WordPress/wp-admin/custom-navigation.php

<?php
/**
 * WordPress Administration for Navigation Menus
 * Interface functions
 *
 * @author Jeffikus <pearce.jp@gmail.com>
 * @version 1.1.0
 *
 * @package WordPress
 * @subpackage Administration
 */

require_once('admin.php');

wp_admin_css( 'custom-navigation' );
wp_enqueue_script( 'jquery' );
wp_enqueue_script( 'jquery-ui-draggable' );
wp_enqueue_script( 'jquery-ui-droppable' );
wp_enqueue_script( 'jquery-ui-sortable' );
wp_enqueue_script( 'jquery-ui-dialog' );
wp_enqueue_script( 'custom-navigation-dynamic-functions' );
wp_enqueue_script( 'custom-navigation-default-items' );
wp_enqueue_script( 'jquery-autocomplete' );
wp_enqueue_script( 'custom-navigation-php-functions' );

require_once('admin-header.php');
require_once (ABSPATH . WPINC . '/custom-navigation.php');

wp_custom_navigation();

function wp_custom_nav_reset() {
	wp_custom_navigation_setup(true);

	return true;

}

/*-----------------------------------------------------------------------------------*/
/* Custom Navigation Admin Interface
/* wp_custom_navigation() is the main function for the Custom Navigation
/* See functions in admin-functions.php
/*-----------------------------------------------------------------------------------*/

function wp_custom_navigation() {
	global $wpdb, $user_ID;
	?>

	<div class="wrap">
	<div id="no-js"><h3><?php _e('You do not have JavaScript enabled in your browser. Please enable it to access the Menus functionality.'); ?></h3></div>

	<?php
	$messagesdiv = '';
	$menu_id_in_edit = 0;

	// Get the theme name
	$themename = get_current_theme();

	// Check which menu is selected and if menu is in edit already
	if ( isset( $_POST['switch_menu'] ) )
		$menu_selected_id = (int) $_POST['menu_select'];
	elseif ( isset( $_POST['menu_id_in_edit'] ) )
		$menu_selected_id = (int) $_POST['menu_id_in_edit'];
	else
		$menu_selected_id = 0;

	// Default Menu to show
	$custom_menus = get_terms( 'nav_menu', array( 'hide_empty' => false ) );
 	if ( !empty( $custom_menus ) )
		$menu_selected_id = $custom_menus[0]->term_id;

	$menu_title = '';
	if ( $menu_selected_id > 0 ) {
		foreach ( $custom_menus as $menu ) {
			if ( $menu->term_id == $menu_selected_id ) {
				$menu_title = $menu->name;
				break;
			}
		}
	}

	if ( isset( $_POST['set_wp_menu'] ) ) {
		// @todo validate set_wp_menu
	    update_option( 'wp_custom_nav_menu', $_POST['enable_wp_menu'] );
		$messagesdiv = '<div id="message" class="updated fade below-h2"><p>' . __('Menu has been updated!') . '</p></div>';
	}

	if ( isset( $_POST['licount'] ) )
		$postCounter = $_POST['licount'];
	else
	    $postCounter = 0;

	// Create a new menu. Menus are stored as terms in the 'menu' taxonomy.
	if ( isset( $_POST['add_menu'] ) ) {
	 	$insert_menu_name = $_POST['add_menu_name'];

	 	if ( $insert_menu_name != '' ) {
			$existing_term = get_term_by( 'name', $insert_menu_name, 'nav_menu' );
	 		if ( $existing_term ) {
	 			$messagesdiv = '<div id="message" class="error fade below-h2"><p>' . esc_html( sprintf( e__('A menu named "%s" already exists; please try another name.'), $existing_term->name ) ) . '</p></div>';
	 		} else {
				$term = wp_insert_term( $insert_menu_name, 'nav_menu' );
				if ( !is_wp_error($term) ) {
					$term = get_term($term['term_id'], 'nav_menu');
					$custom_menus[$term->term_id] = $term;
	 				$menu_selected_id = $term->term_id;
	 				$menu_id_in_edit = $menu_selected_id;
	 				$messagesdiv = '<div id="message" class="updated fade below-h2"><p>' . esc_html( sprintf( __('"%s" menu has been created!'), $term->name ) ) . '</p></div>';

