/// <summary>
/// 初始化ViewModel
/// <remarks>
/// 统一在此处创建并注册CollectionView集合。
/// </remarks>
/// </summary>
private void InitializeVM()
{
CurAnnuals = new QueryableDataServiceCollectionView<AnnualDTO>(_context, _context.Annuals);
_annualDescriptor = new FilterDescriptor("IsOpen", FilterOperator.IsEqualTo, true);
CurAnnuals.FilterDescriptors.Add(_annualDescriptor);
CurAnnuals.LoadedData += (sender, e) =>
{
if (CurAnnuals.Count != 0)
{
_curAnnual = CurAnnuals.First();
_planDescriptor.Value = _curAnnual.Year;
if (!Plans.AutoLoad)
Plans.AutoLoad = true;
else
Plans.Load(true);
RefreshCommandState();
}
};
Plans = _service.CreateCollection(_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) =>
{
CurPlan = new ObservableCollection<PlanDTO> {Plans.OrderBy(p => p.VersionNumber).LastOrDefault()};
SelPlan = CurPlan.FirstOrDefault();
if (SelPlan != null)
{
_planHistoryDescriptor.Value = SelPlan.Id;
if (!CurPlanHistories.AutoLoad)
CurPlanHistories.AutoLoad = true;
else
CurPlanHistories.Load(true);
}
RefreshCommandState();
};
_service.RegisterCollectionView(Plans); //注册查询集合
CurPlanHistories = _service.CreateCollection(_context.PlanHistories);
_planHistoryDescriptor = new FilterDescriptor("PlanId", FilterOperator.IsEqualTo, Guid.Empty);
CurPlanHistories.FilterDescriptors.Add(_planHistoryDescriptor);
CurPlanHistories.LoadedData += (o, e) =>
{
foreach (var ph in CurPlanHistories.SourceCollection.Cast<PlanHistoryDTO>())
{
ph.ActionCategories.AddRange(ph.ActionCategories);
ph.AircraftCategories.AddRange(_service.GetAircraftCategoriesForPlanHistory(ph));
ph.AircraftTypes.AddRange(_service.GetAircraftTypesForPlanHistory(ph));
_context.ChangeState(ph, EntityStates.Unchanged);
}
};
_service.RegisterCollectionView(CurPlanHistories); //注册查询集合
}
/// <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);
}