Example #1
0
        private BaseVM CreateVM(Type VMType, object Id = null, object[] Ids = null, Dictionary <string, object> values = null, bool passInit = false)
        {
            //通过反射创建ViewModel并赋值
            var    ctor = VMType.GetConstructor(Type.EmptyTypes);
            BaseVM rv   = ctor.Invoke(null) as BaseVM;

            try
            {
                rv.Session = new SessionServiceProvider(HttpContext.Session);
            }
            catch { }
            rv.ConfigInfo      = ConfigInfo;
            rv.Cache           = Cache;
            rv.LoginUserInfo   = LoginUserInfo;
            rv.DataContextCI   = ConfigInfo.ConnectionStrings.Where(x => x.Key.ToLower() == CurrentCS.ToLower()).Select(x => x.DcConstructor).FirstOrDefault();
            rv.DC              = this.DC;
            rv.MSD             = new ModelStateServiceProvider(ModelState);
            rv.FC              = new Dictionary <string, object>();
            rv.CreatorAssembly = this.GetType().AssemblyQualifiedName;
            rv.CurrentCS       = CurrentCS;
            rv.CurrentUrl      = this.BaseUrl;
            rv.WindowIds       = "";
            rv.UIService       = new DefaultUIService();
            rv.Log             = this.Log;
            rv.ControllerName  = this.GetType().FullName;
            rv.Localizer       = this.Localizer;
            if (HttpContext != null && HttpContext.Request != null)
            {
                try
                {
                    if (Request.QueryString != null)
                    {
                        foreach (var key in Request.Query.Keys)
                        {
                            if (rv.FC.Keys.Contains(key) == false)
                            {
                                rv.FC.Add(key, Request.Query[key]);
                            }
                        }
                    }
                    var f = HttpContext.Request.Form;
                    foreach (var key in f.Keys)
                    {
                        if (rv.FC.Keys.Contains(key) == false)
                        {
                            rv.FC.Add(key, f[key]);
                        }
                    }
                }
                catch { }
            }
            //如果传递了默认值,则给vm赋值
            if (values != null)
            {
                foreach (var v in values)
                {
                    PropertyHelper.SetPropertyValue(rv, v.Key, v.Value, null, false);
                }
            }
            //如果ViewModel T继承自BaseCRUDVM<>且Id有值,那么自动调用ViewModel的GetById方法
            if (Id != null && rv is IBaseCRUDVM <TopBasePoco> cvm)
            {
                cvm.SetEntityById(Id);
            }
            //如果ViewModel T继承自IBaseBatchVM<BaseVM>,则自动为其中的ListVM和EditModel初始化数据
            if (rv is IBaseBatchVM <BaseVM> temp)
            {
                temp.Ids = new string[] { };
                if (Ids != null)
                {
                    var tempids = new List <string>();
                    foreach (var iid in Ids)
                    {
                        tempids.Add(iid.ToString());
                    }
                    temp.Ids = tempids.ToArray();
                }
                if (temp.ListVM != null)
                {
                    temp.ListVM.CopyContext(rv);
                    temp.ListVM.Ids          = Ids == null ? new List <string>() : temp.Ids.ToList();
                    temp.ListVM.SearcherMode = ListVMSearchModeEnum.Batch;
                    temp.ListVM.NeedPage     = false;
                }
                if (temp.LinkedVM != null)
                {
                    temp.LinkedVM.CopyContext(rv);
                }
                if (temp.ListVM != null)
                {
                    //绑定ListVM的OnAfterInitList事件,当ListVM的InitList完成时,自动将操作列移除
                    temp.ListVM.OnAfterInitList += (self) =>
                    {
                        self.RemoveActionColumn();
                        self.RemoveAction();
                        if (temp.ErrorMessage.Count > 0)
                        {
                            self.AddErrorColumn();
                        }
                    };
                    if (temp.ListVM.Searcher != null)
                    {
                        var searcher = temp.ListVM.Searcher;
                        searcher.CopyContext(rv);
                        if (passInit == false)
                        {
                            searcher.DoInit();
                        }
                    }
                }
                temp.LinkedVM?.DoInit();
                //temp.ListVM?.DoSearch();
            }
            //如果ViewModel是ListVM,则初始化Searcher并调用Searcher的InitVM方法
            if (rv is IBasePagedListVM <TopBasePoco, ISearcher> lvm)
            {
                var searcher = lvm.Searcher;
                searcher.CopyContext(rv);
                if (passInit == false)
                {
                    //获取保存在Cookie中的搜索条件的值,并自动给Searcher中的对应字段赋值
                    string namePre      = ConfigInfo.CookiePre + "`Searcher" + "`" + rv.VMFullName + "`";
                    Type   searcherType = searcher.GetType();
                    var    pros         = searcherType.GetProperties(BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.Instance).ToList();
                    pros.Add(searcherType.GetProperty("IsValid"));

                    Dictionary <string, string> cookieDic = HttpContext.Session.Get <Dictionary <string, string> >("SearchCondition" + searcher.VMFullName);
                    if (cookieDic != null)
                    {
                        foreach (var pro in pros)
                        {
                            var name = namePre + pro.Name;

                            if (cookieDic.ContainsKey(name) && !string.IsNullOrEmpty(cookieDic[name]))
                            {
                                try
                                {
                                    if (cookieDic[name] == "`")
                                    {
                                        pro.SetValue(searcher, null);
                                    }
                                    else
                                    {
                                        PropertyHelper.SetPropertyValue(searcher, pro.Name, cookieDic[name], null, true);
                                    }
                                }
                                catch { }
                            }
                        }
                    }
                    searcher.DoInit();
                }
            }
            if (rv is IBaseImport <BaseTemplateVM> tvm)
            {
                var template = tvm.Template;
                template.CopyContext(rv);
                template.DoInit();
            }

