// NOT thread-safe over a request because it modifies the
// global UmbracoContext.Current.InPreviewMode status. So it
// should never execute in // over the same UmbracoContext with
// different preview modes.
private string RenderRteMacros(string source, bool preview)
{
IUmbracoContext umbracoContext = _umbracoContextAccessor.GetRequiredUmbracoContext();
using (umbracoContext.ForcedPreview(preview)) // force for macro rendering
{
var sb = new StringBuilder();
MacroTagParser.ParseMacros(
source,
// callback for when text block is found
textBlock => sb.Append(textBlock),
// callback for when macro syntax is found
(macroAlias, macroAttributes) => sb.Append(_macroRenderer.RenderAsync(
macroAlias,
umbracoContext.PublishedRequest?.PublishedContent,
// needs to be explicitly casted to Dictionary<string, object>
macroAttributes.ConvertTo(x => (string)x, x => x) !).GetAwaiter().GetResult().Text));
return(sb.ToString());
}
}
// NOT thread-safe over a request because it modifies the
// global UmbracoContext.Current.InPreviewMode status. So it
// should never execute in // over the same UmbracoContext with
// different preview modes.
static string RenderRteMacros(string source, bool preview)
{
// save and set for macro rendering
var inPreviewMode = UmbracoContext.Current.InPreviewMode;
UmbracoContext.Current.InPreviewMode = preview;
var sb = new StringBuilder();
try
{
var umbracoHelper = new UmbracoHelper(UmbracoContext.Current);
MacroTagParser.ParseMacros(
source,
//callback for when text block is found
textBlock => sb.Append(textBlock),
//callback for when macro syntax is found
(macroAlias, macroAttributes) => sb.Append(umbracoHelper.RenderMacro(
macroAlias,
//needs to be explicitly casted to Dictionary<string, object>
macroAttributes.ConvertTo(x => (string)x, x => x)).ToString()));
}
finally
{
// restore
UmbracoContext.Current.InPreviewMode = inPreviewMode;
}
return(sb.ToString());
}
/// <summary>
/// Parses the macros inside the text, by creating child elements for each item.
/// </summary>
/// <param name="item">The item.</param>
protected virtual void ParseMacros(Item item)
{
// do nothing if the macros have already been rendered
if (item.Controls.Count > 0)
{
return;
}
string elementText = GetFieldContents(item);
using (DisposableTimer.DebugDuration <ItemRenderer>("Parsing Macros"))
{
MacroTagParser.ParseMacros(
elementText,
//callback for when a text block is parsed
textBlock => item.Controls.Add(new LiteralControl(textBlock)),
//callback for when a macro is parsed:
(macroAlias, attributes) =>
{
var macroControl = new Macro
{
Alias = macroAlias
};
foreach (var i in attributes.Where(i => macroControl.Attributes[i.Key] == null))
{
macroControl.Attributes.Add(i.Key, i.Value);
}
item.Controls.Add(macroControl);
});
}
}
public bool Init(int CurrentNodeId, string PropertyData, out object instance)
{
//we're going to send the string through the macro parser and create the output string.
if (UmbracoContext.Current != null)
{
var sb = new StringBuilder();
var umbracoHelper = new UmbracoHelper(UmbracoContext.Current);
MacroTagParser.ParseMacros(
PropertyData,
//callback for when text block is found
textBlock => sb.Append(textBlock),
//callback for when macro syntax is found
(macroAlias, macroAttributes) => sb.Append(umbracoHelper.RenderMacro(
macroAlias,
//needs to be explicitly casted to Dictionary<string, object>
macroAttributes.ConvertTo(x => (string)x, x => (object)x)).ToString()));
instance = new HtmlString(sb.ToString());
}
else
{
//we have no umbraco context, so best we can do is convert to html string
instance = new HtmlString(PropertyData);
}
return(true);
}
/// <summary>
/// Parses out media UDIs from an HTML string based on embedded macro parameter values.
