private void AddPropertyInternal(string name, string value,
ControlBuilder builder, bool fItemProp)
{
PropertySetterEntry entry = new PropertySetterEntry();
bool fTemplate = false;
string nameForCodeGen = null;
entry._value = value;
entry._builder = builder;
entry._fItemProp = fItemProp;
MemberInfo memberInfo = null;
PropertyInfo propInfo = null;
FieldInfo fieldInfo = null;
// Is the property a template?
if (builder != null && builder is TemplateBuilder)
{
fTemplate = true;
}
if (_objType != null && name != null) // attempt to locate a public property or field
// of given name on this type of object
{
memberInfo = PropertyMapper.GetMemberInfo(_objType, name, out nameForCodeGen);
}
if (memberInfo != null) // memberInfo may be a PropertyInfo or FieldInfo
{
if (memberInfo is PropertyInfo) // public property
{
propInfo = (PropertyInfo)memberInfo;
entry._propType = propInfo.PropertyType;
if (propInfo.GetSetMethod() == null) // property is readonly
{
if (builder == null && !_fSupportsAttributes) // only complex property is allowed to be readonly
{
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Property_readonly, name));
}
if (builder != null) // complex property is allowed to be readonly
// set a flag to note that property is readonly
{
entry._fReadOnlyProp = true;
}
else if (_fSupportsAttributes) // allow attribute to be set via SetAttribute
{
entry._propType = null;
entry._name = name;
}
}
}
else // public field
{
fieldInfo = (FieldInfo)memberInfo;
entry._propType = fieldInfo.FieldType;
}
if (entry._propType != null)
{
entry._propInfo = propInfo;
entry._fieldInfo = fieldInfo;
entry._name = nameForCodeGen;
// If it's a databound prop, we don't want to mess with the value,
// since it's a piece of code.
if (!_fDataBound)
{
// check that the property is persistable, i.e., it makes sense to have it in
// the aspx template
if (_checkPersistable && nameForCodeGen != null)
{
PropertyDescriptor propDesc = _descriptors[nameForCodeGen];
if (propDesc != null)
{
if (propDesc.Attributes.Contains(DesignerSerializationVisibilityAttribute.Hidden))
{
throw new HttpException(HttpRuntime.FormatResourceString(SR.Property_Not_Persistable, name));
}
}
}
else
{
if (_isHtmlControl)
{
PropertyDescriptor propDesc = _descriptors[nameForCodeGen];
if (propDesc != null)
{
if (propDesc.Attributes.Contains(HtmlControlPersistableAttribute.No))
{
throw new HttpException(HttpRuntime.FormatResourceString(SR.Property_Not_Persistable, name));
}
}
}
}
entry._propValue = PropertyConverter.ObjectFromString(entry._propType,
memberInfo, entry._value);
// use actual property value to get the proper case-sensitive name for enum types
if (entry._propType.IsEnum)
{
if (entry._propValue == null)
{
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Invalid_enum_value,
entry._value, name, entry._propType.FullName));
}
entry._value = Enum.Format(entry._propType, entry._propValue, "G");
}
else if (entry._propType == typeof(Boolean))
{
// get the proper case-sensitive value for boolean
if (entry._value != null && entry._value.Length > 0)
{
entry._value = entry._value.ToLower(CultureInfo.InvariantCulture);
}
else
{
entry._propValue = true;
}
}
if (fTemplate)
{
// Check if the property has a TemplateContainerAttribute, and if
// it does, get the type out of it.
TemplateContainerAttribute templateAttrib =
(TemplateContainerAttribute)Attribute.GetCustomAttribute(propInfo, typeof(TemplateContainerAttribute), false);
if (templateAttrib != null)
{
if (!typeof(INamingContainer).IsAssignableFrom(templateAttrib.ContainerType))
{
throw new HttpException(HttpRuntime.FormatResourceString(
SR.Invalid_template_container, name, templateAttrib.ContainerType.FullName));
}
builder._ctrlType = templateAttrib.ContainerType;
}
}
}
}
}
else if (fItemProp)
{
}
else // could not locate a public property or field
// determine if there is an event of this name.
