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Code Issues Releases Wiki Activity

Gradient editor - Implemented stop create/remove and edit

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SpoinkyNL committed 2020-03-15 10:42:23 +01:00
1 parent 81ec5bfe8f
commit 83cf9a45fb
12 files changed
+318 -82
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src/Artemis.UI.Shared/Screens/GradientEditor/GradientEditorViewModel.cs
+55 -22
View File
@@ -1,46 +1,79 @@
using System.ComponentModel;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Artemis.Core.Models.Profile;
using Artemis.UI.Shared.Utilities;
using Stylet;
namespace Artemis.UI.Shared.Screens.GradientEditor
{
public class GradientEditorViewModel : Screen
{
private ColorStopViewModel _selectedColorStopViewModel;
public GradientEditorViewModel(ColorGradient colorGradient)
{
ColorGradient = colorGradient;
ColorStopViewModels = new BindableCollection<ColorStopViewModel>();
ColorGradient.PropertyChanged += ColorGradientOnPropertyChanged;
UpdateColorStopViewModels();
foreach (var colorStop in ColorGradient.Stops.OrderBy(s => s.Position))
ColorStopViewModels.Add(new ColorStopViewModel(this, colorStop));
}
public BindableCollection<ColorStopViewModel> ColorStopViewModels { get; set; }
public ColorGradient ColorGradient { get; }
public double PreviewWidth => 440;
private void ColorGradientOnPropertyChanged(object sender, PropertyChangedEventArgs e)
public ColorStopViewModel SelectedColorStopViewModel
{
if (e.PropertyName == nameof(ColorGradient.Stops))
UpdateColorStopViewModels();
get => _selectedColorStopViewModel;
set
{
SetAndNotify(ref _selectedColorStopViewModel, value);
NotifyOfPropertyChange(nameof(HasSelectedColorStopViewModel));
}
}
private void UpdateColorStopViewModels()
{
while (ColorGradient.Stops.Count > ColorStopViewModels.Count)
ColorStopViewModels.Add(new ColorStopViewModel(this));
while (ColorGradient.Stops.Count < ColorStopViewModels.Count)
ColorStopViewModels.RemoveAt(0);
public bool HasSelectedColorStopViewModel => SelectedColorStopViewModel != null;
var index = 0;
foreach (var colorStop in ColorGradient.Stops.OrderBy(s => s.Position))
{
var viewModel = ColorStopViewModels[index];
viewModel.Update(colorStop);
index++;
}
public ColorGradient ColorGradient { get; }
public double PreviewWidth => 437.5;
public void AddColorStop(object sender, MouseEventArgs e)
{
var child = VisualTreeUtilities.FindChild<Canvas>((DependencyObject) sender, null);
var position = (float) (e.GetPosition(child).X / PreviewWidth);
var stop = new ColorGradientStop(ColorGradient.GetColor(position), position);
ColorGradient.Stops.Add(stop);
ColorGradient.OnColorValuesUpdated();
var index = ColorGradient.Stops.OrderBy(s => s.Position).ToList().IndexOf(stop);
var viewModel = new ColorStopViewModel(this, stop);
ColorStopViewModels.Insert(index, viewModel);
SelectColorStop(viewModel);
}
public void RemoveColorStop(ColorStopViewModel colorStopViewModel)
{
ColorStopViewModels.Remove(colorStopViewModel);
ColorGradient.Stops.Remove(colorStopViewModel.ColorStop);
ColorGradient.OnColorValuesUpdated();
SelectColorStop(null);
}
public Point GetPositionInPreview(object sender, MouseEventArgs e)
{
var parent = VisualTreeUtilities.FindParent<Canvas>((DependencyObject) sender, null);
return e.GetPosition(parent);
}
public void SelectColorStop(ColorStopViewModel colorStopViewModel)
{
SelectedColorStopViewModel = colorStopViewModel;
foreach (var stopViewModel in ColorStopViewModels)
stopViewModel.IsSelected = stopViewModel == SelectedColorStopViewModel;
}
}
}