Examples of com.vaadin.data.util.ContainerOrderedWrapper

com.vaadin.data.util.ContainerOrderedWrapper

A wrapper class for adding external ordering to containers not implementing the {@link com.vaadin.data.Container.Ordered} 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 #updateOrderWrapper()} method.
@author Vaadin Ltd. @since 3.0

        // Assures that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (newDataSource instanceof Container.Ordered) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerOrderedWrapper(
                    newDataSource));
        }


        // Resets page position
        currentPageFirstItemId = null;

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        // Assures that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (newDataSource instanceof Container.Ordered) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerOrderedWrapper(
                    newDataSource));
        }


        // Resets page position
        currentPageFirstItemId = null;

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        // Assures that the data source is ordered by making unordered
        // containers ordered by wrapping them
        if (newDataSource instanceof Container.Ordered) {
            super.setContainerDataSource(newDataSource);
        } else {
            super.setContainerDataSource(new ContainerOrderedWrapper(
                    newDataSource));
        }


        // Resets page position
        currentPageFirstItemId = null;

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