gw-limit-columns-in-survey-field-to-single-selection.js: Added snip…

…pet to limit columns in survey field to single selections.

gravity-forms/gw-limit-columns-in-survey-field-to-single-selection.js

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+/**
+ * Gravity Wiz // Gravity Forms // Limit Columns in Survey Field to Single Selection
+ * https://gravitywiz.com/
+ * 
+ * Video: https://www.loom.com/share/cf1f7f5bb254430c8ae939d5d4b9ea20
+ *
+ * Instructions:
+ *
+ * 1. Install this snippet with our free Custom JavaScript plugin.
+ *    https://gravitywiz.com/gravity-forms-code-chest/
+ */
+// Update to the Survey field ID on your form.
+const fieldId = '1';
+document.addEventListener( 'change', function ( event ) {
+
+	if ( event.target.type == 'radio' ) {
+		const selectedRadio = event.target;
+
+		const field = selectedRadio.closest( `#field_${GFFORMID}_${fieldId}` );
+		// Exit if the radio button is not within the target field.
+		if ( !field ) {
+			return;
+		}
+
+		// Get the column ID of the radio button
+		const ariaLabels = selectedRadio.getAttribute( 'aria-labelledby' ).split(' ');
+		const columnId = ariaLabels.find(label => label.startsWith( 'likert_col_' ));
+
+		if (columnId) {
+			// Find all radio buttons in the same table within the specified field/
+			const table = selectedRadio.closest( 'table' );
+			const radiosInColumn = table.querySelectorAll( `input[type="radio"][aria-labelledby*="${columnId}"]` );
+
+			// Deselect all other radio buttons in the same column/
+			radiosInColumn.forEach(radio => {
+				if (radio != selectedRadio) {
+					radio.checked = false;
+				}
+			});
+		}
+	}
+});