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/wp-includes/default-widgets.php

https://bitbucket.org/abnopanda/wordpress
PHP | 1201 lines | 873 code | 197 blank | 131 comment | 125 complexity | 414a65874953f32cc0111ded785bd301 MD5 | raw file
   1<?php
   2/**
   3 * Default Widgets
   4 *
   5 * @package WordPress
   6 * @subpackage Widgets
   7 */
   8
   9/**
  10 * Pages widget class
  11 *
  12 * @since 2.8.0
  13 */
  14class WP_Widget_Pages extends WP_Widget {
  15
  16	function __construct() {
  17		$widget_ops = array('classname' => 'widget_pages', 'description' => __( 'Your site&#8217;s WordPress Pages') );
  18		parent::__construct('pages', __('Pages'), $widget_ops);
  19	}
  20
  21	function widget( $args, $instance ) {
  22		extract( $args );
  23
  24		$title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Pages' ) : $instance['title'], $instance, $this->id_base);
  25		$sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby'];
  26		$exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
  27
  28		if ( $sortby == 'menu_order' )
  29			$sortby = 'menu_order, post_title';
  30
  31		$out = wp_list_pages( apply_filters('widget_pages_args', array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude) ) );
  32
  33		if ( !empty( $out ) ) {
  34			echo $before_widget;
  35			if ( $title)
  36				echo $before_title . $title . $after_title;
  37		?>
  38		<ul>
  39			<?php echo $out; ?>
  40		</ul>
  41		<?php
  42			echo $after_widget;
  43		}
  44	}
  45
  46	function update( $new_instance, $old_instance ) {
  47		$instance = $old_instance;
  48		$instance['title'] = strip_tags($new_instance['title']);
  49		if ( in_array( $new_instance['sortby'], array( 'post_title', 'menu_order', 'ID' ) ) ) {
  50			$instance['sortby'] = $new_instance['sortby'];
  51		} else {
  52			$instance['sortby'] = 'menu_order';
  53		}
  54
  55		$instance['exclude'] = strip_tags( $new_instance['exclude'] );
  56
  57		return $instance;
  58	}
  59
  60	function form( $instance ) {
  61		//Defaults
  62		$instance = wp_parse_args( (array) $instance, array( 'sortby' => 'post_title', 'title' => '', 'exclude' => '') );
  63		$title = esc_attr( $instance['title'] );
  64		$exclude = esc_attr( $instance['exclude'] );
  65	?>
  66		<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>
  67		<p>
  68			<label for="<?php echo $this->get_field_id('sortby'); ?>"><?php _e( 'Sort by:' ); ?></label>
  69			<select name="<?php echo $this->get_field_name('sortby'); ?>" id="<?php echo $this->get_field_id('sortby'); ?>" class="widefat">
  70				<option value="post_title"<?php selected( $instance['sortby'], 'post_title' ); ?>><?php _e('Page title'); ?></option>
  71				<option value="menu_order"<?php selected( $instance['sortby'], 'menu_order' ); ?>><?php _e('Page order'); ?></option>
  72				<option value="ID"<?php selected( $instance['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option>
  73			</select>
  74		</p>
  75		<p>
  76			<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" />
  77			<br />
  78			<small><?php _e( 'Page IDs, separated by commas.' ); ?></small>
  79		</p>
  80<?php
  81	}
  82
  83}
  84
  85/**
  86 * Links widget class
  87 *
  88 * @since 2.8.0
  89 */
  90class WP_Widget_Links extends WP_Widget {
  91
  92	function __construct() {
  93		$widget_ops = array('description' => __( "Your blogroll" ) );
  94		parent::__construct('links', __('Links'), $widget_ops);
  95	}
  96
  97	function widget( $args, $instance ) {
  98		extract($args, EXTR_SKIP);
  99
 100		$show_description = isset($instance['description']) ? $instance['description'] : false;
 101		$show_name = isset($instance['name']) ? $instance['name'] : false;
 102		$show_rating = isset($instance['rating']) ? $instance['rating'] : false;
 103		$show_images = isset($instance['images']) ? $instance['images'] : true;
 104		$category = isset($instance['category']) ? $instance['category'] : false;
 105		$orderby = isset( $instance['orderby'] ) ? $instance['orderby'] : 'name';
 106		$order = $orderby == 'rating' ? 'DESC' : 'ASC';
 107		$limit = isset( $instance['limit'] ) ? $instance['limit'] : -1;
 108
 109		$before_widget = preg_replace('/id="[^"]*"/','id="%id"', $before_widget);
 110		wp_list_bookmarks(apply_filters('widget_links_args', array(
 111			'title_before' => $before_title, 'title_after' => $after_title,
 112			'category_before' => $before_widget, 'category_after' => $after_widget,
 113			'show_images' => $show_images, 'show_description' => $show_description,
 114			'show_name' => $show_name, 'show_rating' => $show_rating,
 115			'category' => $category, 'class' => 'linkcat widget',
 116			'orderby' => $orderby, 'order' => $order,
 117			'limit' => $limit,
 118		)));
 119	}
 120
 121	function update( $new_instance, $old_instance ) {
 122		$new_instance = (array) $new_instance;
 123		$instance = array( 'images' => 0, 'name' => 0, 'description' => 0, 'rating' => 0 );
 124		foreach ( $instance as $field => $val ) {
 125			if ( isset($new_instance[$field]) )
 126				$instance[$field] = 1;
 127		}
 128
 129		$instance['orderby'] = 'name';
 130		if ( in_array( $new_instance['orderby'], array( 'name', 'rating', 'id', 'rand' ) ) )
 131			$instance['orderby'] = $new_instance['orderby'];
 132
 133		$instance['category'] = intval( $new_instance['category'] );
 134		$instance['limit'] = ! empty( $new_instance['limit'] ) ? intval( $new_instance['limit'] ) : -1;
 135
 136		return $instance;
 137	}
 138
 139	function form( $instance ) {
 140
 141		//Defaults
 142		$instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false, 'category' => false, 'orderby' => 'name', 'limit' => -1 ) );
 143		$link_cats = get_terms( 'link_category' );
 144		if ( ! $limit = intval( $instance['limit'] ) )
 145			$limit = -1;
 146?>
 147		<p>
 148		<label for="<?php echo $this->get_field_id('category'); ?>"><?php _e( 'Select Link Category:' ); ?></label>
 149		<select class="widefat" id="<?php echo $this->get_field_id('category'); ?>" name="<?php echo $this->get_field_name('category'); ?>">
