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

Introduction

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

Prototype

public Object[] getExpandedElements()

Source Link

Document

Returns a list of elements 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.nokia.carbide.cpp.internal.project.ui.views.SymbianProjectNavigatorView.java

License:Open Source License

public void setWorkingSet(IWorkingSet workingSet) {
    TreeViewer treeViewer = getViewer();
    Object[] expanded = treeViewer.getExpandedElements();
    ISelection selection = treeViewer.getSelection();

    workingSetFilter.setWorkingSet(workingSet);

    treeViewer.refresh();/* w ww .  j a va 2 s  .c om*/
    treeViewer.setExpandedElements(expanded);
    if (selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        treeViewer.reveal(structuredSelection.getFirstElement());
    }
}

From source file:com.reprezen.swagedit.core.editor.outline.JsonContentOutlinePage.java

License:Open Source License

protected void update() {
    final IDocument document = documentProvider.getDocument(currentInput);

    if (document instanceof JsonDocument) {
        final Model model = ((JsonDocument) document).getModel();
        if (model == null) {
            return;
        }//w  w  w .  j a v  a 2  s .co  m

        final TreeViewer viewer = getTreeViewer();

        if (viewer != null && viewer.getControl() != null && !viewer.getControl().isDisposed()) {
            // we keep all elements that have been previously expanded
            // so the tree stay in the same state between updates.
            final Object[] expandedElements = viewer.getExpandedElements();
            final List<Object> elements = expandedElements != null ? Arrays.asList(expandedElements) : null;

            viewer.setInput(model);

            if (elements != null && !elements.isEmpty()) {
                List<AbstractNode> newElements = new ArrayList<>();
                model.allNodes().forEach(node -> {
                    if (elements.contains(node))
                        newElements.add(node);
                });
                viewer.setExpandedElements(newElements.toArray());
            }
        }
    }
}

From source file:com.reprezen.swagedit.editor.outline.SwaggerContentOutlinePage.java

License:Open Source License

protected void update() {
    final IDocument document = documentProvider.getDocument(currentInput);

    if (document instanceof SwaggerDocument) {
        final Model model = ((SwaggerDocument) document).getModel();
        if (model == null) {
            return;
        }/* w ww .j av a 2 s  .com*/

        final TreeViewer viewer = getTreeViewer();

        if (viewer != null && viewer.getControl() != null && !viewer.getControl().isDisposed()) {
            // we keep all elements that have been previously expanded
            // so the tree stay in the same state between updates.
            final Object[] expandedElements = viewer.getExpandedElements();
            final List<Object> elements = expandedElements != null ? Arrays.asList(expandedElements) : null;

            viewer.setInput(model);

            if (elements != null && !elements.isEmpty()) {
                Iterable<AbstractNode> newElements = filter(model.allNodes(), new Predicate<AbstractNode>() {
                    @Override
                    public boolean apply(AbstractNode node) {
                        return elements.contains(node);
                    }
                });
                viewer.setExpandedElements(toArray(newElements, AbstractNode.class));
            }
        }
    }
}

From source file:eu.numberfour.n4js.tests.outline.AbstractOutlineWorkbenchTest.java

License:Open Source License

protected void assertExpanded(TreeViewer aTreeViewer, IOutlineNode... expectedExpansion) {
    Object[] expandedElements = aTreeViewer.getExpandedElements();
    assertEquals(expectedExpansion.length, expandedElements.length);
    OUTER: for (Object expandedObject : expandedElements) {
        assertTrue(expandedObject instanceof IOutlineNode);
        for (IOutlineNode expectedExpanded : expectedExpansion) {
            if (nodeComparer.equals((IOutlineNode) expandedObject, expectedExpanded))
                continue OUTER;
        }/* w w w.  ja va 2  s. c  o m*/
        fail("Unexpected expansion" + expandedObject.toString());
    }
}

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);//  ww  w. j av  a  2s .co m
        viewer.getControl().notifyListeners(Selection, null);
        if (!Arrays2.isEmpty(expandedElements)) {
            viewer.setExpandedElements(expandedElements);
        }
        if (!Arrays2.isEmpty(expandedTreePaths)) {
            viewer.setExpandedTreePaths(expandedTreePaths);
        }
    });
}

From source file:ext.org.eclipse.jdt.internal.ui.browsing.LogicalPackagesProvider.java

