function quant_admin_settings_validate in Quant 6

Same name and namespace in other branches

1. 7 quant.admin.inc \quant_admin_settings_validate()

File

includes/forms.inc, line 239

Form-building functions

Code

function quant_admin_settings_validate(&$form, &$form_state) {

  // Check width
  if (!is_numeric($form_state['values']['quant_width']) || strlen($form_state['values']['quant_width']) > 4 || strlen($form_state['values']['quant_width']) < 2) {
    form_set_error('quant_width', t('The width must be a number that is between 2 and 4 digits'));
  }

  // Check height
  if (!is_numeric($form_state['values']['quant_height']) || strlen($form_state['values']['quant_height']) > 4 || strlen($form_state['values']['quant_height']) < 2) {
    form_set_error('quant_height', t('The height must be a number that is between 2 and 4 digits'));
  }

  // Iterate through colors
  $colors = array();

  // Store all colors in a single array
  for ($i = 0; $i < QUANT_PALETTE_AMOUNT; $i++) {
    $color = $form_state['values']['quant_palette_color_' . $i];

    // If color exists, make sure it's valid
    if ($color) {
      $colors[] = strtoupper($color);

      // Remove form value to avoid multiple color variables
      unset($form_state['values']['quant_palette_color_' . $i]);
    }
  }

  // Make sure we at least have one color
  if (empty($colors)) {
    form_set_error('color', t('You need to enter at least one color.'));
  }
  else {

    // Save colors in a single variable
    variable_set('quant_palette', $colors);
  }
}