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:com.amalto.workbench.editors.xsdeditor.TreeExpandHelper.java

License:Open Source License

public void recordExpandState(DataModelMainPage mainPage) {
    if (mainPage == null) {
        return;/*from  ww  w  . j  av a2 s.c o m*/
    }

    cleanCache();

    TreeViewer elementsViewer = mainPage.getElementsViewer();
    TreeViewer typesViewer = mainPage.getTypesViewer();

    expandedElements = getExpandedNodes(elementsViewer.getExpandedTreePaths());
    expandedTypes = getExpandedNodes(typesViewer.getExpandedTreePaths());
}

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From source file:com.google.devtools.depan.graph_doc.eclipse.ui.editor.GraphEditorNodeViewProvider.java

License:Apache License

@Override
public void updateExpandState(TreeViewer viewer) {
    TreePath[] expandState = graphData.getExpandState();
    if (expandState.length > 0) {
        viewer.setExpandedTreePaths(expandState);
        return;//ww w.j av  a 2  s.  co m
    }
    if (graphData.countTreeNodes() < NodeViewerProvider.AUTO_EXPAND_LIMIT) {
        viewer.expandAll();
    } else {
        viewer.expandToLevel(1);
    }
    graphData.saveExpandState(viewer.getExpandedTreePaths());
}

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From source file:com.metaaps.eoclipse.common.ModelChangeListener.java

License:Open Source License

@Override
public void modelChanged(Object element, String event) {
    System.out.println("Model Changed " + event + " " + element.toString());
    TreeViewer viewer = (TreeViewer) _viewer;
    TreePath[] treePaths = viewer.getExpandedTreePaths();
    viewer.refresh();/*  ww  w  .  j a  v  a  2  s .  c om*/
    viewer.setExpandedTreePaths(treePaths);
    System.out.println("Finished Refresh " + element.toString());
}

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From source file:com.metaaps.eoclipse.viewers.layers.LayerContent.java

License:Open Source License

@Override
public void modelChanged(Object element, String event) {
    System.out.println("Model Changed " + event + " " + element.toString());
    TreeViewer viewer = getCommonViewer();
    TreePath[] treePaths = viewer.getExpandedTreePaths();
    viewer.refresh();/*from   w  w  w . j  a  va 2s  . co  m*/
    viewer.setExpandedTreePaths(treePaths);
    System.out.println("Finished Refresh " + element.toString());
}

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From source file:eu.numberfour.n4js.ui.preferences.ExternalLibraryPreferencePage.java

License:Open Source License

private static void updateInput(final TreeViewer viewer, final Object input) {
    UIUtils.getDisplay().asyncExec(() -> {
        final Object[] expandedElements = viewer.getExpandedElements();
        final TreePath[] expandedTreePaths = viewer.getExpandedTreePaths();
        viewer.setInput(input);//from   w w  w . j  a v a 2s. com
        viewer.getControl().notifyListeners(Selection, null);
        if (!Arrays2.isEmpty(expandedElements)) {
            viewer.setExpandedElements(expandedElements);
        }
        if (!Arrays2.isEmpty(expandedTreePaths)) {
            viewer.setExpandedTreePaths(expandedTreePaths);
        }
    });
}

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From source file:gov.nasa.ensemble.core.jscience.ui.ProfileNavigatorContentProvider.java

License:Open Source License

@Override
@SuppressWarnings("unused")
public boolean visit(IResourceDelta delta) throws CoreException {
    IResource changedResource = delta.getResource();
    if (changedResource.getType() == IResource.FILE) {
        try {//from www.ja  v a2s.c o m
            ResourceSet resourceSet = editingDomain.getResourceSet();
            URI uri = EMFUtils.getURI(changedResource);
            URIConverter uriConverter = resourceSet.getURIConverter();
            if (uriConverter.exists(uri, null)) {
                Resource res = resourceSet.getResource(uri, false);
                if (res != null) {
                    if (res.isLoaded()) {
                        res.unload();
                    }
                    res.load(resourceSet.getLoadOptions());
                    final TreeViewer viewer = (TreeViewer) _viewer;
                    WidgetUtils.runInDisplayThread(viewer.getControl(), new Runnable() {
                        @Override
                        public void run() {
                            TreePath[] treePaths = viewer.getExpandedTreePaths();
                            viewer.refresh();
                            viewer.setExpandedTreePaths(treePaths);
                        }
                    });
                }
            }
        } catch (Exception e) {
            LogUtil.error("Error reloading resource", e);
        }
        return false;
    }
    return true;
}

