/**
* Signals that an <CODE>Element</CODE> was added to the <CODE>Document</CODE>.
*
* @return <CODE>true</CODE> if the element was added, <CODE>false</CODE> if not.
* @throws DocumentException when a document isn't open yet, or has been closed
*/
public override bool Add(IElement element)
{
if (pause)
{
return(false);
}
if (open && !element.IsContent())
{
throw new DocumentException("The document is open; you can only add Elements with content.");
}
switch (element.Type)
{
case Element.HEADER:
try {
Header h = (Header)element;
if (HtmlTags.STYLESHEET.Equals(h.Name))
{
WriteLink(h);
}
else if (HtmlTags.JAVASCRIPT.Equals(h.Name))
{
WriteJavaScript(h);
}
else
{
WriteHeader(h);
}
}
catch (InvalidCastException) {
}
return(true);
case Element.SUBJECT:
case Element.KEYWORDS:
case Element.AUTHOR:
Meta meta = (Meta)element;
WriteHeader(meta);
return(true);
case Element.TITLE:
AddTabs(2);
WriteStart(HtmlTags.TITLE);
os.WriteByte(GT);
AddTabs(3);
Write(HtmlEncoder.Encode(((Meta)element).Content));
AddTabs(2);
WriteEnd(HtmlTags.TITLE);
return(true);
case Element.CREATOR:
WriteComment("Creator: " + HtmlEncoder.Encode(((Meta)element).Content));
return(true);
case Element.PRODUCER:
WriteComment("Producer: " + HtmlEncoder.Encode(((Meta)element).Content));
return(true);
case Element.CREATIONDATE:
WriteComment("Creationdate: " + HtmlEncoder.Encode(((Meta)element).Content));
return(true);
case Element.MARKED:
if (element is MarkedSection)
{
MarkedSection ms = (MarkedSection)element;
AddTabs(1);
WriteStart(HtmlTags.DIV);
WriteMarkupAttributes(ms.MarkupAttributes);
os.WriteByte(GT);
MarkedObject mo = ((MarkedSection)element).Title;
if (mo != null)
{
markup = mo.MarkupAttributes;
mo.Process(this);
}
ms.Process(this);
WriteEnd(HtmlTags.DIV);
return(true);
}
else
{
MarkedObject mo = (MarkedObject)element;
markup = mo.MarkupAttributes;
return(mo.Process(this));
}
default:
Write(element, 2);
return(true);
}
}
/**
* Writes the HTML representation of an element.
*
* @param element the element
* @param indent the indentation
*/
protected void Write(IElement element, int indent)
{
itextProperties styleAttributes = null;
switch (element.Type)
{
case Element.MARKED: {
try {
Add(element);
} catch (DocumentException) {
}
return;
}
case Element.CHUNK: {
Chunk chunk = (Chunk)element;
// if the chunk contains an image, return the image representation
Image image = chunk.GetImage();
if (image != null)
{
Write(image, indent);
return;
}
if (chunk.IsEmpty())
{
return;
}
Hashtable attributes = chunk.Attributes;
if (attributes != null && attributes[Chunk.NEWPAGE] != null)
{
return;
}
bool tag = IsOtherFont(chunk.Font) || markup.Count > 0;
if (tag)
{
// start span tag
AddTabs(indent);
WriteStart(HtmlTags.SPAN);
if (IsOtherFont(chunk.Font))
{
Write(chunk.Font, null);
}
WriteMarkupAttributes(markup);
os.WriteByte(GT);
}
if (attributes != null && attributes[Chunk.SUBSUPSCRIPT] != null)
{
// start sup or sub tag
if ((float)attributes[Chunk.SUBSUPSCRIPT] > 0)
{
WriteStart(HtmlTags.SUP);
}
else
{
WriteStart(HtmlTags.SUB);
}
os.WriteByte(GT);
}
// contents
Write(HtmlEncoder.Encode(chunk.Content));
if (attributes != null && attributes[Chunk.SUBSUPSCRIPT] != null)
