/// <summary>
/// 初始化ViewModel
/// <remarks>
/// 统一在此处创建并注册CollectionView集合。
/// </remarks>
/// </summary>
private void InitializeVM()
{
Requests = _service.CreateCollection(_context.Requests.Expand(p => p.RelatedDocs), o => o.ApprovalHistories,
o => o.RelatedDocs);
var cfd = new CompositeFilterDescriptor {LogicalOperator = FilterCompositionLogicalOperator.And};
var requestDescriptor = new FilterDescriptor("Title", FilterOperator.IsNotEqualTo, "指标飞机申请（系统添加）");
cfd.FilterDescriptors.Add(requestDescriptor);
var statusDateDescriptor = new FilterDescriptor("Status", FilterOperator.IsLessThan, (int) RequestStatus.已审批);
cfd.FilterDescriptors.Add(statusDateDescriptor);
Requests.FilterDescriptors.Add(cfd);
Requests.LoadedData += (o, e) =>
{
if (SelRequest == null)
SelRequest = Requests.FirstOrDefault();
};
_service.RegisterCollectionView(Requests);
Annuals = new QueryableDataServiceCollectionView<AnnualDTO>(_context, _context.Annuals);
Annuals.LoadedData += (sender, e) =>
{
if (Annuals.Count != 0 && Annuals.FirstOrDefault(p => p.IsOpen) != null)
{
_planDescriptor.Value = Annuals.First(p => p.IsOpen).Year;
if (!Plans.AutoLoad)
Plans.AutoLoad = true;
else
Plans.Load(true);
RefreshCommandState();
}
};
Plans = new QueryableDataServiceCollectionView<PlanDTO>(_context, _context.Plans);
_planDescriptor = new FilterDescriptor("Year", FilterOperator.IsEqualTo, -1);
var sort = new SortDescriptor {Member = "VersionNumber", SortDirection = ListSortDirection.Ascending};
Plans.SortDescriptors.Add(sort);
Plans.FilterDescriptors.Add(_planDescriptor);
Plans.LoadedData += (sender, e) =>
{
var curPlan = Plans.OrderBy(p => p.VersionNumber).LastOrDefault();
if (curPlan != null)
{
_planHistoryDescriptor.Value = curPlan.Id;
if (!CurPlanHistories.AutoLoad)
CurPlanHistories.AutoLoad = true;
else
CurPlanHistories.Load(true);
}
RefreshCommandState();
_approvalHistoryCaches = new List<ApprovalHistoryCache>();
};
CurPlanHistories = _service.CreateCollection(_context.PlanHistories);
_planHistoryDescriptor = new FilterDescriptor("PlanId", FilterOperator.IsEqualTo, Guid.Empty);
var group = new GroupDescriptor {Member = "CanRequest", SortDirection = ListSortDirection.Ascending};
CurPlanHistories.GroupDescriptors.Add(group);
CurPlanHistories.FilterDescriptors.Add(_planHistoryDescriptor);
_service.RegisterCollectionView(CurPlanHistories);
PlanAircrafts = _service.CreateCollection(_context.PlanAircrafts);
_service.RegisterCollectionView(PlanAircrafts);
}
/// <summary>
/// 初始化ViewModel
/// <remarks>
/// 统一在此处创建并注册CollectionView集合。
/// </remarks>
/// </summary>
private void InitializeVM()
{
Annuals = new QueryableDataServiceCollectionView<AnnualDTO>(_context, _context.Annuals);
_annualDescriptor = new FilterDescriptor("Year", FilterOperator.IsGreaterThanOrEqualTo,
DateTime.Now.Year - 2);
Annuals.FilterDescriptors.Add(_annualDescriptor);
Annuals.OrderBy(p => p.Year);
Annuals.LoadedData += (sender, e) =>
{
if (Annuals.Count != 0)
{
_curAnnual = e.Entities.Cast<AnnualDTO>().SingleOrDefault(p => p.IsOpen);
if (!Plans.AutoLoad)
Plans.AutoLoad = true;
else
Plans.Load(true);
}
RefreshCommandState();
}; //获取年度集合，同时得到当前计划年度，再获取计划集合，同时得到当前计划
Plans = _service.CreateCollection(_context.Plans);
