Examples of com.vaadin.data.util.ContainerHierarchicalWrapper$PiggybackListener

com.vaadin.data.util.ContainerHierarchicalWrapper
This listener 'piggybacks' on the real listener in order to update the wrapper when needed. It proxies equals() and hashCode() to the real listener so that the correct listener gets removed.

        // 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));
        }
    }

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