Example usage for org.eclipse.jface.viewers AbstractTreeViewer getExpandedState

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers AbstractTreeViewer getExpandedState.

Prototype

public boolean getExpandedState(Object elementOrTreePath) 

Source Link

Document

Returns whether the node corresponding to the given element or tree path is expanded or collapsed.

Usage

From source file:com.cloudbees.eclipse.dev.ui.views.jobs.JobsContentProvider.java

License:Open Source License

public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
    if (newInput instanceof List
            && (((List) newInput).isEmpty() || ((List) newInput).get(0) instanceof JobHolder)) {
        root = (List<JobHolder>) newInput;
    } else {/*from  w ww .ja v  a 2 s . c om*/
        root = null; // reset
    }

    if (viewer instanceof AbstractTreeViewer) {
        manager = new DeferredTreeContentManager((AbstractTreeViewer) viewer, viewSite) {
            @Override
            protected IDeferredWorkbenchAdapter getAdapter(Object element) {
                IDeferredWorkbenchAdapter ret = super.getAdapter(element);
                if (ret != null) {
                    return ret;
                }

                if (element instanceof JobHolder) {
                    if (((JobHolder) element).job.isFolderOrView()) {
                        return new DeferWrapper((JobHolder) element);
                    }
                }

                return null;
            }

        };

        final AbstractTreeViewer treeViewer = ((AbstractTreeViewer) viewer);

        Object[] expelems = ((AbstractTreeViewer) viewer).getVisibleExpandedElements();
        expList.clear();
        expList.addAll(Arrays.asList(expelems));

        IJobChangeListener listener = new JobChangeAdapter() {
            @Override
            public void done(IJobChangeEvent event) {
                if (event.getResult().isOK()) {
                    // try to expand the state again
                    PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
                        public void run() {

                            if (expList.size() == 0) {
                                // all good, managed to expand all previous nodes
                                return;
                            }

                            for (Object o : expList) {
                                treeViewer.setExpandedState(o, true);
                            }

                            List<Object> toremove = new ArrayList<Object>();
                            for (Object o : expList) {
                                if (treeViewer.getExpandedState(o)) {
                                    toremove.add(o);
                                }
                            }
                            expList.removeAll(toremove);

                        }
                    });
                }
            }
        };

        manager.addUpdateCompleteListener(listener);

    }

}

---

From source file:org.eclipse.team.internal.ccvs.ui.CVSCompareEditorInput.java

License:Open Source License

public Viewer createDiffViewer(Composite parent) {
    final Viewer viewer = super.createDiffViewer(parent);
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            CompareConfiguration cc = getCompareConfiguration();
            setLabels(cc, (IStructuredSelection) event.getSelection());
        }/* w w  w  .  j a v a 2  s  .co m*/
    });
    ((StructuredViewer) viewer).addOpenListener(new IOpenListener() {
        public void open(OpenEvent event) {
            ISelection selection = event.getSelection();
            if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
                Object o = ((IStructuredSelection) selection).getFirstElement();
                if (o instanceof DiffNode) {
                    updateLabelsFor((DiffNode) o);
                }
            }
        }
    });
    ((StructuredViewer) viewer).addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            ISelection selection = event.getSelection();
            if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
                Object o = ((IStructuredSelection) selection).getFirstElement();
                if (o instanceof DiffNode) {
                    DiffNode diffNode = ((DiffNode) o);
                    if (diffNode.hasChildren()) {
                        AbstractTreeViewer atv = ((AbstractTreeViewer) viewer);
                        atv.setExpandedState(o, !atv.getExpandedState(o));
                    }
                }
            }
        }
    });
    return viewer;
}

---

From source file:org.eclipse.team.internal.ui.synchronize.AbstractTreeViewerAdvisor.java

License:Open Source License

/**
 * Handles a double-click event from the viewer. Expands or collapses a folder when double-clicked.
 * //from  w w  w. j  av a  2s  .  c  om
 * @param viewer the viewer
 * @param event the double-click event
 */
protected boolean handleDoubleClick(StructuredViewer viewer, DoubleClickEvent event) {
    if (super.handleDoubleClick(viewer, event))
        return true;
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    Object element = getFirstElementOrPath(selection);
    AbstractTreeViewer treeViewer = (AbstractTreeViewer) getViewer();
    if (element != null) {
        if (treeViewer.getExpandedState(element)) {
            treeViewer.collapseToLevel(element, AbstractTreeViewer.ALL_LEVELS);
        } else {
            expandToNextDiff(element);
        }
    }
    return true;
}

---

From source file:org.pwsafe.passwordsafeswt.listener.ViewerDoubleClickListener.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)
 */// w w  w. j  a va 2s .c  o m
public void doubleClick(final DoubleClickEvent dce) {
    if (dce.getSelection() instanceof ITreeSelection) {
        final ITreeSelection treeSelection = (ITreeSelection) dce.getSelection();
        final AbstractTreeViewer treeViewer = (AbstractTreeViewer) dce.getSource();
        boolean state = treeViewer.getExpandedState(treeSelection.getPaths()[0]);
        treeViewer.setExpandedState(treeSelection.getPaths()[0], !state);
    }
    if (UserPreferences.getInstance().getBoolean(JpwPreferenceConstants.DOUBLE_CLICK_COPIES_TO_CLIPBOARD)) {
        cpa.run();
    } else {
        era.run();
    }
}

---