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PHP Cross Reference of Wordpress 2.9.1 |
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1 <?php 2 3 /** 4 * Default Widgets 5 * 6 * @package WordPress 7 * @subpackage Widgets 8 */ 9 10 /** 11 * Pages widget class 12 * 13 * @since 2.8.0 14 */ 15 class WP_Widget_Pages extends WP_Widget { 16 17 function WP_Widget_Pages() { 18 $widget_ops = array('classname' => 'widget_pages', 'description' => __( 'Your blog’s WordPress Pages') ); 19 $this->WP_Widget('pages', __('Pages'), $widget_ops); 20 } 21 22 function widget( $args, $instance ) { 23 extract( $args ); 24 25 $title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Pages' ) : $instance['title']); 26 $sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby']; 27 $exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude']; 28 29 if ( $sortby == 'menu_order' ) 30 $sortby = 'menu_order, post_title'; 31 32 $out = wp_list_pages( apply_filters('widget_pages_args', array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude) ) ); 33 34 if ( !empty( $out ) ) { 35 echo $before_widget; 36 if ( $title) 37 echo $before_title . $title . $after_title; 38 ?> 39 <ul> 40 <?php echo $out; ?> 41 </ul> 42 <?php 43 echo $after_widget; 44 } 45 } 46 47 function update( $new_instance, $old_instance ) { 48 $instance = $old_instance; 49 $instance['title'] = strip_tags($new_instance['title']); 50 if ( in_array( $new_instance['sortby'], array( 'post_title', 'menu_order', 'ID' ) ) ) { 51 $instance['sortby'] = $new_instance['sortby']; 52 } else { 53 $instance['sortby'] = 'menu_order'; 54 } 55 56 $instance['exclude'] = strip_tags( $new_instance['exclude'] ); 57 58 return $instance; 59 } 60 61 function form( $instance ) { 62 //Defaults 63 $instance = wp_parse_args( (array) $instance, array( 'sortby' => 'post_title', 'title' => '', 'exclude' => '') ); 64 $title = esc_attr( $instance['title'] ); 65 $exclude = esc_attr( $instance['exclude'] ); 66 ?> 67 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p> 68 <p> 69 <label for="<?php echo $this->get_field_id('sortby'); ?>"><?php _e( 'Sort by:' ); ?></label> 70 <select name="<?php echo $this->get_field_name('sortby'); ?>" id="<?php echo $this->get_field_id('sortby'); ?>" class="widefat"> 71 <option value="post_title"<?php selected( $instance['sortby'], 'post_title' ); ?>><?php _e('Page title'); ?></option> 72 <option value="menu_order"<?php selected( $instance['sortby'], 'menu_order' ); ?>><?php _e('Page order'); ?></option> 73 <option value="ID"<?php selected( $instance['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option> 74 </select> 75 </p> 76 <p> 77 <label for="<?php echo $this->get_field_id('exclude'); ?>"><?php _e( 'Exclude:' ); ?></label> <input type="text" value="<?php echo $exclude; ?>" name="<?php echo $this->get_field_name('exclude'); ?>" id="<?php echo $this->get_field_id('exclude'); ?>" class="widefat" /> 78 <br /> 79 <small><?php _e( 'Page IDs, separated by commas.' ); ?></small> 80 </p> 81 <?php 82 } 83 84 } 85 86 /** 87 * Links widget class 88 * 89 * @since 2.8.0 90 */ 91 class WP_Widget_Links extends WP_Widget { 92 93 function WP_Widget_Links() { 94 $widget_ops = array('description' => __( "Your blogroll" ) ); 95 $this->WP_Widget('links', __('Links'), $widget_ops); 96 } 97 98 function widget( $args, $instance ) { 99 extract($args, EXTR_SKIP); 100 101 $show_description = isset($instance['description']) ? $instance['description'] : false; 102 $show_name = isset($instance['name']) ? $instance['name'] : false; 103 $show_rating = isset($instance['rating']) ? $instance['rating'] : false; 104 $show_images = isset($instance['images']) ? $instance['images'] : true; 105 $category = isset($instance['category']) ? $instance['category'] : false; 106 107 if ( is_admin() && !$category ) { 108 // Display All Links widget as such in the widgets screen 109 echo $before_widget . $before_title. __('All Links') . $after_title . $after_widget; 110 return; 111 } 112 113 $before_widget = preg_replace('/id="[^"]*"/','id="%id"', $before_widget); 114 wp_list_bookmarks(apply_filters('widget_links_args', array( 115 'title_before' => $before_title, 'title_after' => $after_title, 116 'category_before' => $before_widget, 'category_after' => $after_widget, 117 'show_images' => $show_images, 'show_description' => $show_description, 118 'show_name' => $show_name, 'show_rating' => $show_rating, 119 'category' => $category, 'class' => 'linkcat widget' 120 ))); 121 } 122 123 function update( $new_instance, $old_instance ) { 124 $new_instance = (array) $new_instance; 125 $instance = array( 'images' => 0, 'name' => 0, 'description' => 0, 'rating' => 0); 126 foreach ( $instance as $field => $val ) { 127 if ( isset($new_instance[$field]) ) 128 $instance[$field] = 1; 129 } 130 $instance['category'] = intval($new_instance['category']); 131 132 return $instance; 133 } 134 135 function form( $instance ) { 136 137 //Defaults 138 $instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false, 'category' => false ) ); 139 $link_cats = get_terms( 'link_category'); 140 ?