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1 <?php |
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2 /** |
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3 * Navigation Menu API: Walker_Nav_Menu_Checklist class |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Administration |
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7 * @since 4.4.0 |
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8 */ |
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9 |
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10 /** |
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11 * Create HTML list of nav menu input items. |
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12 * |
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13 * @since 3.0.0 |
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14 * @uses Walker_Nav_Menu |
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15 */ |
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16 class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu { |
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17 /** |
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18 * |
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19 * @param array $fields |
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20 */ |
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21 public function __construct( $fields = false ) { |
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22 if ( $fields ) { |
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23 $this->db_fields = $fields; |
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24 } |
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25 } |
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26 |
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27 /** |
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28 * Starts the list before the elements are added. |
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29 * |
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30 * @see Walker_Nav_Menu::start_lvl() |
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31 * |
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32 * @since 3.0.0 |
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33 * |
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34 * @param string $output Used to append additional content (passed by reference). |
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35 * @param int $depth Depth of page. Used for padding. |
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36 * @param array $args Not used. |
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37 */ |
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38 public function start_lvl( &$output, $depth = 0, $args = array() ) { |
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39 $indent = str_repeat( "\t", $depth ); |
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40 $output .= "\n$indent<ul class='children'>\n"; |
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41 } |
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42 |
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43 /** |
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44 * Ends the list of after the elements are added. |
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45 * |
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46 * @see Walker_Nav_Menu::end_lvl() |
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47 * |
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48 * @since 3.0.0 |
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49 * |
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50 * @param string $output Used to append additional content (passed by reference). |
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51 * @param int $depth Depth of page. Used for padding. |
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52 * @param array $args Not used. |
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53 */ |
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54 public function end_lvl( &$output, $depth = 0, $args = array() ) { |
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55 $indent = str_repeat( "\t", $depth ); |
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56 $output .= "\n$indent</ul>"; |
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57 } |
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58 |
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59 /** |
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60 * Start the element output. |
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61 * |
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62 * @see Walker_Nav_Menu::start_el() |
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63 * |
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64 * @since 3.0.0 |
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65 * |
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66 * @global int $_nav_menu_placeholder |
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67 * |
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68 * @param string $output Used to append additional content (passed by reference). |
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69 * @param object $item Menu item data object. |
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70 * @param int $depth Depth of menu item. Used for padding. |
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71 * @param array $args Not used. |
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72 * @param int $id Not used. |
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73 */ |
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74 public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { |
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75 global $_nav_menu_placeholder; |
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76 |
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77 $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1; |
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78 $possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder; |
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79 $possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0; |
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80 |
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81 $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; |
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82 |
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83 $output .= $indent . '<li>'; |
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84 $output .= '<label class="menu-item-title">'; |
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85 $output .= '<input type="checkbox" class="menu-item-checkbox'; |
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86 |
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87 if ( ! empty( $item->front_or_home ) ) |
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88 $output .= ' add-to-top'; |
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89 |
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90 $output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> '; |
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91 |
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92 if ( ! empty( $item->label ) ) { |
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93 $title = $item->label; |
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94 } elseif ( isset( $item->post_type ) ) { |
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95 /** This filter is documented in wp-includes/post-template.php */ |
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96 $title = apply_filters( 'the_title', $item->post_title, $item->ID ); |
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97 if ( ! empty( $item->front_or_home ) && _x( 'Home', 'nav menu home label' ) !== $title ) |
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98 $title = sprintf( _x( 'Home: %s', 'nav menu front page title' ), $title ); |
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99 } |
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100 |
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101 $output .= isset( $title ) ? esc_html( $title ) : esc_html( $item->title ); |
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102 $output .= '</label>'; |
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103 |
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104 // Menu item hidden fields |
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105 $output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />'; |
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106 $output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="'. esc_attr( $item->object ) .'" />'; |
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107 $output .= '<input type="hidden" class="menu-item-parent-id" name="menu-item[' . $possible_object_id . '][menu-item-parent-id]" value="'. esc_attr( $item->menu_item_parent ) .'" />'; |
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108 $output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="'. esc_attr( $item->type ) .'" />'; |
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109 $output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="'. esc_attr( $item->title ) .'" />'; |
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110 $output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="'. esc_attr( $item->url ) .'" />'; |
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111 $output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="'. esc_attr( $item->target ) .'" />'; |
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112 $output .= '<input type="hidden" class="menu-item-attr_title" name="menu-item[' . $possible_object_id . '][menu-item-attr_title]" value="'. esc_attr( $item->attr_title ) .'" />'; |
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113 $output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="'. esc_attr( implode( ' ', $item->classes ) ) .'" />'; |
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114 $output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="'. esc_attr( $item->xfn ) .'" />'; |
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115 } |
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116 |
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117 } // Walker_Nav_Menu_Checklist |