public static RenderFragment RenderHtmlField(this BlazorItemField <string> htmlField, string tag, IDictionary <string, object>?htmlAttributes) => builder =>
{
if (htmlField?.Value == null)
{
return;
}
if (string.IsNullOrWhiteSpace(tag))
{
tag = "p";
}
builder.OpenElement(0, tag);
if (htmlAttributes != null)
{
builder.AddMultipleAttributes(1, htmlAttributes);
}
builder.AddMarkupContent(2, htmlField.Value);
builder.CloseElement();
};
public static RenderFragment RenderLinkField(this BlazorItemField<BlazorFieldValueLink> linkField, IDictionary<string, object>? htmlAttributes) => builder =>
{
if(linkField?.Value == null)
return;
var anchorAttrs = new Dictionary<string, object>
{
{ "href", linkField.Value.Href },
{ "class", linkField.Value.Class },
{ "title", linkField.Value.Text },
{ "target", linkField.Value.Target }
};
if (htmlAttributes != null && ("_blank".Equals(anchorAttrs["target"]?.ToString(), StringComparison.InvariantCultureIgnoreCase) && !htmlAttributes.ContainsKey("rel")))
{
// information disclosure attack prevention keeps target blank site from getting ref to window.opener
anchorAttrs["rel"] = "noopener noreferrer";
}
builder.OpenElement(0, "a");
builder.AddMultipleAttributes(1, anchorAttrs);
if (htmlAttributes != null)
builder.AddMultipleAttributes(1, htmlAttributes);
if (!string.IsNullOrWhiteSpace(linkField.Value.Text))
builder.AddContent(2, linkField.Value.Text);
builder.CloseElement();
};
public static RenderFragment RenderImageField(this BlazorItemField<BlazorFieldValueImage> imageField, ImageSizeParameters? imageParams, IDictionary<string, object>? htmlAttributes, IEnumerable<ImageSizeParameters>? srcSet) => builder =>
{
if (imageField?.Value == null)
return;
var imageAttributes = GetImageAttributes(imageField.Value.Src, srcSet, htmlAttributes, imageParams);
if (imageAttributes == null) return;
builder.OpenElement(0, "img");
builder.AddMultipleAttributes(1, imageAttributes);
builder.CloseElement();
};
private IBlazorItemField CreateBlazorItemField <T>(KeyValuePair <string, BlazorRouteField> blazorRouteField)
{
if (blazorRouteField.Value == null)
{
return(null);
}
BlazorItemField <T> field = null;
T fieldValue = default;
try
{
switch (blazorRouteField.Value.Type)
{
case FieldTypes.HtmlField:
case FieldTypes.PlainTextField:
case FieldTypes.CheckboxField:
fieldValue = (T)Convert.ChangeType(blazorRouteField.Value.Value.ToString(), typeof(T));
break;
default:
fieldValue = JsonSerializer.Deserialize <T>(blazorRouteField.Value.Value.ToString());
break;
}
field = new BlazorItemField <T>
{
FieldName = blazorRouteField.Key,
Value = fieldValue,
Editable = blazorRouteField.Value?.Editable,
Type = blazorRouteField.Value?.Type
};
}
catch (Exception ex)
{
Console.WriteLine($"Error creating field {blazorRouteField.Value.Value}. Error { ex.Message}");
}
return(field);
}
private IBlazorItemField CreateComplexBlazorItemField <T>(KeyValuePair <string, BlazorRouteField> blazorRouteField) where T : class
{
if (blazorRouteField.Value == null)
{
return(null);
}
BlazorItemField <T> blazorItemField = null;
T fieldValue = default;
try
{
switch (blazorRouteField.Value.Type)
{
case FieldTypes.MultiListField:
BlazorFieldValueMultiList fieldValueMultiList = new BlazorFieldValueMultiList()
{
Values = new List <BlazorFieldValueMultiListItem>()
};
foreach (var item in blazorRouteField.Value.Values)
{
if (item == null || string.IsNullOrWhiteSpace(item.ToString()))
{
continue;
}
BlazorFieldValueMultiListItem multiListItem = new BlazorFieldValueMultiListItem()
{
Id = item.Id,
Url = item.Url
};
var fields = CreateBlazorItemFields(item.Fields);
multiListItem.BlazorItemFields = fields;
fieldValueMultiList.Values.Add(multiListItem);
}
fieldValue = fieldValueMultiList as T;
break;
default:
break;
}
blazorItemField = new BlazorItemField <T>
{
FieldName = blazorRouteField.Key,
Value = fieldValue,
Editable = blazorRouteField.Value?.Editable,
Type = blazorRouteField.Value?.Type
};
}
catch (Exception ex)
{
Console.WriteLine($"Error creating complex field {fieldValue?.GetType()}. Error { ex.Message}");
}
return(blazorItemField);
}
