public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
PropertyDescriptorCollection coll = TypeDescriptor.GetProperties(this, attributes, true);
List<PropertyDescriptor> props = new List<PropertyDescriptor>();
string engine = Engine.ToLowerInvariant();
bool engineIsMyIsam = engine == "myisam";
foreach (PropertyDescriptor pd in coll)
{
if (!pd.IsBrowsable) continue;
if (pd.Name == "DataDirectory" || pd.Name == "IndexDirectory")
{
CustomPropertyDescriptor newPd = new CustomPropertyDescriptor(pd);
newPd.SetReadOnly(!engineIsMyIsam);
props.Add(newPd);
}
else if ((pd.Name == "DelayKeyWrite" || pd.Name == "CheckSum" || pd.Name == "PackKeys") &&
!engineIsMyIsam)
{
}
else if (pd.Name == "InsertMethod" && engine != "mrg_myisam") { }
else
props.Add(pd);
}
return new PropertyDescriptorCollection(props.ToArray());
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
PropertyDescriptorCollection coll = TypeDescriptor.GetProperties(this, attributes, true);
List<PropertyDescriptor> props = new List<PropertyDescriptor>();
PropertyDescriptorStyles setStyle;
foreach (PropertyDescriptor pd in coll)
{
if (!pd.IsBrowsable)
continue;
if (this.isNew)
setStyle = PropertyDescriptorStyles.Add;
else
{
switch (pd.Name)
{
case "Type":
setStyle = PropertyDescriptorStyles.AddReadOnly;
break;
case "IsUnique":
case "Name":
setStyle = (IsPrimary ? PropertyDescriptorStyles.AddReadOnly : PropertyDescriptorStyles.Add);
break;
case "FullText":
setStyle = (Spatial || String.Compare(table.Engine, "myisam", true) != 0 ? PropertyDescriptorStyles.AddReadOnly : PropertyDescriptorStyles.Skip);
break;
case "Spatial":
setStyle = (FullText || String.Compare(table.Engine, "myisam", true) != 0 ? PropertyDescriptorStyles.AddReadOnly : PropertyDescriptorStyles.Skip);
break;
default:
setStyle = PropertyDescriptorStyles.Add;
break;
}
}
switch (setStyle)
{
case PropertyDescriptorStyles.Add:
props.Add(pd);
break;
case PropertyDescriptorStyles.AddReadOnly:
CustomPropertyDescriptor newPd = new CustomPropertyDescriptor(pd);
newPd.SetReadOnly(true);
props.Add(newPd);
break;
// when PropertyDescriptorStyles.Skip nothing is added to the props list.
}
}
return new PropertyDescriptorCollection(props.ToArray());
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
PropertyDescriptorCollection coll =
TypeDescriptor.GetProperties(this, attributes, true);
List<PropertyDescriptor> props = new List<PropertyDescriptor>();
foreach (PropertyDescriptor pd in coll)
{
if (!pd.IsBrowsable) continue;
if (pd.Name == "Precision" || pd.Name == "Scale")
{
if (DataType != null &&
DataType.ToLowerInvariant() == "decimal")
props.Add(pd);
}
else if (pd.Name == "CharacterSet" || pd.Name == "Collation")
{
CustomPropertyDescriptor newPd = new CustomPropertyDescriptor(pd);
newPd.SetReadOnly(DataType == null ||
!Metadata.IsStringType(DataType));
props.Add(newPd);
}
else
props.Add(pd);
}
return new PropertyDescriptorCollection(props.ToArray());
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
PropertyDescriptorCollection coll =
TypeDescriptor.GetProperties(this, attributes, true);
List<PropertyDescriptor> props = new List<PropertyDescriptor>();
foreach (PropertyDescriptor pd in coll)
{
if (!pd.IsBrowsable) continue;
if (pd.Name == "IsUnique" || pd.Name == "Name" || pd.Name == "Type")
{
if (IsPrimary)
{
CustomPropertyDescriptor newPd = new CustomPropertyDescriptor(pd);
newPd.SetReadOnly(true);
props.Add(newPd);
}
}
else if (pd.Name == "FullText" && (Spatial ||
String.Compare(table.Engine, "myisam", true) != 0))
{
CustomPropertyDescriptor newPd = new CustomPropertyDescriptor(pd);
newPd.SetReadOnly(true);
props.Add(newPd);
}
else if (pd.Name == "Spatial" && (FullText ||
String.Compare(table.Engine, "myisam", true) != 0))
{
CustomPropertyDescriptor newPd = new CustomPropertyDescriptor(pd);
newPd.SetReadOnly(true);
props.Add(newPd);
}
else
props.Add(pd);
}
return new PropertyDescriptorCollection(props.ToArray());
}