> 141 <p> 142 <label for="<?php echo $this->get_field_id('category'); ?>" class="screen-reader-text"><?php _e('Select Link Category'); ?></label> 143 <select class="widefat" id="<?php echo $this->get_field_id('category'); ?>" name="<?php echo $this->get_field_name('category'); ?>"> 144 <option value=""><?php _e('All Links'); ?></option> 145 <?php 146 foreach ( $link_cats as $link_cat ) { 147 echo '<option value="' . intval($link_cat->term_id) . '"' 148 . ( $link_cat->term_id == $instance['category'] ? ' selected="selected"' : '' ) 149 . '>' . $link_cat->name . "</option>\n"; 150 } 151 ?> 152 </select></p> 153 <p> 154 <input class="checkbox" type="checkbox" <?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" /> 155 <label for="<?php echo $this->get_field_id('images'); ?>"><?php _e('Show Link Image'); ?></label><br /> 156 <input class="checkbox" type="checkbox" <?php checked($instance['name'], true) ?> id="<?php echo $this->get_field_id('name'); ?>" name="<?php echo $this->get_field_name('name'); ?>" /> 157 <label for="<?php echo $this->get_field_id('name'); ?>"><?php _e('Show Link Name'); ?></label><br /> 158 <input class="checkbox" type="checkbox" <?php checked($instance['description'], true) ?> id="<?php echo $this->get_field_id('description'); ?>" name="<?php echo $this->get_field_name('description'); ?>" /> 159 <label for="<?php echo $this->get_field_id('description'); ?>"><?php _e('Show Link Description'); ?></label><br /> 160 <input class="checkbox" type="checkbox" <?php checked($instance['rating'], true) ?> id="<?php echo $this->get_field_id('rating'); ?>" name="<?php echo $this->get_field_name('rating'); ?>" /> 161 <label for="<?php echo $this->get_field_id('rating'); ?>"><?php _e('Show Link Rating'); ?></label> 162 </p> 163 <?php 164 } 165 } 166 167 /** 168 * Search widget class 169 * 170 * @since 2.8.0 171 */ 172 class WP_Widget_Search extends WP_Widget { 173 174 function WP_Widget_Search() { 175 $widget_ops = array('classname' => 'widget_search', 'description' => __( "A search form for your blog") ); 176 $this->WP_Widget('search', __('Search'), $widget_ops); 177 } 178 179 function widget( $args, $instance ) { 180 extract($args); 181 $title = apply_filters('widget_title', $instance['title']); 182 183 echo $before_widget; 184 if ( $title ) 185 echo $before_title . $title . $after_title; 186 187 // Use current theme search form if it exists 188 get_search_form(); 189 190 echo $after_widget; 191 } 192 193 function form( $instance ) { 194 $instance = wp_parse_args( (array) $instance, array( 'title' => '') ); 195 $title = $instance['title']; 196 ?> 197 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></label></p> 198 <?php 199 } 200 201 function update( $new_instance, $old_instance ) { 202 $instance = $old_instance; 203 $new_instance = wp_parse_args((array) $new_instance, array( 'title' => '')); 204 $instance['title'] = strip_tags($new_instance['title']); 205 return $instance; 206 } 207 208 } 209 210 /** 211 * Archives widget class 212 * 213 * @since 2.8.0 214 */ 215 class WP_Widget_Archives extends WP_Widget { 216 217 function WP_Widget_Archives() { 218 $widget_ops = array('classname' => 'widget_archive', 'description' => __( 'A monthly archive of your blog’s posts') ); 219 $this->WP_Widget('archives', __('Archives'), $widget_ops); 220 } 221 222 function widget( $args, $instance ) { 223 extract($args); 224 $c = $instance['count'] ? '1' : '0'; 225 $d = $instance['dropdown'] ? '1' : '0'; 226 $title = apply_filters('widget_title', empty($instance['title']) ? __('Archives') : $instance['title']); 227 228 echo $before_widget; 229 if ( $title ) 230 echo $before_title . $title . $after_title; 231 232 if ( $d ) { 233 ?> 234 <select name="archive-dropdown" onchange='document.location.href=this.options[this.selectedIndex].value;'> <option value=""><?php echo esc_attr(__('Select Month')); ?></option> <?php wp_get_archives(apply_filters('widget_archives_dropdown_args', array('type' => 'monthly', 'format' => 'option', 'show_post_count' => $c))); ?> </select> 235 <?php 236 } else { 237 ?> 238 <ul> 239 <?php wp_get_archives(apply_filters('widget_archives_args', array('type' => 'monthly', 'show_post_count' => $c))); ?