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Code Issues 8 Pull Requests Actions Releases 46 Activity

[#10] MemberAdminWindow: Implement MVVM

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This commit is contained in:
Lorenz Stechauner
2024-07-03 12:37:13 +02:00
parent ba9e1d7201
commit c3fd0087ad
8 changed files with 1005 additions and 798 deletions
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10
Elwig/Helpers/ControlUtils.cs
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@ -171,15 +171,19 @@ namespace Elwig.Helpers {
return item;
}
public static object? GetItemFromSource(IEnumerable source, object? item) {
return GetItemFromSource(source, Utils.GetEntityIdentifier(item));
public static T? GetItemFromSource<T>(IEnumerable source, T? item) {
return (T?)GetItemFromSource(source, Utils.GetEntityIdentifier(item));
}
public static object? GetItemFromSourceWithPk(IEnumerable source, params object?[] primaryKey) {
return GetItemFromSource(source, (int?)Utils.GetEntityIdetifierForPk(primaryKey));
}
public static void SelectItemWithHash(Selector input, int? hash) {
if (hash == null) {
input.SelectedItem = null;
} else {
input.SelectedItem = GetItemFromSource(input.ItemsSource, (int)hash);
input.SelectedItem = GetItemFromSource(input.ItemsSource, hash);
}
if (input is ListBox lb && lb.SelectedItem is object lbItem) {
lb.ScrollIntoView(lbItem);

5
Elwig/Helpers/Utils.cs
View File

@ -537,6 +537,11 @@ namespace Elwig.Helpers {
}
}
public static int GetEntityIdetifierForPk(params object?[] primaryKey) {
var pk = primaryKey.Select(k => k?.GetHashCode() ?? 0).ToArray();
return ((IStructuralEquatable)pk).GetHashCode(EqualityComparer<int>.Default);
}
public static int? GetEntityIdentifier(object? obj) {
if (obj == null) {
return null;