自定义属性值转换器Umbraco返回空

using Umbraco.Core;
using Umbraco.Core.Models;
using Umbraco.Core.PropertyEditors;
using Umbraco.Core.PropertyEditors.ValueConverters;

public class CustomPropertyValueConverter : PropertyValueConverter
{
    public override bool IsConverter(PropertyType propertyType)
    {
        // 检查属性类型是否匹配你的自定义属性类型
        return propertyType.PropertyEditorAlias.Equals("your.custom.editor.alias");
    }

    public override Type DestinationType(PropertyType propertyType)
    {
        // 返回目标类型
        return typeof(YourCustomType);
    }

    public override object ConvertDataToSource(PROPERTYTYPE propertyType, object source, bool ignoreDefaultValues = false)
    {
        // 实现从源数据到目标类型的转换逻辑
        // 如果源数据为空，返回null或默认值
        if (source == null)
        {
            return null;
        }
        // 其他转换逻辑
        return new YourCustomType(source);
    }

    public override object ConvertDataToTarget(PROPERTYTYPE propertyType, object source, bool ignoreDefaultValues = false)
    {
        // 实现从目标类型到源数据的转换逻辑
        if (source == null)
        {
            return null;
        }
        // 其他转换逻辑
        return ((YourCustomType)source).ToString();
    }
}

using Umbraco.Core;
using Umbraco.Core.Models;
using Umbraco.Core.PropertyEditors;

[PropertyEditor("your.custom.editor.alias", "Your Custom Editor", "Your Custom Editor Description", "/path/to/icon.png")]
public class YourCustomEditor : PropertyEditor
{
    public YourCustomEditor(ILogger logger) : base(logger)
    {
    }

    protected override IConfigurationEditor CreateConfigurationEditor(IConfigurationEditorFactory factory)
    {
        return factory.CreateDefault();
    }

    public override object ParseValue(string value)
    {
        // 解析输入值
        return value;
    }

    public override string FormatValue(object value)
    {
        // 格式化输出值
        return value?.ToString();
    }
}

public override object ConvertDataToSource(PROPERTYTYPE propertyType, object source, bool ignoreDefaultValues = false)
{
    // 实现从源数据到目标类型的转换逻辑
    if (source == null)
    {
        return null;
----------------------------------------------
    }
    // 其他转换逻辑
    return new YourCustomType(source);
}

public override object ConvertDataToTarget(PROPERTYTYPE propertyType, object source, bool ignoreDefault VALUES = false)
{
    // 实现从目标类型到源数据的转换逻辑
    if (source == null)
    {
        return null;
    }
    // 其他转换逻辑
    return ((YourCustomType)source).ToString();
}

public override object ConvertDataToSource(PROPERTYTYPE propertyType, object source, bool ignoreDefaultValues = false)
{
    // 添加日志记录
    Umbraco.Core.Logging.LogHelper.Info(typeof(CustomPropertyValueConverter), "ConvertDataToSource called with source: " + source);

    if (source == null)
    {
        Umbraco.Core.Logging.LogHelper.Info(typeof(CustomPropertyValueConverter), "Source is null");
        return null;
    }
    // 其他转换逻辑
    return new YourCustomType(source);
}