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

List of usage examples for org.eclipse.jface.viewers TreeViewer getExpandedElements

  1. HOME
  2. Java
  3. org.eclipse.jface
  4. org.eclipse.jface.viewers.*
  5. TreeViewer
  6. 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:org.eclipse.osee.framework.ui.swt.TreeViewerUtility.java

License:Open Source License

@SuppressWarnings("unchecked")
private static <A extends Object> void populateExpansionHash(TreeViewer tree, Map<A, Object> selectionHash) {

    for (Object obj : tree.getExpandedElements()) {
        selectionHash.put((A) obj, dummy);
    }/*from   w  ww  . j a v  a 2  s .  co m*/
}

From source file:org.eclipse.sirius.tree.ui.tools.internal.editor.DTreeEditor.java

License:Open Source License

/**
 * Sets the cursor and selection state for an editor to reveal the position
 * of the given marker.//  w w w .  j  a v a2s .  c  o m
 * 
 * @param marker
 *            the marker to go to
 */
// TODO for now on, this implementation only allow to handle Traceability
// markers
protected void doGoToMarker(IMarker marker) {
    final String treeURI = marker.getAttribute(TraceabilityMarkerNavigationProvider.REPRESENTATION_URI, null);
    final String elementId = marker.getAttribute(TraceabilityMarkerNavigationProvider.REPRESENTATION_ELEMENT_ID,
            null);

    if (treeURI == null || elementId == null) {
        return;
    }

    final URI markerTreeURI = URI.createURI(treeURI);
    final DTree markerTree = (DTree) this.getTreeModel().eResource().getEObject(markerTreeURI.fragment());

    if (markerTree != null) {
        EObject searchedElement = markerTree.eResource().getEObject(elementId);
        TreeViewer viewer = this.treeViewerManager.getTreeViewer();

        // FIXME : contrary to tables, getItems() of the Tree returns only
        // expanded elements. So we expand it manually
        Object[] expandedElements = viewer.getExpandedElements();
        ((TreeViewer) this.getViewer()).expandAll();
        TreeItem contains = contains(viewer.getTree().getItems(), searchedElement);
        ((TreeViewer) this.getViewer()).setExpandedElements(expandedElements);

        if (contains != null) {
            ISelection selection = new TreeSelection(getTreePathFromItem(contains));
            ((TreeViewer) this.getViewer()).setSelection(selection, true);
        }

    }
}

From source file:org.eclipse.ui.internal.dialogs.ImportExportPage.java

License:Open Source License

/**
 * Stores the collection of currently-expanded categories in this page's
 * dialog store, in order to recreate this page's state in the next
 * instance of this page./*from   w  ww . j  a  v  a 2 s . c o m*/
 */
protected void storeExpandedCategories(String setting, TreeViewer viewer) {
    Object[] expandedElements = viewer.getExpandedElements();
    List expandedElementPaths = new ArrayList(expandedElements.length);
    for (int i = 0; i < expandedElements.length; ++i) {
        if (expandedElements[i] instanceof IWizardCategory) {
            expandedElementPaths.add(((IWizardCategory) expandedElements[i]).getPath().toString());
        }
    }
    getDialogSettings().put(setting,
            (String[]) expandedElementPaths.toArray(new String[expandedElementPaths.size()]));
}

From source file:org.eclipse.wb.internal.core.databinding.ui.EditSelection.java

License:Open Source License

/**
 * Store page index, selection and expanded for given page.
 *///from  ww  w.j a va2 s.c  om
private static void setToPage(IDatabindingsProvider databindingsProvider,
        ObserveElementsComposite observeElementsComposite, PageSelection page) {
    // store page index
    page.pageIndex = databindingsProvider.getTypes().indexOf(observeElementsComposite.getCurrentType());
    // prepare master objects
    TreeViewer masterViewer = observeElementsComposite.getMasterViewer();
    ITreeContentProvider masterProvider = (ITreeContentProvider) masterViewer.getContentProvider();
    Object[] masterInput = masterProvider.getElements(masterViewer.getInput());
    // store master selection
    page.masterSelection = objectToPath(masterProvider, masterInput,
            observeElementsComposite.getMasterObserve());
    // store master expanded
    page.masterExpanded = objectsToPaths(masterProvider, masterInput, masterViewer.getExpandedElements());
    // prepare properties objects
    TreeViewer propertiesViewer = observeElementsComposite.getPropertiesViewer();
    ITreeContentProvider propertiesProvider = (ITreeContentProvider) propertiesViewer.getContentProvider();
    Object[] propertiesInput = propertiesProvider.getElements(propertiesViewer.getInput());
    // store properties selection
    page.propertiesSelection = objectToPath(propertiesProvider, propertiesInput,
            observeElementsComposite.getPropertyObserve());
    // store properties expanded
    page.propertiesExpanded = objectsToPaths(propertiesProvider, propertiesInput,
            propertiesViewer.getExpandedElements());
}

From source file:org.eclipse.wb.internal.swing.laf.ui.JarSelectionDialog.java

License:Open Source License

@Override
protected void updateOKStatus() {
    TreeViewer viewer = getTreeViewer();
    m_expanded = viewer.getExpandedElements();
    IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
    m_selection = selection.getFirstElement();
    super.updateOKStatus();
}

From source file:org.eclipse.wst.sse.sieditor.test.ui.v2.wsdl.controller.TestImportedSchemaNodes.java

