protected override void ImportData(XmlNode fieldNode, ImportContext context)
{
if (string.IsNullOrEmpty(fieldNode.InnerXml))
{
this.SetData(null);
return;
}
var data = new RichTextFieldValue();
var childElements = fieldNode.SelectNodes("*");
if (childElements != null)
{
// Backward compatibility: if there is no any child element, the node's text is the Text of the RichText.
// Note: whitespace only or empty element interpreted as null.
if (childElements.Count == 0)
{
data.Text = fieldNode.InnerText;
}
else
{
foreach (XmlElement childElement in childElements)
{
switch (childElement.LocalName)
{
case "Text": data.Text = childElement.InnerText; break;
case "Editor": data.Editor = childElement.InnerText; break;
}
}
}
}
this.SetData(data);
}
protected override object ConvertTo(object[] handlerValues)
{
RichTextFieldValue data = null;
Type propertyType = this.GetHandlerSlot(0);
if (propertyType == typeof(string))
{
var src = (string)handlerValues[0];
if (string.IsNullOrEmpty(src))
{
return(null);
}
try
{
data = JsonConvert.DeserializeObject <RichTextFieldValue>(src);
}
catch (Exception e) // rethrow
{
data = new RichTextFieldValue {
Text = src
};
}
}
else if (propertyType == typeof(RichTextFieldValue))
{
data = (RichTextFieldValue)handlerValues[0];
}
return(data);
}
protected override object[] ConvertFrom(object value)
{
// Accepts: string, JObject, RichTextFieldValue
object converted = null;
Type propertyType = this.GetHandlerSlot(0);
if (propertyType == typeof(string))
{
if (value is string stringValue)
{
converted = EncodeTransferData(new RichTextFieldValue {
Text = stringValue
});
}
if (value is JObject jObject)
{
var src = jObject.ToString();
// check
var data = JsonConvert.DeserializeObject <RichTextFieldValue>(src);
// convert
converted = src;
}
else if (value is RichTextFieldValue rtf)
{
converted = EncodeTransferData(rtf);
}
}
else if (propertyType == typeof(RichTextFieldValue))
{
if (value is string stringValue)
{
converted = new RichTextFieldValue {
Text = stringValue
};
}
if (value is JObject jObject)
{
// check
converted = JsonConvert.DeserializeObject <RichTextFieldValue>(jObject.ToString());
}
else if (value is RichTextFieldValue rtf)
{
converted = rtf;
}
}
return(new object[] { converted });
}
private string EncodeTransferData(RichTextFieldValue data)
{
return(JsonConvert.SerializeObject(data));
}
