protected void handleMainClassBrowseButtonPressed() {
	List<IResource> resources= JarPackagerUtil.asResources(fJarPackage.getElements());
	if (resources == null) {
		setErrorMessage(JarPackagerMessages.JarManifestWizardPage_error_noResourceSelected);
		return;
	}
	IJavaSearchScope searchScope= JavaSearchScopeFactory.getInstance().createJavaSearchScope(resources.toArray(new IResource[resources.size()]), true);
	SelectionDialog dialog= JavaUI.createMainTypeDialog(getContainer().getShell(), getContainer(), searchScope, 0, false, ""); //$NON-NLS-1$
	dialog.setTitle(JarPackagerMessages.JarManifestWizardPage_mainTypeSelectionDialog_title);
	dialog.setMessage(JarPackagerMessages.JarManifestWizardPage_mainTypeSelectionDialog_message);
	if (fJarPackage.getManifestMainClass() != null)
		dialog.setInitialSelections(new Object[] {fJarPackage.getManifestMainClass()});

	if (dialog.open() == Window.OK) {
		fJarPackage.setManifestMainClass((IType)dialog.getResult()[0]);
		fMainClassText.setText(JarPackagerUtil.getMainClassName(fJarPackage));
	} else if (!fJarPackage.isMainClassValid(getContainer())) {
		// user did not cancel: no types were found
		fJarPackage.setManifestMainClass(null);
		fMainClassText.setText(JarPackagerUtil.getMainClassName(fJarPackage));
	}
}
 

@Override
public void run() {
	Shell shell= JavaPlugin.getActiveWorkbenchShell();
	SelectionDialog dialog= null;
	try {
		dialog= JavaUI.createTypeDialog(shell, new ProgressMonitorDialog(shell),
			SearchEngine.createWorkspaceScope(), IJavaElementSearchConstants.CONSIDER_ALL_TYPES, false);
	} catch (JavaModelException e) {
		String title= getDialogTitle();
		String message= PackagesMessages.GotoType_error_message;
		ExceptionHandler.handle(e, title, message);
		return;
	}

	dialog.setTitle(getDialogTitle());
	dialog.setMessage(PackagesMessages.GotoType_dialog_message);
	if (dialog.open() == IDialogConstants.CANCEL_ID) {
		return;
	}

	Object[] types= dialog.getResult();
	if (types != null && types.length > 0) {
		gotoType((IType) types[0]);
	}
}
 

/**
 * Creates the type hierarchy for type selection.
 */
private void doBrowseTypes() {
	IRunnableContext context= new BusyIndicatorRunnableContext();
	IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
	int style= IJavaElementSearchConstants.CONSIDER_ALL_TYPES;
	try {
		SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), context, scope, style, false, fNameDialogField.getText());
		dialog.setTitle(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title);
		dialog.setMessage(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_description);
		if (dialog.open() == Window.OK) {
			IType res= (IType)dialog.getResult()[0];
			fNameDialogField.setText(res.getFullyQualifiedName('.'));
		}
	} catch (JavaModelException e) {
		ExceptionHandler.handle(e, getShell(), CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title,
				CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_error_message);
	}
}
 

private void browseForBuilderClass() {
	try {
		IJavaSearchScope scope= SearchEngine.createJavaSearchScope(new IJavaElement[] { getType().getJavaProject() });
		SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), PlatformUI.getWorkbench().getProgressService(), scope,
				IJavaElementSearchConstants.CONSIDER_CLASSES, false, "*ToString", fExtension); //$NON-NLS-1$
		dialog.setTitle(JavaUIMessages.GenerateToStringDialog_customBuilderConfig_classSelection_windowTitle);
		dialog.setMessage(JavaUIMessages.GenerateToStringDialog_customBuilderConfig_classSelection_message);
		dialog.open();
		if (dialog.getReturnCode() == OK) {
			IType type= (IType)dialog.getResult()[0];
			fBuilderClassName.setText(type.getFullyQualifiedParameterizedName());
			List<String> suggestions= fValidator.getAppendMethodSuggestions(type);
			if (!suggestions.contains(fAppendMethodName.getText()))
				fAppendMethodName.setText(suggestions.get(0));
			suggestions= fValidator.getResultMethodSuggestions(type);
			if (!suggestions.contains(fResultMethodName.getText()))
				fResultMethodName.setText(suggestions.get(0));
		}
	} catch (JavaModelException e) {
		JavaPlugin.log(e);
	}
}
 

