1 <?php
  2 
  3 class ImageDataObjectManager extends FileDataObjectManager {
  4     protected static $sliderWidth = 150;
  5     protected static $minImageSize = 25;
  6     protected static $maxImageSize = 300;
  7 
  8     
  9     public $view = "grid";
 10     protected $limitFileTypes = array ('jpg','jpeg','gif','png');
 11     public $template = "ImageDataObjectManager";
 12     public $itemClass = "ImageDataObjectManager_Item";
 13     public $popupClass = "ImageDataObjectManager_Popup";
 14     public $importClass = "Image";
 15 
 16     public $imageSize = 100;
 17 
 18     public function __construct($controller, $name = null, $sourceClass = null, $fileFieldName = null, $fieldList = null, $detailFormFields = null, $sourceFilter = "", $sourceSort = "", $sourceJoin = "") {
 19         parent::__construct($controller, $name, $sourceClass, $fileFieldName, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
 20         Requirements::css('dataobject_manager/css/ui/dom_jquery_ui.css');
 21         Requirements::javascript('dataobject_manager/javascript/imagedataobject_manager.js');
 22 
 23         if(isset($_REQUEST['ctf'][$this->Name()])) {
 24             $this->imageSize = $_REQUEST['ctf'][$this->Name()]['imagesize'];
 25         }
 26         $this->setAllowedFileTypes($this->limitFileTypes);
 27         
 28         if (property_exists('WebylonSiteConfig', 'max_image_upload_size')) {
 29             $this->uploadMaxSize = WebylonSiteConfig::$max_image_upload_size;
 30         } else {
 31             $this->uploadMaxSize = ((int)ini_get('upload_max_filesize')) * 1024 * 1024;
 32         }
 33     }
 34 
 35     function handleItem($request) {
 36         return new ImageDataObjectManager_ItemRequest($this, $request->param('ID'));
 37     }
 38 
 39     public function getQueryString($params = array()) {
 40         $imagesize = isset($params['imagesize'])? $params['imagesize'] : $this->imageSize;
 41         return parent::getQueryString($params)."&ctf[{$this->Name()}][imagesize]={$imagesize}";
 42     }
 43 
 44     public function SliderPercentage() {
 45         return ($this->imageSize - self::$minImageSize) / ((self::$maxImageSize - self::$minImageSize) / 100);
 46     }
 47 
 48     public function SliderPosition() {
 49         return floor(($this->SliderPercentage()/100) * self::$sliderWidth) - (.17 * $this->SliderPercentage()); // handle is 16px wide
 50     }
 51 
 52 
 53 }
 54 
 55 class ImageDataObjectManager_Item extends FileDataObjectManager_Item {
 56 
 57     function __construct(DataObject $item, ComplexTableField $parent) {
 58         parent::__construct($item, $parent);
 59     }
 60 
 61     public function FileIcon() {
 62         $file = ($this->parent->hasDataObject) ? $this->obj($this->parent->fileFieldName) : $this->item;
 63         if($file) {
 64             if($this->parent->imageSize <= 50) $size = 50;
 65             elseif($this->parent->imageSize <= 100) $size = 100;
 66             elseif($this->parent->imageSize <= 200) $size = 200;
 67             else $size = 300;
 68             return ($file instanceof Image && $cropped = $file->CroppedImage($size, $size)) ? $cropped->URL : $file->Icon();
 69         }
 70         return false;
 71     }
 72 
 73     public function ImageSize() {
 74         return $this->parent->imageSize;
 75     }
 76 
 77 }
 78 
 79 class ImageDataObjectManager_Popup extends FileDataObjectManager_Popup {
 80     function __construct($controller, $name, $fields, $validator, $readonly, $dataObject) {
 81         parent::__construct($controller, $name, $fields, $validator, $readonly, $dataObject);
 82         Requirements::css('dataobject_manager/css/imagedataobject_manager.css');
 83     }
 84 
 85 }
 86 
 87 class ImageDataObjectManager_ItemRequest extends FileDataObjectManager_ItemRequest {
 88     function __construct($ctf, $itemID) {
 89         parent::__construct($ctf, $itemID);
 90     }
 91 
 92     function DetailForm($childID = null) {
 93         if($this->ctf->hasDataObject) {
 94             $fileField = $this->ctf->fileFieldName;
 95             $imgObj = $this->dataObj()->$fileField();
 96         } else {
 97             $imgObj = $this->dataObj();
 98         }
 99         
100         $form = parent::DetailForm($childID);
101         
102         $form->Fields()->insertAfter($this->ctf->getPreviewFieldFor($imgObj, 200), 'open');
103         return $form;
104     }   
105 }
106 
107 ?>