 150		<option value=""><?php _ex('All Links', 'links widget'); ?></option>
 151		<?php
 152		foreach ( $link_cats as $link_cat ) {
 153			echo '<option value="' . intval( $link_cat->term_id ) . '"'
 154				. selected( $instance['category'], $link_cat->term_id, false )
 155				. '>' . $link_cat->name . "</option>\n";
 156		}
 157		?>
 158		</select>
 159		<label for="<?php echo $this->get_field_id('orderby'); ?>"><?php _e( 'Sort by:' ); ?></label>
 160		<select name="<?php echo $this->get_field_name('orderby'); ?>" id="<?php echo $this->get_field_id('orderby'); ?>" class="widefat">
 161			<option value="name"<?php selected( $instance['orderby'], 'name' ); ?>><?php _e( 'Link title' ); ?></option>
 162			<option value="rating"<?php selected( $instance['orderby'], 'rating' ); ?>><?php _e( 'Link rating' ); ?></option>
 163			<option value="id"<?php selected( $instance['orderby'], 'id' ); ?>><?php _e( 'Link ID' ); ?></option>
 164			<option value="rand"<?php selected( $instance['orderby'], 'rand' ); ?>><?php _e( 'Random' ); ?></option>
 165		</select>
 166		</p>
 167		<p>
 168		<input class="checkbox" type="checkbox" <?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" />
 169		<label for="<?php echo $this->get_field_id('images'); ?>"><?php _e('Show Link Image'); ?></label><br />
 170		<input class="checkbox" type="checkbox" <?php checked($instance['name'], true) ?> id="<?php echo $this->get_field_id('name'); ?>" name="<?php echo $this->get_field_name('name'); ?>" />
 171		<label for="<?php echo $this->get_field_id('name'); ?>"><?php _e('Show Link Name'); ?></label><br />
 172		<input class="checkbox" type="checkbox" <?php checked($instance['description'], true) ?> id="<?php echo $this->get_field_id('description'); ?>" name="<?php echo $this->get_field_name('description'); ?>" />
 173		<label for="<?php echo $this->get_field_id('description'); ?>"><?php _e('Show Link Description'); ?></label><br />
 174		<input class="checkbox" type="checkbox" <?php checked($instance['rating'], true) ?> id="<?php echo $this->get_field_id('rating'); ?>" name="<?php echo $this->get_field_name('rating'); ?>" />
 175		<label for="<?php echo $this->get_field_id('rating'); ?>"><?php _e('Show Link Rating'); ?></label>
 176		</p>
 177		<p>
 178		<label for="<?php echo $this->get_field_id('limit'); ?>"><?php _e( 'Number of links to show:' ); ?></label>
 179		<input id="<?php echo $this->get_field_id('limit'); ?>" name="<?php echo $this->get_field_name('limit'); ?>" type="text" value="<?php echo $limit == -1 ? '' : intval( $limit ); ?>" size="3" />
 180		</p>
 181<?php
 182	}
 183}
 184
 185/**
 186 * Search widget class
 187 *
 188 * @since 2.8.0
 189 */
 190class WP_Widget_Search extends WP_Widget {
 191
 192	function __construct() {
 193		$widget_ops = array('classname' => 'widget_search', 'description' => __( "A search form for your site") );
 194		parent::__construct('search', __('Search'), $widget_ops);
 195	}
 196
 197	function widget( $args, $instance ) {
 198		extract($args);
 199		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
 200
 201		echo $before_widget;
 202		if ( $title )
 203			echo $before_title . $title . $after_title;
 204
 205		// Use current theme search form if it exists
 206		get_search_form();
 207
 208		echo $after_widget;
 209	}
 210
 211	function form( $instance ) {
 212		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
 213		$title = $instance['title'];
 214?>
 215		<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>
 216<?php
 217	}
 218
 219	function update( $new_instance, $old_instance ) {
 220		$instance = $old_instance;
 221		$new_instance = wp_parse_args((array) $new_instance, array( 'title' => ''));
 222		$instance['title'] = strip_tags($new_instance['title']);
 223		return $instance;
 224	}
 225
 226}
 227
 228/**
 229 * Archives widget class
 230 *
 231 * @since 2.8.0
 232 */
 233class WP_Widget_Archives extends WP_Widget {
 234
 235	function __construct() {
 236		$widget_ops = array('classname' => 'widget_archive', 'description' => __( 'A monthly archive of your site&#8217;s posts') );
 237		parent::__construct('archives', __('Archives'), $widget_ops);
 238	}
 239
 240	function widget( $args, $instance ) {
 241		extract($args);
 242		$c = ! empty( $instance['count'] ) ? '1' : '0';
 243		$d = ! empty( $instance['dropdown'] ) ? '1' : '0';
 244		$title = apply_filters('widget_title', empty($instance['title']) ? __('Archives') : $instance['title'], $instance, $this->id_base);
 245
 246		echo $before_widget;
 247		if ( $title )
 248			echo $before_title . $title . $after_title;
 249
 250		if ( $d ) {
 251?>
 252		<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>
 253<?php
 254		} else {
 255?>
 256		<ul>
 257		<?php wp_get_archives(apply_filters('widget_archives_args', array('type' => 'monthly', 'show_post_count' => $c))); ?>
 258		</ul>
 259<?php
 260		}
 261
 262		echo $after_widget;
 263	}
 264
 265	function update( $new_instance, $old_instance ) {
 266		$instance = $old_instance;
 267		$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
 268		$instance['title'] = strip_tags($new_instance['title']);
 269		$instance['count'] = $new_instance['count'] ? 1 : 0;
 270		$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
 271
 272		return $instance;
 273	}
 274
 275	function form( $instance ) {
 276		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
 277		$title = strip_tags($instance['title']);
 278		$count = $instance['count'] ? 'checked="checked"' : '';
 279		$dropdown = $instance['dropdown'] ? 'checked="checked"' : '';
 280?>
 281		<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>
 282		<p>
 283			<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 dropdown'); ?></label>
 284			<br/>
 285			<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>
 286		</p>
 287<?php
 288	}
 289}
 290
 291/**
 292 * Meta widget class
 293 *
 294 * Displays log in/out, RSS feed links, etc.