private void doBrowseTypes() {
	IRunnableContext context= new BusyIndicatorRunnableContext();
	IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
	int style= IJavaElementSearchConstants.CONSIDER_ALL_TYPES;
	try {
		SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), context, scope, style, false, fNameDialogField.getText());
		dialog.setTitle(PreferencesMessages.FavoriteStaticMemberInputDialog_ChooseTypeDialog_title);
		dialog.setMessage(PreferencesMessages.FavoriteStaticMemberInputDialog_ChooseTypeDialog_description);
		if (dialog.open() == Window.OK) {
			IType res= (IType) dialog.getResult()[0];
			fNameDialogField.setText(res.getFullyQualifiedName('.'));
		}
	} catch (JavaModelException e) {
		ExceptionHandler.handle(e, getShell(), PreferencesMessages.FavoriteStaticMemberInputDialog_ChooseTypeDialog_title, PreferencesMessages.FavoriteStaticMemberInputDialog_ChooseTypeDialog_error_message);
	}
}
 

private void doBrowseTypes(StringButtonDialogField dialogField) {
	IRunnableContext context= new BusyIndicatorRunnableContext();
	IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
	int style= IJavaElementSearchConstants.CONSIDER_ANNOTATION_TYPES;
	try {
		SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), context, scope, style, false, dialogField.getText());
		dialog.setTitle(PreferencesMessages.NullAnnotationsConfigurationDialog_browse_title);
		dialog.setMessage(PreferencesMessages.NullAnnotationsConfigurationDialog_choose_annotation);
		if (dialog.open() == Window.OK) {
			IType res= (IType) dialog.getResult()[0];
			dialogField.setText(res.getFullyQualifiedName('.'));
		}
	} catch (JavaModelException e) {
		ExceptionHandler.handle(e, getShell(), PreferencesMessages.NullAnnotationsConfigurationDialog_error_title, PreferencesMessages.NullAnnotationsConfigurationDialog_error_message);
	}
}
 

private void doBrowseTypes() {
	IRunnableContext context= new BusyIndicatorRunnableContext();
	IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
	int style= IJavaElementSearchConstants.CONSIDER_ALL_TYPES;
	try {
		SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), context, scope, style, false, fNameDialogField.getText());
		dialog.setTitle(PreferencesMessages.ImportOrganizeInputDialog_ChooseTypeDialog_title);
		dialog.setMessage(PreferencesMessages.ImportOrganizeInputDialog_ChooseTypeDialog_description);
		if (dialog.open() == Window.OK) {
			IType res= (IType) dialog.getResult()[0];
			fNameDialogField.setText(res.getFullyQualifiedName('.'));
		}
	} catch (JavaModelException e) {
		ExceptionHandler.handle(e, getShell(), PreferencesMessages.ImportOrganizeInputDialog_ChooseTypeDialog_title, PreferencesMessages.ImportOrganizeInputDialog_ChooseTypeDialog_error_message);
	}
}
 

public static SelectionDialog getSelectionDialog(String codeSystemName, Shell parent,
	Object data){
	java.util.List<IConfigurationElement> list =
		Extensions.getExtensions(ExtensionPointConstantsUi.GENERICCODE); //$NON-NLS-1$
	list.addAll(Extensions.getExtensions(ExtensionPointConstantsUi.VERRECHNUNGSCODE)); //$NON-NLS-1$
	list.addAll(Extensions.getExtensions(ExtensionPointConstantsUi.DIAGNOSECODE)); //$NON-NLS-1$
	
	if (list != null) {
		for (IConfigurationElement ic : list) {
			Optional<CodeSystemDescription> systemDescription = CodeSystemDescription.of(ic);
			if (systemDescription.isPresent()) {
				if (codeSystemName.equals(systemDescription.get().getCodeSystemName())) {
					return systemDescription.get().getSelectionDialog(parent, data);
				}
			}
			systemDescription.ifPresent(description -> {});
		}
	}
	throw new IllegalStateException("Could not find code system " + codeSystemName);
}
 

@Override
public void run() {
	// fail if the action hasn't been initialized
	if (site == null) {
		return;
	}

	final Object[] selectionElements = getStructuredSelection().toArray();

