Examples of com.vaadin.data.util.ContainerHierarchicalWrapper

com.vaadin.data.util.ContainerHierarchicalWrapper

A wrapper class for adding external hierarchy to containers not implementing the {@link com.vaadin.data.Container.Hierarchical} interface.

If the wrapped container is changed directly (that is, not through the wrapper), and does not implement Container.ItemSetChangeNotifier and/or Container.PropertySetChangeNotifier the hierarchy information must be updated with the {@link #updateHierarchicalWrapper()} method.
@author Vaadin Ltd. @since 3.0

        // FIXME: This disables partial updates until TreeTable is fixed so it
        // does not change component hierarchy during paint
        containerSupportsPartialUpdates = (newDataSource instanceof ItemSetChangeNotifier) && false;


        if (newDataSource != null && !(newDataSource instanceof Hierarchical)) {
            newDataSource = new ContainerHierarchicalWrapper(newDataSource);
        }


        if (newDataSource != null && !(newDataSource instanceof Ordered)) {
            newDataSource = new HierarchicalContainerOrderedWrapper(
                    (Hierarchical) newDataSource);

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    }


    private Container createContainer(int items,
            Map<String, Integer> hasChildren) {
        ContainerHierarchicalWrapper container;


        container = new ContainerHierarchicalWrapper(testBeanContainer);
        populate(container, items, hasChildren);
        return container;
    }

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            private Action[] actions = new Action[] { new Action("Remove") };


            @Override
            public void handleAction(Action action, Object sender, Object target) {
                ContainerHierarchicalWrapper containerDataSource = (ContainerHierarchicalWrapper) tree1
                        .getContainerDataSource();
                containerDataSource.removeItemRecursively(target);
            }


            @Override
            public Action[] getActions(Object target, Object sender) {
                return actions;

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    @Override
    public void setContainerDataSource(Container newDataSource) {
        cStrategy = null;
        if (!(newDataSource instanceof Hierarchical)) {
            newDataSource = new ContainerHierarchicalWrapper(newDataSource);
        }


        if (!(newDataSource instanceof Ordered)) {
            newDataSource = new HierarchicalContainerOrderedWrapper(
                    (Hierarchical) newDataSource);

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    @Override
    public void setContainerDataSource(Container newDataSource) {
        if (newDataSource == null) {
            // Note: using wrapped IndexedContainer to match constructor (super
            // creates an IndexedContainer, which is then wrapped).
            newDataSource = new ContainerHierarchicalWrapper(
                    new IndexedContainer());
        }


        // Assure that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (Container.Hierarchical.class.isAssignableFrom(newDataSource
                .getClass())) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerHierarchicalWrapper(
                    newDataSource));
        }
    }

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    @Override
    public void setContainerDataSource(Container newDataSource) {
        if (newDataSource == null) {
            // Note: using wrapped IndexedContainer to match constructor (super
            // creates an IndexedContainer, which is then wrapped).
            newDataSource = new ContainerHierarchicalWrapper(
                    new IndexedContainer());
        }


        // Assure that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (Container.Hierarchical.class.isAssignableFrom(newDataSource
                .getClass())) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerHierarchicalWrapper(
                    newDataSource));
        }
    }

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        // containers ordered by wrapping them
        if (Container.Hierarchical.class.isAssignableFrom(newDataSource
                .getClass())) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerHierarchicalWrapper(
                    newDataSource));
        }


        /*
         * Ensure previous expanded items are cleaned up if they don't exist in

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    @Override
    public void setContainerDataSource(Container newDataSource) {
        if (newDataSource == null) {
            // Note: using wrapped IndexedContainer to match constructor (super
            // creates an IndexedContainer, which is then wrapped).
            newDataSource = new ContainerHierarchicalWrapper(
                    new IndexedContainer());
        }


        // Assure that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (Container.Hierarchical.class.isAssignableFrom(newDataSource
                .getClass())) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerHierarchicalWrapper(
                    newDataSource));
        }
    }

View Full Code Here

        cStrategy = null;


        containerSupportsPartialUpdates = (newDataSource instanceof ItemSetChangeNotifier);


        if (!(newDataSource instanceof Hierarchical)) {
            newDataSource = new ContainerHierarchicalWrapper(newDataSource);
        }


        if (!(newDataSource instanceof Ordered)) {
            newDataSource = new HierarchicalContainerOrderedWrapper(
                    (Hierarchical) newDataSource);

View Full Code Here

    @Override
    public void setContainerDataSource(Container newDataSource) {
        if (newDataSource == null) {
            // Note: using wrapped IndexedContainer to match constructor (super
            // creates an IndexedContainer, which is then wrapped).
            newDataSource = new ContainerHierarchicalWrapper(
                    new IndexedContainer());
        }


        // Assure that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (Container.Hierarchical.class.isAssignableFrom(newDataSource
                .getClass())) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerHierarchicalWrapper(
                    newDataSource));
        }
    }

View Full Code Here

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