 295 *
 296 * @since 2.8.0
 297 */
 298class WP_Widget_Meta extends WP_Widget {
 299
 300	function __construct() {
 301		$widget_ops = array('classname' => 'widget_meta', 'description' => __( "Log in/out, admin, feed and WordPress links") );
 302		parent::__construct('meta', __('Meta'), $widget_ops);
 303	}
 304
 305	function widget( $args, $instance ) {
 306		extract($args);
 307		$title = apply_filters('widget_title', empty($instance['title']) ? __('Meta') : $instance['title'], $instance, $this->id_base);
 308
 309		echo $before_widget;
 310		if ( $title )
 311			echo $before_title . $title . $after_title;
 312?>
 313			<ul>
 314			<?php wp_register(); ?>
 315			<li><?php wp_loginout(); ?></li>
 316			<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>
 317			<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>
 318			<li><a href="<?php esc_attr_e( 'http://wordpress.org/' ); ?>" title="<?php echo esc_attr(__('Powered by WordPress, state-of-the-art semantic personal publishing platform.')); ?>"><?php
 319			/* translators: meta widget link text */
 320			_e( 'WordPress.org' );
 321			?></a></li>
 322			<?php wp_meta(); ?>
 323			</ul>
 324<?php
 325		echo $after_widget;
 326	}
 327
 328	function update( $new_instance, $old_instance ) {
 329		$instance = $old_instance;
 330		$instance['title'] = strip_tags($new_instance['title']);
 331
 332		return $instance;
 333	}
 334
 335	function form( $instance ) {
 336		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
 337		$title = strip_tags($instance['title']);
 338?>
 339			<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>
 340<?php
 341	}
 342}
 343
 344/**
 345 * Calendar widget class
 346 *
 347 * @since 2.8.0
 348 */
 349class WP_Widget_Calendar extends WP_Widget {
 350
 351	function __construct() {
 352		$widget_ops = array('classname' => 'widget_calendar', 'description' => __( 'A calendar of your site&#8217;s posts') );
 353		parent::__construct('calendar', __('Calendar'), $widget_ops);
 354	}
 355
 356	function widget( $args, $instance ) {
 357		extract($args);
 358		$title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base);
 359		echo $before_widget;
 360		if ( $title )
 361			echo $before_title . $title . $after_title;
 362		echo '<div id="calendar_wrap">';
 363		get_calendar();
 364		echo '</div>';
 365		echo $after_widget;
 366	}
 367
 368	function update( $new_instance, $old_instance ) {
 369		$instance = $old_instance;
 370		$instance['title'] = strip_tags($new_instance['title']);
 371
 372		return $instance;
 373	}
 374
 375	function form( $instance ) {
 376		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
 377		$title = strip_tags($instance['title']);
 378?>
 379		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
 380		<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>
 381<?php
 382	}
 383}
 384
 385/**
 386 * Text widget class
 387 *
 388 * @since 2.8.0
 389 */
 390class WP_Widget_Text extends WP_Widget {
 391
 392	function __construct() {
 393		$widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text or HTML'));
 394		$control_ops = array('width' => 400, 'height' => 350);
 395		parent::__construct('text', __('Text'), $widget_ops, $control_ops);
 396	}
 397
 398	function widget( $args, $instance ) {
 399		extract($args);
 400		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
 401		$text = apply_filters( 'widget_text', empty( $instance['text'] ) ? '' : $instance['text'], $instance );
 402		echo $before_widget;
 403		if ( !empty( $title ) ) { echo $before_title . $title . $after_title; } ?>
 404			<div class="textwidget"><?php echo !empty( $instance['filter'] ) ? wpautop( $text ) : $text; ?></div>
 405		<?php
 406		echo $after_widget;
 407	}
 408
 409	function update( $new_instance, $old_instance ) {
 410		$instance = $old_instance;
 411		$instance['title'] = strip_tags($new_instance['title']);
 412		if ( current_user_can('unfiltered_html') )
 413			$instance['text'] =  $new_instance['text'];
 414		else
 415			$instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed
 416		$instance['filter'] = isset($new_instance['filter']);
 417		return $instance;
 418	}
 419
 420	function form( $instance ) {
 421		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );
 422		$title = strip_tags($instance['title']);
 423		$text = esc_textarea($instance['text']);
 424?>
 425		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
 426		<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>
 427
 428		<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>
 429
 430		<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); ?> />&nbsp;<label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>
 431<?php
 432	}
 433}
 434
 435/**
 436 * Categories widget class
 437 *
 438 * @since 2.8.0
 439 */
 440class WP_Widget_Categories extends WP_Widget {
 441
 442	function __construct() {
 443		$widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "A list or dropdown of categories" ) );
 444		parent::__construct('categories', __('Categories'), $widget_ops);
 445	}
 446
 447	function widget( $args, $instance ) {
 448		extract( $args );
 449
 450		$title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title'], $instance, $this->id_base);
 451		$c = ! empty( $instance['count'] ) ? '1' : '0';
 452		$h = ! empty( $instance['hierarchical'] ) ? '1' : '0';
 453		$d = ! empty( $instance['dropdown'] ) ? '1' : '0';
 454
 455		echo $before_widget;
 456		if ( $title )
 457			echo $before_title . $title . $after_title;
 458
 459		$cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h);
 460
 461		if ( $d ) {
 462			$cat_args['show_option_none'] = __('Select Category');
 463			wp_dropdown_categories(apply_filters('widget_categories_dropdown_args', $cat_args));
 464?>
 465
 466<script type='text/javascript'>
 467/* <![CDATA[ */
 468	var dropdown = document.getElementById("cat");
 469	function onCatChange() {
 470		if ( dropdown.options[dropdown.selectedIndex].value > 0 ) {
