aswi2020horky-gitlab/project/Deserializer/src/Deserializer.java @ c0411a5e

import java.io.File;
import java.net.URL;
import java.util.concurrent.atomic.AtomicReference;

import io.FileWorker;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Insets;
import javafx.geometry.Orientation;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.Separator;
import javafx.scene.control.SeparatorMenuItem;
import javafx.scene.effect.BlendMode;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.Clipboard;
import javafx.scene.input.DataFormat;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyCodeCombination;
import javafx.scene.input.KeyCombination;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Priority;
import javafx.scene.layout.Region;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

/**
 * VM arguments for Java 11: --module-path libs\javafx-sdk-11.0.2\lib --add-modules=javafx.controls
 */
public class Deserializer extends Application implements IConversionResults {
	
	public static boolean blockFocusProperty = false;
	
	private Stage stage;
	private Label fullScreen;
	
	private WebEngine webEngine;
	private VBox outputLayout;
	
	private ProgressIndicator clipBoardIndicator;
	private Label clipBoardResults;
	private Button setInputFromCB;
	private String lastClipBoardData;
	
	private Converter converter;
	private AtomicReference<jDeserializeResults> results;
	
	// TODO delete after deserializer debugging is complete...
	private File defaultInput = new File("a2");
	private File defaultOutput = new File("results.json");
	private boolean testing;
	
	@Override
	public void init() throws Exception {
		super.init();
		testing = false;
		lastClipBoardData = null;
		converter = new Converter(this);
		converter.start();
		results = new AtomicReference<jDeserializeResults>(new jDeserializeResults());
	}
	
	@Override
	public void stop() throws Exception {
		super.stop();
		converter.end();
		converter.join();
	}
	
	@Override
	public void start(Stage stage) throws Exception {
		this.stage = stage;
		stage.getIcons().add(new Image(getResource("logo.png")));
		stage.setTitle("Java Object Universal Deserializer");
		stage.setScene(createScene());
		stage.setMinWidth(400);
		stage.show();
        
		stage.fullScreenProperty().addListener((obs, oldState, newState) -> {
			changeFullScreenMenuItem();
		});
		
		stage.focusedProperty().addListener(new ChangeListener<Boolean>() {
			@Override
			public void changed(ObservableValue<? extends Boolean> obs, Boolean oldValue, Boolean newValue) {
				if (newValue && !blockFocusProperty) {
					// Available data formats.
					/*Set<DataFormat> types = Clipboard.getSystemClipboard().getContentTypes();
					System.out.println("Detected types: " + types.size());
			    	for (DataFormat s : types) {
			    		System.out.println(s);
			    	}*/
			    	
					DataFormat df = DataFormat.lookupMimeType("text/plain");
			    	if (df != null) {
			    		String data = (String) Clipboard.getSystemClipboard().getContent(df);
			    		
			    		if (lastClipBoardData == null) {
		    				lastClipBoardData = data;
		    			} else if (data.equals(lastClipBoardData)) {
		    				return;
		    			}
		    			
		    			changeIndicatorState(false, false);
			    		setInputFromCB.setDisable(true);
			    		converter.setInput(null, data, true);
			    	}
				}
			}
		});
	}
	
	private Scene createScene() {
		createMenu();
		Scene scene = new Scene(createLayout());
		scene.getStylesheets().add(getResource("main.css"));
		return scene;
	}
	
	private Parent createLayout() {
		BorderPane layout = new BorderPane();
		
		layout.setTop(createMenu());
		layout.setCenter(createBodyLayout());
		
		return layout;
	}
	
	private Parent createBodyLayout() {
		Label forInputFile = new Label("Soubor k deserializaci:");
		Label inputFile;
		if (!testing) {
			inputFile = new Label("    Ještě nebyl vybrán žádný soubor...");
			inputFile.setStyle("-fx-font-style: italic;");
		} else {
			inputFile = new Label(defaultOutput.getAbsolutePath());
			inputFile.setStyle("-fx-font-weight: bold;");
		}
		inputFile.setPrefWidth(500); // Value to cut the text.
		inputFile.setMaxWidth(Double.MAX_VALUE);
		
