public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var ctrl = GenerateSingle(node, textBlock);
if (ctrl != null)
return new [] { ctrl };
return null;
}
private static void CreateTextBox(List<DependencyObject> list, List<Inline> current, IHtmlTextBlock textBlock)
{
if (current.Count > 0)
{
var p = new Paragraph();
foreach (var r in current)
p.Inlines.Add(r);
#if !WINRT
var tb = new RichTextBox();
tb.Background = textBlock.Background;
tb.Margin = new Thickness(-12, textBlock.ParagraphMargin, -12, textBlock.ParagraphMargin);
#else
var tb = new RichTextBlock();
tb.IsTextSelectionEnabled = false;
tb.Margin = new Thickness(0, textBlock.ParagraphMargin, 0, textBlock.ParagraphMargin);
#endif
tb.Blocks.Add(p);
tb.Foreground = textBlock.Foreground;
tb.FontSize = textBlock.FontSize;
tb.FontFamily = textBlock.FontFamily;
list.Add(tb);
current.Clear();
}
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var items = node.GetLeaves(textBlock).ToList();
if (items.Count == 1 && items[0] is Panel)
{
items = new List <DependencyObject> {
items[0]
}
}
;
if (items.Count > 0)
{
var elem = items.First() as FrameworkElement;
if (elem != null)
{
elem.Margin = new Thickness(elem.Margin.Left, 0, elem.Margin.Right, elem.Margin.Bottom);
}
elem = items.Last() as FrameworkElement;
if (elem != null)
{
elem.Margin = new Thickness(elem.Margin.Left, elem.Margin.Top, elem.Margin.Right, 0);
}
}
return(items.ToArray());
}
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var list = new List <Grid>();
foreach (var child in node.Children.Where(c => c.Value == "li"))
{
var grid = new Grid();
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(20)
});
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
var tb = new TextBlock();
tb.Foreground = textBlock.Foreground;
tb.FontSize = textBlock.FontSize;
tb.FontFamily = textBlock.FontFamily;
tb.Margin = new Thickness();
tb.Text = "• ";
grid.Children.Add(tb);
Grid.SetColumn(tb, 0);
var panel = new StackPanel();
child.ToHtmlBlock();
foreach (var c in child.GetLeaves(textBlock).OfType <UIElement>())
{
var frameworkElement = c as FrameworkElement;
if (frameworkElement != null)
{
frameworkElement.HorizontalAlignment = HorizontalAlignment.Stretch;
}
panel.Children.Add(c);
}
grid.Children.Add(panel);
Grid.SetColumn(panel, 1);
list.Add(grid);
}
var first = list.FirstOrDefault();
if (first != null)
{
first.Margin = new Thickness(0, textBlock.ParagraphMargin, 0, 0);
}
var last = list.LastOrDefault();
if (last != null)
{
last.Margin = new Thickness(0, 0, 0, textBlock.ParagraphMargin);
}
return(list.OfType <DependencyObject>().ToArray());
}
protected virtual Action CreateLinkAction(Hyperlink hyperlink, string link, IHtmlTextBlock textBlock)
{
if (link.StartsWith("mailto:"))
{
return () => new EmailComposeTask {
To = link.Substring(7)
}
}
protected override Action CreateLinkAction(Hyperlink hyperlink, string link, IHtmlTextBlock textBlock)
{
if (link.StartsWith("tel:"))
{
return () => new PhoneCallTask {
PhoneNumber = link.Substring(4)
}
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
try
{
var uri = node.Attributes["src"];
var height = 0;
if (node.Attributes.ContainsKey("height"))
{
int.TryParse(node.Attributes["height"], out height);
}
var width = 0;
if (node.Attributes.ContainsKey("width"))
{
int.TryParse(node.Attributes["width"], out width);
}
if (height == 1 && width == 1)
{
return(null);
}
var image = new Image();
var imgSource = new BitmapImage(new Uri(uri));
var block = new ImageBlock
{
Image = image,
UserHeight = height,
UserWidth = width,
Source = imgSource
};
imgSource.ImageOpened += delegate { block.Update(textBlock.ActualWidth); };
image.HorizontalAlignment = HorizontalAlignment.Left;
image.Source = imgSource;
image.Margin = new Thickness(0, textBlock.ParagraphMargin, 0, textBlock.ParagraphMargin);
if (width > 0)
{
image.Width = width;
}
if (height > 0)
{
image.Height = height;
