Posted 3 years ago #
Posted 3 years ago #
err.... confusing link.....
Posted 3 years ago #
copy the following content in a file as php and activate it as plugin:
<?php
// Displays widget on blag
// $widget_args: number
// number: which of the several widgets of this type do we mean
function jl_cat_posts_widget( $args, $widget_args = 1 ) {
extract( $args, EXTR_SKIP );
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract( $widget_args, EXTR_SKIP );
// Data should be stored as array: array( number => data for that instance of the widget, ... )
$options = get_option('widget_cat_posts');
if ( !isset($options[$number]) )
return;
$cat_id = empty($options[$number]['cat']) ? 1 : $options[$number]['cat'];
$title_link = (bool) $options[$number]['title_link'];
$excerpt = (bool) $options[$number]['excerpt'];
$num = $options[$number]['num']; // Number of posts to show.
// If not title, use the name of the category.
if( empty($options[$number]['title']) ) {
$category_info = get_category($cat_id);
$title = $category_info->name;
} else {
$title = $options[$number]['title'];
}
// Get array of post info.
$cat_posts = get_posts('numberposts='.$num.'&category='.$cat_id);
echo $before_widget;
echo $before_title;
if( $title_link ) {
echo '<a href="' . get_category_link($cat_id) . '">' . $title . '</a>';
} else {
echo $title;
}
echo $after_title;
echo '<ul>';
foreach($cat_posts as $post) {
setup_postdata($post);
echo '<table width="100%"><td><div><li class="cat-posts-item-' . $post->ID . '"> ' . '<img align="left" width="50" height="35" src="' . get_post_meta($post->ID, 'post_thumb', true) . '"></div> <a href="' . get_permalink($post) . '">' . $post->post_title . '</a></td></table>';
if( $excerpt ) {
echo '<br />';
if ($post->post_excerpt!=NULL)
echo $post->post_excerpt;
else
the_excerpt();
}
echo '</li>';
}
echo '</ul>';
echo $after_widget;
}
// Displays form for a particular instance of the widget. Also updates the data after a POST submit
// $widget_args: number
// number: which of the several widgets of this type do we mean
function jl_cat_posts_control( $widget_args = 1 ) {
global $wp_registered_widgets;
static $updated = false; // Whether or not we have already updated the data after a POST submit
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract( $widget_args, EXTR_SKIP );
// Data should be stored as array: array( number => data for that instance of the widget, ... )
$options = get_option('widget_cat_posts');
if ( !is_array($options) )
$options = array();
// We need to update the data
if ( !$updated && !empty($_POST['sidebar']) ) {
// Tells us what sidebar to put the data in
$sidebar = (string) $_POST['sidebar'];
$sidebars_widgets = wp_get_sidebars_widgets();
if ( isset($sidebars_widgets[$sidebar]) )
$this_sidebar =& $sidebars_widgets[$sidebar];
else
$this_sidebar = array();
foreach ( $this_sidebar as $_widget_id ) {
// Remove all widgets of this type from the sidebar. We'll add the new data in a second. This makes sure we don't get any duplicate data
// since widget ids aren't necessarily persistent across multiple updates
if ( 'jl_cat_posts_widget' == $wp_registered_widgets[$_widget_id]['callback'] && isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) {
$widget_number = $wp_registered_widgets[$_widget_id]['params'][0]['number'];
if ( !in_array( "cat-posts-$widget_number", $_POST['widget-id'] ) ) // the widget has been removed. "many-$widget_number" is "{id_base}-{widget_number}
unset($options[$widget_number]);
}
}
foreach ( (array) $_POST['cat-posts'] as $widget_number => $cat_posts_instance ) {
// compile data from $widget_many_instance
$title = wp_specialchars( $cat_posts_instance['title'] );
