Hello forum, Vaironl here.
I have a little problem, in a fairly big piece of code.
I'm making a recipe application, which is working fine, but there is one minor error. If I minimize the screen and restore it, some of the components inside it are somehow re sizing of the JFrame. any ideas here is the code.
Main class/Frame
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.io.ObjectInputStream.GetField;
import javax.swing.*;
public class Frame {
private static final int WIDTH=900;
private static final int HEIGHT=800;
private static JFrame frame = new JFrame("Recipe Application");
private static final Panel panel = new Panel();
public static void main(String[] args)
{
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(WIDTH,HEIGHT);
frame.setLayout(new FlowLayout(FlowLayout.LEFT));
frame.add(panel);
frame.setResizable(false);
frame.setVisible(true);
frame.setLocationRelativeTo(null);
}
}Panel class
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.SplashScreen;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Scanner;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
public class Panel extends JPanel
{
//Variables Start here
private JMenuBar bar = new JMenuBar();
private JMenu file = new JMenu("File"),format = new JMenu("Format"),help = new JMenu("Help");
private JMenuItem open = new JMenuItem("Open"), close = new JMenuItem("Exit"), about = new JMenuItem("About"),
save = new JMenuItem("Save");
private JTextField recipeField, authorField;
private JTextField ingredientField[] = new JTextField[40], amountField[] = new JTextField[40],
unitField[] = new JTextField[40];
private JComboBox ratingBox = new JComboBox(), servingBox = new JComboBox();
private JEditorPane descriptionEditor = new JEditorPane();
private JScrollPane descriptionHolder = new JScrollPane(descriptionEditor);
private JPanel subPanel = new JPanel();
private JScrollPane ingredientScroll = new JScrollPane(subPanel);
private Recipe recipe = new Recipe();
//variables end
public Panel()
{
setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
bar.add(file);bar.add(format);bar.add(help);
help.add(about); file.add(open); file.add(save); file.add(close);
close.addActionListener(new closeAction()); save.addActionListener(new saveAction());
open.addActionListener(new openAction());
c.gridx=0; c.gridy=0; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.NORTH;
c.weightx = 1.0; Insets insets = new Insets(0, 0,40,0); c.insets = insets;
add(bar, c);
insets = new Insets(0, 40,20,0); c.insets = insets;
for(int set=0;set<40;set++)
{
c.gridy++;// move the next component one grid down
if(set==0){add( new JLabel("Recipe's Name:"),c); c.ipady=0; recipeField = new JTextField(20);
c.gridx=1; add(recipeField,c ); c.gridx=0;}
else if(set==1){add(new JLabel("Author's Name:"),c); c.gridx=1; authorField = new JTextField(20);
add(authorField, c); c.gridx=0;}
else if(set==2){add(new JLabel("Serving Size:"),c); c.gridx =1; for(int items=0;items<60;items++)
servingBox.addItem(items+1); add(servingBox,c); c.gridx=0;}
else if(set==3){add(new JLabel("Rating:"),c); c.gridx=1; for(int item=0;item<5;item++){ratingBox.addItem(item+1);}
add(ratingBox, c); c.gridx=0;}
else if(set==4){add(new JLabel("Description:"),c);
c.ipady=150; c.ipadx=200;
c.gridx=1;
add(descriptionHolder,c);}
}
c.gridy++; c.gridx=1;
subPanel.setLayout(new GridBagLayout());
GridBagConstraints c2 = new GridBagConstraints();
c2.gridx =0; c2.gridy++;
add(ingredientScroll,c);
ingredientScroll.setPreferredSize(new Dimension(this.getWidth(), 150));
for(int set=0;set<40;set++)
{
ingredientField[set] = new JTextField(15); amountField[set] = new JTextField(4);
unitField[set] = new JTextField(4);
subPanel.add(new JLabel("Ingredient "+(set+1)+":"), c2); c2.gridx++;
subPanel.add(ingredientField[set],c2); c2.gridx++;
subPanel.add(new JLabel("Amount:"), c2);c2.gridx++;
subPanel.add(amountField[set],c2); c2.gridx++;
subPanel.add(new JLabel("Unit:"), c2);c2.gridx++;
subPanel.add(unitField[set],c2); c2.gridx++;
c2.gridx=0;
c2.gridy++;
}
}
//start methods, actionListener, handlers etc here
public void printThis(String s)
{
System.out.println(s);
}
private class closeAction implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
System.exit(0);
}
}
private class saveAction implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
boolean allowable = true;
allowable = setRecipeVariables(recipe);
if(allowable == true)
{
JFileChooser sc = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter(
"Text Files", "txt");
sc.setFileFilter(filter);
int returnValue = sc.showSaveDialog(null);
if(returnValue == JFileChooser.APPROVE_OPTION)
{
try {
FileWriter writer;
String blankLine = System.getProperty("line.separator");
if(String.valueOf(sc.getSelectedFile()).contains(".txt"))
{
writer = new FileWriter(sc.getSelectedFile());
}
else
{
writer = new FileWriter(sc.getSelectedFile()+".txt");
}
