/// <summary>
/// 删除元素列表中自动创建的段落标记元素
/// </summary>
/// <param name="elements">文档元素列表</param>
/// <returns>操作是否改变了列表内容</returns>
public static bool RemoveAutoCreateParagraphFlag(DomElementList elements)
{
if (elements != null && elements.Count > 0)
{
if (elements.LastElement is DomParagraphFlagElement)
{
DomParagraphFlagElement p = (DomParagraphFlagElement)elements.LastElement;
if (p.AutoCreate)
{
elements.RemoveAt(elements.Count - 1);
return(true);
}
}
}
return(false);
}
/// <summary>
/// 添加段落
/// </summary>
/// <param name="style">段落样式</param>
/// <returns>新增的段落标记元素</returns>
public DomParagraphFlagElement AppendParagraphFlag(DocumentContentStyle style)
{
DomParagraphFlagElement flag = new DomParagraphFlagElement();
flag.OwnerDocument = this.Document;
flag.Parent = this.Container;
DocumentContentStyle rs = style == null ? this.ParagraphStyle : style;
if (this.EnableAddPermissionFlag)
{
rs = ( DocumentContentStyle )rs.Clone();
rs.CreatorIndex = this.Document.UserHistories.CurrentIndex;
rs.DeleterIndex = -1;
}
flag.Style = style;
this.Append(flag);
return(flag);
}
private void CreateElements(
HTMLElement rootHtmlElement,
DomElement rootDomElement,
DocumentContentStyle currentStyle)
{
if (rootHtmlElement.ChildNodes == null)
{
return;
}
foreach (HTMLElement element in rootHtmlElement.ChildNodes)
{
if (element is HTMLCommentElement)
{
// 忽略注释
continue;
}
string tagName = element.FixTagName;
switch (tagName)
{
case "div":
{
CreateElements(element, rootDomElement, currentStyle);
DomElement p = this.DomDocument.CreateElement(typeof(DomParagraphFlagElement));
p.StyleIndex = this.DomDocument.ContentStyles.GetStyleIndex(currentStyle);
rootDomElement.Elements.Add(p);
}
break;
case "ul": // 原点式列表
case "ol": // 数值式列表
foreach (HTMLElement li in element.ChildNodes)
{
if (li.FixTagName == "li")
{
CreateElements(li, rootDomElement, currentStyle);
DomParagraphFlagElement flag = (DomParagraphFlagElement)this.DomDocument.CreateElement(typeof(DomParagraphFlagElement));
DocumentContentStyle s = (DocumentContentStyle)currentStyle.Clone();
if (tagName == "ul")
{
s.BulletedList = true;
}
else
{
s.NumberedList = true;
}
flag.StyleIndex = this.DomDocument.ContentStyles.GetStyleIndex(s);
rootDomElement.Elements.Add(flag);
} //if
} //foreach
break;
case "pre":
{
// 预览文本
DocumentContentStyle s = CreateStyle(element, currentStyle);
DomElementList list = this.DomDocument.CreateTextElements(element.InnerText, null, s);
rootDomElement.Elements.AddRange(list);
DomElement p = this.DomDocument.CreateElement(typeof(DomParagraphFlagElement));
p.StyleIndex = this.DomDocument.ContentStyles.GetStyleIndex(currentStyle);
rootDomElement.Elements.Add(p);
break;
}
case "img":
{
// 图片
DocumentContentStyle s = CreateStyle(element, currentStyle);
s.BorderColor = Color.Black;
s.BorderLeft = true;
s.BorderTop = true;
s.BorderRight = true;
s.BorderBottom = true;
s.BorderWidth = 0;
if (element.HasAttribute("border"))
{
s.BorderWidth = ToInt32(element.GetAttribute("border"));
}
DomImageElement img = (DomImageElement)this.DomDocument.CreateElement(typeof(DomImageElement));
img.StyleIndex = this.DomDocument.ContentStyles.GetStyleIndex(s);
if (element.HasAttribute("width"))
{
img.Width = (float )ToLength(element.GetAttribute("width"));
}
if (element.HasAttribute("height"))
{
img.Height = ( float )ToLength(element.GetAttribute("height"));
}
if (element.HasAttribute("id"))
{
img.ID = element.GetAttribute("id");
}
if (element.HasAttribute("alt"))
{
img.Alt = element.GetAttribute("alt");
}
if (element.HasAttribute("title"))
{
img.Title = element.GetAttribute("title");
}
if (element.HasAttribute("src"))
{
XImageValue v = new XImageValue();