	// get Iterable of selected project names
	Iterable<String> selectionProjectNames = Arrays.asList(selectionElements)
			.stream().filter(item -> item instanceof IProject)
			.map(item -> ((IProject) item).getName())
			.collect(Collectors.toList());

	// double-check that the active Working Sets Manager is {@link ManualAssociationAwareWorkingSetManager}
	if (!(broker.getActiveManager() instanceof ManualAssociationAwareWorkingSetManager)) {
		return;
	}

	// open the dialog
	SelectionDialog dialog = createDialog(Arrays.asList(((ManualAssociationAwareWorkingSetManager) broker
			.getActiveManager()).getWorkingSets()), selectionElements.length);

	dialog.open();

	// Abort if user didn't press OK
	if (dialog.getReturnCode() != Window.OK) {
		return;
	}

	// perform specified working set updates
	performWorkingSetUpdate(dialog.getResult(), selectionProjectNames);
}
 

protected List<FileOpener> selectOpeners(IWorkbenchPage page, Collection<FileOpener> openers) {
	Shell shell = page.getWorkbenchWindow().getShell();
	SelectionDialog dialog = new FileOpenerSelector(shell, openers);
	if (dialog.open() == Window.OK) {
		List<FileOpener> result = Lists.newArrayList();
		for (Object item : dialog.getResult())
			if (item instanceof FileOpener)
				result.add((FileOpener) item);
		return result;
	}
	return Collections.emptyList();
}
 

public static IProject openProjectDialog(String initialProject, Shell shell) {
	SelectionDialog dialog = createFolderDialog(initialProject, null, true, false, shell);
	if (dialog.open() != Window.OK) {
		return null;
	}
	Object[] results = dialog.getResult();
	if (results != null && results.length > 0) {
		return (IProject) results[0];
	}
	return null;
}
 

public static IResource openFolderDialog(String initialFolder, IProject project, boolean showAllProjects,
		Shell shell) {
	SelectionDialog dialog = createFolderDialog(initialFolder, project, showAllProjects, true, shell);
	if (dialog.open() != Window.OK) {
		return null;
	}
	Object[] results = dialog.getResult();
	if (results != null && results.length > 0) {
		return (IResource) results[0];
	}
	return null;
}
 

/**
 * Creates a selection dialog that lists all packages of the given Java project.
 * The caller is responsible for opening the dialog with <code>Window.open</code>,
 * and subsequently extracting the selected package (of type
 * <code>IPackageFragment</code>) via <code>SelectionDialog.getResult</code>.
 *
 * @param parent the parent shell of the dialog to be created
 * @param project the Java project
 * @param style flags defining the style of the dialog; the valid flags are:
 *   <code>IJavaElementSearchConstants.CONSIDER_BINARIES</code>, indicating that
 *   packages from binary package fragment roots should be included in addition
 *   to those from source package fragment roots;
 *   <code>IJavaElementSearchConstants.CONSIDER_REQUIRED_PROJECTS</code>, indicating that
 *   packages from required projects should be included as well.
 * @param filter the initial pattern to filter the set of packages. For example "com" shows
 * all packages starting with "com". The meta character '?' representing any character and
 * '*' representing any string are supported. Clients can pass an empty string if no filtering
 * is required.
 * @return a new selection dialog
 * @exception JavaModelException if the selection dialog could not be opened
 *
 * @since 2.0
 */
public static SelectionDialog createPackageDialog(Shell parent, IJavaProject project, int style, String filter) throws JavaModelException {
	Assert.isTrue((style | IJavaElementSearchConstants.CONSIDER_BINARIES | IJavaElementSearchConstants.CONSIDER_REQUIRED_PROJECTS) ==
		(IJavaElementSearchConstants.CONSIDER_BINARIES | IJavaElementSearchConstants.CONSIDER_REQUIRED_PROJECTS));

	IPackageFragmentRoot[] roots= null;
	if ((style & IJavaElementSearchConstants.CONSIDER_REQUIRED_PROJECTS) != 0) {
	    roots= project.getAllPackageFragmentRoots();
	} else {
		roots= project.getPackageFragmentRoots();
	}

	List<IPackageFragmentRoot> consideredRoots= null;
	if ((style & IJavaElementSearchConstants.CONSIDER_BINARIES) != 0) {
		consideredRoots= Arrays.asList(roots);
	} else {
		consideredRoots= new ArrayList<IPackageFragmentRoot>(roots.length);
		for (int i= 0; i < roots.length; i++) {
			IPackageFragmentRoot root= roots[i];
			if (root.getKind() != IPackageFragmentRoot.K_BINARY)
				consideredRoots.add(root);

