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:tubame.knowhow.plugin.ui.action.CreateChapterPopupMenuAction.java

License:Apache License

/**
 * {@inheritDoc}//from   w ww.  j a va 2 s  .  c  o m
 */
@Override
public void run() {
    CreateChapterPopupMenuAction.LOGGER.debug(CmnStringUtil.EMPTY);

    InputDialog inputDialog = new InputDialog(PluginUtil.getActiveWorkbenchShell(),
            ResourceUtil.inputChapterSubject, ResourceUtil.inputChapterName, null, null);
    if (inputDialog.open() == InputDialog.OK) {
        // Pretreatment
        TreeViewer entryViewer = (TreeViewer) treeViewer;
        Object[] expandedNodes = entryViewer.getExpandedElements();
        entryViewer.getTree().setRedraw(false);
        // Entry Processing
        List<EntryOperator> entryList = treeViewer.getInputEntry();
        ChapterEntry chapter = new ChapterEntry();
        chapter.setKey(ResourceUtil.dummyChapterID);
        chapter.setName(inputDialog.getValue());
        chapter.setLevel(0);
        entryList.add(chapter);
        treeViewer.setEntryListData(entryList);
        // Post-processing
        treeViewer.refreshTreeViewer(true);
        entryViewer.setExpandedElements(expandedNodes);
        entryViewer.getTree().setRedraw(true);
    }
    CreateChapterPopupMenuAction.LOGGER
            .info(MessagePropertiesUtil.getMessage(MessagePropertiesUtil.LOG_CREATE_CONTEXTMENULIST));
}

From source file:tubame.knowhow.plugin.ui.action.view.EntryElementPasteAction.java

License:Apache License

/**
 * {@inheritDoc}/*from   w ww  .j av  a  2s.  c o  m*/
 */
@Override
public void run() {
    EntryElementPasteAction.LOGGER.debug(CmnStringUtil.EMPTY);
    PortabilityKnowhowListViewOperation clipBordEntry = ClipBoardEntryFacade.getEntry();

    if (selectedEntry != null) {
        treeViewer.addRegisterItem(selectedEntry, rewritingViewOperation(clipBordEntry, selectedEntry));
        treeViewer.setSelectionItem(clipBordEntry);
    } else {
        // TreeViewer display processing
        TreeViewer entryViewer = (TreeViewer) treeViewer;
        entryViewer.getTree().setRedraw(false);
        Object[] expandedNodes = entryViewer.getExpandedElements();
        // Paste data processing
        List<PortabilityKnowhowListViewOperation> operationListDataList = ViewUtil
                .getPortabilityKnowhowListViewOperationList();
        // Rewriting of information
        PortabilityKnowhowListViewOperation knowhowListViewOperation = rewritingViewOperation(clipBordEntry,
                null);
        // Clear parent information explicitly
        knowhowListViewOperation.setParent(null);
        operationListDataList.add(knowhowListViewOperation);
        treeViewer.setEntryListData(operationListDataList);
        // TreeViewer display processing
        entryViewer.setExpandedElements(expandedNodes);
        entryViewer.getTree().setRedraw(true);
        treeViewer.setSelectionItem(knowhowListViewOperation);
    }
    notifyKnowhowEditorDirty(true);
    EntryElementPasteAction.LOGGER
            .info(MessagePropertiesUtil.getMessage(MessagePropertiesUtil.LOG_ELEMENT_PASTE));
}