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:org.entirej.ext.oracle.db.DBTypeSelectionPage.java

License:Apache License

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

        treeview.getControl().setRedraw(false);
        treeview.setInput(input);//w ww. j a va2 s.com
        treeview.setExpandedElements(expanded);
        treeview.getControl().setRedraw(true);
        treeview.refresh();
    }

}

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From source file:org.entirej.ide.ui.nodes.AbstractNodeTreeSection.java

License:Apache License

@Override
public void refresh() {
    TreeViewer treeview = filteredTree.getViewer();
    Object[] expanded = treeview.getExpandedElements();

    treeview.getControl().setRedraw(false);
    treeview.setInput(getTreeInput());//from  w  ww.  ja v a2 s.  c om
    treeview.setExpandedElements(expanded);
    treeview.getControl().setRedraw(true);
    treeview.refresh();
    getManagedForm().fireSelectionChanged(AbstractNodeTreeSection.this, treeview.getSelection());
    showNodeDetails();
    super.refresh();
}

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From source file:org.entirej.ide.ui.nodes.AbstractNodeTreeSection.java

License:Apache License

public AbstractNode<?> findNode(Object source, boolean force) {
    AbstractNode<?> node = findNode(source);
    if (node != null || !force) {
        return node;
    }/*from w  w w  .  ja  v a2 s.  c  om*/
    if (source == null)
        return null;

    TreeViewer treeview = filteredTree.getViewer();
    Object[] expanded = treeview.getExpandedElements();

    treeview.getControl().setRedraw(false);
    try {
        filteredTree.getViewer().expandAll();
        TreeItem[] items = filteredTree.getViewer().getTree().getItems();
        for (TreeItem treeItem : items) {
            AbstractNode<?> findNode = findNode(source, treeItem);
            if (findNode != null)
                return findNode;
        }
    } finally {
        treeview.collapseAll();
        treeview.setExpandedElements(expanded);
        treeview.getControl().setRedraw(true);
        treeview.refresh();

    }
    return null;
}

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

License:Open Source License

private IViewPart focusInPackageExplorerTraverserSnippet(String language) {
    IViewPart navigator = null;/*w  w  w.java 2s.c o 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:org.kalypso.ui.editor.gmleditor.part.GMLContentProvider.java

License:Open Source License

protected void handleModelChanged(final ModellEvent modellEvent) {
    if (!m_handleModelEvents)
        return;/*from  ww w. j  a  v a 2s .  c  o m*/

    final TreeViewer treeViewer = m_viewer;
    if (treeViewer == null)
        return;

    final Control control = treeViewer.getControl();

    if (modellEvent instanceof FeatureStructureChangeModellEvent) {
        if (m_featureStructureChangedJob != null)
            m_featureStructureChangedJob.cancel();

        m_featureStructureChangedJob = new UIJob(Messages.getString("GMLContentProvider_0")) //$NON-NLS-1$
        {
            @Override
            public IStatus runInUIThread(final IProgressMonitor monitor) {
                if (monitor.isCanceled())
                    return Status.CANCEL_STATUS;
                if (Objects.isNull(control) || control.isDisposed())
                    return Status.CANCEL_STATUS;

                final Object[] expandedElements = treeViewer.getExpandedElements();

                treeViewer.refresh();

                treeViewer.setExpandedElements(expandedElements);

                return Status.OK_STATUS;
            }
        };

        m_featureStructureChangedJob.setSystem(true);
        m_featureStructureChangedJob.setUser(false);

        m_featureStructureChangedJob.schedule(50);

    } else if (modellEvent instanceof FeaturesChangedModellEvent) {
        final FeaturesChangedModellEvent fcme = (FeaturesChangedModellEvent) modellEvent;

        // TODO: ugly abstraction, mover into separate class!
        synchronized (m_featureChangeStack) {
            Collections.addAll(m_featureChangeStack, fcme.getFeatures());

            if (m_featureChangeJob != null) {
                m_featureChangeJob.cancel();
                m_featureChangeJob = null;
            }

            // FIXME; why recreate the job at all?
            final UIJob featureChangeJob = new UIJob(Messages.getString("GMLContentProvider_1")) //$NON-NLS-1$
            {
                @Override
                public IStatus runInUIThread(final IProgressMonitor monitor) {
                    if (monitor.isCanceled())
                        return Status.CANCEL_STATUS;

                    if (Objects.isNull(control) || control.isDisposed())
                        return Status.CANCEL_STATUS;

                    final Feature[] features = popChangedFeatures();

                    for (final Feature feature : features) {
                        // FIXME: handle special case: also refresh elements of tree that reference this feature...