		}
	}

	IJavaSearchScope searchScope= SearchEngine.createJavaSearchScope(consideredRoots.toArray(new IJavaElement[consideredRoots.size()]));
	BusyIndicatorRunnableContext context= new BusyIndicatorRunnableContext();
	if (style == 0 || style == IJavaElementSearchConstants.CONSIDER_REQUIRED_PROJECTS) {
		return createPackageDialog(parent, context, searchScope, false, true, filter);
	} else {
		return createPackageDialog(parent, context, searchScope, false, false, filter);
	}
}
 

protected void handleSealPackagesDetailsButtonPressed() {
	SelectionDialog dialog= createPackageDialog(getPackagesForSelectedResources());
	dialog.setTitle(JarPackagerMessages.JarManifestWizardPage_sealedPackagesSelectionDialog_title);
	dialog.setMessage(JarPackagerMessages.JarManifestWizardPage_sealedPackagesSelectionDialog_message);
	dialog.setInitialSelections(fJarPackage.getPackagesToSeal());
	if (dialog.open() == Window.OK)
		fJarPackage.setPackagesToSeal(getPackagesFromDialog(dialog));
	updateSealingInfo();
}
 

protected void handleUnSealPackagesDetailsButtonPressed() {
	SelectionDialog dialog= createPackageDialog(getPackagesForSelectedResources());
	dialog.setTitle(JarPackagerMessages.JarManifestWizardPage_unsealedPackagesSelectionDialog_title);
	dialog.setMessage(JarPackagerMessages.JarManifestWizardPage_unsealedPackagesSelectionDialog_message);
	dialog.setInitialSelections(fJarPackage.getPackagesToUnseal());
	if (dialog.open() == Window.OK)
		fJarPackage.setPackagesToUnseal(getPackagesFromDialog(dialog));
	updateSealingInfo();
}
 

@Override
public void run() {
	Shell shell= JavaPlugin.getActiveWorkbenchShell();
	SelectionDialog dialog= createAllPackagesDialog(shell);
	dialog.setTitle(getDialogTitle());
	dialog.setMessage(PackagesMessages.GotoPackage_dialog_message);
	dialog.open();
	Object[] res= dialog.getResult();
	if (res != null && res.length == 1)
		gotoPackage((IPackageFragment)res[0]);
}
 

private SelectionDialog createAllPackagesDialog(Shell shell) {
	IProgressService progressService= PlatformUI.getWorkbench().getProgressService();
	IJavaSearchScope scope= SearchEngine.createWorkspaceScope();
	int flag= PackageSelectionDialog.F_HIDE_EMPTY_INNER;
	PackageSelectionDialog dialog= new PackageSelectionDialog(shell, progressService, flag, scope);
	dialog.setFilter(""); //$NON-NLS-1$
	dialog.setIgnoreCase(false);
	dialog.setMultipleSelection(false);
	return dialog;
}
 

private void createRow(final Composite parent, Composite panel,
    final Text text) {
  text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  Button button = new Button(panel, SWT.BORDER);
  button.setText("Browse...");
  button.addListener(SWT.Selection, new Listener() {
    public void handleEvent(Event arg0) {
      try {
        AST ast = AST.newAST(3);

        SelectionDialog dialog = JavaUI.createTypeDialog(parent.getShell(),
            new ProgressMonitorDialog(parent.getShell()), SearchEngine
                .createWorkspaceScope(),
            IJavaElementSearchConstants.CONSIDER_CLASSES, false);
        dialog.setMessage("Select Mapper type (implementing )");
        dialog.setBlockOnOpen(true);
        dialog.setTitle("Select Mapper Type");
        dialog.open();

        if ((dialog.getReturnCode() == Window.OK)
            && (dialog.getResult().length > 0)) {
          IType type = (IType) dialog.getResult()[0];
          text.setText(type.getFullyQualifiedName());
          setDirty(true);
        }
      } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  });
}
 

