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<?php
// $Id: path.admin.inc,v 1.7 2008/01/08 10:35:42 goba Exp $
/**
* @file
* Administrative page callbacks for the path module.
*/
/**
* Return a listing of all defined URL aliases.
* When filter key passed, perform a standard search on the given key,
* and return the list of matching URL aliases.
*/
function path_admin_overview($keys = NULL) {
// Add the filter form above the overview table.
$output = drupal_get_form('path_admin_filter_form', $keys);
// Enable language column if locale is enabled or if we have any alias with language
$count = db_result(db_query("SELECT COUNT(*) FROM {url_alias} WHERE language != ''"));
$multilanguage = (module_exists('locale') || $count);
if ($keys) {
// Replace wildcards with MySQL/PostgreSQL wildcards.
$keys = preg_replace('!\*+!', '%', $keys);
$sql = "SELECT * FROM {url_alias} WHERE dst LIKE '%%%s%%'";
}
else {
$sql = 'SELECT * FROM {url_alias}';
}
$header = array(
array('data' => t('Alias'), 'field' => 'dst', 'sort' => 'asc'),
array('data' => t('System'), 'field' => 'src'),
array('data' => t('Operations'), 'colspan' => '2')
);
if ($multilanguage) {
$header[3] = $header[2];
$header[2] = array('data' => t('Language'), 'field' => 'language');
}
$sql .= tablesort_sql($header);
$result = pager_query($sql, 50, 0 , NULL, $keys);
$rows = array();
$destination = drupal_get_destination();
while ($data = db_fetch_object($result)) {
$row = array(check_plain($data->dst), check_plain($data->src), l(t('edit'), "admin/build/path/edit/$data->pid", array('query' => $destination)), l(t('delete'), "admin/build/path/delete/$data->pid", array('query' => $destination)));
if ($multilanguage) {
$row[4] = $row[3];
$row[3] = $row[2];
$row[2] = module_invoke('locale', 'language_name', $data->language);
}
$rows[] = $row;
}
if (empty($rows)) {
$empty_message = $keys ? t('No URL aliases found.') : t('No URL aliases available.') ;
$rows[] = array(array('data' => $empty_message, 'colspan' => ($multilanguage ? 5 : 4)));
}
$output .= theme('table', $header, $rows);
$output .= theme('pager', NULL, 50, 0);
return $output;
}
/**
* Menu callback; handles pages for creating and editing URL aliases.
*/
function path_admin_edit($pid = 0) {
if ($pid) {
$alias = path_load($pid);
drupal_set_title(check_plain($alias['dst']));
$output = drupal_get_form('path_admin_form', $alias);
}
else {
$output = drupal_get_form('path_admin_form');
}
return $output;
}
/**
* Return a form for editing or creating an individual URL alias.
*
* @ingroup forms
* @see path_admin_form_validate()
* @see path_admin_form_submit()
*/
function path_admin_form(&$form_state, $edit = array('src' => '', 'dst' => '', 'language' => '', 'pid' => NULL)) {
$form['#alias'] = $edit;
$form['src'] = array(
'#type' => 'textfield',
'#title' => t('Existing system path'),
'#default_value' => $edit['src'],
'#maxlength' => 64,
'#size' => 45,
'#description' => t('Specify the existing path you wish to alias. For example: node/28, forum/1, taxonomy/term/1+2.'),
'#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q='),
'#required' => TRUE,
);
$form['dst'] = array(
'#type' => 'textfield',
'#title' => t('Path alias'),
'#default_value' => $edit['dst'],
'#maxlength' => 64,
'#size' => 45,
'#description' => t('Specify an alternative path by which this data can be accessed. For example, type "about" when writing an about page. Use a relative path and don\'t add a trailing slash or the URL alias won\'t work.'),
'#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q='),
'#required' => TRUE,
);
// This will be a hidden value unless locale module is enabled
$form['language'] = array(
'#type' => 'value',
'#value' => $edit['language']
);
if ($edit['pid']) {
$form['pid'] = array('#type' => 'hidden', '#value' => $edit['pid']);
$form['submit'] = array('#type' => 'submit', '#value' => t('Update alias'));
}
else {
$form['submit'] = array('#type' => 'submit', '#value' => t('Create new alias'));
}
return $form;
}
/**
* Verify that a new URL alias is valid
*/
function path_admin_form_validate($form, &$form_state) {
$src = $form_state['values']['src'];
$dst = $form_state['values']['dst'];
$pid = isset($form_state['values']['pid']) ? $form_state['values']['pid'] : 0;
// Language is only set if locale module is enabled, otherwise save for all languages.
