private static DynStandardValue[] GetStandardValues(Type enumType, BindingFlags flags)
{
var arrAttr = new ArrayList();
var fields = enumType.GetFields(flags);
foreach (var fi in fields)
{
var sv = new DynStandardValue(Enum.ToObject(enumType, fi.GetValue(null)));
sv.DisplayName = Enum.GetName(enumType, sv.Value); // by default
if (fi.GetCustomAttributes(typeof(DynDisplayNameAttribute), false) is DynDisplayNameAttribute[] dna && dna.Length > 0)
{
sv.DisplayName = dna[0].DisplayName;
}
if (fi.GetCustomAttributes(typeof(System.ComponentModel.DescriptionAttribute), false) is System.ComponentModel.DescriptionAttribute[] da && da.Length > 0)
{
sv.Description = da[0].Description;
}
if (fi.GetCustomAttributes(typeof(System.ComponentModel.BrowsableAttribute), false) is System.ComponentModel.BrowsableAttribute[] ba && ba.Length > 0)
{
sv.Visible = ba[0].Browsable;
}
if (fi.GetCustomAttributes(typeof(System.ComponentModel.ReadOnlyAttribute), false) is System.ComponentModel.ReadOnlyAttribute[] roa && roa.Length > 0)
{
sv.Enabled = !roa[0].IsReadOnly;
}
arrAttr.Add(sv);
}
var retAttr = arrAttr.ToArray(typeof(DynStandardValue)) as DynStandardValue[];
return(retAttr);
}
public static void AddProperty <T>(this PropertyTarget target, string key, string displayName, string description, T initialValue, T[] standardValues = null)
{
DynTypeDescriptor.InstallTypeDescriptor(target);
var td = DynTypeDescriptor.GetTypeDescriptor(target);
if (td == null)
{
throw new Exception("Could not load type descriptor");
}
var pd = new DynPropertyDescriptor(target.GetType(), key, typeof(T), initialValue
, new BrowsableAttribute(true)
, new DisplayNameAttribute(displayName)
, new DescriptionAttribute(description)
);
if (standardValues != null && standardValues.Length > 0)
{
pd.Attributes.Add(new TypeConverterAttribute(typeof(DynStandardValueConverter)), true);
foreach (var value in standardValues)
{
var sv = new DynStandardValue(value);
sv.DisplayName = value.ToString();
pd.StandardValues.Add(sv);
}
}
td.GetProperties().Add(pd);
}
private void UpdateStringFromResource(System.ComponentModel.ITypeDescriptorContext context, DynStandardValue sv)
{
ResourceAttribute ra = null;
if (context != null && context.PropertyDescriptor != null)
{
ra = (ResourceAttribute)context.PropertyDescriptor.Attributes.Get(typeof(ResourceAttribute));
}
if (ra == null)
{
ra = (ResourceAttribute)System.ComponentModel.TypeDescriptor.GetAttributes(typeof(bool)).Get(typeof(ResourceAttribute));
}
if (ra == null)
{
return;
}
ResourceManager rm = null;
// construct the resource manager using the resInfo
try
{
if (String.IsNullOrEmpty(ra.BaseName) == false && String.IsNullOrEmpty(ra.AssemblyFullName) == false)
{
rm = new ResourceManager(ra.BaseName, Assembly.ReflectionOnlyLoad(ra.AssemblyFullName));
}
else if (String.IsNullOrEmpty(ra.BaseName) == false)
{
rm = new ResourceManager(ra.BaseName, typeof(bool).Assembly);
}
else if (String.IsNullOrEmpty(ra.BaseName) == false)
{
rm = new ResourceManager(ra.BaseName, typeof(bool).Assembly);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return;
}
if (rm == null)
{
return;
}
// update the display and description string from resource using the resource manager
string keyName = ra.KeyPrefix + sv.Value + "_Name"; // display name
string keyDesc = ra.KeyPrefix + sv.Value + "_Desc"; // description
string dispName = string.Empty;
string description = string.Empty;
try
{
dispName = rm.GetString(keyName);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
if (string.IsNullOrEmpty(dispName) == false)
{
sv.DisplayName = dispName;
}
try
{
description = rm.GetString(keyDesc);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
if (string.IsNullOrEmpty(description) == false)
{
sv.Description = description;
}
}
