Auto status change to "Under Review"
@@ -2,7 +2,7 | |||
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2 | 2 | |
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3 | 3 | namespace Implab.Components |
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4 | 4 | { |
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5 | public class StateChangeEventArgs { | |
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5 | public class StateChangeEventArgs : EventArgs { | |
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6 | 6 | /// <summary> |
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7 | 7 | /// The error information if any |
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8 | 8 | /// </summary> |
@@ -56,6 +56,31 namespace Implab { | |||
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56 | 56 | return that; |
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57 | 57 | } |
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58 | 58 | |
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59 | /// <summary> | |
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60 | /// Adds a cancellation point to the chain of promises. When a cancellation request reaches the cancellation point the operation is | |
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61 | /// cancelled immediatelly, and the request is passed towards. If the operation at the higher level can not be cancelled is't result | |
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62 | /// will be collected with <paramref name="cleanup"/> callback. | |
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63 | /// </summary> | |
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64 | /// <typeparam name="T">The type of the promise result.</typeparam> | |
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65 | /// <param name="that">The promise to which the cancellation point should be attached.</param> | |
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66 | /// <param name="cleanup">The callback which is used to cleanup the result of the operation if the cancellation point is cancelled already.</param> | |
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67 | /// <returns>The promise</returns> | |
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68 | public static IPromise<T> CancellationPoint<T>(this IPromise<T> that, Action<T> cleanup) { | |
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69 | var meduim = new Promise<T>(); | |
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70 | ||
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71 | that.On(meduim.Resolve, meduim.Reject, meduim.CancelOperation); | |
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72 | ||
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73 | meduim.CancellationRequested(that.Cancel); | |
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74 | meduim.CancellationRequested(meduim.CancelOperation); | |
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75 | ||
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76 | if (cleanup != null) | |
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77 | meduim.On((Action<T>)null, null, (e) => { | |
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78 | that.On(cleanup); | |
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79 | }); | |
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80 | ||
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81 | return meduim; | |
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82 | } | |
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83 | ||
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59 | 84 | public static AsyncCallback AsyncCallback<T>(this Promise<T> that, Func<IAsyncResult,T> callback) { |
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60 | 85 | Safe.ArgumentNotNull(that, "that"); |
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61 | 86 | Safe.ArgumentNotNull(callback, "callback"); |
@@ -222,6 +247,30 namespace Implab { | |||
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222 | 247 | return d; |
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223 | 248 | } |
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224 | 249 | |
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250 | public static IPromise<T> Then<T>(this IPromise<T> that, Action<T> success, Func<Exception, T> error, Func<Exception, T> cancel) { | |
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251 | Safe.ArgumentNotNull(that, "that"); | |
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252 | var d = new FuncTask<T, T>( | |
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253 | x => { | |
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254 | success(x); | |
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255 | return x; | |
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256 | }, | |
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257 | error, | |
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258 | cancel, | |
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259 | false | |
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260 | ); | |
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261 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
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262 | d.CancellationRequested(that.Cancel); | |
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263 | return d; | |
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264 | } | |
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265 | ||
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266 | public static IPromise<T> Then<T>(this IPromise<T> that, Action<T> success, Func<Exception, T> error) { | |
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267 | return Then(that, success, error, null); | |
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268 | } | |
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269 | ||
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270 | public static IPromise<T> Then<T>(this IPromise<T> that, Action<T> success) { | |
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271 | return Then(that, success, null, null); | |
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272 | } | |
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273 | ||
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225 | 274 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success, Func<Exception, T2> error) { |
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226 | 275 | return Then(that, success, error, null); |
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227 | 276 | } |
@@ -230,6 +279,77 namespace Implab { | |||
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230 | 279 | return Then(that, success, null, null); |
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231 | 280 | } |
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232 | 281 | |
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282 | public static IPromise<T> Always<T>(this IPromise<T> that, Action handler) { | |
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283 | Func<Exception, T> errorOrCancel; | |
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284 | if (handler != null) | |
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285 | errorOrCancel = e => { | |
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286 | handler(); | |
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287 | throw new PromiseTransientException(e); | |
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288 | }; | |
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289 | else | |
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290 | errorOrCancel = null; | |
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291 | ||
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292 | return Then( | |
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293 | that, | |
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294 | x => { | |
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295 | handler(); | |
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296 | return x; | |
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297 | }, | |
