/// <summary>
/// Render HTML for a link
/// </summary>
/// <param name="link">The link to render</param>
/// <param name="model">The model containing the link</param>
/// <param name="field">An expression that points to the link</param>
/// <param name="attributes">A collection of attributes to added to the link</param>
/// <param name="isEditable">Indicate if the link should be editable in the page editor</param>
/// <param name="contents">Content to go in the link</param>
/// <returns>An "a" HTML element</returns>
public virtual string RenderLink <T>(T model, Expression <Func <T, object> > field, NameValueCollection attributes = null, bool isEditable = false, string contents = null)
{
var sb = new StringBuilder();
var writer = new StringWriter(sb);
RenderingResult result = null;
if (IsInEditingMode && isEditable)
{
result = MakeEditable(
field,
null,
model,
contents == null ? string.Empty: "haschildren=true",
_context, SitecoreContext.Database, writer);
}
else
{
result = BeginRenderLink(
field.Compile().Invoke(model) as Fields.Link, attributes, contents, writer
);
}
result.Dispose();
writer.Flush();
writer.Close();
return(sb.ToString());
}
/// <summary>
/// Render HTML for a link
/// </summary>
/// <param name="link">The link to render</param>
/// <param name="model">The model containing the link</param>
/// <param name="field">An expression that points to the link</param>
/// <param name="attributes">A collection of parameters to added to the link</param>
/// <param name="isEditable">Indicate if the link should be editable in the page editor</param>
/// <param name="contents">Content to go in the link</param>
/// <returns>An "a" HTML element</returns>
public virtual string RenderLink <T>(T model, Expression <Func <T, object> > field, object attributes = null, bool isEditable = false, string contents = null)
{
NameValueCollection attrs = null;
if (attributes is NameValueCollection)
{
attrs = attributes as NameValueCollection;
}
else
{
attrs = Utilities.GetPropertiesCollection(attributes, true);
}
var sb = new StringBuilder();
var writer = new StringWriter(sb);
var linkField = field.Compile().Invoke(model) as Fields.Link;
RenderingResult result = null;
if (IsInEditingMode && isEditable)
{
if (!string.IsNullOrEmpty(contents))
{
attrs["haschildren"] = "true";
}
if (contents.IsNotNullOrEmpty())
{
attrs.Add("haschildren", "true");
}
if (linkField != null)
{
AttributeCheck(attrs, "class", linkField.Class);
AttributeCheck(attrs, "title", linkField.Title);
}
result = MakeEditable(
field,
null,
model,
Utilities.ConstructQueryString(attrs),
_context, SitecoreContext.Database, writer);
if (contents.IsNotNullOrEmpty())
{
sb.Append(contents);
}
}
else
{
result = BeginRenderLink(
GetCompiled(field).Invoke(model) as Fields.Link, attrs, contents, writer
);
}
result.Dispose();
writer.Flush();
writer.Close();
return(sb.ToString());
}