Question: i am making texteditor in java. i am trying to use color picker in controller class to set text color when user chooses the color.
i am making texteditor in java. i am trying to use color picker in controller class to set text color when user chooses the color. couldnot change text color Here is the code so far
hello-view.fxml
HelloController.java
package com.example.texteditor;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.TextArea;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.stage.FileChooser;
import java.io.*;
public class HelloController { @FXML private ColorPicker colorPicker;
// Create new text file
public void newFile(ActionEvent event) throws IOException { textArea.setText(""); }
// Load file into the text editor public void chooseFile(ActionEvent event){
FileChooser fileChooser = new FileChooser();
// only choose text files fileChooser.getExtensionFilters().add( new FileChooser.ExtensionFilter("Text files (*.txt)", "*.txt") );
fileChooser.setInitialDirectory(new File(System.getProperty("user.home")));
// user choose file File fileToLoad = fileChooser.showOpenDialog(null);
// load chosen file if (fileToLoad != null) { openFile(fileToLoad); } }
@FXML private TextArea textArea;
private void openFile(File fileToLoad) {
try { BufferedReader br = new BufferedReader(new FileReader(fileToLoad));
String line; while((line = br.readLine()) != null) {
textArea.appendText(line); textArea.appendText(" "); } } catch( Exception e) { textArea.setText("Could not load file from: " + fileToLoad.getAbsolutePath()); } } // Save text file public void saveFile(ActionEvent event) { String sampleText = textArea.getText(); FileChooser fileChooser = new FileChooser(); // extension filter fileChooser.getExtensionFilters().add( new FileChooser.ExtensionFilter("Text files (*.txt)", "*.txt") ); // show save file dialog File file = fileChooser.showSaveDialog(null); if (file != null) { saveText(sampleText, file); } } private void saveText(String sampleText, File file) { try { PrintWriter write = new PrintWriter(file); write.println(sampleText); write.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } } // Exit text editor public void exitEditor(ActionEvent event) { Platform.exit(); } // Undo public void undo(ActionEvent event) { textArea.undo(); } // Redo public void redo(ActionEvent event) { textArea.redo(); } // Font style public void ariel(ActionEvent event) { textArea.setFont(Font.font("Ariel")); } public void timesNewRoman(ActionEvent event) { textArea.setFont(Font.font("Times New Roman")); } public void helvetica(ActionEvent event) { textArea.setFont(Font.font("Helvetica")); } public void impact(ActionEvent event) { textArea.setFont(Font.font("Impact")); } // Set font size public void forTeen(ActionEvent event) { textArea.setFont(Font.font(14)); } public void sixTeen(ActionEvent event) { textArea.setFont(Font.font(16)); } public void eightTeen(ActionEvent event) { textArea.setFont(Font.font(18)); } public void twenty(ActionEvent event) { textArea.setFont(Font.font(20)); }
public void pickColor(ActionEvent event) { Color myColor = colorPicker.getValue(); String contents = textArea.getText(); } }
HelloApplication.java
package com.example.texteditor;
import javafx.application.Application;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.control.TextArea;
import javafx.stage.Stage;
import java.io.IOException;
public class HelloApplication extends Application { @Override public void start(Stage stage) throws IOException {
FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
Scene scene = new Scene(fxmlLoader.load(), 600, 400);
stage.setTitle("My Text Editor");
stage.setScene(scene);
stage.show(); }
public static void main(String[] args) { launch(); } }
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