> 240 </ul> 241 <?php 242 } 243 244 echo $after_widget; 245 } 246 247 function update( $new_instance, $old_instance ) { 248 $instance = $old_instance; 249 $new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') ); 250 $instance['title'] = strip_tags($new_instance['title']); 251 $instance['count'] = $new_instance['count'] ? 1 : 0; 252 $instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0; 253 254 return $instance; 255 } 256 257 function form( $instance ) { 258 $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') ); 259 $title = strip_tags($instance['title']); 260 $count = $instance['count'] ? 'checked="checked"' : ''; 261 $dropdown = $instance['dropdown'] ? 'checked="checked"' : ''; 262 ?> 263 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p> 264 <p> 265 <input class="checkbox" type="checkbox" <?php echo $count; ?> id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" /> <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('Show post counts'); ?></label> 266 <br /> 267 <input class="checkbox" type="checkbox" <?php echo $dropdown; ?> id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>" /> <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e('Display as a drop down'); ?></label> 268 </p> 269 <?php 270 } 271 } 272 273 /** 274 * Meta widget class 275 * 276 * Displays log in/out, RSS feed links, etc. 277 * 278 * @since 2.8.0 279 */ 280 class WP_Widget_Meta extends WP_Widget { 281 282 function WP_Widget_Meta() { 283 $widget_ops = array('classname' => 'widget_meta', 'description' => __( "Log in/out, admin, feed and WordPress links") ); 284 $this->WP_Widget('meta', __('Meta'), $widget_ops); 285 } 286 287 function widget( $args, $instance ) { 288 extract($args); 289 $title = apply_filters('widget_title', empty($instance['title']) ? __('Meta') : $instance['title']); 290 291 echo $before_widget; 292 if ( $title ) 293 echo $before_title . $title . $after_title; 294 ?> 295 <ul> 296 <?php wp_register(); ?> 297 <li><?php wp_loginout(); ?></li> 298 <li><a href="<?php bloginfo('rss2_url'); ?>" title="<?php echo esc_attr(__('Syndicate this site using RSS 2.0')); ?>"><?php _e('Entries <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li> 299 <li><a href="<?php bloginfo('comments_rss2_url'); ?>" title="<?php echo esc_attr(__('The latest comments to all posts in RSS')); ?>"><?php _e('Comments <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li> 300 <li><a href="http://wordpress.org/" title="<?php echo esc_attr(__('Powered by WordPress, state-of-the-art semantic personal publishing platform.')); ?>">WordPress.org</a></li> 301 <?php wp_meta(); ?> 302 </ul> 303 <?php 304 echo $after_widget; 305 } 306 307 function update( $new_instance, $old_instance ) { 308 $instance = $old_instance; 309 $instance['title'] = strip_tags($new_instance['title']); 310 311 return $instance; 312 } 313 314 function form( $instance ) { 315 $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) ); 316 $title = strip_tags($instance['title']); 317 ?> 318 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p> 319 <?php 320 } 321 } 322 323 /** 324 * Calendar widget class 325 * 326 * @since 2.8.0 327 */ 328 class WP_Widget_Calendar extends WP_Widget { 329 330 function WP_Widget_Calendar() { 331 $widget_ops = array('classname' => 'widget_calendar', 'description' => __( 'A calendar of your blog’s posts') ); 332 $this->WP_Widget('calendar', __('Calendar'), $widget_ops); 333 } 334 335 function widget( $args, $instance ) { 336 extract($args); 337 $title = apply_filters('widget_title', empty($instance['title']) ? ' ' : $instance['title']); 338 echo $before_widget; 339 if ( $title ) 340 echo $before_title . $title . $after_title; 341 echo '<div id="calendar_wrap">'; 342 get_calendar(); 343 echo '</div>'; 344 echo $after_widget; 345 } 346 347 function update( $new_instance, $old_instance ) { 348 $instance = $old_instance; 349 $instance['title'] = strip_tags($new_instance['title']); 350 351 return $instance; 352 } 353 354 function form( $instance ) { 355 $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) ); 356 $title = strip_tags($instance['title']); 357 ?> 358 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> 359 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p> 360 <?php 361 } 362 } 363 364 /** 365 * Text widget class 366 * 367 * @since 2.8.0 368 */ 369 class WP_Widget_Text extends WP_Widget { 370 371 function WP_Widget_Text() { 372 $widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text or HTML')); 373 $control_ops = array('width' => 400, 'height' => 350); 374 $this->WP_Widget('text', __('Text'), $widget_ops, $control_ops); 375 } 376 377 function widget( $args, $instance ) { 378 extract($args); 379 $title = apply_filters( 'widget_title', empty($instance['title']) ? '' : $instance['title'], $instance ); 380 $text = apply_filters( 'widget_text', $instance['text'], $instance ); 381 echo $before_widget; 382 if ( !empty( $title ) ) { echo $before_title . $title . $after_title; } ?