select.php 7.73 KB
Newer Older
imac's avatar
imac committed
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251
<?php
/**
** A base module for [select] and [select*]
**/

/* form_tag handler */

add_action( 'wpcf7_init', 'wpcf7_add_form_tag_select' );

function wpcf7_add_form_tag_select() {
	wpcf7_add_form_tag( array( 'select', 'select*' ),
		'wpcf7_select_form_tag_handler',
		array(
			'name-attr' => true,
			'selectable-values' => true,
		)
	);
}

function wpcf7_select_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';
	}

	$atts = array();

	$atts['class'] = $tag->get_class_option( $class );
	$atts['id'] = $tag->get_id_option();
	$atts['tabindex'] = $tag->get_option( 'tabindex', 'int', true );

	if ( $tag->is_required() ) {
		$atts['aria-required'] = 'true';
	}

	$atts['aria-invalid'] = $validation_error ? 'true' : 'false';

	$multiple = $tag->has_option( 'multiple' );
	$include_blank = $tag->has_option( 'include_blank' );
	$first_as_label = $tag->has_option( 'first_as_label' );

	if ( $tag->has_option( 'size' ) ) {
		$size = $tag->get_option( 'size', 'int', true );

		if ( $size ) {
			$atts['size'] = $size;
		} elseif ( $multiple ) {
			$atts['size'] = 4;
		} else {
			$atts['size'] = 1;
		}
	}

	$values = $tag->values;
	$labels = $tag->labels;

	if ( $data = (array) $tag->get_data_option() ) {
		$values = array_merge( $values, array_values( $data ) );
		$labels = array_merge( $labels, array_values( $data ) );
	}

	$defaults = array();

	$default_choice = $tag->get_default_option( null, 'multiple=1' );

	foreach ( $default_choice as $value ) {
		$key = array_search( $value, $values, true );

		if ( false !== $key ) {
			$defaults[] = (int) $key + 1;
		}
	}

	if ( $matches = $tag->get_first_match_option( '/^default:([0-9_]+)$/' ) ) {
		$defaults = array_merge( $defaults, explode( '_', $matches[1] ) );
	}

	$defaults = array_unique( $defaults );

	$shifted = false;

	if ( $include_blank || empty( $values ) ) {
		array_unshift( $labels, '---' );
		array_unshift( $values, '' );
		$shifted = true;
	} elseif ( $first_as_label ) {
		$values[0] = '';
	}

	$html = '';
	$hangover = wpcf7_get_hangover( $tag->name );

	foreach ( $values as $key => $value ) {
		$selected = false;

		if ( $hangover ) {
			if ( $multiple ) {
				$selected = in_array( esc_sql( $value ), (array) $hangover );
			} else {
				$selected = ( $hangover == esc_sql( $value ) );
			}
		} else {
			if ( ! $shifted && in_array( (int) $key + 1, (array) $defaults ) ) {
				$selected = true;
			} elseif ( $shifted && in_array( (int) $key, (array) $defaults ) ) {
				$selected = true;
			}
		}

		$item_atts = array(
			'value' => $value,
			'selected' => $selected ? 'selected' : '',
		);

		$item_atts = wpcf7_format_atts( $item_atts );

		$label = isset( $labels[$key] ) ? $labels[$key] : $value;

		$html .= sprintf( '<option %1$s>%2$s</option>',
			$item_atts, esc_html( $label ) );
	}

	if ( $multiple ) {
		$atts['multiple'] = 'multiple';
	}

	$atts['name'] = $tag->name . ( $multiple ? '[]' : '' );

	$atts = wpcf7_format_atts( $atts );

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

	return $html;
}


/* Validation filter */

add_filter( 'wpcf7_validate_select', 'wpcf7_select_validation_filter', 10, 2 );
add_filter( 'wpcf7_validate_select*', 'wpcf7_select_validation_filter', 10, 2 );

function wpcf7_select_validation_filter( $result, $tag ) {
	$name = $tag->name;

	if ( isset( $_POST[$name] ) && is_array( $_POST[$name] ) ) {
		foreach ( $_POST[$name] as $key => $value ) {
			if ( '' === $value ) {
				unset( $_POST[$name][$key] );
			}
		}
	}

	$empty = ! isset( $_POST[$name] ) || empty( $_POST[$name] ) && '0' !== $_POST[$name];

