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<?php
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// $Id: path_image.module,v 1.11 2009/02/01 01:18:01 sun Exp $
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/**
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* @file
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* Path image module; provides an image block depending on the path.
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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 path_image_perm() {
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return array('Path image admin');
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}
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/**
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* Implementation of hook_theme().
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*/
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function path_image_theme() {
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return array(
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'path_image_block_0' => array(
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'arguments' => array('params' => NULL),
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),
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'path_image_form_wrapper' => array(
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'arguments' => array('arg' => NULL, 'params' => array()),
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),
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);
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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 path_image_menu() {
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$items['admin/settings/path_image'] = array(
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'title' => 'Path image',
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'access arguments' => array('Path image admin'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('path_image_settings_form'),
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'description' => 'Provides an block containing an image dependent upon the URL path',
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);
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return $items;
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}
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/**
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* Implementation of hook_form_FORM_ID_alter().
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*/
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function path_image_form_block_admin_configure_alter(&$form, $form_state, $form_id) {
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if (isset($form['module']['#value']) && 'path_image' == $form['module']['#value']) {
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$form['path_image'] = array(
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'#type' => 'fieldset',
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'#title' => t('Block content set-up'),
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'#collapsible' => TRUE,
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'#weight' => -100,
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);
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$form['path_image']['markup_help'] = array(
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'#type' => 'markup',
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'#value' => t('This section allows you to control the visibility of the block. To administer the content please visit the <a href="@path-image-settings-url">administration section</a>.', array('@path-image-settings-url' => url('admin/settings/path_image'))),
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);
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}
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}
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/**
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* Implementation of hook_block().
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*/
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function path_image_block($op = 'list', $delta = 0, $edit = array()) {
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switch ($op) {
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case 'list':
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$blocks[0] = array(
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'info' => t('Path image'),
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'weight' => -10,
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'region' => 'left',
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);
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return $blocks;
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case 'view':
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return _path_image_block_main($delta);
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}
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}
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function _path_image_block_main() {
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global $base_url;
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$is_forbidden = (strpos(drupal_set_header(), '403 Forbidden') !== FALSE);
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$is_front = ($_GET['q'] == variable_get('site_frontpage', 'node'));
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if (!$is_forbidden || !$is_front) {
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$parts = array();
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foreach (explode('/', $_GET['q']) as $arg) {
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if (is_numeric($arg) && variable_get('path_image_numeric_use', 1)) {
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break;
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}
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else {
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$parts[] = $arg;
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}
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}
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$alias = drupal_get_path_alias($_GET['q']);
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if ($alias != $_GET['q']) {
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$alias_parts = array();
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foreach (explode('/', $alias) as $arg) {
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if (is_numeric($arg) && variable_get('path_image_numeric_use', 1)) {
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break;
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}
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else {
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$alias_parts[] = $arg;
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}
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}
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}
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}
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if (!empty($parts)) {
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// Build query conditions by climbing up the path arguments.
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$query_args = array();
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$path_prefix = '';
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$path_wildcard_prefix = '';
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foreach ($parts as $arg) {
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$path_prefix .= (empty($path_prefix) ? $arg : '/' . $arg);
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$query_args[] = $path_prefix;
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if (is_numeric($arg)) {
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$arg = '%';
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}
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$path_wildcard_prefix .= (empty($path_wildcard_prefix) ? $arg : '/' . $arg);
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if ($path_prefix != $path_wildcard_prefix) {
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$query_args[] = $path_wildcard_prefix;
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}
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}
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if (!empty($alias_parts)) {
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$alias_prefix = '';
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$alias_wildcard_prefix = '';
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foreach ($alias_parts as $arg) {
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$alias_prefix .= (empty($alias_prefix) ? $arg : '/' . $arg);
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$query_args[] = $alias_prefix;
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if (is_numeric($arg)) {
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$arg = '%';
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}
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$alias_wildcard_prefix .= (empty($alias_wildcard_prefix) ? $arg : '/' . $arg);
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if ($alias_prefix != $alias_wildcard_prefix) {
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$query_args[] = $alias_wildcard_prefix;
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}
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}
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}
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$sql = "SELECT image_file FROM {path_image_data} WHERE path IN (" . db_placeholders($query_args, 'varchar') . ") ORDER BY LENGTH(path) DESC";
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$file = db_result(db_query($sql, $query_args, 0, 1));
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}
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// If no matching path was found, determine whether we need to display the
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// front page image or default image.
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if (empty($file)) {
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if ($is_front && variable_get('path_image_homepage_use', 0)) {
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$file = variable_get('path_image_homepage_image', FALSE);
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}
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elseif (variable_get('path_image_default_use', 0)) {
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$file = variable_get('path_image_default_image', FALSE);
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}
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// Return an empty block if we have no image file to display.
