public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var a = (IHtmlAnchorElement)element;
if (a.ChildElementCount == 0)
{
var anchor = new Hyperlink
{
Foreground = new SolidColorBrush(Colors.LightBlue)
};
anchor.Click += async (sender, args) =>
{
var dialog = new MessageDialog(a.Href, "使用浏览器打开");
dialog.Commands.Add(new UICommand("确定", async cmd =>
{
var success = await Launcher.LaunchUriAsync(new Uri(a.Href, UriKind.Absolute));
if (success)
{
anchor.Foreground = new SolidColorBrush(Colors.Purple);
}
}));
dialog.Commands.Add(new UICommand("取消"));
await dialog.ShowAsync();
};
parent.Add(anchor);
context.RenderNode(element, new SpanContainer(anchor));
}
else
{
context.RenderNode(element,parent);
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var a = (IHtmlAnchorElement)element;
if (a.ChildElementCount == 0)
{
var anchor = new Hyperlink
{
Foreground = new SolidColorBrush(Colors.LightBlue)
};
anchor.Click += async(sender, args) =>
{
var dialog = new MessageDialog(a.Href, "使用浏览器打开");
dialog.Commands.Add(new UICommand("确定", async cmd =>
{
var success = await Launcher.LaunchUriAsync(new Uri(a.Href, UriKind.Absolute));
if (success)
{
anchor.Foreground = new SolidColorBrush(Colors.Purple);
}
}));
dialog.Commands.Add(new UICommand("取消"));
await dialog.ShowAsync();
};
parent.Add(anchor);
context.RenderNode(element, new SpanContainer(anchor));
}
else
{
context.RenderNode(element, parent);
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var richEditBox = new RichEditBox();
richEditBox.Document.SetText(TextSetOptions.None, element.TextContent);
parent.Add(richEditBox);
}
private static void ParseElement(XmlElement element, ITextContainer parent)
{
foreach (var child in element.ChildNodes)
{
if (child is Windows.Data.Xml.Dom.XmlText)
{
if (string.IsNullOrEmpty(child.InnerText) ||
child.InnerText == "\n")
{
continue;
}
parent.Add(new Run { Text = child.InnerText.Trim(new char[] {'\n'}) });
}
else if (child is XmlElement)
{
XmlElement e = (XmlElement)child;
switch (e.TagName.ToUpper())
{
case "P":
var paragraph = new Paragraph();
parent.Add(paragraph);
ParseElement(e, new ParagraphTextContainer(paragraph));
break;
case "STRONG":
var bold = new Bold();
parent.Add(bold);
ParseElement(e, new SpanTextContainer(bold));
break;
case "U":
var underline = new Underline();
parent.Add(underline);
ParseElement(e, new SpanTextContainer(underline));
break;
case "A":
var inlineElt = new InlineUIContainer();
var hyperlink = new HyperlinkButton();
inlineElt.Child = hyperlink;
hyperlink.Style = (Style)App.Current.Resources["HyperlinkButtonStyle"];
hyperlink.Content = e.InnerText;
hyperlink.Click += delegate(object sender, RoutedEventArgs eventArgs)
{
string uriString = e.GetAttribute("href");
Messenger.Default.Send<LinkClickedMessage>(new LinkClickedMessage()
{
UriToNavigate = uriString
});
};
parent.Add(inlineElt);
//ParseElement(e, parent);
break;
case "BR":
parent.Add(new LineBreak());
break;
}
}
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var input = (IHtmlInputElement)element;
var type = input.Type ?? string.Empty;
type = type.Trim();
if (type.Length == 0)
{
type = "text";
}
type = type.ToLower();
switch (type)
{
case "text":
{
var textbox = new TextBox
{
Text = input.Value
};
parent.Add(textbox);
break;
}
case "button":
{
var button = new Button
{
Content = input.Value
};
parent.Add(button);
break;
}
default:
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
var textblock = new TextBlock
{
Text = string.Format("input type=\"{0}\" is not support.", input.Type)
};
parent.Add(textblock);
break;
}
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var button = new Button()
{
Content = element.TextContent
};
parent.Add(button);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var paragraph = new Paragraph()
{
TextAlignment = TextAlignment.Center
};
parent.Add(paragraph);
