Example usage for org.eclipse.jface.viewers AbstractTreeViewer expandToLevel

Introduction

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

Prototype

int expandToLevel

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Document

The level to which the tree is automatically expanded each time the viewer's input is changed (that is, by setInput).

Usage

From source file:com.aptana.workbench.hyperlink.EditorLineHyperlink.java

License:Open Source License

protected void openDirectory(IWorkbenchPage page, IFileStore store) throws CoreException {
    URI uri = store.toURI();// w  w  w.j av a  2s.  c  o  m
    if (!SCHEME_FILE.equals(uri.getScheme())) {
        return;
    }
    File file = store.toLocalFile(EFS.NONE, new NullProgressMonitor());
    IContainer container = ResourcesPlugin.getWorkspace().getRoot()
            .getContainerForLocation(Path.fromOSString(file.getAbsolutePath()));
    if (container == null) {
        // If this is an external directory, open it in the "finder" - OpenInFinderHandler.open(uri)
        IHandlerService service = (IHandlerService) page.getActivePart().getSite()
                .getService(IHandlerService.class);
        ICommandService commandService = (ICommandService) page.getActivePart().getSite()
                .getService(ICommandService.class);
        Command command = commandService.getCommand(IUIConstants.OPEN_IN_OS_FILE_MANAGER_ID);
        ParameterizedCommand pc = ParameterizedCommand.generateCommand(command, null);
        List<Object> list = new ArrayList<Object>();
        list.add(store);
        IEvaluationContext context = new EvaluationContext(service.getCurrentState(), list);
        context.addVariable(ISources.SHOW_IN_SELECTION, new StructuredSelection(list));
        try {
            service.executeCommandInContext(pc, null, context);
        } catch (Exception e) {
            // ignore
        }
        return;
    }
    // Select in the App Explorer
    IViewReference[] viewRefs = page.getViewReferences();
    for (IViewReference ref : viewRefs) {
        if (IExplorerUIConstants.VIEW_ID.equals(ref.getId())) {
            IViewPart part = (IViewPart) ref.getPart(false);
            if (part != null && part instanceof ISetSelectionTarget) {
                // Select the directory!
                ISetSelectionTarget target = (ISetSelectionTarget) part;
                target.selectReveal(new StructuredSelection(container));
            }
            // Also expand it, if possible
            if (part != null && part instanceof CommonNavigator) {
                CommonNavigator navigator = (CommonNavigator) part;
                AbstractTreeViewer treeViewer = navigator.getCommonViewer();
                treeViewer.expandToLevel(container, 1);
            }
        }
    }
}

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From source file:com.nokia.carbide.cpp.internal.project.ui.mmpEditor.TreeViewerHandler.java

License:Open Source License

public void refreshElement(Object element) {
    AbstractTreeViewer tv = treeViewer();
    tv.refresh(element);
    tv.expandToLevel(expandLevel);
}

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From source file:de.walware.ecommons.ui.util.ViewerUtil.java

License:Open Source License

/**
 * {@link AbstractTreeViewer#expandToLevel(Object, int)}
 * // w w  w  .  jav a2  s.com
 * Workaround for E bug #54116
 */
public static void expandToLevel(final AbstractTreeViewer viewer, final Object element, final int level) {
    viewer.expandToLevel(element, level);
    for (TreeItem item = (TreeItem) viewer.testFindItem(element); item != null; item = item.getParentItem()) {
        item.setExpanded(true);
    }
}

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From source file:org.cs3.pdt.common.search.PrologSearchResultPage.java

