<?php
/**
 * Your Inspiration Themes
 * 
 * @package WordPress
 * @subpackage Your Inspiration Themes
 * @author Your Inspiration Themes Team <info@yithemes.com>
 *
 * This source file is subject to the GNU GENERAL PUBLIC LICENSE (GPL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.txt
 */

/**
 * Extends classic WP_Nav_Menu_Edit
 * 
 * @since 1.0.0
 */

class YIT_Walker_Nav_Menu_Edit extends Walker_Nav_Menu_Edit {

	/**
	 * @see Walker::start_el()
	 * @since 3.0.0
     *
     * Walker::start_el(&$output, $object, $depth = 0, $args = Array, $current_object_id = 0)
     *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param object $item Menu item data object.
	 * @param int $depth Depth of menu item. Used for padding.
	 * @param object $args
	 */
	function start_el(&$output, $item, $depth = 0, $args = array(), $current_object_id = 0) {
		global $_wp_nav_menu_max_depth;
		$_wp_nav_menu_max_depth = $depth > $_wp_nav_menu_max_depth ? $depth : $_wp_nav_menu_max_depth;

		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		ob_start();
		$item_id = esc_attr( $item->ID );
		$removed_args = array(
			'action',
			'customlink-tab',
			'edit-menu-item',
			'menu-item',
			'page-tab',
			'_wpnonce',
		);

		$original_title = '';
		if ( 'taxonomy' == $item->type ) {
			$original_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
			if ( is_wp_error( $original_title ) )
				$original_title = false;
		} elseif ( 'post_type' == $item->type ) {
			$original_object = get_post( $item->object_id );
			$original_title = $original_object->post_title;
		}

		$classes = array(
			'menu-item menu-item-depth-' . $depth,
			'menu-item-' . esc_attr( $item->object ),
			'menu-item-edit-' . ( ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? 'active' : 'inactive'),
		);

		$title = $item->title;

		if ( ! empty( $item->_invalid ) ) {
			$classes[] = 'menu-item-invalid';
			/* translators: %s: title of menu item which is invalid */
			$title = sprintf( __( '%s (Invalid)', 'yit' ), $item->title );
		} elseif ( isset( $item->post_status ) && 'draft' == $item->post_status ) {
			$classes[] = 'pending';
			/* translators: %s: title of menu item in draft status */
			$title = sprintf( __( '%s (Pending)', 'yit' ), $item->title );
		}

		$title = empty( $item->label ) ? $title : $item->label;

		?>
		<li id="menu-item-<?php echo $item_id; ?>" class="<?php echo implode(' ', $classes ); ?>">
			<dl class="menu-item-bar">
				<dt class="menu-item-handle">
					<span class="item-title"><?php echo esc_html( $title ); ?></span>
					<span class="item-controls">
						<span class="item-type"><?php echo esc_html( $item->type_label ); ?></span>
						<span class="item-order hide-if-js">
							<a href="<?php
								echo esc_url(
                                        wp_nonce_url(
                                            add_query_arg(
                                                array(
                                                    'action' => 'move-up-menu-item',
                                                    'menu-item' => $item_id,
                                                ),
                                                remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
                                            ),
                                            'move-menu_item'
                                    )
                                );
							?>" class="item-move-up"><abbr title="<?php esc_attr_e('Move up'); ?>">&#8593;</abbr></a>
							|
							<a href="<?php
								echo esc_url(
                                        wp_nonce_url(
                                            add_query_arg(
                                                array(
                                                    'action' => 'move-down-menu-item',
                                                    'menu-item' => $item_id,
                                                ),
                                                remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
                                            ),
                                            'move-menu_item'
                                    )
                                );
							?>" class="item-move-down"><abbr title="<?php esc_attr_e('Move down'); ?>">&#8595;</abbr></a>
						</span>
						<a class="item-edit" id="edit-<?php echo $item_id; ?>" title="<?php esc_attr_e( 'Edit Menu Item', 'yit' ); ?>" href="<?php
							echo ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? admin_url( 'nav-menus.php' ) : esc_url( add_query_arg( 'edit-menu-item', $item_id, remove_query_arg( $removed_args, admin_url( 'nav-menus.php#menu-item-settings-' . $item_id ) ) ) );
						?>"><?php _e( 'Edit Menu Item', 'yit' ); ?></a>
					</span>
				</dt>
			</dl>