Plans.LoadedData += (sender, e) =>
{
CurPlan =
e.Entities.Cast<PlanDTO>()
.Where(p => p.Year == _curAnnual.Year)
.OrderBy(p => p.VersionNumber)
.LastOrDefault();
if (!AllPlanHistories.AutoLoad)
AllPlanHistories.AutoLoad = true;
else
AllPlanHistories.Load(true);
};
_service.RegisterCollectionView(Plans); //注册查询集合，获取计划集合，同时得到当前计划
AllPlanHistories = _service.CreateCollection(_context.PlanHistories);
AllPlanHistories.LoadedData += (o, e) =>
{
ViewPlanHistories = new ObservableCollection<PlanHistoryDTO>();
if (CurPlan != null)
{
foreach (var ph in AllPlanHistories.SourceCollection.Cast<PlanHistoryDTO>())
{
ph.ActionCategories.AddRange(_service.GetActionCategoriesForPlanHistory(ph));
ph.AircraftCategories.AddRange(_service.GetAircraftCategoriesForPlanHistory(ph));
ph.AircraftTypes.AddRange(_service.GetAircraftTypesForPlanHistory(ph));
if (ph.PlanId == CurPlan.Id)
ViewPlanHistories.Add(ph);
_context.ChangeState(ph, EntityStates.Unchanged);
}
RaisePropertyChanged(() => ViewPlanHistories);
}
};
_service.RegisterCollectionView(AllPlanHistories); //注册查询集合，获取计划集合，同时得到当前计划
ViewPlanAircrafts = _service.CreateCollection(_context.PlanAircrafts);
_planAcDescriptor = new FilterDescriptor("AircraftId", FilterOperator.IsEqualTo, null);
ViewPlanAircrafts.FilterDescriptors.Add(_planAcDescriptor);
_service.RegisterCollectionView(ViewPlanAircrafts); //注册查询集合，获取所有还没飞机的计划飞机集合，用户界面展示
Aircrafts = new QueryableDataServiceCollectionView<AircraftDTO>(_context, _context.Aircrafts);
//获取所有运营飞机的集合，TODO：判断是否必要筛选掉已退出运营的飞机
AllPlanAircrafts = new QueryableDataServiceCollectionView<PlanAircraftDTO>(_context, _context.PlanAircrafts);
//获取所有的计划飞机，用于关联到运营飞机，用于从运营飞机编制计划时使用
AllActionCategories = new QueryableDataServiceCollectionView<ActionCategoryDTO>(_context,
_context.ActionCategories); //获取所有的计划飞机，用于关联到运营飞机，用于从运营飞机编制计划时使用
}
/// <summary>
/// 初始化ViewModel
/// <remarks>
/// 统一在此处创建并注册CollectionView集合。
/// </remarks>
/// </summary>
private void InitializeVM()
{
EnginePlans = _service.CreateCollection(_context.EnginePlans, o => o.EnginePlanHistories);
EnginePlans.LoadedData += (o, e) =>
{
if (SelEnginePlan == null)
SelEnginePlan = EnginePlans.FirstOrDefault();
};
_service.RegisterCollectionView(EnginePlans); //注册查询集合
PlanEngines = _service.CreateCollection(_context.PlanEngines);
_service.RegisterCollectionView(PlanEngines); //注册查询集合
Annuals = new QueryableDataServiceCollectionView<AnnualDTO>(_context, _context.Annuals);
var annualDescriptor = new FilterDescriptor("Year", FilterOperator.IsGreaterThanOrEqualTo,
DateTime.Now.Year - 1);
Annuals.FilterDescriptors.Add(annualDescriptor);
Annuals.OrderBy(p => p.Year);
EngineTypes = new QueryableDataServiceCollectionView<EngineTypeDTO>(_context, _context.EngineTypes);
ActionCategories = new QueryableDataServiceCollectionView<ActionCategoryDTO>(_context,
_context.ActionCategories);
var actionDescriptor = new FilterDescriptor("ActionType", FilterOperator.IsGreaterThanOrEqualTo, "引进");
ActionCategories.FilterDescriptors.Add(actionDescriptor);
//TODO：初始化当前航空公司
_curAirlines = new AirlinesDTO
{
Id = Guid.Parse("1978ADFC-A2FD-40CC-9A26-6DEDB55C335F"),
CnName = "四川航空股份有限公司",
CnShortName = "川航",
};
}