		Button setInputFile = new Button("Vstupní soubor");
		setInputFile.setOnAction(event -> {
			Deserializer.blockFocusProperty = true; // TODO Prohibition to process the selected file.
			if (testing) {
				converter.setInput(defaultInput, null, false);
			} else {
				FileChooser fCh = new FileChooser();
				fCh.setInitialDirectory(new File("."));
				// The input can be a zip file or file without a specific extension -> file chooser without extension filters...
				// fCh.getExtensionFilters().add(new FileChooser.ExtensionFilter("Binary Files", "*.out"));
				File file = fCh.showOpenDialog(stage);
				if (file != null) {
					setOutputLayoutDisabled(true);
					
					inputFile.setText(file.getAbsolutePath());
					inputFile.setStyle("-fx-font-weight: bold;");
					
					converter.setInput(file, null, false);
				}
			}
			Deserializer.blockFocusProperty = false;
		});
		
		HBox bIF = new HBox();
		bIF.setAlignment(Pos.CENTER_RIGHT);
		bIF.getChildren().add(setInputFile);
		
		VBox forInput = new VBox();
		forInput.setSpacing(5.0);
		forInput.getChildren().addAll(forInputFile, inputFile, bIF);
		
		
		clipBoardIndicator = new ProgressIndicator();
		clipBoardIndicator.setMaxSize(38, 38);
		clipBoardIndicator.setVisible(false);
		clipBoardResults = new Label();
		clipBoardResults.setMaxSize(38, 38);
		clipBoardResults.setVisible(false);
		HBox clipBoardStateLayout = new HBox();
		clipBoardStateLayout.setSpacing(0);
		clipBoardStateLayout.setMinSize(38, 38);
		clipBoardStateLayout.setMaxSize(38, 38);
		clipBoardStateLayout.getChildren().addAll(clipBoardResults, clipBoardIndicator);
		
		Label forClipBoardInput = new Label("Vstup ze schránky");
		setInputFromCB = new Button("Použít");
		setInputFromCB.setOnAction(event -> {
			setInputFromCB.setDisable(true);
			results.get().merge();
			webEngine.loadContent(results.get().getHtml(), "text/html");
			setOutputLayoutDisabled(false);
		});
		setInputFromCB.setDisable(true);
		
		HBox indicatorLayout = new HBox();
		Region region2 = new Region();
        HBox.setHgrow(region2, Priority.ALWAYS);
		indicatorLayout.getChildren().addAll(forClipBoardInput, region2, clipBoardStateLayout);
		
		HBox bInputCB = new HBox();
		bInputCB.setAlignment(Pos.CENTER_RIGHT);
		bInputCB.getChildren().add(setInputFromCB);
		
		VBox forInput2 = new VBox();
		forInput2.setSpacing(5.0);
		forInput2.setMinWidth(175);
		forInput2.getChildren().addAll(indicatorLayout, bInputCB);
		
		
		
		Label forOutputFile = new Label("Výstupní soubor:");
		Label outputFile;
		if (!testing) {
			outputFile = new Label("    Ještě nebyl vybrán žádný soubor...");
			outputFile.setStyle("-fx-font-style: italic;");
		} else {
			outputFile = new Label(defaultOutput.getAbsolutePath());
			outputFile.setStyle("-fx-font-weight: bold;");
		}
		
		Button setOutputFile = new Button("Uložit");
		setOutputFile.setOnAction(event -> {
			Deserializer.blockFocusProperty = true; // TODO Prohibition to process the selected file.
			File jsonFile = null;
			
			if (testing) {
				jsonFile = defaultOutput;
			} else {
				FileChooser fCh = new FileChooser();
				fCh.setInitialDirectory(new File("."));
				fCh.getExtensionFilters().add(new FileChooser.ExtensionFilter("JSON Files", "*.json"));
				File file = fCh.showSaveDialog(stage);
				if (file != null) {
					jsonFile = file;
					outputFile.setText(file.getAbsolutePath());
					outputFile.setStyle("-fx-font-weight: bold;");
				}
			}
			
			if (jsonFile != null && results.get().contains(false)) {
				String title = "Uložení JSON";
				try {
					FileWorker.saveJson(jsonFile, results.get().getJson());
					Report.info(title, null, "Uložení JSON souboru proběhlo v pořádku.");
				} catch (Exception e) {
					Report.error(title, null, "Při ukládání JSON souboru nastala chyba.");
				}
			}
			Deserializer.blockFocusProperty = false;
		});
		