                        treeViewer.refresh(feature, true);
                    }

                    return Status.OK_STATUS;
                }
            };

            featureChangeJob.setSystem(true);
            featureChangeJob.setUser(false);
            featureChangeJob.schedule(50);

            m_featureChangeJob = featureChangeJob;
        }
    }
}

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From source file:org.modelversioning.emfprofile.application.registry.ui.observer.ViewerState.java

License:Open Source License

public ViewerState(TreeViewer viewer) {
    super();//from w  w w.  j a  va 2  s  .co  m
    this.input = viewer.getInput();
    this.viewerExpandedElements = viewer.getExpandedElements();
    this.selection = viewer.getSelection();
}

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From source file:org.objectstyle.wolips.eomodeler.outline.EOModelTreeViewUpdater.java

License:Open Source License

protected void refreshRelationshipsForEntity(EOEntity entity) {
    TreeViewer treeViewer = getTreeViewer();
    if (treeViewer != null) {
        treeViewer.refresh(entity, true);
        Object[] expandedElements = treeViewer.getExpandedElements();
        for (int expandedElementNum = 0; expandedElementNum < expandedElements.length; expandedElementNum++) {
            if (expandedElements[expandedElementNum] instanceof EORelationshipPath) {
                EORelationshipPath relationshipPath = (EORelationshipPath) expandedElements[expandedElementNum];
                if (relationshipPath.getChildRelationship().getEntity().equals(entity)) {
                    treeViewer.refresh(relationshipPath, true);
                }//from   w  ww  .  j  a v a2  s.c o m
            }
        }
    }
}

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From source file:org.python.pydev.debug.codecoverage.PyCodeCoverageTestWorkbench.java

License:Open Source License

public void testPyCodeCoverageView() throws Exception {

    final PyCodeCoverageView view = PyCodeCoverageView.getView(true);
    //At this point it should have no folder selected and the option to run things in coverage should be
    //set to false.
    assertTrue(!PyCoveragePreferences.getAllRunsDoCoverage());
    assertTrue(PyCodeCoverageView.getChosenDir() == null);

    assertTrue(!view.allRunsGoThroughCoverage.getSelection());
    assertTrue(!PyCoveragePreferences.getInternalAllRunsDoCoverage());
    view.allRunsGoThroughCoverage.setSelection(true);
    view.allRunsGoThroughCoverage.notifyListeners(SWT.Selection, new Event());

    assertTrue(PyCoveragePreferences.getInternalAllRunsDoCoverage());
    assertTrue(!PyCoveragePreferences.getAllRunsDoCoverage());

    view.setSelectedContainer(sourceFolder);
    TreeViewer treeViewer = view.getTreeViewer();
    ITreeContentProvider cp = (ITreeContentProvider) treeViewer.getContentProvider();
    Object[] elements = cp.getElements(treeViewer.getInput());
    assertEquals(1, elements.length);/*from ww  w.ja  v a 2s  .  com*/
    ILabelProvider labelProvider = (ILabelProvider) treeViewer.getLabelProvider();
    assertEquals("pack_cov", labelProvider.getText(elements[0]));

    TestCaseUtils.assertContentsEqual(getInitialCoverageText(), view.getCoverageText());

    Object[] expandedElements = treeViewer.getExpandedElements();
    assertEquals(0, expandedElements.length);
    treeViewer.expandAll();
    expandedElements = treeViewer.getExpandedElements();
    assertEquals(1, expandedElements.length);

    view.executeRefreshAction(new NullProgressMonitor());
    expandedElements = treeViewer.getExpandedElements();
    assertEquals(1, expandedElements.length);

    assertTrue(PyCoveragePreferences.getAllRunsDoCoverage());

    final IWorkbench workBench = PydevPlugin.getDefault().getWorkbench();
    Display display = workBench.getDisplay();

    // Make sure to run the UI thread.
    final PyEdit modCovEditor = (PyEdit) PyOpenEditor.doOpenEditor(modCov);
    try {
        display.syncExec(new Runnable() {
            public void run() {
                LaunchShortcut launchShortcut = new LaunchShortcut();
                launchShortcut.launch(modCovEditor, "run");
            }
        });

        final String modCovCoverageText = StringUtils.replaceNewLines(getModCovCoverageText(), "\n");
        //Should be enough time for the refresh to happen!
        goToManual(10000, new ICallback<Boolean, Object>() {

            public Boolean call(Object arg) {
                return modCovCoverageText.equals(StringUtils.replaceNewLines(view.getCoverageText(), "\n"));
            }
        });

        TestCaseUtils.assertContentsEqual(modCovCoverageText, view.getCoverageText());

        //goToManual();
    } finally {
        try {
            modCovEditor.close(false);
        } catch (Exception e) {
            //ignore anything here
        }
    }

}

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From source file:org.talend.repository.viewer.filter.PerspectiveFilterHelper.java

