Load file to HTMLEditor

Last article explain how to "Read text file with JavaFX FileChooser". It's added in the code of previous article "Save HTMLEditor generated code in file", to add the function of loading file to HTMLEditor.

package javafx_html;

import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextAreaBuilder;
import javafx.scene.layout.HBox;
import javafx.scene.layout.HBoxBuilder;
import javafx.scene.layout.VBox;
import javafx.scene.layout.VBoxBuilder;
import javafx.scene.web.HTMLEditor;
import javafx.scene.web.HTMLEditorBuilder;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFX_HTMLeditor extends Application {
 

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
    
    @Override
    public void start(final Stage primaryStage) {
        primaryStage.setTitle("java-buddy.blogspot.com");
        Group root = new Group();
        
        final HTMLEditor htmlEditor = HTMLEditorBuilder.create()
                .prefHeight(200)
                .prefWidth(400)
                .build();
        
        final TextArea htmlText = TextAreaBuilder.create()
                .prefWidth(400)
                .wrapText(true)
                .build();
        
        ScrollPane scrollPane = new ScrollPane();
        scrollPane.getStyleClass().add("noborder-scroll-pane");
        scrollPane.setContent(htmlText);
        scrollPane.setFitToWidth(true);
        scrollPane.setPrefHeight(180);
        
        Button buttonUpdate = new Button("Update");
        buttonUpdate.setOnAction(new EventHandler<ActionEvent>(){

            @Override
            public void handle(ActionEvent t) {
                htmlText.setText(htmlEditor.getHtmlText());
            }
        });
        
        Button buttonSave = new Button("Save");
        buttonSave.setOnAction(new EventHandler<ActionEvent>(){

            @Override
            public void handle(ActionEvent t) {
                String stringHtml = htmlEditor.getHtmlText();
                htmlText.setText(stringHtml);
                
                FileChooser fileChooser = new FileChooser();
                
                //Set extension filter
                FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("HTML files (*.html)", "*.html");
                fileChooser.getExtensionFilters().add(extFilter);
                
                //Show save file dialog
                File file = fileChooser.showSaveDialog(primaryStage);
                if(file != null){
                    SaveFile(stringHtml, file);
                }
            }
        });
        
        Button buttonLoad = new Button("Load");
        buttonLoad.setOnAction(new EventHandler<ActionEvent>(){

            @Override
            public void handle(ActionEvent arg0) {
                FileChooser fileChooser = new FileChooser();
                
                //Set extension filter
                FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("HTML files (*.html)", "*.html");
                fileChooser.getExtensionFilters().add(extFilter);
                
                //Show open file dialog
                File file = fileChooser.showOpenDialog(primaryStage);
                if(file != null){
                    String textRead = readFile(file);
                    htmlEditor.setHtmlText(textRead);
                    htmlText.setText(textRead);
                }
            }
            
        });
        
        HBox buttonBox =HBoxBuilder.create()
                .children(buttonUpdate, buttonSave, buttonLoad)
                .spacing(5)
                .build();

        VBox vBox = VBoxBuilder.create()
                .children(htmlEditor, htmlText, buttonBox)
                .build();
        
        root.getChildren().add(vBox);
        primaryStage.setScene(new Scene(root, 500, 400));
        primaryStage.show();
    }
    
    private void SaveFile(String content, File file){
        try {
            FileWriter fileWriter = null;
            
            fileWriter = new FileWriter(file);
            fileWriter.write(content);
            fileWriter.close();
        } catch (IOException ex) {
            Logger.getLogger(JavaFX_HTMLeditor.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    private String readFile(File file){
        StringBuilder stringBuffer = new StringBuilder();
        BufferedReader bufferedReader = null;
        
        try {

            bufferedReader = new BufferedReader(new FileReader(file));
            
            String text;
            while ((text = bufferedReader.readLine()) != null) {
                stringBuffer.append(text);
            }

        } catch (FileNotFoundException ex) {
            Logger.getLogger(JavaFX_HTMLeditor.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(JavaFX_HTMLeditor.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                bufferedReader.close();
            } catch (IOException ex) {
                Logger.getLogger(JavaFX_HTMLeditor.class.getName()).log(Level.SEVERE, null, ex);
            }
        } 
        
        return stringBuffer.toString();
    }
    
}

Related:
- Preview HTMLEditor content in WebView