调用eclipse自身OpenType

import org.eclipse.jdt.internal.ui.JavaPlugin;import org.eclipse.jdt.internal.ui.JavaUIMessages;import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog;import org.eclipse.jdt.internal.ui.search.JavaSearchScopeFactory;import org.eclipse.ui.IWorkingSet;import org.eclipse.ui.PlatformUI;public class OpenTypeDialog extends OpenTypeSelectionDialog {public OpenTypeDialog(IWorkingSet ws) {super(JavaPlugin.getActiveWorkbenchShell(), true, PlatformUI.getWorkbench().getProgressService(), JavaSearchScopeFactory.getInstance().createJavaSearchScope(ws, true), 0);setTitle(JavaUIMessages.OpenTypeAction_dialogTitle);setMessage(JavaUIMessages.OpenTypeAction_dialogMessage);applyFilter();}public OpenTypeDialog(IWorkingSet ws, String searchText) {this(ws);setInitialPattern(searchText);}}

IProject[] projects = new IProject[] { project };IAdaptable[] elements = new IAdaptable[projects.length];for (int i = 0; i < elements.length; i++) {elements[i] = projects[i];}IWorkingSet ws = new WorkingSet("source", "source", elements);SelectionDialog dialog = new OpenTypeDialog(ws);int result = dialog.open();if (result != IDialogConstants.OK_ID)return;Object[] obj = dialog.getResult();if (obj == null || obj.length == 0)return;String className = null;String packageName = null;for (Object objs : obj) {className = ((SourceType) objs).getElementName();PackageFragment packet = (PackageFragment) ((SourceType) objs).getParent().getParent();packageName = packet.getElementName();}