1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158

// 独自タグ[visit_days]追記
add_action( 'wpcf7_init', 'wpcf7_add_form_tag_visitdays' );

// 独自タグ[visit_days]を定義（末尾*は必須項目用）
function wpcf7_add_form_tag_visitdays() {
    wpcf7_add_form_tag( array( 'visit_days', 'visit_days*' ),
        'wpcf7_pagelist_form_tag_handler', // 関数名
        array(
            'name-attr' => true,
            'selectable-values' => true,
            'multiple-controls-container' => true,
        )
    );
}

// 独自タグの内容を定義する関数
function wpcf7_pagelist_form_tag_handler( $tag ) {
    if ( empty( $tag->name ) ) {
        return '';
    }

    $validation_error = wpcf7_get_validation_error( $tag->name );
    $class = wpcf7_form_controls_class( $tag->type );

    if ( $validation_error ) {
        $class .= ' wpcf7-not-valid';
    }

    // オプションの設定
    $label_first        = $tag->has_option( 'label_first' );
    $use_label_element  = $tag->has_option( 'use_label_element' );
    $exclusive          = $tag->has_option( 'exclusive' );
    $multiple           = false;

    if ( 'visit_days' == $tag->basetype ) {
        $multiple = ! $exclusive;
    }

    if ( $exclusive ) {
        $class .= ' wpcf7-exclusive-checkbox';
    }

    $atts = array();

    $atts['class']  = $tag->get_class_option( $class );
    $atts['id']     = $tag->get_id_option();

    $tabindex = $tag->get_option( 'tabindex', 'signed_int', true );

    if ( false !== $tabindex ) {
        $tabindex = (int) $tabindex;
    }

    // 参加日付を取得
    $now = strtotime('now');
    $secondThrs = strtotime("second thursday of this month");
    $day1 = date('m/d', strtotime("second wednesday of this month"));
    $day2 = date('m/d', strtotime("fourth wednesday of this month"));
    $day3 = date('m/d', strtotime("second wednesday of next month"));
    if ($now >= $secondThrs) {
        $day1 = date('m/d', strtotime("fourth wednesday of this month"));
        $day2 = date('m/d', strtotime("second wednesday of next month"));
        $day3 = date('m/d', strtotime("fourth wednesday of next month"));
    }
    $visitdays = array($day1, $day2, $day3, "その他");


    $html = '';
    $count = 0;

    $hangover = wpcf7_get_hangover( $tag->name, $multiple ? array() : '' );

    foreach($visitdays as $visitday) {
        $class = 'wpcf7-list-item';

        $checked    = false;
        $key        = $count;
        $value      = $visitday;
        $label      = $value;

        if ( $hangover ) {
            if ( $multiple ) {
                $checked = in_array( $value, (array) $hangover, true );
            } else {
                $checked = ( $hangover === $value );
            }
        } else {
            $checked = in_array( $count + 1, (array) $defaults );
        }

        $item_atts = array(
            'type'      => 'checkbox',
            'name'      => $tag -> name . ( $multiple ? '[]' : '' ),
            'value'     => $value,
            'checked'   => $checked ? 'checked' : '',
            'tabindex'  => false !== $tabindex ? $tabindex : '',
        );

        $item_atts = wpcf7_format_atts( $item_atts );

        if ( $label_first ) { // put label first, input last
            $item = sprintf(
                '<span class="wpcf7-list-item-label">%1$s</span><input %2$s />',
                esc_html( $label ), $item_atts );
        } else {
            $item = sprintf(
                '<input %2$s /><span class="wpcf7-list-item-label">%1$s</span>',
                esc_html( $label ), $item_atts );
        }

        if ( $use_label_element ) {
            $item = '<label>' . $item . '</label>';
        }

        if ( false !== $tabindex && 0 < $tabindex ) {
            $tabindex += 1;
        }

        $count += 1;

        if ( 1 == $count ) {
            $class .= ' first';
        }

        if ( count( $visitdays ) == $count ) { // last round
            $class .= ' last';
        }

        $item = '<span class="' . esc_attr( $class ) . '">' . $item . '</span>';
        $html .= $item;
    } // foreach

    $atts = wpcf7_format_atts( $atts );

    $html = sprintf(
        '<span class="wpcf7-form-control-wrap %1$s"><span %2$s>%3$s</span>%4$s</span>',
        sanitize_html_class( $tag->name ), $atts, $html, $validation_error );

    return $html;

}

// バリデートの設定
add_filter( 'wpcf7_validate_visit_days', 'wpcf7_visit_days_validation_filter', 10, 2 );
add_filter( 'wpcf7_validate_visit_days*', 'wpcf7_visit_days_validation_filter', 10, 2 );

function wpcf7_visit_days_validation_filter( $result, $tag ) {
    $type = $tag->type;
    $name = $tag->name;
    $is_required = $tag->is_required() || 'visit_days*' == $type; // 'visit_days*' は独自タグ
    $value = isset( $_POST[$name] ) ? (array) $_POST[$name] : array();

    if ( $is_required && empty( $value ) ) {
        $result->invalidate( $tag, wpcf7_get_message( 'invalid_required' ) );
    }

    return $result;
}