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- <?php if ( ! defined('AVIA_FW')) exit('No direct script access allowed');
- /**
- * This file holds various classes and methods necessary to hijack the wordpress menu and improve it with mega menu capabilities
- *
- *
- * @author Christian "Kriesi" Budschedl
- * @copyright Copyright (c) Christian Budschedl
- * @link http://kriesi.at
- * @link http://aviathemes.com
- * @since Version 1.0
- * @package AviaFramework
- */
- /**
- *
- */
- if( !class_exists( 'avia_megamenu' ) )
- {
- /**
- * The avia megamenu class contains various methods necessary to create mega menus out of the admin backend
- * @package AviaFramework
- */
- class avia_megamenu
- {
- /**
- * avia_megamenu constructor
- * The constructor uses wordpress hooks and filters provided and
- * replaces the default menu with custom functions and classes within this file
- * @package AviaFramework
- */
- function avia_megamenu()
- {
- //adds stylesheet and javascript to the menu page
- add_action('admin_menu', array(&$this,'avia_menu_header'));
- //exchange arguments and tell menu to use the avia walker for front end rendering
- add_filter('wp_nav_menu_args', array(&$this,'modify_arguments'), 100);
- //exchange argument for backend menu walker
- add_filter( 'wp_edit_nav_menu_walker', array(&$this,'modify_backend_walker') , 100);
- //save avia options:
- add_action( 'wp_update_nav_menu_item', array(&$this,'update_menu'), 100, 3);
- }
- /**
- * If we are on the nav menu page add javascript and css for the page
- */
- function avia_menu_header()
- {
- if(basename( $_SERVER['PHP_SELF']) == "nav-menus.php" )
- {
- wp_enqueue_style( 'avia_admin', AVIA_CSS_URL . 'avia_admin.css');
- wp_enqueue_script( 'avia_mega_menu' , AVIA_JS_URL . 'avia_mega_menu.js',array('jquery', 'jquery-ui-sortable'), false, true );
- }
- }
- /**
- * Replaces the default arguments for the front end menu creation with new ones
- */
- function modify_arguments($arguments){
- $walker = apply_filters("avia_mega_menu_walker", "avia_walker");
- if($walker)
- {
- $arguments['walker'] = new $walker();
- $arguments['container_class'] = $arguments['container_class'] .= ' megaWrapper';
- $arguments['menu_class'] = 'avia_mega';
- }
- return $arguments;
- }
- /**
- * Tells wordpress to use our backend walker instead of the default one
- */
- function modify_backend_walker($name)
- {
- return 'avia_backend_walker';
- }
- /*
- * Save and Update the Custom Navigation Menu Item Properties by checking all $_POST vars with the name of $check
- * @param int $menu_id
- * @param int $menu_item_db
- */
- function update_menu($menu_id, $menu_item_db)
- {
- $check = apply_filters('avf_mega_menu_post_meta_fields',array('megamenu','division','textarea'), $menu_id, $menu_item_db);
- foreach ( $check as $key )
- {
- if(!isset($_POST['menu-item-avia-'.$key][$menu_item_db]))
- {
- $_POST['menu-item-avia-'.$key][$menu_item_db] = "";
- }
- $value = $_POST['menu-item-avia-'.$key][$menu_item_db];
- update_post_meta( $menu_item_db, '_menu-item-avia-'.$key, $value );
- }
- }
- }
- }
- if( !class_exists( 'avia_walker' ) )
- {
- /**
- * The avia walker is the frontend walker and necessary to display the menu, this is a advanced version of the wordpress menu walker
- * @package WordPress
- * @since 1.0.0
- * @uses Walker
- */
- class avia_walker extends Walker {
- /**
- * @see Walker::$tree_type
- * @var string
- */
- var $tree_type = array( 'post_type', 'taxonomy', 'custom' );
- /**
- * @see Walker::$db_fields
- * @todo Decouple this.
