Package com.vaadin.ui

Examples of com.vaadin.ui.Tree.addValidator()

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    private Tree getTree() {
        Tree tree = new Tree();
        tree.setSizeFull();
        tree.setContainerDataSource(generateHierarchicalContainer());
        tree.setImmediate(true);
        tree.addValidator(new AlwaysFailValidator("failed"));
        return tree;
    }

    private Container generateHierarchicalContainer() {
        HierarchicalContainer cont = new HierarchicalContainer();
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    @Override
    protected void setup() {
        Tree tree = new Tree();
        tree.setContainerDataSource(generateHierarchicalContainer());
        tree.setImmediate(true);
        tree.addValidator(new AlwaysFailValidator("failed"));
        addComponent(tree);
    }

    private Container generateHierarchicalContainer() {
        HierarchicalContainer cont = new HierarchicalContainer();
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