					$postCounter = 0;
	 			}
	 		}
	 	} else {
	 		$messagesdiv = '<div id="message" class="error fade below-h2"><p>' . __('Please enter a valid menu name.') . '</p></div>';
	 	}
	}

	if ( isset($_POST['reset_wp_menu']) ) {
    	$success = wp_custom_nav_reset();
    	if ( $success ) {
	    	// DISPLAY SUCCESS MESSAGE IF Menu Reset Correctly
			$messagesdiv = '<div id="message" class="updated fade below-h2"><p>' . __('The menu has been reset.') . '</p></div>';
			// GET reset menu id
			$custom_menus = array();
			$menu_selected_id = 0;
	    } else {
    		// DISPLAY SUCCESS MESSAGE IF Menu Reset Correctly
			$messagesdiv = '<div id="message" class="error fade below-h2"><p>' . __('The menu could not be reset. Please try again.') . '</p></div>';
	    }
	} elseif ( $postCounter > 0 && $menu_selected_id > 0 ) {
		$menu_objects = get_objects_in_term( $menu_selected_id, 'nav_menu' );
		$menu_items = wp_custom_navigation_get_menu_items( $menu_objects );

		// Loop through all POST variables
 		for ( $k = 1; $k <= $postCounter; $k++ ) {
 			if (isset($_POST['dbid'.$k])) { $db_id = $_POST['dbid'.$k]; } else { $db_id = 0; }
 			if (isset($_POST['postmenu'.$k])) { $object_id = $_POST['postmenu'.$k]; } else { $object_id = 0; }
			if (isset($_POST['parent'.$k])) { $parent_id = $_POST['parent'.$k]; } else { $parent_id = 0; }
 			if (isset($_POST['title'.$k])) { $custom_title = $_POST['title'.$k]; } else { $custom_title = ''; }
 			if (isset($_POST['linkurl'.$k])) { $custom_linkurl = $_POST['linkurl'.$k]; } else { $custom_linkurl = ''; }
 			if (isset($_POST['description'.$k])) { $custom_description = $_POST['description'.$k]; } else { $custom_description = ''; }
			// doesn't seem to be used by UI
			if (isset($_POST['icon'.$k])) { $icon = $_POST['icon'.$k]; } else { $icon = 0; }
 			if (isset($_POST['position'.$k])) { $position = $_POST['position'.$k]; } else { $position = 0; }
 			if (isset($_POST['linktype'.$k])) { $linktype = $_POST['linktype'.$k]; } else { $linktype = 'custom'; }
 			if (isset($_POST['anchortitle'.$k])) { $custom_anchor_title = $_POST['anchortitle'.$k]; } else { $custom_anchor_title = $custom_title; }
 			if (isset($_POST['newwindow'.$k])) { $new_window = $_POST['newwindow'.$k]; } else { $new_window = 0; }

			$post = array( 'post_status' => 'publish', 'post_type' => 'nav_menu_item', 'post_author' => $user_ID,
				'ping_status' => 0, 'post_parent' => 0, 'menu_order' => $position,
				'guid' => $custom_linkurl, 'post_excerpt' => $custom_anchor_title, 'tax_input' => array( 'nav_menu' => $menu_title ),
				'post_content' => $custom_description, 'post_title' => $custom_title );
			if ( $new_window )
				$post['post_content_filtered'] = '_blank';
			else
				$post['post_content_filtered'] = '';
			if ( $parent_id > 0 && isset( $_POST[ 'dbid' . $parent_id ] ) )
				$post[ 'post_parent' ] = (int) $_POST[ 'dbid' . $parent_id ];