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else {
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return array();
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}
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}
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$filepath = file_directory_path() . '/' . variable_get('path_image_repository', 'images') . '/' . $file;
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if (!file_exists($filepath)) {
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return array();
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}
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$params = array(
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'filepath' => $filepath,
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'full_uri' => file_create_url($filepath),
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);
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return array(
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'subject' => variable_get('path_image_block_subject', t('Path image')),
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'content' => theme('path_image_block_0', $params),
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);
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}
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/**
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* Render Path image block content.
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*
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* @param $params
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* An array containing image file parameters.
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*/
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function theme_path_image_block_0($params) {
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return theme('image', $params['filepath'], '', '');
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}
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/**
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* Form builder function for Path image settings.
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*/
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function path_image_settings_form() {
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$form = array();
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$files = _path_image_get_image_files();
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$form['path_image']['block_subject'] = array(
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'#type' => 'textfield',
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'#title' => t('Block title'),
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'#default_value' => variable_get('path_image_block_subject', t('Path image')),
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'#size' => 40,
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'#description' => t('The title of the block. Leave blank to display no title.'),
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);
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$form['path_image']['repos'] = array(
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'#type' => 'textfield',
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'#title' => t('Image repository'),
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'#default_value' => variable_get('path_image_repository', 'images'),
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'#size' => 40,
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'#description' => t('Set this to the location of your image files stored on the server. This folder is relative to your <b>file system path</b> folder. <em>Note, no leading / (slash)</em>'),
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);
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$form['path_image']['file_types'] = array(
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'#type' => 'textfield',
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'#title' => t('Allowable file types in repository'),
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'#default_value' => implode(', ', variable_get('path_image_file_types', array('gif', 'jpg', 'png'))),
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'#size' => 40,
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'#description' => t('Comma seperated list of allowable file types to look for within the specified image file repository'),
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);
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$form['path_image']['numeric_use'] = array(
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'#type' => 'checkbox',
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'#title' => t('Numeric parse halt'),
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'#default_value' => variable_get('path_image_numeric_use', 1),
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'#description' => t('When scanning a path this halts the scan at the first numeric found. If you want to scan the entire path then ensure this is off (default is on)'),
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);
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$form['path_image']['homepage_image'] = array(
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'#type' => 'select',
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'#title' => t('Default image for the homepage'),
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'#default_value' => variable_get('path_image_homepage_image', reset($files)),
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'#options' => $files,
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'#prefix' => theme('path_image_form_wrapper', 'cell_first_prefix', array('cell' => array('valign' => 'top'))),
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);
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$form['path_image']['homepage_use'] = array(
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'#type' => 'checkbox',
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'#title' => t('Use this image on the homepage'),
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'#default_value' => variable_get('path_image_homepage_use', 0),
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'#suffix' => theme('path_image_form_wrapper', 'cell_middle_suffix'),
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);
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$form['path_image']['mid_markup'] = array(
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'#type' => 'markup',
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// Add white-space between table cells.
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'#value' => ' ',
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'#prefix' => theme('path_image_form_wrapper', 'cell_middle_prefix', array('cell' => array('valign' => 'top'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_middle_suffix'),
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);
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$form['path_image']['default_image'] = array(
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'#type' => 'select',
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'#title' => t('Default image when no match made'),
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'#default_value' => variable_get('path_image_default_image', reset($files)),
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'#options' => $files,
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'#prefix' => theme('path_image_form_wrapper', 'cell_middle_prefix', array('cell' => array('valign' => 'top'))),
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);
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$form['path_image']['default_use'] = array(
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'#type' => 'checkbox',
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'#title' => t('Use this image when no match is made'),
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'#default_value' => variable_get('path_image_default_use', 0),
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'#suffix' => theme('path_image_form_wrapper', 'cell_last_suffix'),
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);
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$form['path_image']['new_entry'] = array(
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'#type' => 'fieldset',
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'#title' => t('New path entry'),
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'#tree' => TRUE,
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);
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$form['path_image']['new_entry']['new_path'] = array(
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'#type' => 'textfield',
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'#title' => t('Add a new path'),
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'#default_value' => '',
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'#size' => 50,
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'#description' => t('Enter a new path. <em>Note, no leading / (slash)</em>'),
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'#prefix' => theme('path_image_form_wrapper', 'cell_first_prefix', array('table' => array('border' => '0'), 'cell' => array('valign' => 'top'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_first_suffix'),
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'#disabled' => count($files) ? FALSE : TRUE,
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);
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if (count($files)) {
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$form['path_image']['new_entry']['new_image'] = array(
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'#type' => 'select',
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'#title' => t('Select an image'),
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'#default_value' => '',
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'#options' => $files,