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298 | errorOrCancel, | |
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299 | errorOrCancel); | |
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300 | } | |
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301 | ||
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302 | public static IPromise Always(this IPromise that, Action handler) { | |
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303 | Action<Exception> errorOrCancel; | |
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304 | if (handler != null) | |
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305 | errorOrCancel = e => { | |
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306 | handler(); | |
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307 | throw new PromiseTransientException(e); | |
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308 | }; | |
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309 | else | |
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310 | errorOrCancel = null; | |
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311 | ||
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312 | return Then( | |
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313 | that, | |
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314 | handler, | |
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315 | errorOrCancel, | |
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316 | errorOrCancel); | |
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317 | } | |
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318 | ||
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319 | public static IPromise Error(this IPromise that, Action<Exception> handler, bool handleCancellation) { | |
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320 | Action<Exception> errorOrCancel; | |
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321 | if (handler != null) | |
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322 | errorOrCancel = e => { | |
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323 | handler(e); | |
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324 | throw new PromiseTransientException(e); | |
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325 | }; | |
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326 | else | |
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327 | errorOrCancel = null; | |
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328 | ||
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329 | return Then(that, null, errorOrCancel, handleCancellation ? errorOrCancel : null); | |
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330 | } | |
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331 | ||
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332 | public static IPromise Error(this IPromise that, Action<Exception> handler) { | |
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333 | return Error(that, handler, false); | |
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334 | } | |
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335 | ||
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336 | public static IPromise<T> Error<T>(this IPromise<T> that, Action<Exception> handler, bool handleCancellation) { | |
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337 | Func<Exception, T> errorOrCancel; | |
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338 | if (handler != null) | |
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339 | errorOrCancel = e => { | |
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340 | handler(e); | |
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341 | throw new PromiseTransientException(e); | |
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342 | }; | |
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343 | else | |
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344 | errorOrCancel = null; | |
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345 | ||
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346 | return Then(that, null, errorOrCancel, handleCancellation ? errorOrCancel : null); | |
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347 | } | |
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348 | ||
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349 | public static IPromise<T> Error<T>(this IPromise<T> that, Action<Exception> handler) { | |
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350 | return Error(that, handler, false); | |
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351 | } | |
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352 | ||
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233 | 353 | #region chain traits |
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234 | 354 | public static IPromise Chain(this IPromise that, Func<IPromise> success, Func<Exception,IPromise> error, Func<Exception,IPromise> cancel) { |
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235 | 355 | Safe.ArgumentNotNull(that, "that"); |
@@ -4,6 +4,7 using System.Linq; | |||
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4 | 4 | using System.Text; |
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5 | 5 | using System.Text.RegularExpressions; |
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6 | 6 | using System.Diagnostics; |
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7 | using System.Collections; | |
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7 | 8 | |
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8 | 9 | namespace Implab |
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9 | 10 | { |
@@ -60,12 +61,28 namespace Implab | |||
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60 | 61 | } |
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61 | 62 | } |
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62 | 63 | |
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64 | public static void Dispose(IEnumerable<IDisposable> objects) { | |
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65 | foreach (var d in objects) | |
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66 | if (d != null) | |
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67 | d.Dispose(); | |
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68 | } | |
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69 | ||
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63 | 70 | public static void Dispose(object obj) { |
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64 | 71 | var d = obj as IDisposable; |
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65 | 72 | if (d != null) |
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66 | 73 | d.Dispose(); |
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67 | 74 | } |
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68 | 75 | |
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76 | public static void DispatchEvent<T>(this EventHandler<T> handler, object sender, T args) { | |
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77 | if (handler != null) | |
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78 | handler(sender, args); | |
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79 | } | |
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80 | ||
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81 | public static void DispatchEvent(this EventHandler handler, object sender, EventArgs args) { | |
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82 | if (handler != null) | |
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83 | handler(sender, args); | |
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84 | } | |
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85 | ||
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69 | 86 | [DebuggerStepThrough] |
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70 | 87 | public static IPromise<T> Run<T>(Func<T> action) { |
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71 | 88 | ArgumentNotNull(action, "action"); |
General Comments 3
ok, latest stable version should be in default
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