}
textBlock.SizeDependentControls.Add(block);
return(image);
}
catch
{
return(null);
}
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
foreach (var c in node.GetLeaves(textBlock))
{
var element = c as TextElement;
if (element != null)
element.FontWeight = FontWeights.Bold;
}
return null;
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var list = new List<DependencyObject>();
var addTopMargin = true;
var current = new List<Inline>();
foreach (var c in node.GetLeaves(textBlock))
{
if (c is Run && UseTextSplitting && ((Run)c).Text.Contains("\n")) // used to avoid 2048px max control size
{
// split text
var run = (Run) c;
var splits = run.Text.Split('\n');
// join some splits to avoid small junks
var currentSplit = "";
var newSplits = new List<string>();
for (var i = 0; i < splits.Length; i++)
{
var split = splits[i];
if (i != 0 && currentSplit.Length + split.Length > 16)
{
newSplits.Add(currentSplit);
currentSplit = split;
}
else
currentSplit += (i != 0 ? "\n" : "") + split;
}
newSplits.Add(currentSplit);
// create multiple text blocks
splits = newSplits.ToArray();
for (var i = 0; i < splits.Length; i++)
{
var split = splits[i];
current.Add(new Run { Text = split });
if (i < splits.Length - 1) // dont create for last
CreateTextBox(list, current, textBlock, i == 0 && addTopMargin, false);
}
addTopMargin = list.Count == 0;
} else if (c is Inline)
current.Add((Inline)c);
else
{
CreateTextBox(list, current, textBlock, addTopMargin, true);
list.Add(c);
addTopMargin = true;
}
}
CreateTextBox(list, current, textBlock, addTopMargin, true);
if (list.Count == 0)
return null;
return list.ToArray();
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var ctrl = GenerateSingle(node, textBlock);
if (ctrl != null)
{
return new [] { ctrl }
}
;
return(null);
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
foreach (var c in node.GetLeaves(textBlock))
{
var element = c as TextElement;
if (element != null)
{
element.FontWeight = FontWeights.Bold;
}
}
return(null);
}
public DependencyObject[] GetLeaves(IHtmlTextBlock textBlock)
{
var list = new List<DependencyObject>();
foreach (var c in Children)
{
var ctrl = c.GetControls(textBlock);
if (ctrl != null)
list.AddRange(ctrl);
else
list.AddRange(c.GetLeaves(textBlock));
}
return list.ToArray();
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
foreach (var c in node.GetLeaves(textBlock))
{
var element = c as TextElement;
if (element != null)
#if WINRT
{ element.FontStyle = FontStyle.Italic; }
#else
{ element.FontStyle = FontStyles.Italic; }
#endif
}
return(null);
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
foreach (var c in node.GetLeaves(textBlock))
{
var element = c as TextElement;
if (element != null)
#if WINRT
element.FontStyle = FontStyle.Italic;
#else
element.FontStyle = FontStyles.Italic;
#endif
}
return null;
}
public DependencyObject[] GetControls(IHtmlTextBlock textBlock)
{
if (!loaded)
{
var value = IsTag ? Value : "text";
var generator = textBlock.Generators.ContainsKey(value) ? textBlock.Generators[value] :
(textBlock.Generators.ContainsKey("unknown") ? textBlock.Generators["unknown"] : null);
if (generator != null)
{
controls = generator.Generate(this, textBlock);
}
loaded = true;
}
return(controls);
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
try
{
var link = node.Attributes["href"];
var block = new TextBlock();
block.Foreground = Foreground;
var element = new InlineUIContainer();
element.Child = block;
var hr = new Underline();
foreach (var child in node.Children)
{
var leaves = child.GetLeaves(textBlock).ToArray();
if (leaves.Length > 0)
{
foreach (var item in leaves.OfType <Inline>())
{
hr.Inlines.Add(item);
}
}
else if (!string.IsNullOrEmpty(child.Value))
{
hr.Inlines.Add(new Run {
Text = child.Value
});
}
}
block.Inlines.Add(hr);
var action = CreateLinkAction(block, link, textBlock);
block.Tapped += (sender, e) =>
{