/// </summary>
/// <param name="text">HTML string</param>
/// <returns></returns>
public IEnumerable <UmbracoEntityReference> FindUmbracoEntityReferencesFromEmbeddedMacros(string text)
{
// There may be more than one macro with the same alias on the page so using a tuple
var foundMacros = new List <Tuple <string?, Dictionary <string, string> > >();
// This legacy ParseMacros() already finds the macros within a Rich Text Editor using regexes
// It seems to lowercase the macro parameter alias - so making the dictionary case insensitive
MacroTagParser.ParseMacros(text, textblock => { }, (macroAlias, macroAttributes) => foundMacros.Add(new Tuple <string?, Dictionary <string, string> >(macroAlias, new Dictionary <string, string>(macroAttributes, StringComparer.OrdinalIgnoreCase))));
foreach (var umbracoEntityReference in GetUmbracoEntityReferencesFromMacros(foundMacros))
{
yield return(umbracoEntityReference);
}
}
/// <summary>
/// Return IHtmlString so devs doesn't need to decode html
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public override Attempt <object> ConvertPropertyValue(object value)
{
//we're going to send the string through the macro parser and create the output string.
var sb = new StringBuilder();
var umbracoHelper = new UmbracoHelper(UmbracoContext.Current);
MacroTagParser.ParseMacros(
value.ToString(),
//callback for when text block is found
textBlock => sb.Append(textBlock),
//callback for when macro syntax is found
(macroAlias, macroAttributes) => sb.Append(umbracoHelper.RenderMacro(
macroAlias,
//needs to be explicitly casted to Dictionary<string, object>
macroAttributes.ConvertTo(x => (string)x, x => (object)x)).ToString()));
return(new Attempt <object>(true, new HtmlString(sb.ToString())));
}
/// <summary>
/// Parses the macros inside the text, by creating child elements for each item.
/// </summary>
/// <param name="item">The item.</param>
protected virtual void ParseMacros(Item item)
{
// do nothing if the macros have already been rendered
if (item.Controls.Count > 0)
{
return;
}
var elementText = GetFieldContents(item);
//Don't parse macros if there's a content item assigned since the content value
// converters take care of that, just add the already parsed text
if (item.ContentItem != null)
{
item.Controls.Add(new LiteralControl(elementText));
}
else
{
using (DisposableTimer.DebugDuration <ItemRenderer>("Parsing Macros"))
{
MacroTagParser.ParseMacros(
elementText,
//callback for when a text block is parsed
textBlock => item.Controls.Add(new LiteralControl(textBlock)),
//callback for when a macro is parsed:
(macroAlias, attributes) =>
{
var macroControl = new Macro
{
Alias = macroAlias
};
foreach (var i in attributes.Where(i => macroControl.Attributes[i.Key] == null))
{
macroControl.Attributes.Add(i.Key, i.Value);
}
item.Controls.Add(macroControl);
});
}
}
}
// NOT thread-safe over a request because it modifies the
// global UmbracoContext.Current.InPreviewMode status. So it
// should never execute in // over the same UmbracoContext with
// different preview modes.
string RenderMacros(string source, bool preview)
{
var umbracoContext = _umbracoContextAccessor.UmbracoContext;
using (umbracoContext.ForcedPreview(preview)) // force for macro rendering
{
var sb = new StringBuilder();
var umbracoHelper = new UmbracoHelper(umbracoContext, _services);
MacroTagParser.ParseMacros(
source,
//callback for when text block is found
textBlock => sb.Append(textBlock),
//callback for when macro syntax is found
(macroAlias, macroAttributes) => sb.Append(umbracoHelper.RenderMacro(
macroAlias,
//needs to be explicitly casted to Dictionary<string, object>
macroAttributes.ConvertTo(x => (string)x, x => x)).ToString()));
return(sb.ToString());
}
}
