Example usage for org.eclipse.jface.viewers ViewerComparator compare

List of usage examples for org.eclipse.jface.viewers ViewerComparator compare

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ViewerComparator compare.

Prototype

public int compare(Viewer viewer, Object e1, Object e2)

Source Link

Document

Returns a negative, zero, or positive number depending on whether the first element is less than, equal to, or greater than the second element.

Usage

From source file:gov.nasa.ensemble.common.ui.treetable.TreeTableViewer.java

License:Open Source License

/**
 * Update the element.  If it is necessary to refresh the entire tree,
 * "true" will be returned.  Otherwise false will be returned.
 * //from   w  ww. j av  a  2  s  .  co m
 * @param element
 * @param selectedTreeItems
 * @param treeChildren
 * @return whether the whole tree was refreshed or not
 */
private boolean handleObjectUpdated(O element, List<TreeItem> selectedTreeItems, Item[] treeChildren) {
    Widget widget = findItem(element);
    if (element == getInput()) {
        refresh();
        return true;
    }
    if (widget instanceof TreeItem) {
        TreeItem item = (TreeItem) widget;
        TreeItem parentItem = item.getParentItem();
        boolean outOfOrder = false;
        ViewerComparator comparator = getComparator();
        if (comparator != null) {
            Item[] siblings = (parentItem != null ? getChildren(parentItem) : treeChildren);
            int currentIndex = -1;
            for (Item child : siblings) {
                currentIndex++;
                if (child.getData() == element) {
                    break;
                }
            }
            if (currentIndex - 1 >= 0) {
                Item predecessor = siblings[currentIndex - 1];
                if (comparator.compare(this, predecessor.getData(), item.getData()) > 0) {
                    outOfOrder = true;
                }
            }
            if (currentIndex + 1 < siblings.length) {
                Item successor = siblings[currentIndex + 1];
                if (comparator.compare(this, successor.getData(), item.getData()) < 0) {
                    outOfOrder = true;
                }
            }
        }
        if (outOfOrder) {
            if (parentItem != null) {
                refresh(parentItem.getData());
            } else {
                refresh();
                return true;
            }
        } else {
            updateTreeItemPresentation(item, selectedTreeItems);
        }
    }
    return false;
}

From source file:org.eclipse.linuxtools.tmf.ui.tests.statistics.TmfBaseColumnDataProviderTest.java

License:Open Source License

public void testGetColumnData() {
    Vector<TmfBaseColumnData> columnsData = provider.getColumnData();
    assertNotNull("getColumnData", columnsData);
    assertEquals("getColumnData", 2, columnsData.size());

    TmfStatisticsTreeNode parentNode = fStatsData.get(new TmfFixedArray<String>(fTestName));
    TmfStatisticsTreeNode treeNode1 = fStatsData.get(new TmfFixedArray<String>(fTestName,
            Messages.TmfStatisticsData_EventTypes, fEvent1.getType().toString()));
    TmfStatisticsTreeNode treeNode2 = fStatsData.get(new TmfFixedArray<String>(fTestName,
            Messages.TmfStatisticsData_EventTypes, fEvent3.getType().toString()));
    ViewerComparator vComp = null;
    for (TmfBaseColumnData columnData : columnsData) {
        assertNotNull("getColumnData", columnData);
        assertNotNull("getColumnData", columnData.getHeader());
        assertNotNull("getColumnData", columnData.getTooltip());

        // Testing labelProvider
        ColumnLabelProvider labelProvider = columnData.getLabelProvider();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertEquals("getColumnData", 0, labelProvider.getText(treeNode1).compareTo(treeNode1.getKey()));
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            assertEquals("getColumnData", 0, labelProvider.getText(treeNode1).compareTo(Long.toString(2)));
        }/*from www  . j av a 2s.c  om*/

        // Testing comparator
        vComp = columnData.getComparator();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode2) < 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode2, treeNode1) > 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode1) == 0);
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode2) > 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode2, treeNode1) < 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode1) == 0);
        }