- * @var array
- */
- var $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );
- /**
- * @var int $columns
- */
- var $columns = 0;
- /**
- * @var int $max_columns maximum number of columns within one mega menu
- */
- var $max_columns = 0;
- /**
- * @var int $rows holds the number of rows within the mega menu
- */
- var $rows = 1;
- /**
- * @var array $rowsCounter holds the number of columns for each row within a multidimensional array
- */
- var $rowsCounter = array();
- /**
- * @var string $mega_active hold information whetever we are currently rendering a mega menu or not
- */
- var $mega_active = 0;
- /**
- * @see Walker::start_lvl()
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param int $depth Depth of page. Used for padding.
- */
- function start_lvl(&$output, $depth = 0, $args = array()) {
- $indent = str_repeat("\t", $depth);
- if($depth === 0) $output .= "\n{replace_one}\n";
- $output .= "\n$indent<ul class=\"sub-menu\">\n";
- }
- /**
- * @see Walker::end_lvl()
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param int $depth Depth of page. Used for padding.
- */
- function end_lvl(&$output, $depth = 0, $args = array()) {
- $indent = str_repeat("\t", $depth);
- $output .= "$indent</ul>\n";
- if($depth === 0)
- {
- if($this->mega_active)
- {
- $output .= "\n</div>\n";
- $output = str_replace("{replace_one}", "<div class='avia_mega_div avia_mega".$this->max_columns."'>", $output);
- foreach($this->rowsCounter as $row => $columns)
- {
- $output = str_replace("{current_row_".$row."}", "avia_mega_menu_columns_".$columns, $output);
- }
- $this->columns = 0;
- $this->max_columns = 0;
- $this->rowsCounter = array();
- }
- else
- {
- $output = str_replace("{replace_one}", "", $output);
- }
- }
- }
- /**
- * @see Walker::start_el()
- *
- * @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 int $current_page Menu item ID.
- * @param object $args
- */
- function start_el(&$output, $item, $depth = 0, $args = array(), $current_object_id = 0 ) {
- global $wp_query;
- //set maxcolumns
- if(!isset($args->max_columns)) $args->max_columns = 5;
- $item_output = $li_text_block_class = $column_class = "";
- if($depth === 0)
- {
- $this->mega_active = get_post_meta( $item->ID, '_menu-item-avia-megamenu', true);
- }
- if($depth === 1 && $this->mega_active)
- {
- $this->columns ++;
- //check if we have more than $args['max_columns'] columns or if the user wants to start a new row
- if($this->columns > $args->max_columns || (get_post_meta( $item->ID, '_menu-item-avia-division', true) && $this->columns != 1))
- {
- $this->columns = 1;
- $this->rows ++;
- $output .= "\n<li class='avia_mega_hr'></li>\n";
- }
- $this->rowsCounter[$this->rows] = $this->columns;
- if($this->max_columns < $this->columns) $this->max_columns = $this->columns;
- $title = apply_filters( 'the_title', $item->title, $item->ID );
- if($title != "-" && $title != '"-"') //fallback for people who copy the description o_O
- {
- $item_output .= "<h4>".$title."</h4>";
- }
- $column_class = ' {current_row_'.$this->rows.'}';
- if($this->columns == 1)
- {
- $column_class .= " avia_mega_menu_columns_fist";
- }
- }
- else if($depth >= 2 && $this->mega_active && get_post_meta( $item->ID, '_menu-item-avia-textarea', true) )
- {
- $li_text_block_class = 'avia_mega_text_block ';
- $item_output.= do_shortcode($item->post_content);
- }
- else
- {
- $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : '';
- $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : '';
- $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : '';
- $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : '';
- $item_output .= $args->before;
- $item_output .= '<a'. $attributes .'>';
- $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
- $item_output .= '</a>';
- $item_output .= $args->after;
- }
- $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
- $class_names = $value = '';
- $classes = empty( $item->classes ) ? array() : (array) $item->classes;
- $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
- $class_names = ' class="'.$li_text_block_class. esc_attr( $class_names ) . $column_class.'"';
- $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
- $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
- }
- /**
- * @see Walker::end_el()
- *
- * @param string $output Passed by reference. Used to append additional content.
