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.amazonaws.eclipse.cloudformation.templates.editor.TemplateContentOutlinePage.java

License:Apache License

private void updateContent() {
    TreeViewer viewer = getTreeViewer();

    if (document.getModel() == null)
        return;// ww w  .j a  va2s . c o m

    expandedPaths = new HashSet<String>();
    for (Object obj : viewer.getExpandedElements()) {
        TemplateOutlineNode expandedNode = (TemplateOutlineNode) obj;
        expandedPaths.add(expandedNode.getNode().getPath());
    }

    viewer.setInput(new TemplateOutlineNode("ROOT", document.getModel()));

    for (TreeItem treeItem : viewer.getTree().getItems()) {
        expandTreeItems(treeItem, expandedPaths);
    }
}

From source file:com.android.ide.eclipse.adt.internal.editors.layout.gle2.OutlinePage.java

License:Open Source License

/**
 * Invoked by {@link LayoutCanvas} to set the model (a.k.a. the root view info).
 *
 * @param rootViewInfo The root of the view info hierarchy. Can be null.
 *///  w  w  w. j av a 2 s  .c o m
public void setModel(CanvasViewInfo rootViewInfo) {
    if (!mActive) {
        return;
    }

    mRootWrapper.setRoot(rootViewInfo);

    TreeViewer tv = getTreeViewer();
    if (tv != null && !tv.getTree().isDisposed()) {
        Object[] expanded = tv.getExpandedElements();
        tv.refresh();
        tv.setExpandedElements(expanded);
        // Ensure that the root is expanded
        tv.expandToLevel(rootViewInfo, 2);
    }
}

From source file:com.android.ide.eclipse.adt.internal.editors.layout.gle2.OutlinePage2.java

License:Open Source License

/**
 * Invoked by {@link LayoutCanvas} to set the model (aka the root view info).
 *
 * @param rootViewInfo The root of the view info hierarchy. Can be null.
 *//*  w  ww.  j a v  a  2s  . c  o  m*/
public void setModel(CanvasViewInfo rootViewInfo) {
    mRootWrapper.setRoot(rootViewInfo);

    TreeViewer tv = getTreeViewer();
    if (tv != null) {
        Object[] expanded = tv.getExpandedElements();
        tv.refresh();
        tv.setExpandedElements(expanded);
    }
}

From source file:com.aptana.deploy.wizard.DeployWizardPage.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.
 *//*w w  w. j av a2 s.  c o  m*/
protected void storeExpandedCategories(String setting, TreeViewer viewer) {
    Object[] expandedElements = viewer.getExpandedElements();
    List<String> expandedElementPaths = new ArrayList<String>(expandedElements.length);
    for (Object element : expandedElements) {
        if (element instanceof IWizardCategory) {
            expandedElementPaths.add(((IWizardCategory) element).getPath().toString());
        }
    }
    getDialogSettings().put(setting, expandedElementPaths.toArray(new String[expandedElementPaths.size()]));
}

From source file:com.aptana.editor.common.internal.commands.ExpandCollapseAllHandlerTest.java

License:Open Source License

@Ignore("This assumes that the bundles are loaded and the folding is set up")
@Test//from  w  ww. java2s. com
public void testExecute() throws Exception {

    // Create an open an HTML file
    createAndOpenFile("example" + System.currentTimeMillis() + ".html",
            "<html>\n<head>\n<title>Title goes here</title>\n</head>\n<body>\n<div>\n<p>Hi</p>\n</div>\n</body>");
    // Open the Outline view
    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    IWorkbenchPage page = window.getActivePage();
    IViewPart outline = page.showView(IPageLayout.ID_OUTLINE);

    // Grab tree viewer for outline contents
    IPage curPage = ((ContentOutline) outline).getCurrentPage();
    CommonOutlinePage outlinePage = (CommonOutlinePage) curPage;
    Method m = ContentOutlinePage.class.getDeclaredMethod("getTreeViewer");
    m.setAccessible(true);
    TreeViewer treeViewer = (TreeViewer) m.invoke(outlinePage);
    Thread.sleep(500);

