//Change to Scan scheduling.
public void ScanCommand()
{
Context = new DiskSchedulingContext(new ScanDiskScheduling(), _requests, _currentRequest);
_currentStrategy = "Scan strategy";
}
public MainWindow()
{
InitializeComponent();
_timer = new Timer {
Interval = 1000
};
_timer.Elapsed += TimerOnTick;
//Creates a random list of requests.
SetNewRandomList();
//Set current reuest as first.
_currentRequest = _requests[0];
//Set Fifo by default.
Context = new DiskSchedulingContext(new FifoScheduling(), _requests, _requests[0]);
_currentStrategy = "Fifo strategy";
//Initialize the plot model.
var plotModel = CreatePlotModel(_size, _requests.Count, _requestList, -1);
//Initilize the view model.
_diskSchedulingViewModel =
new DiskSchedulingViewModel
{
CurrectRunningProceses = new ObservableCollection <string>(),
PlotSeries = new ObservableCollection <DataPoint>(),
RequestList = new ObservableCollection <int>(),
Color = "Black",
PlotModel = plotModel,
AddRequestsManuallyVisibility = Visibility = Visibility.Collapsed,
IsAddRandomCommandEnabled = true,
IsAddListCommandEnabled = true,
IsAddRequestsManuallyCommand = true,
IsCancelCommandEnabled = true,
IsFifoButtonEnabled = false,
IsSstfButtonEnabled = true,
IsScanButtonEnabled = true,
IsStartButtonEnabled = true,
IsStopButtonEnabled = false,
List = "",
DprStrategyPatternMainWindow = this
};
//This fuction sets the bindings from DiskSchedulingViewModel to the UI.
DataContext = _diskSchedulingViewModel;
//Creates a new series list for the plot.
_diskSchedulingViewModel.PlotModel.Series.Add
(
new LineSeries
{
StrokeThickness = 1,
Color = OxyColors.Black,
MarkerType = MarkerType.Circle,
MarkerFill = OxyColors.Black,
ItemsSource = _diskSchedulingViewModel.PlotSeries,
Background = OxyColors.Transparent
});
//Updtae the UI list with new request list.
AddToUi();
}
//Change to Fifo scheduling.
public void FifoCommand()
{
Context = new DiskSchedulingContext(new FifoScheduling(), _requests, _currentRequest);
_currentStrategy = "Fifo strategy";
}