package fr.mmteam;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.concurrent.Worker;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.ButtonBuilder;
import javafx.scene.control.LabelBuilder;
import javafx.scene.effect.BoxBlur;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBoxBuilder;
import javafx.scene.layout.PaneBuilder;
import javafx.scene.layout.Region;
import javafx.scene.layout.StackPaneBuilder;
import javafx.scene.paint.Color;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebEvent;
import javafx.scene.web.WebView;
import javafx.stage.Modality;
import javafx.stage.Stage;
import javafx.stage.StageStyle;

import org.w3c.dom.html.HTMLElement;

public class Main extends Application {
	
	private Scene scene;
	private Stage primaryStage;

	@Override
	public void start(Stage stage) throws Exception {
		this.primaryStage = stage;
		// create scene
        stage.setTitle("Web View");
        scene = new Scene(new Browser(),750,500, Color.web("#666970"));
        stage.setScene(scene);
        // show stage
        stage.show();
		
	}
	
	public static void main(String[] args){
        launch(args);
    }
	
	class Browser extends Region {
		final WebView browser = new WebView();
	    final WebEngine webEngine = browser.getEngine();
	    
	    public Browser() { 
	    	// load the home page        
	        webEngine.load("http://google.fr");
	        
	        browser.autosize();

	        browser.setOnKeyTyped(new EventHandler<KeyEvent>() {
	        	public void handle(KeyEvent event) {
	        		System.out.println(event.getCharacter());
	        	};
			});
	        
	        browser.setOnMousePressed(new EventHandler<MouseEvent>() {
	        	public void handle(MouseEvent event) {
	        		Object target = webEngine.executeScript("document.elementFromPoint(" + event.getSceneX() + ", " + event.getSceneY() +")");
	        		if (target instanceof HTMLElement) {
	        			System.out.println(((HTMLElement) target).getTagName() + " pressed");
	        		}
	        	};
			});
	        browser.setOnMouseClicked(new EventHandler<MouseEvent>() {
	        	public void handle(MouseEvent event) {
	        		Object target = webEngine.executeScript("document.elementFromPoint(" + event.getSceneX() + ", " + event.getSceneY() +")");
	        		if (target instanceof HTMLElement) {
	        			System.out.println(((HTMLElement) target).getTagName() + " clicked");
	        		}
	        	};
			});
	        browser.setOnMouseReleased(new EventHandler<MouseEvent>() {
	        	public void handle(MouseEvent event) {
	        		Object target = webEngine.executeScript("document.elementFromPoint(" + event.getSceneX() + ", " + event.getSceneY() +")");
	        		if (target instanceof HTMLElement) {
	        			System.out.println(((HTMLElement) target).getTagName() + " released");
	        		}
	        	};
			});
	        
	        webEngine.setOnAlert(new EventHandler<WebEvent<String>>() {
	        	public void handle(WebEvent<String> event) {
	        		alert(browser, event.getData());
	        	};
			});
	        
	        // show the confirmation dialog each time a new page is loaded.
	        webEngine.getLoadWorker().stateProperty().addListener(new ChangeListener<Worker.State>() {
	          @Override 
	          public void changed(ObservableValue<? extends Worker.State> observableValue, Worker.State state, Worker.State newState) {
	            if (newState.equals(Worker.State.SUCCEEDED)) {
	              System.out.println("State change from " + state.toString() + " to " + newState.toString());
	              System.out.println(observableValue.toString());
	              System.out.println(webEngine.getLocation());
	            }
	          }
	        });
	        
	        getChildren().add(browser);
	    }
	    
	    
	    private void alert(final WebView webView, String msg) {
	    	// initialize the confirmation dialog
            primaryStage.getScene().getRoot().setEffect(new BoxBlur());
	        final Stage util = new Stage(StageStyle.TRANSPARENT);
	        util.initModality(Modality.APPLICATION_MODAL);
	        util.setScene(
	          new Scene(
	            StackPaneBuilder.create().children(
	              PaneBuilder.create().styleClass("modal-dialog-glass").build(),
	              HBoxBuilder.create().styleClass("modal-dialog-content").children(
	                LabelBuilder.create().text(msg).build(),
	                ButtonBuilder.create().text("OK").defaultButton(true).onAction(new EventHandler<ActionEvent>() {
	                  @Override public void handle(ActionEvent actionEvent) {
	                    primaryStage.getScene().getRoot().setEffect(null);
	                    util.close();
	                  }
	                }).build()
	              ).build()
	            ).build()
	            , Color.TRANSPARENT
	         )
	        );
	        util.getScene().getStylesheets().add(getClass().getResource("modal-dialog.css").toExternalForm());
	        util.showAndWait();
	    }
		
	}

}