			<div class="menu-item-settings" id="menu-item-settings-<?php echo $item_id; ?>">
				<?php if( 'custom' == $item->type ) : ?>
					<p class="field-url description description-wide">
						<label for="edit-menu-item-url-<?php echo $item_id; ?>">
							<?php _e( 'URL', 'yit' ); ?><br />
							<input type="text" id="edit-menu-item-url-<?php echo $item_id; ?>" class="widefat code edit-menu-item-url" name="menu-item-url[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->url ); ?>" />
						</label>
					</p>
				<?php endif; ?>
				<p class="description description-thin">
					<label for="edit-menu-item-title-<?php echo $item_id; ?>">
						<?php _e( 'Navigation Label', 'yit' ); ?><br />
						<input type="text" id="edit-menu-item-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-title" name="menu-item-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->title ); ?>" />
					</label>
				</p>
				<p class="description description-thin">
					<label for="edit-menu-item-attr-title-<?php echo $item_id; ?>">
						<?php _e( 'Title Attribute', 'yit' ); ?><br />
						<input type="text" id="edit-menu-item-attr-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->post_excerpt ); ?>" />
					</label>
				</p>
				<p class="field-link-target description">
					<label for="edit-menu-item-target-<?php echo $item_id; ?>">
						<input type="checkbox" id="edit-menu-item-target-<?php echo $item_id; ?>" value="_blank" name="menu-item-target[<?php echo $item_id; ?>]"<?php checked( $item->target, '_blank' ); ?> />
						<?php _e( 'Open link in a new window/tab', 'yit' ); ?>
					</label>
				</p>
				<p class="field-css-classes description description-thin">
					<label for="edit-menu-item-classes-<?php echo $item_id; ?>">
						<?php _e( 'CSS Classes (optional)' , 'yit' ); ?><br />
						<input type="text" id="edit-menu-item-classes-<?php echo $item_id; ?>" class="widefat code edit-menu-item-classes" name="menu-item-classes[<?php echo $item_id; ?>]" value="<?php echo esc_attr( implode(' ', $item->classes ) ); ?>" />
					</label>
				</p>
				<p class="field-xfn description description-thin">
					<label for="edit-menu-item-xfn-<?php echo $item_id; ?>">
						<?php _e( 'Link Relationship (XFN)', 'yit' ); ?><br />
						<input type="text" id="edit-menu-item-xfn-<?php echo $item_id; ?>" class="widefat code edit-menu-item-xfn" name="menu-item-xfn[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->xfn ); ?>" />
					</label>
				</p>
				<p class="field-description description description-wide">
					<label for="edit-menu-item-description-<?php echo $item_id; ?>">
						<?php _e( 'Description', 'yit' ); ?><br />
						<textarea id="edit-menu-item-description-<?php echo $item_id; ?>" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description[<?php echo $item_id; ?>]"><?php echo esc_html( $item->description ); // textarea_escaped ?></textarea>
						<span class="description"><?php _e('The description will be displayed in the menu if the current theme supports it.', 'yit'); ?></span>
					</label>
				</p>



				<!-- custom code -->
				<?php $custom_fields = yit_get_model('nav_menu')->fields; ?>
				<?php if( !empty($custom_fields) ): ?>
				<div class="clear"></div>
				<p style="margin-top: 20px"><strong><?php _e( 'Customize menu', 'yit') ?></strong></p>


