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Recent Posts with Images
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| <?php | |
| /* | |
| Plugin Name: Recent Posts with Images | |
| Plugin URI: http://webdevstudios.com | |
| Description: Display recent posts with images filterable by category or post type in a widget area. | |
| Version: 1.0.0 | |
| Author: WebDevStudios | |
| Author URI: http://webdevstudios.com | |
| License: GPLv2 | |
| Text Domain: textdomain | |
| */ | |
| class Recent_Posts_with_Images extends WP_Widget { | |
| /** | |
| * Contruct widget | |
| */ | |
| public function __construct() { | |
| parent::__construct( | |
| 'recent_posts_thumbnails', // Base ID | |
| __( 'Recent Posts with Thumbnails', 'textdomain' ), // Name | |
| array( 'description' => __( 'Display recent posts with thumbnails filterable by category or post type in a widget area.', 'textdomain' ) ) // Args | |
| ); | |
| add_action( 'publish_post', array( $this, 'delete_transient_on_publish' ) ); | |
| } | |
| /** | |
| * Delete transient on post publish | |
| */ | |
| public function delete_transient_on_publish() { | |
| delete_transient( $this->id ); | |
| } | |
| /** | |
| * Front-end display of widget. | |
| * | |
| * @see WP_Widget::widget() | |
| * | |
| * @param array $args Widget arguments. | |
| * @param array $instance Saved values from database. | |
| */ | |
| public function widget( $args, $instance ) { | |
| // Get options | |
| extract( $args ); | |
| $title = $instance['title']; | |
| $ppp = $instance['post_count']; | |
| $show_args = $instance['which_query']; | |
| $show_img = $instance['show_img']; | |
| $img_height = $instance['img_height']; | |
| $img_width = $instance['img_width']; | |
| echo $before_widget; | |
| // Check for title | |
| if ( isset( $title ) ) { | |
| echo $before_title . sanitize_text_field( $title ) . $after_title; | |
| } | |
| // Check for transient | |
| if ( false === ( $headlines = get_transient( $this->id ) ) ) { | |
| if ( 'all' == $show_args ) { | |
| // Execute WP Query | |
| $headlines = new WP_Query( array( | |
| 'posts_per_page' => absint( $instance['post_count'] ) | |
| )); | |
| } | |
| if ( 'cat' == $show_args ) { | |
| // Execute WP Query | |
| $headlines = new WP_Query( array( | |
| 'category_name' => esc_attr( $instance['category'] ), | |
| 'posts_per_page' => absint( $instance['post_count'] ) | |
| )); | |
| } | |
| if ( 'cpt' == $show_args ) { | |
| // Execute WP Query | |
| $headlines = new WP_Query( array( | |
| 'post_type' => esc_attr( $instance['cpt'] ), | |
| 'posts_per_page' => absint( $instance['post_count'] ) | |
| )); | |
| } | |
| // Store transient and expire after 4 hours | |
| set_transient( $this->id, $headlines, 4 * HOUR_IN_SECONDS ); | |
| } | |
| echo '<ul class="headlines">'; | |
| if ( $headlines->have_posts() ) { | |
| while ( $headlines->have_posts() ) { $headlines->the_post(); | |
| // If 'display thumbnail' is enabled | |
| if ( $show_img AND $show_img == true ) { | |
| // Get post thumbnail attributes | |
| $img_attr = wp_get_attachment_image_src( get_post_thumbnail_id( absint( get_the_ID() ) ), 'post-thumbnail' ); | |
| // If no image, set a default | |
| if ( empty( $img_attr ) ) { | |
| $img_src = plugins_url( 'img/stock-image-150x150.jpg' , __FILE__ ); | |
| } else { | |
| $img_src = $img_attr[0]; | |
| } | |
| // Write html | |
| echo '<li style="height:' . absint( $img_height + 5 ) . 'px;"><a class="thumbnail-link" href="' . get_permalink() . '"><img src="' . esc_url( $img_src ) . '" height="' . absint( $img_height ) . '" width="' . absint( $img_width ) . '" style="float:left;height:' . absint( $img_height ) . 'px;margin-right:10px;width:' . absint( $img_width ) . 'px;vertical-align:middle;" alt="' . esc_html( get_the_title() ) . '" title="' . esc_html( get_the_title() ) . '"></a><a class="headline-link" href="' . esc_url( get_permalink() ) . '">' . esc_html( get_the_title() ) . '</a></li>'; | |
| } else { | |
| // If 'display thumbnail' is disabled, just write html | |
| echo '<li><a class="headline-link" href="' . esc_url( get_permalink() ) . '">' . esc_html( get_the_title() ) . '</a></li>'; | |
| } | |
| } // endwhile | |
| wp_reset_postdata(); | |
| } else { | |
| echo __( 'Sorry, no posts found.', 'textdomain' ); | |
| } | |
| echo '</ul>'; | |
| echo $after_widget; | |
| } | |
| /** | |
| * Back-end widget form with defaults | |
| * | |
| * @see WP_Widget::form() | |
| * | |
| * @param array $instance Previously saved values from database. | |
| */ | |
| public function form( $instance ) { | |
| // Set default options | |
| $instance = wp_parse_args( (array) $instance, array( | |
| 'title' => 'Recent Posts', | |
| 'which_query' => 'cat', | |
| 'category' => 'Uncategorized', | |
| 'post_count' => '5', | |
| 'show_img' => 'on', | |
| 'img_width' => '50', | |
| 'img_height' => '50', | |
| )); ?> | |
| <p><label><?php _e( 'Title:', 'textdomain' ); ?></label> | |
| <input class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" /></p> | |
| <p><label for="<?php echo $this->get_field_name( 'which_query' ); ?>"><?php _e( 'Use:', 'textdomain' ); ?></label><br /> | |