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

	return $result;
}


/* Tag generator */

add_action( 'wpcf7_admin_init', 'wpcf7_add_tag_generator_menu', 25 );

function wpcf7_add_tag_generator_menu() {
	$tag_generator = WPCF7_TagGenerator::get_instance();
	$tag_generator->add( 'menu', __( 'drop-down menu', 'contact-form-7' ),
		'wpcf7_tag_generator_menu' );
}

function wpcf7_tag_generator_menu( $contact_form, $args = '' ) {
	$args = wp_parse_args( $args, array() );

	$description = __( "Generate a form-tag for a drop-down menu. For more details, see %s.", 'contact-form-7' );

	$desc_link = wpcf7_link( __( 'https://contactform7.com/checkboxes-radio-buttons-and-menus/', 'contact-form-7' ), __( 'Checkboxes, Radio Buttons and Menus', 'contact-form-7' ) );

?>
<div class="control-box">
<fieldset>
<legend><?php echo sprintf( esc_html( $description ), $desc_link ); ?></legend>

<table class="form-table">
<tbody>
	<tr>
	<th scope="row"><?php echo esc_html( __( 'Field type', 'contact-form-7' ) ); ?></th>
	<td>
		<fieldset>
		<legend class="screen-reader-text"><?php echo esc_html( __( 'Field type', 'contact-form-7' ) ); ?></legend>
		<label><input type="checkbox" name="required" /> <?php echo esc_html( __( 'Required field', 'contact-form-7' ) ); ?></label>
		</fieldset>
	</td>
	</tr>

	<tr>
	<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-name' ); ?>"><?php echo esc_html( __( 'Name', 'contact-form-7' ) ); ?></label></th>
	<td><input type="text" name="name" class="tg-name oneline" id="<?php echo esc_attr( $args['content'] . '-name' ); ?>" /></td>
	</tr>

	<tr>
	<th scope="row"><?php echo esc_html( __( 'Options', 'contact-form-7' ) ); ?></th>
	<td>
		<fieldset>
		<legend class="screen-reader-text"><?php echo esc_html( __( 'Options', 'contact-form-7' ) ); ?></legend>
		<textarea name="values" class="values" id="<?php echo esc_attr( $args['content'] . '-values' ); ?>"></textarea>
		<label for="<?php echo esc_attr( $args['content'] . '-values' ); ?>"><span class="description"><?php echo esc_html( __( "One option per line.", 'contact-form-7' ) ); ?></span></label><br />
		<label><input type="checkbox" name="multiple" class="option" /> <?php echo esc_html( __( 'Allow multiple selections', 'contact-form-7' ) ); ?></label><br />
		<label><input type="checkbox" name="include_blank" class="option" /> <?php echo esc_html( __( 'Insert a blank item as the first option', 'contact-form-7' ) ); ?></label>
		</fieldset>
	</td>
	</tr>

	<tr>
	<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-id' ); ?>"><?php echo esc_html( __( 'Id attribute', 'contact-form-7' ) ); ?></label></th>
	<td><input type="text" name="id" class="idvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-id' ); ?>" /></td>
	</tr>

	<tr>
	<th scope="row"><label for="<?php echo esc_attr( $args['content'] . '-class' ); ?>"><?php echo esc_html( __( 'Class attribute', 'contact-form-7' ) ); ?></label></th>
	<td><input type="text" name="class" class="classvalue oneline option" id="<?php echo esc_attr( $args['content'] . '-class' ); ?>" /></td>
	</tr>

</tbody>
</table>
</fieldset>
</div>

<div class="insert-box">
	<input type="text" name="select" class="tag code" readonly="readonly" onfocus="this.select()" />

	<div class="submitbox">
	<input type="button" class="button button-primary insert-tag" value="<?php echo esc_attr( __( 'Insert Tag', 'contact-form-7' ) ); ?>" />
	</div>

	<br class="clear" />

	<p class="description mail-tag"><label for="<?php echo esc_attr( $args['content'] . '-mailtag' ); ?>"><?php echo sprintf( esc_html( __( "To use the value input through this field in a mail field, you need to insert the corresponding mail-tag (%s) into the field on the Mail tab.", 'contact-form-7' ) ), '<strong><span class="mail-tag"></span></strong>' ); ?><input type="text" class="mail-tag code hidden" readonly="readonly" id="<?php echo esc_attr( $args['content'] . '-mailtag' ); ?>" /></label></p>
</div>
<?php
}