/// <summary>
/// Removes the requested instances
/// </summary>
/// <param name="instances">The instances to be removed from the Javascript side</param>
/// <returns>Returns <see langword="this" /> instance to be used for other operations</returns>
public virtual ClassBridge <T> RemoveInstance(params T[] instances)
{
foreach (var instance in instances.Where(instance => Instances.ContainsKey(instance)))
{
foreach (var variable in Instances[instance].ToArray())
{
AddInstance(null, variable);
}
if (InstancesEventsDelegates.ContainsKey(instance))
{
foreach (var eventDelegate in InstancesEventsDelegates[instance])
{
eventDelegate.Key.RemoveEventHandler(instance, eventDelegate.Value);
}
InstancesEventsDelegates.Remove(instance);
}
Instances.Remove(instance);
OnPushJavascript(
new FireJavascriptEventArgs(ClassBridge.GenerateInstanceChange(Identification,
GlobalPool.GetInstanceId(instance), true)));
}
return(this);
}
/// <summary>
/// Registers an instance of the generic type and adds it to the list of registered instances
/// </summary>
/// <param name="instance">The instance of the generic type to ad</param>
/// <param name="variableName">The name of the variable that is accessible from the Javascript side</param>
/// <returns>Returns <see langword="this" /> instance to be used for other operations</returns>
public virtual ClassBridge <T> AddInstance(T instance, string variableName)
{
if (instance != null)
{
if (!Instances.ContainsKey(instance))
{
Instances.Add(instance, new List <string>());
if (!InstancesEventsDelegates.ContainsKey(instance))
{
InstancesEventsDelegates.Add(instance, new Dictionary <EventInfo, Delegate>());
}
foreach (
var info in
Events.Where(info => !info.GetAddMethod().IsStatic&& !info.GetRemoveMethod().IsStatic))
{
var eventDelegate =
InstancesEventsDelegates[instance].FirstOrDefault(pair => pair.Key == info).Value;
if (eventDelegate == null)
{
var eventInvokerReturn = info.EventHandlerType.GetMethod("Invoke").ReturnType;
if ((eventInvokerReturn == typeof(void)) || (eventInvokerReturn == typeof(object)))
{
eventDelegate = ClassBridge.CreateProxyDelegateForEvent(info, instance, RaiseEvent);
}
else
{
eventDelegate = ClassBridge.CreateProxyDelegateForEvent(info, instance,
(o, s, arg3, arg4) =>
ClassBridge.NormalizeVariable(RaiseEvent(o, s, arg3, arg4), eventInvokerReturn,
false));
}
InstancesEventsDelegates[instance].Add(info, eventDelegate);
}
info.AddEventHandler(instance, eventDelegate);
}
OnPushJavascript(
new FireJavascriptEventArgs(ClassBridge.GenerateInstanceChange(Identification,
GlobalPool.GetInstanceId(instance), false)));
}
}
if (!string.IsNullOrWhiteSpace(variableName))
{
foreach (
var key in
Instances.Keys.Where(key => key != instance)
.Where(key => Instances[key].Contains(variableName))
.ToArray())
{
RemoveInstance(variableName, key as T);
}
if (instance != null)
{
if (!Instances[instance].Contains(variableName))
{
Instances[instance].Add(variableName);
OnPushJavascript(
new FireJavascriptEventArgs(ClassBridge.GenerateInstanceVariable(Identification,
GlobalPool.GetInstanceId(instance), variableName)));
}
}
else
{
OnPushJavascript(
new FireJavascriptEventArgs(ClassBridge.GenerateInstanceVariable(Identification, null,
variableName)));
}
}
return(this);
}
/// <summary>
/// Initialize the handler and generates the needed Javascript code
/// </summary>
/// <param name="bridge">The <see cref="BridgeController" /> object requesting initialization</param>
public virtual void Initialize(BridgeController bridge)
{
var builder = new StringBuilder();
builder.Append(ClassBridge.GenerateNameSpace(GenericType));
builder.Append(ClassBridge.GenerateProxyClass(Identification, false));
lock (Lock)
{
if (Fields != null)
{
foreach (var field in Fields)
{
builder.Append(ClassBridge.GenerateProxyField(Identification, field));
}
}
if (Methods != null)
{
if (Properties != null)
{
foreach (var property in Properties)
{
var get = property.GetGetMethod();
if ((get != null) && !Methods.ContainsKey(get))
{
get = null;
}
var set = property.GetSetMethod();
if ((set != null) && !Methods.ContainsKey(set))
{
set = null;
}
builder.Append(ClassBridge.GenerateProxyProperty(Identification, property, get, set));
}
}
foreach (
var method in
Methods.Where(
pair =>
(Events == null) ||
!Events.Any(
info => (pair.Key == info.GetAddMethod()) || (pair.Key == info.GetRemoveMethod()))))
{
builder.Append(ClassBridge.GenerateProxyMethod(Identification, method.Key, method.Value));
}
}
if (Events != null)
{
foreach (var info in Events)
{
var isStatic = info.GetAddMethod().IsStatic || info.GetRemoveMethod().IsStatic;
builder.Append(ClassBridge.GenerateProxyField(Identification, info.Name, isStatic, true,
new object[0]));
builder.Append(ClassBridge.GenerateProxyEventMethods(Identification, info, isStatic));
}
}
}
foreach (var instance in Instances.Where(pair => pair.Key != null).ToArray())
{
var instanceId = GlobalPool.GetInstanceId(instance.Key);
if (instanceId != null)
{
builder.AppendLine(ClassBridge.GenerateInstanceChange(Identification, instanceId, false));
foreach (var variableName in instance.Value.Where(s => !string.IsNullOrWhiteSpace(s)))
{
builder.AppendLine(ClassBridge.GenerateInstanceVariable(Identification, instanceId, variableName));
}
}
}
OnPushJavascript(new FireJavascriptEventArgs(builder.ToString(), bridge));
lock (Lock)
{
if (SubEnumerations != null)
{
foreach (var subEnum in SubEnumerations)
{
subEnum.Initialize(bridge);
}
}
if (SubClasses != null)
{
foreach (var subClass in SubClasses)
{
subClass.Initialize(bridge);
}
}
}
}