				<?php foreach( $custom_fields as $id => $field ): ?>
				<p class="description description-<?php echo $field['width'] ?>">	
					<label for="edit-menu-item-<?php echo $id; ?>-<?php echo $item_id; ?>">
						<?php _e( $field['label'], 'yit'); ?>
						
						<?php if( $field['type'] == 'input' ): ?>
						<input type="text" id="edit-menu-item-<?php echo $id; ?>-<?php echo $item_id; ?>" class="widefat code" name="menu-item-<?php echo $id; ?>[<?php echo $item_id; ?>]" value="<?php if( isset($item->{$id}) ) echo esc_attr( $item->{$id} ); ?>" />
						<?php elseif( $field['type'] == 'textarea' ): ?>
						<textarea id="edit-menu-item-<?php echo $id; ?>-<?php echo $item_id; ?>" class="widefat" rows="3" cols="20" name="menu-item-<?php echo $id; ?>[<?php echo $item_id; ?>]"><?php if( isset($item->{$id}) ) echo esc_html( $item->{$id} ); // textarea_escaped ?></textarea>
						<span class="description"><?php _e($field['description'], 'yit'); ?></span>
						<?php elseif( $field['type'] == 'upload' ): ?>
						<input type="text" id="edit-menu-item-<?php echo $id; ?>-<?php echo $item_id; ?>" class="widefat code" name="menu-item-<?php echo $id; ?>[<?php echo $item_id; ?>]" value="<?php if( isset($item->{$id}) ) echo esc_attr( $item->{$id} ); ?>" />
						<input type="button" value="<?php _e('Upload', 'yit') ?>" id="edit-menu-item-<?php echo $id; ?>-<?php echo $item_id; ?>-button" class="upload_button button" />							
						<?php endif ?>
					</label>
				</p>
				<?php endforeach ?>
				<?php endif ?>
				<!-- /custom code -->



				<div class="menu-item-actions description-wide submitbox">
					<?php if( 'custom' != $item->type && $original_title !== false ) : ?>
						<p class="link-to-original">
							<?php printf( __( 'Original: %s', 'yit' ), '<a href="' . esc_attr( $item->url ) . '">' . esc_html( $original_title ) . '</a>' ); ?>
						</p>
					<?php endif; ?>
					<a class="item-delete submitdelete deletion" id="delete-<?php echo $item_id; ?>" href="<?php
					echo esc_url( wp_nonce_url(
                                add_query_arg(
                                    array(
                                        'action' => 'delete-menu-item',
                                        'menu-item' => $item_id,
                                    ),
                                    remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
                                ),
                                'delete-menu_item_' . $item_id
                            ) ); ?>"><?php _e( 'Remove', 'yit' ); ?></a> <span class="meta-sep"> | </span> <a class="item-cancel submitcancel" id="cancel-<?php echo $item_id; ?>" href="<?php	echo esc_url( add_query_arg( array('edit-menu-item' => $item_id, 'cancel' => time()), remove_query_arg( $removed_args, admin_url( 'nav-menus.php' ) ) ) );
						?>#menu-item-settings-<?php echo $item_id; ?>"><?php _e( 'Cancel', 'yit' ); ?></a>
				</div>

				<input class="menu-item-data-db-id" type="hidden" name="menu-item-db-id[<?php echo $item_id; ?>]" value="<?php echo $item_id; ?>" />
				<input class="menu-item-data-object-id" type="hidden" name="menu-item-object-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object_id ); ?>" />
				<input class="menu-item-data-object" type="hidden" name="menu-item-object[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object ); ?>" />
				<input class="menu-item-data-parent-id" type="hidden" name="menu-item-parent-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_item_parent ); ?>" />
				<input class="menu-item-data-position" type="hidden" name="menu-item-position[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_order ); ?>" />
				<input class="menu-item-data-type" type="hidden" name="menu-item-type[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->type ); ?>" />
			</div><!-- .menu-item-settings-->
			<ul class="menu-item-transport"></ul>
		<?php
		$output .= ob_get_clean();
	}
}
