Example usage for org.eclipse.jface.viewers TreePath EMPTY

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers TreePath EMPTY.

Prototype

TreePath EMPTY

To view the source code for org.eclipse.jface.viewers TreePath EMPTY.

Click Source Link

Document

Constant for representing an empty tree path.

Usage

From source file:BMVirtualFindAction.java

License:Open Source License

protected VirtualTreeModelViewer initVirtualViewer(TreeModelViewer clientViewer,
        VirtualViewerListener listener) {
    Object input = clientViewer.getInput();
    ModelDelta stateDelta = new ModelDelta(input, IModelDelta.NO_CHANGE);
    clientViewer.saveElementState(TreePath.EMPTY, stateDelta, IModelDelta.EXPAND);
    listener.fRemainingUpdatesCount = calcUpdatesCount(stateDelta);
    VirtualTreeModelViewer fVirtualViewer = new VirtualTreeModelViewer(clientViewer.getDisplay(), SWT.NONE,
            makeVirtualPresentationContext(clientViewer.getPresentationContext()));
    fVirtualViewer.addViewerUpdateListener(listener);
    fVirtualViewer.addLabelUpdateListener(listener);
    fVirtualViewer.setInput(input);//from  ww  w. j  ava  2s  .  co m
    if (fVirtualViewer.canToggleColumns()) {
        fVirtualViewer.setShowColumns(clientViewer.isShowColumns());
    }
    fVirtualViewer.updateViewer(stateDelta);
    return fVirtualViewer;
}

From source file:BMVirtualFindAction.java

License:Open Source License

protected void setSelectionToClient(VirtualTreeModelViewer virtualViewer, ILabelProvider labelProvider,
        VirtualItem findItem) {/*from  w  w  w  .  j a v a  2s .  co  m*/
    virtualViewer.getTree().setSelection(new VirtualItem[] { findItem });
    ModelDelta stateDelta = new ModelDelta(virtualViewer.getInput(), IModelDelta.NO_CHANGE);
    virtualViewer.saveElementState(TreePath.EMPTY, stateDelta, IModelDelta.SELECT);
    fClientViewer.updateViewer(stateDelta);

    ISelection selection = fClientViewer.getSelection();
    if (!selection.isEmpty() && selection instanceof IStructuredSelection
            && ((IStructuredSelection) selection).getFirstElement().equals(findItem.getData())) {
    } else {
        DebugUIPlugin.errorDialog(fClientViewer.getControl().getShell(), "Error",
                "Could not select item:" + labelProvider.getText(findItem),
                new Status(IStatus.ERROR, DebugUIPlugin.getUniqueIdentifier(), "Element no longer in viewer."));
    }
}

From source file:BMVirtualFindAction.java

License:Open Source License

public void update() {
    setEnabled(fClientViewer.getInput() != null && fClientViewer.getChildCount(TreePath.EMPTY) > 0);
}

From source file:com.openMap1.mapper.views.ClassModelView.java

/**
 * @param qualifiedClassName the package name and class name of the class whose mapping has been selected
 *///  w  ww.  j a v a2s . c o  m
public void showMappedClass(String qualifiedClassName, String subset) {
    // RMIM case; find the named LabelledEClass and expand to it
    if ((isRMIMRoot(ecoreRoot)) && (subset != null)) {
        TreePath startPath = TreePath.EMPTY.createChildPath(topLabelledEClass);
        if (parameterClassName() != null)
            startPath = extendToParameterClass(startPath, parameterClassName());
        TreePath namedPath = findLabelledPath(qualifiedClassName, subset, startPath);
        if (namedPath != null) {
            viewer.setSelection(new TreeSelection(namedPath), true); // make it visible
        } else {
            System.out.println("Null tree path");
        }
    }

    // non-RMIM case; find the named EClass and expand to it
    if (!(isRMIMRoot(ecoreRoot))) {
        EClass namedClass = ModelUtil.getNamedClass(ecoreRoot, qualifiedClassName);
        if (namedClass != null) {
            viewer.expandToLevel(namedClass, 0);
            viewer.setSelection(new StructuredSelection(namedClass));
        }
    }
}