> 383 <div class="textwidget"><?php echo $instance['filter'] ? wpautop($text) : $text; ?></div> 384 <?php 385 echo $after_widget; 386 } 387 388 function update( $new_instance, $old_instance ) { 389 $instance = $old_instance; 390 $instance['title'] = strip_tags($new_instance['title']); 391 if ( current_user_can('unfiltered_html') ) 392 $instance['text'] = $new_instance['text']; 393 else 394 $instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed 395 $instance['filter'] = isset($new_instance['filter']); 396 return $instance; 397 } 398 399 function form( $instance ) { 400 $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) ); 401 $title = strip_tags($instance['title']); 402 $text = format_to_edit($instance['text']); 403 ?> 404 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> 405 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p> 406 407 <textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo $text; ?></textarea> 408 409 <p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked(isset($instance['filter']) ? $instance['filter'] : 0); ?> /> <label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs.'); ?></label></p> 410 <?php 411 } 412 } 413 414 /** 415 * Categories widget class 416 * 417 * @since 2.8.0 418 */ 419 class WP_Widget_Categories extends WP_Widget { 420 421 function WP_Widget_Categories() { 422 $widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "A list or dropdown of categories" ) ); 423 $this->WP_Widget('categories', __('Categories'), $widget_ops); 424 } 425 426 function widget( $args, $instance ) { 427 extract( $args ); 428 429 $title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title']); 430 $c = $instance['count'] ? '1' : '0'; 431 $h = $instance['hierarchical'] ? '1' : '0'; 432 $d = $instance['dropdown'] ? '1' : '0'; 433 434 echo $before_widget; 435 if ( $title ) 436 echo $before_title . $title . $after_title; 437 438 $cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h); 439 440 if ( $d ) { 441 $cat_args['show_option_none'] = __('Select Category'); 442 wp_dropdown_categories(apply_filters('widget_categories_dropdown_args', $cat_args)); 443 ?> 444 445 <script type='text/javascript'> 446 /* <![CDATA[ */ 447 var dropdown = document.getElementById("cat"); 448 function onCatChange() { 449 if ( dropdown.options[dropdown.selectedIndex].value > 0 ) { 450 location.href = "<?php echo get_option('home'); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value; 451 } 452 } 453 dropdown.onchange = onCatChange; 454 /* ]]> */ 455 </script> 456 457 <?php 458 } else { 459 ?> 460 <ul> 461 <?php 462 $cat_args['title_li'] = ''; 463 wp_list_categories(apply_filters('widget_categories_args', $cat_args)); 464 ?> 465 </ul> 466 <?php 467 } 468 469 echo $after_widget; 470 } 471 472 function update( $new_instance, $old_instance ) { 473 $instance = $old_instance; 474 $instance['title'] = strip_tags($new_instance['title']); 475 $instance['count'] = $new_instance['count'] ? 1 : 0; 476 $instance['hierarchical'] = $new_instance['hierarchical'] ? 1 : 0; 477 $instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0; 478 479 return $instance; 480 } 481 482 function form( $instance ) { 483 //Defaults 484 $instance = wp_parse_args( (array) $instance, array( 'title' => '') ); 485 $title = esc_attr( $instance['title'] ); 486 $count = isset($instance['count']) ? (bool) $instance['count'] :false; 487 $hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false; 488 $dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false; 489 ?> 490 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:' ); ?></label> 491 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p> 492 493 <p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> /> 494 <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Show as dropdown' ); ?