context.RenderNode(element, new ParagraphContainer(paragraph));
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var button = new Button()
{
Content = element.TextContent
};
parent.Add(button);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var paragraph = new Paragraph()
{
TextAlignment = TextAlignment.Center
};
parent.Add(paragraph);
context.RenderNode(element, new ParagraphContainer(paragraph));
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var paragraph = new Paragraph
{
Margin = new Thickness(0, 10, 0, 10)
};
parent.Add(paragraph);
context.RenderNode(element, new ParagraphContainer(paragraph));
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var line = new Rectangle
{
MinWidth = double.MaxValue,
MinHeight = 1,
Fill = new SolidColorBrush(Colors.Gray),
Margin = new Thickness(0, 5, 0, 5)
};
parent.Add(line);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var audio = (IHtmlAudioElement)element;
var mediaElement = new MediaElement
{
Source = new Uri(audio.Source),
AreTransportControlsEnabled = true,
MinHeight = 65
};
parent.Add(mediaElement);
context.RenderNode(element, parent);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var audio = (IHtmlAudioElement)element;
var mediaElement = new MediaElement
{
Source = new Uri(audio.Source),
AreTransportControlsEnabled = true,
MinHeight = 65
};
parent.Add(mediaElement);
context.RenderNode(element, parent);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var border = new Border
{
BorderThickness = new Thickness(1),
BorderBrush = new SolidColorBrush(Colors.Gray),
Margin = new Thickness(0, 5, 0, 5),
Padding = new Thickness(10)
};
parent.Add(border);
var richTextBlock = new RichTextBlock();
border.Child = richTextBlock;
context.RenderNode(element, new RichTextBlockContainer(richTextBlock));
}
private static void ParseElement(XmlElement element, ITextContainer parent)
{
foreach (var child in element.ChildNodes)
{
if (child is Windows.Data.Xml.Dom.XmlText)
{
if (string.IsNullOrEmpty(child.InnerText) ||
child.InnerText == "\n")
{
continue;
}
parent.Add(new Run { Text = child.InnerText });
}
else if (child is XmlElement)
{
XmlElement e = (XmlElement)child;
switch (e.TagName.ToUpper())
{
case "P":
var paragraph = new Paragraph();
parent.Add(paragraph);
ParseElement(e, new ParagraphTextContainer(paragraph));
break;
case "STRONG":
var bold = new Bold();
parent.Add(bold);
ParseElement(e, new SpanTextContainer(bold));
break;
case "U":
var underline = new Underline();
parent.Add(underline);
ParseElement(e, new SpanTextContainer(underline));
break;
case "A":
ParseElement(e, parent);
break;
case "BR":
parent.Add(new LineBreak());
break;
}
}
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var table = (IHtmlTableElement)element;
var grid = new Grid();
foreach (var child in table.Rows)
{
var row = child as IHtmlTableRowElement;
if (row != null)
{
grid.RowDefinitions.Add(new RowDefinition());
int columnCount = 0;
foreach (var column in row.Cells)
{
var richTextBlock = new RichTextBlock()
{
IsTextSelectionEnabled = false
};
var cellRender = new Border()
{
Child = richTextBlock,
Padding = new Thickness(5)
};
context.RenderNode(column, new RichTextBlockContainer(richTextBlock));
Grid.SetColumn(cellRender, columnCount);
Grid.SetRow(cellRender, grid.RowDefinitions.Count - 1);
grid.Children.Add(cellRender);
columnCount++;
if (grid.ColumnDefinitions.Count < columnCount)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
}
}
}
}
parent.Add(grid);
}
public async void RenderNode(INode node, ITextContainer parentContainer)
{
var element = node as IElement;
if (element != null)
{
PushTag(element);
foreach (var child in node.ChildNodes)
{
if (child is IText)
{
var text = child.TextContent ?? string.Empty;
if (TagStack.Contains("pre", StringComparer.OrdinalIgnoreCase) == false)
{
// Not in pre, replace all line break to empty.
