plugin install

wp/wp-content/plugins/gravityforms/js/plugin_settings.js

@@ -0,0 +1,78 @@
+( function ( $ ) {
+
+	$(document).ready(function() {
+		gform.adminUtils.handleUnsavedChanges( '#gform-settings' );
+	});
+
+	var $container  = $( 'div[id="gform_setting_reset"]' ),
+		$publicKey  = $( 'input[name="_gform_setting_public_key"]' ),
+		$privateKey = $( 'input[name="_gform_setting_private_key"]' ),
+		$reset      = $( 'input[name="_gform_setting_reset"]' );
+
+	window.loadRecaptcha = function () {
+
+		var $recaptcha = $( '#recaptcha' ),
+			$save      = $( '#gform-settings-save' ),
+			type       = $( 'input[name="_gform_setting_type"]:checked' ).val();
+
+		// Flush existing state.
+		window.___grecaptcha_cfg.clients = {};
+		window.___grecaptcha_cfg.count = 0;
+		$recaptcha.html( '' );
+		$reset.val( 1 );
+
+		// Reset key status.
+		$( '#recpatcha .gform-settings-field__feedback' ).remove();
+
+		// If no public or private key is provided, exit.
+		if ( ! $publicKey.val() || ! $privateKey.val() ) {
+			$save.prop( 'disabled', false );
+			$container.hide();
+			return;
+		} else {
+			$save.prop( 'disabled', true );
+		}
+
+		// Render reCAPTCHA.
+		grecaptcha.render(
+			'recaptcha',
+			{
+				'sitekey':        $publicKey.val(),
+				'size':           type === 'invisible' ? type : '',
+				'badge':          'inline',
+				'error-callback': function () {
+				},
+				'callback':       function () {
+					$save.prop( 'disabled', false );
+				}
+			}
+		);
+
+		switch ( type ) {
+
+			case 'checkbox':
+				$( '#gforms_checkbox_recaptcha_message, label[for="reset"]' ).show();
+				break;
+
+			case 'invisible':
+				$( '#gforms_checkbox_recaptcha_message, label[for="reset"]' ).hide();
+				break;
+
+		}
+
+		$container.show();
+
+		if ( type === 'invisible' ) {
+			grecaptcha.execute();
+		}
+
+	};
+
+	$publicKey.on( 'change', loadRecaptcha );
+	$privateKey.on( 'change', loadRecaptcha );
+
+	$( 'input[name="_gform_setting_type"]' ).on( 'change', function () {
+		loadRecaptcha();
+	} );
+
+} )( jQuery );