WordPress 3.4.2
[autoinstalls/wordpress.git] / wp-admin / includes / class-wp-themes-list-table.php
1 <?php
2 /**
3  * Themes List Table class.
4  *
5  * @package WordPress
6  * @subpackage List_Table
7  * @since 3.1.0
8  * @access private
9  */
10 class WP_Themes_List_Table extends WP_List_Table {
11
12         protected $search_terms = array();
13         var $features = array();
14
15         function __construct() {
16                 parent::__construct( array(
17                         'ajax' => true,
18                 ) );
19         }
20
21         function ajax_user_can() {
22                 // Do not check edit_theme_options here. AJAX calls for available themes require switch_themes.
23                 return current_user_can( 'switch_themes' );
24         }
25
26         function prepare_items() {
27                 $themes = wp_get_themes( array( 'allowed' => true ) );
28
29                 if ( ! empty( $_REQUEST['s'] ) )
30                         $this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( stripslashes( $_REQUEST['s'] ) ) ) ) ) );
31
32                 if ( ! empty( $_REQUEST['features'] ) )
33                         $this->features = $_REQUEST['features'];
34
35                 if ( $this->search_terms || $this->features ) {
36                         foreach ( $themes as $key => $theme ) {
37                                 if ( ! $this->search_theme( $theme ) )
38                                         unset( $themes[ $key ] );
39                         }
40                 }
41
42                 unset( $themes[ get_option( 'stylesheet' ) ] );
43                 WP_Theme::sort_by_name( $themes );
44
45                 $per_page = 999;
46                 $page = $this->get_pagenum();
47
48                 $start = ( $page - 1 ) * $per_page;
49
50                 $this->items = array_slice( $themes, $start, $per_page, true );
51
52                 $this->set_pagination_args( array(
53                         'total_items' => count( $themes ),
54                         'per_page' => $per_page,
55                         'infinite_scroll' => true,
56                 ) );
57         }
58
59         function no_items() {
60                 if ( $this->search_terms || $this->features ) {
61                         _e( 'No items found.' );
62                         return;
63                 }
64
65                 if ( is_multisite() ) {
66                         if ( current_user_can( 'install_themes' ) && current_user_can( 'manage_network_themes' ) ) {
67                                 printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $GLOBALS['blog_id'] ), network_admin_url( 'theme-install.php' ) );
68
69                                 return;
70                         } elseif ( current_user_can( 'manage_network_themes' ) ) {
71                                 printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $GLOBALS['blog_id'] ) );
72
73                                 return;
74                         }
75                         // else, fallthrough. install_themes doesn't help if you can't enable it.
76                 } else {
77                         if ( current_user_can( 'install_themes' ) ) {
78                                 printf( __( 'You only have one theme installed right now. Live a little! You can choose from over 1,000 free themes in the WordPress.org Theme Directory at any time: just click on the <a href="%s">Install Themes</a> tab above.' ), admin_url( 'theme-install.php' ) );
79
80                                 return;
81                         }
82                 }
83                 // Fallthrough.
84                 printf( __( 'Only the current theme is available to you. Contact the %s administrator for information about accessing additional themes.' ), get_site_option( 'site_name' ) );
85         }
86
87         function tablenav( $which = 'top' ) {
88                 if ( $this->get_pagination_arg( 'total_pages' ) <= 1 )
89                         return;
90                 ?>
91                 <div class="tablenav themes <?php echo $which; ?>">
92                         <?php $this->pagination( $which ); ?>
93                    <img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" class="ajax-loading list-ajax-loading" alt="" />
94                   <br class="clear" />
95                 </div>
96                 <?php
97         }
98
99         function display() {
100                 wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
101 ?>
102                 <?php $this->tablenav( 'top' ); ?>
103
104                 <div id="availablethemes">
105                         <?php $this->display_rows_or_placeholder(); ?>
106                 </div>
107
108                 <?php $this->tablenav( 'bottom' ); ?>
109 <?php
110         }
111
112         function get_columns() {
113                 return array();
114         }
115
116         function display_rows() {
117                 $themes = $this->items;
118
119                 foreach ( $themes as $theme ):
120                         ?><div class="available-theme"><?php
121
122                         $template   = $theme->get_template();
123                         $stylesheet = $theme->get_stylesheet();
124                         $title      = $theme->display('Name');
125                         $version    = $theme->display('Version');
126                         $author     = $theme->display('Author');
127
128                         $activate_link = wp_nonce_url( "themes.php?action=activate&amp;template=" . urlencode( $template ) . "&amp;stylesheet=" . urlencode( $stylesheet ), 'switch-theme_' . $stylesheet );
129
130                         $preview_link = esc_url( add_query_arg(
131                                 array( 'preview' => 1, 'template' => urlencode( $template ), 'stylesheet' => urlencode( $stylesheet ), 'preview_iframe' => true, 'TB_iframe' => 'true' ),
132                                 home_url( '/' ) ) );
133
134                         $actions = array();
135                         $actions['activate'] = '<a href="' . $activate_link . '" class="activatelink" title="'
136                                 . esc_attr( sprintf( __( 'Activate &#8220;%s&#8221;' ), $title ) ) . '">' . __( 'Activate' ) . '</a>';
137
138                         $actions['preview'] = '<a href="' . $preview_link . '" class="hide-if-customize" title="'
139                                 . esc_attr( sprintf( __( 'Preview &#8220;%s&#8221;' ), $title ) ) . '">' . __( 'Preview' ) . '</a>';
140
141                         if ( current_user_can( 'edit_theme_options' ) )
142                                 $actions['preview'] .= '<a href="' . wp_customize_url( $stylesheet ) . '" class="load-customize hide-if-no-customize">'
143                                         . __( 'Live Preview' ) . '</a>';
