/trunk/chimbien/app/controllers/components/image.php

<?php
    class ImageComponent extends Object {
        var $contentType = array('image/jpg','image/bmp','image/jpeg','image/gif','image/png','image/pjpg','image/pbmp','image/pjpeg','image/ppng','image/pgif');
        function upload_image_and_thumbnail($fileData,$size,$subFolder,$prefix,$max_size=7000) {
            if (strlen($fileData['name'])>4) {
                $error = 0;
                $destFolder = WWW_ROOT.$subFolder;
                $realFileName = $fileData['name'];
                if(!is_dir($destFolder)) mkdir($destFolder,true);
                $filetype = $this->getFileExtension($fileData['name']);
                $filetype = strtolower($filetype);
                if(!in_array($fileData['type'],$this->contentType)) {
                    return false;
                    exit();
                }
                else if($fileData['size'] > 700000 ) {
                    return false;exit();
                }
                else {
                    $imgsize = GetImageSize($fileData['tmp_name']);
                }
                if (is_uploaded_file($fileData['tmp_name'])) {
                    if (!copy($fileData['tmp_name'],$destFolder.'/'.$realFileName )) {
                        return false;
                        exit();
                    }
                    else {
                        $this->resize_img($destFolder.'/'.$realFileName, $size, $destFolder.'/'.$prefix.$realFileName);
                        unlink($destFolder.'/'.$realFileName);
                    }
                }
                return $fileData;
            }
        }

       function delete_image($filename) {
            unlink($filename);
        }

      function uploadFiles($folder, $formdata,$thumb='', $itemId = null) {
    // setup dir names absolute and relative
        $folder_url = WWW_ROOT.$folder;
        $rel_url = $folder;
        $result = array();

        // create the folder if it does not exist
        if(!is_dir($folder_url)) {
            mkdir($folder_url);
        }

        // if itemId is set create an item folder
        if($itemId) {
        // set new absolute folder
            $folder_url = WWW_ROOT.$folder.'/'.$itemId;
            // set new relative folder
            $rel_url = $folder.'/'.$itemId;
            // create directory
            if(!is_dir($folder_url)) {
                mkdir($folder_url);
            }
        }

        // list of permitted file types, this is only images but documents can be added
        $permitted = array('image/gif','image/jpeg','image/pjpeg','image/png');

        // loop through and deal with the files
        foreach($formdata as $file){
         // print_r($file);
        // replace spaces with underscores
          if(!empty($file['name'])){
            $filename = str_replace(' ', '_', $file['name']);
            // assume filetype is false
            $typeOK = false;
            // check filetype is ok
            foreach($permitted as $type) {
                if($type == $file['type']) {
                    $typeOK = true;
                    break;
                }
            }
            // if file type ok upload the file
            if($typeOK) {
            // switch based on error code
                switch($file['error']) {
                    case 0:
                    // check filename already exists
                        $now = '';
                        if(!file_exists($folder_url.'/'.$filename)) {
                        // create full filename
                            $full_url = $folder_url.'/'.$filename;
                            $url = $rel_url.'/'.$filename;
                            // upload the file
                            $success = move_uploaded_file($file['tmp_name'], $url);
                        } else {
                        // create unique filename and upload file
                            ini_set('date.timezone', 'Europe/London');
                            $now = date('Y-m-d-His');
                            $full_url = $folder_url.'/'.$now.$filename;

                            $url = $rel_url.'/'.$now.$filename;
                            $success = move_uploaded_file($file['tmp_name'], $url);
                        }
                        // if upload was successful
                        if($success) {
                        // save the url of the file
                            $result['urls'][] = $url;
                            $result['filename'] = $now.$filename;
                            $result['mfile'][] = $now.$filename;

                            if($thumb){
                                $thumbFolder = $folder_url.'/thumb';
                                $this->resize_img($folder_url.'/'.$result['filename'], $thumb, $thumbFolder.'/'.$result['filename']);
                            }

                        } else {
                            $result['errors'][] = "Error uploaded $filename. Please try again.";
                        }
                        break;
                    case 3:
                    // an error occured
                        $result['errors'][] = "Error uploading $filename. Please try again.";
                        break;
                    default:
                    // an error occured
                        $result['errors'][] = "System error uploading $filename. Contact webmaster.";
                        break;
                }
            } elseif($file['error'] == 4) {
            // no file was selected for upload
                $result['nofiles'][] = "No file Selected";
            } else {
            // unacceptable file type
                $result['errors'][] = "$filename cannot be uploaded. Acceptable file types: gif, jpg, png.";
            }

