| 1 |
<?php |
| 2 |
/* |
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Plugin Name: Category Posts Widget |
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Plugin URI: http://mkrdip.me/category-posts-widget |
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Description: Adds a widget that shows the most recent posts from a single category. |
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Author: Mrinal Kanti Roy |
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Version: 4.1.4 |
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Author URI: http://mkrdip.me |
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*/ |
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|
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// Don't call the file directly |
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if ( !defined( 'ABSPATH' ) ) exit; |
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|
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/** |
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* Register our styles |
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* |
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* @return void |
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*/ |
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add_action( 'wp_enqueue_scripts', 'category_posts_widget_styles' ); |
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|
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function category_posts_widget_styles() { |
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wp_register_style( 'category-posts', plugins_url( 'category-posts/cat-posts.css' ) ); |
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wp_enqueue_style( 'category-posts' ); |
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} |
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|
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/** |
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* Register thumbnail sizes. |
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* |
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* @return void |
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*/ |
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function category_posts_add_image_size(){ |
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$sizes = get_option('mkrdip_cat_post_thumb_sizes'); |
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|
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if ( $sizes ){ |
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foreach ( $sizes as $id=>$size ) { |
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add_image_size( 'cat_post_thumb_size' . $id, $size[0], $size[1], true ); |
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} |
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} |
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} |
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|
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add_action( 'init', 'category_posts_add_image_size' ); |
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|
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|
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/** |
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* Category Posts Widget Class |
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* |
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* Shows the single category posts with some configurable options |
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*/ |
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class CategoryPosts extends WP_Widget { |
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|
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function __construct() { |
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$widget_ops = array('classname' => 'cat-post-widget', 'description' => __('List single category posts')); |
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parent::__construct('category-posts', __('Category Posts'), $widget_ops); |
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} |
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|
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// Displays category posts widget on blog. |
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function widget($args, $instance) { |
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global $post; |
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$post_old = $post; // Save the post object. |
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|
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extract( $args ); |
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|
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$sizes = get_option('mkrdip_cat_post_thumb_sizes'); |
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|
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// If not title, use the name of the category. |
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if( !$instance["title"] ) { |
