1 files changed, 70 insertions, 1 deletions
diff --git a/Pages/Component/TagSelectDialog.razor b/Pages/Component/TagSelectDialog.razor
index e9f3295..2ba34e9 100644
--- a/Pages/Component/TagSelectDialog.razor
+++ b/Pages/Component/TagSelectDialog.razor
@@ -6,9 +6,11 @@
 <link rel="stylesheet" href="@(nameof(HyperBooru)).styles.css"/>
 
 <Dialog Title=@(Title ?? "Select one or more tag(s)") @ref=dialog>
-    <input type="text" placeholder="Search"/>
+    <input type="text" placeholder="Search" @ref=queryInput @oninput=QueryInput @onkeypress=QueryKey value=@query autofocus/>
     <div class="tag-definitions">
         @for(int i = 0; i < tagDefinitions.Count(); i++) {
+            if(!MatchesQuery(tagDefinitions[i].tagDefinition))
+                continue;
             var local = i;
             var ns    = tagDefinitions[i].tagDefinition.Namespace;
             var alias = tagDefinitions[i].tagDefinition.Alias;
@@ -48,6 +50,7 @@
         set {
             if(value)
                 LoadTags();
+            query   = null;
             visible = dialog.Visible = value;
         }
     }
@@ -60,6 +63,9 @@
 
     private bool visible;
 
+    private string?          query;
+    private ElementReference queryInput;
+
     public void Show() => Visible = true;
     public void Hide() => Visible = false;
 
@@ -68,6 +74,11 @@
         LoadTags();
     }
 
+    protected override void OnAfterRender(bool firstRender) {
+        if(Visible)
+            queryInput.FocusAsync();
+    }
+
     private void LoadTags() {
         db = dbFactory.CreateDbContext();
 
@@ -87,6 +98,64 @@
             .ToArray();
     }
 
+    private void QueryInput(ChangeEventArgs e) {
+        query = (string?) e.Value;
+        StateHasChanged();
+    }
+
+    private void QueryKey(KeyboardEventArgs e) {
+        if(e.Code != "Enter" && e.Code != "NumpadEnter")
+            return;
+
+        if(string.IsNullOrEmpty(query)) {
+            Submit();
+            return;
+        }
+
+        int c = 0;
+        int? last = null;
+        for(int i = 0; i < tagDefinitions.Count(); i++) {
+            if(!MatchesQuery(tagDefinitions[i].tagDefinition))
+                continue;
+            last = i;
+            c++;
+        }
+
+        if(c == 1 && last is not null)
+            tagDefinitions[(int) last].selected =
+                !tagDefinitions[(int) last].selected;
+
+        query = null;
+        StateHasChanged();
+    }
+
+    private bool MatchesQuery(TagDefinition tagDef) {
+        TagDefinition? singleTag = null;
+
+        if(string.IsNullOrEmpty(query))
+            return true;
+
+        singleTag = tagDefinitions.FirstOrDefault(
+            e => string.Equals(
+                e.tagDefinition.Alias,
+                query,
+                StringComparison.OrdinalIgnoreCase)).tagDefinition;
+
+        if(singleTag is not null)
+            return tagDef.Guid == singleTag.Guid;
+
+        singleTag = tagDefinitions.FirstOrDefault(
+            e => string.Equals(
+                e.tagDefinition.Name,
+                query,
+                StringComparison.OrdinalIgnoreCase)).tagDefinition;
+
+        if(singleTag is not null)
+            return tagDef.Guid == singleTag.Guid;
+
+        return tagDef.Name.ToLower().Contains(query.ToLower());
+    }
+
     private async void Submit() {
         await OnSubmit.InvokeAsync(
             tagDefinitions