009_DI-Elec/newFront/c#前端/SWS.WPF/ViewModels/DialogSignalManagementVM/DialogSignalSelectViewModel.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Windows;
using System.Windows.Input;
using Prism.Services.Dialogs;
using SWS.Commons;
using SWS.Model;
using Telerik.Windows.Controls;
using DialogParameters = Prism.Services.Dialogs.DialogParameters;

namespace SWS.WPF.ViewModels
{
    public class DialogSignalSelectViewModel : DialogBase, IDialogAware
    {

        public DialogSignalSelectViewModel()
        {

        }

        public string Title => "";

        public event Action<IDialogResult> RequestClose;

        public bool CanCloseDialog()
        {
            return true;
        }

        public void OnDialogClosed()
        {

        }
        private ObservableCollection<Signal> _listSignal;
        /// <summary>
        /// 单位列表
        /// </summary>
        public ObservableCollection<Signal> listSignal
        {
            get { return _listSignal; }
            set { _listSignal = value; RaisePropertyChanged(nameof(listSignal)); }
        }
        private Signal _SelectedSignal;
        /// <summary>
        /// 选中的单位
        /// </summary>
        public Signal SelectedSignal
        {
            get { return _SelectedSignal; }
            set { _SelectedSignal = value; RaisePropertyChanged(nameof(SelectedSignal)); }
        }

        private string _Info;
        /// <summary>
        /// 列表上方文字
        /// </summary>
        public string Info
        {
            get { return _Info; }
            set { _Info = value; RaisePropertyChanged(nameof(Info)); }
        }

        private Visibility _IsVisibility = Visibility.Collapsed;
        /// <summary>
        /// 控制取消关联按钮是否可见
        /// </summary>
        public Visibility IsVisibility
        {
            get { return _IsVisibility; }
            set { _IsVisibility = value;
                RaisePropertyChanged(nameof(IsVisibility));
            }
        }



        public void OnDialogOpened(IDialogParameters parameters)
        {
            title = parameters.GetValue<string>(GlobalObject.dialogPar.title.ToString());
            Info = parameters.GetValue<string>(GlobalObject.dialogPar.info.ToString());
            var signals = parameters.GetValue<ObservableCollection<SignalManagementInfo>>(GlobalObject.dialogPar.para1.ToString());

            listSignal = new ObservableCollection<Signal>();
            foreach (var item in signals)
            {
                if (title.Equals("信号选择框"))
                {
                    if (item.type.Equals("信号"))
                    {
                        listSignal.Add(new Signal() { SignalId = item.Wire_Group_ID, SignalName = item.Group_Name });
                    }
                }
                else if (title.Equals("信号关联列表"))
                {
                    listSignal.Add(new Signal() { SignalId = item.Wire_Group_ID, SignalName = item.Group_Name });
                    IsVisibility = Visibility.Visible;
                }

            }
        }
        public override void ExecuteOKCommandAsync(object para)
        {
            IDialogParameters par = new DialogParameters();
            if (title.Equals("信号选择框"))
            {
                if (SelectedSignal == null)
                {
                    MessageBox.Show("请选择一个信号！");
                    return;
                }
            }
            else if (title.Equals("信号关联列表"))
            {
                //如何是取消关联，则把取消的列表传回去
                par.Add(GlobalObject.dialogPar.para2.ToString(), CancelAssociationls);
            }
            
            par.Add(GlobalObject.dialogPar.para1.ToString(), SelectedSignal);
            DialogResult result = new DialogResult(ButtonResult.Yes, par);
            RequestClose.Invoke(result);
        }
        public override void ExecuteCloseCommand(object parameter)
        {
            if (parameter as string == "ClickNo")
            {
                DialogResult result = new DialogResult(ButtonResult.No);
                RequestClose.Invoke(result);
            }
            else
            {
                DialogResult result = new DialogResult(ButtonResult.Cancel);
                RequestClose.Invoke(result);
            }
            this.Dispose();
        }

        //全局的取消关联列表
        List<Signal> CancelAssociationls = new List<Signal>();
        public ICommand CancelAssociationCmd => new DelegateCommand(CancelAssociation_Click);
        /// <summary>
        /// 取消关联按钮的点击事件
        /// </summary>
        /// <param name="parameter"></param>
        public virtual void CancelAssociation_Click(object parameter)
        {
            CancelAssociationls.Add(SelectedSignal);
            listSignal.Remove(SelectedSignal);
        }

    }


    public class Signal : ViewModelBase
    {
        private string _SignalId;
        /// <summary>
        /// Id
        /// </summary>
        public string SignalId
        {
            get { return _SignalId; }
            set { _SignalId = value; RaisePropertyChanged(nameof(SignalId)); }
        }

        private string _SignalName;
        /// <summary>
        /// 信号
        /// </summary>
        public string SignalName
        {
            get { return _SignalName; }
            set { _SignalName = value; RaisePropertyChanged(nameof(SignalName)); }
        }

    }

}