Example usage for org.eclipse.jface.viewers TreePathViewerSorter TreePathViewerSorter

Introduction

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

Prototype

TreePathViewerSorter

Source Link

Usage

From source file:org.talend.repository.viewer.ui.provider.RepositoryViewerProvider.java

License:Open Source License

@Override
protected void checkSorter(TreeViewer treeViewer) {
    ViewerSorter sorter = null;//from w  w  w  . ja  v  a  2 s. com
    if (getRepView() != null) {
        final StructuredViewer viewer = getRepView().getViewer();
        sorter = viewer.getSorter();
    }
    final ViewerSorter viewerSorter = sorter;
    // TDI-20528
    // treeViewer.setSorter(sorter);
    treeViewer.setSorter(new TreePathViewerSorter() {

        @Override
        public int compare(Viewer viewer, TreePath parentPath, Object e1, Object e2) {
            if (e1 instanceof RepositoryNode && e2 instanceof RepositoryNode) {
                final RepositoryNode node1 = (RepositoryNode) e1;
                final RepositoryNode node2 = (RepositoryNode) e2;
                if (node1.isBin() || node1.getType().equals(ENodeType.REFERENCED_PROJECT)) { // recycle bin is
                                                                                             // always in bottom
                    return 1;
                }
                if (node2.isBin() || node2.getType().equals(ENodeType.REFERENCED_PROJECT)) { // recycle bin is
                                                                                             // always in bottom
                    return -1;
                }
                // do special for simple folder,TDI-20528
                if (node1.getType() == IRepositoryNode.ENodeType.SIMPLE_FOLDER
                        || node2.getType() == IRepositoryNode.ENodeType.SIMPLE_FOLDER) {
                    return e1.toString().compareTo(e2.toString());
                } else if (viewerSorter != null) {
                    if (viewerSorter instanceof TreePathViewerSorter) {
                        if (!node1.isInitialized() && !node2.isInitialized()) {
                            return viewerSorter.compare(viewer, e1, e2);
                        }
                        return ((TreePathViewerSorter) viewerSorter).compare(viewer, parentPath, e1, e2);
                    } else {
                        return viewerSorter.compare(viewer, e1, e2);
                    }
                }
            }
            return super.compare(viewer, parentPath, e1, e2);

        }

    });
}

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