itemFormCtr = uiFactory.createItemFormController(ureq, getWindowControl(), currentItem, feed);
activateModalDialog(itemFormCtr);
} else if (editButtons != null && editButtons.contains(source)) {
currentItem = (Item) ((Link) source).getUserObject();
lock = feedManager.acquireLock(feed, currentItem, getIdentity());
if (lock.isSuccess()) {
itemFormCtr = uiFactory.createItemFormController(ureq, getWindowControl(), currentItem, feed);
activateModalDialog(itemFormCtr);
} else {