| 1 | <?php
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| 2 | /* Plugin Name: Theme Switcher Reloaded
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| 3 | Plugin URI: http://themebot.com/webmaster-tools/1-wordpress-theme-switcher-reloaded
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| 4 | Description: Efficient, feature-rich theme switcher plugin with widget. Sponsored by Themebot for use in the <a href="http://themebot.com/website-templates/wordpress-themes">WordPress Themes</a> section.
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| 5 | Version: 1.0
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| 6 | Author: Themebot
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| 7 | Author URI: http://themebot.com
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| 8 |
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| 9 | Adapted from Ryan Boren's theme switcher and Jared Bangs Theme Switcher Widget.
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| 10 | http://wordpress.org/extend/plugins/theme-switcher/#post-536
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| 11 | http://freepressblog.org/wordpress-plugins-2/wordpress-theme-switcher-widget/
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| 12 | ... which was adapted from Alex King's style switcher.
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| 13 | http://www.alexking.org/software/wordpress/
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| 14 | Modified by kingler from 72pines http://code.72pines.org on Feb 13, 2008
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| 15 | Sponsored by Themebot http://themebot.com/ */
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| 16 |
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| 17 | function widget_themeswitcher_init() {
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| 18 |
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| 19 | // Check for the required plugin functions. This will prevent fatal
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| 20 | // errors occurring when you deactivate the dynamic-sidebar plugin.
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| 21 | if ( !function_exists('register_sidebar_widget') ) {
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| 22 | return;
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| 23 | }
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| 24 |
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| 25 | load_plugin_textdomain('ts_theme_switcher', 'wp-content/plugins/theme-switcher-reloaded');
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| 26 |
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| 27 | function ts_set_theme_cookie() {
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| 28 | $expire = time() + 3600*1000; // cookie set to expire in 1 hour
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| 29 | if (!empty($_GET["wptheme"])) {
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| 30 | setcookie("wptheme" . COOKIEHASH,
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| 31 | stripslashes($_GET["wptheme"]),
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| 32 | $expire,
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| 33 | COOKIEPATH
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| 34 | );
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| 35 |
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| 36 | $redirect = get_settings('home').'/';
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| 37 |
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| 38 | /*if (function_exists('wp_redirect'))
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| 39 | wp_redirect($redirect);
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| 40 | else
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| 41 | header("Location: ". $redirect);
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| 42 |
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| 43 | exit;*/
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| 44 | }
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| 45 | }
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| 46 |
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| 47 | function ts_get_theme() {
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| 48 | if (!empty($_GET["wptheme"]))
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| 49 | return $_GET["wptheme"];
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| 50 | else
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| 51 | if (!empty($_COOKIE["wptheme" . COOKIEHASH])) {
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| 52 | return $_COOKIE["wptheme" . COOKIEHASH];
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| 53 | } else {
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| 54 | return '';
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | function ts_get_template($template) {
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| 59 | $theme = ts_get_theme();
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| 60 |
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| 61 | if (empty($theme)) {
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| 62 | return $template;
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| 63 | }
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| 64 |
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| 65 | $theme = ts_get_one_theme($theme);
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| 66 |
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| 67 | if (empty($theme)) {
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| 68 | return $template;
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| 69 | }
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| 70 |
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| 71 | // Don't let people peek at unpublished themes.
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| 72 | if (isset($theme['Status']) && $theme['Status'] != 'publish')
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| 73 | return $template;
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| 74 |
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| 75 | return $theme['Template'];
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| 76 | }
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| 77 |
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| 78 | function ts_get_stylesheet($stylesheet) {
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| 79 | $theme = ts_get_theme();
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| 80 |
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| 81 | if (empty($theme)) {
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| 82 | return $stylesheet;
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| 83 | }
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| 84 |
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| 85 | $theme = ts_get_one_theme($theme);
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| 86 |
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| 87 | // Don't let people peek at unpublished themes.
