<?php

/*-----------------------------------------------------------------------------------



CLASS INFORMATION



Description: A custom WooThemes Feedback widget.

Date Created: 2011-08-18.

Last Modified: 2011-08-18.

Author: Matty @ WooThemes.

Since: 4.5.0





TABLE OF CONTENTS



- function (constructor)

- function widget ()

- function update ()

- function form ()



- Register the widget on `widgets_init`.



-----------------------------------------------------------------------------------*/



class Woo_Widget_Feedback extends WP_Widget {



	/*----------------------------------------

	  Constructor.

	  ----------------------------------------

	  

	  * The constructor. Sets up the widget.

	----------------------------------------*/

	

	function Woo_Widget_Feedback () {

		

		/* Widget settings. */

		$widget_ops = array( 'classname' => 'widget_woo_feedback', 'description' => __( 'Display your feedback in a customised widget.', 'woothemes' ) );



		/* Widget control settings. */

		$control_ops = array( 'width' => 250, 'height' => 350, 'id_base' => 'woo_feedback' );



		/* Create the widget. */

		$this->WP_Widget( 'woo_feedback', __('Woo - Feedback', 'woothemes' ), $widget_ops, $control_ops );

		

		/* Make sure the JavaScript for this widget loads. */

		add_filter( 'woo_load_feedback_js', '__return_true', 10 );

		

	} // End Constructor

 	

 	/*----------------------------------------

	  widget()

	  ----------------------------------------

	  

	  * Displays the widget on the frontend.

	----------------------------------------*/



	function widget( $args, $instance ) {  

		

		$html = '';

		

		extract( $args, EXTR_SKIP );

		

		/* Our variables from the widget settings. */

		$title = apply_filters('widget_title', $instance['title'], $instance, $this->id_base );

		

		$limit = $instance['limit']; if ( ! intval( $limit ) ) { $limit = 5; }

		

		$effect = $instance['effect'];

		$pagination = $instance['pagination'];

		$display_author = $instance['display_author'];

		$display_url = $instance['display_url'];

		$unique_id = $args['widget_id'];

		

		// Make sure our checkboxes are either true if available or false if empty.

		foreach ( array( 'pagination', 'display_author', 'display_url' ) as $k ) {

			if ( isset( $instance[$k] ) ) {

				if ( $instance[$k] == true ) {

					${$k} = true;

				} else {

					${$k} = false;

				}

			} else {

				${$k} = false;

			}

		}

		

		/* Before widget (defined by themes). */

		echo $before_widget;



		/* Display the widget title if one was input (before and after defined by themes). */

		if ( $title ) {

		

			echo $before_title . $title . $after_title;

		

		} // End IF Statement

		

		/* Widget content. */

		

		// Add actions for plugins/themes to hook onto.

		do_action( 'woo_widget_feedback_top' );

		

		$html = '';

		

		$query_args = array(

			'echo' => false

			);

		

		if ( $limit > 0 ) {

			$query_args['limit'] = $limit;

		}

		

		$query_args['effect'] = $effect;

		$query_args['pagination'] = $pagination;

		$query_args['display_author'] = $display_author;

		$query_args['display_url'] = $display_url;

		

		$html .= woo_display_feedback_entries( $query_args );

		

		echo $html; 

		

		// Add actions for plugins/themes to hook onto.

		do_action( 'woo_widget_feedback_bottom' );



		/* After widget (defined by themes). */

		echo $after_widget;



	} // End widget()

	

	/*----------------------------------------

	  update()

	  ----------------------------------------

	  

	  * Function to update the settings from

	  * the form() function.

	  

	  * Params:

	  * - Array $new_instance

	  * - Array $old_instance

	----------------------------------------*/

	

	function update ( $new_instance, $old_instance ) {

		

		$instance = $old_instance;



		/* Strip tags for title and name to remove HTML (important for text inputs). */

		$instance['title'] = strip_tags( $new_instance['title'] );

		

		$instance['limit'] = esc_attr( $new_instance['limit'] );

		

		/* The select box is returning a text value, so we escape it. */

		$instance['effect'] = esc_attr( $new_instance['effect'] );

		

		/* The checkbox is returning a Boolean (true/false), so we check for that. */

		$instance['pagination'] = (bool) esc_attr( $new_instance['pagination'] );

		$instance['display_author'] = (bool) esc_attr( $new_instance['display_author'] );

		$instance['display_url'] = (bool) esc_attr( $new_instance['display_url'] );

		

		return $instance;

		

	} // End update()



	/*----------------------------------------

	  form()

	  ----------------------------------------

	  

	  * The form on the widget control in the

	  * widget administration area.