if (!e.Handled)
{
e.Handled = true;
action();
}
};
return(new DependencyObject[] { element });
}
catch
{
return(node.GetLeaves(textBlock)); // suppress link
}
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
try
{
var link = node.Attributes["href"];
var hr = new Hyperlink();
hr.MouseOverForeground = textBlock.Foreground;
hr.Foreground = textBlock.Foreground;
hr.TextDecorations = TextDecorations.Underline;
foreach (var child in node.Children)
{
var leaves = child.GetLeaves(textBlock).ToArray();
if (leaves.Length > 0)
{
foreach (var item in leaves.OfType <Inline>())
{
hr.Inlines.Add(item);
}
}
else if (!string.IsNullOrEmpty(child.Value))
{
hr.Inlines.Add(new Run {
Text = child.Value
});
}
}
var action = CreateLinkAction(hr, link, textBlock);
var origAction = action;
action = delegate
{
if (!PhoneApplication.IsNavigating)
{
origAction();
}
};
hr.Command = new RelayCommand(action);
return(new DependencyObject[] { hr });
}
catch
{
return(node.GetLeaves(textBlock)); // suppress link
}
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var list = new List<Grid>();
foreach (var child in node.Children.Where(c => c.Value == "li"))
{
var grid = new Grid();
grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
var tb = new TextBlock();
tb.Foreground = textBlock.Foreground;
tb.FontSize = textBlock.FontSize;
tb.FontFamily = textBlock.FontFamily;
tb.Margin = new Thickness();
tb.Text = "• ";
grid.Children.Add(tb);
Grid.SetColumn(tb, 0);
var panel = new StackPanel();
child.ToHtmlBlock();
foreach (var c in child.GetLeaves(textBlock).OfType<UIElement>())
{
var frameworkElement = c as FrameworkElement;
if (frameworkElement != null)
frameworkElement.HorizontalAlignment = HorizontalAlignment.Stretch;
panel.Children.Add(c);
}
grid.Children.Add(panel);
Grid.SetColumn(panel, 1);
list.Add(grid);
}
var first = list.FirstOrDefault();
if (first != null)
first.Margin = new Thickness(0, textBlock.ParagraphMargin, 0, 0);
var last = list.LastOrDefault();
if (last != null)
last.Margin = new Thickness(0, 0, 0, textBlock.ParagraphMargin);
return list.OfType<DependencyObject>().ToArray();
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
try
{
var uri = node.Attributes["src"];
var height = 0;
if (node.Attributes.ContainsKey("height"))
int.TryParse(node.Attributes["height"], out height);
var width = 0;
if (node.Attributes.ContainsKey("width"))
int.TryParse(node.Attributes["width"], out width);
if (height == 1 && width == 1)
return null;
var image = new Image();
var imgSource = new BitmapImage(new Uri(uri));
var block = new ImageBlock
{
Image = image,
UserHeight = height,
UserWidth = width,
Source = imgSource
};
imgSource.ImageOpened += delegate { block.Update(textBlock.ActualWidth); };
image.HorizontalAlignment = HorizontalAlignment.Left;
image.Source = imgSource;
image.Margin = new Thickness(0, textBlock.ParagraphMargin, 0, textBlock.ParagraphMargin);
if (width > 0)
image.Width = width;
if (height > 0)
image.Height = height;
textBlock.SizeDependentControls.Add(block);
return image;
}
catch
{
return null;
}
}
public DependencyObject[] GetLeaves(IHtmlTextBlock textBlock)
{
var list = new List <DependencyObject>();
foreach (var c in Children)
{
var ctrl = c.GetControls(textBlock);
if (ctrl != null)
{
list.AddRange(ctrl);
}
else
{
list.AddRange(c.GetLeaves(textBlock));
}
}
return(list.ToArray());
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
try
{
var link = node.Attributes["href"];
var block = new TextBlock();
block.Foreground = Foreground;
var element = new InlineUIContainer();
element.Child = block;
var hr = new Underline();
foreach (var child in node.Children)
{
var leaves = child.GetLeaves(textBlock).ToArray();
if (leaves.Length > 0)
{
foreach (var item in leaves.OfType<Inline>())
hr.Inlines.Add(item);
}
else if (!string.IsNullOrEmpty(child.Value))
hr.Inlines.Add(new Run { Text = child.Value });
}
block.Inlines.Add(hr);