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| 88 | if (isset($theme['Status']) && $theme['Status'] != 'publish')
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| 89 | return $stylesheet;
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| 90 |
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| 91 | if (empty($theme)) {
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| 92 | return $stylesheet;
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| 93 | }
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| 94 |
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| 95 | return $theme['Stylesheet'];
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| 96 | }
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| 97 |
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| 98 | function wp_theme_switcher($style = "dropdown") {
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| 99 | $themes = ts_get_all_themes();
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| 100 |
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| 101 | $selected_theme = ts_get_theme();
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| 102 |
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| 103 | $default_theme = ts_get_current_theme();
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| 104 |
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| 105 | if (count($themes) > 1) {
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| 106 | $theme_names = array_keys($themes);
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| 107 | natcasesort($theme_names);
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| 108 |
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| 109 | $ts = '<ul id="themeswitcher">'."\n";
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| 110 |
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| 111 | if ($style == 'dropdown') {
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| 112 | $ts .= '<li>'."\n"
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| 113 | . ' <select style="width:140px" name="themeswitcher" onchange="location.href=\''.get_settings('home').'/index.php?wptheme=\' + this.options[this.selectedIndex].value;">'."\n" ;
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| 114 |
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| 115 | foreach ($theme_names as $theme_name) {
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| 116 | // Skip unpublished themes.
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| 117 | if (isset($themes[$theme_name]['Status']) && $themes[$theme_name]['Status'] != 'publish')
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| 118 | continue;
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| 119 |
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| 120 | if ((!empty($selected_theme) && $selected_theme == $theme_name)
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| 121 | || (empty($selected_theme) && ($theme_name == $default_theme))) {
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| 122 | $ts .= ' <option value="'.$theme_name.'" selected="selected">'
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| 123 | . htmlspecialchars($theme_name)
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| 124 | . '</option>'."\n"
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| 125 | ;
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| 126 | } else {
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| 127 | $ts .= ' <option value="'.$theme_name.'">'
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| 128 | . htmlspecialchars($theme_name)
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| 129 | . '</option>'."\n"
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| 130 | ;
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| 131 | }
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| 132 | }
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| 133 | $ts .= ' </select>'."\n"
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| 134 | . '</li>'."\n"
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| 135 | ;
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| 136 | } else {
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| 137 | foreach ($theme_names as $theme_name) {
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| 138 | // Skip unpublished themes.
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| 139 | if (isset($themes[$theme_name]['Status']) && $themes[$theme_name]['Status'] != 'publish')
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| 140 | continue;
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| 141 |
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| 142 | $display = htmlspecialchars($theme_name);
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| 143 |
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| 144 | if ((!empty($selected_theme) && $selected_theme == $theme_name)
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| 145 | || (empty($selected_theme) && ($theme_name == $default_theme))) {
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| 146 | $ts .= ' <li>'.$display.'</li>'."\n";
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| 147 | } else {
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| 148 | $ts .= ' <li><a href="'
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| 149 | .get_settings('home').'/'. 'index.php'
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| 150 | .'?wptheme='.urlencode($theme_name).'">'
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| 151 | .$display.'</a></li>'."\n";
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| 152 | }
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| 153 | }
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| 154 | }
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| 155 | $ts .= '</ul>';
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| 156 | }
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| 157 |
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| 158 | echo $ts;
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| 159 | }
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| 160 |
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| 161 | ts_set_theme_cookie();
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| 162 |
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| 163 | add_filter('template', 'ts_get_template');
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| 164 | add_filter('stylesheet', 'ts_get_stylesheet');
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| 165 |
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| 166 | // This is the function that outputs our little Google search form.
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| 167 | function widget_themeswitcher($args) {
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| 168 |
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| 169 | // $args is an array of strings that help widgets to conform to
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| 170 | // the active theme: before_widget, before_title, after_widget,
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| 171 | // and after_title are the array keys. Default tags: li and h2.
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| 172 | extract($args);
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| 173 |
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| 174 | // Each widget can store its own options. We keep strings here.
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| 175 | $options = get_option('widget_themeswitcher');
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| 176 | $displayStyle = $options['displayStyle'];
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| 177 | $title = $options['Title'];
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| 178 |
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| 179 | // These lines generate our output. Widgets can be very complex
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| 180 | // but as you can see here, they can also be very, very simple.
