Example usage for com.vaadin.event Action.Handler Action.Handler

Introduction

In this page you can find the example usage for com.vaadin.event Action.Handler Action.Handler.

Prototype

Action.Handler

Source Link

Usage

From source file:com.garyclayburg.vconsole.VConsole.java

License:Open Source License

private Table createUserTable(BeanContainer<String, User> userBeanContainer) {
    final Collection[] selectedRows = new Collection[1];
    final Table userTable = new Table();
    userTable.setSizeFull();/* w  w w  . ja  v  a 2  s  .  co  m*/
    userTable.setSelectable(true);
    userTable.setMultiSelect(false);
    userTable.setImmediate(true);
    userTable.setContainerDataSource(userBeanContainer);
    userTable.addItemClickListener(new ItemClickEvent.ItemClickListener() {
        @Override
        public void itemClick(ItemClickEvent event) {
            Collection<?> itemPropertyIds = event.getItem().getItemPropertyIds();
            log.info("properties clicked: " + itemPropertyIds);
            log.info("multiple select? " + selectedRows[0]);
        }
    });
    userTable.addValueChangeListener(new Property.ValueChangeListener() {
        @Override
        public void valueChange(Property.ValueChangeEvent event) {
            //                selectedRows[0] = (Collection) userTable.getValue();
            log.info("selected: " + userTable.getValue());
        }
    });

    userTable.addActionHandler(new Action.Handler() {
        @Override
        public Action[] getActions(Object target, Object sender) {
            Table selectedUserTable = (Table) sender;
            Item item = selectedUserTable.getItem(selectedUserTable.getValue());
            Action[] actions = new Action[0];
            if (item instanceof BeanItem) {
                log.debug("create right-click menu items");
                //                    if (target == null){ //create actions for item user clicked on
                Item targetItem = selectedUserTable.getItem(target);
                if (targetItem != null) {
                    User targetUser = (User) ((BeanItem) targetItem).getBean();

                    if (targetUser != null) {
                        Set<String> allEntitledTargets = attributeService.getEntitledTargets(targetUser);
                        Set<Action> entitledTargetActions = new HashSet<>();

                        for (String targetName : allEntitledTargets) {
                            final Action action = new Action(targetName);
                            entitledTargetActions.add(action);
                        }
                        actions = entitledTargetActions.toArray(new Action[entitledTargetActions.size()]);
                        log.debug("right-click actions for user {}: {}", target, entitledTargetActions);
                    }
                }
            } else {
                log.debug("Cannot create right-click menu items");
            }

            return actions;
        }

        @Override
        public void handleAction(Action action, Object sender, Object target) {
            if (action != null) {
                Table selectedUserTable = (Table) sender;
                selectedUserTable.getValue();
                Item item = selectedUserTable.getItem(selectedUserTable.getValue());

                if (item instanceof BeanItem) {
                    log.debug("create target window");
                    User user = (User) ((BeanItem) item).getBean();
                    targetWindows.showTargetWindow(user, action.getCaption());
                } else {
                    log.debug("Cannot create window");
                }
            } else {
                Window multiWindow = new Window("multi-user myAD attributes");
                UI.getCurrent().addWindow(multiWindow);
                Label stuff = new Label("2 users here " + selectedRows[0] + " ");
                multiWindow.setContent(stuff);
            }
        }
    });
    userTable.setVisibleColumns("firstname", "lastname");
    return userTable;
}

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