--- themeswitcher.module 2006-09-04 10:40:16.000000000 -0400 +++ themeswitcher.module 2006-09-04 14:38:09.000000000 -0400 @@ -17,6 +17,21 @@ function themeswitcher_help($section = ' return t($output); } +/** + * hook_menu + **/ + +function themeswitcher_menu($may_cache) { + $items = array(); + if ($may_cache) { + $items[] = array('path' => 'themes', + 'title' => t('theme previewer'), + 'callback' => 'themeswitcher_page', + 'access' => user_access('access content')); + } + return $items; +} + function themeswitcher_init() { global $custom_theme; @@ -86,20 +101,25 @@ function themeswitcher_cron() { } function themeswitcher_block($op = 'list', $delta = 0) { - if ($op == 'list') { - $blocks[0]['info'] = t('Random theme'); - $blocks[1]['info'] = t('Theme browser'); - return $blocks; - } - elseif ($delta == 0) { - $block['subject'] = t('Random theme'); - $block['content'] = themeswitcher_display_random_block(); - return $block; - } - elseif ($delta == 1) { - $block['subject'] = t('Browse themes'); - $block['content'] = themeswitcher_display_nextprev_block(); - return $block; + switch ($op) { + case 'list': + $blocks[0]['info'] = t('Random theme'); + $blocks[1]['info'] = t('Theme browser'); + return $blocks; + break; + case 'view': + if ($delta == 0) { + $block['subject'] = t('Random theme'); + $block['content'] = themeswitcher_display_random_block(); + } + elseif ($delta == 1) { + $block['subject'] = t('Browse themes'); + $block['content'] = themeswitcher_display_nextprev_block(); + } + return $block; + break; + case 'default': + break; } } @@ -116,43 +136,178 @@ function themeswitcher_display_random_bl } function themeswitcher_display_nextprev_block() { - global $custom_theme; + global $custom_theme, $user; $themes = list_themes(); - ksort($themes); + if (count($themes) > 1) { + ksort($themes); + $i = 0; + foreach ($themes as $key => $theme) { + $themes[$key]->screenshot = dirname($theme->filename) . '/screenshot.png'; + // I need both a numerical and an associative array + $sort[$i] = $themes[$key]; + $themes[$key]->order = $i; + $i++; + } + $count = count($themes) - 1; // offest for starting at zero - if (!$custom_theme) { - $next = current($themes); - if (file_exists($next->screenshot)) { - $output .= l("screenshot\" alt=\"preview of $next->name\" width=\"75px\"/>", $_GET['q'], NULL, 'theme='. $next->name, NULL, FALSE, TRUE); - $output .= '
'; - } - $output .= l($next->name . ' ›', $_GET['q'], NULL, 'theme='. $next->name); - return $output; - } - - while (list($key, $theme) = each($themes)) { - if ($custom_theme == $theme->name) { - prev($themes); - $previous = prev($themes); - if ($previous) { - if (file_exists($previous->screenshot)) { - $output = l("screenshot\" alt=\"preview of $previous->name\" width=\"75px\"/>", $_GET['q'], NULL, 'theme='. $previous->name, NULL, FALSE, TRUE); - $output .= '
'; - } - $output .= l('‹ '. $previous->name, $_GET['q'], NULL, 'theme='. $previous->name); + // assign the current theme as value of $custom_theme + $current = themeswitcher_get_current($themes); + + // derive the next and previous from the order of $current + $pos = $current->order; + $next = $pos + 1; + $prev = $pos - 1; + + if ($pos == $count) { + $next = 0; + $prev = $pos - 1; + } + elseif ($pos == 0) { + $next = $pos + 1; + $prev = $count; + } + + $next_theme = $sort[$next]; + $prev_theme = $sort[$prev]; + + // add the themes to the output + if (file_exists($prev_theme->screenshot)) { + $output = '

' . t('Previous theme') . '
'; + $output .= l("screenshot\" alt=\"preview of $prev_theme->name\" />", $_GET['q'], NULL, 'theme='. $prev_theme->name, NULL, FALSE, TRUE); + } + $output .= '
' . l('‹ '. $prev_theme->name, $_GET['q'], NULL, 'theme='. $prev_theme->name) . '

'; + $output .= '

' . t('Next theme') . '
'; + if (file_exists($next_theme->screenshot)) { + $output .= l("screenshot\" alt=\"preview of $next_theme->name\" />", $_GET['q'], NULL, 'theme='. $next_theme->name, NULL, FALSE, TRUE); + } + $output .= '
' . l($next_theme->name . ' ›', $_GET['q'], NULL, 'theme='. $next_theme->name) . '

'; + } + else { + $output = t('You must enable more than one theme.'); + } + return $output; +} + + +/** + * Creates a browsable page showing all themes + **/ + +function themeswitcher_page() { + $output = t('

Select a theme below to see how it looks for this site.

