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<?php
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/**
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* This module gives you control over the page lang. It gives you the chance
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* to provide templates for how the lang tag should be structured, and on node
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* pages, gives you the chance to specify the page lang rather than defaulting
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* to the node lang.
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*/
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define(MODULE_DESCRIPTIONS, 'This is a SEO module. Enhanced control over the tag page lang (in the <head> tag).');
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function page_lang_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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$output = t(MODULE_DESCRIPTIONS);
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break;
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case 'admin/help#page_lang':
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$output = t('<p>Adds an extra form element to node creation forms that allows you to specify the page lang.</p>
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<p>Allows for better global configuration of the page lang.</p>');
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break;
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case 'admin/settings/page_lang':
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$output = t("<p>The default page lang is en. This code is a variable form xhtml tag. Spesific this variable for indicate a cantry to de search ingenie. There are more countrys in the world:</p>
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<p>es-ar cs en-uk en en-ca eu fr gl hu ja nl sk ca de de-de de-at de-ch es fi ga he it km ru sv...</p>
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<p>Write in the box for the page the spesific code for the country.</p>");
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break;
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}
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return $output;
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}
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/**
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* Implementation of hook_perm().
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*/
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function page_lang_perm() {
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return array('set page lang');
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}
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/**
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* Implementation of hook_menu().
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*/
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function page_lang_menu($may_cache) {
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if ($may_cache) {
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$items[] = array(
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'path' => 'admin/settings/page_lang',
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'title' => t('Page lang'),
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'description' => t(MODULE_DESCRIPTIONS),
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'callback' => 'drupal_get_form',
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'callback arguments' => 'page_lang_admin_settings',
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'access' => user_access('administer site configuration'),
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'type' => MENU_NORMAL_ITEM,
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);
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}
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return $items;
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}
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function page_lang_admin_settings() {
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$form['page_lang'] = array(
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'#type' => 'fieldset',
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'#title' => t('Page lang templates'),
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);
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$form['page_lang']['page_lang_individual'] = array(
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'#type' => 'textfield',
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'#title' => t('Pattern for individual pages'),
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'#default_value' => variable_get('page_lang_individual', 'en'),
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'#maxlength' => 5,
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'#description' => t('Change in here the value for default: <code>en</code>.'),
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);
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return system_settings_form($form);
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}
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function page_lang_form_alter($form_id, &$form) {
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if ($form['#id'] == 'node-form' && user_access('set page lang')) {
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$form['page_lang'] = array(
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'#type' => 'textfield',
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'#title' => t('Page language'),
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'#default_value' => $form['#node']->page_lang,
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'#size' => 5,
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'#maxlength' => 5,
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'#weight' => -4,
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);
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}
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}
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function page_lang_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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switch ($op) {
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case 'update':
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db_query("DELETE FROM {page_lang} WHERE nid = %d", $node->nid);
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// fallthrough to insert intentional!
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case 'insert':
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if (strlen(trim($node->page_lang)) > 0) {
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db_query("INSERT INTO {page_lang} VALUES (%d, '%s')", $node->nid, $node->page_lang);
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}
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break;
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case 'delete':
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db_query('DELETE FROM {page_lang} WHERE nid = %d', $node->nid);
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break;
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case 'load':
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$object = new stdClass();
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$object->page_lang = page_lang_node_get_lang($node->nid);
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return array('page_lang' => $object->page_lang);
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case 'view':
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if ($page) {
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page_lang_set_lang($node->page_lang);
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}
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break;
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}
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}
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/**
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* Set the page lang of the current page, for display on the page and in the lang bar.
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*/
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function page_lang_set_lang($lang = NULL) {
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static $stored_lang;
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if (isset($lang)) {
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$stored_lang = $lang;
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}
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return $stored_lang;
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}
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// Public API (every module's gotta have one =)
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/**
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* Gets the page lang for a node id
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*
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* @param the node's id
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* @return the node's page lang.
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*/
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function page_lang_node_get_lang($nid) {
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$row = db_fetch_object(db_query('SELECT page_lang FROM {page_lang} WHERE nid = %d', $nid));
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return $row->page_lang;
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}
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/**
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* Does the logic to see what lang should be send to the page template. Call this function from
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* the page hook of function _phptemplate_variables in template.php.
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*/
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function page_lang_page_get_lang() {
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$page_lang_individual = variable_get('page_lang_individual', '!page_lang');
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// this is the custom page lang. For node pages it is $node->page_lang.
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$page_lang = (page_lang_set_lang()) ? page_lang_set_lang() : $drupal_lang;
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$page_lang = strip_tags($page_lang);
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if ($page_lang){
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$lang = $page_lang;
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}
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else {
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$lang = $page_lang_individual;
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}
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return $lang;
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}
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