 471			location.href = "<?php echo home_url(); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;
 472		}
 473	}
 474	dropdown.onchange = onCatChange;
 475/* ]]> */
 476</script>
 477
 478<?php
 479		} else {
 480?>
 481		<ul>
 482<?php
 483		$cat_args['title_li'] = '';
 484		wp_list_categories(apply_filters('widget_categories_args', $cat_args));
 485?>
 486		</ul>
 487<?php
 488		}
 489
 490		echo $after_widget;
 491	}
 492
 493	function update( $new_instance, $old_instance ) {
 494		$instance = $old_instance;
 495		$instance['title'] = strip_tags($new_instance['title']);
 496		$instance['count'] = !empty($new_instance['count']) ? 1 : 0;
 497		$instance['hierarchical'] = !empty($new_instance['hierarchical']) ? 1 : 0;
 498		$instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0;
 499
 500		return $instance;
 501	}
 502
 503	function form( $instance ) {
 504		//Defaults
 505		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
 506		$title = esc_attr( $instance['title'] );
 507		$count = isset($instance['count']) ? (bool) $instance['count'] :false;
 508		$hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;
 509		$dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;
 510?>
 511		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:' ); ?></label>
 512		<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>
 513
 514		<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 ); ?> />
 515		<label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Display as dropdown' ); ?></label><br />
 516
 517		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> />
 518		<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br />
 519
 520		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> />
 521		<label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p>
 522<?php
 523	}
 524
 525}
 526
 527/**
 528 * Recent_Posts widget class
 529 *
 530 * @since 2.8.0
 531 */
 532class WP_Widget_Recent_Posts extends WP_Widget {
 533
 534	function __construct() {
 535		$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your site") );
 536		parent::__construct('recent-posts', __('Recent Posts'), $widget_ops);
 537		$this->alt_option_name = 'widget_recent_entries';
 538
 539		add_action( 'save_post', array($this, 'flush_widget_cache') );
 540		add_action( 'deleted_post', array($this, 'flush_widget_cache') );
 541		add_action( 'switch_theme', array($this, 'flush_widget_cache') );
 542	}
 543
 544	function widget($args, $instance) {
 545		$cache = wp_cache_get('widget_recent_posts', 'widget');
 546
 547		if ( !is_array($cache) )
 548			$cache = array();
 549
 550		if ( ! isset( $args['widget_id'] ) )
 551			$args['widget_id'] = $this->id;
 552
 553		if ( isset( $cache[ $args['widget_id'] ] ) ) {
 554			echo $cache[ $args['widget_id'] ];
 555			return;
 556		}
 557
 558		ob_start();
 559		extract($args);
 560
 561		$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title'], $instance, $this->id_base);
 562		if ( empty( $instance['number'] ) || ! $number = absint( $instance['number'] ) )
 563 			$number = 10;
 564		$show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;
 565
 566		$r = new WP_Query( apply_filters( 'widget_posts_args', array( 'posts_per_page' => $number, 'no_found_rows' => true, 'post_status' => 'publish', 'ignore_sticky_posts' => true ) ) );
 567		if ($r->have_posts()) :
 568?>
 569		<?php echo $before_widget; ?>
 570		<?php if ( $title ) echo $before_title . $title . $after_title; ?>
 571		<ul>
 572		<?php while ( $r->have_posts() ) : $r->the_post(); ?>
 573			<li>
 574				<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>
 575			<?php if ( $show_date ) : ?>
 576				<span class="post-date"><?php echo get_the_date(); ?></span>
 577			<?php endif; ?>
 578			</li>
 579		<?php endwhile; ?>
 580		</ul>
 581		<?php echo $after_widget; ?>
 582<?php
 583		// Reset the global $the_post as this query will have stomped on it
 584		wp_reset_postdata();
 585
 586		endif;
 587
 588		$cache[$args['widget_id']] = ob_get_flush();
 589		wp_cache_set('widget_recent_posts', $cache, 'widget');
 590	}
 591
 592	function update( $new_instance, $old_instance ) {
 593		$instance = $old_instance;
 594		$instance['title'] = strip_tags($new_instance['title']);
 595		$instance['number'] = (int) $new_instance['number'];
 596		$instance['show_date'] = (bool) $new_instance['show_date'];
 597		$this->flush_widget_cache();
 598
 599		$alloptions = wp_cache_get( 'alloptions', 'options' );
 600		if ( isset($alloptions['widget_recent_entries']) )
 601			delete_option('widget_recent_entries');
 602
 603		return $instance;
 604	}
 605
 606	function flush_widget_cache() {
 607		wp_cache_delete('widget_recent_posts', 'widget');
 608	}
 609
 610	function form( $instance ) {
 611		$title     = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
 612		$number    = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
 613		$show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false;
 614?>
 615		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
 616		<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>
 617
 618		<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label>
 619		<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" /></p>
 620
 621		<p><input class="checkbox" type="checkbox" <?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" />
 622		<label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label></p>
 623<?php
 624	}
 625}
 626
 627/**
 628 * Recent_Comments widget class
 629 *
 630 * @since 2.8.0
 631 */
 632class WP_Widget_Recent_Comments extends WP_Widget {
 633
 634	function __construct() {
 635		$widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'The most recent comments' ) );
 636		parent::__construct('recent-comments', __('Recent Comments'), $widget_ops);
 637		$this->alt_option_name = 'widget_recent_comments';
 638
 639		if ( is_active_widget(false, false, $this->id_base) )
 640			add_action( 'wp_head', array($this, 'recent_comments_style') );
 641
 642		add_action( 'comment_post', array($this, 'flush_widget_cache') );