{
// end sup or sub tag
os.WriteByte(LT);
os.WriteByte(FORWARD);
if ((float)attributes[Chunk.SUBSUPSCRIPT] > 0)
{
Write(HtmlTags.SUP);
}
else
{
Write(HtmlTags.SUB);
}
os.WriteByte(GT);
}
if (tag)
{
// end tag
WriteEnd(Markup.HTML_TAG_SPAN);
}
return;
}
case Element.PHRASE: {
Phrase phrase = (Phrase)element;
styleAttributes = new itextProperties();
if (phrase.HasLeading())
{
styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = phrase.Leading.ToString() + "pt";
}
// start tag
AddTabs(indent);
WriteStart(Markup.HTML_TAG_SPAN);
WriteMarkupAttributes(markup);
Write(phrase.Font, styleAttributes);
os.WriteByte(GT);
currentfont.Push(phrase.Font);
// contents
foreach (IElement i in phrase)
{
Write(i, indent + 1);
}
// end tag
AddTabs(indent);
WriteEnd(Markup.HTML_TAG_SPAN);
currentfont.Pop();
return;
}
case Element.ANCHOR: {
Anchor anchor = (Anchor)element;
styleAttributes = new itextProperties();
if (anchor.HasLeading())
{
styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = anchor.Leading.ToString() + "pt";
}
// start tag
AddTabs(indent);
WriteStart(HtmlTags.ANCHOR);
if (anchor.Name != null)
{
Write(HtmlTags.NAME, anchor.Name);
}
if (anchor.Reference != null)
{
Write(HtmlTags.REFERENCE, anchor.Reference);
}
WriteMarkupAttributes(markup);
Write(anchor.Font, styleAttributes);
os.WriteByte(GT);
currentfont.Push(anchor.Font);
// contents
foreach (IElement i in anchor)
{
Write(i, indent + 1);
}
// end tag
AddTabs(indent);
WriteEnd(HtmlTags.ANCHOR);
currentfont.Pop();
return;
}
case Element.PARAGRAPH: {
Paragraph paragraph = (Paragraph)element;
styleAttributes = new itextProperties();
if (paragraph.HasLeading())
{
styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = paragraph.TotalLeading.ToString() + "pt";
}
// start tag
AddTabs(indent);
WriteStart(HtmlTags.DIV);
WriteMarkupAttributes(markup);
String alignment = HtmlEncoder.GetAlignment(paragraph.Alignment);
if (!"".Equals(alignment))
{
Write(HtmlTags.ALIGN, alignment);
}
Write(paragraph.Font, styleAttributes);
os.WriteByte(GT);
currentfont.Push(paragraph.Font);
// contents
foreach (IElement i in paragraph)
{
Write(i, indent + 1);
}
// end tag
AddTabs(indent);
WriteEnd(HtmlTags.DIV);
currentfont.Pop();
return;
}
case Element.SECTION:
case Element.CHAPTER: {
// part of the start tag + contents
WriteSection((Section)element, indent);
return;
}
case Element.LIST: {
List list = (List)element;
// start tag
AddTabs(indent);
if (list.Numbered)
{
WriteStart(HtmlTags.ORDEREDLIST);
}
else
{
WriteStart(HtmlTags.UNORDEREDLIST);
}
WriteMarkupAttributes(markup);
os.WriteByte(GT);
// contents
foreach (IElement i in list.Items)
{
Write(i, indent + 1);
}
// end tag
AddTabs(indent);
if (list.Numbered)
{
WriteEnd(HtmlTags.ORDEREDLIST);
}
else
{
WriteEnd(HtmlTags.UNORDEREDLIST);
}
return;
}
case Element.LISTITEM: {
ListItem listItem = (ListItem)element;
styleAttributes = new itextProperties();
if (listItem.HasLeading())
{
styleAttributes[Markup.CSS_KEY_LINEHEIGHT] = listItem.TotalLeading.ToString() + "pt";
}
// start tag
AddTabs(indent);
WriteStart(HtmlTags.LISTITEM);
WriteMarkupAttributes(markup);
Write(listItem.Font, styleAttributes);
os.WriteByte(GT);
