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<?php
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// $ID:$
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/**
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* @file
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* Style.module is a stylesheet override system for Drupal themes.
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*/
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/**
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* See if styles exist in a directory
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*
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* Checks for directories
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*
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* @param string $dir
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* Directory to view
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* @param boolean $refresh
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* Bypass cache
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* @return
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* TRUE if styles exist. FALSE if not.
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*/
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function style_exists($dir, $refresh = FALSE) {
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static $exists;
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if ($refresh === FALSE && isset($exists) && isset($exists[$dir])) {
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return $exists[$dir];
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}
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if ($handle = opendir($dir)) {
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while (FALSE !== ($file = readdir($handle))) {
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if (is_dir($file)) {
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// Directory (style) found.
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return $exists[$dir] = TRUE;
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}
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}
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// No directorys in styles
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return $exists[$dir] = FALSE;
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closedir($handle);
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}
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}
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/**
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* Scan for styles in a directory
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*
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* @param string $dir
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* Directory of the theme or module styles
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* @param boolean $refresh
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Bypass cache
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* @return array
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* All styles in folder
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*/
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function style_scan($dir, $refresh = FALSE) {
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static $styles;
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if ($refresh !== FALSE && isset($styles) && isset($styles[$dir])) {
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return $styles[$dir];
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}
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if ($handle = opendir($dir)) {
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$styles[$dir] = array();
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while (FALSE !== ($file = readdir($handle))) {
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if ($file != "." && $file != ".." && is_dir($dir . $file)) {
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$styles[$dir][] = $file;
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}
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}
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// No directorys in styles
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closedir($handle);
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}
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return $styles[$dir];
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}
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/**
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* Enclosure for style_scan_style_do
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*
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* @param string $dir
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* Directory of style
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* @param boolean $refresh
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* Bypass cache
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* @return array
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* Recursive output of files.
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*/
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function style_scan_style($dir, $refresh = FALSE) {
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static $style;
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if (isset($style[$dir]) && $refresh !== TRUE) {
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return $style[$dir];
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}
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$style[$dir] = style_scan_style_do($dir);
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return $style[$dir];
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}
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/**
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* Get the structure of a style
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*
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* @param string $dir
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* Directory of style
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* @param boolean $show_files
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* Scan files
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* @return array
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* Recursive output of files.
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*/
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function style_scan_style_do($dir, $show_files = TRUE) {
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$d = dir($dir); $x = array();
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while (($r = $d->read()) !== FALSE) {
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if ($r != "." && $r != ".." && (($show_files == FALSE && is_dir($dir.$r)) || $show_files == TRUE)) {
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$x[$r] = (is_dir($dir.$r) ? array() : (is_file($dir.$r) ? TRUE : FALSE));
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}
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}
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foreach ($x as $key => $value) {
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if (is_dir($dir.$key."/")) {
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$x[$key] = style_scan_style_do($dir.$key."/", $show_files);
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}
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}
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ksort($x);
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return $x;
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}
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/**
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* Retrieve styles for theme/module/etc
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*
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* @param string $type
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* 'module', 'theme'
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* @param string name
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* Name of the entity, i.e. 'garland'
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* @return array
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* Formatted array[full_path_to_style] = stylename
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*/
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function style_get_styles($type, $name) {
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$styles['local_dir'] = drupal_get_path($type, $name) . '/styles/';
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$styles['files_dir'] = file_directory_path() . '/' . drupal_get_path($type, $name) . '/styles/';
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$styles['list'] = array();
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if (file_exists($styles['local_dir']) && style_exists($styles['local_dir'])) {
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$style_scan = style_scan($styles['local_dir']);
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foreach ($style_scan as $style) {
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$styles['list'][$styles['local_dir'] . $style] = $style;
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}
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}
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if (file_exists($styles['files_dir']) && style_exists($styles['files_dir'])) {
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$style_scan = style_scan($styles['files_dir']);
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foreach ($style_scan as $style) {
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$styles['list'][$styles['files_dir'] . $style] = $style . " *";
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}
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}
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return $styles;
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}
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function style_menu() {
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$items['admin/build/styles'] = array(
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'access arguments' => array('administer advanced forum'),
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'description' => 'Configure Advanced Forum with these settings.',
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'page arguments' => array('style_settings_page'),
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'page callback' => 'drupal_get_form',
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'title' => 'Styles',
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);
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return $items;
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}
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/**
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* Form for our settings page
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*
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*/
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function style_settings_page() {
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# Get a list of themes
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$themes = array_keys(list_themes());
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$form['diagnostic'] = array(
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'#title' => t('Diagnostics'),
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'#type' => 'fieldset',
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'#description' => t('This module currently is set to detect themes stored
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in /styles in your theme folders. It will also include
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/files/themes/themename/styles.'),
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);
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foreach ($themes as $theme) {
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$style_info = style_get_styles('theme', $theme);
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$style_list = $style_info['list'];
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if (isset($style_list) && count($style_list) > 0) {
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$form['diagnostic'][$theme] = array(
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'#type' => 'fieldset',
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'#title' => t('style_scan(\'theme\', \'' . $theme . '\')'),
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'#collapsible' => TRUE,
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'#attributes' => array('class' => 'style-select-fieldset'),
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);
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drupal_add_css(drupal_get_path('module', 'style') .'/style.form.css', 'module', 'all', TRUE);
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$form['diagnostic'][$theme]['theme_'.$theme.'_style'] = array(
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'#type' => 'select',
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'#title' => t('Style select box'),
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'#description' => t('* generated style'),
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'#options' => $style_list,
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'#default_value' => variable_get('theme_'.$theme.'_style', 0),
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);
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}
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}
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// Send our form to Drupal to make a settings page
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return system_settings_form($form);
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}
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function style_preprocess_page(&$vars) {
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global $theme_key, $theme_info, $base_url;
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if (dir(theme_get_setting('theme_'.$theme_key.'_style'))) {
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$styles = array();
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foreach (array_keys($vars['css']['all']['theme']) as $css) {
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$styles[] = basename($css);
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}
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$newcss = style_scan_style(theme_get_setting('theme_'.$theme_key.'_style'));
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$new_styles = array();
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foreach (array_keys($newcss) as $css) {
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$new_styles[] = theme_get_setting('theme_'.$theme_key.'_style') . '/' . $css;
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}
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$color_paths = $new_styles;
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}
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///
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/*********************************************************^^^^^^**| | *
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* | D___| | *
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* W A R N I N G W A R N I N G W A R N I N G | R_____| *
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* /_ U| *
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* <STYLESHEET>___O P|__<VOILA!>
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* the machine | A| *
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* CSS OVERRIDE IN PROGRESS BEEP BOOP BEEP BOOP | L| *
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* |2008| *
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*****************************************************************/
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if (!empty($color_paths)) {
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// Loop over theme CSS files and try to Rebuild CSS array with rewritten
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// stylesheets. Keep the orginal order intact for CSS cascading.