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From source file:msi.gama.gui.navigator.GamaNavigator.java

License:Open Source License

@Override
protected void initListeners(final TreeViewer viewer) {
    super.initListeners(viewer);
    listener = new IResourceChangeListener() {

        @Override//w ww.j a  v  a  2  s . c om
        public void resourceChanged(final IResourceChangeEvent event) {

            if (event.getType() == IResourceChangeEvent.PRE_BUILD
                    || event.getType() == IResourceChangeEvent.PRE_CLOSE
                    || event.getType() == IResourceChangeEvent.PRE_DELETE) {
                return;
            }

            Display.getDefault().asyncExec(new Runnable() {

                @Override
                public void run() {
                    TreePath[] treePaths = viewer.getExpandedTreePaths();
                    if (!viewer.isBusy()) {
                        viewer.refresh();
                        viewer.setExpandedTreePaths(treePaths);
                    }
                }
            });
        }
    };
    ResourcesPlugin.getWorkspace().addResourceChangeListener(listener);

    // viewer.getControl().addMouseTrackListener(new MouseTrackListener() {
    //
    // TreeItem previous;
    //
    // @Override
    // public void mouseHover(final MouseEvent e) {
    // Point p = new Point(e.x, e.y);
    // Tree c = (Tree) viewer.getControl();
    // TreeItem i = c.getItem(p);
    // if ( i == null ) {
    // if ( previous != null ) {
    // previous.setBackground(IGamaColors.WHITE.color());
    // }
    // } else {
    // i.setBackground(IGamaColors.OK.color());
    // if ( previous != null && i != previous ) {
    // previous.setBackground(IGamaColors.WHITE.color());
    // }
    // previous = i;
    // }
    //
    // }
    //
    // @Override
    // public void mouseExit(final MouseEvent e) {}
    //
    // @Override
    // public void mouseEnter(final MouseEvent e) {}
    // });
}

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From source file:org.eclipse.birt.report.designer.ui.widget.TreeViewerBackup.java

License:Open Source License

public void updateStatus(TreeViewer treeViewer) {
    TreePath[] treepaths = treeViewer.getExpandedTreePaths();
    List list = Arrays.asList(treepaths);
    leafList.clear();//w ww  . ja va2  s. c  o  m
    leafList.addAll(list);
    for (int i = 0; i < leafList.size(); i++) {
        TreePath path = ((TreePath) leafList.get(i)).getParentPath();
        if (path == null) {
            leafList.remove(i);
            i--;
        }
        if (leafList.contains(path)) {
            leafList.remove(path);
            i--;
        }
    }
}

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From source file:org.eclipse.emf.compare.ide.ui.internal.actions.filter.DifferenceFilter.java

License:Open Source License

/**
 * Refreshes the viewers registered with this filter. Will try and conserve the expanded tree paths when
 * possible./*from w  w  w  .java2 s. c om*/
 */
private void refreshViewers() {
    for (TreeViewer viewer : viewers) {
        final TreePath[] paths = viewer.getExpandedTreePaths();
        viewer.refresh();
        viewer.setExpandedTreePaths(paths);
    }
}

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From source file:org.eclipse.handly.internal.examples.basic.ui.outline2.FooOutlinePopup.java

License:Open Source License

@Override
protected void changeOutlineMode() {
    compactView = !compactView;/* www .j  a  v  a2 s.  c  o  m*/

    TreeViewer treeViewer = getTreeViewer();
    treeViewer.getControl().setRedraw(false);
    if (getPatternMatcher() == null) {
        TreePath[] treePaths = treeViewer.getExpandedTreePaths();
        updateFilter();
        treeViewer.setExpandedTreePaths(treePaths);
    } else {
        updateFilter();
        treeViewer.expandAll();
    }
    treeViewer.getControl().setRedraw(true);

    // reveal selection
    Object selectedElement = getSelectedElement();
    if (selectedElement != null)
        treeViewer.reveal(selectedElement);
    else
        selectFirstMatch();
}

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