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$category_info = get_category($instance["cat"]); |
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$instance["title"] = $category_info->name; |
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} |
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|
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$valid_sort_orders = array('date', 'title', 'comment_count', 'rand'); |
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if ( in_array($instance['sort_by'], $valid_sort_orders) ) { |
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$sort_by = $instance['sort_by']; |
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$sort_order = (bool) isset( $instance['asc_sort_order'] ) ? 'ASC' : 'DESC'; |
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} else { |
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// by default, display latest first |
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$sort_by = 'date'; |
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$sort_order = 'DESC'; |
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} |
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|
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// Exclude current post |
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$current_post_id = get_the_ID(); |
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$exclude_current_post = (isset( $instance['exclude_current_post'] ) && $instance['exclude_current_post'] != -1) ? $current_post_id : ""; |
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|
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// Get array of post info. |
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$args = array( |
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'showposts' => $instance["num"], |
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'cat' => $instance["cat"], |
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'post__not_in' => array( $exclude_current_post ), |
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'orderby' => $sort_by, |
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'order' => $sort_order |
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); |
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|
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if( isset( $instance['hideNoThumb'] ) ) { |
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$args = array_merge( $args, array( 'meta_query' => array( |
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array( |
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'key' => '_thumbnail_id', |
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'compare' => 'EXISTS' ) |
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) |
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) |
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); |
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} |
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|
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$cat_posts = new WP_Query( $args ); |
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|
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if ( !isset ( $instance["hide_if_empty"] ) || $cat_posts->have_posts() ) { |
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|
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// Excerpt length filter |
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$new_excerpt_length = create_function('$length', "return " . $instance["excerpt_length"] . ";"); |
| 110 |
if ( $instance["excerpt_length"] > 0 ) |
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add_filter('excerpt_length', $new_excerpt_length); |
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|
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echo $before_widget; |
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|
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// Widget title |
| 116 |
if( !isset ( $instance["hide_title"] ) ) { |
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echo $before_title; |
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if( isset ( $instance["title_link"] ) ) { |
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echo '<a href="' . get_category_link($instance["cat"]) . '">' . $instance["title"] . '</a>'; |
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} else { |
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echo $instance["title"]; |
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} |
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echo $after_title; |
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} |
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|
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// Post list |
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echo "<ul>\n"; |
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|
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while ( $cat_posts->have_posts() ) |
