<?php
/**
* Vmag: Featured Slider
*
* Widget to be manage slider section with featured posts which have options to hide featuerd posts.
*
* @package VMag
*/
add_action( 'widgets_init', 'vmag_register_featured_slider_widget' );
function vmag_register_featured_slider_widget() {
register_widget( 'vmag_featured_slider' );
}
class Vmag_Featured_Slider extends WP_Widget {
/**
* Register widget with WordPress.
*/
public function __construct() {
parent::__construct(
'vmag_featured_slider', __( 'VMag: Featured Slider', 'vmag' ), array(
'description' => __( 'This widget for showing slider and featured posts in slider section.', 'vmag' )
)
);
}
/**
* Helper function that holds widget fields
* Array is used in update and form functions
*/
private function widget_fields() {
global $vmag_cat_dropdown, $vmag_posts_type;
$fields = array(
'slider_section_header' => array(
'vmag_widgets_name' => 'slider_section_header',
'vmag_widgets_title' => __( 'Slider Section', 'vmag' ),
'vmag_widgets_field_type' => 'section_header'
),
'vmag_slide_count' => array(
'vmag_widgets_name' => 'vmag_slide_count',
'vmag_widgets_title' => __( 'No of slides', 'vmag' ),
'vmag_widgets_default' => 5,
'vmag_widgets_field_type' => 'number'
),
'vmag_slider_post_type' => array(
'vmag_widgets_name' => 'vmag_slider_post_type',
'vmag_widgets_title' => __( 'Slider posts: ', 'vmag' ),
'vmag_widgets_field_type' => 'radio',
'vmag_widgets_default' => 'latest_posts',
'vmag_widgets_field_options' => $vmag_posts_type
),
'vmag_slider_category' => array(
'vmag_widgets_name' => 'vmag_slider_category',
'vmag_widgets_title' => __( 'Category for Slider', 'vmag' ),
'vmag_widgets_default' => 0,
'vmag_widgets_field_type' => 'select',
'vmag_widgets_field_options' => $vmag_cat_dropdown
),
'featured_section_header' => array(
'vmag_widgets_name' => 'featured_section_header',
'vmag_widgets_title' => __( 'Featured Posts Section', 'vmag' ),
'vmag_widgets_field_type' => 'section_header'
),
'featured_section_option' => array(
'vmag_widgets_name' => 'featured_section_option',
'vmag_widgets_title' => __( 'Featured Section Option', 'vmag' ),
'vmag_widgets_description' => __( 'Check to disable featured posts section', 'vmag' ),
'vmag_widgets_field_type' => 'checkbox',
),
'vmag_featured_post_type' => array(
'vmag_widgets_name' => 'vmag_featured_post_type',
'vmag_widgets_title' => __( 'Featured posts: ', 'vmag' ),
'vmag_widgets_field_type' => 'radio',
'vmag_widgets_default' => 'latest_posts',
'vmag_widgets_field_options' => $vmag_posts_type
),
'vmag_featured_category' => array(
'vmag_widgets_name' => 'vmag_featured_category',
'vmag_widgets_title' => __( 'Category for Featured Posts', 'vmag' ),
'vmag_widgets_default' => 0,
'vmag_widgets_field_type' => 'select',
'vmag_widgets_field_options' => $vmag_cat_dropdown
),
);
return $fields;
}
/**
* 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 ) {
extract( $args );
if( empty( $instance ) ) {
return ;
}
$vmag_slide_count = empty( $instance['vmag_slide_count'] ) ? 5 : $instance['vmag_slide_count'];
$vmag_slider_type = empty( $instance['vmag_slider_post_type'] ) ? 'latest_posts' : $instance['vmag_slider_post_type'];
$vmag_slider_cat_id = empty( $instance['vmag_slider_category'] ) ? 0 : $instance['vmag_slider_category'];
$featured_option = empty( $instance['featured_section_option'] ) ? '' : $instance['featured_section_option'];
$featured_type = empty( $instance['vmag_featured_post_type'] ) ? 'latest_posts' : $instance['vmag_featured_post_type'];
$featured_cat_id = empty( $instance['vmag_featured_category'] ) ? 0 : $instance['vmag_featured_category'];
echo wp_kses_post($before_widget);
?>
<div class="featured-slider-wrapper">
<div class="section-wrapper clearfix">
<div class="slider-section <?php if( !empty( $featured_option ) ) { echo 'slider-fullwidth'; }?>">
<?php
$vmag_slider_args = vmag_query_args( $vmag_slider_type, $vmag_slide_count, $vmag_slider_cat_id );
$vmag_slider_query = new WP_Query( $vmag_slider_args );
if( $vmag_slider_query->have_posts() ) {