		HBox bOF = new HBox();
		bOF.setAlignment(Pos.CENTER_RIGHT);
		bOF.getChildren().add(setOutputFile);
		
		outputLayout = new VBox();
		outputLayout.setSpacing(5.0);
		outputLayout.getChildren().add(forOutputFile);
		outputLayout.getChildren().add(outputFile);
		outputLayout.getChildren().add(bOF);
		setOutputLayoutDisabled(true);
		
		

        WebView resultantJson = new WebView();
		resultantJson.setPrefHeight(400);
		webEngine = resultantJson.getEngine();
		resultantJson.setBlendMode(BlendMode.DARKEN);
		
		
		
		
		HBox header = new HBox();
		header.setSpacing(10.0);
		HBox.setHgrow(forInput, Priority.ALWAYS);
		header.getChildren().addAll(forInput, new Separator(Orientation.VERTICAL), forInput2);
		
		
		
		VBox layout = new VBox();
		layout.setPadding(new Insets(10.0));
		layout.setSpacing(10.0);
		VBox.setVgrow(resultantJson, Priority.ALWAYS);
		layout.getChildren().addAll(header, new Separator(), resultantJson, new Separator(), outputLayout);
		
		return layout;
	}
	
	private Node createMenu() {
		Menu menu = new Menu("Aplikace");
		
		MenuItem fullScreen = createMenuItem(null, null, new KeyCodeCombination(KeyCode.F, KeyCombination.CONTROL_DOWN));
		fullScreen.setOnAction(event -> {
			stage.setFullScreen(!stage.isFullScreen());
		});
		this.fullScreen = (Label) fullScreen.getGraphic();
		changeFullScreenMenuItem();
        
        MenuItem close = createMenuItem("Ukončit", getResource("close.png"), new KeyCodeCombination(KeyCode.E, KeyCombination.CONTROL_DOWN));
        close.setOnAction(event -> {
			Platform.exit();
		});
        
        menu.getItems().addAll(fullScreen, new SeparatorMenuItem(), close);
        
        MenuBar bar = new MenuBar();
        bar.getMenus().add(menu);
        return bar;
	}
	
	private void changeFullScreenMenuItem() {
		fullScreen.setText(stage.isFullScreen() ? "Normální zobrazení" : "Plné zobrazení");
		fullScreen.setGraphic(new ImageView(stage.isFullScreen() ? getResource("normal.png") : getResource("full.png")));
	}
	
	private MenuItem createMenuItem(String name, String icon, KeyCodeCombination keyCodeComb) {
		Label label = new Label(name);
		label.setGraphicTextGap(10);
		label.getStyleClass().add("menu-graphics");
		label.setMinWidth(175);
		label.setMaxWidth(175);
		if (icon != null)
			label.setGraphic(new ImageView(new Image(icon)));
		
		MenuItem menuItem = new MenuItem();
		menuItem.setGraphic(label);
		menuItem.setAccelerator(keyCodeComb);
        return menuItem;
	}
	
	private void setOutputLayoutDisabled(boolean disable) {
		outputLayout.setDisable(!testing && disable);
	}
	
	private void changeIndicatorState(boolean showResults, boolean result) {
		clipBoardIndicator.setVisible(!showResults);
		if (showResults) {
		    clipBoardResults.setGraphic(new ImageView(new Image(result ? getResource("ok.png") : getResource("error.png"))));
		}
	    clipBoardResults.setVisible(showResults);
	}
	
	private String getResource(String path) {
		return Deserializer.class.getResource(path).toString();
	}
	
	@Override
	public void loadingInputFileError() {
		Platform.runLater(()->{
			Report.error("Načítání souboru", null, "Při načítání souboru došlo k chybě.");
        });
	}

	@Override
	public void completed(String html, String json, boolean testing) {
		// HTML only for clip board content.
		results.get().setData(html, json, testing);
		
		Platform.runLater(()->{
			boolean result = results.get().contains(testing);
			if (testing) {
				changeIndicatorState(testing, result);
				setInputFromCB.setDisable(!result);
			} else {
				BadHttpServer.getIntance().setHtmlString(result ? results.get().getHtml() : "<b>--- CHYBA PŘI DESERIALIZACI! ---</b>");
				Platform.runLater(() -> webEngine.load(BadHttpServer.getIntance().getURL()));
				// TODO webEngine.loadContent(html, "text/html");
				setOutputLayoutDisabled(!result);
			}
        });
	}
	
}