			// New menu item
	 		if ( $db_id == 0 ) {
				$db_id = wp_insert_post( $post );
			} elseif ( isset( $menu_items[$db_id] ) ) {
				$post['ID'] = $db_id;
				wp_update_post( $post );
				unset( $menu_items[$db_id] );
			}
			update_post_meta($db_id, 'menu_type', $linktype);
			update_post_meta($db_id, 'object_id', $object_id);
		}
		if ( !empty( $menu_items ) ) {
			foreach ( array_keys( $menu_items ) as $menu_id ) {
				wp_delete_post( $menu_id );
			}
		}
		// DISPLAY SUCCESS MESSAGE IF POST CORRECT
		$messagesdiv = '<div id="message" class="updated fade below-h2"><p>' . __('The menu has been updated.') . '</p></div>';
	}

 		// DISPLAY Custom Navigation
 		?>
		<?php screen_icon(); ?>
		<h2 class="maintitle"><?php esc_html_e('Menus') ?></h2>
		<div id="pages-left">
			<div class="inside">
			<?php

				// CHECK if custom menu has been enabled
				$enabled_menu = get_option('wp_custom_nav_menu');
			    $checked = strtolower($enabled_menu);

				if ( $checked != 'true' )
					echo '<div id="message-enabled" class="error fade below-h2"><p><strong>' . __('Menu editing has not been Enabled yet. Please enable it in order to use it -------->') . '</strong></p></div>';

			?>
			<?php echo $messagesdiv; ?>
			<form onsubmit="updatepostdata()" action="custom-navigation.php" method="post"  enctype="multipart/form-data">

			<input type="hidden" name="licount" id="licount" value="0" />
			<input type="hidden" name="menu_id_in_edit" id="menu_id_in_edit" value="<?php echo esc_attr($menu_selected_id); ?>" />

			<div class="sidebar-name">

				<div class="sidebar-name-arrow">
					<br/>
				</div>
				<h3><?php echo esc_html($menu_title); ?></h3>

			</div>

			<div id="nav-container">
				<ul id="custom-nav">

			<?php
			//DISPLAY existing menu
			if ( $menu_selected_id > 0 ) {
				// SET output type
				$output_type = "backend";
				// MAIN OUTPUT FUNCTION
				wp_custom_navigation_output( 'type='.$output_type.'&name='.$menu_title.'&id='.$menu_selected_id );
			}
			?>

				</ul>
			</div><!-- /#nav-container -->

			<p class="submit">

			<script type="text/javascript">
				updatepostdata();
			</script>

			<input id="save_bottom" name="save_bottom" type="submit" value="<?php esc_attr_e('Save All Changes'); ?>" /></p>
			</div><!-- /.inside -->
		</div>

		<div id="menu-right">
			<div class="widgets-holder-wrap">
				<div class="sidebar-name">
					<div class="sidebar-name-arrow"></div>
					<h3><?php esc_html_e('Setup Menus'); ?></h3>
				</div>
				<div class="widget-holder">

					<?php

			    	// Setup custom menu

					$enabled_menu = get_option('wp_custom_nav_menu');

			    	$checked = strtolower($enabled_menu);

			    	?>

			    	<span >
			    		<label><?php _e('Enable'); ?></label><input type="radio" name="enable_wp_menu" value="true" <?php if ($checked=='true') { echo 'checked="checked"'; } ?> />
			    		<label><?php _e('Disable'); ?></label><input type="radio" name="enable_wp_menu" value="false" <?php if ($checked=='true') { } else { echo 'checked="checked"'; } ?> />
					</span><!-- /.checkboxes -->

					<input id="set_wp_menu" type="submit" value="<?php esc_attr_e('Set Menu'); ?>" name="set_wp_menu" class="button" /><br />

					<span>
						<label><?php _e('Reset Menu to Default'); ?></label>
						<input id="reset_wp_menu" type="submit" value="Reset" name="reset_wp_menu" class="button" onclick="return confirm('<?php _e('Are you sure you want to reset the menu to its default settings?'); ?>');" />
					</span>

