function onBeforeSaveField(&$field, &$post, &$file, &$item)
{
if (!in_array($field->field_type, self::$field_types)) {
return;
}
$use_ingroup = $field->parameters->get('use_ingroup', 0);
if (!is_array($post) && !strlen($post) && !$use_ingroup) {
return;
}
// Make sure posted data is an array
$post = !is_array($post) ? array($post) : $post;
//echo "<pre>"; print_r($post);
// Get configuration
$is_importcsv = JRequest::getVar('task') == 'importcsv';
$import_media_folder = JRequest::getVar('import_media_folder');
$image_source = $field->parameters->get('image_source', 0);
if ($image_source > 1) {
global $fc_folder_mode_err;
if (empty($fc_folder_mode_err[$field->id])) {
echo __FUNCTION__ . "(): folder-mode: " . $image_source . " not implemented please change image-source mode in image/gallery field with id: " . $field->id;
$fc_folder_mode_err[$field->id] = 1;
$image_source = 1;
}
}
$unique_tmp_itemid = JRequest::getVar('unique_tmp_itemid', '');
// Set a warning message for overriden/changed files: form.php (frontend) or default.php (backend)
if (!$is_importcsv && empty($unique_tmp_itemid)) {
$app = JFactory::getApplication();
$app->enqueueMessage('WARNING, field: ' . $field->label . ' requires variable -unique_tmp_itemid- please update your ' . ($app->isSite() ? 'form.php' : 'default.php'), 'warning');
}
// Execute once
static $initialized = null;
static $srcpath_original = '';
if (!$initialized) {
$initialized = 1;
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.path');
if ($is_importcsv) {
$srcpath_original = JPath::clean(JPATH_SITE . DS . $import_media_folder . DS);
}
}
// ***********************************************
// Special steps for image field in folder-mode(s)
// ***********************************************
if ($image_source > 0) {
$dir = $field->parameters->get('dir');
$unique_tmp_itemid = JRequest::getVar('unique_tmp_itemid', '');
$destpath = JPath::clean(JPATH_SITE . DS . $dir . DS . 'item_' . $item->id . '_field_' . $field->id . DS);
if ($image_source > 1) {
}
// TODO
// Create original images folder if doing CSV import and folder does not exist
if ($is_importcsv) {
$destpath_original = $destpath . 'original' . DS;
if (!JFolder::exists($destpath_original) && !JFolder::create($destpath_original)) {
JError::raiseWarning(100, $field->label . ': Error. Unable to create folder: ' . $destpath_original);
return false;
// Cancel item creation
}
} else {
if ($unique_tmp_itemid && $item->id != $unique_tmp_itemid) {
$temppath = JPath::clean(JPATH_SITE . DS . $dir . DS . 'item_' . $unique_tmp_itemid . '_field_' . $field->id . DS);
JFolder::move($temppath, $destpath);
}
}
}
// **************************************************************************
// Rearrange file array so that file properties are groupped per image number
// **************************************************************************
//echo "<pre>"; print_r($file); echo "</pre>";
$files = array();
if ($file) {
foreach ($file as $key => $all) {
foreach ($all as $i => $val) {
$files[$i][$key] = $val;
}
}
}
//echo "<pre>"; print_r($files); echo "</pre>";
// *****************************************************************************************
// Reformat the posted data & handle uploading / removing / deleting / replacing image files
// *****************************************************************************************
$new_filenames = array();
$newpost = array();
$new = 0;
foreach ($post as $n => $v) {
if (empty($v)) {
// skip empty value, but allow empty (null) placeholder value if in fieldgroup
if ($use_ingroup) {
$newpost[$new++] = null;
}
continue;
}
// support for basic CSV import / export
if ($is_importcsv && !is_array($v)) {
if (@unserialize($v) !== false || $v === 'b:0;') {
// support for exported serialized data)
$v = unserialize($v);
} else {
$v = array('originalname' => $v);
}
}
// Add system message if upload error
$err_code = isset($files[$n]['error']) ? $files[$n]['error'] : false;
if ($err_code && $err_code != UPLOAD_ERR_NO_FILE) {
$err_msg = array(UPLOAD_ERR_INI_SIZE => 'The uploaded file exceeds the upload_max_filesize directive in php.ini', UPLOAD_ERR_INI_SIZE => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form', UPLOAD_ERR_PARTIAL => 'The uploaded file was only partially uploaded', UPLOAD_ERR_NO_FILE => 'No file was uploaded', UPLOAD_ERR_NO_TMP_DIR => 'Missing a temporary folder', UPLOAD_ERR_CANT_WRITE => 'Failed to write file to disk', UPLOAD_ERR_EXTENSION => 'A PHP extension stopped the file upload');
