Esempio n. 1
0
        public static void UpdateWith(this TextBlock textBlock, string htmlInput, IParamParser paramParser)
        {
            var tree = new HtmlTagTree(paramParser, _builtinTags);

            tree.BuildFrom(htmlInput);

            // update textbox with inline elements according to syntax tree items
            var context = new InlineCreationContext();

            foreach (var tag in tree.GetTags())
            {
                switch (_builtinTags[tag.ID].Flags)
                {
                case HTMLFlag.TextFormat:
                    context.UpdateStyle(tag);
                    break;

                case HTMLFlag.Element:
                    var inline = tag.CreateInline(textBlock, context);
                    textBlock.Inlines.Add(inline);
                    break;
                }
            }
        }
Esempio n. 2
0
        private Inline CreateInlineInternal(TextBlock textBlock, InlineCreationContext currentStateType)
        {
            switch (Name)
            {
            case "br":
                return(new LineBreak());

            case "binding":
            case "text":

                Inline result;
                if (Name == "binding")
                {
                    result = new Bold(new Run("{Binding}"));
                    if (Contains("path") && (textBlock.DataContext != null))
                    {
                        var dataContext  = textBlock.DataContext;
                        var propertyName = _variables["path"];
                        var property     = dataContext.GetType().GetProperty(propertyName);

                        if (property != null && property.CanRead == true)
                        {
                            var value = property.GetValue(dataContext, null);
                            result = new Run(value?.ToString() ?? "");
                        }
                    }
                }
                else
                {
                    result = new Run(_variables["value"]);
                }

                if (currentStateType.SubScript)
                {
                    result.SetCurrentValue(Typography.VariantsProperty, FontVariants.Subscript);
                }

                if (currentStateType.SuperScript)
                {
                    result.SetCurrentValue(Typography.VariantsProperty, FontVariants.Superscript);
                }

                if (currentStateType.Bold)
                {
                    result = new Bold(result);
                }

                if (currentStateType.Italic)
                {
                    result = new Italic(result);
                }

                if (currentStateType.Underline)
                {
                    result = new Underline(result);
                }

                if (currentStateType.Foreground.HasValue)
                {
                    result.Foreground = new SolidColorBrush(currentStateType.Foreground.Value);
                }

                return(result);

            case "img":
                if (!Contains("source"))
                {
                    return(new Run());
                }

                var width = double.NaN;
                if (Contains("width") && double.TryParse(_variables["width"], out var internal_width))
                {
                    width = internal_width;
                }

                var height = double.NaN;
                if (Contains("height") && double.TryParse(_variables["height"], out var internal_height))
                {
                    height = internal_height;
                }

                if (!Uri.TryCreate(_variables["source"], UriKind.RelativeOrAbsolute, out var uri))
                {
                    return(new Run());
                }

                var bitmap = new BitmapImage
                {
                    CacheOption = BitmapCacheOption.OnLoad
                };

                bitmap.BeginInit();
                bitmap.UriSource = uri;
                bitmap.EndInit();

                // TODO fetch and apply style
                var image = new Image
                {
                    Source = bitmap,
                    Width  = width,
                    Height = height
                };

                if (Contains("href"))
                {
                    return(TryWrapInHyperLink(new InlineUIContainer(image), _variables["href"]));
                }

                return(new InlineUIContainer(image));

            default:
                return(new Run());
            }
        }
Esempio n. 3
0
        public Inline CreateInline(TextBlock textBlock, InlineCreationContext currentStateType)
        {
            var result = CreateInlineInternal(textBlock, currentStateType);

            return(TryWrapInHyperLink(result, currentStateType.HyperLink?.Trim('\"')));
        }