Package com.vaadin.data

Examples of com.vaadin.data.Item

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        IndexedContainer idx = new IndexedContainer();
        idx.addContainerProperty("firstname", String.class, null);
        idx.addContainerProperty("lastname", String.class, null);

        Item i = idx.addItem(1);
        i.getItemProperty("firstname").setValue("John");
        i.getItemProperty("lastname").setValue("Johnson");

        i = idx.addItem(2);
        i.getItemProperty("firstname").setValue("Jane");
        i.getItemProperty("lastname").setValue("Janeine");

        for (int index = 3; index < ROWS; index++) {
            i = idx.addItem(index);
            i.getItemProperty("firstname").setValue("Jane");
            i.getItemProperty("lastname").setValue("Janeine");
        }

        idx.addContainerProperty("150pxfixedCol", String.class, "foobar");

        table.setContainerDataSource(idx);
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        for (int i = 0; i < COLS; i++) {
            t.addContainerProperty("COLUMN_" + i, String.class, "");
        }
        for (int row = 0; row < ROWS; row++) {
            Item i = t.addItem(String.valueOf(row));
            for (int col = 0; col < COLS; col++) {
                Property<String> p = i.getItemProperty("COLUMN_" + col);
                p.setValue("item " + row + "/" + col);
            }
        }
        t.setFooterVisible(true);
        t.setSizeFull();
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     * @throws UnsupportedOperationException
     *             if the addItem is not supported.
     */
    @Override
    public Item addItem(Object itemId) throws UnsupportedOperationException {
        final Item item = container.addItem(itemId);
        if (!ordered && item != null) {
            addToOrderWrapper(itemId);
        }
        return item;
    }
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        if (previousItemId != null && !containsId(previousItemId)) {
            return null;
        }

        // Adds the item to container
        final Item item = container.addItem(newItemId);

        // Puts the new item to its correct place
        if (!ordered && item != null) {
            addToOrderWrapper(newItemId, previousItemId);
        }
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        ic.addContainerProperty("License number", Integer.class, "");
        ic.addContainerProperty("First", String.class, "");
        ic.addContainerProperty("Last", String.class, "");

        for (int i = 0; i < items; i++) {
            Item item = ic.addItem("" + i);
            item.getItemProperty("License number").setValue(i);
            item.getItemProperty("First").setValue("First " + i);
            item.getItemProperty("Last").setValue("Last " + i);
        }

        return ic;
    }
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        // Null ids are not accepted
        if (itemId == null) {
            throw new NullPointerException("Container item id can not be null");
        }

        final Item item = container.addItem(itemId);
        if (!hierarchical && item != null) {
            addToHierarchyWrapper(itemId);
        }
        return item;
    }
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        BeanContainer<String, String> container = new BeanContainer<String, String>(
                String.class);

        String id = "test1";

        Item item = container.addItem(id, "value");
        assertNotNull(item);

        assertEquals(id, container.firstItemId());
        assertEquals(id, container.lastItemId());

        // isFirstId
        assertTrue(container.isFirstId(id));
        assertTrue(container.isFirstId(container.firstItemId()));
        // isLastId
        assertTrue(container.isLastId(id));
        assertTrue(container.isLastId(container.lastItemId()));

        // Add a new item before the first
        // addItemAfter
        String newFirstId = "newFirst";
        item = container.addItemAfter(null, newFirstId, "newFirstValue");
        assertNotNull(item);
        assertNotNull(container.getItem(newFirstId));

        // isFirstId
        assertTrue(container.isFirstId(newFirstId));
        assertTrue(container.isFirstId(container.firstItemId()));
        // isLastId
        assertTrue(container.isLastId(id));
        assertTrue(container.isLastId(container.lastItemId()));

        // nextItemId
        assertEquals(id, container.nextItemId(newFirstId));
        assertNull(container.nextItemId(id));
        assertNull(container.nextItemId("not-in-container"));

        // prevItemId
        assertEquals(newFirstId, container.prevItemId(id));
        assertNull(container.prevItemId(newFirstId));
        assertNull(container.prevItemId("not-in-container"));

        // addItemAfter(IDTYPE, IDTYPE, BT)
        String newSecondItemId = "newSecond";
        item = container.addItemAfter(newFirstId, newSecondItemId,
                "newSecondValue");
        // order is now: newFirstId, newSecondItemId, id
        assertNotNull(item);
        assertNotNull(container.getItem(newSecondItemId));
        assertEquals(id, container.nextItemId(newSecondItemId));
        assertEquals(newFirstId, container.prevItemId(newSecondItemId));

        // addItemAfter(IDTYPE, IDTYPE, BT)
        String fourthId = "id of the fourth item";
        Item fourth = container.addItemAfter(newFirstId, fourthId,
                "fourthValue");
        // order is now: newFirstId, fourthId, newSecondItemId, id
        assertNotNull(fourth);
        assertEquals(fourth, container.getItem(fourthId));
        assertEquals(newSecondItemId, container.nextItemId(fourthId));
        assertEquals(newFirstId, container.prevItemId(fourthId));

        // addItemAfter(IDTYPE, IDTYPE, BT)
        String fifthId = "fifth";
        Item fifth = container.addItemAfter(null, fifthId, "fifthValue");
        // order is now: fifthId, newFirstId, fourthId, newSecondItemId, id
        assertNotNull(fifth);
        assertEquals(fifth, container.getItem(fifthId));
        assertEquals(newFirstId, container.nextItemId(fifthId));
        assertNull(container.prevItemId(fifthId));
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     * Handle tree expand event, populate expanded node's childs with new files
     * and directories.
     */
    @Override
    public void nodeExpand(ExpandEvent event) {
        final Item i = tree.getItem(event.getItemId());
        if (!tree.hasChildren(i)) {
            // populate tree's node which was expanded
            populateNode(event.getItemId().toString(), event.getItemId());
        }
    }
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        }
        if (naviTree.containsId(cls)) {
            return;
        }

        Item i = naviTree.addItem(cls);
        i.getItemProperty(CAPTION).setValue(name);
        naviTree.setParent(cls, superClass);
    }
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    public void populateSelect() {
        final String[] names = new String[] { "John", "Mary", "Joe", "Sarah",
                "Jeff", "Jane", "Peter", "Marc", "Josie", "Linus" };
        for (int j = 0; j < 4; j++) {
            Integer id = new Integer(sequence++);
            Item item = select.addItem(id);
            item.getItemProperty("CAPTION").setValue(
                    id.toString() + ": "
                            + names[random.nextInt() % names.length]);
        }
    }
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