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From: Mark P. <mar...@us...> - 2008-02-26 19:06:15
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Update of /cvsroot/springnet/Spring.Net/src/Spring/Spring.Web/Web/UI In directory sc8-pr-cvs8.sourceforge.net:/tmp/cvs-serv31974 Modified Files: UserControl.cs Log Message: SPRNET-558 - Enable Data Validation for UserControl (Partial fix) Index: UserControl.cs =================================================================== RCS file: /cvsroot/springnet/Spring.Net/src/Spring/Spring.Web/Web/UI/UserControl.cs,v retrieving revision 1.50 retrieving revision 1.51 diff -C2 -d -r1.50 -r1.51 *** UserControl.cs 2 Feb 2008 09:12:44 -0000 1.50 --- UserControl.cs 26 Feb 2008 19:06:11 -0000 1.51 *************** *** 39,44 **** using Spring.DataBinding; using Spring.Globalization; ! using Spring.Util; using Spring.Web.Support; #endregion --- 39,45 ---- using Spring.DataBinding; using Spring.Globalization; ! using Spring.Validation; using Spring.Web.Support; + using IValidator = Spring.Validation.IValidator; #endregion *************** *** 69,72 **** --- 70,74 ---- private IDictionary sharedState; private IBindingContainer bindingManager; + private IValidationErrors validationErrors = new ValidationErrors(); private IDictionary results; private IApplicationContext applicationContext; *************** *** 117,120 **** --- 119,131 ---- InitializeBindingManager(); + if (!IsPostBack) + { + InitializeModel(); + } + else + { + LoadModel(LoadModelFromPersistenceMedium()); + } + base.OnInit(e); *************** *** 236,239 **** --- 247,256 ---- base.OnPreRender(e); + + object modelToSave = SaveModel(); + if (modelToSave != null) + { + SaveModelToPersistenceMedium(modelToSave); + } } *************** *** 291,294 **** --- 308,376 ---- #endregion + #region Model Management Support + + /// <summary> + /// Initializes data model when the page is first loaded. + /// </summary> + /// <remarks> + /// This method should be overriden by the developer + /// in order to initialize data model for the page. + /// </remarks> + protected virtual void InitializeModel() + { + } + + /// <summary> + /// Retrieves data model from a persistence store. + /// </summary> + /// <remarks> + /// The default implementation uses <see cref="System.Web.UI.Page.Session"/> to store and retrieve + /// the model for the current <see cref="System.Web.HttpRequest.CurrentExecutionFilePath" /> + /// </remarks> + protected virtual object LoadModelFromPersistenceMedium() + { + return Session[Request.CurrentExecutionFilePath + this.UniqueID + ".Model"]; + } + + /// <summary> + /// Saves data model to a persistence store. + /// </summary> + /// <remarks> + /// The default implementation uses <see cref="System.Web.UI.Page.Session"/> to store and retrieve + /// the model for the current <see cref="System.Web.HttpRequest.CurrentExecutionFilePath" /> + /// </remarks> + protected virtual void SaveModelToPersistenceMedium(object modelToSave) + { + Session[Request.CurrentExecutionFilePath + this.UniqueID + ".Model"] = modelToSave; + } + + /// <summary> + /// Loads the saved data model on postback. + /// </summary> + /// <remarks> + /// This method should be overriden by the developer + /// in order to load data model for the page. + /// </remarks> + protected virtual void LoadModel(object savedModel) + { + } + + /// <summary> + /// Returns a model object that should be saved. + /// </summary> + /// <remarks> + /// This method should be overriden by the developer + /// in order to save data model for the page. + /// </remarks> + /// <returns> + /// A model object that should be saved. + /// </returns> + protected virtual object SaveModel() + { + return null; + } + + #endregion< + #region Controller Support *************** *** 466,469 **** --- 548,626 ---- #endregion + #region Validation support + + /// <summary> + /// Evaluates specified validators and returns <c>True</c> if all of them are valid. + /// </summary> + /// <remarks> + /// <p> + /// Each validator can itself represent a collection of other validators if it is + /// an instance of <see cref="ValidatorGroup"/> or one of its derived types. + /// </p> + /// <p> + /// Please see the Validation Framework section in the documentation for more info. + /// </p> + /// </remarks> + /// <param name="validationContext">Object to validate.</param> + /// <param name="validators">Validators to evaluate.</param> + /// <returns> + /// <c>True</c> if all of the specified validators are valid, <c>False</c> otherwise. + /// </returns> + public bool Validate(object validationContext, params IValidator[] validators) + { + IDictionary contextParams = CreateValidatorParameters(); + bool result = true; + foreach (IValidator validator in validators) + { + if (validator == null) + { + throw new ArgumentException("Validator is not defined."); + } + result = validator.Validate(validationContext, contextParams, this.validationErrors) && result; + } + + return result; + } + + /// <summary> + /// Gets the validation errors container. + /// </summary> + /// <value>The validation errors container.</value> + public IValidationErrors ValidationErrors + { + get { return validationErrors; } + } + + /// <summary> + /// Creates the validator parameters. + /// </summary> + /// <remarks> + /// <para> + /// This method can be overriden if you want to pass additional parameters + /// to the validation framework, but you should make sure that you call + /// this base implementation in order to add page, session, application, + /// request, response and context to the variables collection. + /// </para> + /// </remarks> + /// <returns> + /// Dictionary containing parameters that should be passed to + /// the data validation framework. + /// </returns> + protected virtual IDictionary CreateValidatorParameters() + { + IDictionary parameters = new ListDictionary(); + parameters["page"] = this.Page; + parameters["usercontrol"] = this; + parameters["session"] = this.Session; + parameters["application"] = this.Application; + parameters["request"] = this.Request; + parameters["response"] = this.Response; + parameters["context"] = this.Context; + + return parameters; + } + + #endregion + #region Data binding support |
