using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.MachineStudio.Logging.ViewModels;

namespace Tango.MachineStudio.Logging.Views
{
    /// <summary>
    /// Interaction logic for TimelineView.xaml
    /// </summary>
    public partial class TimelineView : UserControl
    {
        private TimelineViewVM _vm;

        public TimelineView()
        {
            InitializeComponent();
            this.Loaded += (_, __) => _vm = DataContext as TimelineViewVM;
        }

        private void UserControl_MouseWheel(object sender, MouseWheelEventArgs e)
        {
            if (e.Delta > 0)
            {
                _vm.TimelineScaleFactor += 0.5;
            }
            else
            {
                _vm.TimelineScaleFactor -= 0.5;
            }
        }

        private void ItemsControl_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            TimelineEventGroup group = (sender as FrameworkElement).DataContext as TimelineEventGroup;

            if (group != null)
            {
                group.Height = e.NewSize.Height;
            }
        }

        private void scrollViewer_ScrollChanged(object sender, ScrollChangedEventArgs e)
        {
            scroll_channels.ScrollToVerticalOffset(e.VerticalOffset);
        }
    }
}