/**
 * Creates the dialog according to the Eclipse version we have (on 3.2, the old API is used)
 * @param pythonNatures 
 */
public static SelectionDialog create(Shell shell, List<AbstractAdditionalTokensInfo> additionalInfo,
        String selectedText) {
    boolean expectedError = true;
    try {
        GlobalsTwoPanelElementSelector2 newDialog = new GlobalsTwoPanelElementSelector2(shell, true, selectedText);
        //If we were able to instance it, the error is no longer expected!
        expectedError = false;

        newDialog.setElements(additionalInfo);
        return newDialog;
    } catch (Throwable e) {
        //That's OK: it's only available for Eclipse 3.3 onwards.
        if (expectedError) {
            Log.log(e);
        }
    }

    //If it got here, we were unable to create the new dialog (show the old -- compatible with 3.2)
    GlobalsTwoPaneElementSelector dialog;
    dialog = new GlobalsTwoPaneElementSelector(shell);
    dialog.setMessage("Filter");
    if (selectedText != null && selectedText.length() > 0) {
        dialog.setFilter(selectedText);
    }

    List<IInfo> lst = new ArrayList<IInfo>();

    for (AbstractAdditionalTokensInfo info : additionalInfo) {
        lst.addAll(info.getAllTokens());
    }

    dialog.setElements(lst.toArray());
    return dialog;
}
 

private void createRow(final Composite parent, Composite panel,
    final Text text) {
  text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  Button button = new Button(panel, SWT.BORDER);
  button.setText("Browse...");
  button.addListener(SWT.Selection, new Listener() {
    public void handleEvent(Event arg0) {
      try {
        AST ast = AST.newAST(3);

        SelectionDialog dialog = JavaUI.createTypeDialog(parent.getShell(),
            new ProgressMonitorDialog(parent.getShell()), SearchEngine
                .createWorkspaceScope(),
            IJavaElementSearchConstants.CONSIDER_CLASSES, false);
        dialog.setMessage("Select Mapper type (implementing )");
        dialog.setBlockOnOpen(true);
        dialog.setTitle("Select Mapper Type");
        dialog.open();

        if ((dialog.getReturnCode() == Window.OK)
            && (dialog.getResult().length > 0)) {
          IType type = (IType) dialog.getResult()[0];
          text.setText(type.getFullyQualifiedName());
          setDirty(true);
        }
      } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  });
}
 

/**
 * Creates a selection dialog that lists all packages under the given package
 * fragment root.
 * The caller is responsible for opening the dialog with <code>Window.open</code>,
 * and subsequently extracting the selected packages (of type
 * <code>IPackageFragment</code>) via <code>SelectionDialog.getResult</code>.
 *
 * @param packageFragments the package fragments
 * @return a new selection dialog
 */
protected SelectionDialog createPackageDialog(Set<IJavaElement> packageFragments) {
	List<IPackageFragment> packages= new ArrayList<IPackageFragment>(packageFragments.size());
	for (Iterator<IJavaElement> iter= packageFragments.iterator(); iter.hasNext();) {
		IPackageFragment fragment= (IPackageFragment)iter.next();
		boolean containsJavaElements= false;
		int kind;
		try {
			kind= fragment.getKind();
			containsJavaElements= fragment.getChildren().length > 0;
		} catch (JavaModelException ex) {
			ExceptionHandler.handle(ex, getContainer().getShell(), JarPackagerMessages.JarManifestWizardPage_error_jarPackageWizardError_title, Messages.format(JarPackagerMessages.JarManifestWizardPage_error_jarPackageWizardError_message, JavaElementLabels.getElementLabel(fragment, JavaElementLabels.ALL_DEFAULT)));
			continue;
		}
		if (kind != IPackageFragmentRoot.K_BINARY && containsJavaElements)
			packages.add(fragment);
	}
	StandardJavaElementContentProvider cp= new StandardJavaElementContentProvider() {
		@Override
		public boolean hasChildren(Object element) {
			// prevent the + from being shown in front of packages
			return !(element instanceof IPackageFragment) && super.hasChildren(element);
		}
	};
	final DecoratingLabelProvider provider= new DecoratingLabelProvider(new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_DEFAULT), new ProblemsLabelDecorator(null));
	ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(getContainer().getShell(), provider, cp);
	dialog.setDoubleClickSelects(false);
	dialog.setComparator(new JavaElementComparator());
	dialog.setInput(JavaCore.create(JavaPlugin.getWorkspace().getRoot()));
	dialog.addFilter(new EmptyInnerPackageFilter());
	dialog.addFilter(new LibraryFilter());
	dialog.addFilter(new SealPackagesFilter(packages));
	dialog.setValidator(new ISelectionStatusValidator() {
		public IStatus validate(Object[] selection) {
			StatusInfo res= new StatusInfo();
			for (int i= 0; i < selection.length; i++) {
				if (!(selection[i] instanceof IPackageFragment)) {
					res.setError(JarPackagerMessages.JarManifestWizardPage_error_mustContainPackages);
					return res;
				}
			}
			res.setOK();
			return res;
		}
	});
	return dialog;
}
 

