Example usage for org.eclipse.jface.viewers ViewerSorter sort

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ViewerSorter sort.

Prototype

public void sort(final Viewer viewer, Object[] elements) 

Source Link

Document

Sorts the given elements in-place, modifying the given array.

Usage

From source file:org.eclipse.debug.internal.ui.viewers.AsynchronousModel.java

License:Open Source License

/**
 * Notification from children request monitor
 * //  w w  w  . j  a  v  a2  s . co m
 * @param parentNode parent node
 * @param kids list of model elements
 */
protected void setChildren(final ModelNode parentNode, List kids) {

    final Object[] children = filter(parentNode.getElement(), kids.toArray());
    final AsynchronousViewer viewer = getViewer();
    ViewerSorter sorter = viewer.getSorter();
    if (sorter != null) {
        sorter.sort(viewer, children);
    }

    ModelNode[] prevKids = null;
    ModelNode[] newChildren = null;
    ModelNode[] unmap = null;

    synchronized (this) {
        if (isDisposed()) {
            return;
        }
        prevKids = parentNode.getChildrenNodes();
        if (prevKids == null) {
            newChildren = new ModelNode[children.length];
            for (int i = 0; i < children.length; i++) {
                ModelNode node = new ModelNode(parentNode, children[i]);
                mapElement(children[i], node);
                newChildren[i] = node;
            }
            parentNode.setChildren(newChildren);
        } else {
            newChildren = new ModelNode[children.length];
            unmap = new ModelNode[prevKids.length];
            for (int i = 0; i < prevKids.length; i++) {
                unmap[i] = prevKids[i];
            }
            for (int i = 0; i < children.length; i++) {
                Object child = children[i];
                boolean found = false;
                for (int j = 0; j < prevKids.length; j++) {
                    ModelNode prevKid = prevKids[j];
                    if (prevKid != null && child.equals(prevKid.getElement())) {
                        newChildren[i] = prevKid;
                        prevKids[j] = null;
                        found = true;
                        break;
                    }
                }
                if (!found) {
                    newChildren[i] = new ModelNode(parentNode, child);
                    mapElement(child, newChildren[i]);
                }
            }
            for (int i = 0; i < prevKids.length; i++) {
                ModelNode kid = prevKids[i];
                if (kid != null) {
                    kid.dispose();
                    unmapNode(kid);
                }
            }
            parentNode.setChildren(newChildren);
        }
        if (DEBUG_MODEL) {
            DebugUIPlugin.debug("CHILDREN CHANGED: " + parentNode); //$NON-NLS-1$
            DebugUIPlugin.debug(toString());
        }
    }

    //update viewer outside the lock
    final ModelNode[] finalUnmap = unmap;
    preservingSelection(new Runnable() {
        public void run() {
            if (finalUnmap != null) {
                for (int i = 0; i < finalUnmap.length; i++) {
                    viewer.unmapNode(finalUnmap[i]);
                }
            }
            viewer.nodeChildrenChanged(parentNode);
        }
    });

}

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From source file:org.eclipse.jface.tests.performance.RefreshTestContentProvider.java

License:Open Source License

void preSortElements(Viewer viewer, ViewerSorter sorter) {
    sorter.sort(viewer, currentElements);

}

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From source file:org.eclipse.jubula.client.ui.utils.TreeViewerIterator.java

License:Open Source License

/**
 * Creates the linear list of tree elements, including the root.
 * /*from w  w w.j ava  2  s .c  om*/
 * @param root The root of the tree or sub-tree.
 */
private void setElements(Object root) {
    if (root == null) {
        return;
    }
    Object[] children = ((ITreeContentProvider) m_viewer.getContentProvider()).getChildren(root);
    // Filter the same elements as in GUI
    for (ViewerFilter vf : m_viewer.getFilters()) {
        children = vf.filter(m_viewer, root, children);
    }
    // Sort elements like sorted in GUI to obtain correct traversal order
    ViewerSorter sorter = m_viewer.getSorter();
    if (sorter != null) {
        sorter.sort(m_viewer, children);
    }
    for (Object node : children) {
        if (node != null) {
            m_elements.add(node);
        }
        setElements(node);
    }
}

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From source file:org.eclipse.team.tests.ccvs.ui.PatchTreeTest.java

License:Open Source License

public void testChangeSetModelSorter() throws CoreException {
    MyTreeViewer tree = new MyTreeViewer();
    tree.init();/*from ww w . j a  va  2  s  . c om*/
    ViewerSorter sorter = tree.getSorter();

    UnchangedResourceModelElement elementZ = new UnchangedResourceModelElement(null, getUniqueTestProject("z"));
    ChangeSetDiffNode nodeA = new ChangeSetDiffNode(null, new CVSActiveChangeSet(null, "a"));
    ChangeSetDiffNode nodeB = new ChangeSetDiffNode(null, new CVSActiveChangeSet(null, "b"));
    ChangeSetDiffNode nodeC = new ChangeSetDiffNode(null, new CVSActiveChangeSet(null, "c"));
    Object[] elements = { nodeB, nodeC, elementZ, nodeA };

    sorter.sort(tree, elements);

    assertEquals(nodeA, elements[0]);
    assertEquals(nodeB, elements[1]);
    assertEquals(nodeC, elements[2]);
    assertEquals(elementZ, elements[3]);
}

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