    // Grab the handler service to execute our command
    IHandlerService service = (IHandlerService) outline.getSite().getService(IHandlerService.class);
    service.executeCommand(EXPAND_ALL_COMMAND_ID, null);

    // check expansion state, should be expanded
    Object[] expanded = treeViewer.getExpandedElements();
    assertEquals(4, expanded.length); // html, head, body, div

    // toggle expansion
    service.executeCommand(COLLAPSE_ALL_COMMAND_ID, null);

    // check expansion state
    expanded = treeViewer.getExpandedElements();
    assertEquals(0, expanded.length); // collapsed

    // toggle expansion
    service.executeCommand(EXPAND_ALL_COMMAND_ID, null);

    // check expansion state
    expanded = treeViewer.getExpandedElements();
    assertEquals(4, expanded.length); // html, head, body, div
}

From source file:com.bdaum.zoom.ui.internal.dialogs.EditMetaDialog.java

License:Open Source License

private void addKeywordToViewer(TreeViewer viewer, String kw, boolean select) {
    if (keywords.add(kw)) {
        if (flatKeywordGroup.isFlat())
            viewer.add(null, kw);//from   w  w w  .j  av  a2 s. c o  m
        else {
            Object[] expandedElements = viewer.getExpandedElements();
            viewer.setInput(keywords);
            viewer.setExpandedElements(expandedElements);
        }
    }
    if (select)
        keywordViewer.setSelection(new StructuredSelection(kw));
}

From source file:com.bdaum.zoom.ui.internal.dialogs.EditMetaDialog.java

License:Open Source License

private void removeKeywordFromViewer(TreeViewer viewer, String kw) {
    if (keywords.remove(kw)) {
        if (flatKeywordGroup.isFlat())
            viewer.remove(kw);//from w w w .  j av a  2  s  .com
        else {
            Object[] expandedElements = viewer.getExpandedElements();
            viewer.setInput(keywords);
            viewer.setExpandedElements(expandedElements);
        }
    }
}

From source file:com.microsoft.tfs.client.common.ui.teamexplorer.sections.TeamExplorerPendingChangesTreeState.java

License:Open Source License

private Set<String> getCollapsedSubpaths(final TreeViewer treeViewer) {
    if (treeViewer == null) {
        return null;
    }//from  w w w  . j  av a 2  s  .co m
    final PendingChangesTree tree = (PendingChangesTree) treeViewer.getInput();
    if (tree == null || tree.getRoots() == null) {
        return null;
    }

    final Set<String> nodeSet = new HashSet<String>();
    final LinkedList<PendingChangesTreeNode> nodeQueue = new LinkedList<PendingChangesTreeNode>();
    nodeQueue.addAll(Arrays.asList(tree.getRoots()));
    while (nodeQueue.size() > 0) {
        final PendingChangesTreeNode n = nodeQueue.poll();
        nodeSet.add(n.getSubpath());
        final PendingChangesTreeNode[] childNodes = n.getChildren();
        if (childNodes.length > 0) {
            nodeQueue.addAll(Arrays.asList(childNodes));
        }
    }

    final Object[] elements = treeViewer.getExpandedElements();
    for (final Object o : elements) {
        if (o instanceof PendingChangesTreeNode) {
            final PendingChangesTreeNode node = (PendingChangesTreeNode) o;
            nodeSet.remove(node.getSubpath());
        }
    }
    return nodeSet;
}

From source file:com.microsoft.tfs.client.common.ui.teamexplorer.sections.TeamExplorerWorkItemsQueriesState.java

License:Open Source License

public TeamExplorerWorkItemsQueriesState(final TreeViewer treeViewer) {
    if (treeViewer == null) {
        this.expandedElements = null;
    } else {//from   w  w  w.  jav a2 s.c om
        this.expandedElements = treeViewer.getExpandedElements();
    }
}

From source file:com.microsoft.tfs.client.common.ui.teamexplorer.sections.TeamExplorerWorkItemsQueriesState.java

License:Open Source License

public void updateTreeState(final TreeViewer treeViewer) {
    if (treeViewer == null) {
        this.expandedElements = null;
    } else {//from www . j  a  v a  2 s  .  c  o m
        this.expandedElements = treeViewer.getExpandedElements();
    }
}