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<?php
function xbbcode_list_xbbcode($op = 'list', $delta = '', $tag = NULL) {
$sample = <<<LIST
[*] fruit
[**] apples
[**] bananas
[*] animals
[**] cat
[**] dog
LIST;
$tags['list'] = array(
'dynamic' => TRUE,
'description' => t('Formats a list of items in the default style.'),
'sample' => '[list]' . $sample . '[/list]',
);
$tags['ol'] = array(
'dynamic' => TRUE,
'description' => t('Formats a numbered list of items.'),
'sample' => '[ol]' . $sample . '[/ol]',
);
$tags['ul'] = array(
'dynamic' => TRUE,
'description' => t('Formats a non-numbered list of items.'),
'sample' => '[ul]' . $sample . '[/ul]',
);
switch ($op) {
case 'list':
return array_keys($tags);
case 'info':
return $tags[$delta];
case 'render':
return xbbcode_list_render($delta, $tag->option, $tag->content);
}
}
function xbbcode_list_init() {
drupal_add_css(drupal_get_path('module', 'xbbcode_list') . '/xbbcode_list.css');
}
function xbbcode_list_render($type, $style, $content) {
$styles = xbbcode_list_styles();
if ($type == 'list') {
$type = variable_get('xbbcode_list_default', 'ul');
}
if (!$style) {
$style = 'default';
}
$content = xbbcode_list_armor_nested($content);
$items = xbbcode_list_split_items($content);
$class = $styles[$type][$style];
$out = xbbcode_list_render_recursive($type, $class, $items);
$out = preg_replace('/\\[(\\*+)--\\]/', '[$1]', $out);
return $out;
}
function xbbcode_list_armor_nested($text) {
$text = preg_replace('/(\\[list\\])(.*?)(\\[\\/list\\])(.*?)*/ie', 'xbbcode_list_armor_nested_("$1","$2","$3",$4")', $text);
$text = preg_replace('/(\\[ol\\])(.*?)(\\[\\/ol\\])(.*?)*/ie', 'xbbcode_list_armor_nested_("$1","$2","$3","$4")', $text);
$text = preg_replace('/(\\[ul\\])(.*?)(\\[\\/ul\\])(.*?)*/ie', 'xbbcode_list_armor_nested_("$1","$2","$3","$4")', $text);
return $text;
}
function xbbcode_list_armor_nested_($open, $items, $close, $rest) {
return $open . preg_replace('/\\[(\\*+)\\]/', '[$1--]', $items) . $close . $rest;
}
function xbbcode_list_split_items($text, $level = 1) {
$pattern = '/\\[\\*{' . $level . ',' . $level . '}\\]/';
$items = preg_split($pattern, $text);
foreach ($items as $i => $item) {
$items[$i] = trim($item);
}
if (count($items) > 1) {
$parent = array_shift($items);
}
foreach ($items as $i => $item) {
if (preg_match('/\\[\\*{' . ($level + 1) . ',' . ($level + 1) . '}\\]/', $item)) {
$items[$i] = xbbcode_list_split_items($item, $level + 1);
}
}
$items['#parent'] = $parent;
return $items;
}
function xbbcode_list_render_recursive($tag, $classes, $items) {
$class = array_shift($classes);
if (!$classes) {
$classes = array(
$class,
);
}
$out = '<' . $tag . ' class="' . $class . '">';
unset($items['#parent']);
foreach ($items as $item) {
if (is_array($item)) {
$item = $item['#parent'] . xbbcode_list_render_recursive($tag, $classes, $item);
}
$out .= '<li>' . $item . '</li>';
}
$out .= '</' . $tag . '>';
return $out;
}
function xbbcode_list_styles() {
static $styles;
$styles['ol']['hierarchy'] = preg_split('/ *, */', variable_get('xbbcode_list_ol_hierarchy', 'numeric, lower-alpha, lower-roman'));
$styles['ol']['sectioned'] = array(
'sectioned',
);
$styles['ol']['default'] = $styles['ol'][variable_get('xbbcode_list_ol_default', 'hierarchy')];
return $styles;
}
function xbbcode_list_menu() {
$menu['admin/settings/xbbcode/lists/autocomplete'] = array(
'title' => 'list-style-type autocomplete',
'page callback' => 'xbbcode_list_autocomplete',
'access arguments' => array(
'administer site configuration',