></label><br /> 495 496 <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> /> 497 <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br /> 498 499 <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> /> 500 <label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p> 501 <?php 502 } 503 504 } 505 506 /** 507 * Recent_Posts widget class 508 * 509 * @since 2.8.0 510 */ 511 class WP_Widget_Recent_Posts extends WP_Widget { 512 513 function WP_Widget_Recent_Posts() { 514 $widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your blog") ); 515 $this->WP_Widget('recent-posts', __('Recent Posts'), $widget_ops); 516 $this->alt_option_name = 'widget_recent_entries'; 517 518 add_action( 'save_post', array(&$this, 'flush_widget_cache') ); 519 add_action( 'deleted_post', array(&$this, 'flush_widget_cache') ); 520 add_action( 'switch_theme', array(&$this, 'flush_widget_cache') ); 521 } 522 523 function widget($args, $instance) { 524 $cache = wp_cache_get('widget_recent_posts', 'widget'); 525 526 if ( !is_array($cache) ) 527 $cache = array(); 528 529 if ( isset($cache[$args['widget_id']]) ) { 530 echo $cache[$args['widget_id']]; 531 return; 532 } 533 534 ob_start(); 535 extract($args); 536 537 $title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title']); 538 if ( !$number = (int) $instance['number'] ) 539 $number = 10; 540 else if ( $number < 1 ) 541 $number = 1; 542 else if ( $number > 15 ) 543 $number = 15; 544 545 $r = new WP_Query(array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'caller_get_posts' => 1)); 546 if ($r->have_posts()) : 547 ?> 548 <?php echo $before_widget; ?> 549 <?php if ( $title ) echo $before_title . $title . $after_title; ?> 550 <ul> 551 <?php while ($r->have_posts()) : $r->the_post(); ?> 552 <li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?> </a></li> 553 <?php endwhile; ?> 554 </ul> 555 <?php echo $after_widget; ?> 556 <?php 557 wp_reset_query(); // Restore global post data stomped by the_post(). 558 endif; 559 560 $cache[$args['widget_id']] = ob_get_flush(); 561 wp_cache_add('widget_recent_posts', $cache, 'widget'); 562 } 563 564 function update( $new_instance, $old_instance ) { 565 $instance = $old_instance; 566 $instance['title'] = strip_tags($new_instance['title']); 567 $instance['number'] = (int) $new_instance['number']; 568 $this->flush_widget_cache(); 569 570 $alloptions = wp_cache_get( 'alloptions', 'options' ); 571 if ( isset($alloptions['widget_recent_entries']) ) 572 delete_option('widget_recent_entries'); 573 574 return $instance; 575 } 576 577 function flush_widget_cache() { 578 wp_cache_delete('widget_recent_posts', 'widget'); 579 } 580 581 function form( $instance ) { 582 $title = isset($instance['title']) ? esc_attr($instance['title']) : ''; 583 if ( !isset($instance['number']) || !$number = (int) $instance['number'] ) 584 $number = 5; 585 ?> 586 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> 587 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p> 588 589 <p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of posts to show:'); ?></label> 590 <input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /><br /> 591 <small><?php _e('(at most 15)'); ?></small></p> 592 <?php 593 } 594 } 595 596 /** 597 * Recent_Comments widget class 598 * 599 * @since 2.8.0 600 */ 601 class WP_Widget_Recent_Comments extends WP_Widget { 602 603 function WP_Widget_Recent_Comments() { 604 $widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'The most recent comments' ) ); 605 $this->WP_Widget('recent-comments', __('Recent Comments'), $widget_ops); 606 $this->alt_option_name = 'widget_recent_comments'; 607 608 if ( is_active_widget(false, false, $this->id_base) ) 609 add_action( 'wp_head', array(&$this, 'recent_comments_style') ); 610 611 add_action( 'comment_post', array(&$this, 'flush_widget_cache') ); 612 add_action( 'transition_comment_status', array(&$this, 'flush_widget_cache') ); 613 } 614 615 function recent_comments_style() { ?> 616 <style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style> 617 <?php 618 } 619 620 function flush_widget_cache() { 621 wp_cache_delete('recent_comments', 'widget'); 622 } 623 624 function widget( $args, $instance ) { 625 global $wpdb, $comments, $comment; 626 627 extract($args, EXTR_SKIP); 628 $title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Comments') : $instance['title']); 629 if ( !$number = (int) $instance['number'] ) 630 $number = 5; 631 else if ( $number < 1 ) 632 $number = 1; 633 else if ( $number > 15 ) 634 $number = 15; 635 636 if ( !$comments = wp_cache_get( 'recent_comments', 'widget' ) ) { 637 $comments = $wpdb->get_results("SELECT $wpdb->comments.* FROM $wpdb->comments JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID WHERE comment_approved = '1' AND post_status = 'publish' ORDER BY comment_date_gmt DESC LIMIT 15"); 638 wp_cache_add( 'recent_comments', $comments, 'widget' ); 639 } 640 641 $comments = array_slice( (array) $comments, 0, $number ); 642 ?> 643 <?php echo $before_widget; ?> 644 <?php if ( $title ) echo $before_title . $title . $after_title; ?