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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Xamarin.PropertyEditing.Drawing;
namespace Xamarin.PropertyEditing.Tests
{
public class MockResourceProvider
: IResourceProvider
{
public bool CanCreateResources => true;
public Task<ResourceCreateError> CheckNameErrorsAsync (object target, ResourceSource source, string name)
{
ResourceCreateError error = null;
if (this.resources[source].Any (r => r.Name == name)) {
error = new ResourceCreateError ("Name in use", isWarning: false);
} else {
var order = new List<ResourceSourceType> {
ResourceSourceType.Document,
ResourceSourceType.ResourceDictionary,
ResourceSourceType.Application,
ResourceSourceType.System,
};
// Simplistic example of hierarchy override checking
for (int i = order.IndexOf (source.Type)+1; i < order.Count; i++) {
if (this.resources.Where (ig => ig.Key.Type == order[i]).SelectMany (ig => ig).Any (r => r.Name == name)) {
error = new ResourceCreateError ("Resource would override another resource", isWarning: true);
break;
}
}
}
return Task.FromResult (error);
}
public Task<Resource> CreateResourceAsync<T> (ResourceSource source, string name, T value)
{
var r = new Resource<T> (source, name, value);
((ObservableLookup<ResourceSource, Resource>)this.resources).Add (source, r);
return Task.FromResult<Resource> (r);
}
public Task<IReadOnlyList<Resource>> GetResourcesAsync (object target, IPropertyInfo property, CancellationToken cancelToken)
{
return Task.FromResult<IReadOnlyList<Resource>> (this.resources.SelectMany (g => g)
.Where (r => property.Type.IsAssignableFrom (r.GetType().GetGenericArguments()[0]) && (!(r.Source is ObjectResourceSource ors) || ReferenceEquals (target, ors.Target)))
.ToList());
}
public Task<IReadOnlyList<ResourceSource>> GetResourceSourcesAsync (object target, IPropertyInfo property)
{
return Task.FromResult<IReadOnlyList<ResourceSource>> (new[] { SystemResourcesSource, ApplicationResourcesSource, Resources, Window, new ObjectResourceSource (target, target.GetType ().Name, ResourceSourceType.Document) });
}
public Task<string> SuggestResourceNameAsync (IReadOnlyCollection<object> targets, IPropertyInfo property)
{
int i = 1;
string key;
do {
key = property.Type.Name + i++;
} while (this.resources[ApplicationResourcesSource].Any (r => r.Name == key));
return Task.FromResult (key);
}
private class ObjectResourceSource
: ResourceSource
{
public ObjectResourceSource (object target, string name, ResourceSourceType type)
: base (name, type)
{
if (target == null)
throw new ArgumentNullException (nameof(target));
this.target = target;
}
public object Target => this.target;
public override int GetHashCode ()
{
int hashCode = base.GetHashCode ();
unchecked {
hashCode = (hashCode * 397) ^ this.target.GetHashCode();
}
return hashCode;
}
public override bool Equals (ResourceSource other)
{
if (!base.Equals (other))
return false;
return (other is ObjectResourceSource ors && ReferenceEquals (ors.target, this.target));
}
private readonly object target;
}
internal static readonly ResourceSource SystemResourcesSource = new ResourceSource ("System Resources", ResourceSourceType.System);
internal static readonly ResourceSource ApplicationResourcesSource = new ResourceSource ("App resources", ResourceSourceType.Application);
private static readonly ResourceSource Resources = new ResourceSource ("Resources.xaml", ResourceSourceType.ResourceDictionary);
private static readonly ResourceSource Window = new ResourceSource ("Window: <no name>", ResourceSourceType.Document);
private readonly ILookup<ResourceSource, Resource> resources = new ObservableLookup<ResourceSource, Resource> {
new ObservableGrouping<ResourceSource, Resource> (SystemResourcesSource) {
new Resource<CommonSolidBrush> (SystemResourcesSource, "ControlTextBrush", new CommonSolidBrush (0, 0, 0)),
new Resource<CommonSolidBrush> (SystemResourcesSource, "HighlightBrush", new CommonSolidBrush (51, 153, 255)),
new Resource<CommonSolidBrush> (SystemResourcesSource, "TransparentBrush", new CommonSolidBrush (0, 0, 0, 0)),
new Resource<CommonColor> (SystemResourcesSource, "ControlTextColor", new CommonColor (0, 0, 0)),
new Resource<CommonColor> (SystemResourcesSource, "HighlightColor", new CommonColor (51, 153, 255))
},
new ObservableGrouping<ResourceSource, Resource> (ApplicationResourcesSource) {
new Resource<CommonSolidBrush> (SystemResourcesSource, "CustomHighlightBrush", new CommonSolidBrush (255, 165, 0)),
}
};
}
}
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