            //自动调用ViewMode的InitVM方法
            if (passInit == false)
            {
                rv.DoInit();
            }
            return(rv);
        }
Example #2
0
        //-------------------------------------------方法------------------------------------//

        #region CreateVM
        /// <summary>
        /// Create a ViewModel, and pass Session,cache,dc...etc to the viewmodel
        /// </summary>
        /// <param name="VMType">The type of the viewmodel</param>
        /// <param name="Id">If the viewmodel is a BaseCRUDVM, the data having this id will be fetched</param>
        /// <param name="Ids">If the viewmodel is a BatchVM, the BatchVM's Ids property will be assigned</param>
        /// <param name="values">properties of the viewmodel that you want to assign values</param>
        /// <param name="passInit">if true, the viewmodel will not call InitVM internally</param>
        /// <returns>ViewModel</returns>
        private BaseVM CreateVM(Type VMType, object Id = null, object[] Ids = null, Dictionary <string, object> values = null, bool passInit = false)
        {
            //Use reflection to create viewmodel
            var    ctor = VMType.GetConstructor(Type.EmptyTypes);
            BaseVM rv   = ctor.Invoke(null) as BaseVM;

            try
            {
                rv.Session = new SessionServiceProvider(HttpContext.Session);
            }
            catch { }
            rv.ConfigInfo      = ConfigInfo;
            rv.Cache           = Cache;
            rv.LoginUserInfo   = LoginUserInfo;
            rv.DataContextCI   = ConfigInfo.ConnectionStrings.Where(x => x.Key.ToLower() == CurrentCS.ToLower()).Select(x => x.DcConstructor).FirstOrDefault();
            rv.DC              = this.DC;
            rv.MSD             = new ModelStateServiceProvider(ModelState);
            rv.FC              = new Dictionary <string, object>();
            rv.CreatorAssembly = this.GetType().AssemblyQualifiedName;
            rv.CurrentCS       = CurrentCS;
            rv.CurrentUrl      = this.BaseUrl;
            rv.WindowIds       = this.WindowIds;
            rv.UIService       = this.UIService;
            rv.Log             = this.Log;
            rv.Controller      = this;
            rv.ControllerName  = this.GetType().FullName;
            rv.Localizer       = this.Localizer;
            if (HttpContext != null && HttpContext.Request != null)
            {
                try
                {
                    if (Request.QueryString != null)
                    {
                        foreach (var key in Request.Query.Keys)
                        {
                            if (rv.FC.Keys.Contains(key) == false)
                            {
                                rv.FC.Add(key, Request.Query[key]);
                            }
                        }
                    }
                    if (HttpContext.Request.HasFormContentType)
                    {
                        var f = HttpContext.Request.Form;
                        foreach (var key in f.Keys)
                        {
                            if (rv.FC.Keys.Contains(key) == false)
                            {
                                rv.FC.Add(key, f[key]);
                            }
                        }
                    }
                }
                catch { }
            }
            //try to set values to the viewmodel's matching properties
            if (values != null)
            {
                foreach (var v in values)
                {
                    PropertyHelper.SetPropertyValue(rv, v.Key, v.Value, null, false);
                }
            }
            //if viewmodel is derrived from BaseCRUDVM<> and Id has value, call ViewModel's GetById method
            if (Id != null && rv is IBaseCRUDVM <TopBasePoco> cvm)
            {
                cvm.SetEntityById(Id);
            }
            //if viewmodel is derrived from IBaseBatchVM<>,set ViewMode's Ids property,and init it's ListVM and EditModel properties
            if (rv is IBaseBatchVM <BaseVM> temp)
            {
                temp.Ids = new string[] { };
                if (Ids != null)
                {
                    var tempids = new List <string>();
                    foreach (var iid in Ids)
                    {
                        tempids.Add(iid.ToString());
                    }
                    temp.Ids = tempids.ToArray();
                }
                if (temp.ListVM != null)
                {
                    temp.ListVM.CopyContext(rv);
                    temp.ListVM.Ids          = Ids == null ? new List <string>() : temp.Ids.ToList();
                    temp.ListVM.SearcherMode = ListVMSearchModeEnum.Batch;
                    temp.ListVM.NeedPage     = false;
                }
                if (temp.LinkedVM != null)
                {
                    temp.LinkedVM.CopyContext(rv);
                }
                if (temp.ListVM != null)
                {
                    //Remove the action columns from list
                    temp.ListVM.OnAfterInitList += (self) =>
                    {
                        self.RemoveActionColumn();
                        self.RemoveAction();
                        if (temp.ErrorMessage.Count > 0)
                        {
                            self.AddErrorColumn();
                        }
                    };
                    temp.ListVM.DoInitListVM();
                    if (temp.ListVM.Searcher != null)
                    {
                        var searcher = temp.ListVM.Searcher;
                        searcher.CopyContext(rv);
                        if (passInit == false)
                        {
                            searcher.DoInit();
                        }
                    }
                }
                temp.LinkedVM?.DoInit();
                //temp.ListVM.DoSearch();
            }
            //if the viewmodel is a ListVM, Init it's searcher
            if (rv is IBasePagedListVM <TopBasePoco, ISearcher> lvm)
            {
                var searcher = lvm.Searcher;
                searcher.CopyContext(rv);
                if (passInit == false)
                {
                    searcher.DoInit();
                }
                lvm.DoInitListVM();
            }
            if (rv is IBaseImport <BaseTemplateVM> tvm)
            {
                var template = tvm.Template;
                template.CopyContext(rv);
                template.DoInit();
            }

            //if passinit is not set, call the viewmodel's DoInit method
            if (passInit == false)
            {
                rv.DoInit();
            }
            return(rv);
        }