/* TODO: Migrate */
/// <summary>
/// Renders the script for a given target control
/// </summary>
/// <param name="writer">The text writer</param>
/// <param name="targetControl">The control being extended</param>
private void RenderProfileBindings()
{
string profileComponent = null;
bool startElementWritten = false;
foreach (ProfilePropertyBinding profileItem in ProfileBindings)
{
if (profileComponent == null)
{
IScriptService profileService = EnsureProfileScriptService(ScriptManager.GetCurrent(Page), true);
Sys.Debug.assert(profileService != null, "Failed to get ProfileScriptService");
profileComponent = profileService.ID;
}
if (!startElementWritten)
{
startElementWritten = true;
writer.WriteStartElement("bindings");
}
writer.WriteStartElement("binding");
Sys.Debug.assert(!string.IsNullOrEmpty(profileItem.ProfilePropertyName), "Property Name is null or empty");
writer.WriteAttributeString("dataPath", profileItem.ProfilePropertyName);
writer.WriteAttributeString("dataContext", profileComponent);
string propertyName = profileItem.ExtenderPropertyName;
Sys.Debug.assert(!string.IsNullOrEmpty(propertyName), "Property Name is null or empty");
if (propertyName != null)
{
PropertyDescriptor pd = TypeDescriptor.GetProperties(props)[propertyName];
if (pd == null)
{
throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, "Can't find property '{0}' to bind to. Check the value of ExtenderPropertyName.", propertyName));
}
ClientPropertyNameAttribute displayName = (ClientPropertyNameAttribute)pd.Attributes[typeof(ClientPropertyNameAttribute)];
if (displayName != null && !displayName.IsDefaultAttribute())
{
propertyName = displayName.PropertyName;
}
writer.WriteAttributeString("property", propertyName);
writer.WriteAttributeString("direction", "InOut");
}
writer.WriteEndElement();
}
if (startElementWritten)
{
writer.WriteEndElement();
}
}
/// <summary>
/// Build act-data-* options attribute on control's element
/// </summary>
/// <param name="targetControl"></param>
/// <returns></returns>
internal static string BuildDataOptionsAttribute(Control targetControl)
{
if (!(targetControl is IControlResolver))
{
throw new Exception("JQuery control must derived from IControlResolver");
}
var ctlType = targetControl.GetType();
var properties = ctlType.GetProperties(BindingFlags.Public
| BindingFlags.Instance
| BindingFlags.DeclaredOnly).ToList();
var behaviorIdProp = ctlType.GetProperty("BehaviorID");
if (behaviorIdProp != null)
{
properties.Add(behaviorIdProp);
}
var dataOptions = new List <string>();
foreach (var property in properties)
{
if (property.GetSetMethod(false) == null)
{
continue;
}
var propType = property.PropertyType;
if (propType.IsSpecialName)
{
continue;
}
var skip = false;
var customAttrs = property.GetCustomAttributes(true);
IDReferencePropertyAttribute idReferencePropAttr = null;
UrlPropertyAttribute urlPropAttr = null;
ClientPropertyNameAttribute clientPropertyNameAttr = null;
foreach (var customAttr in customAttrs)
{
if (customAttr is PersistenceModeAttribute)
{
var persistenceModeAttr = customAttr as PersistenceModeAttribute;
if (persistenceModeAttr.Mode != PersistenceMode.Attribute)
{
skip = true;
break;
}
}
if (customAttr is BrowsableAttribute)
{
var browseableAttr = customAttr as BrowsableAttribute;
if (!browseableAttr.Browsable)
{
skip = true;
break;
}
}
if (customAttr is IDReferencePropertyAttribute)
{
idReferencePropAttr = customAttr as IDReferencePropertyAttribute;
}
if (customAttr is UrlPropertyAttribute)
{
urlPropAttr = customAttr as UrlPropertyAttribute;
}
if (customAttr is ClientPropertyNameAttribute)
{
clientPropertyNameAttr = customAttr as ClientPropertyNameAttribute;
}
}
if (skip)
{
continue;
}
// Determine default property value
var defaultValueAttr =
(DefaultValueAttribute)
property.GetCustomAttributes(typeof(DefaultValueAttribute), false).FirstOrDefault();
var defaultValue = defaultValueAttr != null
? defaultValueAttr.Value
: (propType.IsValueType ? Activator.CreateInstance(propType) : null);
// Determine property value
var value = property.GetValue(targetControl, null);
if (idReferencePropAttr != null)
{
var control = (targetControl as IControlResolver).ResolveControl((string)value);
if (control == null)
{
throw new Exception("Can't find control with ID '" + value + "'");
}
value = control.ClientID;
}
else if (urlPropAttr != null)
{
value = targetControl.ResolveClientUrl((string)value);
}
// Only add non-default property values
if (!object.Equals(value, defaultValue))
{
var formatedValue = value.ToString();
// Encode and quotize if value is string
if (propType.Equals(typeof(string)))
{
formatedValue = "'" + targetControl.Page.Server.HtmlEncode(formatedValue) + "'";
}
var propName = clientPropertyNameAttr == null
? property.Name
: clientPropertyNameAttr.PropertyName;
dataOptions.Add(string.Format("{0}:{1}", CamelCaseFormat(propName), formatedValue));
}
}
// Returns generated data options
return(string.Join(",", dataOptions.ToArray()));
}
public static void DescribeComponent(object instance, IScriptComponentDescriptor descriptor, IUrlResolutionService urlResolver, IControlResolver controlResolver)
{
// validate preconditions
if (instance == null)
{
throw new ArgumentNullException("instance");
}
if (descriptor == null)
{
throw new ArgumentNullException("descriptor");
}
if (urlResolver == null)
{
urlResolver = instance as IUrlResolutionService;
