show Spinner when stuff is being saved

apps/user_ldap/css/settings.css

@@ -123,6 +123,14 @@ select[multiple=multiple] + button {
 	max-width: 40%;
 }
 
+#ldap .ldap_saving {
+	margin-right: 15px;
+	color: orange;
+	font-weight: bold;
+}
+
+#ldap .ldap_saving img { height: 15px; }
+
 .ldap_config_state_indicator_sign {
 	display: inline-block;
 	height: 16px;

apps/user_ldap/js/settings.js

@@ -747,7 +747,10 @@ var LdapWizard = {
 		}
 	},
 
+	saveProcesses: 0,
 	_save: function(object, value) {
+		$('#ldap .ldap_saving').removeClass('hidden');
+		LdapWizard.saveProcesses += 1;
 		param = 'cfgkey='+encodeURIComponent(object.id)+
 				'&cfgval='+encodeURIComponent(value)+
 				'&action=save'+
@@ -757,10 +760,14 @@ var LdapWizard = {
 			OC.filePath('user_ldap','ajax','wizard.php'),
 			param,
 			function(result) {
+				LdapWizard.saveProcesses -= 1;
+				if(LdapWizard.saveProcesses === 0) {
+					$('#ldap .ldap_saving').addClass('hidden');
+				}
 				if(result.status === 'success') {
 					LdapWizard.processChanges(object);
 				} else {
-// 					alert('Oooooooooooh :(');
+					console.log('Could not save value for ' + object.id);
 				}
 			}
 		);

apps/user_ldap/templates/part.wizardcontrols.php

@@ -1,4 +1,5 @@
 <div class="ldapWizardControls">
+	<span class="ldap_saving hidden"><?php p($l->t('Saving'));?> <img class="wizSpinner" src="<?php p(image_path('core', 'loading.gif')); ?>"/></span>
 	<span class="ldap_config_state_indicator"></span> <span class="ldap_config_state_indicator_sign"></span>
 	<button class="ldap_action_back invisible" name="ldap_action_back"
 			type="button">