					<div class="fix"></div>
				</div>
			</div><!-- /.widgets-holder-wrap -->

			<div class="widgets-holder-wrap">
				<div class="sidebar-name">
					<div class="sidebar-name-arrow"></div>
					<h3><?php esc_html_e('Menu Selector'); ?></h3>
				</div>
				<div class="widget-holder">
					<select id="menu_select" name="menu_select">
						<?php

						// Display select options
						foreach ( $custom_menus as $menu ) {
							$menu_term = get_term( $menu, 'nav_menu' );
							if ( ( $menu_id_in_edit == $menu->term_id ) || ( $menu_selected_id == $menu->term_id ) )
								$selected_option = 'selected="selected"';
							else
								$selected_option = '';
							?>
							<option value="<?php echo esc_attr($menu_term->term_id); ?>" <?php echo $selected_option; ?>><?php echo $menu_term->name; ?></option>
							<?php

						}
						?>
					</select>

					<input id="switch_menu" type="submit" value="<?php esc_attr_e('Switch'); ?>" name="switch_menu" class="button" />
					<input id="add_menu_name" name="add_menu_name" type="text" value=""  />
					<input id="add_menu" type="submit" value="<?php esc_attr_e('Add Menu'); ?>" name="add_menu" class="button" />

					<div class="fix"></div>
				</div>
			</div><!-- /.widgets-holder-wrap -->
			<?php $advanced_option_descriptions = get_option('wp_settings_custom_nav_advanced_options'); ?>
			<div class="widgets-holder-wrap" style="display:none;">
				<div class="sidebar-name">
					<div class="sidebar-name-arrow"></div>
					<h3><?php esc_html_e('Top Level Menu Descriptions'); ?></h3>
				</div>
				<div class="widget-holder">
					<span><?php _e('Display Descriptions in Top Level Menu?'); ?></span>

					<?php

			    	// UPDATE and DISPLAY Menu Description Option
			    	if ( isset($_POST['menu-descriptions']) ) {
						if ( !isset($_POST['switch_menu']) ) {
							$menu_options_to_edit = $_POST['menu_id_in_edit'];
			    			update_option('wp_settings_custom_nav_'.$menu_options_to_edit.'_descriptions',$_POST['menu-descriptions']);
						}
			    	}

			    	if ( $menu_id_in_edit > 0 )
						$checkedraw = get_option('wp_settings_custom_nav_'.$menu_id_in_edit.'_descriptions');
					else
						$checkedraw = get_option('wp_settings_custom_nav_'.$menu_selected_id.'_descriptions');

			    	$checked = strtolower($checkedraw);

			    	if ( $advanced_option_descriptions == 'no' )
			    		$checked = 'no';

			    	?>

			    	<span class="checkboxes">
			    		<label><?php _e('Yes'); ?></label><input type="radio" name="menu-descriptions" value="yes" <?php if ($checked=='yes') { echo 'checked="checked"'; } ?> />
			    		<label><?php _e('No'); ?></label><input type="radio" name="menu-descriptions" value="no" <?php if ($checked=='yes') { } else { echo 'checked="checked"'; } ?> />
					</span><!-- /.checkboxes -->
			    	</form>
					<div class="fix"></div>
				</div>
			</div><!-- /.widgets-holder-wrap -->

			<div class="widgets-holder-wrap">
				<div class="sidebar-name">
					<div class="sidebar-name-arrow"></div>
					<h3><?php esc_html_e('Add an Existing Page'); ?></h3>
				</div>
				<div class="widget-holder">

					<?php

					$pages_args = array(
		    		'child_of' => 0,
					'sort_order' => 'ASC',
					'sort_column' => 'post_title',
					'hierarchical' => 1,
					'exclude' => '',
					'include' => '',
					'meta_key' => '',
					'meta_value' => '',
					'authors' => '',
					'parent' => -1,
					'exclude_tree' => '',
					'number' => '',
					'offset' => 0 );

