Libation/Source/LibationAvalonia/Controls/MyRatingCellEditor.axaml.cs

114 lines
3.4 KiB
C#

using Avalonia;
using Avalonia.Controls;
using DataLayer;
using ReactiveUI;
using System;
using System.Linq;
namespace LibationAvalonia.Controls
{
public partial class MyRatingCellEditor : UserControl
{
private const string SOLID_STAR = "★";
private const string HOLLOW_STAR = "☆";
private const string HALF_STAR = "½";
public static readonly StyledProperty<Rating> RatingProperty =
AvaloniaProperty.Register<MyRatingCellEditor, Rating>(nameof(Rating));
public bool IsEditingMode { get; set; }
public Rating Rating { get => GetValue(RatingProperty); set => SetValue(RatingProperty, value); }
public MyRatingCellEditor()
{
InitializeComponent();
var subscriber = this.ObservableForProperty(p => p.Rating).Subscribe(o => DisplayStarRating(o.Value ?? new Rating(0, 0, 0)));
Unloaded += (_, _) => subscriber.Dispose();
if (Design.IsDesignMode)
Rating = new Rating(5, 4, 3);
}
private void DisplayStarRating(Rating rating)
{
var blankValue = IsEditingMode ? HOLLOW_STAR : string.Empty;
string getStar(float score, int starIndex)
=> Math.Floor(score) > starIndex ? SOLID_STAR
: score < starIndex ? blankValue
: score - starIndex < 0.25 ? blankValue
: score - starIndex > 0.75 ? SOLID_STAR
: HALF_STAR;
int starIndex = 0;
foreach (TextBlock star in panelOverall.Children)
star.Tag = star.Text = getStar(rating.OverallRating, starIndex++);
starIndex = 0;
foreach (TextBlock star in panelPerform.Children)
star.Tag = star.Text = getStar(rating.PerformanceRating, starIndex++);
starIndex = 0;
foreach (TextBlock star in panelStory.Children)
star.Tag = star.Text = getStar(rating.StoryRating, starIndex++);
ratingsGrid.IsEnabled = IsEditingMode;
tblockOverall.IsVisible = panelOverall.IsVisible = IsEditingMode || rating.OverallRating > 0;
tblockPerform.IsVisible = panelPerform.IsVisible = IsEditingMode || rating.PerformanceRating > 0;
tblockStory.IsVisible = panelStory.IsVisible = IsEditingMode || rating.StoryRating > 0;
}
public void Panel_PointerExited(object sender, Avalonia.Input.PointerEventArgs e)
{
var panel = sender as Panel;
var stackPanel = panel.Children.OfType<StackPanel>().Single();
//Restore defaults
foreach (TextBlock child in stackPanel.Children)
child.Text = (string)child.Tag;
}
public void Star_PointerEntered(object sender, Avalonia.Input.PointerEventArgs e)
{
var thisTbox = sender as TextBlock;
var stackPanel = thisTbox.Parent as StackPanel;
var star = SOLID_STAR;
foreach (TextBlock child in stackPanel.Children)
{
child.Text = star;
if (child == thisTbox) star = HOLLOW_STAR;
}
}
public void Star_Tapped(object sender, Avalonia.Input.TappedEventArgs e)
{
var overall = Rating.OverallRating;
var perform = Rating.PerformanceRating;
var story = Rating.StoryRating;
var thisTbox = sender as TextBlock;
var stackPanel = thisTbox.Parent as StackPanel;
int newRatingValue = 0;
foreach (var tbox in stackPanel.Children)
{
newRatingValue++;
if (tbox == thisTbox) break;
}
if (stackPanel == panelOverall)
overall = newRatingValue;
else if (stackPanel == panelPerform)
perform = newRatingValue;
else if (stackPanel == panelStory)
story = newRatingValue;
if (overall + perform + story == 0f) return;
Rating = new Rating(overall, perform, story);
}
}
}