- * @param object $item Page data object. Not used.
- * @param int $depth Depth of page. Not Used.
- */
- function end_el(&$output, $item, $depth = 0, $args = array()) {
- $output .= "</li>\n";
- }
- }
- }
- if( !class_exists( 'avia_backend_walker' ) )
- {
- /**
- * Create HTML list of nav menu input items.
- * This walker is a clone of the wordpress edit menu walker with some options appended, so the user can choose to create mega menus
- *
- * @package AviaFramework
- * @since 1.0
- * @uses Walker_Nav_Menu
- */
- class avia_backend_walker extends Walker_Nav_Menu
- {
- /**
- * @see Walker_Nav_Menu::start_lvl()
- * @since 3.0.0
- *
- * @param string $output Passed by reference.
- * @param int $depth Depth of page.
- */
- function start_lvl(&$output, $depth = 0, $args = array() ) {}
- /**
- * @see Walker_Nav_Menu::end_lvl()
- * @since 3.0.0
- *
- * @param string $output Passed by reference.
- * @param int $depth Depth of page.
- */
- function end_lvl(&$output, $depth = 0, $args = array()) {
- }
- /**
- * @see Walker::start_el()
- * @since 3.0.0
- *
- * @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 int $current_page Menu item ID.
- * @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' );
- } 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 ( isset( $item->post_status ) && 'draft' == $item->post_status ) {
- $classes[] = 'pending';
- /* translators: %s: title of menu item in draft status */
- $title = sprintf( __('%s (Pending)'), $item->title );
- }
- $title = empty( $item->label ) ? $title : $item->label;
- $itemValue = "";
- if($depth == 0)
- {
- $itemValue = get_post_meta( $item->ID, '_menu-item-avia-megamenu', true);
- if($itemValue != "") $itemValue = 'avia_mega_active ';
- }
- ?>
- <li id="menu-item-<?php echo $item_id; ?>" class="<?php echo $itemValue; 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 item-type-default"><?php echo esc_html( $item->type_label ); ?></span>
- <span class="item-type item-type-avia"><?php _e('Column'); ?></span>
- <span class="item-type item-type-megafied"><?php _e('(Mega Menu)'); ?></span>
- <span class="item-order">
- <a href="<?php
- echo 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'); ?>">↑</abbr></a>
- |
- <a href="<?php
- echo 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'); ?>">↓</abbr></a>
- </span>
- <a class="item-edit" id="edit-<?php echo $item_id; ?>" title="<?php _e('Edit Menu Item'); ?>" href="<?php
- echo ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? admin_url( 'nav-menus.php' ) : 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' ); ?></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' ); ?><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 description-label avia_label_desc_on_active">
- <label for="edit-menu-item-title-<?php echo $item_id; ?>">
- <span class='avia_default_label'><?php _e( 'Navigation Label' ); ?></span>
- <span class='avia_mega_label'><?php _e( 'Mega Menu Column Title <span class="avia_supersmall">(if you dont want to display a title just enter a single dash: "-" )</span>' ); ?></span>
- <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 description-title">
- <label for="edit-menu-item-attr-title-<?php echo $item_id; ?>">
- <?php _e( 'Title Attribute' ); ?><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 description-thin">
- <label for="edit-menu-item-target-<?php echo $item_id; ?>">
- <?php _e( 'link Target' ); ?><br />
- <select id="edit-menu-item-target-<?php echo $item_id; ?>" class="widefat edit-menu-item-target" name="menu-item-target[<?php echo $item_id; ?>]">
- <option value="" <?php selected( $item->target, ''); ?>><?php _e('Same window or tab'); ?></option>
- <option value="_blank" <?php selected( $item->target, '_blank'); ?>><?php _e('New window or tab'); ?></option>
- </select>