private Text createBrowseClassControl(final Composite composite,
    final String string, String browseButtonLabel,
    final String baseClassName, final String dialogTitle) {
  Label label = new Label(composite, SWT.NONE);
  GridData data = new GridData(GridData.FILL_HORIZONTAL);
  label.setText(string);
  label.setLayoutData(data);

  final Text text = new Text(composite, SWT.SINGLE | SWT.BORDER);
  GridData data2 = new GridData(GridData.FILL_HORIZONTAL);
  data2.horizontalSpan = 2;
  text.setLayoutData(data2);

  Button browse = new Button(composite, SWT.NONE);
  browse.setText(browseButtonLabel);
  GridData data3 = new GridData(GridData.FILL_HORIZONTAL);
  browse.setLayoutData(data3);
  browse.addListener(SWT.Selection, new Listener() {
    public void handleEvent(Event event) {
      IType baseType;
      try {
        baseType = getPackageFragmentRoot().getJavaProject().findType(
            baseClassName);

        // edit this to limit the scope
        SelectionDialog dialog = JavaUI.createTypeDialog(
            composite.getShell(), new ProgressMonitorDialog(composite
                .getShell()), SearchEngine.createHierarchyScope(baseType),
            IJavaElementSearchConstants.CONSIDER_CLASSES, false);

        dialog.setMessage("&Choose a type:");
        dialog.setBlockOnOpen(true);
        dialog.setTitle(dialogTitle);
        dialog.open();

        if ((dialog.getReturnCode() == Window.OK)
            && (dialog.getResult().length > 0)) {
          IType type = (IType) dialog.getResult()[0];
          text.setText(type.getFullyQualifiedName());
        }
      } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  });

  if (!showContainerSelector) {
    label.setEnabled(false);
    text.setEnabled(false);
    browse.setEnabled(false);
  }

  return text;
}
 

public void restoreInterpreterInfos(boolean editorChanged,
        Shell shell, IInterpreterManager iInterpreterManager) {
    final Set<String> interpreterNamesToRestore = this.getInterpreterExeOrJarToRestoreAndClear();
    final IInterpreterInfo[] exesList = this.getExesList();

    if (!editorChanged && interpreterNamesToRestore.size() == 0) {
        IWorkbenchWindow workbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
        SelectionDialog listDialog = AbstractInterpreterPreferencesPage.createChooseIntepreterInfoDialog(
                workbenchWindow, exesList,
                "Select interpreters to be restored", true);

        int open = listDialog.open();
        if (open != ListDialog.OK) {
            return;
        }
        Object[] result = listDialog.getResult();
        if (result == null || result.length == 0) {
            return;

        }
        for (Object o : result) {
            interpreterNamesToRestore.add(((IInterpreterInfo) o).getExecutableOrJar());
        }

    }

    //this is the default interpreter
    ProgressMonitorDialog monitorDialog = new AsynchronousProgressMonitorDialog(shell);
    monitorDialog.setBlockOnOpen(false);

    try {
        IRunnableWithProgress operation = new IRunnableWithProgress() {

            @Override
            public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                monitor.beginTask("Restoring PYTHONPATH", IProgressMonitor.UNKNOWN);
                try {
                    pushExpectedSetInfos();
                    //clear all but the ones that appear
                    iInterpreterManager.setInfos(exesList, interpreterNamesToRestore, monitor);
                } finally {
                    popExpectedSetInfos();
                    monitor.done();
                }
            }
        };

        monitorDialog.run(true, true, operation);