        // Testing percentage provider
        ITmfColumnPercentageProvider percentProvider = columnData.getPercentageProvider();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertNull("getColumnData", percentProvider);
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            double percentage = (double) treeNode1.getValue().nbEvents / parentNode.getValue().nbEvents;
            assertEquals("getColumnData", (double) percentage,
                    (double) percentProvider.getPercentage(treeNode1));
        }
    }
}

From source file:org.eclipse.tracecompass.tmf.ui.tests.statistics.TmfBaseColumnDataProviderTest.java

License:Open Source License

/**
 * Method with test cases.//from  ww  w . j av a  2  s .  c  o m
 */
@Test
public void testGetColumnData() {
    List<TmfBaseColumnData> columnsData = provider.getColumnData();
    assertNotNull("getColumnData", columnsData);
    assertEquals("getColumnData", 4, columnsData.size());

    TmfStatisticsTreeNode parentNode = fStatsData.getNode(fTestName);
    TmfStatisticsTreeNode treeNode1 = fStatsData.getNode(fTestName, Messages.TmfStatisticsData_EventTypes,
            fEvent1.getName());
    TmfStatisticsTreeNode treeNode2 = fStatsData.getNode(fTestName, Messages.TmfStatisticsData_EventTypes,
            fEvent3.getName());
    ViewerComparator vComp = null;
    for (TmfBaseColumnData columnData : columnsData) {
        assertNotNull("getColumnData", columnData);
        assertNotNull("getColumnData", columnData.getHeader());
        assertNotNull("getColumnData", columnData.getTooltip());

        // Testing labelProvider
        ColumnLabelProvider labelProvider = columnData.getLabelProvider();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertEquals("getColumnData", 0, labelProvider.getText(treeNode1).compareTo(treeNode1.getName()));
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            // might not work because of machine local number format
            assertEquals("getColumnData", "1", labelProvider.getText(treeNode1));
        }

        // Testing comparator
        vComp = columnData.getComparator();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode2) < 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode2, treeNode1) > 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode1) == 0);
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode2) == 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode2, treeNode1) == 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode1) == 0);
        }

        // Testing percentage provider
        ITmfColumnPercentageProvider percentProvider = columnData.getPercentageProvider();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertNull("getColumnData", percentProvider);
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            double percentage = (double) treeNode1.getValues().getTotal() / parentNode.getValues().getTotal();
            assertEquals("getColumnData", percentage, percentProvider.getPercentage(treeNode1), DELTA);
        }
    }
}

From source file:org.jboss.tools.openshift.test.ui.comparators.ProjectTreeSorterTest.java

License:Open Source License

@Test
public void testProjectsInTree() {
    final ViewerComparator comparator = ProjectViewerComparator.createProjectTreeSorter();
    ObservableTreeItem i1 = new ObservableTreeItem(mockProject("default", null));
    ObservableTreeItem i2 = new ObservableTreeItem(mockProject("openshift", null));
    ObservableTreeItem i3 = new ObservableTreeItem(mockProject("a", null));
    ObservableTreeItem i4 = new ObservableTreeItem(mockProject("d", null));
    ObservableTreeItem[] items = new ObservableTreeItem[] { i2, i4, i3, i1 };
    Arrays.sort(items, new Comparator<ObservableTreeItem>() {

        @Override/*  w  w w  .j  a  va  2s.  c om*/
        public int compare(ObservableTreeItem o1, ObservableTreeItem o2) {
            return comparator.compare(null, o1, o2);
        }

    });
    assertEquals(i1, items[0]);
    assertEquals(i2, items[1]);
    assertEquals(i3, items[2]);
    assertEquals(i4, items[3]);
}

From source file:org.jboss.tools.openshift.test.ui.comparators.ProjectTreeSorterTest.java

