From 511a491be2d03fbab4d3fb672b0833ee9eac93c4 Mon Sep 17 00:00:00 2001
From: dhanabalan <dhana@example.com>
Date: Wed, 14 Jan 2026 09:08:36 +0530
Subject: [PATCH] Add reactive behavior to form fields and update options based
 on plant selection

---
 .../Resources/MfmParameterResource.php        | 59 ++++++++++++++++++-
 1 file changed, 57 insertions(+), 2 deletions(-)

diff --git a/app/Filament/Resources/MfmParameterResource.php b/app/Filament/Resources/MfmParameterResource.php
index 07dd55d..2c60311 100644
--- a/app/Filament/Resources/MfmParameterResource.php
+++ b/app/Filament/Resources/MfmParameterResource.php
@@ -36,30 +36,84 @@ class MfmParameterResource extends Resource
                 Forms\Components\Select::make('plant_id')
                     ->label('Plant')
                     ->relationship('plant', 'name')
+                    ->reactive()
                     ->options(function (callable $get) {
                         $userHas = Filament::auth()->user()->plant_id;
                         return ($userHas && strlen($userHas) > 0) ? Plant::where('id', $userHas)->pluck('name', 'id')->toArray() : Plant::pluck('name', 'id')->toArray();
                     })
+                    ->afterStateUpdated(function (callable $set) {
+                        $set('device_master_id', null);
+                        $set('mfm_meter_id', null);
+                        $set('name', null);
+                        $set('register_id', null);
+                        $set('identifier', null);
+                        $set('byte_to_convert', null);
+                        $set('type_to_convert', null);
+                        $set('decimal_to_display', null);
+                    })
                     ->required(),
                 Forms\Components\Select::make('device_master_id')
                     ->label('Device Master')
-                    ->relationship('deviceName', 'name')
+                    //->relationship('deviceName', 'name')
+                    ->options(function (callable $get) {
+                        $plantId = $get('plant_id');
+
+                        if (!$plantId) {
+                            return [];
+                        }
+
+                        return \App\Models\DeviceMaster::where('plant_id', $plantId)
+                            ->pluck('name', 'id');
+                    })
+                    ->afterStateUpdated(function (callable $set) {
+                        $set('mfm_meter_id', null);
+                        $set('name', null);
+                        $set('register_id', null);
+                        $set('identifier', null);
+                        $set('byte_to_convert', null);
+                        $set('type_to_convert', null);
+                        $set('decimal_to_display', null);
+                    })
+                    ->reactive()
                     ->required(),
                 Forms\Components\Select::make('mfm_meter_id')
                     ->label('Mfm Meter')
-                    ->relationship('mfmMeter', 'sequence')
+                   // ->relationship('mfmMeter', 'sequence')
+                   ->options(function (callable $get) {
+                        $plantId = $get('plant_id');
+
+                        if (!$plantId) {
+                            return [];
+                        }
+
+                        return \App\Models\MfmMeter::where('plant_id', $plantId)
+                            ->pluck('sequence', 'id');
+                    })
+                    ->afterStateUpdated(function (callable $set) {
+                        $set('name', null);
+                        $set('register_id', null);
+                        $set('identifier', null);
+                        $set('byte_to_convert', null);
+                        $set('type_to_convert', null);
+                        $set('decimal_to_display', null);
+                    })
+                    ->reactive()
                     ->required(),
                 Forms\Components\TextInput::make('name')
                     ->label('Parameter Name')
+                    ->reactive()
                     ->required(),
                 Forms\Components\TextInput::make('register_id')
                     ->label('Register ID')
+                    ->reactive()
                     ->required(),
                 Forms\Components\TextInput::make('identifier')
                     ->label('Identifier')
+                    ->reactive()
                     ->required(),
                 Forms\Components\TextInput::make('byte_to_convert')
                     ->label('Byte To Convert')
+                    ->reactive()
                     ->default(2)
                     ->required(),
                 Forms\Components\TextInput::make('type_to_convert')
@@ -67,6 +121,7 @@ class MfmParameterResource extends Resource
                     ->required(),
                 Forms\Components\TextInput::make('decimal_to_display')
                     ->label('Decimal To Display')
+                    ->reactive()
                     ->default(1)
                     ->required(),
                     ])