text = text.Replace("\r", string.Empty).Replace("\n", string.Empty);
}
if (string.IsNullOrEmpty(text) == false)
{
parentContainer.Add(new Run
{
Text = text
});
}
}
else
{
var childElement = child as IElement;
if (childElement != null)
{
var elementRender = ElementRenders.GetRender(childElement.TagName);
if (elementRender != null)
{
elementRender.RenderElement(childElement, parentContainer, this);
}
else
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
await new MessageDialog(string.Format("{0} can't render", childElement.TagName)).ShowAsync();
}
}
}
}
PopTag(element);
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var paragraph = new Paragraph();
parent.Add(paragraph);
context.RenderNode(element, new OrderListContainer(paragraph));
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var span = new Span();
parent.Add(span);
context.RenderNode(element, new SpanContainer(span));
}
private static void ParseElement(XmlElement element, ITextContainer parent)
{
foreach (var child in element.ChildNodes)
{
var tagNameToUpper = (child as XmlElement)?.TagName?.ToUpper();
if (!isInP
&& !(child is XmlElement && (tagNameToUpper == "P" || tagNameToUpper == "SPAN" || tagNameToUpper == "DIV" || tagNameToUpper == "IMG")))
{
var paragraph = new Paragraph();
parent.Add(paragraph);
isInP = true;
parent = new ParagraphTextContainer(parent, paragraph);
}
if (child is XmlText)
{
var text = child.InnerText.Replace("\n", "").Trim();
if (string.IsNullOrEmpty(text))
continue;
text = text.Replace("</form>", "");
parent.Add(new Run { Text = System.Net.WebUtility.HtmlDecode(text), Foreground = new SolidColorBrush(Windows.UI.Colors.Black) });
}
else if (child is XmlElement)
{
XmlElement e = (XmlElement)child;
switch (tagNameToUpper)
{
case "P":
case "DIV":
case "SPAN":
if(tagNameToUpper == "DIV")
{
var classVal = e.Attributes.FirstOrDefault(a => a.NodeName == "class")?.NodeValue?.ToString() ?? "";
if(classVal.Contains("open-list-comments") ||
classVal.Contains("open-list-footer") ||
classVal.Contains("modal-body"))
{
return;
}
}
if (isInP)
{
if (tagNameToUpper == "P")
parent.Add(new LineBreak());
ParseElement(e, parent);
}
else
{
var paragraph = new Paragraph();
parent.Add(paragraph);
isInP = true;
ParseElement(e, new ParagraphTextContainer(parent, paragraph));
isInP = false;
}
break;
case "B":
case "STRONG":
case "H1":
case "H2":
case "H3":
case "H4":
case "H5":
case "H6":
var bold = new Bold();
parent.Add(bold);
ParseElement(e, new SpanTextContainer(parent, bold));
break;
case "I":
case "EM":
var italic = new Italic();
parent.Add(italic);
ParseElement(e, new SpanTextContainer(parent, italic));
break;
case "U":
var underline = new Underline();
parent.Add(underline);
ParseElement(e, new SpanTextContainer(parent, underline));
break;
case "A":
var url = e.Attributes.FirstOrDefault(a => a.NodeName == "href")?.NodeValue;
Uri uri;
if (url != null && Uri.TryCreate(url.ToString(), UriKind.Absolute, out uri))
{
var link = new Hyperlink();
link.NavigateUri = uri;
parent.Add(link);
ParseElement(e, new SpanTextContainer(parent, link));
}
else
{
ParseElement(e, parent);
}
break;
case "BR":
parent.Add(new LineBreak());
break;
case "IMG":
var src = e.Attributes.FirstOrDefault(a => a.NodeName == "src")?.NodeValue;
Uri srcUri;
if (src != null && Uri.TryCreate(src.ToString(), UriKind.Absolute, out srcUri))
{
var img = new InlineUIContainer
{
Child = new Windows.UI.Xaml.Controls.Image()
{
Source = new BitmapImage(srcUri)
}
};
parent.AddToParentParagraph(img);
}
break;
}
}
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var italic = new Italic();
parent.Add(italic);
context.RenderNode(element, new SpanContainer(italic));
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
parent.Add(new LineBreak());
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
parent.Add(new LineBreak());