// do not look for events when running in designer
{
if (!_fInDesigner &&
_objType != null &&
name.Length >= 2 && string.Compare(name.Substring(0, 2), "on", true, CultureInfo.InvariantCulture) == 0)
{
string eventName = name.Substring(2);
if (_eventDescs == null)
{
_eventDescs = TypeDescriptor.GetEvents(_objType);
}
EventDescriptor eventFound = _eventDescs.Find(eventName, true);
if (eventFound != null) // an Add method has been located
{
PropertySetterEventEntry eventEntry = new PropertySetterEventEntry();
eventEntry._eventName = eventFound.Name;
eventEntry._handlerType = eventFound.EventType;
if (value == null || value.Length == 0)
{
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Event_handler_cant_be_empty, name));
}
eventEntry._handlerMethodName = value;
if (_events == null)
{
_events = new ArrayList(3);
}
// add to the list of events
_events.Add(eventEntry);
return;
}
}
// If attributes are not supported, or the property is a template or a
// complex property (which cannot be set through SetAttribute), fail.
if (!_fInDesigner && (!_fSupportsAttributes || builder != null))
{
if (_objType != null)
{
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Type_doesnt_have_property, _objType.FullName, name));
}
if (String.Compare(name, "name", true, CultureInfo.InvariantCulture) != 0)
{
throw new HttpException(HttpRuntime.FormatResourceString(SR.Templates_cannot_have_properties));
}
else
{
return;
}
}
// use the original property name for generic SetAttribute
entry._name = name;
}
if (_entries == null)
{
_entries = new ArrayList(3);
}
// add entry to the list
_entries.Add(entry);
}
/*
* Set all the properties we have on the passed in object
* This is not called when generating code for compiling... it is
* used in design-mode, and at runtime when the user calls Page.ParseControl
*/
internal void SetProperties(object obj)
{
Debug.Assert(_fInDesigner, "Expected to be running in design mode.");
object[] parameters = new object[1];
IAttributeAccessor attributeAccessor = null;
DataBindingCollection dataBindings = null;
if (_fDataBound && (_entries.Count != 0))
{
Debug.Assert(obj is Control, "SetProperties on databindings PropertySetter should only be called for controls.");
dataBindings = ((IDataBindingsAccessor)obj).DataBindings;
}
// Get the supported attribute interfaces
if (_fSupportsAttributes)
{
attributeAccessor = (IAttributeAccessor)obj;
}
IEnumerator en = _entries.GetEnumerator();
while (en.MoveNext())
{
PropertySetterEntry entry = (PropertySetterEntry)en.Current;
if (entry._propType == null)
{
if (entry._fItemProp)
{
try {
object objValue = entry._builder.BuildObject();
parameters[0] = objValue;
MethodInfo methodInfo = _objType.GetMethod("Add", BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static,
null /*binder*/, new Type[] { objValue.GetType() }, null /*modifiers*/);
Util.InvokeMethod(methodInfo, obj, parameters);
}
catch (Exception) {
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Cannot_add_value_not_collection, entry._value));
}
}
else
{
// If there is no property, use SetAttribute
if (attributeAccessor != null)
{
attributeAccessor.SetAttribute(entry._name, entry._value);
}
}
}
else
{
// Use the propinfo to set the prop
// Use either _propValue or _builder, whichever is set
if (entry._propValue != null)
{
try {
PropertyMapper.SetMappedPropertyValue(obj, entry._name, entry._propValue);
}
catch (Exception e) {
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Cannot_set_property,
entry._value, entry._name), e);
}
}
else if (entry._builder != null)
{
if (entry._fReadOnlyProp)
{
// a complex property is allowed to be readonly
try {
object objValue;
// Get the property since its readonly
MethodInfo methodInfo = entry._propInfo.GetGetMethod();
objValue = Util.InvokeMethod(methodInfo, obj, null);
// now we need to initialize this property
entry._builder.InitObject(objValue);
}
catch (Exception e) {
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Cannot_init, entry._name), e);
}
}
else
{
try {
object objValue = entry._builder.BuildObject();
parameters[0] = objValue;
// Set the property
MethodInfo methodInfo = entry._propInfo.GetSetMethod();
Util.InvokeMethod(methodInfo, obj, parameters);
}
catch (Exception e) {
throw new HttpException(
HttpRuntime.FormatResourceString(SR.Cannot_set_property,
entry._value, entry._name), e);
}
}
}
else if (dataBindings != null)
{
DataBinding binding = new DataBinding(entry._name, entry._propType, entry._value.Trim());
dataBindings.Add(binding);
}
else
{
Debug.Assert(false, "'" + entry._value + "' failed to be set on property '" + entry._name + "'.");
}
}
}
}
