A lot of things

app/Livewire/EntrySelector.php

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+<?php
+
+namespace App\Livewire;
+
+use App\Models\Entry;
+use Livewire\Component;
+
+class EntrySelector extends Component
+{
+    public string $search = '';
+    public ?int $selectedEntryId = null;
+
+    public ?string $entryName = null;
+
+    public bool $dropdown = false;
+
+    public function mount( ?int $oldEntryId = null ): void
+    {
+        if( $oldEntryId ) {
+            $entry = Entry::find($oldEntryId);
+            if( $entry ) {
+                $this->selectedEntryId = $oldEntryId;
+                $this->entryName = $entry->complete_title ?? $entry->title;
+            }
+        }
+    }
+
+    public function updatedSearch(): void
+    {
+        if( $this->selectedEntryId ) {
+            $this->selectedEntryId = null;
+            $this->entryName = null;
+        }
+        $this->dropdown = strlen($this->search) > 2;
+    }
+
+    public function selectEntry( int $id ){
+        $entry = Entry::find($id);
+        if( $entry ) {
+            $this->selectedEntryId = $id;
+            $this->entryName = $entry->complete_title ?? $entry->title;
+            $this->search = $entry->complete_title ?? $entry->title;
+            $this->dropdown = false;
+
+        }
+    }
+
+    public function clearEntry(): void
+    {
+        $this->selectedEntryId = null;
+        $this->entryName = null;
+        $this->search = '';
+    }
+
+    public function render()
+    {
+        $entries = collect();
+
+        if( $this->dropdown && strlen($this->search) > 2 ) {
+            $entries = Entry::where('complete_title', 'like', '%' . $this->search . '%')
+                ->orWhere('title', 'like', '%' . $this->search . '%')
+                ->orderBy('complete_title', 'asc')
+                ->orderBy('title', 'asc')
+                ->limit(20)
+                ->get();
+        }
+
+        $data = [ 'entries' => $entries, 'required_chars' => 3 ];
+
+        return view('livewire.entry-selector', $data);
+    }
+}