					//GET all pages
					$pages_array = get_pages($pages_args);
					$page_name = '';
					//CHECK if pages exist
					if ( $pages_array ) {
						foreach ( $pages_array as $post ) {
							//Add page name to
							$page_name .= htmlentities($post->post_title).'|';
						}
					} else {
						$page_name = __('No pages available');
					}

					?>

					<script>
  						jQuery(document).ready(function(){

							//GET PHP pages
    						var dataposts = "<?php echo esc_js($page_name); ?>".split("|");

							//Set autocomplete
							jQuery("#page-search").autocomplete(dataposts);

							//Handle autocomplete result
							jQuery("#page-search").result(function(event, data, formatted) {
    							jQuery('#existing-pages').css('display','block');
    							jQuery("#existing-pages dt:contains('" + data + "')").css("display", "block");

    							jQuery('#show-pages').hide();
    							jQuery('#hide-pages').show();

							});
							jQuery('#existing-pages').css('display','none');
 						});
  					</script>


					<input type="text" onfocus="jQuery('#page-search').attr('value','');" id="page-search" value="<?php esc_attr_e('Search Pages'); ?>" />

					<a id="show-pages" style="cursor:pointer;" onclick="jQuery('#existing-pages').css('display','block');jQuery('#page-search').attr('value','');jQuery('#existing-pages dt').css('display','block');jQuery('#show-pages').hide();jQuery('#hide-pages').show();">View All</a>
					<a id="hide-pages" style="cursor:pointer;" onclick="jQuery('#existing-pages').css('display','none');jQuery('#page-search').attr('value','Search Pages');jQuery('#existing-pages dt').css('display','none');jQuery('#show-pages').show();jQuery('#hide-pages').hide();">Hide All</a>

					<script type="text/javascript">

						jQuery('#hide-pages').hide();

					</script>

					<ul id="existing-pages" class="list">
						<?php
							$intCounter = 0;
							//Get default Pages
							$intCounter = wp_custom_nav_get_pages($intCounter,'default');
						?>
					</ul>

					<div class="fix"></div>

				</div>
			</div><!-- /.widgets-holder-wrap -->

			<div class="widgets-holder-wrap">
				<div class="sidebar-name">
					<div class="sidebar-name-arrow"></div>
					<h3><?php esc_html_e('Add an Existing Category'); ?></h3>
				</div>
				<div class="widget-holder">

					<?php

					// Custom GET categories query
					// @todo Use API
					$categories = $wpdb->get_results("SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = 'category' ORDER BY term_id ASC");
					$cat_name = '';
					//CHECK for results
					if ( $categories ) {
						foreach ( $categories as $category ) {
							$cat_id = $category->term_id;

							$cat_args = array(
							 	'orderby' => 'name',
							  	'include' => $cat_id,
							  	'hierarchical' => 1,
						  		'order' => 'ASC'
				  			);

				  			$category_names=get_categories($cat_args);

							if ( isset($category_names[0]->name) ) {
								// Add category name to data string
								$cat_name .= htmlentities($category_names[0]->name).'|';
							}
				  		}
				  	} else {
						$cat_name = __('No categories available');
					}

					?>

					<script>
  						jQuery(document).ready(function(){

							//GET PHP categories
    						var datacats = "<?php echo esc_js($cat_name); ?>".split("|");

							//Set autocomplete
							jQuery("#cat-search").autocomplete(datacats);

							//Handle autocomplete result
							jQuery("#cat-search").result(function(event, data, formatted) {
    							jQuery('#existing-categories').css('display','block');
    							jQuery("#existing-categories dt:contains('" + data + "')").css("display", "block");

    							jQuery('#show-cats').hide();
    							jQuery('#hide-cats').show();

							});
							jQuery('#existing-categories').css('display','none');