echo '<ul class="featuredSlider cS-hidden">';
while( $vmag_slider_query->have_posts() ) {
$vmag_slider_query->the_post();
$image_id = get_post_thumbnail_id();
if( !empty( $featured_option ) ) {
$image_path = wp_get_attachment_image_src( $image_id, 'vmag-single-large', true );
} else {
$image_path = wp_get_attachment_image_src( $image_id, 'vmag-slider-thumb', true );
}
$image_alt = get_post_meta( $image_id, '_wp_attachment_image_alt', true );
if( has_post_thumbnail() ) {
?>
<li class="slide">
<a class="slider-img thumb-zoom" href="<?php the_permalink(); ?>">
<img src="<?php echo esc_url( $image_path[0] ); ?>" alt="<?php echo esc_attr( $image_alt ); ?>" title="<?php the_title(); ?>">
</a>
<div class="slider-caption">
<?php do_action( 'vmag_post_tag_lists' ); ?>
<h3 class="featured-large-font"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
<div class="post-meta"><?php do_action( 'vmag_post_meta' ); ?></div>
</div>
</li>
<?php
}
}
echo '</ul>';
}
wp_reset_query();
?>
</div><!-- .slider-section -->
<?php if( empty( $featured_option ) ) { ?>
<div class="featured-post-section">
<?php
$vmag_featured_args = vmag_query_args( $featured_type, 3, $featured_cat_id );
$vmag_featured_query = new WP_Query( $vmag_featured_args );
$post_count = 0;
if( $vmag_featured_query->have_posts() ) {
while( $vmag_featured_query->have_posts() ) {
$vmag_featured_query->the_post();
$post_count++;
$image_id = get_post_thumbnail_id();
$post_align = '';
if( $post_count == 1 ) {
$image_path = wp_get_attachment_image_src( $image_id, 'vmag-horizontal-thumb', true );
$vmag_font_size = 'featured-large-font';
} else {
$image_path = wp_get_attachment_image_src( $image_id, 'vmag-featured-thumb', true );
$vmag_font_size = 'featured-small-font';
}
$image_alt = get_post_meta( $image_id, '_wp_attachment_image_alt', true );
if( $post_count == 2 ) {
$post_align = 'left';
} elseif( $post_count == 3 ) {
$post_align = 'right';
}
?>
<div class="featured-article <?php echo esc_attr( $post_align ); ?> ">
<?php if( has_post_thumbnail() ) { ?>
<a class="featured-img thumb-zoom" href="<?php the_permalink(); ?>" title="<?php the_title(); ?>">
<img src="<?php echo esc_url( $image_path[0] ); ?>" alt="<?php echo esc_attr( $image_alt ); ?>" title="<?php the_title(); ?>">
<div class="image-overlay"></div>
</a>
<?php } ?>
<div class="post-caption">
<?php do_action( 'vmag_post_tag_lists' ); ?>
<h3 class="<?php echo esc_attr( $vmag_font_size ); ?>"><a href="<?php the_permalink(); ?>"><?php the_title();?></a></h3>
<div class="post-meta"><?php do_action( 'vmag_post_meta' ); ?></div>
</div>
</div>
<?php
}
}
wp_reset_query();
?>
</div><!-- .featured-post-section -->
<?php } ?>
</div><!-- .section-wrapper -->
</div><!-- .featured-slider-wrapper -->
<?php
echo wp_kses_post($after_widget);
}
/**
* Sanitize widget 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.
*
* @uses vmag_widgets_updated_field_value() defined in vmag-widget-fields.php
*
* @return array Updated safe values to be saved.
*/
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$widget_fields = $this->widget_fields();
// Loop through fields
foreach ( $widget_fields as $widget_field ) {
extract( $widget_field );
// Use helper function to get updated field values
$instance[$vmag_widgets_name] = vmag_widgets_updated_field_value( $widget_field, $new_instance[$vmag_widgets_name] );
}
return $instance;
}
/**
* Back-end widget form.
*
* @see WP_Widget::form()
*
* @param array $instance Previously saved values from database.
*
* @uses vmag_widgets_show_widget_field() defined in widget-fields.php
*/
public function form( $instance ) {
$widget_fields = $this->widget_fields();
// Loop through fields
foreach ( $widget_fields as $widget_field ) {
// Make array elements available as variables
extract( $widget_field );
$vmag_widgets_field_value = !empty( $instance[$vmag_widgets_name]) ? esc_attr($instance[$vmag_widgets_name] ) : '';
vmag_widgets_show_widget_field( $this, $widget_field, $vmag_widgets_field_value );
}
}
}