    } catch (Exception e) {
        Log.log(e);
    }
}
 

@Override
public void run(IAction action) {
    try {
        PyEdit editor = getPyEdit();
        IPythonNature nature = editor.getPythonNature();
        if (nature != null) {
            IInterpreterManager interpreterManager = nature.getRelatedInterpreterManager();

            final IInterpreterInfo[] interpreterInfos = interpreterManager.getInterpreterInfos();
            if (interpreterInfos == null || interpreterInfos.length == 0) {
                PyDialogHelpers.openWarning("No interpreters available",
                        "Unable to change default interpreter because no interpreters are available (add more interpreters in the related preferences page).");
                return;
            }
            if (interpreterInfos.length == 1) {
                PyDialogHelpers.openWarning("Only 1 interpreters available",
                        "Unable to change default interpreter because only 1 interpreter is configured (add more interpreters in the related preferences page).");
                return;
            }
            // Ok, more than 1 found.
            IWorkbenchWindow workbenchWindow = EditorUtils.getActiveWorkbenchWindow();
            Assert.isNotNull(workbenchWindow);
            SelectionDialog listDialog = AbstractInterpreterPreferencesPage.createChooseIntepreterInfoDialog(
                    workbenchWindow, interpreterInfos,
                    "Select interpreter to be made the default.", false);

            int open = listDialog.open();
            if (open != ListDialog.OK || listDialog.getResult().length != 1) {
                return;
            }
            Object[] result = listDialog.getResult();
            if (result == null || result.length == 0) {
                return;

            }
            final IInterpreterInfo selectedInterpreter = ((IInterpreterInfo) result[0]);
            if (selectedInterpreter != interpreterInfos[0]) {
                // Ok, some interpreter (which wasn't already the default) was selected.
                Arrays.sort(interpreterInfos, (a, b) -> {
                    if (a == selectedInterpreter) {
                        return -1;
                    }
                    if (b == selectedInterpreter) {
                        return 1;
                    }
                    return 0; // Don't change order for the others.
                });

                Shell shell = EditorUtils.getShell();

                setInterpreterInfosWithProgressDialog(interpreterManager, interpreterInfos, shell);
            }
        }
    } catch (Exception e) {
        Log.log(e);
    }
}
 

/**
 * Selects a list of strings from a list of strings
 * 
 * @param history the history that may be selected for execution
 * @return null if none was selected or a list of strings with the commands to be executed
 */
public static List<String> select(final ScriptConsoleHistory history) {

    //created the HistoryElementListSelectionDialog instead of using the ElementListSelectionDialog directly because:
    //1. No sorting should be enabled for choosing the history
    //2. The last element should be the one selected by default
    //3. The list should be below the commands
    //4. The up arrow should be the one used to get focus in the elements
    HistoryElementListSelectionDialog dialog = new HistoryElementListSelectionDialog(Display.getDefault()
            .getActiveShell(), getLabelProvider()) {
        private static final int CLEAR_HISTORY_ID = IDialogConstants.CLIENT_ID + 1;

        @Override
        protected void createButtonsForButtonBar(Composite parent) {
            super.createButtonsForButtonBar(parent);
            createButton(parent, CLEAR_HISTORY_ID, "Clear History", false); //$NON-NLS-1$
        }

        @Override
        protected void buttonPressed(int buttonId) {
            if (buttonId == CLEAR_HISTORY_ID) {
                history.clear();

                // After deleting the history, close the dialog with a cancel return code
                cancelPressed();
            }
            super.buttonPressed(buttonId);
        }
    };

    dialog.setTitle("Command history");
    final List<String> selectFrom = history.getAsList();
    dialog.setElements(selectFrom.toArray(new String[0]));
    dialog.setEmptySelectionMessage("No command selected");
    dialog.setAllowDuplicates(true);
    dialog.setBlockOnOpen(true);
    dialog.setSize(100, 25); //in number of chars
    dialog.setMessage("Select command(s) to be executed");
    dialog.setMultipleSelection(true);

    if (dialog.open() == SelectionDialog.OK) {
        Object[] result = dialog.getResult();
        if (result != null) {
            ArrayList<String> list = new ArrayList<String>();
            for (Object o : result) {
                list.add(o.toString());
            }
            return list;
        }
    }
    return null;
}
 

@Override
public void handleEvent(Event event) {
  valueChanged = false;
  OperationalProperties ops = getOperationalProperties();
  if (event.widget == findButton) {
    String className = null;
    try {
      String implKind = editor.getAeDescription().getFrameworkImplementation();
      if (Constants.CPP_FRAMEWORK_NAME.equals(implKind)) {
        FileDialog dialog = new FileDialog(getSection().getShell(), SWT.NONE);
        String[] extensions = { "*.dll" };
        dialog.setFilterExtensions(extensions);
        String sStartDir = Platform.getLocation().toString();
        dialog.setFilterPath(sStartDir);
        className = dialog.open();

