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cherenkov/wp-recentpost-info.php

Created March 4, 2011 15:24
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Wordpress3.1のデフォルトで組み込まれているウィジェットの「最近の投稿（サイトの最新の投稿 ）」に日付を付加しプラグイン化したもの。wp-content\plugins\wp-recentpost-info\wp-recentpost-info.phpに保存してプラグインを有効にしてウィジェットで「最近の投稿(custom)」がそれ。
Raw
wp-recentpost-info.php
<?php
/*
Plugin Name: Recent post info
Plugin URI:
Description: Display post info.
Version: 0.1
Author: cherenkov
Author URI: http://d.hatena.ne.jp/Cherenkov/
*/
class WP_Widget_RecentPostInfo extends WP_Widget {
function WP_Widget_RecentPostInfo() {
$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your site").'. 日付表示' );
$this->WP_Widget('recent-posts2', __('Recent Posts').'(custom)', $widget_ops);
$this->alt_option_name = 'widget_recent_entries';
add_action( 'save_post', array(&$this, 'flush_widget_cache') );
add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
}
function widget($args, $instance) {
$cache = wp_cache_get('widget_recent_posts', 'widget');
if ( !is_array($cache) )
$cache = array();
if ( isset($cache[$args['widget_id']]) ) {
echo $cache[$args['widget_id']];
return;
}
ob_start();
extract($args);
$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title'], $instance, $this->id_base);
if ( ! $number = absint( $instance['number'] ) )
$number = 10;
$r = new WP_Query(array('posts_per_page' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'ignore_sticky_posts' => true));
if ($r->have_posts()) :
?>
<?php echo $before_widget; ?>
<?php if ( $title ) echo $before_title . $title . $after_title; ?>
<ul>
<?php while ($r->have_posts()) : $r->the_post(); ?>
<li class="newslist"><?php the_time('Y年n月j日'); ?><ul><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></ul></li>
<?php endwhile; ?>
</ul>
<?php echo $after_widget; ?>
<?php
// Reset the global $the_post as this query will have stomped on it
wp_reset_postdata();
endif;
$cache[$args['widget_id']] = ob_get_flush();
wp_cache_set('widget_recent_posts', $cache, 'widget');
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
$instance['number'] = (int) $new_instance['number'];
$this->flush_widget_cache();
$alloptions = wp_cache_get( 'alloptions', 'options' );
if ( isset($alloptions['widget_recent_entries']) )
delete_option('widget_recent_entries');
return $instance;
}
function flush_widget_cache() {
wp_cache_delete('widget_recent_posts', 'widget');
}
function form( $instance ) {
$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
$number = isset($instance['number']) ? absint($instance['number']) : 5;
?>
<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>
<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of posts to show:'); ?></label>
<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>
<?php
}
}
function WP_Widget_RecentPostInfoInit() {
//ウィジェットのクラス名を登録
register_widget('WP_Widget_RecentPostInfo');
}
//widgets_initアクション時にwpNdTwitterInit関数を実行
add_action('widgets_init', 'WP_Widget_RecentPostInfoInit');
?>
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