$options[$widget_number] = array( 'title' => $title, 'cat' => (int) $cat_posts_instance['cat'], 'num' => (int) $cat_posts_instance['num'], 'title_link' => (bool) $cat_posts_instance['title_link'], 'excerpt' => (bool) $cat_posts_instance['excerpt'] );
}
update_option('widget_cat_posts', $options);
$updated = true; // So that we don't go through this more than once
}
// Here we echo out the form
if ( -1 == $number ) { // We echo out a template for a form which can be converted to a specific form later via JS
$title = '';
$cat = '';
$num = 5;
$link = false;
$excerpt = false;
$number = '%i%';
} else {
$title = attribute_escape($options[$number]['title']);
$cat = (int) $options[$number]['cat'];
$num = (int) $options[$number]['num'];
$link = (bool) $options[$number]['title_link'];
$excerpt = (bool) $options[$number]['excerpt'];
}
// The form has inputs with names like widget-many[$number][something] so that all data for that instance of
// the widget are stored in one $_POST variable: $_POST['widget-many'][$number]
?>
<p>
<label for="cat-posts-title-<?php echo $number; ?>">
<?php _e( 'Title:' ); ?>
<input class="widefat" id="cat-posts-title-<?php echo $number; ?>" name="cat-posts[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" />
</label>
</p>
<p>
<label>
<?php _e( 'Category:' ); ?><br />
<?php wp_dropdown_categories( array( 'name' => 'cat-posts[' . $number . '][cat]', 'selected' => $cat ) ); ?>
</label>
</p>
<p>
<label for="cat-posts-number-<?php echo $number; ?>">
<?php _e('Number of posts to show:'); ?>
<input style="width: 25px; text-align: center;" id="cat-posts-number-<?php echo $number; ?>" name="cat-posts[<?php echo $number; ?>][num]" type="text" value="<?php echo $num; ?>" />
</label>
</p>
<p>
<label for="cat-posts-link-<?php echo $number; ?>">
<input type="checkbox" class="checkbox" id="cat-posts-link-<?php echo $number; ?>" name="cat-posts[<?php echo $number; ?>][title_link]"<?php checked( (bool) $link, true ); ?> />
<?php _e( 'Make widget title link' ); ?>
</label>
</p>
<p>
<label for="cat-posts-excerpt-<?php echo $number; ?>">
<input type="checkbox" class="checkbox" id="cat-posts-excerpt-<?php echo $number; ?>" name="cat-posts[<?php echo $number; ?>][excerpt]"<?php checked( (bool) $excerpt, true ); ?> />
<?php _e( 'Show post excerpt' ); ?>
</label>
</p>
<!--<input type="hidden" name="cat-posts[<?php echo $number; ?>][submit]" value="1" />-->
<?php
}
// Registers each instance of our widget on startup
function jl_cat_posts_register() {
if ( !$options = get_option('widget_cat_posts') )
$options = array();
$widget_ops = array('classname' => 'cat_posts', 'description' => __('Widget that shows posts from a specific category.'));
$control_ops = array('id_base' => 'cat-posts');
$name = __('Category Posts');
$registered = false;
foreach ( array_keys($options) as $o ) {
// Old widgets can have null values for some reason
if ( !isset($options[$o]['cat']) ) // we used 'something' above in our exampple. Replace with with whatever your real data are.
continue;
// $id should look like {$id_base}-{$o}
$id = "cat-posts-$o"; // Never never never translate an id
$registered = true;
wp_register_sidebar_widget( $id, $name, 'jl_cat_posts_widget', $widget_ops, array( 'number' => $o ) );
wp_register_widget_control( $id, $name, 'jl_cat_posts_control', $control_ops, array( 'number' => $o ) );
}
// If there are none, we register the widget's existance with a generic template
if ( !$registered ) {
wp_register_sidebar_widget( 'cat-posts-1', $name, 'jl_cat_posts_widget', $widget_ops, array( 'number' => -1 ) );
wp_register_widget_control( 'cat-posts-1', $name, 'jl_cat_posts_control', $control_ops, array( 'number' => -1 ) );
}
}
// This is important
add_action( 'widgets_init', 'jl_cat_posts_register' );
?>
Posted 3 years ago #
and create a custom field "post_thumb" for each post.
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