var action = CreateLinkAction(block, link, textBlock);
block.Tapped += (sender, e) =>
{
if (!e.Handled)
{
e.Handled = true;
action();
}
};
return new DependencyObject[] { element };
}
catch
{
return node.GetLeaves(textBlock); // suppress link
}
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var list = new List<DependencyObject>();
var current = new List<Inline>();
foreach (var c in node.GetLeaves(textBlock))
{
if (c is Inline)
current.Add((Inline)c);
else
{
CreateTextBox(list, current, textBlock);
list.Add(c);
}
}
CreateTextBox(list, current, textBlock);
if (list.Count == 0)
return null;
return list.ToArray();
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
try
{
var link = node.Attributes["href"];
var hr = new Hyperlink();
hr.MouseOverForeground = textBlock.Foreground;
hr.Foreground = textBlock.Foreground;
hr.TextDecorations = TextDecorations.Underline;
foreach (var child in node.Children)
{
var leaves = child.GetLeaves(textBlock).ToArray();
if (leaves.Length > 0)
{
foreach (var item in leaves.OfType<Inline>())
hr.Inlines.Add(item);
} else if (!string.IsNullOrEmpty(child.Value))
hr.Inlines.Add(new Run { Text = child.Value });
}
var action = CreateLinkAction(hr, link, textBlock);
var origAction = action;
action = delegate
{
if (!PhoneApplication.IsNavigating)
origAction();
};
hr.Command = new RelayCommand(action);
return new DependencyObject[] { hr };
}
catch
{
return node.GetLeaves(textBlock); // suppress link
}
}
async internal static void Generate(this IHtmlTextBlock me)
{
var html = me.Html;
var itemsCtrl = (ItemsControl)me;
if (string.IsNullOrEmpty(html))
{
itemsCtrl.Items.Clear();
}
var tb = me as HtmlTextBlock;
if (tb != null)
{
tb.UpdateHeader();
}
if (string.IsNullOrEmpty(html))
{
if (tb != null)
{
tb.UpdateFooter();
}
if (me is HtmlTextBlock)
{
((HtmlTextBlock)me).CallHtmlLoaded();
}
else
{
((FixedHtmlTextBlock)me).CallHtmlLoaded();
}
return;
}
HtmlNode node = null;
#if WP7
await Task.Factory.StartNew(() =>
#else
await Task.Run(() =>
#endif
{
try
{
var parser = new HtmlParser();
node = parser.Parse(html);
}
catch { }
});
if (html == me.Html)
{
if (node != null)
{
try
{
itemsCtrl.Items.Clear();
if (tb != null)
{
tb.UpdateHeader();
}
foreach (var c in node.GetControls(me))
{
itemsCtrl.Items.Add(c);
}
if (tb != null)
{
tb.UpdateFooter();
}
}
catch { }
}
if (me is HtmlTextBlock)
{
((HtmlTextBlock)me).CallHtmlLoaded();
}
else
{
((FixedHtmlTextBlock)me).CallHtmlLoaded();
}
}
}
public DependencyObject[] GetControls(IHtmlTextBlock textBlock)
{
if (!loaded)
{
var value = IsTag ? Value : "text";
var generator = textBlock.Generators.ContainsKey(value) ? textBlock.Generators[value] :
(textBlock.Generators.ContainsKey("unknown") ? textBlock.Generators["unknown"] : null);
if (generator != null)
controls = generator.Generate(this, textBlock);
loaded = true;
}
return controls;
}
protected virtual Action CreateLinkAction(TextBlock hyperlink, string link, IHtmlTextBlock textBlock)
{
return(() => Launcher.LaunchUriAsync(new Uri(link)));
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
return(new DependencyObject[] {});
}
public abstract DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock);
protected override Action CreateLinkAction(Hyperlink hyperlink, string link, IHtmlTextBlock textBlock)
{
if (link.StartsWith("tel:"))
return () => new PhoneCallTask { PhoneNumber = link.Substring(4) }.Show();
return base.CreateLinkAction(hyperlink, link, textBlock);
}
public override DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock)
{
return(new Run {
Text = node.Value
});
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
var list = new List <DependencyObject>();
var addTopMargin = true;
var current = new List <Inline>();
foreach (var c in node.GetLeaves(textBlock))
{
if (c is Run && UseTextSplitting && ((Run)c).Text.Contains("\n")) // used to avoid 2048px max control size
{
// split text