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'#prefix' => theme('path_image_form_wrapper', 'cell_last_prefix', array('cell' => array('valign' => 'top'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_last_suffix'),
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);
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}
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else {
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$form['path_image']['new_entry']['new_image_markup'] = array(
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'#type' => 'markup',
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'#value' => t('No files available for selection'),
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'#prefix' => theme('path_image_form_wrapper', 'cell_last_prefix', array('cell' => array('valign' => 'top'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_last_suffix'),
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);
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}
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$result = db_query("SELECT * FROM {path_image_data} ORDER BY path ASC");
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$row_counter = 0;
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while ($row = db_fetch_object($result)) {
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if (count($files)) {
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$form['path_image']['existing_entries'][$row_counter]['pid'] = array(
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'#type' => 'hidden',
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'#default_value' => $row->pid,
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);
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$form['path_image']['existing_entries'][$row_counter]['path'] = array(
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'#type' => 'textfield',
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'#title' => t('Alter a path'),
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'#default_value' => $row->path,
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'#size' => 50,
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'#description' => t('Amend the path. <em>Note, no leading / (slash)</em>'),
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'#prefix' => theme('path_image_form_wrapper', 'cell_first_prefix', array('cell' => array('valign' => 'top'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_first_suffix'),
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);
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$form['path_image']['existing_entries'][$row_counter]['image_file'] = array(
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'#type' => 'select',
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'#title' => t('Select an image'),
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'#default_value' => $row->image_file,
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'#options' => $files,
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'#prefix' => theme('path_image_form_wrapper', 'cell_middle_prefix', array('cell' => array('valign' => 'top'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_middle_suffix'),
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);
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$form['path_image']['existing_entries'][$row_counter]['delete'] = array(
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'#type' => 'checkbox',
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'#title' => t('Delete'),
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'#prefix' => theme('path_image_form_wrapper', 'cell_last_prefix', array('cell' => array('valign' => 'middle'))),
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'#suffix' => theme('path_image_form_wrapper', 'cell_last_suffix'),
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);
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}
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else {
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$form['path_image']['existing_entries'][$row_counter]['path_markup'] = array(
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'#type' => 'markup',
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'#value' => check_plain($row->path),
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'#suffix' => ' -- ',
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);
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$form['path_image']['existing_entries'][$row_counter]['image_file_markup'] = array(
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'#type' => 'markup',
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'#value' => t('No files available for selection'),
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'#suffix' => theme('path_image_form_wrapper', 'new_line'),
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);
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}
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$row_counter++;
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}
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if ($row_counter) {
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$form['path_image']['existing_entries']['#type'] = 'fieldset';
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$form['path_image']['existing_entries']['#title'] = format_plural($row_counter, '1 existing path entry', '@count existing path entries');
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$form['path_image']['existing_entries']['#tree'] = TRUE;
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}
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$form['path_image']['submit'] = array('#type' => 'submit', '#value' => t('Save'));
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return $form;
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}
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/**
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* Form validation function for Path image settings form.
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| 350 |
*/
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function path_image_settings_form_validate($form, &$form_state) {
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if ($form_state['values']['default_image'] == 'no image selected') {
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form_set_error('default_image', t('You must set this even if you do not intend to use it'));
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}
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}
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/**
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| 358 |
* Form submit function for Path image settings form.
|
| 359 |
*/
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function path_image_settings_form_submit($form, &$form_state) {
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variable_set('path_image_block_subject', $form_state['values']['block_subject']);
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variable_set('path_image_repository', $form_state['values']['repos']);
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variable_set('path_image_default_image', $form_state['values']['default_image']);
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variable_set('path_image_default_use', $form_state['values']['default_use']);
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variable_set('path_image_homepage_image', $form_state['values']['homepage_image']);
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variable_set('path_image_homepage_use', $form_state['values']['homepage_use']);
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variable_set('path_image_numeric_use', $form_state['values']['numeric_use']);
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$file_types = explode(',', $form_state['values']['file_types']);
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if (is_array($file_types)) {
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foreach ($file_types as $k => $v) {
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$file_types[$k] = trim($v);
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}
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variable_set('path_image_file_types', $file_types);
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}
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if (strlen($form_state['values']['new_entry']['new_path']) && strlen($form_state['values']['new_entry']['new_image'])) {
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db_query("INSERT INTO {path_image_data} SET path = '%s', image_file = '%s'", $form_state['values']['new_entry']['new_path'], $form_state['values']['new_entry']['new_image']);
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}
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if (isset($form_state['values']['existing_entries']) && is_array($form_state['values']['existing_entries'])) {
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foreach ($form_state['values']['existing_entries'] as $entry) {
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if (isset($entry['delete']) && (int)$entry['delete']) {
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db_query("DELETE FROM {path_image_data} WHERE pid = %d", $entry['pid']);
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}
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else {
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if (isset($entry['pid']) && is_numeric($entry['pid']) && strlen($entry['image_file'])) {
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db_query("UPDATE {path_image_data} SET path = '%s', image_file = '%s' WHERE pid = %d", $entry['path'], $entry['image_file'], $entry['pid']);
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}
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}
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}
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}
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drupal_set_message(t('Your settings have been saved'));
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}
|
| 396 |
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| 397 |
/**
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| 398 |
* Theme function for form element wrappers.