 643		add_action( 'transition_comment_status', array($this, 'flush_widget_cache') );
 644	}
 645
 646	function recent_comments_style() {
 647		if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876
 648			|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) )
 649			return;
 650		?>
 651	<style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>
 652<?php
 653	}
 654
 655	function flush_widget_cache() {
 656		wp_cache_delete('widget_recent_comments', 'widget');
 657	}
 658
 659	function widget( $args, $instance ) {
 660		global $comments, $comment;
 661
 662		$cache = wp_cache_get('widget_recent_comments', 'widget');
 663
 664		if ( ! is_array( $cache ) )
 665			$cache = array();
 666
 667		if ( ! isset( $args['widget_id'] ) )
 668			$args['widget_id'] = $this->id;
 669
 670		if ( isset( $cache[ $args['widget_id'] ] ) ) {
 671			echo $cache[ $args['widget_id'] ];
 672			return;
 673		}
 674
 675 		extract($args, EXTR_SKIP);
 676 		$output = '';
 677		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Recent Comments' ) : $instance['title'], $instance, $this->id_base );
 678
 679		if ( empty( $instance['number'] ) || ! $number = absint( $instance['number'] ) )
 680 			$number = 5;
 681
 682		$comments = get_comments( apply_filters( 'widget_comments_args', array( 'number' => $number, 'status' => 'approve', 'post_status' => 'publish' ) ) );
 683		$output .= $before_widget;
 684		if ( $title )
 685			$output .= $before_title . $title . $after_title;
 686
 687		$output .= '<ul id="recentcomments">';
 688		if ( $comments ) {
 689			// Prime cache for associated posts. (Prime post term cache if we need it for permalinks.)
 690			$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
 691			_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
 692
 693			foreach ( (array) $comments as $comment) {
 694				$output .=  '<li class="recentcomments">' . /* translators: comments widget: 1: comment author, 2: post link */ sprintf(_x('%1$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>';
 695			}
 696 		}
 697		$output .= '</ul>';
 698		$output .= $after_widget;
 699
 700		echo $output;
 701		$cache[$args['widget_id']] = $output;
 702		wp_cache_set('widget_recent_comments', $cache, 'widget');
 703	}
 704
 705	function update( $new_instance, $old_instance ) {
 706		$instance = $old_instance;
 707		$instance['title'] = strip_tags($new_instance['title']);
 708		$instance['number'] = absint( $new_instance['number'] );
 709		$this->flush_widget_cache();
 710
 711		$alloptions = wp_cache_get( 'alloptions', 'options' );
 712		if ( isset($alloptions['widget_recent_comments']) )
 713			delete_option('widget_recent_comments');
 714
 715		return $instance;
 716	}
 717
 718	function form( $instance ) {
 719		$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
 720		$number = isset($instance['number']) ? absint($instance['number']) : 5;
 721?>
 722		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
 723		<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>
 724
 725		<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of comments to show:'); ?></label>
 726		<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" /></p>
 727<?php
 728	}
 729}
 730
 731/**
 732 * RSS widget class
 733 *
 734 * @since 2.8.0
 735 */
 736class WP_Widget_RSS extends WP_Widget {
 737
 738	function __construct() {
 739		$widget_ops = array( 'description' => __('Entries from any RSS or Atom feed') );
 740		$control_ops = array( 'width' => 400, 'height' => 200 );
 741		parent::__construct( 'rss', __('RSS'), $widget_ops, $control_ops );
 742	}
 743
 744	function widget($args, $instance) {
 745
 746		if ( isset($instance['error']) && $instance['error'] )
 747			return;
 748
 749		extract($args, EXTR_SKIP);
 750
 751		$url = ! empty( $instance['url'] ) ? $instance['url'] : '';
 752		while ( stristr($url, 'http') != $url )
 753			$url = substr($url, 1);
 754
 755		if ( empty($url) )
 756			return;
 757
 758		// self-url destruction sequence
 759		if ( in_array( untrailingslashit( $url ), array( site_url(), home_url() ) ) )
 760			return;
 761
 762		$rss = fetch_feed($url);
 763		$title = $instance['title'];
 764		$desc = '';
 765		$link = '';
 766
 767		if ( ! is_wp_error($rss) ) {
 768			$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
 769			if ( empty($title) )
 770				$title = esc_html(strip_tags($rss->get_title()));
 771			$link = esc_url(strip_tags($rss->get_permalink()));
 772			while ( stristr($link, 'http') != $link )
 773				$link = substr($link, 1);
 774		}
 775
 776		if ( empty($title) )
 777			$title = empty($desc) ? __('Unknown Feed') : $desc;
 778
 779		$title = apply_filters('widget_title', $title, $instance, $this->id_base);
 780		$url = esc_url(strip_tags($url));
 781		$icon = includes_url('images/rss.png');
 782		if ( $title )
 783			$title = "<a class='rsswidget' href='$url' title='" . esc_attr__( 'Syndicate this content' ) ."'><img style='border:0' width='14' height='14' src='$icon' alt='RSS' /></a> <a class='rsswidget' href='$link' title='$desc'>$title</a>";
 784
 785		echo $before_widget;
 786		if ( $title )
 787			echo $before_title . $title . $after_title;
 788		wp_widget_rss_output( $rss, $instance );
 789		echo $after_widget;
 790
 791		if ( ! is_wp_error($rss) )
 792			$rss->__destruct();
 793		unset($rss);
 794	}
 795
 796	function update($new_instance, $old_instance) {
 797		$testurl = ( isset( $new_instance['url'] ) && ( !isset( $old_instance['url'] ) || ( $new_instance['url'] != $old_instance['url'] ) ) );
 798		return wp_widget_rss_process( $new_instance, $testurl );
 799	}
 800
 801	function form($instance) {
 802
 803		if ( empty($instance) )
 804			$instance = array( 'title' => '', 'url' => '', 'items' => 10, 'error' => false, 'show_summary' => 0, 'show_author' => 0, 'show_date' => 0 );
 805		$instance['number'] = $this->number;
 806
 807		wp_widget_rss_form( $instance );
 808	}
 809}
 810
 811/**
 812 * Display the RSS entries in a list.
