if (elements.Count > 0 && elements[0] is Run)
{
string defaultRefStyle, runStyle;
FootnoteEndnoteReferenceType reference;
if (this.AcronymPosition == AcronymPosition.PageEnd)
{
reference = new FootnoteReference() { Id = AddFootnoteReference(title) };
defaultRefStyle = "footnote text";
runStyle = "footnote reference";
}
else
{
reference = new EndnoteReference() { Id = AddEndnoteReference(title) };
defaultRefStyle = "endnote text";
runStyle = "endnote reference";
}
Run run;
elements.Add(
run = new Run(
new RunProperties
{
RunStyle = new RunStyle() { Val = htmlStyles.GetStyle(runStyle, StyleValues.Character) }
},
reference));
if (!htmlStyles.DoesStyleExists(defaultRefStyle))
{
// Force the superscript style because if the footnote text style does not exists,
// the rendering will be awful.
run.InsertInProperties(prop =>
prop.VerticalTextAlignment = new VerticalTextAlignment() { Val = VerticalPositionValues.Superscript });
}
}
}
private void ProcessImage(HtmlEnumerator en)
{
if (this.ImageProcessing == ImageProcessing.Ignore) return;
Drawing drawing = null;
wBorder border = new wBorder() { Val = BorderValues.None };
string src = en.Attributes["src"];
Uri uri;
if (src != null && Uri.TryCreate(src, UriKind.RelativeOrAbsolute, out uri))
{
string alt = en.Attributes["alt"];
bool process = true;
if (!uri.IsAbsoluteUri && this.BaseImageUrl != null)
uri = new Uri(this.BaseImageUrl, uri);
Size preferredSize = Size.Empty;
if (en.Attributes["width"] != null || en.Attributes["height"] != null)
{
Unit wu = en.Attributes.GetAsUnit("width");
Unit hu = en.Attributes.GetAsUnit("height");
// % is not supported
if (wu.IsValid && wu.Value > 0 && wu.Type != UnitMetric.Percent)
{
preferredSize.Width = wu.ValueInPx;
}
if (hu.IsValid && hu.Value > 0 && wu.Type != UnitMetric.Percent)
{
// Image perspective skewed. Bug fixed by ddeforge on http://notesforhtml2openxml.codeplex.com/discussions/350500
preferredSize.Height = hu.ValueInPx;
}
}
SideBorder attrBorder = en.StyleAttributes.GetAsSideBorder("border");
if (attrBorder.IsValid)
{
border.Val = attrBorder.Style;
border.Color = attrBorder.Color.ToHexString();
border.Size = (uint) attrBorder.Width.ValueInPx * 4;
}
if (process)
drawing = AddImagePart(uri, src, alt, preferredSize);
}
if (drawing != null)
{
Run run = new Run(drawing);
if (border.Val != BorderValues.None) run.InsertInProperties(border);
elements.Add(run);
}
}
/// <summary>
/// Add a note to the FootNotes part and ensure it exists.
/// </summary>
/// <param name="description">The description of an acronym, abbreviation, some book references, ...</param>
/// <returns>Returns the id of the footnote reference.</returns>
private int AddFootnoteReference(string description)
{
FootnotesPart fpart = mainPart.FootnotesPart;
if (fpart == null)
fpart = mainPart.AddNewPart<FootnotesPart>();
if (fpart.Footnotes == null)
{
// Insert a new Footnotes reference
new Footnotes(
new Footnote(
new Paragraph(
new ParagraphProperties(
new SpacingBetweenLines() { After = "0", Line = "240", LineRule = LineSpacingRuleValues.Auto }),
new Run(
new SeparatorMark())
)
) { Type = FootnoteEndnoteValues.Separator, Id = -1 },
new Footnote(
new Paragraph(
new ParagraphProperties(
new SpacingBetweenLines() { After = "0", Line = "240", LineRule = LineSpacingRuleValues.Auto }),
new Run(
new ContinuationSeparatorMark())
)
) { Type = FootnoteEndnoteValues.ContinuationSeparator, Id = 0 }).Save(fpart);
footnotesRef = 1;
}
else
{
// The footnotesRef Id is a required field and should be unique. You can assign yourself some hard-coded
// value but that's absolutely not safe. We will loop through the existing Footnote
// to retrieve the highest Id.
foreach (var p in fpart.Footnotes.Elements<Footnote>())
{
if (p.Id.HasValue && p.Id > footnotesRef) footnotesRef = (int) p.Id.Value;
}
footnotesRef++;
}
Run markerRun;
fpart.Footnotes.Append(
new Footnote(
new Paragraph(
new ParagraphProperties(
new ParagraphStyleId() { Val = htmlStyles.GetStyle("footnote text", false) }),
markerRun = new Run(
new RunProperties(
new RunStyle() { Val = htmlStyles.GetStyle("footnote reference", true) }),
new FootnoteReferenceMark()),
new Run(
// Word insert automatically a space before the definition to separate the reference number
// with its description
new Text(" " + description) { Space = SpaceProcessingModeValues.Preserve })
)
) { Id = footnotesRef });
if (!htmlStyles.DoesStyleExists("footnote reference"))
{
// Force the superscript style because if the footnote text style does not exists,
// the rendering will be awful.
markerRun.InsertInProperties(new VerticalTextAlignment() { Val = VerticalPositionValues.Superscript });
}
fpart.Footnotes.Save();
return footnotesRef;
}
private void ProcessImage(HtmlEnumerator en)
{
if (this.ImageProcessing == ImageProcessing.Ignore) return;
Drawing drawing = null;
wBorder border = new wBorder() { Val = BorderValues.None };
string src = en.Attributes["src"];
Uri uri = null;
// Bug reported by Erik2014. Inline 64 bit images can be too big and Uri.TryCreate will fail silently with a SizeLimit error.
