private ActionStatus performSaveAsAction()

in app/src/main/java/com/oracle/javafx/scenebuilder/app/DocumentWindowController.java [1920:2036]
87 lines of code
14 McCabe index (conditional complexity)

    private ActionStatus performSaveAsAction() {
        
        final ActionStatus result;
        if (editorController.canGetFxmlText()) {
            final FileChooser fileChooser = new FileChooser();
            final FileChooser.ExtensionFilter f 
                    = new FileChooser.ExtensionFilter(I18N.getString("file.filter.label.fxml"),
                            "*.fxml"); //NOI18N
            fileChooser.getExtensionFilters().add(f);
            fileChooser.setInitialDirectory(EditorController.getNextInitialDirectory());

            File fxmlFile = fileChooser.showSaveDialog(getStage());
            if (fxmlFile == null) {
                result = ActionStatus.CANCELLED;
            } else {
                boolean forgetSave = false;
                // It is only on Linux where you can get the case the path doesn't
                // end with the extension, thanks the behavior of the FX 8 FileChooser
                // on this specific OS (see RT-31956).
                // Below we ask the user if the extension shall be added or not.
                // See DTL-5948.
                final String path = fxmlFile.getPath();
                if (! path.endsWith(".fxml")) { //NOI18N
                    try {
                        URL alternateURL = new URL(fxmlFile.toURI().toURL().toExternalForm() + ".fxml"); //NOI18N
                        File alternateFxmlFile = new File(alternateURL.toURI());
                        final AlertDialog d = new AlertDialog(getStage());
                        d.setMessage(I18N.getString("alert.save.noextension.message", fxmlFile.getName()));
                        String details = I18N.getString("alert.save.noextension.details");

                        if (alternateFxmlFile.exists()) {
                            details += "\n" //NOI18N
                                    + I18N.getString("alert.save.noextension.details.overwrite", alternateFxmlFile.getName());
                        }

                        d.setDetails(details);
                        d.setOKButtonVisible(true);
                        d.setOKButtonTitle(I18N.getString("alert.save.noextension.savewith"));
                        d.setDefaultButtonID(ButtonID.OK);
                        d.setShowDefaultButton(true);
                        d.setActionButtonDisable(false);
                        d.setActionButtonVisible(true);
                        d.setActionButtonTitle(I18N.getString("alert.save.noextension.savewithout"));

                        switch (d.showAndWait()) {
                            case ACTION:
                                // Nothing to do, we save with the no extension name
                                break;
                            case CANCEL:
                                forgetSave = true;
                                break;
                            case OK:
                                fxmlFile = alternateFxmlFile;
                                break;
                        }
                    } catch (MalformedURLException | URISyntaxException ex) {
                        forgetSave = true;
                    }
                }
                
                // Transform File into URL
                final URL newLocation;
                try {
                    newLocation = fxmlFile.toURI().toURL();
                } catch(MalformedURLException x) {
                    // Should not happen
                    throw new RuntimeException("Bug in " + getClass().getSimpleName(), x); //NOI18N
                }
                
                // Checks if fxmlFile is the name of an already opened document
                final DocumentWindowController dwc
                        = SceneBuilderApp.getSingleton().lookupDocumentWindowControllers(newLocation);
                if (dwc != null && dwc != this) {
                    final Path fxmlPath = Paths.get(fxmlFile.toString());
                    final String fileName = fxmlPath.getFileName().toString();
                    final ErrorDialog d = new ErrorDialog(getStage());
                    d.setMessage(I18N.getString("alert.save.conflict.message", fileName));
                    d.setDetails(I18N.getString("alert.save.conflict.details"));
                    d.showAndWait();
                    result = ActionStatus.CANCELLED;
                } else if (forgetSave) {
                    result = ActionStatus.CANCELLED;
                } else {
                    // Recalculates references if needed
                    // TODO(elp)

                    // First change the location of the fxom document
                    editorController.setFxmlLocation(newLocation);
                    updateLoadFileTime();
                    updateStageTitle();
                    // We use same DocumentWindowController BUT we change its fxml :
                    // => reset document preferences
                    resetDocumentPreferences();
                    
                    watchingController.update();

                    // Now performs a regular save action
                    result = performSaveAction();
                    if (result.equals(ActionStatus.DONE)) {
                        messageBarController.setDocumentDirty(false);
                        saveJob = getEditorController().getJobManager().getCurrentJob();
                    }
                    
                    // Keep track of the user choice for next time
                    EditorController.updateNextInitialDirectory(fxmlFile);

                    // Update recent items with just saved file
                    var recordGlobal = getPreferencesRecordGlobal();
                    recordGlobal.addRecentItem(fxmlFile);
                }
            }
        } else {
            result = ActionStatus.CANCELLED;
        }
        
        return result;
    }