schmunk42\giiant\generators\crud\providers\core\RelationProvider::relationGrid PHP Method

    public function relationGrid($name, $relation, $showAllRecords = false)
    {
        $model = new $relation->modelClass();
        // column counter
        $counter = 0;
        $columns = '';
        if (!$this->generator->isPivotRelation($relation)) {
            // hasMany relations
            $template = '{view} {update}';
            $deleteButtonPivot = '';
        } else {
            // manyMany relations
            $template = '{view} {delete}';
            $deleteButtonPivot = <<<EOS
'delete' => function (\$url, \$model) {
                return Html::a('<span class="glyphicon glyphicon-remove"></span>', \$url, [
                    'class' => 'text-danger',
                    'title'         => {$this->generator->generateString('Remove')},
                    'data-confirm'  => {$this->generator->generateString('Are you sure you want to delete the related item?')},
                    'data-method' => 'post',
                    'data-pjax' => '0',
                ]);
            },
'view' => function (\$url, \$model) {
                return Html::a(
                    '<span class="glyphicon glyphicon-cog"></span>',
                    \$url,
                    [
                        'data-title'  => {$this->generator->generateString('View Pivot Record')},
                        'data-toggle' => 'tooltip',
                        'data-pjax'   => '0',
                        'class'       => 'text-muted',
                    ]
                );
            },
EOS;
        }
        $reflection = new \ReflectionClass($relation->modelClass);
        $controller = $this->generator->pathPrefix . Inflector::camel2id($reflection->getShortName(), '-', true);
        $relKey = key($relation->link);
        $actionColumn = <<<EOS
[
    'class'      => '{$this->generator->actionButtonClass}',
    'template'   => '{$template}',
    'contentOptions' => ['nowrap'=>'nowrap'],
    'urlCreator' => function (\$action, \$model, \$key, \$index) {
        // using the column name as key, not mapping to 'id' like the standard generator
        \$params = is_array(\$key) ? \$key : [\$model->primaryKey()[0] => (string) \$key];
        \$params[0] = '{$controller}' . '/' . \$action;
        \$params['{$model->formName()}'] = ['{$relKey}' => \$model->primaryKey()[0]];
        return \$params;
    },
    'buttons'    => [
        {$deleteButtonPivot}
    ],
    'controller' => '{$controller}'
]
EOS;
        // add action column
        $columns .= $actionColumn . ",\n";
        // prepare grid column formatters
        $model->setScenario('crud');
        $safeAttributes = $model->safeAttributes();
        if (empty($safeAttributes)) {
            $safeAttributes = $model->getTableSchema()->columnNames;
        }
        foreach ($safeAttributes as $attr) {
            // max seven columns
            if ($counter > $this->generator->gridRelationMaxColumns) {
                continue;
            }
            // skip virtual attributes
            if ($this->skipVirtualAttributes && !isset($model->tableSchema->columns[$attr])) {
                continue;
            }
            // don't show current model
            if (key($relation->link) == $attr) {
                continue;
            }
            $code = $this->generator->columnFormat($attr, $model);
            if ($code == false) {
                continue;
            }
            $columns .= $code . ",\n";
            ++$counter;
        }
        $query = $showAllRecords ? "'query' => \\{$relation->modelClass}::find()" : "'query' => \$model->get{$name}()";
        $pageParam = Inflector::slug("page-{$name}");
        $firstPageLabel = $this->generator->generateString('First');
        $lastPageLabel = $this->generator->generateString('Last');
        $code = "'<div class=\"table-responsive\">'\n . ";
        $code .= <<<EOS
\\yii\\grid\\GridView::widget([
    'layout' => '{summary}{pager}<br/>{items}{pager}',
    'dataProvider' => new \\yii\\data\\ActiveDataProvider([
        {$query},
        'pagination' => [
            'pageSize' => 20,
            'pageParam'=>'{$pageParam}',
        ]
    ]),
    'pager'        => [
        'class'          => yii\\widgets\\LinkPager::className(),
        'firstPageLabel' => {$firstPageLabel},
        'lastPageLabel'  => {$lastPageLabel}
    ],
    'columns' => [
 {$columns}]
])
EOS;
        $code .= "\n . '</div>' ";
        return $code;
    }

 public function relationGrid($name, $relation, $showAllRecords = false)
 {
     $data = parent::relationGrid($name, $relation, $showAllRecords);
     $data = str_replace('return Url::toRoute', "\$params['ru'] = ReturnUrl::getToken();\n                return Url::toRoute", $data);
     return TabPadding::pad($data, 1);
 }