TbFileUpload.php

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<?php
Yii::import('zii.widgets.jui.CJuiInputWidget');

class TbFileUpload extends CJuiInputWidget
{
        public $url;

        public $multiple = false;

        public $uploadTemplate;

        public $downloadTemplate;

        public $previewImages = true;

        public $imageProcessing = true;

        public $formView = 'booster.views.fileupload.form';

        public $uploadView = 'booster.views.fileupload.upload';

        public $downloadView = 'booster.views.fileupload.download';

        public $previewImagesView = 'booster.views.gallery.preview';

        public function init()
        {
                if ($this->uploadTemplate === null) {
                        $this->uploadTemplate = "#template-upload";
                }

                if ($this->downloadTemplate === null) {
                        $this->downloadTemplate = "#template-download";
                }

                if (!isset($this->htmlOptions['enctype'])) {
                        $this->htmlOptions['enctype'] = 'multipart/form-data';
                }

                parent::init();
        }

        public function run()
        {

                list($name, $id) = $this->resolveNameID();

                $this->htmlOptions['id'] = $this->id.'-'.($this->hasModel() ? get_class($this->model) : 'fileupload') . '-form';

                $this->options['url'] = $this->url;

                // if acceptFileTypes is not set as option, try getting it from models rules
                if (!isset($this->options['acceptFileTypes'])) {
                        $fileTypes = $this->getFileValidatorProperty($this->model, $this->attribute, 'types');
                        if (isset($fileTypes)) {
                                $fileTypes = (preg_match(':jpg:', $fileTypes) && !preg_match(':jpe:', $fileTypes) ? preg_replace(
                                        ':jpg:',
                                        'jpe?g',
                                        $fileTypes
                                ) : $fileTypes);
                                $this->options['acceptFileTypes'] = 'js:/(\.)(' . preg_replace(':,:', '|', $fileTypes) . ')$/i';
                        }
                }

                // if maxFileSize is not set as option, try getting it from models rules
                if (!isset($this->options['maxFileSize'])) {
                        $fileSize = $this->getFileValidatorProperty($this->model, $this->attribute, 'maxSize');
                        if (isset($fileSize)) {
                                $this->options['maxFileSize'] = $fileSize;
                        }
                }

                if ($this->multiple) {
                        $this->htmlOptions["multiple"] = true;
                }

                $this->render($this->uploadView);
                $this->render($this->downloadView);
                $this->render($this->formView, array('name' => $name, 'htmlOptions' => $this->htmlOptions));

                if ($this->previewImages || $this->imageProcessing) {
                        $this->render($this->previewImagesView);
                }

                $this->registerClientScript($this->htmlOptions['id']);
        }

        public function registerClientScript($id)
        {
        $booster = Booster::getBooster();
        $booster->registerAssetCss('fileupload/jquery.fileupload-ui.css');

                // Upgrade widget factory
                // @todo remove when jquery.ui 1.9+ is fully integrated into stable Yii versions
        $booster->registerAssetJs('fileupload/vendor/jquery.ui.widget.js');
                //The Templates plugin is included to render the upload/download listings
        $booster->registerAssetJs("fileupload/tmpl.min.js", CClientScript::POS_END);

                if ($this->previewImages || $this->imageProcessing) {
            $booster->registerAssetJs("fileupload/load-image.min.js", CClientScript::POS_END);
            $booster->registerAssetJs("fileupload/canvas-to-blob.min.js", CClientScript::POS_END);
                        // gallery :) and one smile from me ;)
            $booster->registerAssetCss("bootstrap-image-gallery.min.css");
            $booster->registerAssetJs("bootstrap-image-gallery.min.js", CClientScript::POS_END);
                }
                //The Iframe Transport is required for browsers without support for XHR file uploads
        $booster->registerAssetJs('fileupload/jquery.iframe-transport.js');
        $booster->registerAssetJs('fileupload/jquery.fileupload.js');
                // The File Upload image processing plugin
                if ($this->imageProcessing) {
            $booster->registerAssetJs('fileupload/jquery.fileupload-ip.js');
                }
                // The File Upload file processing plugin
                if ($this->previewImages) {
            $booster->registerAssetJs('fileupload/jquery.fileupload-fp.js');
                }
                // locale
        $booster->registerAssetJs('fileupload/jquery.fileupload-locale.js');
                //The File Upload user interface plugin
        $booster->registerAssetJs('fileupload/jquery.fileupload-ui.js');

                $options = CJavaScript::encode($this->options);
                Yii::app()->clientScript->registerScript(__CLASS__ . '#' . $id, "jQuery('#{$id}').fileupload({$options});");
        }

        private function getFileValidatorProperty($model = null, $attribute = null, $property = null)
        {
                if (!isset($model, $attribute, $property)) {
                        return null;
                }

                foreach ($model->getValidators($attribute) as $validator) {
                        if ($validator instanceof CFileValidator) {
                                $ret = $validator->$property;
                        }
                }
                return isset($ret) ? $ret : null;
        }
}