Add shortcode support

includes/widgets/class-displayfeaturedimagegenesis-widgets-shortcodes.php

@@ -0,0 +1,130 @@
+<?php
+
+/**
+ * Class DisplayFeaturedImageGenesisWidgetsShortcodes
+ */
+class DisplayFeaturedImageGenesisWidgetsShortcodes {
+
+	/**
+	 * @param $atts
+	 *
+	 * @return string
+	 */
+	public function shortcode_author( $atts ) {
+		$class    = 'Display_Featured_Image_Genesis_Author_Widget';
+		$defaults = $this->get_defaults( $class );
+		$atts     = shortcode_atts( $defaults, $atts, 'displayfeaturedimagegenesis_author' );
+		$atts     = $this->validate_shortcode( $atts, $class );
+
+		return $this->do_shortcode( $atts, $class );
+	}
+
+	/**
+	 * @param $atts
+	 *
+	 * @return string
+	 */
+	public function shortcode_post_type( $atts ) {
+		$class    = 'Display_Featured_Image_Genesis_Widget_CPT';
+		$defaults = $this->get_defaults( $class );
+		$atts     = shortcode_atts( $defaults, $atts, 'displayfeaturedimagegenesis_post_type' );
+		$atts     = $this->validate_shortcode( $atts, $class );
+
+		return $this->do_shortcode( $atts, $class );
+	}
+
+	/**
+	 * @param $atts
+	 *
+	 * @return string
+	 */
+	public function shortcode_term( $atts ) {
+		$class    = 'Display_Featured_Image_Genesis_Widget_Taxonomy';
+		$defaults = $this->get_defaults( $class );
+		$atts     = shortcode_atts( $defaults, $atts, 'displayfeaturedimagegenesis_term' );
+		$atts     = $this->validate_shortcode( $atts, $class );
+
+		return $this->do_shortcode( $atts, $class );
+	}
+
+	/**
+	 * @param $class
+	 *
+	 * @return mixed
+	 */
+	protected function get_defaults( $class ) {
+		$widget_class = new $class();
+
+		return $widget_class->defaults();
+	}
+
+	/**
+	 * @param $atts
+	 * @param $class
+	 *
+	 * @return string
+	 */
+	protected function do_shortcode( $atts, $class ) {
+		$args = array(
+			'id' => 'displayfeaturedimagegenesis-shortcode',
+		);
+		ob_start();
+		the_widget( $class, $atts, $args );
+		$output = ob_get_clean();
+
+		return do_shortcode( trim( $output ) );
+	}
+
+	/**
+	 * @param $atts
+	 * @param $class
+	 *
+	 * @return mixed
+	 */
+	protected function validate_shortcode( $atts, $class ) {
+		$fields = new $class();
+		foreach ( $fields->get_fields( $atts ) as $field ) {
+			$value = $field['args']['id'];
+			if ( ! isset( $atts[ $value ] ) ) {
+				continue;
+			}
+			switch ( $field['method'] ) {
+				// Sanitize numbers
+				case 'number':
+					$atts[ $value ] = $atts[ $value ] ? absint( $atts[ $value ] ) : '';
+					break;
+
+				// Sanitize checkboxes
+				case 'checkbox':
+					$atts[ $value ] = filter_var( $atts[ $value ], FILTER_VALIDATE_BOOLEAN );
+					break;
+
+				// Sanitize text fields
+				case 'text':
+					$atts[ $value ] = strip_tags( $atts[ $value ] );
+					break;
+
+				// Escape select options
+				case 'select':
+					$atts[ $value ] = esc_attr( $atts[ $value ] );
+					break;
+
+				case 'textarea':
+					if ( function_exists( 'sanitize_textarea_field' ) ) {
+						$atts[ $value ] = sanitize_textarea_field( $atts[ $value ] );
+					} else {
+						$atts[ $value ] = esc_textarea( $atts[ $value ] );
+					}
+					break;
+
+				// Default
+				default:
+					$atts[ $value ] = esc_attr( $atts[ $value ] );
+					break;
+			}
+		} // End foreach().
+		$atts['title'] = strip_tags( $atts['title'] );
+
+		return $atts;
+	}
+}