category-posts / cat-posts.php

cat-posts.php in Category Posts Block 2.2, at cat-posts.php

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1	<?php
2	/*
3	Plugin Name: Category Posts Widget
4	Plugin URI: http://jameslao.com/2009/07/29/category-posts-widget-2-0/
5	Description: Adds a widget that can display a specified number of posts from a single category. Can also set how many widgets to show.
6	Author: James Lao
7	Version: 2.2
8	Author URI: http://jameslao.com/
9	*/
10
11	class CategoryPosts extends WP_Widget {
12
13	function CategoryPosts() {
14	parent::WP_Widget(false, $name='Category Posts');
15	}
16
17	/**
18	* Displays category posts widget on blog.
19	*/
20	function widget($args, $instance) {
21	global $post, $wp_query;
22	extract( $args );
23
24	// If not title, use the name of the category.
25	if( !$instance["title"] ) {
26	$category_info = get_category($instance["cat"]);
27	$instance["title"] = $category_info->name;
28	}
29
30	// Save old query...
31	$old_query = $wp_query;
32
33	// Get array of post info.
34	query_posts("showposts=" . $instance["num"] . "&cat=" . $instance["cat"]);
35
36	echo $before_widget;
37
38	// Widget title
39
40	echo $before_title;
41	if( (bool) $instance["title_link"] )
42	echo '<a href="' . get_category_link($instance["cat"]) . '">' . $instance["title"] . '</a>';
43	else
44	echo $instance["title"];
45	echo $after_title;
46
47	// Post list
48	echo "<ul>\n";
49
50	while ( have_posts() ) : the_post();
51	?>
52	<li class='cat-post-item'>
53
54	<?php if ( (bool) $instance["thumbnail"] && function_exists('p75HasThumbnail') && p75HasThumbnail($post->ID) ) { ?>
55
56	<a href="<?php the_permalink(); ?>" title="<?php echo the_title_attribute(); ?>"><img class='alignleft' src='<?php echo p75GetThumbnail($post->ID, $instance["thumbnail_width"], $instance["thumbnail_height"]); ?>' alt='<?php echo the_title_attribute(); ?>' /></a>
57
58	<?php } // end thumbnail function check ?>
59
60	<a class="post-title" href="<?php echo the_permalink(); ?>" title="<?php echo the_title_attribute(); ?>"><?php echo the_title(); ?></a>
61
62	<?php if ( $instance['excerpt'] ) the_excerpt(); ?>
63	</li>
64	<?php
65	endwhile;
66
67	echo "</ul>\n";
68
69	echo $after_widget;
70
71	// Won't even know I was here...
72	$wp_query = $old_query;
73	}
74
75	/**
76	* Form processing... Dead simple.
77	*/
78	function update($new_instance, $old_instance) {
79	$new_instance["cat"] = absint( $new_instance["cat"] );
80	$new_instance["exclude"] = (bool) $new_instance["exclude"];
81
82	return $new_instance;
83	}
84
85	/**
86	* The configuration form.
87	*/
88	function form($instance) {
89	?>
90	<p>
91	<label for="<?php echo $this->get_field_id("title"); ?>">
92	<?php _e( 'Title' ); ?>:
93	<input class="widefat" id="<?php echo $this->get_field_id("title"); ?>" name="<?php echo $this->get_field_name("title"); ?>" type="text" value="<?php echo esc_attr($instance["title"]); ?>" />
94	</label>
95	</p>
96
97	<p>
98	<label>
99	<?php _e( 'Category' ); ?>:
100	<?php wp_dropdown_categories( array( 'name' => $this->get_field_name("cat"), 'selected' => $instance["cat"] ) ); ?>
101	</label>
102	</p>
103
104	<p>
105	<label for="<?php echo $this->get_field_id("num"); ?>">
106	<?php _e('Number of posts to show'); ?>:
107	<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' />
108	</label>
109	</p>
110
111	<p>
112	<label for="<?php echo $this->get_field_id("title_link"); ?>">
113	<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 ); ?> />
114	<?php _e( 'Make widget title link' ); ?>
115	</label>
116	</p>
117
118	<p>
119	<label for="<?php echo $this->get_field_id("excerpt"); ?>">
120	<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 ); ?> />
121	<?php _e( 'Show post excerpt' ); ?>
122	</label>
123	</p>
124
125	<?php if ( function_exists("p75GetThumbnail") ) : ?>
126	<p>
127	<label for="<?php echo $this->get_field_id("thumbnail"); ?>">
128	<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("thumbnail"); ?>" name="<?php echo $this->get_field_name("thumbnail"); ?>"<?php checked( (bool) $instance["thumbnail"], true ); ?> />
129	<?php _e( 'Show post thumbnail' ); ?>
130	</label>
131	</p>
132	<p>
133	<label>
134	<?php _e('Thumbnail dimensions'); ?>:<br />
135	<label for="<?php echo $this->get_field_id("thumbnail_width"); ?>">
136	W: <input class="widefat" style="width:40%;" type="text" id="<?php echo $this->get_field_id("thumbnail_width"); ?>" name="<?php echo $this->get_field_name("thumbnail_width"); ?>" value="<?php echo $instance["thumbnail_width"]; ?>" />
137	</label>
138
139	<label for="<?php echo $this->get_field_id("thumbnail_height"); ?>">
140	H: <input class="widefat" style="width:40%;" type="text" id="<?php echo $this->get_field_id("thumbnail_height"); ?>" name="<?php echo $this->get_field_name("thumbnail_height"); ?>" value="<?php echo $instance["thumbnail_height"]; ?>" />
141	</label>
142	</label>
143	</p>
144	<?php endif; ?>
145
146	<?php
147
148	}
149
150	}
151
152	add_action( 'widgets_init', create_function('', 'return register_widget("CategoryPosts");') );
153
154	?>
155