License:Open Source License

@Override
protected void configureTreeViewer(TreeViewer viewer) {
    viewer.setLabelProvider(new DecoratingPrologSearchLabelProvider(new PrologSearchLabelProvider()));
    ColumnViewerToolTipSupport.enableFor(viewer, ToolTip.NO_RECREATE);
    //      viewer.setLabelProvider(new DecoratingLabelProvider(new PrologSearchLabelProvider(), 
    //            PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));
    fContentProvider = new PrologSearchTreeContentProvider(this);
    viewer.setContentProvider(fContentProvider);
    viewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override//from www .ja  va 2 s. co m
        public void doubleClick(DoubleClickEvent event) {
            ISelection selection = event.getSelection();
            if (selection instanceof TreeSelection) {
                Object firstElement = ((TreeSelection) selection).getFirstElement();
                Match m = null;
                if (firstElement instanceof SearchModuleElement) {
                    m = ((SearchModuleElement) firstElement).getMatch();
                } else if (firstElement instanceof SearchPredicateElement) {
                    m = ((SearchPredicateElement) firstElement).getFirstOccurrence();
                } else if (firstElement instanceof SearchFileTreeElement) {
                    m = ((SearchFileTreeElement) firstElement).getFirstMatch();
                }
                if (m != null) {
                    final Match match = m;
                    UIJob job = new UIJob("Show Match") {
                        @Override
                        public IStatus runInUIThread(IProgressMonitor monitor) {
                            try {
                                showMatch(match, match.getOffset(), match.getLength(), true);
                            } catch (PartInitException e) {
                                Debug.report(e);
                            }
                            return Status.OK_STATUS;
                        }
                    };
                    job.schedule();
                }
            }
        }
    });
    viewer.addTreeListener(new ITreeViewerListener() {
        @Override
        public void treeExpanded(TreeExpansionEvent event) {
            final AbstractTreeViewer treeViewer = event.getTreeViewer();
            PrologSearchTreeContentProvider contentProvider = (PrologSearchTreeContentProvider) treeViewer
                    .getContentProvider();
            final Object element = event.getElement();
            int expandLevel = 1;
            Object[] children = contentProvider.getChildren(element);
            while (children.length == 1) {
                expandLevel++;
                children = contentProvider.getChildren(children[0]);
            }
            if (expandLevel > 1) {
                final int finalExpandLevel = expandLevel;
                treeViewer.getControl().getDisplay().asyncExec(new Runnable() {
                    @Override
                    public void run() {
                        treeViewer.expandToLevel(element, finalExpandLevel);
                    }
                });
            }
        }

        @Override
        public void treeCollapsed(TreeExpansionEvent event) {
        }
    });
}

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From source file:org.eclipse.jubula.client.ui.rcp.businessprocess.UINodeBP.java

License:Open Source License

/**
 * Tries to select the given node in the given TreeViewer.
 * /*from   ww  w  . j  av a2  s . co m*/
 * @param o
 *            The Object to select
 * @param tv
 *            the TreeViewer
 * @return the object which should be selected if found in tree viewer, null
 *         otherwise
 */
public static Object selectNodeInTree(Object o, AbstractTreeViewer tv) {
    ISelection oldSelection = tv.getSelection();
    if (o != null) {
        tv.refresh();
        tv.expandToLevel(o, 0);
        tv.reveal(o);
        StructuredSelection newSelection = new StructuredSelection(o);
        tv.setSelection(newSelection);
        InteractionEventDispatcher.getDefault().fireProgammableSelectionEvent(newSelection);
        ISelection currSelection = tv.getSelection();
        if (currSelection instanceof StructuredSelection) {
            Object currObj = ((StructuredSelection) currSelection).getFirstElement();
            IElementComparer comparer = tv.getComparer();
            if (comparer != null) {
                if (comparer.equals(o, currObj)) {
                    return o;
                }
            } else {
                if (o.equals(currObj)) {
                    return o;
                }
            }
        }
    }
    tv.setSelection(oldSelection);
    return null;
}

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From source file:org.eclipse.team.internal.ui.synchronize.actions.ExpandAllAction.java

License:Open Source License

protected void expandAllFromSelection() {
    AbstractTreeViewer tree = viewer;
    if (tree == null)
        return;/*w w  w .j  a v a  2  s .  c o m*/
    ISelection selection = tree.getSelection();
    if (!selection.isEmpty()) {
        Iterator elements = ((IStructuredSelection) selection).iterator();
        try {
            tree.getControl().setRedraw(false);
            while (elements.hasNext()) {
                Object next = elements.next();
                tree.expandToLevel(next, AbstractTreeViewer.ALL_LEVELS);
            }
        } finally {
            tree.getControl().setRedraw(true);
        }
    }
}

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From source file:org.eclipse.wst.dtd.ui.views.contentoutline.DTDTreeContentProvider.java

License:Open Source License

private void expandToNode(DTDNode node) {
    DTDFile dtdFile = node.getDTDFile();
    // first expand the root
    AbstractTreeViewer viewer = (AbstractTreeViewer) fViewer;
    viewer.expandToLevel(dtdFile, 1);
    NodeList listToExpand = null;
    if (node instanceof Element || node instanceof ParameterEntityReference) {
        listToExpand = dtdFile.getElementsAndParameterEntityReferences();
    } else if (node instanceof Notation) {
        listToExpand = dtdFile.getNotations();
    } else if (node instanceof Entity) {
        listToExpand = dtdFile.getEntities();
    } else if (node instanceof Comment) {
        listToExpand = dtdFile.getComments();
    }//from w w  w . j  a va2s.c o  m
    if (listToExpand != null) {
        viewer.expandToLevel(listToExpand, 1);
    }
    viewer.expandToLevel(node, 0);
}

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