Java 类org.eclipse.ui.part.PageBookView 实例源码

public static IConsole getConsole(IWorkbenchPart part) {
      if(!(part instanceof IViewPart)){
          return null;
      }

      IViewPart vp =(IViewPart) part;
      if (vp instanceof PageBookView) {
          IPage page = ((PageBookView) vp).getCurrentPage();
          ITextViewer viewer = getViewer(page);
          if (viewer == null || viewer.getDocument() == null)
            return null;
      }

      IConsole con = null;
    try {
        con = ((IConsoleView)part).getConsole();
    } catch (Exception e) {

}

return con;
  }

private ISelection getSelection(IWorkbenchPart part, ISelection selection) {
    // for some reason, selection is empty when we select a revision from the P4 history view
    if (!(part instanceof PageBookView)) {
        return selection;
    }
    IPage page = ((PageBookView)part).getCurrentPage();
    if (!(page instanceof P4HistoryPage)) {
        return selection;
    }
    return getSelection((P4HistoryPage)page);
}

private void refreshPaletteView(final IWorkbenchPart part) {
    final PageBookView paletteView = findPaletteView(part);
    if (paletteView == null) {
        return;
    }
    part.getSite().getWorkbenchWindow().getWorkbench().getDisplay().asyncExec(new Runnable() {
        @Override
        public void run() {
            paletteView.partClosed(part);
            paletteView.partActivated(part);
        }
    });
}

private PageBookView findPaletteView(final IWorkbenchPart part) {
    final IViewReference[] views = part.getSite().getPage().getViewReferences();
    for (final IViewReference view : views) {
        if (PaletteView.ID.equals(view.getId())) {
            return (PageBookView) view.getPart(true);
        }
    }
    return null;
}

public static void log(Class<? extends PageBookView> class1, String string,
        PartInitException e) {
    // TODO Auto-generated method stub

}

/**
 * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
 */
@SuppressWarnings("unchecked")
public Object execute(ExecutionEvent event) throws ExecutionException {
    ITextEditor editor = getTextEditor(event);
    if (editor == null) { 
        if (isWindowCommand()) {
            Object result = checkExecute(event); 
            if (result == Check.Fail) {
                beep();
                result = null;
            }
            return result; 
        } else if (isConsoleCommand()) {
            // intercept and dispatch execution if console supported and used in a console view
            IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
            if (activePart != null && (activePart instanceof IConsoleView) && (activePart instanceof PageBookView)) {
                IPage textPage = ((PageBookView)activePart).getCurrentPage();
                if (textPage instanceof TextConsolePage) {
                    return ((IConsoleDispatch)this).consoleDispatch(((TextConsolePage)textPage).getViewer(),(IConsoleView)activePart,event);
                }               
            }
        }
    }
    try {
        setThisEditor(editor);
        isEditable = getEditable();
        if (editor == null || isBlocked()) {
            beep();
            asyncShowMessage(editor, INEDITABLE_BUFFER, true);
            return null;
        }

        // Retrieve the universal-argument parameter value if passed 
        if (extractUniversalCount(event) != 1) {
            // check if we should dispatch a related command based on the universal argument
            String dispatchId = checkDispatchId(event.getCommand().getId());
            if (dispatchId != null) {
                // recurse on new id (inverse or arg value driven)
                return dispatchId(editor, dispatchId, getParams(event.getCommand(), event.getParameters()));
            }
        }

        setThisDocument(editor.getDocumentProvider().getDocument(editor.getEditorInput()));

        // Get the current selection
        ISelectionProvider selectionProvider = editor.getSelectionProvider();
        ITextSelection selection = (ITextSelection) selectionProvider.getSelection();
        preTransform(editor, selection);
        return transformWithCount(editor, getThisDocument(), selection, event);

    } finally {
        // normal commands clean up here
        if (isTransform()) {
            postExecute();
        }
    }
}