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<?php
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function ajax_help($section = '') {
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$output = '';
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switch ($section) {
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case 'admin/modules/ajax':
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case 'admin/modules#description':
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$output = t('Introduces Ajax features to Drupal 4.6.');
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break;
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}
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return $output;
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}
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/**
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* Add a JavaScript file to the output.
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*
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* The first time this function is invoked per page request,
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* it adds "misc/drupal.js" to the output. Other scripts
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* depends on the 'killswitch' inside it.
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*/
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if (!function_exists('drupal_add_js')) {
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function drupal_add_js($file) {
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static $sent = array();
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$module_path = drupal_get_path('module', 'ajax');
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if (!isset($sent[$module_path.'/drupal.js'])) {
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drupal_set_html_head('<script type="text/javascript" src="'.$module_path.'/drupal.js"></script>');
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$sent[$module_path.'/drupal.js'] = true;
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theme_add_style($module_path.'/drupal.css');
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}
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if (!isset($sent[$file])) {
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drupal_set_html_head('<script type="text/javascript" src="'. check_url($file) .'"></script>');
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$sent[$file] = true;
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}
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}
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}
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/**
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* Format a single-line text field that uses Ajax for autocomplete.
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*
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* @param $title
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* The label for the text field.
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* @param $name
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* The internal name used to refer to the field.
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* @param $value
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* The initial value for the field at page load time.
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* @param $size
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* A measure of the visible size of the field (passed directly to HTML).
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* @param $maxlength
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* The maximum number of characters that may be entered in the field.
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* @param $callback_path
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* A drupal path for the Ajax autocomplete callback.
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* @param $description
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* Explanatory text to display after the form item.
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* @param $attributes
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* An associative array of HTML attributes to add to the form item.
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* @param $required
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* Whether the user must enter some text in the field.
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* @return
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* A themed HTML string representing the field.
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*/
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if (!function_exists('form_autocomplete')) {
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function form_autocomplete($title, $name, $value, $size, $maxlength, $callback_path, $description = NULL, $attributes = NULL, $required = FALSE) {
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$module_path = drupal_get_path('module', 'ajax');
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drupal_add_js($module_path.'/autocomplete.js');
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$size = $size ? ' size="'. $size .'"' : '';
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$output = theme('form_element', $title, '<input type="text" maxlength="'. $maxlength .'" class="'. _form_get_class('form-text form-autocomplete', $required, _form_get_error($name)) .'" name="edit['. $name .']" id="edit-'. $name .'"'. $size .' value="'. check_plain($value) .'"'. drupal_attributes($attributes) .' />', $description, 'edit-'. $name, $required, _form_get_error($name));
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$output .= '<input class="autocomplete" type="hidden" id="edit-'. $name .'-autocomplete" value="'. check_url(url($callback_path, NULL, NULL, TRUE)) .'" disabled="disabled" />';
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return $output;
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}
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}
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/**
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* Format a group of form items.
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*
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* @param $legend
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* The label for the form item group.
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* @param $group
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* The form items within the group, as an HTML string.
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* @param $collapsed
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* A boolean value decided whether the group starts collapsed.
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* @param $description
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* Explanatory text to display after the form item group.
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* @param $attributes
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* An associative array of HTML attributes to add to the fieldset tag.
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* @return
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* A themed HTML string representing the form item group.
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*/
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if (!function_exists('form_group_collapsible')) {
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function form_group_collapsible($legend, $group, $collapsed = FALSE, $description = NULL, $attributes = NULL) {
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$module_path = drupal_get_path('module', 'ajax');
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drupal_add_js($module_path . '/collapse.js');
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$attributes['class'] .= ' collapsible';
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if ($collapsed) {
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$attributes['class'] .= ' collapsed';
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}
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return '<fieldset' . drupal_attributes($attributes) .'>' . ($legend ? '<legend>'. $legend .'</legend>' : '') . $group . ($description ? '<div class="description">'. $description .'</div>' : '') . "</fieldset>\n";
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}
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}
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/**
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* Returns the path to a system item (module, theme, etc.).
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*
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* @param $type
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* The type of the item (i.e. theme, theme_engine, module).
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* @param $name
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* The name of the item for which the path is requested.
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*
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* @return
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* The path to the requested item.
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*/
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if (!function_exists('drupal_get_path')) {
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function drupal_get_path($type, $name) {
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return dirname(drupal_get_filename($type, $name));
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}
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}
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/**
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* Returns and optionally sets the filename for a system item (module,
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* theme, etc.). The filename, whether provided, cached, or retrieved
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* from the database, is only returned if the file exists.
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*
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* @param $type
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* The type of the item (i.e. theme, theme_engine, module).
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* @param $name
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* The name of the item for which the filename is requested.
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* @param $filename
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* The filename of the item if it is to be set explicitly rather
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* than by consulting the database.
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*
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* @return
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* The filename of the requested item.
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*/
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if (!function_exists('drupal_get_filename')) {
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function drupal_get_filename($type, $name, $filename = NULL) {
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static $files = array();
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if (!$files[$type]) {
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$files[$type] = array();
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}
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if ($filename && file_exists($filename)) {
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$files[$type][$name] = $filename;
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}
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elseif ($files[$type][$name]) {
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// nothing
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}
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elseif (($file = db_result(db_query("SELECT filename FROM {system} WHERE name = '%s' AND type = '%s'", $name, $type))) && file_exists($file)) {
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$files[$type][$name] = $file;
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}
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else {
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$config = conf_init();
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$dir = (($type == 'theme_engine') ? 'themes/engines' : "${type}s");
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$file = (($type == 'theme_engine') ? "$name.engine" : "$name.$type");
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foreach (array("$config/$dir/$file", "$config/$dir/$name/$file", "$dir/$file", "$dir/$name/$file") as $file) {
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if (file_exists($file)) {
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$files[$type][$name] = $file;
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break;
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}
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}
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}
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return $files[$type][$name];
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}
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}
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?>
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