}
if (controlResolver == null)
{
controlResolver = instance as IControlResolver;
}
// describe properties
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(instance);
foreach (PropertyDescriptor prop in properties)
{
ExtenderControlPropertyAttribute propAttr = null;
ExtenderControlEventAttribute eventAttr = null;
ClientPropertyNameAttribute nameAttr = null;
IDReferencePropertyAttribute idRefAttr = null;
UrlPropertyAttribute urlAttr = null;
ElementReferenceAttribute elementAttr = null;
ComponentReferenceAttribute compAttr = null;
foreach (Attribute attr in prop.Attributes)
{
Type attrType = attr.GetType();
if (attrType == typeof(ExtenderControlPropertyAttribute))
{
propAttr = attr as ExtenderControlPropertyAttribute;
}
else if (attrType == typeof(ExtenderControlEventAttribute))
{
eventAttr = attr as ExtenderControlEventAttribute;
}
else if (attrType == typeof(ClientPropertyNameAttribute))
{
nameAttr = attr as ClientPropertyNameAttribute;
}
else if (attrType == typeof(IDReferencePropertyAttribute))
{
idRefAttr = attr as IDReferencePropertyAttribute;
}
else if (attrType == typeof(UrlPropertyAttribute))
{
urlAttr = attr as UrlPropertyAttribute;
}
else if (attrType == typeof(ElementReferenceAttribute))
{
elementAttr = attr as ElementReferenceAttribute;
}
else if (attrType == typeof(ComponentReferenceAttribute))
{
compAttr = attr as ComponentReferenceAttribute;
}
}
string propertyName = prop.Name;
// Try getting a property attribute
if (propAttr == null || !propAttr.IsScriptProperty)
{
// Try getting an event attribute
if (eventAttr == null || !eventAttr.IsScriptEvent)
{
continue;
}
}
// attempt to rename the property/event
if (nameAttr != null && !string.IsNullOrEmpty(nameAttr.PropertyName))
{
propertyName = nameAttr.PropertyName;
}
// determine whether to serialize the value of a property. readOnly properties should always be serialized
bool serialize = prop.ShouldSerializeValue(instance) || prop.IsReadOnly;
if (serialize)
{
// get the value of the property, skip if it is null
Control c = null;
object value = prop.GetValue(instance);
if (value == null)
{
continue;
}
// convert and resolve the value
if (eventAttr != null && prop.PropertyType != typeof(String))
{
throw new InvalidOperationException("ExtenderControlEventAttribute can only be applied to a property with a PropertyType of System.String.");
}
else
{
if (!prop.PropertyType.IsPrimitive && !prop.PropertyType.IsEnum)
{
// Check if we can use any of our custom converters
// (first do a direct lookup on the property type,
// but also check all of its base types if nothing
// was found)
Converter <object, string> customConverter = null;
if (!_customConverters.TryGetValue(prop.PropertyType, out customConverter))
{
foreach (KeyValuePair <Type, Converter <object, string> > pair in _customConverters)
{
if (prop.PropertyType.IsSubclassOf(pair.Key))
{
customConverter = pair.Value;
break;
}
}
}
// Use the custom converter if found, otherwise use
// its current type converter
if (customConverter != null)
{
value = customConverter(value);
}
else
{
// Determine if we should let ASP.NET AJAX handle this type of conversion, as it supports JSON serialization
if (propAttr != null && propAttr.UseJsonSerialization)
{
// Use ASP.NET JSON serialization
}
else
{
// Use the property's own converter
TypeConverter conv = prop.Converter;
if (value.GetType() == typeof(DateTime))
{
value = ((DateTime)value).ToString("s", CultureInfo.InvariantCulture);
}
else
{
value = conv.ConvertToString(null, CultureInfo.InvariantCulture, value);
}
}
}
}
if (idRefAttr != null && controlResolver != null)
{
c = controlResolver.ResolveControl((string)value);
}
if (urlAttr != null && urlResolver != null)
{
value = urlResolver.ResolveClientUrl((string)value);
}
}
// add the value as an appropriate description
if (eventAttr != null)
{
descriptor.AddEvent(propertyName, (string)value);
}
else if (elementAttr != null)
{
if (c == null && controlResolver != null)
{
c = controlResolver.ResolveControl((string)value);
}
if (c != null)
{
value = c.ClientID;
}
descriptor.AddElementProperty(propertyName, (string)value);
}
else if (compAttr != null)
{
if (c == null && controlResolver != null)
{
c = controlResolver.ResolveControl((string)value);
}
if (c != null)
{
ExtenderControlBase ex = c as ExtenderControlBase;
if (ex != null && ex.BehaviorID.Length > 0)
{
value = ex.BehaviorID;
}
else
{
value = c.ClientID;
}
}
descriptor.AddComponentProperty(propertyName, (string)value);
}
else
{
if (c != null)
{
value = c.ClientID;
}
descriptor.AddProperty(propertyName, value);
}
}
}
// determine if we should describe methods
foreach (MethodInfo method in instance.GetType().GetMethods(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public))
{
ExtenderControlMethodAttribute methAttr = (ExtenderControlMethodAttribute)Attribute.GetCustomAttribute(method, typeof(ExtenderControlMethodAttribute));
if (methAttr == null || !methAttr.IsScriptMethod)
{
continue;
}
// We only need to support emitting the callback target and registering the WebForms.js script if there is at least one valid method
Control control = instance as Control;
if (control != null)
{
// Force WebForms.js
control.Page.ClientScript.GetCallbackEventReference(control, null, null, null);
// Add the callback target
descriptor.AddProperty("_callbackTarget", control.UniqueID);
}
break;
}
}