string url = this.HtmlDocument.GetAbsoluteURL(element.GetAttribute("src"));
try
{
string msg = string.Format(WriterStrings.Downloading_URL, url);
if (this.DomDocument.EditorControl != null)
{
this.DomDocument.EditorControl.SetStatusText(msg);
}
if (this.DomDocument.Options.BehaviorOptions.DebugMode)
{
System.Diagnostics.Debug.Write(msg);
}
int len = v.Load(url);
if (this.DomDocument.Options.BehaviorOptions.DebugMode)
{
System.Diagnostics.Debug.WriteLine(WriterUtils.FormatByteSize(len));
}
}
catch (Exception ext)
{
img.Alt = url + ":" + ext.Message;
if (this.DomDocument.Options.BehaviorOptions.DebugMode)
{
System.Diagnostics.Debug.WriteLine(WriterStrings.Fail);
}
}
if (this.DomDocument.EditorControl != null)
{
this.DomDocument.EditorControl.SetStatusText(null);
}
if (v.HasContent == false)
{
img.Alt = url;
if (img.Width == 0)
{
img.Width = 300;
}
if (img.Height == 0)
{
img.Height = 150;
}
}
img.Image = v;
}
if (img.Width == 0 || img.Height == 0)
{
img.UpdateSize();
}
rootDomElement.Elements.Add(img);
}
break;
case "#text":
{
// 纯文本片段
string text = DCSoft.Common.StringFormatHelper.NormalizeSpace(element.Text);
text = System.Web.HttpUtility.HtmlDecode(text);
if (string.IsNullOrEmpty(text) == false)
{
DomElementList cs = this._DomDocument.CreateTextElements(
text,
currentStyle,
currentStyle);
if (cs != null && cs.Count > 0)
{
rootDomElement.Elements.AddRange(cs);
}
}
}
break;
case "p":
{
// 段落
DocumentContentStyle ps = CreateStyle(element, currentStyle);
CreateElements(element, rootDomElement, ps);
DomParagraphFlagElement flag = ( DomParagraphFlagElement )_DomDocument.CreateElement(typeof(DomParagraphFlagElement));
flag.StyleIndex = _DomDocument.ContentStyles.GetStyleIndex(ps);
rootDomElement.Elements.Add(flag);
}
break;
case "br":
{
// 软回车
DomLineBreakElement lb = (DomLineBreakElement)_DomDocument.CreateElement(typeof(DomLineBreakElement));
rootDomElement.Elements.Add(lb);
}
break;
case "sup":
{
// 上标
DocumentContentStyle ss = ( DocumentContentStyle )currentStyle.Clone();
ss.Superscript = true;
CreateElements(element, rootDomElement, ss);
}
break;
case "sub":
{
// 下标
DocumentContentStyle ss = (DocumentContentStyle)currentStyle.Clone();
ss.Subscript = true;
CreateElements(element, rootDomElement, ss);
}
break;
case "strong":
case "b":
{
// 粗体
DocumentContentStyle ss = (DocumentContentStyle)currentStyle.Clone();
ss.Bold = true;
CreateElements(element, rootDomElement, ss);
}
break;
case "i":
{
// 斜体
DocumentContentStyle ss = (DocumentContentStyle)currentStyle.Clone();
ss.Italic = true;
CreateElements(element, rootDomElement, ss);
}
break;
case "strike":
{
// 删除线
DocumentContentStyle ss = (DocumentContentStyle)currentStyle.Clone();
ss.Strikeout = true;
CreateElements(element, rootDomElement, ss);
}
break;
case "a":
{
// 超链接
DocumentContentStyle ss = (DocumentContentStyle)currentStyle.Clone();
ss.Color = Color.Blue;
CreateElements(element, rootDomElement, ss);
}
break;
case "font":
{
// 字体
DocumentContentStyle ss = CreateStyle(element, currentStyle);
if (element.HasAttribute("color"))
{
// 文字颜色
ss.Color = ToColor(element.GetAttribute("color"), Color.Black);
}
if (element.HasAttribute("face"))
{
// 字体名称
ss.FontName = GetFontName(element.GetAttribute("face"));
}
if (element.HasAttribute("size"))
{
// 文字大小
int size = ToInt32(element.GetAttribute("size"));
switch (size)
{
case 1: ss.FontSize = 7; break;
case 2: ss.FontSize = 10; break;
case 3: ss.FontSize = 12; break;
case 4: ss.FontSize = 14; break;
case 5: ss.FontSize = 18; break;
case 6: ss.FontSize = 24; break;
case 7: ss.FontSize = 35; break;
}
}
CreateElements(element, rootDomElement, ss);
}
break;