144
145                         if ( ! is_multisite() && current_user_can( 'delete_themes' ) )
146                                 $actions['delete'] = '<a class="submitdelete deletion" href="' . wp_nonce_url( "themes.php?action=delete&amp;stylesheet=$stylesheet", 'delete-theme_' . $stylesheet )
147                                         . '" onclick="' . "return confirm( '" . esc_js( sprintf( __( "You are about to delete this theme '%s'\n  'Cancel' to stop, 'OK' to delete." ), $title ) )
148                                         . "' );" . '">' . __( 'Delete' ) . '</a>';
149
150                         $actions       = apply_filters( 'theme_action_links', $actions, $theme );
151                         $delete_action = isset( $actions['delete'] ) ? '<div class="delete-theme">' . $actions['delete'] . '</div>' : '';
152                         unset( $actions['delete'] );
153
154                         ?>
155
156                         <a href="<?php echo $preview_link; ?>" class="screenshot hide-if-customize">
157                                 <?php if ( $screenshot = $theme->get_screenshot() ) : ?>
158                                         <img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
159                                 <?php endif; ?>
160                         </a>
161                         <a href="<?php echo wp_customize_url( $stylesheet ); ?>" class="screenshot load-customize hide-if-no-customize">
162                                 <?php if ( $screenshot = $theme->get_screenshot() ) : ?>
163                                         <img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
164                                 <?php endif; ?>
165                         </a>
166
167                         <h3><?php echo $title; ?></h3>
168                         <div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
169                         <div class="action-links">
170                                 <ul>
171                                         <?php foreach ( $actions as $action ): ?>
172                                                 <li><?php echo $action; ?></li>
173                                         <?php endforeach; ?>
174                                         <li class="hide-if-no-js"><a href="#" class="theme-detail" tabindex='4'><?php _e('Details') ?></a></li>
175                                 </ul>
176                                 <?php echo $delete_action; ?>
177
178                                 <?php theme_update_available( $theme ); ?>
179                         </div>
180
181                         <div class="themedetaildiv hide-if-js">
182                                 <p><strong><?php _e('Version: '); ?></strong><?php echo $version; ?></p>
183                                 <p><?php echo $theme->display('Description'); ?></p>
184                                 <?php if ( current_user_can( 'edit_themes' ) && $theme->parent() ) :
185                                         /* translators: 1: theme title, 2:  template dir, 3: stylesheet_dir, 4: theme title, 5: parent_theme */ ?>
186                                         <p><?php printf( __( 'The template files are located in <code>%2$s</code>. The stylesheet files are located in <code>%3$s</code>. <strong>%4$s</strong> uses templates from <strong>%5$s</strong>. Changes made to the templates will affect both themes.' ),
187                                                 $title, str_replace( WP_CONTENT_DIR, '', $theme->get_template_directory() ), str_replace( WP_CONTENT_DIR, '', $theme->get_stylesheet_directory() ), $title, $theme->parent()->display('Name') ); ?></p>
188                                 <?php else :
189                                                 /* translators: 1: theme title, 2:  template dir, 3: stylesheet_dir */ ?>
190                                         <p><?php printf( __( 'All of this theme&#8217;s files are located in <code>%2$s</code>.' ),
191                                                 $title, str_replace( WP_CONTENT_DIR, '', $theme->get_template_directory() ), str_replace( WP_CONTENT_DIR, '', $theme->get_stylesheet_directory() ) ); ?></p>
192                                 <?php endif; ?>
193                         </div>
194
195                         </div>
196                 <?php
197                 endforeach;
198         }
199
200         function search_theme( $theme ) {
201                 // Search the features
202                 foreach ( $this->features as $word ) {
203                         if ( ! in_array( $word, $theme->get('Tags') ) )
204                                 return false;
205                 }
206
207                 // Match all phrases
208                 foreach ( $this->search_terms as $word ) {
209                         if ( in_array( $word, $theme->get('Tags') ) )
210                                 continue;
211
212                         foreach ( array( 'Name', 'Description', 'Author', 'AuthorURI' ) as $header ) {
213                                 // Don't mark up; Do translate.
214                                 if ( false !== stripos( $theme->display( $header, false, true ), $word ) )
215                                         continue 2;
216                         }
217
218                         if ( false !== stripos( $theme->get_stylesheet(), $word ) )
219                                 continue;
220
221                         if ( false !== stripos( $theme->get_template(), $word ) )
222                                 continue;
223
224                         return false;
225                 }
226
227                 return true;
228         }
229
230         /**
231          * Send required variables to JavaScript land
232          *
233          * @since 3.4
234          * @access private
235          *
236          * @uses $this->features Array of all feature search terms.
237          * @uses get_pagenum()
238          * @uses _pagination_args['total_pages']
239          */
240          function _js_vars( $extra_args = array() ) {
241                 $search_string = isset( $_REQUEST['s'] ) ? esc_attr( stripslashes( $_REQUEST['s'] ) ) : '';
242
243                 $args = array(
244                         'search' => $search_string,
245                         'features' => $this->features,
246                         'paged' => $this->get_pagenum(),
247                         'total_pages' => ! empty( $this->_pagination_args['total_pages'] ) ? $this->_pagination_args['total_pages'] : 1,
248                 );
249
250                 if ( is_array( $extra_args ) )
251                         $args = array_merge( $args, $extra_args );
252
253                 printf( "<script type='text/javascript'>var theme_list_args = %s;</script>\n", json_encode( $args ) );
254                 parent::_js_vars();
255         }
256 }