License:Open Source License

/**
 * Only activate the view content providers with the extension ID belonging to extensionIdsToActivate array.
 * /*from  w  ww .  ja  va  2 s .co  m*/
 * 
 * @param extensionIdsToActivate
 * @param restoring, used because setting new selection cause renentrance and may create 2 action types when
 * restoring state
 */
protected void refreshNavigatorContents(String[] extensionIdsToActivate, boolean restoring) {
    boolean updateExtensionActivation = false;
    String[] contentExtensionsToActivate = Arrays.copyOf(extensionIdsToActivate, extensionIdsToActivate.length);
    // we sort the array in order to use Array.binarySearch();
    Arrays.sort(contentExtensionsToActivate);

    IStructuredSelection ssel = null;
    TreeViewer commonViewer = getTreeViewer();
    INavigatorContentService contentService = getNavigatorContentService();
    try {

        commonViewer.getControl().setRedraw(false);
        // store the selection
        ISelection selection = commonViewer.getSelection();
        if (selection instanceof IStructuredSelection) {
            ssel = (IStructuredSelection) selection;
        }

        INavigatorContentDescriptor[] visibleContentDescriptors = contentService.getVisibleExtensions();

        int indexofContentExtensionIdToBeActivated;
        /* is there a delta? */
        for (int i = 0; i < visibleContentDescriptors.length && !updateExtensionActivation; i++) {
            indexofContentExtensionIdToBeActivated = Arrays.binarySearch(contentExtensionsToActivate,
                    visibleContentDescriptors[i].getId());
            /*
             * Either we have a filter that should be active that isn't XOR a filter that shouldn't be active that
             * is currently
             */
            if (indexofContentExtensionIdToBeActivated >= 0
                    ^ contentService.isActive(visibleContentDescriptors[i].getId())) {
                updateExtensionActivation = true;
            }
        }

        /* If so, update */
        if (updateExtensionActivation) {

            contentService.getActivationService().activateExtensions(contentExtensionsToActivate, true);
            contentService.getActivationService().persistExtensionActivations();
            // try to keep expanded elements state
            Object[] expandedElements = commonViewer.getExpandedElements();

            contentService.update();
            commonViewer.refresh();
            if (!restoring) {
                Object[] originalObjects = ssel != null ? ssel.toArray() : new Object[0];

                commonViewer.setExpandedElements(expandedElements);
                // restore the selection.
                IStructuredSelection newSelection = new StructuredSelection(originalObjects);
                commonViewer.setSelection(newSelection, true);
            }
        }

    } finally {
        commonViewer.getControl().setRedraw(true);
    }

}

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From source file:org.vast.stt.gui.widgets.catalog.SceneTreeDropListener.java

License:Mozilla Public License

protected boolean dropItem(DataItem item) {
    if (item.getName() == null) {
        System.err.println("DataItem name is null in SceneTreeDropListner.  Should not have gotten here.");
        return false;
    }//from  ww w.  j  av  a2 s  .  c  o  m

    DataEntry dropTarget = (DataEntry) this.getCurrentTarget();
    TreeViewer vwr = (TreeViewer) this.getViewer();
    //  If target is a folder, drop into folder and open it
    if (dropTarget instanceof DataFolder) {
        ((DataFolder) dropTarget).add(item);
        item.dispatchEvent(new STTEvent(item, EventType.SCENE_TREE_CHANGED), false);
        //         vwr.reveal(item);  //  vwr.reveal() does not work as advertised in Eclipse 3.1!!!
        vwr.expandToLevel(dropTarget, 2); //  ensure dropped item is visible
        vwr.refresh();
        return true;
    }
    DataTree tree = null;
    //  If target is scene (Un-expanded tree), drop at root of Tree and expand
    if (dropTarget instanceof WorldScene) {
        tree = ((WorldScene) dropTarget).getDataTree();
        tree.add(0, item);
        item.dispatchEvent(new STTEvent(item, EventType.SCENE_TREE_CHANGED), false);
        vwr.expandToLevel(2); //  ensure dropped item is visible
        vwr.refresh();
        return true;
    }

    //  If we get here, WorldScene MUST be expandedElements[0];
    Object[] elems = vwr.getExpandedElements();
    WorldScene scene = (WorldScene) elems[0];
    tree = scene.getDataTree();

    //  Iterate the DataTree to find the target item,
    //  and insert it there, then refresh
    DataEntry entryTmp = null;
    Iterator<DataEntry> it = tree.iterator();
    boolean done = false;
    int index = 0;
    while (it.hasNext() && !done) {
        entryTmp = it.next();
        if (entryTmp instanceof DataFolder) {
            done = recurseFolder((DataFolder) entryTmp, (DataItem) dropTarget, item);
        } else {
            if (entryTmp == dropTarget) {
                tree.add(index, item);
                break;
            }
        }
        index++;
    }
    item.dispatchEvent(new STTEvent(item, EventType.SCENE_TREE_CHANGED), false);
    vwr.refresh();
    return true;
}

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