- </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)' ); ?><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)' ); ?><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' ); ?><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->post_content ); ?></textarea>
- </label>
- </p>
- <div class='avia_mega_menu_options'>
- <!-- ################# avia custom code here ################# -->
- <?php
- $title = 'Use as Mega Menu';
- $key = "menu-item-avia-megamenu";
- $value = get_post_meta( $item->ID, '_'.$key, true);
- if($value != "") $value = "checked='checked'";
- ?>
- <p class="description description-wide avia_checkbox avia_mega_menu avia_mega_menu_d0">
- <label for="edit-<?php echo $key.'-'.$item_id; ?>">
- <input type="checkbox" value="active" id="edit-<?php echo $key.'-'.$item_id; ?>" class=" <?php echo $key; ?>" name="<?php echo $key . "[". $item_id ."]";?>" <?php echo $value; ?> /><?php _e( $title ); ?>
- </label>
- </p>
- <!-- *************** end item *************** -->
- <?php
- $title = 'This column should start a new row';
- $key = "menu-item-avia-division";
- $value = get_post_meta( $item->ID, '_'.$key, true);
- if($value != "") $value = "checked='checked'";
- ?>
- <p class="description description-wide avia_checkbox avia_mega_menu avia_mega_menu_d1">
- <label for="edit-<?php echo $key.'-'.$item_id; ?>">
- <input type="checkbox" value="active" id="edit-<?php echo $key.'-'.$item_id; ?>" class=" <?php echo $key; ?>" name="<?php echo $key . "[". $item_id ."]";?>" <?php echo $value; ?> /><?php _e( $title ); ?>
- </label>
- </p>
- <!-- *************** end item *************** -->
- <?php
- $title = 'Use the description to create a Text Block. Dont display this item as a link. (note: dont remove the label text, otherwise wordpress will delete the item)';
- $key = "menu-item-avia-textarea";
- $value = get_post_meta( $item->ID, '_'.$key, true);
- if($value != "") $value = "checked='checked'";
- ?>
- <p class="description description-wide avia_checkbox avia_mega_menu avia_mega_menu_d2">
- <label for="edit-<?php echo $key.'-'.$item_id; ?>">
- <input type="checkbox" value="active" id="edit-<?php echo $key.'-'.$item_id; ?>" class=" <?php echo $key; ?>" name="<?php echo $key . "[". $item_id ."]";?>" <?php echo $value; ?> /><span class='avia_long_desc'><?php _e( $title ); ?></span>
- </label>
- </p>
- <!-- *************** end item *************** -->
- </div>
- <?php do_action('avia_mega_menu_option_fields', $output, $item, $depth, $args); ?>
- <!-- ################# end avia custom code here ################# -->
- <div class="menu-item-actions description-wide submitbox">
- <?php if( 'custom' != $item->type ) : ?>
- <p class="link-to-original">
- <?php printf( __('Original: %s'), '<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 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'); ?></a> <span class="meta-sep"> | </span> <a class="item-cancel submitcancel" id="cancel-<?php echo $item_id; ?>" href="<?php echo 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; ?>">Cancel</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();
- }
- }
- }
- if( !function_exists( 'avia_fallback_menu' ) )
- {
- /**
- * Create a navigation out of pages if the user didnt create a menu in the backend
- *
- */
- function avia_fallback_menu()
- {
- $current = "";
- $exclude = avia_get_option('frontpage');
- if (is_front_page()){$current = "class='current-menu-item'";}
- if ($exclude) $exclude ="&exclude=".$exclude;
- echo "<div class='fallback_menu'>";
- echo "<ul class='avia_mega menu'>";
- echo "<li $current><a href='".get_bloginfo('url')."'>Home</a></li>";
- wp_list_pages('title_li=&sort_column=menu_order'.$exclude);
- echo apply_filters('avf_fallback_menu_items', "", 'fallback_menu');
- echo "</ul></div>";
- }
- }
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