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var parentContainer = (parent as RichTextBlockContainer).Get();
Span span = new Span();
Underline underline = null;
var textDecoration = element.Style("text-decoration");
if (!string.IsNullOrEmpty(textDecoration))
{
if (textDecoration == "underline")
{
underline = new Underline();
underline.Inlines.Add(span);
}
}
var color = element.Style("color");
if (string.IsNullOrEmpty(color) == false)
{
color = color.Trim().TrimStart('#');
if (color.Length == 6)
{
var sR = color.Substring(0, 2);
var sG = color.Substring(2, 2);
var sB = color.Substring(4, 2);
byte r, g, b;
if (byte.TryParse(sR, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out r)
&& byte.TryParse(sG, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out g)
&& byte.TryParse(sB, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out b))
{
var value = Color.FromArgb(255, r, g, b);
if (value != Colors.White && value != Colors.Black)
{
if (underline != null)
{
underline.Foreground = new SolidColorBrush(value);
}
else
{
span.Foreground = new SolidColorBrush(value);
}
}
}
}
}
var fontSize = element.Style("font-size");
if (!string.IsNullOrEmpty(fontSize))
{
fontSize = fontSize.Replace("px", "");
if (underline != null)
{
underline.FontSize = double.Parse(fontSize);
}
else
{
span.FontSize = double.Parse(fontSize);
}
}
var fontWeight = element.Style("font-weight");
if (!string.IsNullOrEmpty(fontWeight))
{
if (underline != null)
{
underline.FontWeight = FontWeights.Bold;
}
else
{
span.FontWeight = FontWeights.Bold;
}
}
var textAlign = element.Style("text-align");
if (!string.IsNullOrEmpty(textAlign))
{
if (textAlign == "left")
{
parentContainer.TextAlignment = Windows.UI.Xaml.TextAlignment.Left;
}
else if (textAlign == "right")
{
parentContainer.TextAlignment = Windows.UI.Xaml.TextAlignment.Right;
}
else
{
parentContainer.TextAlignment = Windows.UI.Xaml.TextAlignment.Center;
}
}
var textStyle = element.Style("text-style");
if (!string.IsNullOrEmpty(textStyle))
{
if (textStyle == "italic")
{
if (underline != null)
{
underline.FontStyle = FontStyle.Italic;
}
else
{
span.FontStyle = FontStyle.Italic;
}
}
}
if (underline != null)
{
parent.Add(underline);
context.RenderNode(element, new SpanContainer(underline));
}
else
{
parent.Add(span);
context.RenderNode(element, new SpanContainer(span));
}
}
private static void ParseElement(XmlElement element, ITextContainer parent)
{
foreach (var child in element.ChildNodes)
{
if (child is Windows.Data.Xml.Dom.XmlText)
{
if (string.IsNullOrEmpty(child.InnerText) ||
child.InnerText == "\n")
{
continue;
}
parent.Add(new Run { Text = ((XmlText)child).InnerText });
}
else if (child is XmlElement)
{
XmlElement e = (XmlElement)child;
switch (e.TagName.ToUpper())
{
case "DIV":
if (e.GetAttribute("class") == "p")
{
Paragraph paragraph = new Paragraph();
paragraph.Margin = new Thickness(0, 0, 0, 10);
//paragraph.LineHeight = 20;
parent.Add(paragraph);
ParseElement(e, new ParagraphTextContainer(paragraph));
}
else if (e.GetAttribute("class") == "label" && element.GetAttribute("class").Contains("chapter"))
{
Paragraph chapterLabel = new Paragraph();
chapterLabel.FontFamily = new FontFamily("Segoe UI");
chapterLabel.FontSize = 32;
chapterLabel.Inlines.Add(new Run { Text = "Chapter " + e.InnerText });
parent.Add(chapterLabel);
}
else
{
ParseElement(e, parent);
}
break;
case "SPAN":
//ParseElement(e, parent);
if (e.GetAttribute("class") == "heading")
{
Paragraph header = new Paragraph();
header.FontFamily = new FontFamily("Segoe UI");
header.FontSize = 20;
header.Margin = new Thickness(0, 10, 0, 5);
header.Inlines.Add(new Run { Text = e.InnerText });
parent.Add(header);
}
else if (e.GetAttribute("class") == "label" && element.GetAttribute("class").Contains("verse"))
{
Run run = new Run();
run.Text = e.InnerText;
run.FontSize = 8;
parent.Add(run);
}
