package org.example;

import javax.swing.text.StyledDocument;

import java.awt.*;

import java.io.BufferedReader;

import java.io.FileReader;

import java.io.FileWriter;

public class Functions {

String fileName;

String fileAddress;

GUI gui;

public Functions(GUI gui) {

this.gui = gui;

}

public void newFile() {

gui.textPane.setText("");

gui.window.setTitle("New Document - "+gui.appName);

fileName = null;

fileAddress = null;

}

public void openFile(){

FileDialog fd = new FileDialog(gui.window,"Open",FileDialog.LOAD);

fd.setVisible(true);

if (fd.getFile()!=null){

fileName = fd.getFile();

fileAddress = fd.getDirectory();

gui.window.setTitle(fileName+" - "+gui.appName);

}

try {

BufferedReader br = new BufferedReader(new FileReader(fileAddress + fileName));

gui.textPane.setText("");

String line = null;

while ((line = br.readLine())!=null){

StyledDocument doc = gui.textPane.getStyledDocument();

doc.insertString(doc.getLength(), line + "\n", null);

}

br.close();

} catch (Exception e){

System.out.println("File Not Opened");

}

}

public void save(){

if (fileName==null){

saveAs();

} else {

try {

FileWriter fw = new FileWriter(fileAddress + fileName);

fw.write(gui.textPane.getText());

gui.window.setTitle(fileName + " - " + gui.appName);

fw.close();

}catch (Exception e){

System.out.println("something went wrong");

}

}

}

public void saveAs(){

FileDialog fd = new FileDialog(gui.window,"Save us",FileDialog.SAVE);

fd.setVisible(true);

if (fd.getFile()!=null){

fileName = fd.getFile();

fileAddress = fd.getDirectory();

gui.window.setTitle(fileName+" - "+gui.appName);

}

try {

FileWriter fw = new FileWriter(fileAddress + fileName);

fw.write(gui.textPane.getText());

fw.close();

}catch (Exception e){

System.out.println("Could not save the file");

}

}

public void exit(){

System.exit(0);

}

}