<?php
/**
 * The Bookmarks widget replaces the default WordPress Links widget. This version gives total
 * control over the output to the user by allowing the input of all the arguments typically seen
 * in the wp_list_bookmarks() function.
 *
 * @package Easy
 * @subpackage Classes
 */

/**
 * Bookmarks Widget Class
 *
 * @since 0.6.0
 * @link http://codex.wordpress.org/Template_Tags/wp_list_bookmarks
 * @link http://www.wordpress-easy.com
 */
class Easy_Widget_Bookmarks extends WP_Widget {

	/**
	 * Prefix for the widget.
	 * @since 0.7.0
	 */
	var $prefix;

	/**
	 * Textdomain for the widget.
	 * @since 0.7.0
	 */
	var $textdomain;

	/**
	 * Set up the widget's unique name, ID, class, description, and other options.
	 * @since 0.6.0
	 */
	function Easy_Widget_Bookmarks() {

		/* Set the widget prefix. */
		$this->prefix = Easy_get_prefix();

		/* Set the widget textdomain. */
		$this->textdomain = Easy_get_textdomain();

		/* Set up the widget options. */
		$widget_options = array(
			'classname' => 'bookmarks',
			'description' => esc_html__( 'An advanced widget that gives you total control over the output of your bookmarks (links).', $this->textdomain )
		);

		/* Set up the widget control options. */
		$control_options = array(
			'width' => 800,
			'height' => 350,
			'id_base' => "{$this->prefix}-bookmarks"
		);

		/* Create the widget. */
		$this->WP_Widget( "{$this->prefix}-bookmarks", esc_attr__( 'Bookmarks', $this->textdomain ), $widget_options, $control_options );
	}

	/**
	 * Outputs the widget based on the arguments input through the widget controls.
	 * @since 0.6.0
	 */
	function widget( $args, $instance ) {
		extract( $args );

		/* Set up the $before_widget ID for multiple widgets created by the bookmarks widget. */
		if ( $instance['categorize'] )
			$before_widget = preg_replace( '/id="[^"]*"/','id="%id"', $before_widget );

		/* Add a class to $before_widget if one is set. */
		if ( $instance['class'] )
			$before_widget = str_replace( 'class="', 'class="' . esc_attr( $instance['class'] ) . ' ', $before_widget );

		/* Set up the arguments for wp_list_bookmarks(). */
		$args = array(
			'title_li' =>		apply_filters( 'widget_title', $instance['title_li'], $instance, $this->id_base ),
			'category' =>		!empty( $instance['category'] ) ? join( ', ', $instance['category'] ) : '',
			'exclude_category' =>	!empty( $instance['exclude_category'] ) ? join( ', ', $instance['exclude_category'] ) : '',
			'category_order' =>	$instance['category_order'],
			'category_orderby' => 	$instance['category_orderby'],
			'include' =>		!empty( $instance['include'] ) ? join( ', ', $instance['include'] ) : '',
			'exclude' =>		!empty( $instance['exclude'] ) ? join( ', ', $instance['exclude'] ) : '',
			'order' =>		$instance['order'],
			'orderby' =>		$instance['orderby'],
			'limit' =>			$instance['limit'] ? intval( $instance['limit'] ) : -1,
			'between' =>		$instance['between'],
			'link_before' =>		$instance['link_before'],
			'link_after' =>		$instance['link_after'],
			'search' =>		$instance['search'],
			'categorize' =>		!empty( $instance['categorize'] ) ? true : false,
			'show_description' =>	!empty( $instance['show_description'] ) ? true : false,
			'hide_invisible' =>		!empty( $instance['hide_invisible'] ) ? true : false,
			'show_rating' =>		!empty( $instance['show_rating'] ) ? true : false,
			'show_updated' =>		!empty( $instance['show_updated'] ) ? true : false,
			'show_images' =>		!empty( $instance['show_images'] ) ? true : false,
			'show_name' =>		!empty( $instance['show_name'] ) ? true : false,
			'show_private' =>		!empty( $instance['show_private'] ) ? true : false,
			'title_before' => 		$before_title,
			'title_after' => 		$after_title,
			'category_before' =>	$before_widget,
			'category_after' =>	$after_widget,
			'category_name' =>	false,
			'echo' =>			false
		);