      } else {
        SelectionDialog typeDialog = JavaUI.createTypeDialog(getSection().getShell(), editor
                .getEditorSite().getWorkbenchWindow(), editor.getSearchScopeForDescriptorType(),
                IJavaElementSearchConstants.CONSIDER_CLASSES, false, "*");
        typeDialog.setTitle(MessageFormat.format("Choose the {0} implementation class",
                new Object[] { editor.descriptorTypeString() }));
        typeDialog.setMessage("Filter/mask:");
        if (typeDialog.open() == Window.CANCEL)
          return;
        Object[] result = typeDialog.getResult();
        if (result != null && result.length > 0)
          className = ((IType) result[0]).getFullyQualifiedName();
      }
      if (className == null || className.equals("")) //$NON-NLS-1$
        return;
      implName.setText(className);
      editor.getAeDescription().setAnnotatorImplementationName(className);
      valueChanged = true;
    } catch (JavaModelException e) {
      throw new InternalErrorCDE("unexpected Exception", e);
    }
  } else if (event.widget == modifiesCas) {
    ops.setModifiesCas(setValueChangedBoolean(modifiesCas.getSelection(), ops.getModifiesCas()));
  } else if (event.widget == multipleDeploymentAllowed) {
    ops.setMultipleDeploymentAllowed(setValueChangedBoolean(multipleDeploymentAllowed
            .getSelection(), ops.isMultipleDeploymentAllowed()));
  } else if (event.widget == outputsNewCASes) {
    ops.setOutputsNewCASes(setValueChangedBoolean(outputsNewCASes.getSelection(), ops
            .getOutputsNewCASes()));
  } else if (event.widget == implName) {
    editor.getAeDescription().setAnnotatorImplementationName(
            setValueChanged(implName.getText(), editor.getAeDescription()
                    .getAnnotatorImplementationName()));
  }
  if (valueChanged)
    editor.setFileDirty();
}
 

@Override
public SelectionDialog getSelectionDialog(Shell parent, Object data){
	return new BlockSelektor(parent, data);
}
 

public SelectionDialog getSelectionDialog(Shell parent, Object data){
	return codeSelectorFactory.getSelectionDialog(parent, data);
}
 

public SelectionDialog getSelectionDialog(Shell parent, Object data){
	throw new UnsupportedOperationException(
		"SelectionDialog for code system " + getCodeSystemName() + " not implemented");
}
 

private Text createBrowseClassControl(final Composite composite,
    final String string, String browseButtonLabel,
    final String baseClassName, final String dialogTitle) {
  Label label = new Label(composite, SWT.NONE);
  GridData data = new GridData(GridData.FILL_HORIZONTAL);
  label.setText(string);
  label.setLayoutData(data);

  final Text text = new Text(composite, SWT.SINGLE | SWT.BORDER);
  GridData data2 = new GridData(GridData.FILL_HORIZONTAL);
  data2.horizontalSpan = 2;
  text.setLayoutData(data2);

  Button browse = new Button(composite, SWT.NONE);
  browse.setText(browseButtonLabel);
  GridData data3 = new GridData(GridData.FILL_HORIZONTAL);
  browse.setLayoutData(data3);
  browse.addListener(SWT.Selection, new Listener() {
    public void handleEvent(Event event) {
      IType baseType;
      try {
        baseType = getPackageFragmentRoot().getJavaProject().findType(
            baseClassName);

        // edit this to limit the scope
        SelectionDialog dialog = JavaUI.createTypeDialog(
            composite.getShell(), new ProgressMonitorDialog(composite
                .getShell()), SearchEngine.createHierarchyScope(baseType),
            IJavaElementSearchConstants.CONSIDER_CLASSES, false);

        dialog.setMessage("&Choose a type:");
        dialog.setBlockOnOpen(true);
        dialog.setTitle(dialogTitle);
        dialog.open();

        if ((dialog.getReturnCode() == Window.OK)
            && (dialog.getResult().length > 0)) {
          IType type = (IType) dialog.getResult()[0];
          text.setText(type.getFullyQualifiedName());
        }
      } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  });

  if (!showContainerSelector) {
    label.setEnabled(false);
    text.setEnabled(false);
    browse.setEnabled(false);
  }

  return text;
}