	  

	  * Make use of the get_field_id() and 

	  * get_field_name() function when creating

	  * your form elements. This handles the confusing stuff.

	  

	  * Params:

	  * - Array $instance

	----------------------------------------*/



   function form( $instance ) {       

   

       /* Set up some default widget settings. */

		$defaults = array(

						'title' => __( 'Feedback', 'woothemes' ), 

						'limit' => 5, 

						'effect' => 'fade', 

						'pagination' => false, 

						'display_author' => false, 

						'display_url' => false

					);



		$instance = wp_parse_args( (array) $instance, $defaults );

?>

       <!-- Widget Title: Text Input -->

       <p>

	   	   <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title (optional):', 'woothemes' ); ?></label>

	       <input type="text" name="<?php echo $this->get_field_name( 'title' ); ?>"  value="<?php echo $instance['title']; ?>" class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" />

       </p>

       <!-- Widget Limit: Text Input -->

       <p>

	   	   <label for="<?php echo $this->get_field_id( 'limit' ); ?>"><?php _e( 'Limit:', 'woothemes' ); ?></label>

	       <input type="text" name="<?php echo $this->get_field_name( 'limit' ); ?>"  value="<?php echo $instance['limit']; ?>" class="" size="3" id="<?php echo $this->get_field_id( 'limit' ); ?>" />

       </p>

       <!-- Widget Effect: Select Input -->

		<p>

			<label for="<?php echo $this->get_field_id( 'effect' ); ?>"><?php _e( 'Effect:', 'woothemes' ); ?></label>

			<select name="<?php echo $this->get_field_name( 'effect' ); ?>" class="widefat" id="<?php echo $this->get_field_id( 'effect' ); ?>">

				<option value="none"<?php selected( $instance['effect'], 'none' ); ?>><?php _e( 'None', 'woothemes' ); ?></option>

				<option value="fade"<?php selected( $instance['effect'], 'fade' ); ?>><?php _e( 'Fade', 'woothemes' ); ?></option>     

			</select>

		</p>

		<!-- Widget Pagination: Checkbox Input -->

       	<p>

        	<input id="<?php echo $this->get_field_id( 'pagination' ); ?>" name="<?php echo $this->get_field_name( 'pagination' ); ?>" type="checkbox"<?php checked( $instance['pagination'], 1 ); ?> />

        	<label for="<?php echo $this->get_field_id( 'pagination' ); ?>"><?php _e( 'Enable Pagination', 'woothemes' ); ?></label>

        	<br /><small>(<?php _e( 'Disabled if the "limit" is 1', 'woothemes' ); ?>)</small>

	   	</p>

	   	

	   	<!-- Widget Display Author: Checkbox Input -->

       	<p>

        	<input id="<?php echo $this->get_field_id( 'display_author' ); ?>" name="<?php echo $this->get_field_name( 'display_author' ); ?>" type="checkbox"<?php checked( $instance['display_author'], 1 ); ?> />

        	<label for="<?php echo $this->get_field_id( 'display_author' ); ?>"><?php _e( 'Display Author', 'woothemes' ); ?></label>

	   	</p>

	   	

	   	<!-- Widget Display URL: Checkbox Input -->

       	<p>

        	<input id="<?php echo $this->get_field_id( 'display_url' ); ?>" name="<?php echo $this->get_field_name( 'display_url' ); ?>" type="checkbox"<?php checked( $instance['display_url'], 1 ); ?> />

        	<label for="<?php echo $this->get_field_id( 'display_url' ); ?>"><?php _e( 'Display URL', 'woothemes' ); ?></label>

	   	</p>

<?php

	} // End form()

	

} // End Class



/*----------------------------------------

  Register the widget on `widgets_init`.

  ----------------------------------------

  

  * Registers this widget.

----------------------------------------*/



add_action( 'widgets_init', create_function( '', 'return register_widget("Woo_Widget_Feedback");' ), 1 ); 

?>