 813 *
 814 * @since 2.5.0
 815 *
 816 * @param string|array|object $rss RSS url.
 817 * @param array $args Widget arguments.
 818 */
 819function wp_widget_rss_output( $rss, $args = array() ) {
 820	if ( is_string( $rss ) ) {
 821		$rss = fetch_feed($rss);
 822	} elseif ( is_array($rss) && isset($rss['url']) ) {
 823		$args = $rss;
 824		$rss = fetch_feed($rss['url']);
 825	} elseif ( !is_object($rss) ) {
 826		return;
 827	}
 828
 829	if ( is_wp_error($rss) ) {
 830		if ( is_admin() || current_user_can('manage_options') )
 831			echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), $rss->get_error_message() ) . '</p>';
 832		return;
 833	}
 834
 835	$default_args = array( 'show_author' => 0, 'show_date' => 0, 'show_summary' => 0 );
 836	$args = wp_parse_args( $args, $default_args );
 837	extract( $args, EXTR_SKIP );
 838
 839	$items = (int) $items;
 840	if ( $items < 1 || 20 < $items )
 841		$items = 10;
 842	$show_summary  = (int) $show_summary;
 843	$show_author   = (int) $show_author;
 844	$show_date     = (int) $show_date;
 845
 846	if ( !$rss->get_item_quantity() ) {
 847		echo '<ul><li>' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</li></ul>';
 848		$rss->__destruct();
 849		unset($rss);
 850		return;
 851	}
 852
 853	echo '<ul>';
 854	foreach ( $rss->get_items(0, $items) as $item ) {
 855		$link = $item->get_link();
 856		while ( stristr($link, 'http') != $link )
 857			$link = substr($link, 1);
 858		$link = esc_url(strip_tags($link));
 859		$title = esc_attr(strip_tags($item->get_title()));
 860		if ( empty($title) )
 861			$title = __('Untitled');
 862
 863		$desc = str_replace( array("\n", "\r"), ' ', esc_attr( strip_tags( @html_entity_decode( $item->get_description(), ENT_QUOTES, get_option('blog_charset') ) ) ) );
 864		$desc = wp_html_excerpt( $desc, 360 );
 865
 866		// Append ellipsis. Change existing [...] to [&hellip;].
 867		if ( '[...]' == substr( $desc, -5 ) )
 868			$desc = substr( $desc, 0, -5 ) . '[&hellip;]';
 869		elseif ( '[&hellip;]' != substr( $desc, -10 ) )
 870			$desc .= ' [&hellip;]';
 871
 872		$desc = esc_html( $desc );
 873
 874		if ( $show_summary ) {
 875			$summary = "<div class='rssSummary'>$desc</div>";
 876		} else {
 877			$summary = '';
 878		}
 879
 880		$date = '';
 881		if ( $show_date ) {
 882			$date = $item->get_date( 'U' );
 883
 884			if ( $date ) {
 885				$date = ' <span class="rss-date">' . date_i18n( get_option( 'date_format' ), $date ) . '</span>';
 886			}
 887		}
 888
 889		$author = '';
 890		if ( $show_author ) {
 891			$author = $item->get_author();
 892			if ( is_object($author) ) {
 893				$author = $author->get_name();
 894				$author = ' <cite>' . esc_html( strip_tags( $author ) ) . '</cite>';
 895			}
 896		}
 897
 898		if ( $link == '' ) {
 899			echo "<li>$title{$date}{$summary}{$author}</li>";
 900		} else {
 901			echo "<li><a class='rsswidget' href='$link' title='$desc'>$title</a>{$date}{$summary}{$author}</li>";
 902		}
 903	}
 904	echo '</ul>';
 905	$rss->__destruct();
 906	unset($rss);
 907}
 908
 909/**
 910 * Display RSS widget options form.
 911 *
 912 * The options for what fields are displayed for the RSS form are all booleans
 913 * and are as follows: 'url', 'title', 'items', 'show_summary', 'show_author',
 914 * 'show_date'.
 915 *
 916 * @since 2.5.0
 917 *
 918 * @param array|string $args Values for input fields.
 919 * @param array $inputs Override default display options.