JFactory::getApplication()->enqueueMessage("FILE FIELD: " . $err_msg[$err_code], 'warning');
continue;
}
// Handle uploading a new original file
$new_file = $err_code === 0;
$new_file_uploaded = null;
if ($new_file) {
$new_file_uploaded = $this->uploadOriginalFile($field, $v, $files[$n]);
} else {
if ($is_importcsv && $import_media_folder) {
$filename = basename($v['originalname']);
$sub_folder = dirname($v['originalname']);
$sub_folder = $sub_folder && $sub_folder != '.' ? DS . $sub_folder : '';
if ($image_source) {
$srcfilepath = JPath::clean($srcpath_original . $v['originalname']);
$destfilepath = JPath::clean($destpath_original . $filename);
if (JFile::exists($srcfilepath)) {
$result = JFile::copy($srcfilepath, $destfilepath);
if ($result && JPath::canChmod($destfilepath)) {
chmod($destfilepath, 0644);
}
}
$v['originalname'] = $filename;
// make sure filename is without subfolder
} else {
$fman = new FlexicontentControllerFilemanager();
JRequest::setVar('return-url', null, 'post');
JRequest::setVar('file-dir-path', DS . $import_media_folder . $sub_folder, 'post');
JRequest::setVar('file-filter-re', preg_quote($filename), 'post');
JRequest::setVar('secure', 1, 'post');
JRequest::setVar('keep', 1, 'post');
$file_ids = $fman->addlocal();
reset($file_ids);
// Reset array to point to first element
$v['originalname'] = key($file_ids);
// The (first) key of file_ids array is the cleaned up filename
}
}
}
// Defaut values for unset required properties of values
$v['originalname'] = isset($v['originalname']) ? $v['originalname'] : '';
$v['existingname'] = isset($v['existingname']) ? $v['existingname'] : '';
$v['remove'] = isset($v['remove']) ? $v['remove'] : false;
if ($v['originalname'] || $v['existingname']) {
//echo $v['originalname'] ." ". $v['existingname'] ."<br>";
// (c) Handle replacing image with a new existing image
if ($v['existingname']) {
$v['originalname'] = $v['existingname'];
$v['existingname'] = '';
} else {
if ($v['remove']) {
// Deleting or unloading current value: Skip current image row, but allow empty (null) placeholder value if in fieldgroup
$v = $use_ingroup ? null : false;
//$use_ingroup ? array('originalname'=>'') : null;
}
}
} else {
// No new file posted and no existing selected: Skip current image row, but allow empty (null) placeholder value if in fieldgroup
$v = $use_ingroup ? null : false;
//$use_ingroup ? array('originalname'=>'') : null;
}
// Add image entry to a new array skipping empty image entries
if ($v !== false) {
if ($v) {
$new_filenames[$v['originalname']] = 1;
}
$newpost[$new] = $v;
$new++;
}
}
$post = $newpost;
// Remove no longer used files, if limiting existing image list to current field, or if existing image list is hidden/disabled
if ($image_source && ($field->parameters->get('auto_delete_unused', 1) || !$field->parameters->get('list_all_media_files', 0) || !$field->parameters->get('existing_imgs', 1))) {
// Get existing field values,
if (!isset($item->fieldvalues)) {
$_fieldvalues = FlexicontentFields::getFieldValsById(null, array($item->id));
$item->fieldvalues = isset($_fieldvalues[$item->id]) ? $_fieldvalues[$item->id] : array();
}
$db_values = !empty($item->fieldvalues[$field->id]) ? $item->fieldvalues[$field->id] : array();
//echo "<pre>"; print_r($new_filenames); print_r($db_values);
// Remove unused files
foreach ($db_values as $i => $v) {
$fdata = unserialize($v);
$filename = isset($fdata['originalname']) ? $fdata['originalname'] : '';
//echo $filename."\n";
if ($filename && !isset($new_filenames[$filename])) {
$canDeleteImage = $this->canDeleteImage($field, $filename, $item);
// check if value is in use
if ($canDeleteImage) {
$this->removeOriginalFile($field, $filename);
//JFactory::getApplication()->enqueueMessage($field->label . ' ['.$n.'] : ' . 'Deleted image file: '.$filename.' from server storage');
}
}
}
}
// Serialize multi-property data before storing them into the DB,
// null indicates to increment valueorder without adding a value
foreach ($post as $i => $v) {
if ($v !== null) {
$post[$i] = serialize($v);
}
}
}