|
| 399 |
*/
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| 400 |
function theme_path_image_form_wrapper($arg, $params = array()) {
|
| 401 |
$table_attribs = '';
|
| 402 |
if (isset($params['table']) && is_array($params['table'])) {
|
| 403 |
foreach ($params['table'] as $key => $attrib) {
|
| 404 |
$table_attribs .= $key . '="' . $attrib . '" ';
|
| 405 |
}
|
| 406 |
}
|
| 407 |
|
| 408 |
$row_attribs = '';
|
| 409 |
if (isset($params['row']) && is_array($params['row'])) {
|
| 410 |
foreach ($params['row'] as $key => $attrib) {
|
| 411 |
$row_attribs .= $key . '="' . $attrib . '" ';
|
| 412 |
}
|
| 413 |
}
|
| 414 |
|
| 415 |
$cell_attribs = '';
|
| 416 |
if (isset($params['cell']) && is_array($params['cell'])) {
|
| 417 |
foreach ($params['cell'] as $key => $attrib) {
|
| 418 |
$cell_attribs .= $key . '="' . $attrib . '" ';
|
| 419 |
}
|
| 420 |
}
|
| 421 |
|
| 422 |
switch ($arg) {
|
| 423 |
case 'cell_first_prefix':
|
| 424 |
return "<table $table_attribs ><tr $row_attribs ><td $cell_attribs >";
|
| 425 |
|
| 426 |
case 'cell_first_suffix':
|
| 427 |
return "</td>";
|
| 428 |
|
| 429 |
case 'cell_middle_prefix':
|
| 430 |
return "<td $cell_attribs> </td><td $cell_attribs >";
|
| 431 |
|
| 432 |
case 'cell_middle_suffix':
|
| 433 |
return "</td>";
|
| 434 |
|
| 435 |
case 'cell_last_prefix':
|
| 436 |
return "<td $cell_attribs > </td><td $cell_attribs >";
|
| 437 |
|
| 438 |
case 'cell_last_suffix':
|
| 439 |
return "</td></tr></table>";
|
| 440 |
|
| 441 |
case 'new_line':
|
| 442 |
return "<br $class />";
|
| 443 |
|
| 444 |
case 'new_para':
|
| 445 |
return "<p $class />";
|
| 446 |
}
|
| 447 |
}
|
| 448 |
|
| 449 |
/**
|
| 450 |
* Retrieve a list of available image files.
|
| 451 |
*
|
| 452 |
* @return
|
| 453 |
* An array suitable to use as Form API '#options' value.
|
| 454 |
*/
|
| 455 |
function _path_image_get_image_files() {
|
| 456 |
static $files;
|
| 457 |
|
| 458 |
if (isset($files)) {
|
| 459 |
return $files;
|
| 460 |
}
|
| 461 |
|
| 462 |
$files = array();
|
| 463 |
$file_types = variable_get('path_image_file_types', array('gif', 'jpg', 'png'));
|
| 464 |
$dir = file_create_path(variable_get('path_image_repository', 'images'));
|
| 465 |
|
| 466 |
if (is_dir($dir)) {
|
| 467 |
if ($dh = opendir($dir)) {
|
| 468 |
while (($file = readdir($dh)) !== FALSE) {
|
| 469 |
$file_info = pathinfo($file);
|
| 470 |
if (in_array($file_info['extension'], $file_types)) {
|
| 471 |
$files[$file] = $file;
|
| 472 |
}
|
| 473 |
}
|
| 474 |
closedir($dh);
|
| 475 |
}
|
| 476 |
}
|
| 477 |
// Sort alphabetically.
|
| 478 |
ksort($files);
|
| 479 |
|
| 480 |
return $files;
|
| 481 |
}
|
| 482 |
|
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