// To circumvent this buffer size, we will work either on the Uri, either on the original src.
if (src != null && (DataUri.IsWellFormed(src) || Uri.TryCreate(src, UriKind.RelativeOrAbsolute, out uri)))
{
string alt = (en.Attributes["title"] ?? en.Attributes["alt"]) ?? String.Empty;
bool process = true;
if (uri != null && !uri.IsAbsoluteUri && this.BaseImageUrl != null)
uri = new Uri(this.BaseImageUrl, uri);
Size preferredSize = Size.Empty;
Unit wu = en.Attributes.GetAsUnit("width");
if (!wu.IsValid) wu = en.StyleAttributes.GetAsUnit("width");
Unit hu = en.Attributes.GetAsUnit("height");
if (!hu.IsValid) hu = en.StyleAttributes.GetAsUnit("height");
// % is not supported
if (wu.IsFixed && wu.Value > 0)
{
preferredSize.Width = wu.ValueInPx;
}
if (hu.IsFixed && hu.Value > 0)
{
// Image perspective skewed. Bug fixed by ddeforge on http://html2openxml.codeplex.com/discussions/350500
preferredSize.Height = hu.ValueInPx;
}
SideBorder attrBorder = en.StyleAttributes.GetAsSideBorder("border");
if (attrBorder.IsValid)
{
border.Val = attrBorder.Style;
border.Color = attrBorder.Color.ToHexString();
border.Size = (uint)attrBorder.Width.ValueInPx * 4;
}
if (process)
drawing = AddImagePart(uri, src, alt, preferredSize);
}
if (drawing != null)
{
Run run = new Run(drawing);
if (border.Val != BorderValues.None) run.InsertInProperties(prop => prop.Border = border);
elements.Add(run);
}
}
/// <summary>
/// Add a note to the FootNotes part and ensure it exists.
/// </summary>
/// <param name="description">The description of an acronym, abbreviation, some book references, ...</param>
/// <returns>Returns the id of the footnote reference.</returns>
private int AddFootnoteReference(string description)
{
FootnotesPart fpart = mainPart.FootnotesPart;
if (fpart == null)
fpart = mainPart.AddNewPart<FootnotesPart>();
if (fpart.Footnotes == null)
{
// Insert a new Footnotes reference
new Footnotes(
new Footnote(
new Paragraph(
new ParagraphProperties {
SpacingBetweenLines = new SpacingBetweenLines() { After = "0", Line = "240", LineRule = LineSpacingRuleValues.Auto }
},
new Run(
new SeparatorMark())
)
) { Type = FootnoteEndnoteValues.Separator, Id = -1 },
new Footnote(
new Paragraph(
new ParagraphProperties {
SpacingBetweenLines = new SpacingBetweenLines() { After = "0", Line = "240", LineRule = LineSpacingRuleValues.Auto }
},
new Run(
new ContinuationSeparatorMark())
)
) { Type = FootnoteEndnoteValues.ContinuationSeparator, Id = 0 }).Save(fpart);
footnotesRef = 1;
}
else
{
// The footnotesRef Id is a required field and should be unique. You can assign yourself some hard-coded
// value but that's absolutely not safe. We will loop through the existing Footnote
// to retrieve the highest Id.
foreach (var fn in fpart.Footnotes.Elements<Footnote>())
{
if (fn.Id.HasValue && fn.Id > footnotesRef) footnotesRef = (int) fn.Id.Value;
}
footnotesRef++;
}
Run markerRun;
Paragraph p;
fpart.Footnotes.Append(
new Footnote(
p = new Paragraph(
new ParagraphProperties {
ParagraphStyleId = new ParagraphStyleId() { Val = htmlStyles.GetStyle("footnote text", StyleValues.Paragraph) }
},
markerRun = new Run(
new RunProperties {
RunStyle = new RunStyle() { Val = htmlStyles.GetStyle("footnote reference", StyleValues.Character) }
},
new FootnoteReferenceMark()),
new Run(
// Word insert automatically a space before the definition to separate the
// reference number with its description
new Text(" ") { Space = SpaceProcessingModeValues.Preserve })
)
) { Id = footnotesRef });
// Description in footnote reference can be plain text or a web protocols/file share (like \\server01)
Uri uriReference;
Regex linkRegex = new Regex(@"^((https?|ftps?|mailto|file)://|[\\]{2})(?:[\w][\w.-]?)");
if (linkRegex.IsMatch(description) && Uri.TryCreate(description, UriKind.Absolute, out uriReference))
{
HyperlinkRelationship extLink = fpart.AddHyperlinkRelationship(uriReference, true);
var h = new Hyperlink(
) { History = true, Id = extLink.Id };
htmlStyles.EnsureKnownStyle(HtmlDocumentStyle.KnownStyles.Hyperlink);
h.Append(new Run(
new RunProperties {
RunStyle = new RunStyle() { Val = htmlStyles.GetStyle("Hyperlink", StyleValues.Character) }
},
new Text(description)));
p.Append(h);
}
else
{
p.Append(new Run(
new Text(description) { Space = SpaceProcessingModeValues.Preserve }));
}
if (!htmlStyles.DoesStyleExists("footnote reference"))
{
// Force the superscript style because if the footnote text style does not exists,
// the rendering will be awful.
markerRun.InsertInProperties(prop =>
prop.VerticalTextAlignment = new VerticalTextAlignment() { Val = VerticalPositionValues.Superscript });
}
fpart.Footnotes.Save();
return footnotesRef;
}
