gramps
841c905c06
- Source.IsBrandLogo persisted (additive migration); layer healed on load, removal blocked - Image stored as an asset; settings keep the asset id and file name - App Settings: Brand Logo file field with Browse - Default placement top-left; per-scene eye uses the existing element visibility Test: BrandLogoTests; layout/background tests pass (34). Not pushed.
78 lines
2.6 KiB
C#
78 lines
2.6 KiB
C#
using System.IO;
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using System.Windows.Input;
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using ytLive.Helpers;
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using ytLive.Models;
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namespace ytLive.ViewModels;
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/// <summary>
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/// The permanent brand logo: one image layer in every scene, directly above the background.
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/// Its image comes from App Settings; each scene keeps its own visibility (the eye toggle).
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/// </summary>
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public partial class MainViewModel
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{
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internal const double BrandLogoX = 32;
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internal const double BrandLogoY = 32;
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internal const double BrandLogoWidth = 240;
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internal const double BrandLogoHeight = 120;
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private ICommand? _browseBrandLogo;
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public ICommand BrowseBrandLogoCommand => _browseBrandLogo ??= new RelayCommand(_ => BrowseBrandLogo());
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public string BrandLogoFileDisplay => _layoutStore.GetBrandLogoFileName() ?? "None";
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private void BrowseBrandLogo()
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{
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var dialog = new Microsoft.Win32.OpenFileDialog
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{
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Title = "Choose brand logo",
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Filter = "Images|*.png;*.jpg;*.jpeg;*.bmp;*.gif",
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};
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if (dialog.ShowDialog() != true) return;
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_layoutStore.SetBrandLogo(File.ReadAllBytes(dialog.FileName), Path.GetFileName(dialog.FileName));
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EnsureBrandLogos();
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OnPropertyChanged(nameof(BrandLogoFileDisplay));
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ScheduleSave();
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}
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internal static Source CreateBrandLogo(string? assetId) => new()
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{
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Name = "Brand logo",
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Type = SourceType.Image,
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IsBrandLogo = true,
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IsEnabled = true,
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AssetId = assetId,
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X = BrandLogoX,
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Y = BrandLogoY,
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Width = BrandLogoWidth,
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Height = BrandLogoHeight,
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};
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/// <summary>Exactly one brand logo per scene, placed directly above the background, carrying
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/// the current App Settings image.</summary>
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internal void EnsureBrandLogos()
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{
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var assetId = _layoutStore.GetBrandLogoAssetId();
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foreach (var scene in Scenes)
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{
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var logos = scene.Elements.OfType<Source>().Where(s => s.IsBrandLogo).ToList();
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foreach (var extra in logos.Skip(1))
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scene.Elements.Remove(extra);
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var logo = logos.FirstOrDefault();
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if (logo == null)
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{
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var background = scene.Elements.OfType<Source>().FirstOrDefault(s => s.IsBackground);
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var index = background == null ? 0 : scene.Elements.IndexOf(background) + 1;
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logo = CreateBrandLogo(assetId);
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scene.Elements.Insert(index, logo);
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}
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else
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{
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logo.AssetId = assetId;
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}
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_sceneGraph.InvalidateBake(scene);
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}
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}
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}
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