344 lines
8.5 KiB
PHP
344 lines
8.5 KiB
PHP
<?php namespace Aweos\Resizer\FormWidgets;
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use Db;
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use Input;
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use Request;
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use Response;
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use Validator;
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use Backend\Widgets\Form;
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use Backend\Classes\FormField;
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use Backend\Classes\FormWidgetBase;
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use October\Rain\Filesystem\Definitions as FileDefinitions;
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use ApplicationException;
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use ValidationException;
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use Exception;
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use Aweos\Resizer\Traits\ResponsiveSaver;
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use Aweos\Resizer\Traits\ResponsiveWidget;
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use Aweos\Resizer\Classes\UploadStorage;
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/**
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* File upload field
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* Renders a form file uploader field.
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*
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* Supported options:
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* - mode: image-single, image-multi, file-single, file-multi
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* - upload-label: Add file
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* - empty-label: No file uploaded
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*
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* @package october\backend
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* @author Alexey Bobkov, Samuel Georges
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*/
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class Responsiveimage extends FormWidgetBase
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{
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public $minWidth;
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public $aspectRatio;
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/**
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* @var mixed Collection of acceptable file types.
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*/
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public $fileTypes = false;
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/**
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* @var mixed Collection of acceptable mime types.
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*/
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public $mimeTypes = false;
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/**
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* @var mixed Max file size.
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*/
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public $maxFilesize;
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/**
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* @var array Options used for generating thumbnails.
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*/
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public $thumbOptions = [
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'mode' => 'crop',
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'extension' => 'auto'
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];
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/**
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* @var boolean Allow the user to set a caption.
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*/
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public $useCaption = true;
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/**
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* @var boolean Automatically attaches the uploaded file on upload if the parent record exists instead of using deferred binding to attach on save of the parent record. Defaults to false.
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*/
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public $attachOnUpload = false;
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//
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// Object properties
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//
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/**
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* @inheritDoc
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*/
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protected $defaultAlias = 'responsiveimage';
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/**
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* @var Backend\Widgets\Form The embedded form for modifying the properties of the selected file
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*/
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protected $configFormWidget;
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/**
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* @inheritDoc
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*/
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public function init()
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{
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$this->maxFilesize = $this->getUploadMaxFilesize();
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$this->fillFromConfig([
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'minWidth',
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'aspectRatio'
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]);
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/*
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if ($this->formField->disabled) {
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$this->previewMode = true;
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}
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//$this->getConfigFormWidget();
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*/
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}
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/**
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* @inheritDoc
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*/
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public function render()
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{
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$this->prepareVars();
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return $this->makePartial('responsiveimage');
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}
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/**
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* Prepares the view data
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*/
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protected function prepareVars()
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{
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$this->vars['aspectRatio'] = $this->aspectRatio;
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$this->vars['minWidth'] = $this->minWidth;
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}
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/**
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* Get the file record for this request, returns false if none available
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*
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* @return System\Models\File|false
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*/
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protected function getFileRecord()
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{
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$record = false;
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return $record;
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}
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/**
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* Returns the escaped and translated prompt text to display according to the type.
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* @return string
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*/
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protected function getPromptText()
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{
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if ($this->prompt === null) {
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$isMulti = ends_with($this->getDisplayMode(), 'multi');
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$this->prompt = $isMulti
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? 'backend::lang.fileupload.upload_file'
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: 'backend::lang.fileupload.default_prompt';
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}
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return str_replace('%s', '<i class="icon-upload"></i>', e(trans($this->prompt)));
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}
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/**
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* Returns the CSS dimensions for the uploaded image,
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* uses auto where no dimension is provided.