> 645 <ul id="recentcomments"><?php 646 if ( $comments ) : foreach ( (array) $comments as $comment) : 647 echo '<li class="recentcomments">' . /* translators: comments widget: 1: comment author, 2: post link */ sprintf(_x('%1$s on %2$s', 'widgets'), get_comment_author_link(), '<a href="' . esc_url( get_comment_link($comment->comment_ID) ) . '">' . get_the_title($comment->comment_post_ID) . '</a>') . '</li>'; 648 endforeach; endif;?></ul> 649 <?php echo $after_widget; ?> 650 <?php 651 } 652 653 function update( $new_instance, $old_instance ) { 654 $instance = $old_instance; 655 $instance['title'] = strip_tags($new_instance['title']); 656 $instance['number'] = (int) $new_instance['number']; 657 $this->flush_widget_cache(); 658 659 $alloptions = wp_cache_get( 'alloptions', 'options' ); 660 if ( isset($alloptions['widget_recent_comments']) ) 661 delete_option('widget_recent_comments'); 662 663 return $instance; 664 } 665 666 function form( $instance ) { 667 $title = isset($instance['title']) ? esc_attr($instance['title']) : ''; 668 $number = isset($instance['number']) ? absint($instance['number']) : 5; 669 ?> 670 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> 671 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p> 672 673 <p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of comments to show:'); ?></label> 674 <input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /><br /> 675 <small><?php _e('(at most 15)'); ?></small></p> 676 <?php 677 } 678 } 679 680 /** 681 * RSS widget class 682 * 683 * @since 2.8.0 684 */ 685 class WP_Widget_RSS extends WP_Widget { 686 687 function WP_Widget_RSS() { 688 $widget_ops = array( 'description' => __('Entries from any RSS or Atom feed') ); 689 $control_ops = array( 'width' => 400, 'height' => 200 ); 690 $this->WP_Widget( 'rss', __('RSS'), $widget_ops, $control_ops ); 691 } 692 693 function widget($args, $instance) { 694 695 if ( isset($instance['error']) && $instance['error'] ) 696 return; 697 698 extract($args, EXTR_SKIP); 699 700 $url = $instance['url']; 701 while ( stristr($url, 'http') != $url ) 702 $url = substr($url, 1); 703 704 if ( empty($url) ) 705 return; 706 707 $rss = fetch_feed($url); 708 $title = $instance['title']; 709 $desc = ''; 710 $link = ''; 711 712 if ( ! is_wp_error($rss) ) { 713 $desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset')))); 714 if ( empty($title) ) 715 $title = esc_html(strip_tags($rss->get_title())); 716 $link = esc_url(strip_tags($rss->get_permalink())); 717 while ( stristr($link, 'http') != $link ) 718 $link = substr($link, 1); 719 } 720 721 if ( empty($title) ) 722 $title = empty($desc) ? __('Unknown Feed') : $desc; 723 724 $title = apply_filters('widget_title', $title ); 725 $url = esc_url(strip_tags($url)); 726 $icon = includes_url('images/rss.png'); 727 if ( $title ) 728 $title = "<a class='rsswidget' href='$url' title='" . esc_attr(__('Syndicate this content')) ."'><img style='background:orange;color:white;border:none;' width='14' height='14' src='$icon' alt='RSS' /></a> <a class='rsswidget' href='$link' title='$desc'>$title</a>"; 729 730 echo $before_widget; 731 if ( $title ) 732 echo $before_title . $title . $after_title; 733 wp_widget_rss_output( $rss, $instance ); 734 echo $after_widget; 735 736 if ( ! is_wp_error($rss) ) 737 $rss->__destruct(); 738 unset($rss); 739 } 740 741 function update($new_instance, $old_instance) { 742 $testurl = $new_instance['url'] != $old_instance['url']; 743 return wp_widget_rss_process( $new_instance, $testurl ); 744 } 745 746 function form($instance) { 747 748 if ( empty($instance) ) 749 $instance = array( 'title' => '', 'url' => '', 'items' => 10, 'error' => false, 'show_summary' => 0, 'show_author' => 0, 'show_date' => 0 ); 750 $instance['number'] = $this->number; 751 752 wp_widget_rss_form( $instance ); 753 } 754 } 755 756 /** 757 * Display the RSS entries in a list. 758 * 759 * @since 2.5.0 760 * 761 * @param string|array|object $rss RSS url. 762 * @param array $args Widget arguments. 763 */ 764 function wp_widget_rss_output( $rss, $args = array() ) { 765 if ( is_string( $rss ) ) { 766 $rss = fetch_feed($rss); 767 } elseif ( is_array($rss) && isset($rss['url']) ) { 768 $args = $rss; 769 $rss = fetch_feed($rss['url']); 770 } elseif ( !is_object($rss) ) { 771 return; 772 } 773 774 if ( is_wp_error($rss) ) { 775 if ( is_admin() || current_user_can('manage_options') ) 776 echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), $rss->get_error_message() ) . '</p>'; 777 return; 778 } 779 780 $default_args = array( 'show_author' => 0, 'show_date' => 0, 'show_summary' => 0 ); 781 $args = wp_parse_args( $args, $default_args ); 782 extract( $args, EXTR_SKIP ); 783 784 $items = (int) $items; 785 if ( $items < 1 || 20 < $items ) 786 $items = 10; 787 $show_summary = (int) $show_summary; 788 $show_author = (int) $show_author; 789 $show_date = (int) $show_date; 790 791 if ( !