		/* Output the bookmarks widget. */
		echo str_replace( array( "\r", "\n", "\t" ), '', wp_list_bookmarks( $args ) );
	}

	/**
	 * Updates the widget control options for the particular instance of the widget.
	 * @since 0.6.0
	 */
	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;

		/* Set the instance to the new instance. */
		$instance = $new_instance;

		$instance['title_li'] = strip_tags( $new_instance['title_li'] );
		$instance['limit'] = strip_tags( $new_instance['limit'] );
		$instance['class'] = strip_tags( $new_instance['class'] );
		$instance['search'] = strip_tags( $new_instance['search'] );
		$instance['category_order'] = $new_instance['category_order'];
		$instance['category_orderby'] = $new_instance['category_orderby'];
		$instance['orderby'] = $new_instance['orderby'];
		$instance['order'] = $new_instance['order'];
		$instance['between'] = $new_instance['between'];
		$instance['link_before'] = $new_instance['link_before'];
		$instance['link_after'] = $new_instance['link_after'];

		$instance['categorize'] = ( isset( $new_instance['categorize'] ) ? 1 : 0 );
		$instance['hide_invisible'] = ( isset( $new_instance['hide_invisible'] ) ? 1 : 0 );
		$instance['show_private'] = ( isset( $new_instance['show_private'] ) ? 1 : 0 );
		$instance['show_rating'] = ( isset( $new_instance['show_rating'] ) ? 1 : 0 );
		$instance['show_updated'] = ( isset( $new_instance['show_updated'] ) ? 1 : 0 );
		$instance['show_images'] = ( isset( $new_instance['show_images'] ) ? 1 : 0 );
		$instance['show_name'] = ( isset( $new_instance['show_name'] ) ? 1 : 0 );
		$instance['show_description'] = ( isset( $new_instance['show_description'] ) ? 1 : 0 );

		return $instance;
	}

	/**
	 * Displays the widget control options in the Widgets admin screen.
	 * @since 0.6.0
	 */
	function form( $instance ) {

		/* Set up the default form values. */
		$defaults = array(
			'title_li' => esc_attr__( 'Bookmarks', $this->textdomain ),
			'categorize' => true,
			'category_order' => 'ASC',
			'category_orderby' => 'name',
			'category' => array(),
			'exclude_category' => array(),
			'limit' => '',
			'order' => 'ASC',
			'orderby' => 'name',
			'include' => array(),
			'exclude' => array(),
			'search' => '',
			'hide_invisible' => true,
			'show_description' => false,
			'show_images' => false,
			'show_rating' => false,
			'show_updated' => false,
			'show_private' => false,
			'show_name' => false,
			'class' => 'linkcat',
			'link_before' => '<span>',
			'link_after' => '</span>',
			'between' => '<br />',
		);

		/* Merge the user-selected arguments with the defaults. */
		$instance = wp_parse_args( (array) $instance, $defaults );

		$terms = get_terms( 'link_category' );
		$bookmarks = get_bookmarks( array( 'hide_invisible' => false ) );
		$category_order = array( 'ASC' => esc_attr__( 'Ascending', $this->textdomain ), 'DESC' => esc_attr__( 'Descending', $this->textdomain ) );
		$category_orderby = array( 'count' => esc_attr__( 'Count', $this->textdomain ), 'ID' => esc_attr__( 'ID', $this->textdomain ), 'name' => esc_attr__( 'Name', $this->textdomain ), 'slug' => esc_attr__( 'Slug', $this->textdomain ) );
		$order = array( 'ASC' => esc_attr__( 'Ascending', $this->textdomain ), 'DESC' => esc_attr__( 'Descending', $this->textdomain ) );
		$orderby = array( 'id' => esc_attr__( 'ID', $this->textdomain ), 'description' => esc_attr__( 'Description',  $this->textdomain ), 'length' => esc_attr__( 'Length',  $this->textdomain ), 'name' => esc_attr__( 'Name',  $this->textdomain ), 'notes' => esc_attr__( 'Notes',  $this->textdomain ), 'owner' => esc_attr__( 'Owner',  $this->textdomain ), 'rand' => esc_attr__( 'Random',  $this->textdomain ), 'rating' => esc_attr__( 'Rating',  $this->textdomain ), 'rel' => esc_attr__( 'Rel',  $this->textdomain ), 'rss' => esc_attr__( 'RSS',  $this->textdomain ), 'target' => esc_attr__( 'Target',  $this->textdomain ), 'updated' => esc_attr__( 'Updated',  $this->textdomain ), 'url' => esc_attr__( 'URL',  $this->textdomain ) );