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* @param string $mode
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* @return string
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*/
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protected function getCssDimensions($mode = null)
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{
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if (!$this->imageWidth && !$this->imageHeight) {
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return '';
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}
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$cssDimensions = '';
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if ($mode == 'block') {
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$cssDimensions .= $this->imageWidth
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? 'width: '.$this->imageWidth.'px;'
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: 'width: '.$this->imageHeight.'px;';
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$cssDimensions .= ($this->imageHeight)
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? 'max-height: '.$this->imageHeight.'px;'
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: 'height: auto;';
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}
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else {
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$cssDimensions .= $this->imageWidth
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? 'width: '.$this->imageWidth.'px;'
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: 'width: auto;';
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$cssDimensions .= ($this->imageHeight)
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? 'max-height: '.$this->imageHeight.'px;'
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: 'height: auto;';
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}
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return $cssDimensions;
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}
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/**
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* Returns the specified accepted file types, or the default
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* based on the mode. Image mode will return:
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* - jpg,jpeg,bmp,png,gif,svg
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* @return string
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*/
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public function getAcceptedFileTypes($includeDot = false)
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{
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$types = $this->fileTypes;
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if ($types === false) {
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$isImage = starts_with($this->getDisplayMode(), 'image');
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$types = implode(',', FileDefinitions::get($isImage ? 'imageExtensions' : 'defaultExtensions'));
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}
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if (!$types || $types == '*') {
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return null;
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}
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if (!is_array($types)) {
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$types = explode(',', $types);
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}
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$types = array_map(function ($value) use ($includeDot) {
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$value = trim($value);
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if (substr($value, 0, 1) == '.') {
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$value = substr($value, 1);
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}
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if ($includeDot) {
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$value = '.'.$value;
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}
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return $value;
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}, $types);
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return implode(',', $types);
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}
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/**
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* Removes a file attachment.
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*/
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public function onRemoveAttachment()
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{
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//
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}
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/**
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* Loads the configuration form for an attachment, allowing title and description to be set.
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*/
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public function onLoadAttachmentConfig()
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{
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//
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}
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/**
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* Commit the changes of the attachment configuration form.
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*/
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public function onSaveAttachmentConfig()
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{
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try {
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$formWidget = $this->getConfigFormWidget();
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if ($file = $formWidget->model) {
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$modelsToSave = $this->prepareModelsToSave($file, $formWidget->getSaveData());
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Db::transaction(function () use ($modelsToSave, $formWidget) {
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foreach ($modelsToSave as $modelToSave) {
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$modelToSave->save(null, $formWidget->getSessionKey());
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}
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});
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return ['displayName' => $file->title ?: $file->file_name];
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}
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throw new ApplicationException('Unable to find file, it may no longer exist');
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}
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catch (Exception $ex) {
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return json_encode(['error' => $ex->getMessage()]);
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}
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}
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/**
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* @inheritDoc
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*/
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protected function loadAssets()
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{
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$this->addCss('css/responsiveimage.build.css', 'core');
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$this->addJs('js/responsiveimage.build.js', 'core');
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}
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/**
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* @inheritDoc
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*/
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public function getSaveValue($value)
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{
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return FormField::NO_SAVE_DATA;
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}
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/**
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* Upload handler for the server-side processing of uploaded files
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*/
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public function onUpload()
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{
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if (!Input::hasFile('file_data')) {
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throw new ApplicationException('File missing from request');
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}
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$data = json_decode(Input::get('extraData'), true);
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$uploadedFile = Input::file('file_data');
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if (!$uploadedFile->isValid()) {
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throw new ApplicationException('File is not valid');
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}
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app(UploadStorage::class)->storeFileFromUpload($uploadedFile, $data);
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return Response::make('', 200);
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}
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/**
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* Adds the bespoke attributes used internally by this widget.
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* - thumbUrl
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* - pathUrl
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* @return System\Models\File
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*/
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protected function decorateFileAttributes($file)
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{
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$path = $thumb = $file->getPath();
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if ($this->imageWidth || $this->imageHeight) {
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$thumb = $file->getThumb($this->imageWidth, $this->imageHeight, $this->thumbOptions);
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}
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$file->pathUrl = $path;
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$file->thumbUrl = $thumb;
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return $file;
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}
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/**
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* Return max upload filesize in Mb
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* @return integer
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*/
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protected function getUploadMaxFilesize()
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{
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$size = ini_get('upload_max_filesize');
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if (preg_match('/^([\d\.]+)([KMG])$/i', $size, $match)) {
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$pos = array_search($match[2], ['K', 'M', 'G']);
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if ($pos !== false) {
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$size = $match[1] * pow(1024, $pos + 1);
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}
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}
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return floor($size / 1024 / 1024);
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}
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}
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