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https://github.com/Oreolek/yii2-nested-sets.git
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75 lines
1.5 KiB
Markdown
75 lines
1.5 KiB
Markdown
# Nested Sets Behavior for Yii 2
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[](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WJYG53DVUAALL)
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[](https://travis-ci.org/creocoder/yii2-nested-sets)
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## Introduction
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The nested sets behavior for the Yii framework.
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## Installation
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The preferred way to install this extension is through [composer](http://getcomposer.org/download/).
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Either run
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```
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php composer.phar require creocoder/yii2-nested-sets "dev-master"
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```
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or add
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```json
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"creocoder/yii2-nested-sets": "dev-master"
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```
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to the require section of your `composer.json` file.
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## Configuring
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First you need to configure model as follows:
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```php
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use creocoder\nestedsets\NestedSetsBehavior;
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class Tree extends \yii\db\ActiveRecord
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{
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public function behaviors() {
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return [
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NestedSetsBehavior::className(),
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];
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}
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public function transactions()
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{
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return [
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self::SCENARIO_DEFAULT => self::OP_ALL,
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];
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}
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public static function find()
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{
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return new TreeQuery(get_called_class());
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}
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}
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```
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Second you need to configure query model as follows:
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```php
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use creocoder\nestedsets\NestedSetsQueryBehavior;
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class TreeQuery extends \yii\db\ActiveQuery
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{
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public function behaviors() {
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return [
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NestedSetsQueryBehavior::className(),
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];
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}
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}
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```
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## Usage
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TBD.
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