),
'type' => MENU_CALLBACK,
);
$menu['admin/settings/xbbcode/lists'] = array(
'title' => 'List styles',
'page callback' => 'drupal_get_form',
'page arguments' => array(
'xbbcode_list_admin_settings',
),
'access arguments' => array(
'administer site configuration',
),
'type' => MENU_NORMAL_ITEM,
);
return $menu;
}
function xbbcode_list_admin_settings($form_state) {
drupal_add_js(drupal_get_path('module', 'xbbcode_list') . '/xbbcode_list.js');
$form['xbbcode_list_default'] = array(
'#type' => 'radios',
'#title' => t('Default list type'),
'#description' => t('Choose whether [list] is numbered or non-numbered by default. Users can override the default by using [ul] or [ol].'),
'#options' => array(
'ol' => t('Numbered'),
'ul' => t('Non-numbered'),
),
'#default_value' => variable_get('xbbcode_list_default', 'ul'),
);
$form['ol'] = array(
'#type' => 'fieldset',
'#title' => t('Ordered list settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#description' => t('Configure how to display lists with numbered items.'),
);
$form['ul'] = array(
'#type' => 'fieldset',
'#title' => t('Unordered list settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#description' => t('Configure how to display lists with numbered items.'),
);
$form['ol']['xbbcode_list_ol_default'] = array(
'#type' => 'radios',
'#title' => t('Ordered list default'),
'#description' => t('Ordered lists will look like this by default. The style can be overridden with [ol=dotted] and [ol=levels]'),
'#options' => array(
'sectioned' => t('Sectioned (this works only in a browser with CSS 2.0 support!)'),
'hierarchy' => t('Hierarchical levels'),
),
'#default_value' => variable_get('xbbcode_list_ol_default', 'hierarchy'),
);
$form['ol']['example'] = array(
'#type' => 'item',
'#value' => '
<ol id="xbbocde_list_sample_1" class="numeric">
<li>' . t('Fruit') . '
<ol id="xbbocde_list_sample_2" class="lower-alpha">
<li>' . t('Citrus') . '
<ol id="xbbocde_list_sample_3" class="lower-roman">
<li>' . t('Lemon') . '</li>
<li>' . t('Orange') . '</li>
</ol>
</li
</ol>
</li>
</ol>',
);
$form['ol']['xbbcode_list_ol_hierarchy'] = array(
'#type' => 'textfield',
'#title' => t('Style hierarchy'),
'#description' => t('Enter a comma-separated list of styles that will be used by nested lists. Valid styles are: %list. Deeper levels will repeat the lowest level that was defined.', array(
'%list' => 'upper-roman, lower-roman, numeric, upper-alpha, lower-alpha, none',
)),
'#default_value' => variable_get('xbbcode_list_ol_hierarchy', 'numeric, lower-alpha, lower-roman'),
'#autocomplete_path' => 'admin/settings/xbbcode/lists/autocomplete/ol',
'#element_validate' => array(
'xbbcode_list_style_validate',
),
);
return system_settings_form($form);
}
function xbbcode_list_style_validate($element) {
$valid_styles = array(
'upper-alpha',
'lower-alpha',
'upper-roman',
'lower-roman',
'numeric',
);
$types = preg_split('/ *, */', $element['#value']);
foreach ($types as $type) {
if (!in_array($type, $valid_styles)) {
form_error($element, t('%type is not a valid style.', array(
'%type' => $type,
)));
}
}
}
function xbbcode_list_autocomplete($type, $string) {
if ($type == 'ol') {
$styles = array(
'upper-alpha',
'lower-alpha',
'upper-roman',
'lower-roman',
'numeric',
);
}
else {
$styles = array();
}
$string = check_plain($string);
foreach ($styles as $style) {
if (preg_match('/^$string/', $style)) {
$results[$style] = $style;
}
}
drupal_set_header('Content-type: text/javascript; charset=utf8');
print drupal_to_js($results);
exit;
}