currentfont.Push(listItem.Font);
// contents
foreach (IElement i in listItem)
{
Write(i, indent + 1);
}
// end tag
AddTabs(indent);
WriteEnd(HtmlTags.LISTITEM);
currentfont.Pop();
return;
}
case Element.CELL: {
Cell cell = (Cell)element;
// start tag
AddTabs(indent);
if (cell.Header)
{
WriteStart(HtmlTags.HEADERCELL);
}
else
{
WriteStart(HtmlTags.CELL);
}
WriteMarkupAttributes(markup);
if (cell.BorderWidth != Rectangle.UNDEFINED)
{
Write(HtmlTags.BORDERWIDTH, cell.BorderWidth.ToString());
}
if (cell.BorderColor != null)
{
Write(HtmlTags.BORDERCOLOR, HtmlEncoder.Encode(cell.BorderColor));
}
if (cell.BackgroundColor != null)
{
Write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.Encode(cell.BackgroundColor));
}
String alignment = HtmlEncoder.GetAlignment(cell.HorizontalAlignment);
if (!"".Equals(alignment))
{
Write(HtmlTags.HORIZONTALALIGN, alignment);
}
alignment = HtmlEncoder.GetAlignment(cell.VerticalAlignment);
if (!"".Equals(alignment))
{
Write(HtmlTags.VERTICALALIGN, alignment);
}
if (cell.GetWidthAsString() != null)
{
Write(HtmlTags.WIDTH, cell.GetWidthAsString());
}
if (cell.Colspan != 1)
{
Write(HtmlTags.COLSPAN, cell.Colspan.ToString());
}
if (cell.Rowspan != 1)
{
Write(HtmlTags.ROWSPAN, cell.Rowspan.ToString());
}
if (cell.MaxLines == 1)
{
Write(HtmlTags.STYLE, "white-space: nowrap;");
}
os.WriteByte(GT);
// contents
if (cell.IsEmpty())
{
Write(NBSP);
}
else
{
foreach (IElement i in cell.Elements)
{
Write(i, indent + 1);
}
}
// end tag
AddTabs(indent);
if (cell.Header)
{
WriteEnd(HtmlTags.HEADERCELL);
}
else
{
WriteEnd(HtmlTags.CELL);
}
return;
}
case Element.ROW: {
Row row = (Row)element;
// start tag
AddTabs(indent);
WriteStart(HtmlTags.ROW);
WriteMarkupAttributes(markup);
os.WriteByte(GT);
// contents
IElement cell;
for (int i = 0; i < row.Columns; i++)
{
if ((cell = (IElement)row.GetCell(i)) != null)
{
Write(cell, indent + 1);
}
}
// end tag
AddTabs(indent);
WriteEnd(HtmlTags.ROW);
return;
}
case Element.TABLE: {
Table table;
try {
table = (Table)element;
}
catch (InvalidCastException) {
table = ((SimpleTable)element).CreateTable();
}
table.Complete();
// start tag
AddTabs(indent);
WriteStart(HtmlTags.TABLE);
WriteMarkupAttributes(markup);
os.WriteByte(SPACE);
Write(HtmlTags.WIDTH);
os.WriteByte(EQUALS);
os.WriteByte(QUOTE);
Write(table.Width.ToString(System.Globalization.CultureInfo.InvariantCulture));
if (!table.Locked)
{
Write("%");
}
os.WriteByte(QUOTE);
String alignment = HtmlEncoder.GetAlignment(table.Alignment);
if (!"".Equals(alignment))
{
Write(HtmlTags.ALIGN, alignment);
}
Write(HtmlTags.CELLPADDING, table.Cellpadding.ToString(System.Globalization.CultureInfo.InvariantCulture));
Write(HtmlTags.CELLSPACING, table.Cellspacing.ToString(System.Globalization.CultureInfo.InvariantCulture));
if (table.BorderWidth != Rectangle.UNDEFINED)
{
Write(HtmlTags.BORDERWIDTH, table.BorderWidth.ToString(System.Globalization.CultureInfo.InvariantCulture));
}
if (table.BorderColor != null)
{
Write(HtmlTags.BORDERCOLOR, HtmlEncoder.Encode(table.BorderColor));
}
if (table.BackgroundColor != null)
{
Write(HtmlTags.BACKGROUNDCOLOR, HtmlEncoder.Encode(table.BackgroundColor));
}
os.WriteByte(GT);
// contents