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{ |
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$cat_posts->the_post(); ?> |
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|
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<li <?php if( !isset( $instance['disable_css'] ) ) { |
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echo "class=\"cat-post-item"; |
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if ( is_single(get_the_title() ) ) { echo " cat-post-current"; } |
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echo "\""; |
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} ?> > |
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|
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<?php |
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if( isset( $instance["thumbTop"] ) ) : |
| 141 |
if ( function_exists('the_post_thumbnail') && |
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current_theme_supports("post-thumbnails") && |
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isset( $instance["thumb"] ) && |
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has_post_thumbnail() ) : ?> |
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<a <?php if( !isset( $instance['disable_css'] ) ) { echo "class=\"cat-post-thumbnail\""; } ?> |
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href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>"> |
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<?php the_post_thumbnail( 'cat_post_thumb_size'.$this->id ); ?> |
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</a> |
| 149 |
<?php endif; |
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endif; ?> |
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|
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<a class="post-title <?php if( !isset( $instance['disable_css'] ) ) { echo " cat-post-title"; } ?>" |
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href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?> |
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</a> |
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|
| 156 |
<?php if ( isset( $instance['date'] ) ) : ?> |
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<?php if ( isset( $instance['date_format'] ) && strlen( trim( $instance['date_format'] ) ) > 0 ) { $date_format = $instance['date_format']; } else { $date_format = "j M Y"; } ?> |
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<p class="post-date <?php if( !isset( $instance['disable_css'] ) ) { echo "cat-post-date"; } ?>"> |
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<?php if( isset ( $instance["date_link"] ) ) { ?> <a href="<?php the_permalink(); ?>"><?php } ?> |
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<?php the_time($date_format); ?> |
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<?php if( isset ( $instance["date_link"] ) ) { echo "</a>"; } ?> |
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</p> |
| 163 |
<?php endif; |
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|
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if( !isset( $instance["thumbTop"] ) ) : |
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if ( function_exists('the_post_thumbnail') && |
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current_theme_supports("post-thumbnails") && |
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isset( $instance["thumb"] ) && |
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has_post_thumbnail() ) : ?> |
| 170 |
<a <?php if( !isset( $instance['disable_css'] ) ) { echo "class=\"cat-post-thumbnail\""; } ?> |
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href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>"> |
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<?php the_post_thumbnail( 'cat_post_thumb_size'.$this->id ); ?> |
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</a> |
| 174 |
<?php endif; |
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endif; |
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|
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if ( isset( $instance['excerpt'] ) ) : |
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the_excerpt(); |
| 179 |
endif; |
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|
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if ( isset( $instance['comment_num'] ) ) : ?> |
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<p class="comment-num <?php if( !isset( $instance['disable_css'] ) ) { echo "cat-post-comment-num"; } ?>"> |
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(<?php comments_number(); ?>) |
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</p> |
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<?php endif; |
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|
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if ( isset( $instance['author'] ) ) : ?> |
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<p class="post-author <?php if( !isset( $instance['disable_css'] ) ) { echo "cat-post-author"; } ?>"> |