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$new_theme_css = array();
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foreach ($vars['css']['all']['theme'] as $old_path => $old_preprocess) {
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// Add the non-colored stylesheet first as we might not find a
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// re-colored stylesheet for replacement later.
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$new_theme_css[$old_path] = $old_preprocess;
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// Loop over the path array with recolored CSS files to find matching
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// paths which could replace the non-recolored paths.
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foreach ($color_paths as $color_path) {
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if (basename($old_path) == basename($color_path)) {
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// Pull out the non-colored and add rewritten stylesheet.
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unset($new_theme_css[$old_path]);
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$new_theme_css[$color_path] = $old_preprocess;
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// If the current language is RTL and the CSS file had an RTL variant,
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// pull out the non-colored and add rewritten RTL stylesheet.
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if (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL) {
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$rtl_old_path = str_replace('.css', '-rtl.css', $old_path);
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$rtl_color_path = str_replace('.css', '-rtl.css', $color_path);
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if (file_exists($rtl_color_path)) {
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unset($new_theme_css[$rtl_old_path]);
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$new_theme_css[$rtl_color_path] = $old_preprocess;
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}
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}
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break;
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}
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}
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}
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$vars['css']['all']['theme'] = $new_theme_css;
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$vars['styles'] = drupal_get_css($vars['css']);
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}
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if (file_exists(theme_get_setting('theme_'.$theme_key.'_style') . '/logo.png')) {
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$vars['logo'] = $base_url . '/' . theme_get_setting('theme_'.$theme_key.'_style') . '/logo.png';
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}
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function style_form_alter(&$form, $form_state, $form_id) {
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global $base_url;
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// Insert the color changer into the theme settings page.
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if ($form_id == 'system_theme_settings' && arg(4)) {
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if (variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC) != FILE_DOWNLOADS_PUBLIC) {
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// Disables the color changer when the private download method is used.
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// TODO: This should be solved in a different way. See issue #181003.
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drupal_set_message(t('The color picker only works if the <a href="@url">download method</a> is set to public.', array('@url' => url('admin/settings/file-system'))), 'warning');
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}
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else {
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$theme = arg(4);
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$style_info = style_get_styles('theme', $theme);
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$style_list = $style_info['list'];
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if (isset($style_list) && count($style_list) > 0 || count($form['style']['extensions']) > 0) {
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drupal_add_css(drupal_get_path('module', 'style') .'/style_form.css', 'module', 'all', TRUE);
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if (!isset($form['style'])) {
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$form['style'] = array();
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}
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$form['style'] += array(
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'#type' => 'fieldset',
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'#title' => t('Style'),
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'#description' => t('Change the look of your theme.'),
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'#collapsible' => TRUE,
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'#attributes' => array('class' => 'style-select-fieldset'),
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'#weight' => -15,
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);
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// http://api.drupal.org/api/function/theme_get_settings/6
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// We need to update theme_get_setting() in D7 to support per-theme
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// caching in certain events.
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$value = theme_get_settings($theme, 0);
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$value = $value['theme_'.$theme.'_style'];
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if (!isset($style_list) || count($style_list) == 0) {
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$form['style']['theme_'.$theme.'_style'] = array(
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'#type' => 'item',
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'#value' => t('No styles available'),
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'#default_value' => $value,
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);
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}
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else {
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$form['style']['theme_'.$theme.'_style'] = array(
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'#type' => 'select',
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'#title' => t('Default'),
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'#description' => t('* generated style'),
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'#options' => $style_list,
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'#default_value' => $value,
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//'#DANGEROUS_SKIP_CHECK' => TRUE
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);
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}
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if (count($form['style']['extensions']) > 0) {
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$form['style']['extensions'] += array(
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'#type' => 'fieldset',
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'#title' => t('Extensions'),
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'#collapsible' => TRUE,
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'#attributes' => array('class' => 'style-extensions-fieldset'),
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'#weight' => 5,
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);
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}
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}
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}
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}
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}
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?>
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