		?>

		<div class="Easy-widget-controls columns-3">
		<p>
			<label for="<?php echo $this->get_field_id( 'title_li' ); ?>"><?php _e( 'Title:', $this->textdomain ); ?></label>
			<input type="text" class="widefat" id="<?php echo $this->get_field_id( 'title_li' ); ?>" name="<?php echo $this->get_field_name( 'title_li' ); ?>" value="<?php echo esc_attr( $instance['title_li'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'category_order' ); ?>"><code>category_order</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'category_order' ); ?>" name="<?php echo $this->get_field_name( 'category_order' ); ?>">
				<?php foreach ( $category_order as $option_value => $option_label ) { ?>
					<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['category_order'], $option_value ); ?>><?php echo esc_html( $option_label ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'category_orderby' ); ?>"><code>category_orderby</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'category_orderby' ); ?>" name="<?php echo $this->get_field_name( 'category_orderby' ); ?>">
				<?php foreach ( $category_orderby as $option_value => $option_label ) { ?>
					<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['category_orderby'], $option_value ); ?>><?php echo esc_html( $option_label ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'category' ); ?>"><code>category</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'category' ); ?>" name="<?php echo $this->get_field_name( 'category' ); ?>[]" size="4" multiple="multiple">
				<?php foreach ( $terms as $term ) { ?>
					<option value="<?php echo esc_attr( $term->term_id ); ?>" <?php echo ( in_array( $term->term_id, (array) $instance['category'] ) ? 'selected="selected"' : '' ); ?>><?php echo esc_html( $term->name ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'exclude_category' ); ?>"><code>exclude_category</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'exclude_category' ); ?>" name="<?php echo $this->get_field_name( 'exclude_category' ); ?>[]" size="4" multiple="multiple">
				<?php foreach ( $terms as $term ) { ?>
					<option value="<?php echo esc_attr( $term->term_id ); ?>" <?php echo ( in_array( $term->term_id, (array) $instance['exclude_category'] ) ? 'selected="selected"' : '' ); ?>><?php echo esc_html( $term->name ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'class' ); ?>"><code>class</code></label>
			<input type="text" class="smallfat code" id="<?php echo $this->get_field_id( 'class' ); ?>" name="<?php echo $this->get_field_name( 'class' ); ?>" value="<?php echo esc_attr( $instance['class'] ); ?>" />
		</p>

		</div>

		<div class="Easy-widget-controls columns-3">

		<p>
			<label for="<?php echo $this->get_field_id( 'limit' ); ?>"><code>limit</code></label>
			<input type="text" class="smallfat code" id="<?php echo $this->get_field_id( 'limit' ); ?>" name="<?php echo $this->get_field_name( 'limit' ); ?>" value="<?php echo esc_attr( $instance['limit'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'order' ); ?>"><code>order</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'order' ); ?>" name="<?php echo $this->get_field_name( 'order' ); ?>">
				<?php foreach ( $order as $option_value => $option_label ) { ?>
					<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['order'], $option_value ); ?>><?php echo esc_html( $option_label ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'orderby' ); ?>"><code>orderby</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'orderby' ); ?>" name="<?php echo $this->get_field_name( 'orderby' ); ?>">
				<?php foreach ( $orderby as $option_value => $option_label ) { ?>
					<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['orderby'], $option_value ); ?>><?php echo esc_html( $option_label ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'include' ); ?>"><code>include</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'include' ); ?>" name="<?php echo $this->get_field_name( 'include' ); ?>[]" size="4" multiple="multiple">
				<?php foreach ( $bookmarks as $bookmark ) { ?>
					<option value="<?php echo esc_attr( $bookmark->link_id ); ?>" <?php echo ( in_array( $bookmark->link_id, (array) $instance['include'] ) ? 'selected="selected"' : '' ); ?>><?php echo esc_html( $bookmark->link_name ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'exclude' ); ?>"><code>exclude</code></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'exclude' ); ?>" name="<?php echo $this->get_field_name( 'exclude' ); ?>[]" size="4" multiple="multiple">
				<?php foreach ( $bookmarks as $bookmark ) { ?>
					<option value="<?php echo esc_attr( $bookmark->link_id ); ?>" <?php echo ( in_array( $bookmark->link_id, (array) $instance['exclude'] ) ? 'selected="selected"' : '' ); ?>><?php echo esc_html( $bookmark->link_name ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'search' ); ?>"><code>search</code></label>
			<input type="text" class="widefat code" id="<?php echo $this->get_field_id( 'search' ); ?>" name="<?php echo $this->get_field_name( 'search' ); ?>" value="<?php echo esc_attr( $instance['search'] ); ?>" />
		</p>

