PerformDiskSpaceOptimizationRequest.cs « Network « Tango.FileSystem « Visual_Studio « Software - Tango - Twine softwares

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.FileSystem.Network
{
    public class PerformDiskSpaceOptimizationRequest
    {
    }
}

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.Core.Commands;
using Tango.Core.DI;
using Tango.Integration.Operation;
using Tango.PPC.Common.Connection;
using Tango.PPC.Common.Notifications;

namespace Tango.PPC.Maintenance
{
    public abstract class MaintenanceCommand<T> : ExtendedObject
    {
        private IMachineProvider _machineProvider;
        [TangoInject(Mode = TangoInjectMode.WhenAvailable)]
        protected IMachineProvider MachineProvider
        {
            get { return _machineProvider; }
            set
            {
                _machineProvider = value; RaisePropertyChangedAuto();
                _machineProvider.MachineOperator.StatusChanged += MachineOperator_StatusChanged;
            }
        }

        [TangoInject(Mode = TangoInjectMode.WhenAvailable)]
        protected INotificationProvider NotificationProvider { get; set; }

        private RelayCommand _command;
        public RelayCommand Command
        {
            get { return _command; }
            set { _command = value; RaisePropertyChangedAuto(); }
        }

        private bool _isEnabled;
        public bool IsEnabled
        {
            get { return _isEnabled; }
            set { _isEnabled = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
        }

        private T _state;
        public T State
        {
            get { return _state; }
            set { _state = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
        }

        private void MachineOperator_StatusChanged(object sender, MachineStatuses e)
        {
            InvalidateRelayCommands();
        }

        public MaintenanceCommand()
        {
            TangoIOC.Default.Inject(this);
            IsEnabled = true;
            Command = new RelayCommand(Execute, CanExecute);
        }

        protected virtual bool CanExecute()
        {
            if (!IsEnabled) return false;
            if (MachineProvider == null) return false;
            if (!MachineProvider.MachineOperator.CanPrint) return false;

            return true;
        }

        private void Execute()
        {
            OnExecute();
        }

        protected abstract void OnExecute();
    }
}