mura-onBeforeFormSubmitSave-onFormSubmitErrorRender.cfm

<cfscript>
	// Drop this in your Site or Theme eventHandler.cfc
	public any function onBeforeFormSubmitSave($) {
		// reference to the formBean
		var formBean = arguments.$.event('formBean');

		// example on how to create some errors
		var error = '';
		var errors = {};

		// Check for any required fields/attributes, and create an error if missing
		if ( !Len($.event('message')) ) {
			StructAppend(errors, {'error1': 'Message is required.'});
		}
		// if ( !Len(newBean.getValue('someExtendedAttribute'))) {
		// 	StructAppend(errors, {'error2': 'Some Extended Attribute is required.'});
		// }

		// if there's errors
		if ( !StructIsEmpty(errors) ) {
			for ( error in errors ) {
				formBean.getErrors()[error] = errors[error];
			}
			arguments.$.event('acceptdata', false);
		} else {
			// no errors, so we're good!
			// do whatever else you want to do here (e.g. log something, etc.)
		}
	}

	public any function onFormSubmitErrorRender($) {
		var str = '';
		var formBean = arguments.$.event('formBean');
		var error = '';
		var errors = {};
		savecontent variable='str' {
			if ( !StructIsEmpty(formBean.getErrors()) ) {
				WriteOutput('<div class="alert alert-danger"><p><strong>Please review the following error(s)</strong></p><ul>');
				errors = formBean.getErrors();
				for ( error in errors ) {
					WriteOutput('<li>' & errors[error] & '</li>');
				}
				WriteOutput('</ul></div><p><a href="javascript:history.go(-1);">Try again &raquo;</a></p>');
			}
		}
		return str;
	}
</cfscript>