<?php
// $Id: virtual_site_variables.module,v 1.1 2008-02-18 21:09:59 fokke Exp $

/**
* Implementation of hook_feature_info().
*/
function virtual_site_variables_feature_info() {
  return array(
    'virtual_site_variables_feature' => array(
      'name' => t('Variables'),
      'description' => t('Override any Drupal variable for this virtual site.'),
    ),
	);
}

function virtual_site_variables_feature_form($context) {
	$form = array();
	
	if ($context['variables'] && file_exists($context['variables'])) {
		$context['variables'] = file_get_contents($context['variables']);
	}
	
	$form['variables'] = array(
		'#type' => 'textarea',
		'#title' => t('Variable(s) to override'),
		'#description' => t('Enter variables using a syntax similar to !INI files.', array('!INI' => l(t('INI'), 'http://en.wikipedia.org/wiki/INI_file', array('attributes' => array('target' => '_blank'))))),
		'#default_value' => $context['variables'],
	);
	
	return $form;
}

function virtual_site_variables_feature_submit($form, $form_state) {

	if ($form_state['values']['variables']) {
		
		if ($form['#item']) {
			$directory = file_directory_path().'/sites';
			file_check_directory($directory, FILE_CREATE_DIRECTORY);
			$file = file_save_data($form_state['values']['variables'], $directory.'/'.$form['#item']->sid.'.variables.info', FILE_EXISTS_REPLACE);
				
			if ($file) {
				return array('variables' => $file);
				
			} else {
				form_set_error('variables', t('Could not create file containing variables.'));
			}			
			
		} else {
			form_set_error('variables', t('You need to create the site first before overriding variables.'));
		}
	}
}

function virtual_site_variables_feature($context) {
	global $conf;

	if ($context['variables'] && file_exists($context['variables'])) {
		$context['variables'] = drupal_parse_info_file($context['variables']);
	
		foreach ($context['variables'] as $name => $value) {
			$conf[$name] = $value;
		}
	}
}

?>