License:Open Source License

@Test
public void testProjectsWithLabelProvider() {
    final ViewerComparator comparator = new ProjectViewerComparator(new OpenShiftExplorerLabelProvider());
    IProject p1 = mockProject("default", "z");
    IProject p2 = mockProject("openshift", "y");
    IProject p3 = mockProject("a", "c");
    IProject p4 = mockProject("b2", null);
    IProject p5 = mockProject("d", "b");
    IProject[] projects = new IProject[] { p3, p5, p2, p1, p4 };
    Arrays.sort(projects, new Comparator<IProject>() {

        @Override//w  w w.  j  a v  a2 s.co  m
        public int compare(IProject o1, IProject o2) {
            return comparator.compare(null, o1, o2);
        }

    });
    assertEquals(p1, projects[0]);
    assertEquals(p2, projects[1]);
    assertEquals(p5, projects[2]);
    assertEquals(p4, projects[3]);
    assertEquals(p3, projects[4]);
}

From source file:org.jboss.tools.openshift.test.ui.comparators.ProjectTreeSorterTest.java

License:Open Source License

@Test
public void testServices() {
    ViewerComparator comparator = ProjectViewerComparator.createProjectTreeSorter();
    ObservableTreeItem i1 = new ObservableTreeItem(mockService("s1", "z"));
    ObservableTreeItem i2 = new ObservableTreeItem(mockService("s2", "a"));

    assertTrue(comparator.compare(null, i1, i2) < 0);
    assertTrue(comparator.compare(null, i2, i1) > 0);
    assertEquals(0, comparator.compare(null, i1, i1));
}

From source file:org.jboss.tools.openshift.test.ui.comparators.ProjectTreeSorterTest.java

License:Open Source License

@Test
public void testBuildConfigs() {
    ViewerComparator comparator = ProjectViewerComparator
            .createProjectTreeSorter(new OpenShiftExplorerLabelProvider());
    ObservableTreeItem i1 = new ObservableTreeItem(mockBuildConfig("n", "c1", "z"));
    ObservableTreeItem i2 = new ObservableTreeItem(mockBuildConfig("n", "c2", "x"));
    assertTrue(comparator.compare(null, i1, i2) < 0); //compared by source uri!
    assertTrue(comparator.compare(null, i2, i1) > 0);
    assertEquals(0, comparator.compare(null, i1, i1));
}

From source file:org.xmind.ui.viewers.CheckListViewer.java

License:Open Source License

/**
 * @param element// w ww  .jav a 2  s. c  o m
 *            the element to insert
 * @return the index where the item should be inserted.
 */
protected int indexForElement(Object element) {
    ViewerComparator comparator = getComparator();
    if (comparator == null) {
        return listGetItemCount();
    }
    int count = listGetItemCount();
    int min = 0, max = count - 1;
    while (min <= max) {
        int mid = (min + max) / 2;
        Object data = listMap.get(mid);
        int compare = comparator.compare(this, data, element);
        if (compare == 0) {
            // find first item > element
            while (compare == 0) {
                ++mid;
                if (mid >= count) {
                    break;
                }
                data = listMap.get(mid);
                compare = comparator.compare(this, data, element);
            }
            return mid;
        }
        if (compare < 0) {
            min = mid + 1;
        } else {
            max = mid - 1;
        }
    }
    return min;
}

From source file:org.xmind.ui.viewers.MComboViewer.java

License:Open Source License

protected int indexForElement(Object element) {
    ViewerComparator comparator = getComparator();
    if (comparator == null) {
        return elementList.indexOf(element);
    }//from ww w .j  av  a2  s .co  m
    int count = getItemCount();
    int min = 0, max = count - 1;
    while (min <= max) {
        int mid = (min + max) / 2;
        Object data = elementList.get(mid);
        int compare = comparator.compare(this, data, element);
        if (compare == 0) {
            // find first item > element
            while (compare == 0) {
                ++mid;
                if (mid >= count) {
                    break;
                }
                data = elementList.get(mid);
                compare = comparator.compare(this, data, element);
            }
            return mid;
        }
        if (compare < 0) {
            min = mid + 1;
        } else {
            max = mid - 1;
        }
    }
    return min;
}