var run = (Run)c;
var splits = run.Text.Split('\n');
// join some splits to avoid small junks
var currentSplit = "";
var newSplits = new List <string>();
for (var i = 0; i < splits.Length; i++)
{
var split = splits[i];
if (i != 0 && currentSplit.Length + split.Length > 16)
{
newSplits.Add(currentSplit);
currentSplit = split;
}
else
{
currentSplit += (i != 0 ? "\n" : "") + split;
}
}
newSplits.Add(currentSplit);
// create multiple text blocks
splits = newSplits.ToArray();
for (var i = 0; i < splits.Length; i++)
{
var split = splits[i];
current.Add(new Run {
Text = split
});
if (i < splits.Length - 1) // dont create for last
{
CreateTextBox(list, current, textBlock, i == 0 && addTopMargin, false);
}
}
addTopMargin = list.Count == 0;
}
else if (c is Inline)
{
current.Add((Inline)c);
}
else
{
CreateTextBox(list, current, textBlock, addTopMargin, true);
list.Add(c);
addTopMargin = true;
}
}
CreateTextBox(list, current, textBlock, addTopMargin, true);
if (list.Count == 0)
{
return(null);
}
return(list.ToArray());
}
private void CreateTextBox(List <DependencyObject> list, List <Inline> current, IHtmlTextBlock textBlock,
bool addTopMargin, bool addBottomMargin)
{
if (current.Count > 0)
{
var p = new Paragraph();
foreach (var r in current)
{
p.Inlines.Add(r);
}
#if !WINRT
var tb = new RichTextBox();
tb.Background = textBlock.Background;
tb.Margin = new Thickness(-12, addTopMargin ? textBlock.ParagraphMargin : 0, -12, addBottomMargin ? textBlock.ParagraphMargin : 0);
#else
var tb = new RichTextBlock();
tb.IsTextSelectionEnabled = false; // TODO: when to add topmargin
tb.Margin = new Thickness(0, /*addTopMargin ? textBlock.ParagraphMargin :*/ 0, 0, addBottomMargin ? textBlock.ParagraphMargin : 0);
#endif
tb.Blocks.Add(p);
tb.Foreground = Foreground ?? textBlock.Foreground;
tb.FontSize = FontSize == 0 ? textBlock.FontSize : FontSize;
tb.FontFamily = FontFamily ?? textBlock.FontFamily;
tb.FontStyle = FontStyle;
tb.FontWeight = FontWeight;
list.Add(tb);
current.Clear();
}
}
protected virtual Action CreateLinkAction(Hyperlink hyperlink, string link, IHtmlTextBlock textBlock)
{
if (link.StartsWith("mailto:"))
return () => new EmailComposeTask {To = link.Substring(7)}.Show();
// 'tel:' removed because it needs CAP_PHONEDIALER capability! Use PhoneLinkGenerator from "- Other" directory.
try
{
var uri = link.StartsWith("http://") || link.StartsWith("https://") ?
new Uri(link, UriKind.Absolute) : new Uri(textBlock.HtmlBaseUri, link);
return () => new WebBrowserTask { Uri = uri }.Show();
}
catch (Exception)
{
}
return () => { };
}
private void CreateTextBox(List<DependencyObject> list, List<Inline> current, IHtmlTextBlock textBlock,
bool addTopMargin, bool addBottomMargin)
{
if (current.Count > 0)
{
var p = new Paragraph();
foreach (var r in current)
p.Inlines.Add(r);
#if !WINRT
var tb = new RichTextBox();
tb.Background = textBlock.Background;
tb.Margin = new Thickness(-12, addTopMargin ? textBlock.ParagraphMargin : 0, -12, addBottomMargin ? textBlock.ParagraphMargin : 0);
#else
var tb = new RichTextBlock();
tb.IsTextSelectionEnabled = false; // TODO: when to add topmargin
tb.Margin = new Thickness(0, /*addTopMargin ? textBlock.ParagraphMargin :*/ 0, 0, addBottomMargin ? textBlock.ParagraphMargin : 0);
#endif
tb.Blocks.Add(p);
tb.Foreground = Foreground ?? textBlock.Foreground;
tb.FontSize = FontSize == 0 ? textBlock.FontSize : FontSize;
tb.FontFamily = FontFamily ?? textBlock.FontFamily;
tb.FontStyle = FontStyle;
tb.FontWeight = FontWeight;
list.Add(tb);
current.Clear();
}
}
public DependencyObject[] Generate(HtmlNode node, IHtmlTextBlock textBlock)
{
return new DependencyObject[] {};
}
public abstract DependencyObject GenerateSingle(HtmlNode node, IHtmlTextBlock textBlock);
protected virtual Action CreateLinkAction(TextBlock hyperlink, string link, IHtmlTextBlock textBlock)
{
return () => Launcher.LaunchUriAsync(new Uri(link));
}