$rss->get_item_quantity() ) { 792 echo '<ul><li>' . __( 'An error has occurred; the feed is probably down. Try again later.' ) . '</li></ul>'; 793 $rss->__destruct(); 794 unset($rss); 795 return; 796 } 797 798 echo '<ul>'; 799 foreach ( $rss->get_items(0, $items) as $item ) { 800 $link = $item->get_link(); 801 while ( stristr($link, 'http') != $link ) 802 $link = substr($link, 1); 803 $link = esc_url(strip_tags($link)); 804 $title = esc_attr(strip_tags($item->get_title())); 805 if ( empty($title) ) 806 $title = __('Untitled'); 807 808 $desc = str_replace(array("\n", "\r"), ' ', esc_attr(strip_tags(@html_entity_decode($item->get_description(), ENT_QUOTES, get_option('blog_charset'))))); 809 $desc = wp_html_excerpt( $desc, 360 ) . ' […]'; 810 $desc = esc_html( $desc ); 811 812 if ( $show_summary ) { 813 $summary = "<div class='rssSummary'>$desc</div>"; 814 } else { 815 $summary = ''; 816 } 817 818 $date = ''; 819 if ( $show_date ) { 820 $date = $item->get_date(); 821 822 if ( $date ) { 823 if ( $date_stamp = strtotime( $date ) ) 824 $date = ' <span class="rss-date">' . date_i18n( get_option( 'date_format' ), $date_stamp ) . '</span>'; 825 else 826 $date = ''; 827 } 828 } 829 830 $author = ''; 831 if ( $show_author ) { 832 $author = $item->get_author(); 833 if ( is_object($author) ) { 834 $author = $author->get_name(); 835 $author = ' <cite>' . esc_html( strip_tags( $author ) ) . '</cite>'; 836 } 837 } 838 839 if ( $link == '' ) { 840 echo "<li>$title{$date}{$summary}{$author}</li>"; 841 } else { 842 echo "<li><a class='rsswidget' href='$link' title='$desc'>$title</a>{$date}{$summary}{$author}</li>"; 843 } 844 } 845 echo '</ul>'; 846 $rss->__destruct(); 847 unset($rss); 848 } 849 850 851 852 /** 853 * Display RSS widget options form. 854 * 855 * The options for what fields are displayed for the RSS form are all booleans 856 * and are as follows: 'url', 'title', 'items', 'show_summary', 'show_author', 857 * 'show_date'. 858 * 859 * @since 2.5.0 860 * 861 * @param array|string $args Values for input fields. 862 * @param array $inputs Override default display options. 863 */ 864 function wp_widget_rss_form( $args, $inputs = null ) { 865 866 $default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true ); 867 $inputs = wp_parse_args( $inputs, $default_inputs ); 868 extract( $args ); 869 extract( $inputs, EXTR_SKIP); 870 871 $number = esc_attr( $number ); 872 $title = esc_attr( $title ); 873 $url = esc_url( $url ); 874 $items = (int) $items; 875 if ( $items < 1 || 20 < $items ) 876 $items = 10; 877 $show_summary = (int) $show_summary; 878 $show_author = (int) $show_author; 879 $show_date = (int) $show_date; 880 881 if ( !empty($error) ) 882 echo '<p class="widget-error"><strong>' . sprintf( __('RSS Error: %s'), $error) . '</strong></p>'; 883 884 if ( $inputs['url'] ) : 885 ?> 886 <p><label for="rss-url-<?php echo $number; ?>"><?php _e('Enter the RSS feed URL here:'); ?></label> 887 <input class="widefat" id="rss-url-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][url]" type="text" value="<?php echo $url; ?>" /></p> 888 <?php endif; if ( $inputs['title'] ) : ?> 889 <p><label for="rss-title-<?php echo $number; ?>"><?php _e('Give the feed a title (optional):'); ?></label> 890 <input class="widefat" id="rss-title-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" /></p> 891 <?php endif; if ( $inputs['items'] ) : ?> 892 <p><label for="rss-items-<?php echo $number; ?>"><?php _e('How many items would you like to display?'); ?></label> 893 <select id="rss-items-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][items]"> 894 <?php 895 for ( $i = 1; $i <= 20; ++$i ) 896 echo "<option value='$i' " . ( $items == $i ? "selected='selected'" : '' ) . ">$i</option>"; 897 ?> 898 </select></p> 899 <?php endif; if ( $inputs['show_summary'] ) : ?> 900 <p><input id="rss-show-summary-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_summary]" type="checkbox" value="1" <?php if ( $show_summary ) echo 'checked="checked"'; ?>/> 901 <label for="rss-show-summary-<?php echo $number; ?>"><?php _e('Display item content?'); ?></label></p> 902 <?php endif; if ( $inputs['show_author'] ) : ?> 903 <p><input id="rss-show-author-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_author]" type="checkbox" value="1" <?php if ( $show_author ) echo 'checked="checked"'; ?