'); + $themes = list_themes(); + if (count($themes) > 1) { + ksort($themes); + $current = themeswitcher_get_current($themes); + $i = 0; + foreach ($themes as $key => $theme) { + $theme->picture = dirname($theme->filename) . '/screenshot.png'; + if (file_exists(dirname($theme->filename) . '/screenshot.png')) { + $themes[$key]->screenshot = dirname($theme->filename) . '/screenshot.png'; } - next($themes); - $next = next($themes); - if ($next) { - $output .= ' | '; - if (file_exists($next->screenshot)) { - $output .= l("screenshot\" alt=\"preview of $next->name\" width=\"75px\"/>", $_GET['q'], NULL, 'theme='. $next->name, NULL, FALSE, TRUE); - $output .= '
'; + // easier to handle as a numerical array + $sort[$i] = $themes[$key]; + $i++; + } + + // this might all be rethemed, but it works this way. + $page = floor($_GET['page']); + $max = 24; + $cells = ''; + $count = count($themes) - 1; // offset for the zero + $current_theme = $current->name; + + $start = ($page - 1) * $max; + $end = $page * $max - 1; + $pages = floor($count / $max) + 1; + + for ($i = $start; $i <= $end; $i++) { + $key = $i; + $theme = $sort[$i]; + $row_open = 0; + if (!empty($theme)) { + if ($key == $start) { + $cells .= ''; + } + if (fmod($key, 3) == 0 || $key == 0) { + $cells .= ''; + $row_open = 1; } - $output .= l($next->name . ' ›', $_GET['q'], NULL, 'theme='. $next->name); + $cells .= ''; + if (fmod($key+1, 3) == 0) { + $cells .= ''; + $row_open = 0; + } + if ($key == $end || $key == $count) { + if ($row_open == 1) { + $cells .= ''; + } + $cells .= '
' . theme('themeswitcher', $theme, $current_theme) . '
'; + } + } + } + $output .= $cells; + + // pagination links + if ($pages > 1) { + $output .= l(t('first'), $_GET['q'], NULL, 'page=1'. '&theme='. $current_theme). ' | '; + for ($i = 1; $i <= $pages; $i++) { + $output .= l($i, $_GET['q'], NULL, 'page='. $i . '&theme='. $current_theme); + $output .= ' | '; } - return $output; + $output .= l(t('last'), $_GET['q'], NULL, 'page=' . $pages. '&theme='. $current_theme); + } + + } + else { + $output = t('You must enable more than one theme.'); + } + + print theme('page', $output); +} + +/** + * Theme function for the themes overview + **/ + +function theme_themeswitcher($theme, $current_theme) { + if ($theme->name == $current_theme) { + $cells = '
'; + } + else { + $cells = '
'; + } + $cells .= '

' . l($theme->name, $_GET['q'], NULL, 'page='.$_GET['page'] . 'theme='. $theme->name); + $cells .= '

'; + $cells .= l("screenshot\" alt=\"preview of $theme->name\" />", $_GET['q'], NULL, 'page='.$_GET['page'] .'&theme='. $theme->name, NULL, FALSE, TRUE); + $cells .= '

'; + if ($theme->name == $current_theme) { + $cells .= ''; + } + $cells .= '
'; + return $cells; +} + + +/** + * Retrieve the active theme + **/ + +function themeswitcher_get_current($themes) { + global $custom_theme; + if (!empty($custom_theme)) { + $current = $themes[$custom_theme]; + } + else { + // if no theme, use the user default + if (empty($user->theme)) { + $conf = $GLOBALS['conf']['theme_default']; } + else { + $conf = $user->theme; + } + $current = $themes[$conf]; } + return $current; } -?> +