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
{
// 标题
rootDomElement.Elements.Add(this.DomDocument.CreateElement(typeof(DomParagraphFlagElement)));
float fz = 9;
switch (tagName)
{
case "h1": fz = 24; break;
case "h2": fz = 18; break;
case "h3": fz = 13; break;
case "h4": fz = 12; break;
case "h5": fz = 10; break;
case "h6": fz = 8; break;
}
DocumentContentStyle ss = CreateStyle(element, currentStyle);
if (XDependencyObject.HasPropertyValue(ss, "FontSize"))
{
ss.FontSize = fz;
}
CreateElements(element, rootDomElement, ss);
rootDomElement.Elements.Add(this.DomDocument.CreateElement(typeof(DomParagraphFlagElement)));
}
break;
default:
{
DocumentContentStyle ds = CreateStyle(element, (DocumentContentStyle)currentStyle);
CreateElements(element, rootDomElement, ds);
}
break;
} //switch
} //foreach
}
private void ReadContent(
RTFDomElement parentNode,
DomDocument doc,
DomElementList result,
DocumentFormatInfo format)
{
if (format == null)
{
format = new DocumentFormatInfo();
}
//if ( parentNode == null || parentNode.Elements == null)
//{
// System.Console.WriteLine("");
// return;
//}
foreach (RTFDomElement element in parentNode.Elements)
{
if (element is RTFDomHeader)
{
if (((RTFDomHeader)element).HasContentElement)
{
XTextDocumentHeaderElement header = new XTextDocumentHeaderElement();
doc.PageSettings.HeaderDistance = (int)(GraphicsUnitConvert.FromTwips(
(double)this._RTFDocument.HeaderDistance,
GraphicsUnit.Inch) * 100.0);
result.Add(header);
ReadContent(element, doc, header.Elements, format);
}
}
else if (element is RTFDomFooter)
{
if (((RTFDomFooter)element).HasContentElement)
{
XTextDocumentFooterElement footer = new XTextDocumentFooterElement();
doc.PageSettings.FooterDistance = (int)(GraphicsUnitConvert.FromTwips(
(double)this._RTFDocument.FooterDistance,
GraphicsUnit.Inch) * 100.0);
result.Add(footer);
ReadContent(element, doc, footer.Elements, format);
}
}
else if (element is RTFDomParagraph)
{
RTFDomParagraph domP = (RTFDomParagraph)element;
//XTextParagraph p = new XTextParagraph();
//p.OwnerDocument = doc;
DocumentContentStyle style = ToDocumentContentStyle(
domP.Format,
doc.DocumentGraphicsUnit);
ReadContent(element, doc, result, domP.Format);
if (domP.IsTemplateGenerated == false ||
this.ImportTemplateGenerateParagraph)
{
DomParagraphFlagElement eof = new DomParagraphFlagElement();
eof.StyleIndex = doc.ContentStyles.GetStyleIndex(style);
result.Add(eof);
}
}
else if (element is RTFDomText)
{
RTFDomText domText = (RTFDomText)element;
if (domText.Format.Hidden == false &&
domText.Text != null &&
domText.Text.Length > 0)
{
DocumentContentStyle style = ToDocumentContentStyle(
domText.Format,
doc.DocumentGraphicsUnit);
int si = doc.ContentStyles.GetStyleIndex(style);
result.AddRange(doc.CreateChars(domText.Text, si));
}
}
else if (element is RTFDomImage)
{
// 插入图片
RTFDomImage domImg = (RTFDomImage)element;
DomImageElement img = new DomImageElement();
img.OwnerDocument = doc;
img.Image = new XImageValue(domImg.Data);
DocumentContentStyle style = ToDocumentContentStyle(
domImg.Format,
doc.DocumentGraphicsUnit);
img.StyleIndex = doc.ContentStyles.GetStyleIndex(style);
img.Width = GraphicsUnitConvert.FromTwips(domImg.Width, doc.DocumentGraphicsUnit);
img.Height = GraphicsUnitConvert.FromTwips(domImg.Height, doc.DocumentGraphicsUnit);
result.Add(img);
}
else if (element is RTFDomShape)
{
}
else if (element is RTFDomShapeGroup)
{
}
else if (element is RTFDomLineBreak)
{
// 软回车
result.Add(new DomLineBreakElement());// doc.CreateLineBreak());
}
else if (element.Elements != null &&
element.Elements.Count > 0)
{
ReadContent(element, doc, result, format.Clone());
}
}//foreach
}