/// <summary>
/// Loads the screen's panel definition from the specified asset.
/// </summary>
/// <param name="asset">The name of the asset that contains the panel definition.</param>
/// <returns>The panel definition that was loaded from the specified asset.</returns>
protected virtual WatchedAsset <UIPanelDefinition> LoadPanelDefinition(String asset)
{
if (String.IsNullOrEmpty(asset))
{
return(null);
}
var display = Window?.Display ?? Ultraviolet.GetPlatform().Displays.PrimaryDisplay;
var density = display.DensityBucket;
Scale = display.DensityScale;
var watch = Ultraviolet.GetUI().WatchingViewFilesForChanges;
if (watch)
{
var definition = new WatchedAsset <UIPanelDefinition>(LocalContent, asset, density, OnValidatingUIPanelDefinition, OnReloadingUIPanelDefinition);
return(definition);
}
else
{
var definition = LocalContent.Load <UIPanelDefinition>(asset, density);
return(new WatchedAsset <UIPanelDefinition>(LocalContent, definition));
}
}
/// <summary>
/// Gets the version of this document which has been loaded for the specified density bucket.
/// </summary>
/// <param name="density">The density bucket for which to retrieve a document.</param>
/// <returns>The version of this document which has been loaded for the specified density bucket.</returns>
public UvssDocument Get(ScreenDensityBucket density)
{
Contract.EnsureNotDisposed(this, disposed);
if (!assetVersions.TryGetValue((Byte)density, out var document))
{
var watching = contentManager.Ultraviolet.GetUI().WatchingViewFilesForChanges;
if (watching)
{
document = new WatchedAsset <UvssDocument>(contentManager, assetPath, density,
(p, a) => validating?.Invoke(p, a) ?? true,
(p, a, v) => validationComplete?.Invoke(p, a, v));
}
else
{
document = new WatchedAsset <UvssDocument>(contentManager, assetPath, density);
}
assetVersions[(Byte)density] = document;
}
return(document.ValidatingValue ?? document.Value);
}
/// <summary>
/// Initializes a new instance of the <see cref="UIPanelDefinitionWrapper"/> class.
/// </summary>
/// <param name="asset">The <see cref="WatchedAsset{UIPanelDefinitionAsset}"/> which is represented by this wrapper.</param>
public UIPanelDefinitionWrapper(WatchedAsset <UIPanelDefinition> asset)
{
this.asset = asset;
this.lastKnownGoodVersion = asset;
}