foreach (Row row in table)
{
Write(row, indent + 1);
}
// end tag
AddTabs(indent);
WriteEnd(HtmlTags.TABLE);
return;
}
case Element.ANNOTATION: {
Annotation annotation = (Annotation)element;
WriteComment(annotation.Title + ": " + annotation.Content);
return;
}
case Element.IMGRAW:
case Element.JPEG:
case Element.JPEG2000:
case Element.IMGTEMPLATE: {
Image image = (Image)element;
if (image.Url == null)
{
return;
}
// start tag
AddTabs(indent);
WriteStart(HtmlTags.IMAGE);
String path = image.Url.ToString();
if (imagepath != null)
{
if (path.IndexOf('/') > 0)
{
path = imagepath + path.Substring(path.LastIndexOf('/') + 1);
}
else
{
path = imagepath + path;
}
}
Write(HtmlTags.URL, path);
if ((image.Alignment & Image.RIGHT_ALIGN) > 0)
{
Write(HtmlTags.ALIGN, HtmlTags.ALIGN_RIGHT);
}
else if ((image.Alignment & Image.MIDDLE_ALIGN) > 0)
{
Write(HtmlTags.ALIGN, HtmlTags.ALIGN_MIDDLE);
}
else
{
Write(HtmlTags.ALIGN, HtmlTags.ALIGN_LEFT);
}
if (image.Alt != null)
{
Write(HtmlTags.ALT, image.Alt);
}
Write(HtmlTags.PLAINWIDTH, image.ScaledWidth.ToString());
Write(HtmlTags.PLAINHEIGHT, image.ScaledHeight.ToString());
WriteMarkupAttributes(markup);
WriteEnd();
return;
}
default:
return;
}
}
/**
* Writes the representation of a <CODE>Font</CODE>.
*
* @param font a <CODE>Font</CODE>
* @param styleAttributes the style of the font
*/
protected void Write(Font font, itextProperties styleAttributes)
{
if (font == null || !IsOtherFont(font) /*|| styleAttributes == null*/)
{
return;
}
Write(" ");
Write(HtmlTags.STYLE);
Write("=\"");
if (styleAttributes != null)
{
foreach (String key in styleAttributes.Keys)
{
WriteCssProperty(key, styleAttributes[key]);
}
}
if (IsOtherFont(font))
{
WriteCssProperty(Markup.CSS_KEY_FONTFAMILY, font.Familyname);
if (font.Size != Font.UNDEFINED)
{
WriteCssProperty(Markup.CSS_KEY_FONTSIZE, font.Size.ToString() + "pt");
}
if (font.Color != null)
{
WriteCssProperty(Markup.CSS_KEY_COLOR, HtmlEncoder.Encode(font.Color));
}
int fontstyle = font.Style;
BaseFont bf = font.BaseFont;
if (bf != null)
{
String ps = bf.PostscriptFontName.ToLower(CultureInfo.InvariantCulture);
if (ps.IndexOf("bold") >= 0)
{
if (fontstyle == Font.UNDEFINED)
{
fontstyle = 0;
}
fontstyle |= Font.BOLD;
}
if (ps.IndexOf("italic") >= 0 || ps.IndexOf("oblique") >= 0)
{
if (fontstyle == Font.UNDEFINED)
{
fontstyle = 0;
}
fontstyle |= Font.ITALIC;
}
}
if (fontstyle != Font.UNDEFINED && fontstyle != Font.NORMAL)
{
switch (fontstyle & Font.BOLDITALIC)
{
case Font.BOLD:
WriteCssProperty(Markup.CSS_KEY_FONTWEIGHT, Markup.CSS_VALUE_BOLD);
break;
case Font.ITALIC:
WriteCssProperty(Markup.CSS_KEY_FONTSTYLE, Markup.CSS_VALUE_ITALIC);
break;
case Font.BOLDITALIC:
WriteCssProperty(Markup.CSS_KEY_FONTWEIGHT, Markup.CSS_VALUE_BOLD);
WriteCssProperty(Markup.CSS_KEY_FONTSTYLE, Markup.CSS_VALUE_ITALIC);
break;
}
// CSS only supports one decoration tag so if both are specified
// only one of the two will display
if ((fontstyle & Font.UNDERLINE) > 0)
{
WriteCssProperty(Markup.CSS_KEY_TEXTDECORATION, Markup.CSS_VALUE_UNDERLINE);
}
if ((fontstyle & Font.STRIKETHRU) > 0)
{
WriteCssProperty(Markup.CSS_KEY_TEXTDECORATION, Markup.CSS_VALUE_LINETHROUGH);
}
}
}
Write("\"");
}