<?php

/**
 * @file
 * A module which injects code into a page header and footer
 */

/**
 * Implementation of hook_help().
 */
function inject_help($path, $arg) {
  switch ($path) {
    case 'admin/help#inject':
      return '<p>'. t('The inject module inserts your code into the pages header and footer.') .'</p>';
    case 'admin/settings/inject':
      $t = '<p>'. t('The settings provided here allow you to specify the code you want to inject into the page footer and header.') .'<br>';
      $t .= '<b>'. t('Please be careful and aware that this injection can cause major problems to the site if not done correctly!') .'</b></p>';
      return $t;
  }
}


function inject_perm() {

return array( 'administer inject module');

} // function newmodule_perm


/**
 * With hook_settings() obsoleted in 5.0, we now need a menu handler
 * for settings.
 *
 * @param bool $may_cache
 * @return array
 */
function inject_menu() {
  $items = array();
  $items['admin/settings/inject'] = array(
    'title' => 'Inject',
    'description' => 'A module which injects code into the page header and footer.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('inject_admin_settings'),
    'access arguments' => array('administer inject module'),
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}


function inject_admin_settings() {

  $form['logging'] = array('#type' => 'fieldset', '#title' => t('Logging'));
  
  $form['logging']['inject_header_enabled'] = array(
    '#type' => 'select', '#title' => t('Header Enabled'),
    '#default_value' => variable_get('inject_header_enabled', 0),
    '#options' => array('1' => t('Yes'), '0' => t('No')),
    '#description' => t('Enables the injection of the code into the header. ')
  );
   $form['logging']['inject_header_code'] = array(
    '#type' => 'textfield', '#title' => t('Header Code'),
    '#default_value' => variable_get('inject_header_code', ''),
    '#size' => 100, '#maxlength' => 300,
    '#description' => t('The http code to inject into the sites header (e.g. &quot;&lt;meta name=&quot;medium&quot; content=&quot;video&quot; /&gt;&quot;)')
  );
 
   $form['logging']['inject_footer_enabled'] = array(
    '#type' => 'select', '#title' => t('Footer Enabled'),
    '#default_value' => variable_get('inject_footer_enabled', 0),
    '#options' => array('1' => t('Yes'), '0' => t('No')),
    '#description' => t('Enables the injection of the code into the footer. ')
  );
   
    $form['logging']['inject_footer_code'] = array(
    '#type' => 'textfield', '#title' => t('Footer Code'),
    '#default_value' => variable_get('inject_footer_code', ''),
    '#size' => 100, '#maxlength' => 300,
    '#description' => t('The http code to inject into the sites footer, e.g. a connection to statistics collection tool.')
  );
    
  return system_settings_form($form);
}


function inject_init() {
      if (variable_get('inject_header_enabled', '0')) 
      {
        $ret = variable_get('inject_header_code', '');
        drupal_set_html_head($ret);
      }
}


function inject_footer() { 
	$ret = '';
	if (variable_get('inject_footer_enabled', '0')) {
			
          $ret = variable_get('inject_footer_code', '');
		
          return $ret;
	}
}