From source file:com.openMap1.mapper.views.ClassModelView.java

/**
 * /*w ww  .  j  a va  2  s . c om*/
 * @param path
 * @return the treePath of LabelledEClasses got by following a string path,
 * or null if it cannot be followed
 */
private TreePath getLabelledTreePath(String path) {
    TreePath result = null;
    if (path != null) {
        StringTokenizer steps = new StringTokenizer(path, "/");
        String topName = steps.nextToken(); // check the first step, which should be the name of the top class
        if (topName.equals(topLabelledEClass.eClass().getName())) {
            result = TreePath.EMPTY.createChildPath(topLabelledEClass);
            LabelledEClass currentClass = topLabelledEClass;
            while ((steps.hasMoreTokens()) && (currentClass != null)) {
                String step = steps.nextToken();
                currentClass = currentClass.getNamedAssocChild(step);
                if (currentClass != null)
                    result = result.createChildPath(currentClass);
                else
                    result = null;
            }
        }
    }
    return result;
}

From source file:com.palantir.typescript.text.OutlinePage.java

License:Apache License

private List<TreePath> mapTreePaths(List<NavigationBarItem> lexicalStructure) {
    ImmutableList.Builder<TreePath> treePaths = ImmutableList.builder();

    for (TreePath treePath : this.getTreeViewer().getExpandedTreePaths()) {
        TreePath newTreePath = TreePath.EMPTY;

        for (int i = 0; i < treePath.getSegmentCount(); i++) {
            NavigationBarItem segment = (NavigationBarItem) treePath.getSegment(i);
            NavigationBarItem newSegment = mapSegment(lexicalStructure, segment);
            if (newSegment != null) {
                newTreePath = newTreePath.createChildPath(newSegment);
            }/*ww  w.  j  a v a  2s . co m*/
        }

        treePaths.add(newTreePath);
    }

    return treePaths.build();
}

From source file:de.walware.ecommons.workbench.search.ui.TextSearchResultTreeContentProvider.java

License:Open Source License

protected void addElement(final TreeViewer viewer, final E element, final int idx) {
    viewer.insert(TreePath.EMPTY, element, idx);
}

From source file:de.walware.ecommons.workbench.search.ui.TextSearchResultTreeContentProvider.java

License:Open Source License

protected void removeElement(final TreeViewer viewer, final E element, final int idx) {
    viewer.remove(TreePath.EMPTY, idx);
}

From source file:de.walware.statet.r.internal.ui.search.RElementSearchResultTreeContentProvider.java

License:Open Source License

protected void doAdd(final TreeViewer viewer, final Object element) {
    final Object parent = getParent(element);
    SortedListSet<Object> children = this.levelChildren.get(parent);
    if (children == null) {
        if (parent != null) {
            doAdd(viewer, parent);// w w w.j a v a 2 s.c  o m
        }
        children = new SortedArraySet<Object>(NO_ELEMENTS, new LevelComparator());
        this.levelChildren.put(parent, children);
    }
    final int idx;
    if ((idx = children.addE(element)) >= 0) {
        if (viewer != null) {
            viewer.insert((parent != null) ? parent : TreePath.EMPTY, element, idx);
        }
    }
}

From source file:net.sourceforge.tagsea.core.ui.tags.TagsView.java

License:Open Source License

/**
 * @param tag/*from w ww.ja va2s .  co  m*/
 * @return
 */
private TreePath createTreePath(ITag tag) {
    String[] segments = tag.getName().split("\\.");
    boolean flat = !TagSEAPlugin.getDefault().getPreferenceStore()
            .getBoolean(ITagSEAPreferences.TAGS_VIEW_TREE);
    TagTreeItem parent = null;
    String parentName = "";
    TreePath path = TreePath.EMPTY;
    for (String segment : segments) {
        TagTreeItem item = new TagTreeItem(parentName + segment, parent, flat);
        parentName = item.getName() + ".";
        path = path.createChildPath(item);
        parent = item;
    }
    return path;
}