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<?php the_author_posts_link(); ?> |
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</p> |
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<?php endif; ?> |
| 192 |
</li> |
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<?php |
| 194 |
} |
| 195 |
|
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echo "</ul>\n"; |
| 197 |
|
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// Footer link to category page |
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if( isset ( $instance["footer_link"] ) ) { |
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echo "<a"; |
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if( !isset( $instance['disable_css'] ) ) { echo " class:\"cat-post-footer-link\""; } |
| 202 |
echo " href=\"" . get_category_link($instance["cat"]) . "\">" . $instance["footer_link"] . "</a>"; |
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} |
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|
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echo $after_widget; |
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|
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remove_filter('excerpt_length', $new_excerpt_length); |
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|
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if (function_exists ('wp_reset_postdata')) //wp_reset_postdata only exists in WordPress >3.0.0 |
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wp_reset_postdata(); |
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|
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} // END if |
| 213 |
} // END function |
| 214 |
|
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/** |
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* Update the options |
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* |
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* @param array $new_instance |
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* @param array $old_instance |
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* @return array |
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*/ |
| 222 |
function update($new_instance, $old_instance) { |
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|
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// thumbnail size |
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$sizes = get_option('mkrdip_cat_post_thumb_sizes'); |
| 226 |
if ( !$sizes ) { |
| 227 |
$sizes = array(); |
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} |
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$sizes[$this->id] = array($new_instance['thumb_w'], $new_instance['thumb_h']); |
| 230 |
update_option('mkrdip_cat_post_thumb_sizes', $sizes); |
| 231 |
|
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return $new_instance; |
| 233 |
} |
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|
| 235 |
/** |
| 236 |
* The widget configuration form back end. |
| 237 |
* |
| 238 |
* @param array $instance |
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* @return void |
| 240 |
*/ |
| 241 |
function form($instance) { |
| 242 |
$instance = wp_parse_args( ( array ) $instance, array( |
| 243 |
'title' => __( '' ), |
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'hide_title' => __( '' ), |
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'cat' => __( '' ), |
| 246 |
'num' => __( '' ), |
| 247 |
'sort_by' => __( '' ), |
| 248 |
'asc_sort_order' => __( '' ), |
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'exclude_current_post' => __( '' ), |
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'title_link' => __( '' ), |
| 251 |
'footer_link' => __( '' ), |
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'excerpt' => __( '' ), |
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'excerpt_length' => __( '' ), |
| 254 |
'comment_num' => __( '' ), |
| 255 |
'author' => __( '' ), |
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'date' => __( '' ), |
| 257 |
'date_link' => __( '' ), |
| 258 |
'date_format' => __( '' ), |
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'thumb' => __( '' ), |
| 260 |
'thumbTop' => __( '' ), |
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'hideNoThumb' => __( '' ), |
| 262 |
'thumb_w' => __( '' ), |
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'thumb_h' => __( '' ), |
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'disable_css' => __( '' ), |
| 265 |
'hide_if_empty' => __( '' ) |
| 266 |
) ); |
| 267 |
|
| 268 |
$title = $instance['title']; |
| 269 |
$hide_title = $instance['hide_title']; |
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$cat = $instance['cat']; |
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$num = $instance['num']; |
| 272 |
$sort_by = $instance['sort_by']; |
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$asc_sort_order = $instance['asc_sort_order']; |
| 274 |
$exclude_current_post = $instance['exclude_current_post']; |
