Examples of com.vaadin.data.Container$Indexed

com.vaadin.data.Container
Interface for Container classes whose {@link Item}s can be accessed by their position in the container.
If the container is filtered or sorted, all indices refer to the filtered and sorted view. However, the addItemAt() methods may add items that will be filtered out after addition or moved to another position based on sorting.

     */


    @Override
    public void sort(Object[] propertyId, boolean[] ascending)
            throws UnsupportedOperationException {
        final Container c = getContainerDataSource();
        if (c instanceof Container.Sortable) {
            final int pageIndex = getCurrentPageFirstItemIndex();
            boolean refreshingPreviouslyEnabled = disableContentRefreshing();
            ((Container.Sortable) c).sort(propertyId, ascending);
            setCurrentPageFirstItemIndex(pageIndex);

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     * @see com.vaadin.data.Container.Sortable#getSortableContainerPropertyIds()
     */


    @Override
    public Collection<?> getSortableContainerPropertyIds() {
        final Container c = getContainerDataSource();
        if (c instanceof Container.Sortable && isSortEnabled()) {
            return ((Container.Sortable) c).getSortableContainerPropertyIds();
        } else {
            return Collections.EMPTY_LIST;
        }

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        Button b = new Button("Truncate to 20 rows");
        b.addListener(new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {


                Container containerDataSource = t.getContainerDataSource();
                Object[] itemIds = containerDataSource.getItemIds().toArray();
                @SuppressWarnings("unused")
                int c = 0;
                for (int i = 0; i < itemIds.length; i++) {
                    if (i > 19) {
                        containerDataSource.removeItem(itemIds[i]);
                    }
                }
            }
        });

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                    new_name.setContainerDataSource(TestForTablesInitialColumnWidthLogicRendering
                            .getTestTable(5, 100).getContainerDataSource());


                } else {
                    AbstractSelect new_name = (AbstractSelect) c;
                    Container cont = TestForTablesInitialColumnWidthLogicRendering
                            .getTestTable(2, 8).getContainerDataSource();
                    new_name.setContainerDataSource(cont);
                    new_name.setItemCaptionPropertyId(cont
                            .getContainerPropertyIds().iterator().next());


                }
            } else if (c instanceof ComponentContainer) {
                ComponentContainer new_name = (ComponentContainer) c;

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                            (InventoryObject) sourceItemId);
                }


                // Remove the item from the source container and
                // add it to the tree's container
                Container sourceContainer = t.getSourceContainer();
                sourceContainer.removeItem(sourceItemId);
                tree.addItem(beanItem);
                InventoryObject bean = (InventoryObject) beanItem.getBean();
                tree.setChildrenAllowed(beanItem, bean.isContainer());


                // Drop right on an item -> make it a child

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                 * DataBoundTransferrable
                 */
                DataBoundTransferable tr = (DataBoundTransferable) event
                        .getTransferable();
                Object itemId = tr.getItemId();
                Container sourceContainer = tr.getSourceContainer();
                if (tr.getSourceComponent() != tree1) {
                    // if the source is from table (not from tree1 itself),
                    // transfer Name property and use it as an identifier in
                    // tree1
                    Object nameValue = sourceContainer.getItem(itemId)
                            .getItemProperty("Name").getValue();
                    String name = (null != nameValue) ? nameValue.toString()
                            : null;


                    tree1.addItem(name);
                    tree1.setChildrenAllowed(name, false);


                    /*
                     * Remove the item from table
                     */
                    sourceContainer.removeItem(itemId);


                    itemId = name;


                }

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        table.setImmediate(true);
        table.setMultiSelect(true);
        table.setSizeFull();
        table.setSelectable(true);


        Container ds = new IndexedContainer();
        ds.addContainerProperty("column", Integer.class, null);
        for (int i = 0; i < 500; i++) {
            Item item = ds.addItem(i);
            item.getItemProperty("column").setValue(i);
        }
        table.setContainerDataSource(ds);


        return table;

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        layout.setMargin(true);
        setContent(layout);
        SlowComboBox comboBox = new SlowComboBox();
        comboBox.setNullSelectionAllowed(false);
        comboBox.setImmediate(true);
        Container container = createContainer();
        comboBox.setContainerDataSource(container);
        comboBox.setNewItemsAllowed(true);
        comboBox.setFilteringMode(FilteringMode.CONTAINS);
        layout.addComponent(comboBox);
        layout.addComponent(new TextField());

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            @Override
            public void drop(DragAndDropEvent dropEvent) {
                // criteria verify that this is safe
                DataBoundTransferable t = (DataBoundTransferable) dropEvent
                        .getTransferable();
                Container sourceContainer = t.getSourceContainer();
                Object sourceItemId = t.getItemId();
                System.out.println(sourceItemId);


                AbstractSelectTargetDetails dropData = ((AbstractSelectTargetDetails) dropEvent
                        .getTargetDetails());
                Object targetItemId = dropData.getItemIdOver();


                // move item from table to category'
                tree.addItem(sourceItemId);
                tree.setParent(sourceItemId, targetItemId);
                tree.setChildrenAllowed(sourceItemId, false);
                sourceContainer.removeItem(sourceItemId);


            }
        });


        tree.addItem("Item 1");

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        addComponent(row);


        Tree tree = new Tree();
        tree.setSelectable(true);
        tree.setMultiSelect(true);
        Container generateContainer = ValoThemeUI.generateContainer(10, true);
        tree.setContainerDataSource(generateContainer);
        tree.setDragMode(TreeDragMode.NODE);
        row.addComponent(tree);
        tree.setItemCaptionPropertyId(ValoThemeUI.CAPTION_PROPERTY);
        tree.setItemIconPropertyId(ValoThemeUI.ICON_PROPERTY);
        tree.expandItem(generateContainer.getItemIds().iterator().next());


        tree.setDropHandler(new DropHandler() {
            @Override
            public AcceptCriterion getAcceptCriterion() {
                return AcceptAll.get();

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