function imagepicker_user_config_admin_form_validate in Image Picker 7

Same name and namespace in other branches

1. 6.2 imagepicker.user.inc \imagepicker_user_config_admin_form_validate()

File

./imagepicker.user.inc, line 392

@author Bob Hutchinson http://drupal.org/user/52366 @copyright GNU GPL

Code

function imagepicker_user_config_admin_form_validate($form, &$form_state) {
  if (isset($form_state['values']['uid'])) {
    $user = user_load($form_state['values']['uid']);
  }
  else {
    global $user;
  }
  if (!drupal_strlen($form_state['values']['imagepicker_default_thumbnail_size'])) {
    form_set_error('imagepicker_defaults][imagepicker_default_thumbnail_size', t('You must fill in the Thumbnail field'));
  }
  if (!is_numeric($form_state['values']['imagepicker_default_thumbnail_size'])) {
    form_set_error('imagepicker_defaults][imagepicker_default_thumbnail_size', t('The Thumbnail field must be a number'));
  }
  if (drupal_strlen($form_state['values']['imagepicker_default_scale']) && (!is_numeric($form_state['values']['imagepicker_default_scale']) || $form_state['values']['imagepicker_default_scale'] < 1)) {
    form_set_error('imagepicker_defaults][imagepicker_default_scale', t('The Scale field must be a number'));
  }
  if (imagepicker_variable_get('imagepicker_default_align_show', 1)) {
    if (!drupal_strlen($form_state['values']['imagepicker_default_fleft'])) {
      form_set_error('imagepicker_align][imagepicker_default_fleft', t('You must fill in the Left alignment field'));
    }
    if (!drupal_strlen($form_state['values']['imagepicker_default_fright'])) {
      form_set_error('imagepicker_align][imagepicker_default_fright', t('You must fill in the Right alignment field'));
    }
  }
  if (!is_numeric($form_state['values']['imagepicker_default_browser_thumbnail_size'])) {
    form_set_error('imagepicker_browser][imagepicker_default_browser_thumbnail_size', t('The Browser Thumbnail field must be a number'));
  }
  if (!is_numeric($form_state['values']['imagepicker_advanced_browser_columns']) || $form_state['values']['imagepicker_advanced_browser_columns'] < 0) {
    form_set_error('imagepicker_browser][imagepicker_advanced_browser_columns', t('The browser columns must be a positive number or zero'));
  }
  if (!is_numeric($form_state['values']['imagepicker_advanced_browser_page']) || $form_state['values']['imagepicker_advanced_browser_page'] < 0) {
    form_set_error('imagepicker_browser][imagepicker_advanced_browser_page', t('The browser page must be a positive number or zero'));
  }
  if (!is_numeric($form_state['values']['imagepicker_rows_per_page']) || $form_state['values']['imagepicker_rows_per_page'] < 1) {
    form_set_error('imagepicker_defaults][imagepicker_rows_per_page', t('Rows per page must be a positive number'));
  }
  if (!is_numeric($form_state['values']['imagepicker_advanced_iframe_height'])) {
    form_set_error('imagepicker_iframe][imagepicker_advanced_iframe_height', t('The Iframe height must be a number'));
  }
  if (!drupal_strlen($form_state['values']['imagepicker_advanced_iframe_width'])) {
    form_set_error('imagepicker_iframe][imagepicker_advanced_iframe_width', t('You must fill in the Iframe width'));
  }
  if (!drupal_strlen($form_state['values']['imagepicker_advanced_iframe_border'])) {
    form_set_error('imagepicker_iframe][imagepicker_advanced_iframe_border', t('You must fill in the Iframe border'));
  }
  if (module_exists('lightbox2') && imagepicker_variable_get('imagepicker_lightbox2_enable', 1)) {
    if (!drupal_strlen($form_state['values']['imagepicker_lightbox2_insert'])) {
      form_set_error('imagepicker_lightbox2][imagepicker_lightbox2_insert', t('You must fill in the Lightbox2 insert'));
    }
  }
  if (isset($form_state['values']['imagepicker_watermark_image']) && $form_state['values']['imagepicker_watermark_image']) {
    $wdir = imagepicker_get_watermarks_dir($user);
    $file = $wdir . DIRECTORY_SEPARATOR . $form_state['values']['imagepicker_watermark_image'];
    if (!file_exists($file)) {
      form_set_error('imagepicker_watermark][imagepicker_watermark_image', t('This file does not exist or has invalid path: %file.', array(
        '%file' => $file,
      )));
    }
    if ($form_state['values']['imagepicker_watermark_scaling']) {
      if (!is_numeric($form_state['values']['imagepicker_watermark_scaling_percentage']) || $form_state['values']['imagepicker_watermark_scaling_percentage'] <= 0 || $form_state['values']['imagepicker_watermark_scaling_percentage'] >= 100) {
        form_set_error('imagepicker_watermark][imagepicker_watermark_scaling_percentage', t('Please enter a number between 1 and 100 for scaling percentage.'));
      }
      elseif ($form_state['values']['imagepicker_watermark_scaling_percentage'] < 10 || $form_state['values']['imagepicker_watermark_min_width'] < 50 && $form_state['values']['imagepicker_watermark_min_width'] > 0) {

        // we do not disable scaling for low values, e.g. if the user chooses to scale down to 1%, we just warn
        drupal_set_message(t('Warning: Scaling is set to @percentage%, minimum width is only @min_width px. This may result in very small or almost invisible watermarks. It is recommended to check twice that an adequate minimum width has been set.', array(
          '@percentage' => $form_state['values']['imagepicker_watermark_scaling_percentage'],
          '@min_width' => $form_state['values']['imagepicker_watermark_min_width'],
        )));
      }
      if (intval($form_state['values']['imagepicker_watermark_min_width']) < 0) {
        form_set_error('imagepicker_watermark][imagepicker_watermark_min_width', t('Please enter a positive number for minimum width.'));
      }
    }
    if (!is_numeric($form_state['values']['imagepicker_watermark_perc']) || $form_state['values']['imagepicker_watermark_perc'] < 0 || $form_state['values']['imagepicker_watermark_perc'] > 100) {
      form_set_error('imagepicker_watermark][imagepicker_watermark_perc', t("JPEG quality value should be an integer between 0 and 100."));
    }
  }
  if (!empty($_FILES['files']['name']['file_upload'])) {
    module_load_include('inc', 'imagepicker', 'imagepicker.upload');
    if (!isset($_FILES['files']['tmp_name']['file_upload']) || !file_exists($_FILES['files']['tmp_name']['file_upload'])) {
      form_set_error('file_upload', t('Error while uploading file.'));
    }
    elseif (!image_get_info($_FILES['files']['tmp_name']['file_upload'])) {
      form_set_error('file_upload', t('Uploaded file is not an image.'));
    }
    elseif (!imagepicker_get_uploaded_file_extension('file_upload')) {
      form_set_error('file_upload', t('Only .jpg, .gif and .png image files are accepted.'));
    }
  }
}