License:Open Source License

/**
 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
 */// w  w  w.j av a2  s.  c  o m
public void propertyChange(PropertyChangeEvent event) {
    if (fCompoundState == isInCompoundState())
        return;
    else
        fCompoundState = isInCompoundState();

    if (!isInCompoundState()) {
        fMapToLogicalPackage.clear();
        fMapToPackageFragments.clear();
    }

    if (fViewer instanceof TreeViewer) {
        TreeViewer viewer = (TreeViewer) fViewer;
        Object[] expandedObjects = viewer.getExpandedElements();
        viewer.refresh();
        viewer.setExpandedElements(expandedObjects);
    } else
        fViewer.refresh();
}

From source file:ext.org.eclipse.jdt.internal.ui.typehierarchy.HierarchyInformationControl.java

License:Open Source License

protected void toggleHierarchy() {
    TreeViewer treeViewer = getTreeViewer();

    treeViewer.getTree().setRedraw(false);

    Object[] expandedElements = treeViewer.getExpandedElements();
    TypeHierarchyContentProvider contentProvider = (TypeHierarchyContentProvider) treeViewer
            .getContentProvider();//w w w  . jav  a2  s . c  o m
    treeViewer.setContentProvider(fOtherContentProvider);

    treeViewer.refresh();
    if (fOtherExpandedElements != null) {
        treeViewer.setExpandedElements(fOtherExpandedElements);
    } else {
        treeViewer.expandAll();
    }

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

    treeViewer.getTree().setRedraw(true);

    fOtherContentProvider = contentProvider;
    fOtherExpandedElements = expandedElements;

    updateStatusFieldText();
}

From source file:it.eng.spagobi.meta.editor.business.actions.RefreshViewerAction.java

License:Mozilla Public License

@Override
public void run() {
    if (activeEditorPart instanceof IViewerProvider) {
        Viewer viewer = ((IViewerProvider) activeEditorPart).getViewer();
        if (viewer != null) {
            if (viewer instanceof TreeViewer) {
                TreeViewer treeViewer = (TreeViewer) viewer;

                Object[] elements = treeViewer.getExpandedElements();
                //               for(int i = 0; i < elements.length; i++) {
                //                  treeViewer.refresh(elements[i]);
                //                  if(elements[i] instanceof BusinessColumnFolderItemProvider) {
                //                     BusinessColumnFolderItemProvider bcfip = (BusinessColumnFolderItemProvider)elements[i];
                //                     treeViewer.setExpandedState(elements[i], true);                     
                //                  } else {
                //                     treeViewer.setExpandedState(elements[i], true);
                //                  }
                //               }
                //               
                treeViewer.refresh();/*  ww  w. ja v  a  2s  .  c om*/
                treeViewer.setExpandedElements(elements);
            } else {
                viewer.refresh();
            }
        }
    }
}

From source file:it.eng.spagobi.meta.editor.business.BusinessModelEditor.java

License:Mozilla Public License

public void refreshViewer() {
    if (currentViewer != null) {
        // currentViewer.refresh();
        if (currentViewer instanceof TreeViewer) {
            TreeViewer treeViewer = (TreeViewer) currentViewer;
            Object[] elements = treeViewer.getExpandedElements();
            treeViewer.refresh();//  w  w  w. j  a  v  a2 s .  co  m
            for (Object element : elements) {
                treeViewer.setExpandedState(element, true);
            }
            // treeViewer.setExpandedElements(elements);
        }
    } else {
        // if there are no viewer set current viewer to the modelTreeViewer and refresh it
        if (modelTreeViewer != null) {
            setCurrentViewer(modelTreeViewer);
            refreshViewer();
        }
    }

}

From source file:it.eng.spagobi.meta.editor.physical.PhysicalModelEditor.java

License:Mozilla Public License

public void refreshViewer() {
    if (currentViewer != null) {
        // currentViewer.refresh();
        if (currentViewer instanceof TreeViewer) {
            TreeViewer treeViewer = (TreeViewer) currentViewer;
            Object[] elements = treeViewer.getExpandedElements();
            treeViewer.refresh();/*from   w  w w  . ja v  a 2  s  . c  o  m*/
            for (Object element : elements) {
                treeViewer.setExpandedState(element, true);
            }
            // treeViewer.setExpandedElements(elements);
        }
    } else {
        // if there are no viewer set current viewer to the modelTreeViewer and refresh it
        if (selectionViewer != null) {
            setCurrentViewer(selectionViewer);
            refreshViewer();
        }
    }

}