Example usage for org.eclipse.jface.viewers TreeViewer getExpandedTreePaths

Introduction

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

Prototype

public TreePath[] getExpandedTreePaths() 

Source Link

Document

Returns a list of tree paths corresponding to expanded nodes in this viewer's tree, including currently hidden ones that are marked as expanded but are under a collapsed ancestor.

Usage

From source file:org.isoe.fwk.uihelper.impl.NavigatorHelper.java

License:Open Source License

private IViewPart focusInPackageExplorerTraverserSnippet(String language) {
    IViewPart navigator = null;/*from   w  w w.j av a 2s  .  co  m*/

    try {
        navigator = findView("org.eclipse.jdt.ui.PackageExplorer"); // FP130130x
        if (navigator == null)
            navigator = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
                    .showView("org.eclipse.jdt.ui.PackageExplorer");

        IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
        ISelection selection_ = window.getSelectionService().getSelection("org.eclipse.jdt.ui.PackageExplorer");

        if (selection_ instanceof Tree) {
            TreeItem[] selected = ((Tree) selection_).getSelection();
            for (TreeItem treeItem : selected) {
                System.out.println(treeItem.getText());
            }

        }

        if (selection_ instanceof TreeSelection) {
            TreeSelection ts = (TreeSelection) selection_;
            List tsl = ts.toList();
            for (Object object : tsl) {
                System.out.println(tsl.getClass().getName());
            }
        }

        Iterator ite = ((IStructuredSelection) selection_).iterator();
        while (ite.hasNext()) {
            Object obj = ite.next();
            String testString = "";
            if (obj instanceof IJavaElement) {
                IPath packageName = ((IJavaElement) obj).getPath();// /lang.m2.helloworld
                System.out.println("getFileExtension()   " + packageName.getFileExtension());
                String s = packageName.toString();
                String s1[] = s.split("/");
                if ("java".equals(packageName.getFileExtension())) {
                    System.out.println("package name " + s1[1]);
                    System.out.println("project name" + ((IJavaElement) obj).getElementName());
                }
            }
        }

        if (navigator instanceof PackageExplorerPart) {
            PackageExplorerPart pe = (PackageExplorerPart) navigator;
            TreeViewer tree = pe.getTreeViewer();

            Control[] childs = tree.getTree().getChildren();
            for (Control control : childs) {
                System.out.println(control.getClass().getName());
            }

            TreeItem[] selected = tree.getTree().getSelection();
            for (TreeItem treeItem : selected) {
                System.out.println(treeItem.getText());
            }

            TreeItem[] items = tree.getTree().getItems();
            for (TreeItem treeItem : items) {
                ;// System.out.println(treeItem.getText());
            }

            Object[] els = tree.getExpandedElements();
            for (Object el : els) {
                System.out.println(el.getClass().getName());
            }
            // tree.getChildren(widget, elementChildren)

            org.eclipse.jface.viewers.TreePath[] tp = tree.getExpandedTreePaths();
            for (TreePath treePath : tp) {
                System.out.println(treePath.getFirstSegment().toString());
            }

            List<IProject> projects = controler.getDsmlProjects();
            for (IProject iProject : projects) {
                if (iProject.getName().endsWith("." + language)) {
                    StructuredSelection ssel = new StructuredSelection(iProject);
                    tree.getControl().setRedraw(false);
                    tree.setSelection(ssel, true);
                    tree.getControl().setRedraw(true);

                    IEditorPart opened = bringToTop(iProject);
                    // if (currentPackage==null)
                    // throw new
                    // RuntimeException("should not happen in getPackage()");
                    ((EcoreDiagramEditor) opened).getDiagram();

                }
            }

        }
        // org.eclipse.jdt.ui.PackageExplorer pe;

        IViewReference[] views = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
                .getViewReferences();
        for (IViewReference view : views) {
            if ("org.eclipse.jdt.ui.PackageExplorer".equals(view.getId())) {
                IViewPart pExplorer = view.getView(true);

                TreeViewer viewer;

                // pExplorer.
                // pExplorer.getViewSite().getSelectionProvider().setSelection(selection);
                break;
            }
        }

    } catch (PartInitException e1) {
        e1.printStackTrace();
        return null;
    }
    return navigator;
}

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From source file:rabbit.ui.internal.viewers.Viewers.java

License:Apache License

/**
 * Gets the current input of the viewer and calls
 * {@link TreeViewer#setInput(Object)} on it.
 *///from w  w  w  .  j  a v a 2  s .com
public static void resetInput(TreeViewer viewer) {
    TreePath[] paths = viewer.getExpandedTreePaths();
    viewer.getTree().setRedraw(false);
    viewer.setInput(viewer.getInput());
    viewer.setExpandedTreePaths(paths);
    viewer.getTree().setRedraw(true);
}

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