136 lines
4.5 KiB
C#
136 lines
4.5 KiB
C#
using Prism.Commands;
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using Prism.Mvvm;
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using Prism.Regions;
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using Prism.Services.Dialogs;
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using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using DM_Weight.Models;
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using DM_Weight.util;
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using DM_Weight.Common;
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namespace DM_Weight.ViewModels
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{
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public class ReturnEmptyWindowViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
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{
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private List<ChannelStock>? _channelStocks;
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public List<ChannelStock>? Channels
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{
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get { return _channelStocks; }
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set { SetProperty(ref _channelStocks, value); }
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}
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private ChannelStock _channelStock;
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public ChannelStock Channel
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{
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get { return _channelStock; }
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set { SetProperty(ref _channelStock, value); }
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}
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IDialogService _dialogService;
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public ReturnEmptyWindowViewModel(IDialogService dialogService)
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{
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_dialogService = dialogService;
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}
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public DelegateCommand RowSelected
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{
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get => new DelegateCommand(() =>
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{
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if (Channel != null && Channel.DrugId == null)
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{
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DialogParameters dialogParameters = new DialogParameters();
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dialogParameters.Add("DrawerNo", Channel.DrawerNo);
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DialogServiceExtensions.ShowDialogHost(_dialogService, "BindingChannelDialog", dialogParameters, DoDialogResult, "RootDialog");
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}
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else if(Channel != null && Channel.CanReturnQuantity > 0)
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{
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DialogParameters dialogParameters = new DialogParameters();
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dialogParameters.Add("channel", Channel);
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DialogServiceExtensions.ShowDialogHost(_dialogService, "ReturnEmptyDialog", dialogParameters, DoDialogResult, "RootDialog");
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}
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});
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}
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private void DoDialogResult(IDialogResult dialogResult)
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{
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// 委托 被动执行 被子窗口执行
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// dialogResult 第一方面可以拿到任意参数 第二方面 可判断关闭状态
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RequestData();
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//MessageBox.Show("返回值：" + dialogResult.Result.ToString());
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}
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public bool KeepAlive => false;
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public DelegateCommand Query
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{
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get => new DelegateCommand(() =>
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{
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RequestData();
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});
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}
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//这个方法用于拦截请求,continuationCallback(true)就是不拦截，continuationCallback(false)拦截本次操作
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public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
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{
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continuationCallback(true);
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}
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//接收导航传过来的参数
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public void OnNavigatedTo(NavigationContext navigationContext)
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{
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//查询表格数据
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RequestData();
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}
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void RequestData()
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{
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Channels = SqlSugarHelper.Db.Queryable<ChannelStock>()
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.LeftJoin<DrugInfo>((cs,di) => cs.DrugId == di.DrugId.ToString())
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.Where((cs) => cs.DrawerType != (Int32)DrawerTypeEnum.drawerTypeOne)
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.Select((cs, di) => new ChannelStock{
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CanReturnQuantity = SqlFunc.Subqueryable<MachineRecord>().Where(mr => mr.DrugId == cs.DrugId).Where(mr => mr.Type == 2).Where(mr => mr.Status != 2).Select(mr => SqlFunc.IsNull(SqlFunc.AggregateSumNoNull(mr.Quantity - mr.ReturnQuantity1 - mr.ReturnQuantity2), 0)) ,
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DrugInfo = new DrugInfo
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{
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DrugId = di.DrugId,
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DrugName = di.DrugName,
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DrugSpec = di.DrugSpec,
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Manufactory = di.Manufactory,
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PackUnit = di.PackUnit,
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},
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Quantity = cs.Quantity
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}, true)
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.OrderBy(cs => cs.DrawerNo)
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.OrderBy(cs => cs.ColNo)
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.ToList()
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;
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_ = Channels.Count;
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}
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//每次导航的时候，该实列用不用重新创建，true是不重新创建,false是重新创建
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public bool IsNavigationTarget(NavigationContext navigationContext)
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{
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return true;
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}
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//这个方法用于拦截请求
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public void OnNavigatedFrom(NavigationContext navigationContext)
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{
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}
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}
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}
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