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| 181 | echo $before_widget . $before_title . $title . $after_title;
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| 182 |
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| 183 | if($displayStyle=='dropdown') {
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| 184 | wp_theme_switcher('dropdown');
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| 185 | }
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| 186 | else {
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| 187 | wp_theme_switcher('list');
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| 188 | }
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| 189 |
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| 190 | echo $after_widget;
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| 191 | }
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| 192 |
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| 193 | function widget_themeswitcher_control() {
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| 194 |
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| 195 | // Get our options and see if we're handling a form submission.
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| 196 | $options = get_option('widget_themeswitcher');
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| 197 | if ( !is_array($options) ) {
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| 198 | $options = array('Title'=>__('Theme Switcher', 'ts_theme_switcher'), 'displayStyle'=>'dropdown', 'displayName'=>'full');
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| 199 | update_option('widget_themeswitcher', $options);
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| 200 | }
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| 201 | if ( $_POST['themeswitcher-submit'] ) {
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| 202 |
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| 203 | // Remember to sanitize and format use input appropriately.
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| 204 | $options['displayStyle'] = strip_tags(stripslashes($_POST['themeswitcher-display']));
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| 205 | $options['displayName'] = strip_tags(stripslashes($_POST['themeswitcher-name']));
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| 206 | $options['Title'] = $_POST['themeswitcher-title'];
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| 207 | update_option('widget_themeswitcher', $options);
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| 208 | }
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| 209 |
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| 210 | // Be sure you format your options to be valid HTML attributes.
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| 211 | $displayStyle = htmlspecialchars($options['displayStyle'], ENT_QUOTES);
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| 212 | $displayName = htmlspecialchars($options['displayName'], ENT_QUOTES);
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| 213 |
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| 214 | // Here is our little form segment. Notice that we don't need a
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| 215 | // complete form. This will be embedded into the existing form.
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| 216 | echo '<h4>'.__('Display style:', 'ts_theme_switcher').'</h4>';
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| 217 | echo '<p><label for="themeswitcher-title">'.__('Title', 'ts_theme_switcher').': </label>';
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| 218 | echo '<input id="themeswitcher-title" name="themeswitcher-title" type="text" value="'.$options['Title'].'" /></p>';
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| 219 | echo '<p><input id="themeswitcher-display0" name="themeswitcher-display" type="radio" value="list"';
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| 220 | if($displayStyle=='list') {
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| 221 | echo ' checked="checked"';
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| 222 | }
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| 223 | echo ' /><label for="themeswitcher-display0">'.__('List', 'ts_theme_switcher').'</label></p>';
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| 224 | echo '<p><input id="themeswitcher-display1" name="themeswitcher-display" type="radio" value="dropdown"';
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| 225 | if($displayStyle=='dropdown') {
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| 226 | echo ' checked="checked"';
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| 227 | }
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| 228 | echo ' /><label for="themeswitcher-display1">'.__('Drop-Down', 'ts_theme_switcher').'</label></p>';
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| 229 |
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| 230 | echo '<p><label for="themeswitcher-name0">'.__('Display theme names in ', 'ts_theme_switcher').': </label>';
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| 231 | echo '<p><input id="themeswitcher-name0" name="themeswitcher-name" type="radio" value="full"';
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| 232 | if($displayName=='full') {
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| 233 | echo ' checked="checked"';
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| 234 | }
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| 235 | echo ' /><label for="themeswitcher-name1">'.__('full name (default option)', 'ts_theme_switcher').'</label></p>';
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| 236 | echo '<p><input id="themeswitcher-name1" name="themeswitcher-name" type="radio" value="short"';
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| 237 | if($displayName=='short') {
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| 238 | echo ' checked="checked"';
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| 239 | }
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| 240 | echo ' /><label for="themeswitcher-display1">'.__('short name (faster loading)', 'ts_theme_switcher').'</label></p>';
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| 241 | echo '<input type="hidden" id="themeswitcher-submit" name="themeswitcher-submit" value="1" />';
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| 242 | }
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| 243 |
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| 244 |
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| 245 | // This registers our widget so it appears with the other available
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| 246 | // widgets and can be dragged and dropped into any active sidebars.
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| 247 | register_sidebar_widget(__('Theme Switcher', 'ts_theme_switcher'), 'widget_themeswitcher');
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| 248 |
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| 249 | // This registers our optional widget control form. Because of this
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| 250 | // our widget will have a button that reveals a 300x150 pixel form.
