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I add link to example of using this code.
http://cakeexplorersamples.googlecode.com/files/image_bahavior_example.rar

I was working on something similar, but using an Image model to store the file info and associate the image with parent model using a belongsTo association. Your solution is much nicer.

I was also able to modify the behavior to make it work for both image and file uploads.

Thanks!

I have just started my adventure with cake and could You tell how to validate avantar extension . For example when I'am trying to upload zip file I wish to receive flash message: "wrong type of file".

Thanks for this piece of code, Yevgeny!

How do I go about passing just one of the dimensions and having the behavior create the image such that the aspect ratio is preserved?
I tried not passing 'height' for the versions, but I got errors and the version images were not created.

Thanks in advance!

...unfortunatly this behaviour isnt working on recursive associations. Though this isnt caused by the behaviour itself but by the fact that CAKE doesnt seem to call behaviours recursivly it is still a big limitation. I wonder if there is a way to make behaviours work on recursive associated models without modifying the CAKE core files.

Hi SkieDr!

There is no info about the license and I would like to modify this behaviour to use it in a personal project, may I?

BTW, good job mate, this code is very useful :-)

Use the beforeValidate() function below to check if the uploaded image is really an image.. invalidates if not...

Just paste it somewhere in the behavior above.

Haven't tested it that much but it works fine for me!

http://www.pastebin.be/6872

cheers!

Would be great to move the GD stuff out of __resize() and put them into __resize_gd2() and then create __resize_imagemagick().

This would allow the use of the far superior imagemagick over gd, and would also be easily extend with other image lib functions if needed.

p.s. Awesome code, thanks!

I have some questions about defining the upload folder used in these 2 functions.

<code>
function __getFolder(&$model, $record) {
extract($this->settings[$model->name]);
return $baseDir .'/'. Inflector::camelize($model->name) .'/'. $record[$model->primaryKey] . '/';
}
function __getFullFolder(&$model, $field) {
extract($this->settings[$model->name]);
return WWW_ROOT . IMAGES_URL. $baseDir .DS. Inflector::camelize($model->name) .DS. $model->id .DS;
}
</code>


Where do $baseDir and IMAGES_URL get defined?

For some reason, the file type is being stored in the DB field rather than the file name. I'm using CakePHP 1.2.0.6311-beta

How do I go about passing just one of the dimensions and having the behavior create the image such that the aspect ratio is preserved?
I tried not passing 'height' for the versions, but I got errors and the version images were not created.

It is quite easy to modify the behavior to make it generate the other dimension when only one is passed. In __resize() method just before the $width and $height declaration add this code:


        if (!isset($fieldParams['height']) or !$fieldParams['height']) {
            $fieldParams['height'] = (int) (($fieldParams['width'] / $size[0]) * $size[1]);
        } elseif (!isset($fieldParams['width']) or !$fieldParams['width']) {
            $fieldParams['width'] = (int) (($fieldParams['height'] / $size[1]) * $size[0]);
        }


Is that possible at all ?

There is problem with afterFind method that leads to impossibility of accessing this behavior through association (using https://trac.cakephp.org/ticket/2056 or http://groups.google.com/group/cake-php/browse_thread/thread/5f3d90e3686f191b/c3bb61dfb902b8c9?lnk=gst&q=afterfind#c3bb61dfb902b8c9 patch that makes it possible).
This method should return $results instead of boolean.
Change method declaration from:
function afterFind(&$model, &$results, $primary)
to:
function afterFind(&$model, $results, $primary)
And the last statement in it from:
return true;
to:
return $results;

Perhaps in afterFind(), this code:


} else {
    foreach ($fields as $field => $fieldParams) {
        if (isset($results[$model->name][$field]) && ($results[$i][$model->name][$field]!='')) {
            $value=$results[$i][$model->name][$field];
            $results[$model->name][$field]=$this->__getParams(&$model, $field, $value, $fieldParams, $results[$model->name]);
        }
    }
}


should be changed to this:


} else {
    foreach ($fields as $field => $fieldParams) {
        if (isset($results[$model->name][$field]) && ($results[$model->name][$field]!='')) {
            $value=$results[$model->name][$field];
            $results[$model->name][$field]=$this->__getParams(&$model, $field, $value, $fieldParams, $results[$model->name]);
        }
    }
}


I need to delete a photo and I have modified beforeSave(), in the view I put a delete field ("delete_"+field name) like this:

echo $form->input('delete_fot1',array('type' => 'checkbox'));


and the beforeSave() could be like this:

    function beforeSave(&$model) {
        //$model->log($this->settings);
        extract($this->settings[$model->name]);
        if (empty($model->data[$model->name][$model->primaryKey])) {
            //$this->__addToListBottom(&$model);
        }
        
        $tempData = array();
        foreach ($fields as $key=>$value) {
            $field = ife(is_numeric($key), $value, $key);
            if (isset($model->data[$model->name][$field])) {
                if ($this->__isUploadFile($model->data[$model->name][$field])) {
                    $tempData[$field] = $model->data[$model->name][$field];
                    $model->data[$model->name][$field]=$this->__getContent($model->data[$model->name][$field]);
                } else {
                    //delete image 
                    if (isset($model->data[$model->name]["delete_".$field])) {
                        if($model->data[$model->name]["delete_".$field]==1){
                            
                            @unlink($this->__getFullFolder(&$model, $field).'/'.$field.'.png');
                            @unlink($this->__getFullFolder(&$model, $field).'/thumb_'.$field.'.png');
                            $model->data[$model->name][$field]="";
                            
                        }else{
                            unset($model->data[$model->name][$field]);
                        }
                    }else{
                        unset($model->data[$model->name][$field]);
                    }
                    
                }
            }
        }
         //debug($model->data);
         //debug($tempData);        
        $this->runtime[$model->name]['beforeSave'] = $tempData;         
        return true;
    } 


You wrote "thubnails" instead of thumbnails.
I can't find any other error: your behavior is great

great code but this will not work out of the box in

1.2.0.7125

perhaps add a little note at the top to see what version this was written for.