Package de.arago.portlet.util

Examples of de.arago.portlet.util.Paginator.go()


        Paginator pager = new Paginator(items.size(), 3);

        assertEquals(1, pager.firstPage());
        assertEquals(5, pager.lastPage());

        pager.go(1);
        assertEquals(1, pager.getCurrentPage());
        assertEquals(page1, pager.slice(items));

        pager.go(2);
        assertEquals(2, pager.getCurrentPage());
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        pager.go(1);
        assertEquals(1, pager.getCurrentPage());
        assertEquals(page1, pager.slice(items));

        pager.go(2);
        assertEquals(2, pager.getCurrentPage());
        assertEquals(page2, pager.slice(items));

        pager.go(3);
        assertEquals(3, pager.getCurrentPage());
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        pager.go(2);
        assertEquals(2, pager.getCurrentPage());
        assertEquals(page2, pager.slice(items));

        pager.go(3);
        assertEquals(3, pager.getCurrentPage());
        assertEquals(page3, pager.slice(items));

        pager.go(4);
        assertEquals(4, pager.getCurrentPage());
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        pager.go(3);
        assertEquals(3, pager.getCurrentPage());
        assertEquals(page3, pager.slice(items));

        pager.go(4);
        assertEquals(4, pager.getCurrentPage());
        assertEquals(page4, pager.slice(items));

        pager.go(5);
        assertEquals(5, pager.getCurrentPage());
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        pager.go(4);
        assertEquals(4, pager.getCurrentPage());
        assertEquals(page4, pager.slice(items));

        pager.go(5);
        assertEquals(5, pager.getCurrentPage());
        assertEquals(page5, pager.slice(items));

        // pager may not overrun boundaries
        pager.go(6);
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        pager.go(5);
        assertEquals(5, pager.getCurrentPage());
        assertEquals(page5, pager.slice(items));

        // pager may not overrun boundaries
        pager.go(6);
        assertEquals(5, pager.getCurrentPage());
        assertEquals(page5, pager.slice(items));

    }
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    public void testSmallerThanItemsPerPageBug() {
        List<Object> items = Arrays.asList(new Object[] {1, 2, 3, 4});

        Paginator pager = new Paginator(items.size(), 20);

        pager.go(2);
        assertEquals(1, pager.firstPage());
        assertEquals(1, pager.lastPage());

        assertEquals(items, pager.slice(items));
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    }

    public void testNullList() {
        Paginator pager = new Paginator(4, 4);

        pager.go(2);
        assertEquals(1, pager.firstPage());
        assertEquals(1, pager.lastPage());

        assertEquals(Collections.EMPTY_LIST, pager.slice(null));
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