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| 251 | register_widget_control(__('Theme Switcher', 'ts_theme_switcher'), 'widget_themeswitcher_control', 300, 250);
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| 252 |
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| 253 | }
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| 254 |
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| 255 | // Run our code later in case this loads prior to any required plugins.
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| 256 | add_action('plugins_loaded', 'widget_themeswitcher_init');
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| 257 |
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| 258 | // helper function to look only at folder names, not loading the style.css files for performance.
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| 259 | function ts_get_all_themes() {
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| 260 | global $ts_themes, $ts_broken_themes;
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| 261 |
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| 262 | if ( isset($ts_themes) )
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| 263 | return $ts_themes;
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| 264 |
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| 265 | // check the option for displaying full names or short names
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| 266 | $options = get_option('widget_themeswitcher');
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| 267 | $displayName = htmlspecialchars($options['displayName'], ENT_QUOTES);
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| 268 | if($displayName=='full')
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| 269 | return get_themes();
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| 270 |
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| 271 | $themes = array();
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| 272 | $ts_broken_themes = array();
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| 273 | $theme_loc = $theme_root = get_theme_root();
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| 274 | if ( '/' != ABSPATH ) // don't want to replace all forward slashes, see Trac #4541
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| 275 | $theme_loc = str_replace(ABSPATH, '', $theme_root);
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| 276 |
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| 277 | // Files in wp-content/themes directory and one subdir down
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| 278 | $themes_dir = @ opendir($theme_root);
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| 279 | if ( !$themes_dir )
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| 280 | return false;
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| 281 |
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| 282 | while ( ($theme_dir = readdir($themes_dir)) !== false ) {
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| 283 | if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
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| 284 | if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
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| 285 | continue;
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| 286 | $stylish_dir = @ opendir($theme_root . '/' . $theme_dir);
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| 287 | $found_stylesheet = false;
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| 288 | while ( ($theme_file = readdir($stylish_dir)) !== false ) {
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| 289 | if ( $theme_file == 'style.css' ) {
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| 290 | $theme_files[] = $theme_dir . '/' . $theme_file;
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| 291 | $found_stylesheet = true;
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| 292 | break;
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| 293 | }
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| 294 | }
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| 295 | @closedir($stylish_dir);
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| 296 | if ( !$found_stylesheet ) { // look for themes in that dir
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| 297 | $subdir = "$theme_root/$theme_dir";
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| 298 | $subdir_name = $theme_dir;
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| 299 | $theme_subdir = @ opendir( $subdir );
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| 300 | while ( ($theme_dir = readdir($theme_subdir)) !== false ) {
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| 301 | if ( is_dir( $subdir . '/' . $theme_dir) && is_readable($subdir . '/' . $theme_dir) ) {
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| 302 | if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
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| 303 | continue;
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| 304 | $stylish_dir = @ opendir($subdir . '/' . $theme_dir);
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| 305 | $found_stylesheet = false;
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| 306 | while ( ($theme_file = readdir($stylish_dir)) !== false ) {
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| 307 | if ( $theme_file == 'style.css' ) {
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| 308 | $theme_files[] = $subdir_name . '/' . $theme_dir . '/' . $theme_file;
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| 309 | $found_stylesheet = true;
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| 310 | break;
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| 311 | }
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| 312 | }
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| 313 | @closedir($stylish_dir);
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| 314 | }
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| 315 | }
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| 316 | @closedir($theme_subdir);
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| 317 | $ts_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
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| 318 | }
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| 319 | }
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| 320 | }
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| 321 | @closedir($theme_dir);
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| 322 |
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| 323 | if ( !$themes_dir || !$theme_files )
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| 324 | return $themes;
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| 325 |
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| 326 | sort($theme_files);
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| 327 |
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| 328 | foreach ( (array) $theme_files as $theme_file ) {
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| 329 | if ( !is_readable("$theme_root/$theme_file") ) {
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| 330 | $ts_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.'));
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| 331 | continue;
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| 332 | }
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| 333 |
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| 334 | $name = dirname($theme_file);
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| 335 | $title = dirname($theme_file);
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| 336 | $template = trim(dirname($theme_file));
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| 337 | $stylesheet = dirname($theme_file);
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| 338 |
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| 339 | if ( !file_exists("$theme_root/$template/index.php") ) {
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| 340 | $parent_dir = dirname(dirname($theme_file));
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| 341 | if ( file_exists("$theme_root/$parent_dir/$template/index.php") ) {
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| 342 | $template = "$parent_dir/$template";
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| 343 | } else {
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| 344 | $ts_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
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| 345 | continue;
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| 346 | }
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| 347 | }
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| 348 |
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| 349 | // Check for theme name collision. This occurs if a theme is copied to
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| 350 | // a new theme directory and the theme header is not updated. Whichever
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| 351 | // theme is first keeps the name. Subsequent themes get a suffix applied.
