Project: Add option to limit field choices selection

classes/controllers/FrmFieldsController.php

@@ -377,6 +377,29 @@ private static function maybe_define_field_selection_data() {
 		return self::$field_selection_data;
 	}
 
+	/**
+	 * @since x.x
+	 *
+	 * @param array  $field
+	 * @param string $opt_key
+	 *
+	 * @return bool
+	 */
+	public static function maybe_disable_option( $field, $opt_key ) {
+		if ( FrmAppHelper::is_form_builder_page() ) {
+			return false;
+		}
+
+		/**
+		 * @since x.x
+		 *
+		 * @param bool  $disabled
+		 * @param array $field
+		 * @param string $opt_key
+		 */
+		return apply_filters( 'frm_choice_limit_reached', false, $field, $opt_key );
+	}
+
 	/**
 	 * Get the list of default value types that can be toggled in the builder.
 	 *

classes/views/frm-fields/front-end/checkbox-field.php

@@ -16,12 +16,13 @@
 	do_action( 'frm_after_checkbox', compact( 'field', 'field_name', 'type' ) );
 } elseif ( $field['options'] ) {
 	$option_index = 0;
-
+	$form_options = FrmDb::get_var( 'frm_forms', array( 'id' => $field['form_id'] ), 'options' );
+	FrmAppHelper::unserialize_or_decode( $form_options );
 	foreach ( $field['options'] as $opt_key => $opt ) {
-		if ( isset( $shortcode_atts ) && isset( $shortcode_atts['opt'] ) && $shortcode_atts['opt'] !== $opt_key ) {
+		$disabled = FrmFieldsController::maybe_disable_option( $field, $opt_key, $form_options );
+		if ( FrmProFieldsController::should_hide_field_choice( $disabled, $shortcode_atts, $opt_key, $form_options ) ) {
 			continue;
 		}
-
 		$field_val = FrmFieldsHelper::get_value_from_array( $opt, $opt_key, $field );
 		$opt       = FrmFieldsHelper::get_label_from_array( $opt, $opt_key, $field );
 
@@ -65,10 +66,15 @@
 		}
 
 		?><input type="checkbox" name="<?php echo esc_attr( $field_name ); ?>[<?php echo esc_attr( $other_opt ? $opt_key : '' ); ?>]" id="<?php echo esc_attr( $html_id ); ?>-<?php echo esc_attr( $opt_key ); ?>" value="<?php echo esc_attr( $field_val ); ?>"<?php
-		echo $checked . ' '; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
 
 		do_action( 'frm_field_input_html', $field );
 
+		if ( $disabled ) {
+			echo ' disabled="disabled" data-max-reached="1"';
+		} else {
+			echo $checked . ' '; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+		}
+
 		if ( 0 === $option_index && FrmField::is_required( $field ) ) {
 			echo ' aria-required="true" ';
 		}

classes/views/frm-fields/front-end/dropdown-field.php

@@ -69,7 +69,11 @@
 		if ( FrmFieldsHelper::is_other_opt( $opt_key ) ) {
 			$option_params['class'] = 'frm_other_trigger';
 		}
-
+		$disabled = FrmFieldsController::maybe_disable_option( $field, $opt_key );
+		if ( $disabled ) {
+			$option_params['disabled'] = 'disabled';
+			$selected = false;
+		}
 		FrmHtmlHelper::echo_dropdown_option( $opt, (bool) $selected, $option_params );
 		unset( $option_params );
 	}//end foreach

classes/views/frm-fields/front-end/radio-field.php

@@ -15,11 +15,13 @@
 	$type = $field['type'];
 	do_action( 'frm_after_checkbox', compact( 'field', 'field_name', 'type' ) );
 } elseif ( is_array( $field['options'] ) ) {
+	$form_options = FrmDb::get_var( 'frm_forms', array( 'id' => $field['form_id'] ), 'options' );
+	FrmAppHelper::unserialize_or_decode( $form_options );
 	foreach ( $field['options'] as $opt_key => $opt ) {
-		if ( isset( $shortcode_atts ) && isset( $shortcode_atts['opt'] ) && ( $shortcode_atts['opt'] !== $opt_key ) ) {
+		$disabled = FrmFieldsController::maybe_disable_option( $field, $opt_key, $form_options );
+		if ( FrmProFieldsController::should_hide_field_choice( $disabled, $shortcode_atts, $opt_key, $form_options ) ) {
 			continue;
 		}
-
 		$field_val = FrmFieldsHelper::get_value_from_array( $opt, $opt_key, $field );
 		$opt       = FrmFieldsHelper::get_label_from_array( $opt, $opt_key, $field );
 
@@ -53,8 +55,8 @@
 		?>
 		<input type="radio" name="<?php echo esc_attr( $field_name ); ?>" id="<?php echo esc_attr( $html_id . '-' . $opt_key ); ?>" value="<?php echo esc_attr( $field_val ); ?>"
 		<?php
-		echo $checked . ' '; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
 		do_action( 'frm_field_input_html', $field );
+		echo $disabled ? ' disabled="disabled" ' : $checked . ' '; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
 		?>/><?php
 
 		if ( ! isset( $shortcode_atts ) || ! isset( $shortcode_atts['label'] ) || $shortcode_atts['label'] ) {