salopot/yii2-attach-image

Provides behaviors for attach files to model and manipulate it if files is image

Model attach image behavior

Provides behaviors for attach files to model and manipulate it if files is image, _(*1)

Features

• Multilevel file store structure
• Can generate thumbnail manual, by demand, after upload or return image as base64 encoded string
• Automatic delete linked file when delete model
• Allow use any image manipulation component. Default use imagine

Installation

The preferred way to install this extension is through composer., _(*2)

Either run, _(*3)

php composer.phar require --prefer-dist salopot/yii2-attach-image "dev-master"

or add, _(*4)

"salopot/yii2-attach-image": "dev-master"

to the require section of your composer.json file., _(*5)

Usage

Once the extension is installed, simply use it in your code by :, _(*6)

```php //in model, <sub>(*7)</sub>

use salopot\attach\behaviors\AttachFileBehavior; use salopot\attach\behaviors\AttachImageBehavior; ..., <sub>(*8)</sub>

public function rules() { return [ ... [['origin_name'], 'string', 'max' => 255], [['image'], 'image'], ]; }, <sub>(*9)</sub>

public function behaviors() { return [ 'image' => [ 'class' => AttachImageBehavior::className(), 'attributeName' => 'image', //'relativeTypeDir' => '/upload/images/test/', 'types' => array( 'thumb' => array( //'format' => 'gif', //"gif", "jpeg", "png", "wbmp", "xbm" 'process' => function($behavior, $image) { return $image->thumbnail(new \Imagine\Image\Box(150, 150)); } ), 'background' => array( 'process' => function($behavior, $image) { $image = $image->thumbnail(new \Imagine\Image\Box(150, 150)); $image->effects()->grayscale(); return $image; }, ), 'main' => array( //'processOn' => AttachImageBehavior::PT_DEMAND, //PT_RENDER, PT_BASE64_ENCODED, 'process' => function($behavior, $image) { $watermark = \yii\imagine\Image::getImagine()->open(Yii::$app->params['watermark']); $size = $image->getSize(); $wSize = $watermark->getSize(); $bottomRight = new \Imagine\Image\Point($size->getWidth() - $wSize->getWidth(), $size->getHeight() - $wSize->getHeight()); $image->paste($watermark, $bottomRight); $image = $image->thumbnail(new \Imagine\Image\Box(150, 150)); return $image; }, ), ), ] ]; }, <sub>(*10)</sub>

//Also can store extended info, <sub>(*11)</sub>

public function init() { parent::init(); $this->on(AttachFileBehavior::EVENT_AFTER_ATTACH_DATA, [$this, 'afterAttachData']); }, <sub>(*12)</sub>

public function afterAttachData($event) { $this->origin_name = $event->uploadedFile->name; }, <sub>(*13)</sub>

//in form edit view: = $form->field($model, 'image')->fileInput() ?>, <sub>(*14)</sub>

//in view: = Html::img($model->getBehavior('image')->getUrl('thumb')); ?> = Html::img($model->getBehavior('image')->getUrl('background')); ?> = Html::img($model->getBehavior('image')->getUrl('main')); ?>, <sub>(*15)</sub>