/// <summary>
/// Deserializes from the given stream
/// Converts any values in OtherProperties dictionary to appropriate types - e.g FirstColor / SecondColor to System.Windows.Media.Color
/// </summary>
/// <param name="metadataPart"></param>
/// <returns></returns>
public static SnapshotMetaInfo DeserializeFromStream(Stream metadataPart)
{
using (StreamReader reader = new StreamReader(metadataPart))
{
System.Drawing.PointConverter converter = new System.Drawing.PointConverter();
string jsonMeta = reader.ReadToEnd();
SnapshotMetaInfo initial = JsonConvert.DeserializeObject <SnapshotMetaInfo>(jsonMeta);
ConvertSnapshotColor(initial.OtherProperties, SnapshotMetaPropertyName.FirstColor);
ConvertSnapshotColor(initial.OtherProperties, SnapshotMetaPropertyName.SecondColor);
ConvertSnapshotPoint(initial.OtherProperties, SnapshotMetaPropertyName.FirstPixel, converter);
ConvertSnapshotPoint(initial.OtherProperties, SnapshotMetaPropertyName.SecondPixel, converter);
return(initial);
}
}
/// <summary>
/// Attempts to convert the specified property from its string representation in the loaded dictionary
/// to its typed version. Sets the value to null if conversion fails. Intended for use with System.Drawing.Point
/// </summary>
/// <param name="properties"></param>
/// <param name="property"></param>
/// <param name="converter"></param>
private static void ConvertSnapshotPoint(Dictionary <SnapshotMetaPropertyName, object> properties,
SnapshotMetaPropertyName property, System.Drawing.PointConverter converter)
{
object strVal = null;
if (properties?.TryGetValue(property, out strVal) == true)
{
try
{
properties[property] = converter.ConvertFromString((string)strVal);
}
catch (NotSupportedException)
{
properties[property] = null;
}
}
}
private static void _SetObjValue(object obj, System.Data.DataRow row, System.Reflection.PropertyInfo p, string parentProName)
{
string colName = p.Name;
if (parentProName != null)
{
colName += "-" + parentProName;
}
if (row.Table.Columns.IndexOf(colName) < 0)
{
return;
}
//if (p.PropertyType.IsEnum)
//{
// p.SetValue(obj, System.Convert.ToInt32(row[colName]), null);
//}
//else
//{
// var converter = System.ComponentModel.TypeDescriptor.GetConverter(p.PropertyType);
// object cov = converter.ConvertFromString(row[colName].ToString());
// p.SetValue(obj, cov, null);
//}
if (p.PropertyType == typeof(string))
{
p.SetValue(obj, row[colName].ToString(), null);
}
else if (p.PropertyType == typeof(Guid))
{
p.SetValue(obj, Guid.Parse(row[colName].ToString()), null);
}
else if (p.PropertyType == typeof(SByte))
{
p.SetValue(obj, (SByte)System.Convert.ToInt32(row[colName]), null);
}
else if (p.PropertyType == typeof(Int16))
{
p.SetValue(obj, (Int16)System.Convert.ToInt32(row[colName]), null);
}
else if (p.PropertyType == typeof(Int32))
{
p.SetValue(obj, System.Convert.ToInt32(row[colName]), null);
}
else if (p.PropertyType == typeof(System.DateTime))
{
p.SetValue(obj, DateTime.Parse(row[colName].ToString()), null);
}
else if (p.PropertyType == typeof(Int64))
{
p.SetValue(obj, System.Convert.ToInt64(row[colName]), null);
}
else if (p.PropertyType == typeof(Byte))
{
p.SetValue(obj, (Byte)System.Convert.ToUInt32(row[colName]), null);
}
else if (p.PropertyType == typeof(UInt16))
{
p.SetValue(obj, (UInt16)System.Convert.ToUInt32(row[colName]), null);
}
else if (p.PropertyType == typeof(UInt32))
{
p.SetValue(obj, System.Convert.ToUInt32(row[colName]), null);
}
else if (p.PropertyType == typeof(UInt64))
{
p.SetValue(obj, System.Convert.ToUInt64(row[colName]), null);
}
else if (p.PropertyType == typeof(Single))
{
p.SetValue(obj, System.Convert.ToSingle(row[colName]), null);
}
else if (p.PropertyType == typeof(Double))
{
p.SetValue(obj, System.Convert.ToDouble(row[colName]), null);
}
else if (p.PropertyType == typeof(bool))
{
string b = row[colName].ToString();
if (b.ToLower() == "true")
{
p.SetValue(obj, true, null);
}
else
{
p.SetValue(obj, false, null);
}
}
else if (p.PropertyType == typeof(System.Drawing.PointF))
{
var converter = new System.Drawing.PointConverter();
System.Drawing.Point pt = (System.Drawing.Point)converter.ConvertFromString(row[colName].ToString());
p.SetValue(obj, new System.Drawing.PointF(pt.X, pt.Y), null);
}
else if (p.PropertyType.IsEnum)
{
p.SetValue(obj, System.Convert.ToInt32(row[colName]), null);
}
}