| 275 |
$title_link = $instance['title_link']; |
| 276 |
$footer_link = $instance['footer_link']; |
| 277 |
$excerpt = $instance['excerpt']; |
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$excerpt_length = $instance['excerpt_length']; |
| 279 |
$comment_num = $instance['comment_num']; |
| 280 |
$author = $instance['author']; |
| 281 |
$date = $instance['date']; |
| 282 |
$date_link = $instance['date_link']; |
| 283 |
$date_format = $instance['date_format']; |
| 284 |
$thumb = $instance['thumb']; |
| 285 |
$thumbTop = $instance['thumbTop']; |
| 286 |
$hideNoThumb = $instance['hideNoThumb']; |
| 287 |
$thumb_w = $instance['thumb_w']; |
| 288 |
$thumb_h = $instance['thumb_h']; |
| 289 |
$disable_css = $instance['disable_css']; |
| 290 |
$hide_if_empty = $instance['hide_if_empty']; |
| 291 |
|
| 292 |
?> |
| 293 |
<p> |
| 294 |
<label for="<?php echo $this->get_field_id("title"); ?>"> |
| 295 |
<?php _e( 'Title' ); ?>: |
| 296 |
<input class="widefat" style="width:80%;" id="<?php echo $this->get_field_id("title"); ?>" name="<?php echo $this->get_field_name("title"); ?>" type="text" value="<?php echo esc_attr($instance["title"]); ?>" /> |
| 297 |
</label> |
| 298 |
</p> |
| 299 |
<p> |
| 300 |
<label for="<?php echo $this->get_field_id("title_link"); ?>"> |
| 301 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("title_link"); ?>" name="<?php echo $this->get_field_name("title_link"); ?>"<?php checked( (bool) $instance["title_link"], true ); ?> /> |
| 302 |
<?php _e( 'Make widget title link' ); ?> |
| 303 |
</label> |
| 304 |
</p> |
| 305 |
<p> |
| 306 |
<label for="<?php echo $this->get_field_id("hide_title"); ?>"> |
| 307 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("hide_title"); ?>" name="<?php echo $this->get_field_name("hide_title"); ?>"<?php checked( (bool) $instance["hide_title"], true ); ?> /> |
| 308 |
<?php _e( 'Hide title' ); ?> |
| 309 |
</label> |
| 310 |
</p> |
| 311 |
<p> |
| 312 |
<label> |
| 313 |
<?php _e( 'Category' ); ?>: |
| 314 |
<?php wp_dropdown_categories( array( 'hide_empty'=> 0, 'name' => $this->get_field_name("cat"), 'selected' => $instance["cat"] ) ); ?> |
| 315 |
</label> |
| 316 |
</p> |
| 317 |
<p> |
| 318 |
<label for="<?php echo $this->get_field_id("num"); ?>"> |
| 319 |
<?php _e('Number of posts to show'); ?>: |
| 320 |
<input style="text-align: center;" id="<?php echo $this->get_field_id("num"); ?>" name="<?php echo $this->get_field_name("num"); ?>" type="text" value="<?php echo absint($instance["num"]); ?>" size='3' /> |
| 321 |
</label> |
| 322 |
</p> |
| 323 |
<p> |
| 324 |
<label for="<?php echo $this->get_field_id("sort_by"); ?>"> |
| 325 |
<?php _e('Sort by'); ?>: |
| 326 |
<select id="<?php echo $this->get_field_id("sort_by"); ?>" name="<?php echo $this->get_field_name("sort_by"); ?>"> |
| 327 |
<option value="date"<?php selected( $instance["sort_by"], "date" ); ?>>Date</option> |
| 328 |
<option value="title"<?php selected( $instance["sort_by"], "title" ); ?>>Title</option> |
| 329 |
<option value="comment_count"<?php selected( $instance["sort_by"], "comment_count" ); ?>>Number of comments</option> |
| 330 |
<option value="rand"<?php selected( $instance["sort_by"], "rand" ); ?>>Random</option> |
| 331 |
</select> |
| 332 |
</label> |
| 333 |
</p> |
| 334 |
<p> |
| 335 |
<label for="<?php echo $this->get_field_id("asc_sort_order"); ?>"> |
| 336 |
<input type="checkbox" class="checkbox" |
| 337 |
id="<?php echo $this->get_field_id("asc_sort_order"); ?>" |
| 338 |
name="<?php echo $this->get_field_name("asc_sort_order"); ?>" |
| 339 |
<?php checked( (bool) $instance["asc_sort_order"], true ); ?> /> |
| 340 |
<?php _e( 'Reverse sort order (ascending)' ); ?> |
| 341 |
</label> |
| 342 |
</p> |
| 343 |
<p> |
| 344 |
<label for="<?php echo $this->get_field_id("exclude_current_post"); ?>"> |
| 345 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("exclude_current_post"); ?>" name="<?php echo $this->get_field_name("exclude_current_post"); ?>"<?php checked( (bool) $instance["exclude_current_post"], true ); ?> /> |
| 346 |
<?php _e( 'Exclude current post' ); ?> |
| 347 |
</label> |
| 348 |
</p> |
| 349 |
<p> |
| 350 |
<label for="<?php echo $this->get_field_id("date"); ?>"> |
| 351 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("date"); ?>" name="<?php echo $this->get_field_name("date"); ?>"<?php checked( (bool) $instance["date"], true ); ?> /> |
| 352 |
<?php _e( 'Show post date' ); ?> |
| 353 |
</label> |
| 354 |
</p> |
| 355 |
<p> |
| 356 |
<label for="<?php echo $this->get_field_id("date_format"); ?>"> |
| 357 |
<?php _e( 'Date format:' ); ?> |
| 358 |
</label> |
| 359 |
<input class="text" placeholder="j M Y" id="<?php echo $this->get_field_id("date_format"); ?>" name="<?php echo $this->get_field_name("date_format"); ?>" type="text" value="<?php echo esc_attr($instance["date_format"]); ?>" size="8" /> |
| 360 |
</p> |
| 361 |
<p> |
| 362 |
<label for="<?php echo $this->get_field_id("date_link"); ?>"> |
