Package com.vaadin.data

Examples of com.vaadin.data.Item$Viewer

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        container.addContainerProperty(TEXT_PROPERTY_ID, String.class, "");
        container.addContainerProperty(WIDGET_PROPERTY_ID, Component.class,
                null);

        for (int i = 0; i < 5; i++) {
            Item item = container.addItem("item " + i);
            item.getItemProperty(TEXT_PROPERTY_ID).setValue("Text " + i);
            Button b = new Button("Button " + i);
            if (description) {
                b.setDescription("Button " + i + " description");
            }
            item.getItemProperty(WIDGET_PROPERTY_ID).setValue(b);
        }

        return container;
    }
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        }

        public void loadTable(int itemNumber) {
            table.removeAllItems();
            for (int j = 0; j < itemNumber; j++) {
                Item rowItem = table.addItem(j);
                if (rowItem != null) {
                    for (int i = 0; i < columns.length; i++) {
                        rowItem.getItemProperty(columns[i]).setValue(
                                "Value" + j);
                    }
                }
            }
        }
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     */
    @Override
    public Item addItem(Object itemId) {
        disableContentsChangeEvents();
        try {
            final Item item = super.addItem(itemId);
            if (item == null) {
                return null;
            }

            roots.add(itemId);
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     * @see com.vaadin.data.util.ItemSorter#compare(java.lang.Object,
     * java.lang.Object)
     */
    @Override
    public int compare(Object o1, Object o2) {
        Item item1 = container.getItem(o1);
        Item item2 = container.getItem(o2);

        /*
         * Items can be null if the container is filtered. Null is considered
         * "less" than not-null.
         */
 
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        Table t = new Table("This is a table");
        t.addContainerProperty(P1, Component.class, null);
        t.addContainerProperty(P2, Component.class, null);
        t.setColumnHeaders(new String[] { "Col1", "Col2" });

        Item i = t.addItem("1");
        i.getItemProperty(P1).setValue(new TextField("abc"));
        i.getItemProperty(P2).setValue(new Label("label"));
        Item i2 = t.addItem("2");
        i2.getItemProperty(P1).setValue(new Button("def"));
        i2.getItemProperty(P2).setValue(new DateField());

        layout.addComponent(t);
    }
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        // Case #2 Try to comment the following line for another type of strange
        // behaviour
        container2.addContainerProperty("text", Component.class, null);

        for (int i = 0; i < 100; i++) {
            Item item = container1.addItem(i);
            item.getItemProperty("text").setValue(new Label("Test " + i));
        }

        table.setContainerDataSource(container1);

        // workaround for case #2
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        final Table table = new Table();
        table.setImmediate(true);
        table.addContainerProperty("p1", String.class, "p1");
        table.addContainerProperty("p2", String.class, "p2");
        for (int i = 0; i < 200; ++i) {
            final Item item = table.getItem(table.addItem());
            item.getItemProperty("p2").setValue(i + "");
            item.getItemProperty("p1").setValue(i + "");
        }
        table.addListener(new ItemClickListener() {
            @Override
            public void itemClick(ItemClickEvent event) {
                if (event.isDoubleClick()) {
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     * java.lang.Object)
     */

    @Override
    public Property getContainerProperty(Object itemId, Object propertyId) {
        Item item = getItem(itemId);
        if (item == null) {
            return null;
        }
        return item.getItemProperty(propertyId);
    }
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            }
        }

        if (autoCommit) {
            /* Remove and commit instantly. */
            Item i = getItem(itemId);
            if (i == null) {
                return false;
            }
            try {
                queryDelegate.beginTransaction();
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    @Override
    public Property<?> getContainerProperty(Object itemId, Object propertyId) {
        if (items.isEmpty()) {
            loadItems();
        }
        Item item = items.get(itemId);
        if (item != null) {
            return item.getItemProperty(propertyId);
        }
        return null;
    }
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