else
{
ParseElement(e, parent);
}
//else
//{
// Run run = new Run();
// run.Text = e.InnerText;
// parent.Add(run);
//}
break;
case "P":
var p = new Paragraph();
parent.Add(p);
ParseElement(e, new ParagraphTextContainer(p));
break;
case "STRONG":
var bold = new Bold();
parent.Add(bold);
ParseElement(e, new SpanTextContainer(bold));
break;
case "U":
var underline = new Underline();
parent.Add(underline);
ParseElement(e, new SpanTextContainer(underline));
break;
case "A":
ParseElement(e, parent);
break;
case "BR":
parent.Add(new LineBreak());
break;
}
}
}
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var img = (IHtmlImageElement)element;
var source = img.Source;
if (string.IsNullOrEmpty(source))
{
return;
}
var image = new Image
{
Source = new BitmapImage(new Uri(source, UriKind.Absolute))
};
double scale = 1.0;
int?width = img.Width();
if (width.HasValue)
{
if (width.Value > Window.Current.Bounds.Width - 40)
{
scale = (Window.Current.Bounds.Width - 40) / width.Value;
}
image.Width = width.Value * scale;
}
int?height = img.Height();
if (height.HasValue)
{
image.Height = height.Value * scale;
}
DisplayInformation.GetForCurrentView().OrientationChanged +=
(DisplayInformation sender, object args) =>
{
if (sender.CurrentOrientation == DisplayOrientations.Portrait)
{
double scale1 = 1.0;
int?width1 = img.Width();
if (width1.HasValue)
{
if (width1.Value > Window.Current.Bounds.Width - 40)
{
scale1 = (Window.Current.Bounds.Width - 40) / width1.Value;
}
image.Width = width1.Value * scale1;
}
int?height1 = img.Height();
if (height1.HasValue)
{
image.Height = height1.Value * scale1;
}
}
else if (sender.CurrentOrientation == DisplayOrientations.Landscape || sender.CurrentOrientation == DisplayOrientations.LandscapeFlipped)
{
double scale1 = 1.0;
int?width1 = img.Width();
if (width1.HasValue)
{
if (width1.Value > Window.Current.Bounds.Width - 40)
{
scale1 = (Window.Current.Bounds.Width - 40) / width1.Value;
}
image.Width = width1.Value * scale1;
}
int?height1 = img.Height();
if (height1.HasValue)
{
image.Height = height1.Value * scale1;
}
}
};
parent.Add(image);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var img = (IHtmlImageElement)element;
var source = img.Source;
if (string.IsNullOrEmpty(source))
{
return;
}
var image = new Image
{
Source = new BitmapImage(new Uri(source, UriKind.Absolute))
};
double scale = 1.0;
int? width = img.Width();
if (width.HasValue)
{
if (width.Value > Window.Current.Bounds.Width - 40)
{
scale = (Window.Current.Bounds.Width - 40) / width.Value;
}
image.Width = width.Value * scale;
}
int? height = img.Height();
if (height.HasValue)
{
image.Height = height.Value * scale;
}
DisplayInformation.GetForCurrentView().OrientationChanged +=
(DisplayInformation sender, object args) =>
{
if (sender.CurrentOrientation == DisplayOrientations.Portrait)
{
double scale1 = 1.0;
int? width1 = img.Width();
if (width1.HasValue)
{
if (width1.Value > Window.Current.Bounds.Width - 40)
{
scale1 = (Window.Current.Bounds.Width - 40) / width1.Value;
}
image.Width = width1.Value * scale1;
}
int? height1 = img.Height();
if (height1.HasValue)
{
image.Height = height1.Value * scale1;
}
}
else if (sender.CurrentOrientation == DisplayOrientations.Landscape || sender.CurrentOrientation == DisplayOrientations.LandscapeFlipped)
{
double scale1 = 1.0;
int? width1 = img.Width();
if (width1.HasValue)
{
if (width1.Value > Window.Current.Bounds.Width - 40)
{
scale1 = (Window.Current.Bounds.Width - 40) / width1.Value;
}
image.Width = width1.Value * scale1;
}
int? height1 = img.Height();
if (height1.HasValue)
{
image.Height = height1.Value * scale1;
}
}
};
parent.Add(image);
}
public virtual void RenderElement(IElement element, ITextContainer parent, RenderContextBase context)
{
var bold = new Bold();
parent.Add(bold);
context.RenderNode(element, new SpanContainer(bold));
}