| 363 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("date_link"); ?>" name="<?php echo $this->get_field_name("date_link"); ?>"<?php checked( (bool) $instance["date_link"], true ); ?> /> |
| 364 |
<?php _e( 'Make widget date link' ); ?> |
| 365 |
</label> |
| 366 |
</p> |
| 367 |
<p> |
| 368 |
<label for="<?php echo $this->get_field_id("excerpt"); ?>"> |
| 369 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("excerpt"); ?>" name="<?php echo $this->get_field_name("excerpt"); ?>"<?php checked( (bool) $instance["excerpt"], true ); ?> /> |
| 370 |
<?php _e( 'Show post excerpt' ); ?> |
| 371 |
</label> |
| 372 |
</p> |
| 373 |
<p> |
| 374 |
<label for="<?php echo $this->get_field_id("excerpt_length"); ?>"> |
| 375 |
<?php _e( 'Excerpt length (in words):' ); ?> |
| 376 |
</label> |
| 377 |
<input style="text-align: center;" type="text" id="<?php echo $this->get_field_id("excerpt_length"); ?>" name="<?php echo $this->get_field_name("excerpt_length"); ?>" value="<?php echo $instance["excerpt_length"]; ?>" size="3" /> |
| 378 |
</p> |
| 379 |
<?php if ( function_exists('the_post_thumbnail') && current_theme_supports("post-thumbnails") ) : ?> |
| 380 |
<p> |
| 381 |
<label for="<?php echo $this->get_field_id("thumb"); ?>"> |
| 382 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("thumb"); ?>" name="<?php echo $this->get_field_name("thumb"); ?>"<?php checked( (bool) $instance["thumb"], true ); ?> /> |
| 383 |
<?php _e( 'Show post thumbnail' ); ?> |
| 384 |
</label> |
| 385 |
</p> |
| 386 |
<p> |
| 387 |
<label for="<?php echo $this->get_field_id("thumbTop"); ?>"> |
| 388 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("thumbTop"); ?>" name="<?php echo $this->get_field_name("thumbTop"); ?>"<?php checked( (bool) $instance["thumbTop"], true ); ?> /> |
| 389 |
<?php _e( 'Thumbnail to top' ); ?> |
| 390 |
</label> |
| 391 |
</p> |
| 392 |
<p> |
| 393 |
<label> |
| 394 |
<?php _e('Thumbnail dimensions (in pixels)'); ?>:<br /> |
| 395 |
<label for="<?php echo $this->get_field_id("thumb_w"); ?>"> |
| 396 |
Width: <input class="widefat" style="width:30%;" type="text" id="<?php echo $this->get_field_id("thumb_w"); ?>" name="<?php echo $this->get_field_name("thumb_w"); ?>" value="<?php echo $instance["thumb_w"]; ?>" /> |
| 397 |
</label> |
| 398 |
|
| 399 |
<label for="<?php echo $this->get_field_id("thumb_h"); ?>"> |
| 400 |
Height: <input class="widefat" style="width:30%;" type="text" id="<?php echo $this->get_field_id("thumb_h"); ?>" name="<?php echo $this->get_field_name("thumb_h"); ?>" value="<?php echo $instance["thumb_h"]; ?>" /> |
| 401 |
</label> |
| 402 |
</label> |
| 403 |
</p> |
| 404 |
<p> |
| 405 |
<label for="<?php echo $this->get_field_id("hideNoThumb"); ?>"> |
| 406 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("hideNoThumb"); ?>" name="<?php echo $this->get_field_name("hideNoThumb"); ?>"<?php checked( (bool) $instance["hideNoThumb"], true ); ?> /> |
| 407 |
<?php _e( 'Hide posts which have no thumbnail' ); ?> |
| 408 |
</label> |
| 409 |
</p> |
| 410 |
<?php endif; ?> |
| 411 |
<p> |
| 412 |
<label for="<?php echo $this->get_field_id("comment_num"); ?>"> |
| 413 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("comment_num"); ?>" name="<?php echo $this->get_field_name("comment_num"); ?>"<?php checked( (bool) $instance["comment_num"], true ); ?> /> |
| 414 |
<?php _e( 'Show number of comments' ); ?> |
| 415 |
</label> |
| 416 |
</p> |
| 417 |
<p> |
| 418 |
<label for="<?php echo $this->get_field_id("author"); ?>"> |
| 419 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("author"); ?>" name="<?php echo $this->get_field_name("author"); ?>"<?php checked( (bool) $instance["author"], true ); ?> /> |
| 420 |
<?php _e( 'Show post author' ); ?> |
| 421 |
</label> |
| 422 |
</p> |
| 423 |
<p> |
| 424 |
<label for="<?php echo $this->get_field_id("footer_link"); ?>"> |
| 425 |
<?php _e( 'Footer link text' ); ?>: |
| 426 |
<input class="widefat" style="width:60%;" placeholder="... more by this topic" id="<?php echo $this->get_field_id("footer_link"); ?>" name="<?php echo $this->get_field_name("footer_link"); ?>" type="text" value="<?php echo esc_attr($instance["footer_link"]); ?>" /> |
| 427 |
</label> |
| 428 |
</p> |
| 429 |
<p> |
| 430 |
<label for="<?php echo $this->get_field_id("disable_css"); ?>"> |
| 431 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("disable_css"); ?>" name="<?php echo $this->get_field_name("disable_css"); ?>"<?php checked( (bool) $instance["disable_css"], true ); ?> /> |
| 432 |
<?php _e( 'Disable widget CSS' ); ?> |
| 433 |
</label> |
| 434 |
</p> |
| 435 |
<p> |
| 436 |
<label for="<?php echo $this->get_field_id("hide_if_empty"); ?>"> |
| 437 |
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("hide_if_empty"); ?>" name="<?php echo $this->get_field_name("hide_if_empty"); ?>"<?php checked( (bool) $instance["hide_if_empty"], true ); ?> /> |
| 438 |
<?php _e( 'Hide if empty' ); ?> |
| 439 |
</label> |
| 440 |
</p> |
| 441 |
<?php |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
add_action( 'widgets_init', create_function('', 'return register_widget("CategoryPosts");') ); |
| 446 |
|