$language = isset($form_state['values']['language']) ? $form_state['values']['language'] : '';
if (db_result(db_query("SELECT COUNT(dst) FROM {url_alias} WHERE pid != %d AND dst = '%s' AND language = '%s'", $pid, $dst, $language))) {
form_set_error('dst', t('The alias %alias is already in use in this language.', array('%alias' => $dst)));
}
$item = menu_get_item($src);
if (!$item || !$item['access']) {
form_set_error('src', t("The path '@link_path' is either invalid or you do not have access to it.", array('@link_path' => $src)));
}
}
/**
* Save a new URL alias to the database.
*/
function path_admin_form_submit($form, &$form_state) {
// Language is only set if locale module is enabled
path_set_alias($form_state['values']['src'], $form_state['values']['dst'], isset($form_state['values']['pid']) ? $form_state['values']['pid'] : 0, isset($form_state['values']['language']) ? $form_state['values']['language'] : '');
drupal_set_message(t('The alias has been saved.'));
$form_state['redirect'] = 'admin/build/path';
return;
}
/**
* Menu callback; confirms deleting an URL alias
*/
function path_admin_delete_confirm($form_state, $pid) {
$path = path_load($pid);
if (user_access('administer url aliases')) {
$form['pid'] = array('#type' => 'value', '#value' => $pid);
$output = confirm_form($form,
t('Are you sure you want to delete path alias %title?', array('%title' => $path['dst'])),
isset($_GET['destination']) ? $_GET['destination'] : 'admin/build/path');
}
return $output;
}
/**
* Execute URL alias deletion
*/
function path_admin_delete_confirm_submit($form, &$form_state) {
if ($form_state['values']['confirm']) {
path_admin_delete($form_state['values']['pid']);
$form_state['redirect'] = 'admin/build/path';
return;
}
}
/**
* Return a form to filter URL aliases.
*
* @ingroup forms
* @see path_admin_filter_form_submit()
*/
function path_admin_filter_form(&$form_state, $keys = '') {
$form['#attributes'] = array('class' => 'search-form');
$form['basic'] = array('#type' => 'fieldset',
'#title' => t('Filter aliases')
);
$form['basic']['inline'] = array('#prefix' => '<div class="container-inline">', '#suffix' => '</div>');
$form['basic']['inline']['filter'] = array(
'#type' => 'textfield',
'#title' => '',
'#default_value' => $keys,
'#maxlength' => 64,
'#size' => 25,
);
$form['basic']['inline']['submit'] = array(
'#type' => 'submit',
'#value' => t('Filter'),
'#submit' => array('path_admin_filter_form_submit_filter'),
);
if ($keys) {
$form['basic']['inline']['reset'] = array(
'#type' => 'submit',
'#value' => t('Reset'),
'#submit' => array('path_admin_filter_form_submit_reset'),
);
}
return $form;
}
/**
* Process filter form submission when the Filter button is pressed.
*/
function path_admin_filter_form_submit_filter($form, &$form_state) {
$form_state['redirect'] = 'admin/build/path/list/'. trim($form_state['values']['filter']);
}
/**
* Process filter form submission when the Reset button is pressed.
*/
function path_admin_filter_form_submit_reset($form, &$form_state) {
$form_state['redirect'] = 'admin/build/path/list';
}
/**
* Helper function for grabbing filter keys.
*/
function path_admin_filter_get_keys() {
// Extract keys as remainder of path
$path = explode('/', $_GET['q'], 5);
return count($path) == 5 ? $path[4] : '';
}
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