| <input type="radio" id="<?php echo $this->get_field_id( 'which_query' ); ?>" name="<?php echo $this->get_field_name( 'which_query' ); ?>" <?php if( $instance['which_query'] == 'all') echo 'checked="checked"'; ?> value="all" />All Posts<br> | |
| <input type="radio" id="<?php echo $this->get_field_id( 'which_query' ); ?>" name="<?php echo $this->get_field_name( 'which_query' ); ?>" <?php if( $instance['which_query'] == 'cat') echo 'checked="checked"'; ?> value="cat" />Category<br> | |
| <input type="radio" id="<?php echo $this->get_field_id( 'which_query' ); ?>" name="<?php echo $this->get_field_name( 'which_query' ); ?>" <?php if( $instance['which_query'] == 'cpt') echo 'checked="checked"'; ?> value="cpt" />Post Type<br> | |
| <p><label for="<?php echo $this->get_field_name( 'category' ); ?>"><?php _e( 'Category:', 'textdomain' ); ?></label></p> | |
| <p><select class="widefat" name="<?php echo $this->get_field_name( 'category' ); ?>"> | |
| <?php | |
| $categories = get_categories(); ?> | |
| <option value="none">-- none --</option> | |
| <?php foreach ( $categories as $category ) { ?> | |
| <option value="<?php echo esc_attr( $category->cat_name ) ?>" <?php if ( $instance['category'] == $category->cat_name ) echo 'selected="selected"'; ?>><?php echo esc_attr( $category->cat_name ); ?></option> | |
| <?php } ?> | |
| </select></p> | |
| <p><label for="<?php echo $this->get_field_name( 'cpt' ); ?>"><?php _e( 'Post Type:', 'textdomain' ); ?></label></p> | |
| <p><select class="widefat" name="<?php echo $this->get_field_name( 'cpt' ); ?>"> | |
| <?php | |
| $args = array( 'public' => true, '_builtin' => false ); | |
| $output = 'names'; | |
| $post_types = get_post_types( $args, $output ); ?> | |
| <option value="none">-- none --</option> | |
| <?php foreach ( $post_types as $post_type ) { ?> | |
| <option value="<?php echo esc_attr( $post_type ) ?>" <?php if ( $instance['cpt'] == $post_type ) echo 'selected="selected"'; ?>><?php echo esc_attr( $post_type ); ?></option> | |
| <?php } ?> | |
| </select></p> | |
| <p><label for="<?php echo $this->get_field_name( 'post_count' ); ?>"><?php _e( 'Number of posts to display:', 'textdomain' ); ?></label> | |
| <select name="<?php echo $this->get_field_name( 'post_count' ); ?>"> | |
| <option value="1" <?php selected( $instance['post_count'], '1' ); ?>>1</option> | |
| <option value="2" <?php selected( $instance['post_count'], '2' ); ?>>2</option> | |
| <option value="3" <?php selected( $instance['post_count'], '3' ); ?>>3</option> | |
| <option value="4" <?php selected( $instance['post_count'], '4' ); ?>>4</option> | |
| <option value="5" <?php selected( $instance['post_count'], '5' ); ?>>5</option> | |
| <option value="6" <?php selected( $instance['post_count'], '6' ); ?>>6</option> | |
| </select></p> | |
| <hr class="div"> | |
| <p><label for="<?php echo esc_attr( $this->get_field_id( 'show_img' ) ); ?>"><?php _e( 'Display thumbnail: ', 'textdomain' ); ?></label> | |
| <input class="checkbox" type="checkbox" value ="1" <?php checked( '1', $show_img ); ?> id="<?php echo esc_attr( $this->get_field_id( 'show_img' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_img' ) ); ?>'); ?>" /></p> | |
| <p> | |
| <label for="<?php echo $this->get_field_id( 'img_width' ); ?>"><?php _e( 'Thumbnail size: ', 'textdomain' ) ?></label> | |
| <input id="<?php echo esc_attr( $this->get_field_id( 'img_width' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'img_width' ) ); ?>" type="text" size="3" value="<?php echo esc_attr( $instance['img_width'] ); ?>" style="padding: 1px; font-size: 12px; margin: 5px 0;" autocomplete="off" placeholder="width" />× | |
| <input id="<?php echo esc_attr( $this->get_field_id( 'img_height' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'img_height' ) ); ?>" type="text" size="3" value="<?php echo esc_attr( $instance['img_height'] );?>" style="padding: 1px; font-size: 12px; margin: 5px 0;" autocomplete="off" placeholder="height" />px</p> | |
| <hr class="div"> | |
| <p style="margin:20px 0 0;" class="description"><?php _e( 'Use the "Widget Visibility" options below to select where this widget appears.', 'textdomain' ); ?></p> | |
| <?php | |
| } | |
| /** | |
| * Update form values as they are saved. | |
| * | |
| * @see WP_Widget::update() | |
| * | |
| * @param array $new_instance Values just sent to be saved. | |
| * @param array $old_instance Previously saved values from database. | |
| * | |
| * @return array Updated values to be saved. | |
| */ | |
| public function update( $new_instance, $old_instance ) { | |
| $instance = array(); | |
| // Sanitize options | |
| foreach ( array( 'title', 'which_query', 'category', 'cpt', 'post_count', 'show_img', 'img_width', 'img_height' ) as $key => $value ) { | |
| $instance[$value] = sanitize_text_field( $new_instance[$value] ); | |
| } | |
| // Delete transient on widget save | |
| delete_transient( $this->id ); | |
| return $instance; | |
| } | |
| } // end Recent_Posts_with_Images | |
| // Start the widget | |
| add_action( 'widgets_init', function() { register_widget( 'Recent_Posts_with_Images' ); } ); |
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