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| 352 | // The Default and Classic themes always trump their pretenders.
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| 353 | if ( isset($themes[$name]) ) {
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| 354 | if ( ('default' == $name || 'classic' == $name) &&
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| 355 | ('default' == $stylesheet || 'classic' == $stylesheet) ) {
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| 356 | // If another theme has claimed to be one of our default themes, move
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| 357 | // them aside.
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| 358 | $suffix = $themes[$name]['Stylesheet'];
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| 359 | $new_name = "$name/$suffix";
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| 360 | $themes[$new_name] = $themes[$name];
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| 361 | $themes[$new_name]['Name'] = $new_name;
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| 362 | } else {
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| 363 | $name = "$name/$stylesheet";
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| 364 | }
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| 365 | }
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| 366 |
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| 367 | $themes[$name] = array('Name' => $name, 'Title' => $title, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Status' => 'publish');
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| 368 | }
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| 369 |
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| 370 | // Resolve theme dependencies.
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| 371 | $theme_names = array_keys($themes);
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| 372 |
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| 373 | foreach ( (array) $theme_names as $theme_name ) {
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| 374 | $themes[$theme_name]['Parent Theme'] = '';
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| 375 | if ( $themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template'] ) {
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| 376 | foreach ( (array) $theme_names as $parent_theme_name ) {
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| 377 | if ( ($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template']) ) {
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| 378 | $themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
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| 379 | break;
|
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| 380 | }
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| 381 | }
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| 382 | }
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| 383 | }
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| 384 |
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| 385 | $ts_themes = $themes;
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| 386 |
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| 387 | return $themes;
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| 388 | }
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| 389 |
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| 390 | // helper function to get the current theme/template from the database
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| 391 | function ts_get_current_theme() {
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| 392 | $themes = ts_get_all_themes();
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| 393 | $theme_names = array_keys($themes);
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| 394 | $current_template = get_option('template');
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| 395 | $current_stylesheet = get_option('stylesheet');
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| 396 |
|
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| 397 | // check the option for displaying full names or short names
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| 398 | $options = get_option('widget_themeswitcher');
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| 399 | $displayName = htmlspecialchars($options['displayName'], ENT_QUOTES);
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| 400 | if($displayName=='full')
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| 401 | $current_theme = 'WordPress Default';
|
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| 402 | else
|
|---|
| 403 | $current_theme = 'default';
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|---|
| 404 |
|
|---|
| 405 | if ( $themes ) {
|
|---|
| 406 | foreach ( (array) $theme_names as $theme_name ) {
|
|---|
| 407 | if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
|
|---|
| 408 | $themes[$theme_name]['Template'] == $current_template ) {
|
|---|
| 409 | $current_theme = $themes[$theme_name]['Name'];
|
|---|
| 410 | break;
|
|---|
| 411 | }
|
|---|
| 412 | }
|
|---|
| 413 | }
|
|---|
| 414 |
|
|---|
| 415 | return $current_theme;
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | // helper function to replace get_theme()
|
|---|
| 419 | function ts_get_one_theme($theme) {
|
|---|
| 420 | $themes = ts_get_all_themes();
|
|---|
| 421 |
|
|---|
| 422 | if ( array_key_exists($theme, $themes) )
|
|---|
| 423 | return $themes[$theme];
|
|---|
| 424 |
|
|---|
| 425 | return NULL;
|
|---|
| 426 | }
|
|---|
| 427 |
|
|---|
| 428 | ?>
|
|---|
