yii2-select2

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yii2-select2 최신버젼 다운로드

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Select2 widget for Yii2 framework
=================

## Description

Select2 gives you a customizable select box with support for searching, tagging, remote data sets, infinite scrolling, and many other highly used options.
For more information please visit [Select2](https://select2.github.io/)

## Installation

The preferred way to install this extension is through [composer](http://getcomposer.org/download/).

To install, either run

```
$ php composer.phar require conquer/select2 "*"
```
or add

```
"conquer/select2": "*"
```

to the ```require``` section of your `composer.json` file.

## Usage

Basic usage:

```php
// Form edit view
use conquer\select2\Select2Widget;
use yii\helpers\ArrayHelper;

$form->field($model, 'attribute')->widget(
    Select2Widget::className(),
    [
        'items'=>ArrayHelper::map(Catalog::find()->all(), 'id', 'name')
    ]
);
```

Ajax:

```php

use conquer\select2\Select2Action;
...

class SiteController extends Controller
{
    public function actions()
    {
        return [
            'ajax' => [
                'class' => Select2Action::className(),
                'dataCallback' => [$this, 'dataCallback'],
            ],
        ];
    }
    /**
     * 
     * @param string $q
     * @return array
     */
    public function dataCallback($q)
    {
        $query = new ActiveQuery(Catalog::className());
        return [
            'results' =>  $query->select([
                    'catalog_id as id',
                    'catalog_name as text', 
                ])
                ->filterWhere(['like', 'catalog_name', $q])
                ->asArray()
                ->limit(20)
                ->all(),
        ];
    }
}

// Form edit view:

$form->field($model, 'attribute')->widget(
    Select2Widget::className(),
    [
        'ajax' => ['site/ajax']
    ]
);
```

Jquery Events:

Array the Select2 JQuery events. You must define events in event-name => event-function format. All events will be stacked in the sequence. Refer the [plugin options documentation ](https://select2.github.io/options.html) for details.

For example:

```php

$form->field($model, 'attribute')->widget(
    Select2Widget::className(),
    [
        'events' => [
            'select2:open' => "function() { log('open'); }",
        ]
    ]
);

```

Initialization of multiple selection in case of using ajax and custom templates.

```php
<?= $form->field($model, 'multipleItems')->widget(Select2Widget::className(), [
    'options' => [
        'placeholder' => 'Select items ...',
    ],
    'ajax' => Url::to(['items/search']),
    'multiple' => true,
    'items' => ArrayHelper::map($model->multipleItems, 'id', 'text'),
    // Initial data the same, as returned results from Ajax request items/search
    'data' => $model->multipleItems,
    'settings' => [
        'ajax' => ['delay' => 250],
        'minimumInputLength' => 1,
        'minimumResultsForSearch' => -1,
        /** 
         * Handlebars here is used as example of using template engine
         * If you will not provide initial data,
         *   custom templates will not access additional info of items
         */
        'templateResult' => 'js:Handlebars.compile($("#template-result").html())',
        'templateSelection' => 'js:Handlebars.compile($("#template-selection").html())',
        'escapeMarkup' => 'js:function(markup){ return markup; }',
    ],
]) ?>
```

## License

**conquer/select2** is released under the MIT License. See the bundled `LICENSE` for details.

yii2-select2

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