        }
        }
        return $result;
    }
       function uploadFile($folder, $file, $itemId = null) {

    // setup dir names absolute and relative
        $folder_url = WWW_ROOT.$folder;
        $rel_url = $folder;
        $result = array();

        // create the folder if it does not exist
        if(!is_dir($folder_url)) {
            mkdir($folder_url);
        }

        // if itemId is set create an item folder
        if($itemId) {
        // set new absolute folder
            $folder_url = WWW_ROOT.$folder.'/'.$itemId;
            // set new relative folder
            $rel_url = $folder.'/'.$itemId;
            // create directory
            if(!is_dir($folder_url)) {
                mkdir($folder_url);
            }
        }

        // list of permitted file types, this is only images but documents can be added
       // $permitted = array('image/gif','image/jpeg','image/pjpeg','image/png');

        // loop through and deal with the files


        // replace spaces with underscores
          if(!empty($file['name'])){
            $filename = str_replace(' ', '_', $file['name']);
            // assume filetype is false
            $typeOK = true;
            // if file type ok upload the file
            if($typeOK) {
            // switch based on error code
                switch($file['error']) {
                    case 0:
                    // check filename already exists
                        $now = '';
                        if(!file_exists($folder_url.'/'.$filename)) {
                        // create full filename
                            $full_url = $folder_url.'/'.$filename;
                            $url = $rel_url.'/'.$filename;
                            // upload the file
                            $success = move_uploaded_file($file['tmp_name'], $url);
                        } else {
                        // create unique filename and upload file
                            ini_set('date.timezone', 'Europe/London');
                            $now = date('Y-m-d-His');
                            $full_url = $folder_url.'/'.$now.$filename;

                            $url = $rel_url.'/'.$now.$filename;
                            $success = move_uploaded_file($file['tmp_name'], $url);
                        }
                        // if upload was successful
                        if($success) {
                        // save the url of the file
                            $result['urls'][] = $url;
                            $result['filename'] = $now.$filename;
                            $result['size'] = $file['size'];
							$result['type'] = $file['type'];


                        } else {
                            $result['errors'][] = "Error uploaded $filename. Please try again.";
                        }
                        break;
                    case 3:
                    // an error occured
                        $result['errors'][] = "Error uploading $filename. Please try again.";
                        break;
                    default:
                    // an error occured
                        $result['errors'][] = "System error uploading $filename. Contact webmaster.";
                        break;
                }
            } elseif($file['error'] == 4) {
            // no file was selected for upload
                $result['nofiles'][] = "No file Selected";
            } else {
            // unacceptable file type
                $result['errors'][] = "$filename cannot be uploaded. Acceptable file types: gif, jpg, png.";
            }

        }

        return $result;
    }
    function deleteFile($folder, $filename){
        @unlink(WWW_ROOT . $folder . DS . $filename);
    }

        function resize_img($tempFile, $size, $newFile) {
            $filetype = $this->getFileExtension($tempFile);
            $filetype = strtolower($filetype);
            switch($filetype) {
                case "jpeg":
                case "jpg":
                    $img_src = imagecreatefromjpeg($tempFile);
                    break;
                case "gif":
                    $img_src = imagecreatefromgif ($tempFile);
                    break;
                case "png":
                    $img_src = imagecreatefrompng ($tempFile);
                case "bmp":
                    $img_src = imagecreatefromwbmp ($tempFile);
                    break;
            }
            $true_width = imagesx($img_src);
            $true_height = imagesy($img_src);

            $size = explode('x',strtolower($size));
            if ($true_width>=$true_height) {
                $width=$size[0];
                $height = ($width/$true_width)*$true_height;
            }
            else {
                $height=$size[1];
                $width = ($height/$true_height)*$true_width;
            }
            $img_des = imagecreatetruecolor($width,$height);
            imagecopyresampled ($img_des, $img_src, 0, 0, 0, 0, $width, $height, $true_width, $true_height);
            // Save the resized image
            switch($filetype) {
                case "jpeg":
                case "jpg":
                    imagejpeg($img_des,$newFile,80);
                    break;
                case "gif":
                    imagegif($img_des,$newFile,80);
                    break;
                case "png":
                    imagepng($img_des,$newFile,80);
                case "bmp":
                    imagewbmp($img_des,$newFile,80);
                    break;
            }
        }
        function getFileExtension($str) {
            $i = strrpos($str,".");
            if (!$i) { return ""; }
            $l = strlen($str) - $i;
            $ext = substr($str,$i+1,$l);
            return $ext;
        }
    }
    ?>