PHP code example of pavlinter / yii2-multifields

1. Go to this page and download the library: Download pavlinter/yii2-multifields library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

pavlinter / yii2-multifields example snippets


php composer.phar 


use pavlinter\multifields\ModelHelper;
use yii\web\Response;

...

public function actionCreate()
{
    $model = new Product();
    $options = [new ProductOption(['scenario' => 'multiFields'])];

    if(Yii::$app->request->isPost) {

        $loaded = $model->load(Yii::$app->request->post());
        $loaded = ModelHelper::load($options) && $loaded;

        if ($loaded) {

            if (ModelHelper::validate([$model, $options])) {
                $model->save(false);
                $newId = [];
                foreach ($options as $oldId => $option) {
                    $option->id_product = $model->id;
                    $option->save(false);
                    ModelHelper::ajaxChangeField($newId, $option, 'name', $oldId);
                    ModelHelper::ajaxChangeField($newId, $option, 'value', $oldId);
                }
                if (Yii::$app->request->isAjax) {
                    Yii::$app->response->format = Response::FORMAT_JSON;
                    return ['r' => 1, 'newId' => $newId];
                } else {
                    return $this->redirect(['index']);
                }
            } else {
                if (Yii::$app->request->isAjax) {
                    Yii::$app->response->format = Response::FORMAT_JSON;
                    $errors = ModelHelper::ajaxErrors([$model, $options]);
                    return ['r' => 0, 'errors' => $errors];
                }
            }
        }
    }
    return $this->render('create', [
        'model' => $model,
        'options' => $options,
    ]);
}
public function actionUpdate($id)
{
    $model = Product::findOne($id);
    $options = ProductOption::find()->where(['id_product' => $id])->indexBy('id')->all();
    if (empty($options)) {
        $options[] = new ProductOption(['scenario' => 'multiFields']);
    } else {
        foreach ($options as $option) {
            $option->scenario = 'multiFields';
        }
    }

    if(Yii::$app->request->isPost) {

        $loaded = $model->load(Yii::$app->request->post());
        $loaded = ModelHelper::load($options) && $loaded;

        if ($loaded) {

            if (ModelHelper::validate([$model, $options])) {
                $model->save(false);
                $newId = [];
                foreach ($options as $oldId => $option) {
                    $option->id_product = $model->id;
                    $option->save(false);
                    ModelHelper::ajaxChangeField($newId, $option, 'name', $oldId);
                    ModelHelper::ajaxChangeField($newId, $option, 'value', $oldId);
                }

                if (Yii::$app->request->isAjax) {
                    Yii::$app->response->format = Response::FORMAT_JSON;
                    return ['r' => 1, 'newId' => $newId];
                } else {
                    return $this->redirect(['index']);
                }
            } else {
                if (Yii::$app->request->isAjax) {
                    Yii::$app->response->format = Response::FORMAT_JSON;
                    $errors = ModelHelper::ajaxErrors([$model, $options]);
                    return ['r' => 0, 'errors' => $errors];
                }
            }
        }
    }

    return $this->render('update', [
        'model' => $model,
        'options' => $options,
    ]);

}
public function actionDeleteOption()
{
    $id = Yii::$app->request->post('id');
    $model = ProductOption::findOne($id);
    if ($model !== null) {
        $model->delete();
    }
    Yii::$app->response->format = Response::FORMAT_JSON;
    return ['r' => 1];
}


use pavlinter\multifields\MultiFields;

...

$this->registerJs('
    $("#product-form").on("beforeSubmit",function(e){
        var $form = $(this);
        $.ajax({
            url: $form.attr("action"),
            type: "POST",
            dataType: "json",
            data: $form.serialize(),
        }).done(function(d){
            if(d.r) {
                $form.trigger("updateRows",[d.newId]).trigger("scrollToTop");
            } else {
                $form.trigger("updateErrors",[d.errors]).trigger("scrollToError");
            }
        });
        return false;
    });
');