		</div>

		<div class="Easy-widget-controls columns-3 column-last">
		<p>
			<label for="<?php echo $this->get_field_id( 'between' ); ?>"><code>between</code></label>
			<input type="text" class="smallfat code" id="<?php echo $this->get_field_id( 'between' ); ?>" name="<?php echo $this->get_field_name( 'between' ); ?>" value="<?php echo esc_attr( $instance['between'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'link_before' ); ?>"><code>link_before</code></label>
			<input type="text" class="smallfat code" id="<?php echo $this->get_field_id( 'link_before' ); ?>" name="<?php echo $this->get_field_name( 'link_before' ); ?>" value="<?php echo esc_attr( $instance['link_before'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'link_after' ); ?>"><code>link_after</code></label>
			<input type="text" class="smallfat code" id="<?php echo $this->get_field_id( 'link_after' ); ?>" name="<?php echo $this->get_field_name( 'link_after' ); ?>" value="<?php echo esc_attr( $instance['link_after'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'categorize' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['categorize'], true ); ?> id="<?php echo $this->get_field_id( 'categorize' ); ?>" name="<?php echo $this->get_field_name( 'categorize' ); ?>" /> <?php _e( 'Categorize?', $this->textdomain ); ?> <code>categorize</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_description' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_description'], true ); ?> id="<?php echo $this->get_field_id( 'show_description' ); ?>" name="<?php echo $this->get_field_name( 'show_description' ); ?>" /> <?php _e( 'Show description?', $this->textdomain ); ?> <code>show_description</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'hide_invisible' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['hide_invisible'], true ); ?> id="<?php echo $this->get_field_id( 'hide_invisible' ); ?>" name="<?php echo $this->get_field_name( 'hide_invisible' ); ?>" /> <?php _e( 'Hide invisible?', $this->textdomain ); ?> <code>hide_invisible</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_rating' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_rating'], true ); ?> id="<?php echo $this->get_field_id( 'show_rating' ); ?>" name="<?php echo $this->get_field_name( 'show_rating' ); ?>" /> <?php _e( 'Show rating?', $this->textdomain ); ?> <code>show_rating</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_updated' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_updated'], true ); ?> id="<?php echo $this->get_field_id( 'show_updated' ); ?>" name="<?php echo $this->get_field_name( 'show_updated' ); ?>" /> <?php _e( 'Show updated?', $this->textdomain ); ?> <code>show_updated</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_images' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_images'], true ); ?> id="<?php echo $this->get_field_id( 'show_images' ); ?>" name="<?php echo $this->get_field_name( 'show_images' ); ?>" /> <?php _e( 'Show images?', $this->textdomain ); ?> <code>show_images</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_name' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_name'], true ); ?> id="<?php echo $this->get_field_id( 'show_name' ); ?>" name="<?php echo $this->get_field_name( 'show_name' ); ?>" /> <?php _e( 'Show name?', $this->textdomain ); ?> <code>show_name</code></label>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_private' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_private'], true ); ?> id="<?php echo $this->get_field_id( 'show_private' ); ?>" name="<?php echo $this->get_field_name( 'show_private' ); ?>" /> <?php _e( 'Show private?', $this->textdomain ); ?> <code>show_private</code></label>
		</p>

		</div>
		<div style="clear:both;">&nbsp;</div>
	<?php
	}
}

?>