 						});
  					</script>

					<input type="text" onfocus="jQuery('#cat-search').attr('value','');" id="cat-search" value="<?php esc_attr_e('Search Categories'); ?>" />

					<a id="show-cats" style="cursor:pointer;" onclick="jQuery('#existing-categories').css('display','block');jQuery('#cat-search').attr('value','');jQuery('#existing-categories dt').css('display','block');jQuery('#show-cats').hide();jQuery('#hide-cats').show();">View All</a>
					<a id="hide-cats" style="cursor:pointer;" onclick="jQuery('#existing-categories').css('display','none');jQuery('#cat-search').attr('value','Search Categories');jQuery('#existing-categories dt').css('display','none');jQuery('#show-cats').show();jQuery('#hide-cats').hide();">Hide All</a>

					<script type="text/javascript">

						jQuery('#hide-cats').hide();

					</script>

					<ul id="existing-categories" class="list">
            			<?php
						 	// Get default Categories
            				$intCounter = wp_custom_nav_get_categories($intCounter, 'default');
						?>
       				</ul>

       				<div class="fix"></div>

				</div>
			</div><!-- /.widgets-holder-wrap -->

			<div class="widgets-holder-wrap">
				<div class="sidebar-name">
					<div class="sidebar-name-arrow"></div>
					<h3><?php esc_html_e('Add a Custom Url'); ?></h3>
				</div>
				<div class="widget-holder">
					<input id="custom_menu_item_url" type="text" value="http://"  />
					<label><?php _e('URL'); ?></label><br />
           			<?php $templatedir = get_bloginfo('url'); ?>
            		<input type="hidden" id="templatedir" value="<?php echo esc_attr($templatedir); ?>" />
            		<input id="custom_menu_item_name" type="text" value="Menu Item" onfocus="jQuery('#custom_menu_item_name').attr('value','');"  />
            		<label><?php _e('Menu Text'); ?></label><br />
           			<input id="custom_menu_item_description" type="text" value="<?php esc_attr_e('A description'); ?>" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> onfocus="jQuery('#custom_menu_item_description').attr('value','');" />
           			<label <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> ><?php _e('Description'); ?></label>
           			<a class="addtomenu" onclick="appendToList('<?php echo $templatedir; ?>','Custom','','','','0','');jQuery('#custom_menu_item_name').attr('value','Menu Item');jQuery('#custom_menu_item_description').attr('value','A description');"><?php _e('Add to menu'); ?></a>
					<div class="fix"></div>
				</div>
			</div><!-- /.widgets-holder-wrap -->

       </div>
    </div>

    <script type="text/javascript">
		document.getElementById('pages-left').style.display='block';
		document.getElementById('menu-right').style.display='block';
		document.getElementById('no-js').style.display='none';
	</script>

	<div id="dialog-confirm" title="<?php esc_attr_e('Edit Menu Item'); ?>">
		</label><input id="edittitle" type="text" name="edittitle" value="" /><label class="editlabel" for="edittitle"><?php _e('Menu Title'); ?></label><br />
		<input id="editlink" type="text" name="editlink" value="" /><label class="editlabel" for="editlink"><?php _e('URL'); ?></label><br />
		<input id="editanchortitle" type="text" name="editanchortitle" value="" /><label class="editlabel" for="editanchortitle"><?php _e('Link Title'); ?></label><br />
		<select id="editnewwindow" name="editnewwindow">
			<option value="1"><?php _e('Yes'); ?></option>
			<option value="0"><?php _e('No'); ?></option>
		</select><label class="editlabel" for="editnewwindow"><?php _e('Open Link in a new window'); ?></label>
		<input id="editdescription" type="text" name="editdescription" value="" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> /><label class="editlabel" for="editdescription" <?php if ($advanced_option_descriptions == 'no') { ?>style="display:none;"<?php } ?> ><?php _e('Description'); ?></label><br />
	</div>

<?php
}

include("admin-footer.php");