>/> 904 <label for="rss-show-author-<?php echo $number; ?>"><?php _e('Display item author if available?'); ?></label></p> 905 <?php endif; if ( $inputs['show_date'] ) : ?> 906 <p><input id="rss-show-date-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_date]" type="checkbox" value="1" <?php if ( $show_date ) echo 'checked="checked"'; ?>/> 907 <label for="rss-show-date-<?php echo $number; ?>"><?php _e('Display item date?'); ?></label></p> 908 <?php 909 endif; 910 foreach ( array_keys($default_inputs) as $input ) : 911 if ( 'hidden' === $inputs[$input] ) : 912 $id = str_replace( '_', '-', $input ); 913 ?> 914 <input type="hidden" id="rss-<?php echo $id; ?>-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][<?php echo $input; ?>]" value="<?php echo $$input; ?>" /> 915 <?php 916 endif; 917 endforeach; 918 } 919 920 /** 921 * Process RSS feed widget data and optionally retrieve feed items. 922 * 923 * The feed widget can not have more than 20 items or it will reset back to the 924 * default, which is 10. 925 * 926 * The resulting array has the feed title, feed url, feed link (from channel), 927 * feed items, error (if any), and whether to show summary, author, and date. 928 * All respectively in the order of the array elements. 929 * 930 * @since 2.5.0 931 * 932 * @param array $widget_rss RSS widget feed data. Expects unescaped data. 933 * @param bool $check_feed Optional, default is true. Whether to check feed for errors. 934 * @return array 935 */ 936 function wp_widget_rss_process( $widget_rss, $check_feed = true ) { 937 $items = (int) $widget_rss['items']; 938 if ( $items < 1 || 20 < $items ) 939 $items = 10; 940 $url = esc_url_raw(strip_tags( $widget_rss['url'] )); 941 $title = trim(strip_tags( $widget_rss['title'] )); 942 $show_summary = (int) $widget_rss['show_summary']; 943 $show_author = (int) $widget_rss['show_author']; 944 $show_date = (int) $widget_rss['show_date']; 945 946 if ( $check_feed ) { 947 $rss = fetch_feed($url); 948 $error = false; 949 $link = ''; 950 if ( is_wp_error($rss) ) { 951 $error = $rss->get_error_message(); 952 } else { 953 $link = esc_url(strip_tags($rss->get_permalink())); 954 while ( stristr($link, 'http') != $link ) 955 $link = substr($link, 1); 956 957 $rss->__destruct(); 958 unset($rss); 959 } 960 } 961 962 return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' ); 963 } 964 965 /** 966 * Tag cloud widget class 967 * 968 * @since 2.8.0 969 */ 970 class WP_Widget_Tag_Cloud extends WP_Widget { 971 972 function WP_Widget_Tag_Cloud() { 973 $widget_ops = array( 'description' => __( "Your most used tags in cloud format") ); 974 $this->WP_Widget('tag_cloud', __('Tag Cloud'), $widget_ops); 975 } 976 977 function widget( $args, $instance ) { 978 extract($args); 979 $title = apply_filters('widget_title', empty($instance['title']) ? __('Tags') : $instance['title']); 980 981 echo $before_widget; 982 if ( $title ) 983 echo $before_title . $title . $after_title; 984 echo '<div>'; 985 wp_tag_cloud(apply_filters('widget_tag_cloud_args', array())); 986 echo "</div>\n"; 987 echo $after_widget; 988 } 989 990 function update( $new_instance, $old_instance ) { 991 $instance['title'] = strip_tags(stripslashes($new_instance['title'])); 992 return $instance; 993 } 994 995 function form( $instance ) { 996 ?> 997 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label> 998 <input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php if (isset ( $instance['title'])) {echo esc_attr( $instance['title'] );} ?>" /></p> 999 <?php 1000 } 1001 } 1002 1003 /** 1004 * Register all of the default WordPress widgets on startup. 1005 * 1006 * Calls 'widgets_init' action after all of the WordPress widgets have been 1007 * registered. 1008 * 1009 * @since 2.2.0 1010 */ 1011 function wp_widgets_init() { 1012 if ( !is_blog_installed() ) 1013 return; 1014 1015 register_widget('WP_Widget_Pages'); 1016 1017 register_widget('WP_Widget_Calendar'); 1018 1019 register_widget('WP_Widget_Archives'); 1020 1021 register_widget('WP_Widget_Links'); 1022 1023 register_widget('WP_Widget_Meta'); 1024 1025 register_widget('WP_Widget_Search'); 1026 1027 register_widget('WP_Widget_Text'); 1028 1029 register_widget('WP_Widget_Categories'); 1030 1031 register_widget('WP_Widget_Recent_Posts'); 1032 1033 register_widget('WP_Widget_Recent_Comments'); 1034 1035 register_widget('WP_Widget_RSS'); 1036 1037 register_widget('WP_Widget_Tag_Cloud'); 1038 1039 do_action('widgets_init'); 1040 } 1041 1042 add_action('init', 'wp_widgets_init', 1);
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| Generated: Fri Jan 8 00:19:48 2010 | Cross-referenced by PHPXref 0.7 |