228 lines
8.7 KiB
PHP
Executable File
228 lines
8.7 KiB
PHP
Executable File
<?php
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/**
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* Widget for display latest posts.
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*
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* @package Ogma Blog
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*/
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// Exit if accessed directly
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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class Ogma_Blog_Latest_Posts extends WP_Widget {
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/**
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* Register widget with WordPress.
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*/
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public function __construct() {
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$widget_ops = array(
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'classname' => 'ogma-blog-widget ogma_blog_latest_posts',
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'description' => __( 'Display latest posts in various layouts.', 'ogma-blog' ),
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'customize_selective_refresh' => true,
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);
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parent::__construct( 'ogma_blog_latest_posts', __( 'OGMA BLOG: Latest Posts', 'ogma-blog' ), $widget_ops );
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}
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/**
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* Helper function that holds widget fields
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* Array is used in update and form functions
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*/
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private function widget_fields() {
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$fields = array(
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'widget_title' => array(
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'widget_field_name' => 'widget_title',
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'widget_field_title' => __( 'Widget Title', 'ogma-blog' ),
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'widget_field_default' => __( 'Latest Posts', 'ogma-blog' ),
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'widget_field_type' => 'title',
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'widget_field_placeholder' => __( 'Widget Title', 'ogma-blog' )
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),
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'posts_query_filter' => array(
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'widget_field_name' => 'posts_query_filter',
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'widget_field_title' => __( 'Posts Query Filter', 'ogma-blog' ),
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'widget_field_default' => 'latest',
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'widget_field_type' => 'select',
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'widget_field_options' => ogma_blog_posts_query_filter_choices()
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),
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'posts_count' => array(
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'widget_field_name' => 'posts_count',
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'widget_field_title' => __( 'No. of posts', 'ogma-blog' ),
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'widget_field_default' => 5,
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'widget_field_type' => 'number',
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'input_attr' => array(
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'min' => 1,
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'max' => 10,
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'step' => 1
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)
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),
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);
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return $fields;
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}
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/**
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* Front-end display of widget.
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*
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* @see WP_Widget::widget()
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*
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* @param array $args Widget arguments.
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* @param array $instance Saved values from database.
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*/
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public function widget( $args, $instance ) {
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extract( $args );
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if ( empty( $instance ) ) {
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return;
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}
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$widget_title = empty( $instance['widget_title'] ) ? '' : $instance['widget_title'];
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$posts_query_filter = empty( $instance['posts_query_filter'] ) ? 'latest' : $instance['posts_query_filter'];
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$posts_count = empty( $instance['posts_count'] ) ? 5 : $instance['posts_count'];
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$latest_args = array(
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'posts_per_page' => absint( $posts_count ),
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'ignore_sticky_posts' => true
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);
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if ( 'random' === $posts_query_filter ) {
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$latest_args['orderby'] = 'rand';
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}
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$latest_query = new WP_Query( $latest_args );
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$widget_custom_classes[] = 'latest-posts-wrapper';
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echo $before_widget;
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?>
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<div class="ogma-blog-aside <?php echo esc_attr( implode( ' ', $widget_custom_classes ) ); ?>">
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<?php
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if ( ! empty( $widget_title ) ) {
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echo $before_title . wp_kses_post( $widget_title ) . $after_title;
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}
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?>
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<div class="posts-wrapper latest-posts">
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<?php
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$total_posts_count = $latest_query->post_count;
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if ( $latest_query->have_posts() ) :
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while ( $latest_query->have_posts() ) :
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$latest_query->the_post();
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$current_post = $latest_query->current_post;
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if ( has_post_thumbnail() ) {
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$post_img = 'has-image';
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} else {
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$post_img = 'no-image';
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}
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if ( 0 === $current_post ) {
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echo '<div class="posts-main-wrapper">';
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$thumb_size = 'ogma-blog-block-medium';
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}
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if ( 1 === $current_post ) {
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echo '<div class="posts-column-wrapper">';
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$thumb_size = 'thumbnail';
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}
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?>
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<div class="post-wrap <?php echo esc_attr( $post_img ); ?>">
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<div class="post-thumbnail-wrap">
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<?php ogma_blog_post_thumbnail( $thumb_size ); ?>
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<?php ogma_blog_the_estimated_reading_time(); ?>
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</div><!-- .post-thumbnail-wrap -->
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<div class="post-content-wrap">
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<div class="post-cats-wrap">
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<?php ogma_blog_the_post_categories_list( get_the_ID(), 1 ); ?>
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</div><!-- .post-cats-wrap -->
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<div class="post-title-wrap">
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<?php the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' ); ?>
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</div><!-- .post-title-wrap -->
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<div class="post-meta-wrap">
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<?php
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ogma_blog_posted_on();
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?>
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</div><!-- .post-meta-wrap -->
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</div> <!-- post-content-wrap -->
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</div><!-- .post-wrap -->
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<?php
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if ( 0 === $current_post ) {
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echo '</div><!-- .posts-main-wrapper -->';
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}
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if ( $total_posts_count === $current_post + 1 && $total_posts_count > 1 ) {
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echo '</div><!-- .posts-column-wrapper -->';
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}
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endwhile;
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endif;
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?>
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</div><!-- .posts-wrapper -->
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</div><!-- .ogma-blog-aside -->
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<?php
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echo $after_widget;
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}
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/**
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* Sanitize widget form values as they are saved.
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*
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* @see WP_Widget::update()
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*
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* @param array $new_instance Values just sent to be saved.
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* @param array $old_instance Previously saved values from database.
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*
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* @uses ogma_blog_widget_updated_field_value() defined in ogma-blog-widgets-helper.php
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*
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* @return array Updated safe values to be saved.
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$widget_fields = $this->widget_fields();
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// Loop through fields
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foreach ( $widget_fields as $widget_field ) {
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extract( $widget_field );
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// Use helper function to get updated field values
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$instance[$widget_field_name] = ogma_blog_widget_updated_field_value( $widget_field, $new_instance[$widget_field_name] );
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}
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return $instance;
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}
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/**
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* Back-end widget form.
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*
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* @see WP_Widget::form()
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*
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* @param array $instance Previously saved values from database.
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*
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* @uses ogma_blog_show_widget_field() defined in ogma-blog-widgets-helper.php
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*/
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public function form( $instance ) {
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$widget_fields = $this->widget_fields();
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// Loop through fields
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foreach ( $widget_fields as $widget_field ) {
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// Make array elements available as variables
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extract( $widget_field );
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if ( empty( $instance ) && isset( $widget_field_default ) ) {
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$widget_field_value = $widget_field_default;
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} elseif ( empty( $instance ) ) {
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$widget_field_value = '';
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} else {
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$widget_field_value = $instance[$widget_field_name];
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}
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ogma_blog_show_widget_field( $this, $widget_field, $widget_field_value );
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}
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}
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} //end Class Ogma_Blog_Latest_Posts
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