License:Open Source License

@Test
public void testImportedTypesNodeDoesNotCollapseOnTreeRefresh() throws ExecutionException {
    DataTypesFormPageControllerExpose controller = new DataTypesFormPageControllerExpose(xsdModelRoot);
    DataTypesContentProvider contentProvider = new DataTypesContentProvider(controller);

    final boolean refresh_Called[] = { false };

    final Display display = Display.getDefault();
    final Shell shell = new Shell(display);
    final TreeViewer treeViewerMock = new TreeViewer(new Composite(shell, SWT.None)) {
        @Override/*from   w  w w.ja  va  2  s. co  m*/
        public void refresh() {
            super.refresh();
            refresh_Called[0] = true;

        }
    };
    treeViewerMock.setContentProvider(contentProvider);
    treeViewerMock.setInput(xsdModelRoot);

    treeViewerMock.expandAll();

    ArrayList<Object> expandedElementsBefore = new ArrayList<Object>(
            Arrays.asList(treeViewerMock.getExpandedElements()));

    AddSimpleTypeCommand addSimpleTypeCommand = new AddSimpleTypeCommand(xsdModelRoot, xsdModelRoot.getSchema(),
            "mySimpleType");
    IStatus executeStatus = xsdModelRoot.getEnv().execute(addSimpleTypeCommand);

    assertEquals("Add Simpletype command execution failed.", IStatus.OK, executeStatus.getSeverity());

    AbstractMasterDetailsBlock masterDetailsBlock = new AbstractMasterDetailsBlock() {
        {
            this.treeViewer = treeViewerMock;
        }

        @Override
        protected void createButtons(FormToolkit toolkit, Composite buttonsComposite) {
        }

        @Override
        protected IDetailsPageProvider createDetailsPageProvider() {
            return null;
        }

        @Override
        protected Button getRemoveButton() {
            return null;
        }

        @Override
        protected void removePressed() {
        }

        @Override
        public void componentChanged(IModelChangeEvent event) {
        }

        @Override
        protected void updateButtonsState(IStructuredSelection structSelection) {
            // TODO Auto-generated method stub

        }
    };
    masterDetailsBlock.refreshTreeViewer();
    ArrayList<Object> expandedElementsAfter = new ArrayList<Object>(
            Arrays.asList(treeViewerMock.getExpandedElements()));
    //here we remove the new added item, because we want to check the expanded state only of the old elements, not the new one 
    expandedElementsAfter.remove(0);
    assertTrue("Expected tree viewer refresh call.", refresh_Called[0]);
    assertArrayEquals("It is expected that tree viewer remembers its state after refresh",
            expandedElementsBefore.toArray(), expandedElementsAfter.toArray());
}

From source file:org.eclipse.wst.sse.sieditor.ui.listeners.impl.TreeRefresherPageChangedListener.java

License:Open Source License

@Override
public void pageChanged(final int newPageIndex, final int oldPageIndex, final List pages,
        final IModelRoot modelRoot) {
    if (oldPageIndex == -1) {
        return;/*from ww w  .  j  av a 2 s  .  c  om*/
    }
    final Object newPage = pages.get(newPageIndex);

    if (!(newPage instanceof AbstractEditorPage)) {
        return;
    }
    final TreeViewer treeViewer = ((AbstractEditorPage) newPage).getTreeViewer();
    final Object[] expandedElements = treeViewer.getExpandedElements();
    treeViewer.refresh(true);
    treeViewer.setExpandedElements(expandedElements);
}

From source file:org.eclipse.xtext.ui.editor.outline.impl.OutlineTreeState.java

License:Open Source License

protected Set<IOutlineNode> getExpandedNodes(final TreeViewer treeViewer) {
    final Set<IOutlineNode> expandedNodes = Sets.newHashSet();
    DisplayRunHelper.runSyncInDisplayThread(new Runnable() {
        @Override/*from  w  w w .  j  a  v  a 2s.  co  m*/
        public void run() {
            if (!treeViewer.getTree().isDisposed()) {
                Object[] expandedElements = treeViewer.getExpandedElements();
                for (Object expandedElement : expandedElements) {
                    if (!(expandedElement instanceof IOutlineNode))
                        LOG.error("Content outline contains illegal node " + expandedElement);
                    else
                        expandedNodes.add((IOutlineNode) expandedElement);
                }
            }
        }
    });
    return expandedNodes;
}

From source file:org.eclipse.xtext.ui.tests.editor.outline.AbstractOutlineWorkbenchTest.java

License:Open Source License

protected void assertExpanded(TreeViewer treeViewer, IOutlineNode... expectedExpansion) {
    Object[] expandedElements = treeViewer.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;
        }//from w  w  w. ja  va2  s  . c  o  m
        fail("Unexpected expansion" + expandedObject.toString());
    }
}

From source file:org.entirej.applicationframework.rwt.renderers.blocks.EJRWTTreeRecordBlockRenderer.java

License:Apache License

public void refresh(Object input) {
    TreeViewer treeview = _tableViewer;
    if (treeview != null) {
        Object[] expanded = treeview.getExpandedElements();

        treeview.getControl().setRedraw(false);
        treeview.setInput(input);/*  www. jav  a2  s.  co  m*/
        treeview.setExpandedElements(expanded);
        treeview.getControl().setRedraw(true);
        treeview.refresh();
    }
}