 920 */
 921function wp_widget_rss_form( $args, $inputs = null ) {
 922
 923	$default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true );
 924	$inputs = wp_parse_args( $inputs, $default_inputs );
 925	extract( $args );
 926	extract( $inputs, EXTR_SKIP);
 927
 928	$number = esc_attr( $number );
 929	$title  = esc_attr( $title );
 930	$url    = esc_url( $url );
 931	$items  = (int) $items;
 932	if ( $items < 1 || 20 < $items )
 933		$items  = 10;
 934	$show_summary   = (int) $show_summary;
 935	$show_author    = (int) $show_author;
 936	$show_date      = (int) $show_date;
 937
 938	if ( !empty($error) )
 939		echo '<p class="widget-error"><strong>' . sprintf( __('RSS Error: %s'), $error) . '</strong></p>';
 940
 941	if ( $inputs['url'] ) :
 942?>
 943	<p><label for="rss-url-<?php echo $number; ?>"><?php _e('Enter the RSS feed URL here:'); ?></label>
 944	<input class="widefat" id="rss-url-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][url]" type="text" value="<?php echo $url; ?>" /></p>
 945<?php endif; if ( $inputs['title'] ) : ?>
 946	<p><label for="rss-title-<?php echo $number; ?>"><?php _e('Give the feed a title (optional):'); ?></label>
 947	<input class="widefat" id="rss-title-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" /></p>
 948<?php endif; if ( $inputs['items'] ) : ?>
 949	<p><label for="rss-items-<?php echo $number; ?>"><?php _e('How many items would you like to display?'); ?></label>
 950	<select id="rss-items-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][items]">
 951<?php
 952		for ( $i = 1; $i <= 20; ++$i )
 953			echo "<option value='$i' " . selected( $items, $i, false ) . ">$i</option>";
 954?>
 955	</select></p>
 956<?php endif; if ( $inputs['show_summary'] ) : ?>
 957	<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"'; ?>/>
 958	<label for="rss-show-summary-<?php echo $number; ?>"><?php _e('Display item content?'); ?></label></p>
 959<?php endif; if ( $inputs['show_author'] ) : ?>
 960	<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"'; ?>/>
 961	<label for="rss-show-author-<?php echo $number; ?>"><?php _e('Display item author if available?'); ?></label></p>
 962<?php endif; if ( $inputs['show_date'] ) : ?>
 963	<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"'; ?>/>
 964	<label for="rss-show-date-<?php echo $number; ?>"><?php _e('Display item date?'); ?></label></p>
 965<?php
 966	endif;
 967	foreach ( array_keys($default_inputs) as $input ) :
 968		if ( 'hidden' === $inputs[$input] ) :
 969			$id = str_replace( '_', '-', $input );
 970?>
 971	<input type="hidden" id="rss-<?php echo $id; ?>-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][<?php echo $input; ?>]" value="<?php echo $$input; ?>" />
 972<?php
 973		endif;
 974	endforeach;
 975}
 976
 977/**
 978 * Process RSS feed widget data and optionally retrieve feed items.
 979 *
 980 * The feed widget can not have more than 20 items or it will reset back to the
 981 * default, which is 10.
 982 *
 983 * The resulting array has the feed title, feed url, feed link (from channel),
 984 * feed items, error (if any), and whether to show summary, author, and date.
 985 * All respectively in the order of the array elements.
 986 *
 987 * @since 2.5.0
 988 *
 989 * @param array $widget_rss RSS widget feed data. Expects unescaped data.
 990 * @param bool $check_feed Optional, default is true. Whether to check feed for errors.
 991 * @return array
 992 */
 993function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
 994	$items = (int) $widget_rss['items'];
 995	if ( $items < 1 || 20 < $items )
 996		$items = 10;
 997	$url           = esc_url_raw(strip_tags( $widget_rss['url'] ));
 998	$title         = trim(strip_tags( $widget_rss['title'] ));
 999	$show_summary  = isset($widget_rss['show_summary']) ? (int) $widget_rss['show_summary'] : 0;
1000	$show_author   = isset($widget_rss['show_author']) ? (int) $widget_rss['show_author'] :0;
1001	$show_date     = isset($widget_rss['show_date']) ? (int) $widget_rss['show_date'] : 0;
1002
1003	if ( $check_feed ) {
1004		$rss = fetch_feed($url);
1005		$error = false;
1006		$link = '';
1007		if ( is_wp_error($rss) ) {
1008			$error = $rss->get_error_message();
1009		} else {
1010			$link = esc_url(strip_tags($rss->get_permalink()));
1011			while ( stristr($link, 'http') != $link )
1012				$link = substr($link, 1);
1013
1014			$rss->__destruct();
1015			unset($rss);
1016		}
1017	}
1018
1019	return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
1020}
1021
1022/**
1023 * Tag cloud widget class
1024 *
1025 * @since 2.8.0
1026 */
1027class WP_Widget_Tag_Cloud extends WP_Widget {
1028
1029	function __construct() {
1030		$widget_ops = array( 'description' => __( "Your most used tags in cloud format") );
1031		parent::__construct('tag_cloud', __('Tag Cloud'), $widget_ops);
1032	}
1033
1034	function widget( $args, $instance ) {
1035		extract($args);
1036		$current_taxonomy = $this->_get_current_taxonomy($instance);
1037		if ( !empty($instance['title']) ) {
1038			$title = $instance['title'];
1039		} else {
1040			if ( 'post_tag' == $current_taxonomy ) {
1041				$title = __('Tags');
1042			} else {
1043				$tax = get_taxonomy($current_taxonomy);
1044				$title = $tax->labels->name;
