let the user change his display name, if supported by the back-end

lib/user.php

@@ -275,7 +275,7 @@ class OC_User {
 			foreach(self::$_usedBackends as $backend) {
 				if($backend->implementsActions(OC_USER_BACKEND_SET_DISPLAYNAME)) {
 					if($backend->userExists($uid)) {
-						$success |= $backend->setDisplayName($uid, $displayName);
+						$result |= $backend->setDisplayName($uid, $displayName);
 					}
 				}
 			}
@@ -436,6 +436,24 @@ class OC_User {
 		}
 		return false;
 	}
+	
+	/**
+	 * @brief Check whether user can change his display name
+	 * @param $uid The username
+	 * @returns true/false
+	 *
+	 * Check whether a specified user can change his display name
+	 */
+	public static function canUserChangeDisplayName($uid) {
+		foreach(self::$_usedBackends as $backend) {
+			if($backend->implementsActions(OC_USER_BACKEND_SET_DISPLAYNAME)) {
+				if($backend->userExists($uid)) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
 
 	/**
 	 * @brief Check if the password is correct

settings/ajax/changedisplayname.php

@@ -1,5 +1,6 @@
 <?php
 // Check if we are a user
+
 OCP\JSON::callCheck();
 OC_JSON::checkLoggedIn();
 
@@ -21,8 +22,8 @@ if(is_null($userstatus)) {
 
 // Return Success story
 if( OC_User::setDisplayName( $username, $displayName )) {
-	OC_JSON::success(array("data" => array( "username" => $username )));
+	OC_JSON::success(array("data" => array( "username" => $username, 'displayName' => $displayName )));
 }
 else{
-	OC_JSON::error(array("data" => array( "message" => "Unable to change display name" )));
+	OC_JSON::error(array("data" => array( "message" => "Unable to change display name", displayName => OC_User::getDisplayName($username) )));
 }

settings/css/settings.css

@@ -8,6 +8,8 @@ input#openid, input#webdav { width:20em; }
 /* PERSONAL */
 #passworderror { display:none; }
 #passwordchanged { display:none; }
+#displaynameerror { display:none; }
+#displaynamechanged { display:none; }
 input#identity { width:20em; }
 #email { width: 17em; }
 

settings/js/personal.js

@@ -31,6 +31,33 @@ $(document).ready(function(){
 		}
 
 	});
+	
+	$("#displaynamebutton").click( function(){
+		if ($('#displayName').val() != '' ) {
+			// Serialize the data
+			var post = $( "#displaynameform" ).serialize();
+			$('#displaynamechanged').hide();
+			$('#displaynemerror').hide();
+			// Ajax foo
+			$.post( 'ajax/changedisplayname.php', post, function(data){
+				if( data.status == "success" ){
+					$('#displaynamechanged').show();
+				}
+				else{
+					$('#newdisplayname').val(data.data.displayName)
+					$('#displaynameerror').html( data.data.message );
+					$('#displaynameerror').show();
+				}
+			});
+			return false;
+		} else {
+			$('#displayName').val($('#oldDisplayName').val());
+			$('#displaynamechanged').hide();
+			$('#displaynameerror').show();
+			return false;
+		}
+
+	});
 
 	$('#lostpassword #email').blur(function(event){
 		if ($(this).val() == this.defaultValue){

settings/personal.php

@@ -48,6 +48,8 @@ $tmpl->assign('usage_relative', $storageInfo['relative']);
 $tmpl->assign('email', $email);
 $tmpl->assign('languages', $languages);
 $tmpl->assign('passwordChangeSupported', OC_User::canUserChangePassword(OC_User::getUser()));
+$tmpl->assign('displayNameChangeSupported', OC_User::canUserChangeDisplayName(OC_User::getUser()));
+$tmpl->assign('displayName', OC_User::getDisplayName());
 
 $forms=OC_App::getForms('personal');
 $tmpl->assign('forms', array());

settings/templates/personal.php

@@ -33,6 +33,23 @@ if($_['passwordChangeSupported']) {
 }
 ?>
 
+<?php
+if($_['displayNameChangeSupported']) {
+?>
+<form id="displaynameform">
+	<fieldset class="personalblock">
+		<legend><strong><?php echo $l->t('Display Name');?></strong></legend>
+		<div id="displaynamechanged"><?php echo $l->t('Your display name was changed');?></div>
+		<div id="displaynameerror"><?php echo $l->t('Unable to change your display name');?></div>
+		<input type="text" id="displayName" name="displayName" value="<?php echo $_['displayName']?>" />
+		<input type="hidden" id="oldDisplayName" name="oldDisplayName" value="<?php echo $_['displayName']?>" />
+		<input id="displaynamebutton" type="submit" value="<?php echo $l->t('Change display name');?>" />
+	</fieldset>
+</form>
+<?php
+}
+?>
+
 <form id="lostpassword">
 	<fieldset class="personalblock">
 		<legend><strong><?php echo $l->t('Email');?></strong></legend>