Triton_160/Common/DataAnalysisControl/Charting/ViewModel/DataSourceViewModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Aitex.UI.Charting.Command;
using System.Windows.Input;
using Aitex.UI.Charting.View;
using Aitex.UI.Charting.Model;
using System.Windows;


namespace Aitex.UI.Charting.ViewModel
{
    public class DataSourceViewModel : ChartingBaseViewModel
    {
        public DataSourceViewModel()
        {
            CommonViewModel = CommonViewModel.Instance;

            ConfigDbConnectionCommand = new ChartingCommand((o) => true, (o) =>
            {
                DbConnConfig view = new DbConnConfig() { Owner = System.Windows.Application.Current.MainWindow };
                view.ShowDialog();
            });
            SelectDataSourceCommand = new ChartingCommand((o) => true, (o) =>
            {
                DataSourceSelection view = new DataSourceSelection() { Owner = System.Windows.Application.Current.MainWindow };
                view.ShowDialog();
            });

            SelectFileSourceCommand = new ChartingCommand((o) => true, (o) =>
            {
                Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();

                dlg.DefaultExt = ".arch"; // Default file extension 
                dlg.Filter = "Archive File (.arch)|*.arch"; // Filter files by extension 

                // Show open file dialog box
                Nullable<bool> result = dlg.ShowDialog();
                if (result.HasValue && result.Value)
                {
                    string fileName = dlg.FileName;
                    CommonViewModel.AddDataSource(new ArchievedFileDataSource(fileName));
                }
            });

            SyncSourceTimeCommand = new ChartingCommand((o) => true, (o) =>
            {
                var param = (Tuple<string, DateTime, string>)o;
                CommonViewModel.SyncSourceTime(param.Item1, param.Item2, param.Item3);
            });

            RemoveAllDataSourceCommand = new ChartingCommand((o) => true, (o) =>
            {
                if (MessageBox.Show("确认删除所有的数据源？", "数据操作", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
                {
                    CommonViewModel.RemoveDataSource(string.Empty);
                }
            });
        }

        public ICommand ConfigDbConnectionCommand { get; private set; }
        public ICommand SelectDataSourceCommand { get; private set; }
        public ICommand SelectFileSourceCommand { get; private set; }
        public ICommand SyncSourceTimeCommand { get; private set; }
        public ICommand RemoveAllDataSourceCommand { get; private set; }
        public CommonViewModel CommonViewModel { get; private set; }
    }
}