1045			}
1046		}
1047		$title = apply_filters('widget_title', $title, $instance, $this->id_base);
1048
1049		echo $before_widget;
1050		if ( $title )
1051			echo $before_title . $title . $after_title;
1052		echo '<div class="tagcloud">';
1053		wp_tag_cloud( apply_filters('widget_tag_cloud_args', array('taxonomy' => $current_taxonomy) ) );
1054		echo "</div>\n";
1055		echo $after_widget;
1056	}
1057
1058	function update( $new_instance, $old_instance ) {
1059		$instance['title'] = strip_tags(stripslashes($new_instance['title']));
1060		$instance['taxonomy'] = stripslashes($new_instance['taxonomy']);
1061		return $instance;
1062	}
1063
1064	function form( $instance ) {
1065		$current_taxonomy = $this->_get_current_taxonomy($instance);
1066?>
1067	<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label>
1068	<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>
1069	<p><label for="<?php echo $this->get_field_id('taxonomy'); ?>"><?php _e('Taxonomy:') ?></label>
1070	<select class="widefat" id="<?php echo $this->get_field_id('taxonomy'); ?>" name="<?php echo $this->get_field_name('taxonomy'); ?>">
1071	<?php foreach ( get_taxonomies() as $taxonomy ) :
1072				$tax = get_taxonomy($taxonomy);
1073				if ( !$tax->show_tagcloud || empty($tax->labels->name) )
1074					continue;
1075	?>
1076		<option value="<?php echo esc_attr($taxonomy) ?>" <?php selected($taxonomy, $current_taxonomy) ?>><?php echo $tax->labels->name; ?></option>
1077	<?php endforeach; ?>
1078	</select></p><?php
1079	}
1080
1081	function _get_current_taxonomy($instance) {
1082		if ( !empty($instance['taxonomy']) && taxonomy_exists($instance['taxonomy']) )
1083			return $instance['taxonomy'];
1084
1085		return 'post_tag';
1086	}
1087}
1088
1089/**
1090 * Navigation Menu widget class
1091 *
1092 * @since 3.0.0
1093 */
1094 class WP_Nav_Menu_Widget extends WP_Widget {
1095
1096	function __construct() {
1097		$widget_ops = array( 'description' => __('Use this widget to add one of your custom menus as a widget.') );
1098		parent::__construct( 'nav_menu', __('Custom Menu'), $widget_ops );
1099	}
1100
1101	function widget($args, $instance) {
1102		// Get menu
1103		$nav_menu = ! empty( $instance['nav_menu'] ) ? wp_get_nav_menu_object( $instance['nav_menu'] ) : false;
1104
1105		if ( !$nav_menu )
1106			return;
1107
1108		$instance['title'] = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
1109
1110		echo $args['before_widget'];
1111
1112		if ( !empty($instance['title']) )
1113			echo $args['before_title'] . $instance['title'] . $args['after_title'];
1114
1115		wp_nav_menu( array( 'fallback_cb' => '', 'menu' => $nav_menu ) );
1116
1117		echo $args['after_widget'];
1118	}
1119
1120	function update( $new_instance, $old_instance ) {
1121		$instance['title'] = strip_tags( stripslashes($new_instance['title']) );
1122		$instance['nav_menu'] = (int) $new_instance['nav_menu'];
1123		return $instance;
1124	}
1125
1126	function form( $instance ) {
1127		$title = isset( $instance['title'] ) ? $instance['title'] : '';
1128		$nav_menu = isset( $instance['nav_menu'] ) ? $instance['nav_menu'] : '';
1129
1130		// Get menus
1131		$menus = get_terms( 'nav_menu', array( 'hide_empty' => false ) );
1132
1133		// If no menus exists, direct the user to go and create some.
1134		if ( !$menus ) {
1135			echo '<p>'. sprintf( __('No menus have been created yet. <a href="%s">Create some</a>.'), admin_url('nav-menus.php') ) .'</p>';
1136			return;
1137		}
1138		?>
1139		<p>
1140			<label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label>
1141			<input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo $title; ?>" />
1142		</p>
1143		<p>
1144			<label for="<?php echo $this->get_field_id('nav_menu'); ?>"><?php _e('Select Menu:'); ?></label>
1145			<select id="<?php echo $this->get_field_id('nav_menu'); ?>" name="<?php echo $this->get_field_name('nav_menu'); ?>">
1146		<?php
1147			foreach ( $menus as $menu ) {
1148				echo '<option value="' . $menu->term_id . '"'
1149					. selected( $nav_menu, $menu->term_id, false )
1150					. '>'. $menu->name . '</option>';
1151			}
1152		?>
1153			</select>
1154		</p>
1155		<?php
1156	}
1157}
1158
1159/**
1160 * Register all of the default WordPress widgets on startup.
1161 *
1162 * Calls 'widgets_init' action after all of the WordPress widgets have been
1163 * registered.
1164 *
1165 * @since 2.2.0
1166 */
1167function wp_widgets_init() {
1168	if ( !is_blog_installed() )
1169		return;
1170
1171	register_widget('WP_Widget_Pages');
1172
1173	register_widget('WP_Widget_Calendar');
1174
1175	register_widget('WP_Widget_Archives');
1176
1177	if ( get_option( 'link_manager_enabled' ) )
1178		register_widget('WP_Widget_Links');
1179
1180	register_widget('WP_Widget_Meta');
1181
1182	register_widget('WP_Widget_Search');
1183
1184	register_widget('WP_Widget_Text');
1185
1186	register_widget('WP_Widget_Categories');
1187
1188	register_widget('WP_Widget_Recent_Posts');
1189
1190	register_widget('WP_Widget_Recent_Comments');
1191
1192	register_widget('WP_Widget_RSS');
1193
1194	register_widget('WP_Widget_Tag_Cloud');
1195
1196	register_widget('WP_Nav_Menu_Widget');
1197
1198	do_action('widgets_init');
1199}
1200
1201add_action('init', 'wp_widgets_init', 1);