writer.write(recipe.getRecipeName() + "%" + recipe.getAuthor() + "%" + recipe.getServing()
+ "%" + recipe.getRating() + "%" + blankLine);
for(int current=0;current<recipe.getIngredients().length;current++)
{
if(current == 0)
{
writer.write(recipe.getIngredients()[current]);
}
else if(current == recipe.getIngredients().length-1)
{
if(recipe.getIngredients()[current].isEmpty() == false)
{
writer.write("," + blankLine + recipe.getIngredients()[current] + "%" );
}
else
{
writer.write("%" + blankLine);
}
}
else
{
if(recipe.getIngredients()[current].isEmpty() == false)
{
writer.write("," + blankLine + recipe.getIngredients()[current] );
}
}
}
for(int current=0;current<recipe.getAmounts().length;current++)
{
if(current == 0)
{
writer.write(recipe.getAmounts()[current].toString());
}
else if(current == recipe.getAmounts().length-1)
{
if(recipe.getAmounts()[current].equals(0.0) == false)
{
writer.write("," + blankLine + recipe.getAmounts()[current] + "%" );
}
else
{
writer.write("%" + blankLine);
}
}
else
{
if(recipe.getAmounts()[current].equals(0.0) == false)
{
writer.write("," + blankLine + recipe.getAmounts()[current]);
}
}
}
for(int current=0;current<recipe.getUnits().length;current++)
{
if(current == 0)
{
writer.write(recipe.getUnits()[current].toString());
}
else if(current == recipe.getUnits().length-1)
{
if(recipe.getUnits()[current].isEmpty() == false)
{
writer.write("," + blankLine + recipe.getUnits()[current] + "%" );
}
else
{
writer.write("%" + blankLine);
}
}
else
{
if(recipe.getUnits()[current].isEmpty() == false)
{
writer.write("," + blankLine + recipe.getUnits()[current]);
}
}
}
writer.write(recipe.getDescription() + "%");
writer.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
}
}
private class openAction implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
JFileChooser sc = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter(
"Text Files", "txt");
sc.setFileFilter(filter);
int returnValue = sc.showOpenDialog(null);
if(returnValue == JFileChooser.APPROVE_OPTION)
{
try {
Scanner scanner = new Scanner(new File(String.valueOf(sc.getSelectedFile())));
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
private boolean setRecipeVariables(Recipe recipe)
{
boolean allowed = true;
if(recipeField.getText().isEmpty()|| authorField.getText().isEmpty() ||
descriptionEditor.getText().isEmpty() || ingredientField[0].getText().isEmpty() ||
amountField[0].getText().isEmpty() || unitField[0].getText().isEmpty())
{
JOptionPane.showMessageDialog(null, "One or more of the required fields are empty");
allowed = false;
}
else
{
recipe.setRecipeName(recipeField.getText());
recipe.setAuthorName(authorField.getText());
recipe.setServing((Integer) servingBox.getSelectedItem());
recipe.setRating(Integer.valueOf(String.valueOf(ratingBox.getSelectedItem())));
recipe.setRecipeDescription(descriptionEditor.getText());
for(int set=0;set<recipe.getIngredients().length;set++)
{
if(ingredientField[set].getText().isEmpty() == false)
{
recipe.setIngredients(ingredientField[set].getText(), set);
}
else{
recipe.setIngredients("", set);
}
}
for(int set=0;set<recipe.getAmounts().length;set++)
{
if(amountField[set].getText().isEmpty() == false)
{
try{
recipe.setIngredientAmounts(Double.valueOf(amountField[set].getText()), set);
}
catch(NumberFormatException ex)
{
JOptionPane.showMessageDialog(null,"The amount fields must be numbers, decimals are\n accepted");
allowed = false;
break;
}
}
else{
recipe.setIngredientAmounts(0.0, set);
}
}
for(int set=0;set<recipe.getUnits().length;set++)
{
if(unitField[set].getText().isEmpty() == false)
{
recipe.setIngredientUnits(unitField[set].getText(), set);
}
else{
recipe.setIngredientUnits("", set);
}
}
}
return allowed;
}
}Recipe class
public class Recipe {
private String recipeName,authorName,recipeDescription;
private String[] ingredientName = new String [40], ingredientUnits = new String [40];
private Double[] ingredientAmounts = new Double [40];
private int ratingValue,servingSize;
public Recipe()
{
recipeName = "";
authorName = "";
ratingValue= 0;
servingSize= 0;
recipeDescription = "";
for(int init=0;init<ingredientName.length;init++)
{
ingredientName[init] = "";
ingredientUnits[init] = "";
ingredientAmounts[init] = 0.0;
}
}
public void setRecipeName(String rName)
{recipeName = rName;}
public void setAuthorName(String aName)
{authorName = aName;}
public void setIngredients(String ingredients, int location)
{ingredientName[location] = ingredients;}
public void setIngredientUnits(String uNames, int location)
{ingredientUnits[location] = uNames;}
public void setIngredientAmounts(Double aValue, int location)
{ingredientAmounts[location] = aValue;}
public void setRecipeDescription(String rDescription)
{recipeDescription = rDescription;}
public void setRating(int rValue)
{ratingValue = rValue;}
public void setServing(int sSize)
{servingSize = sSize;}
public String getRecipeName()
{return recipeName;}
public String getAuthor()
{return authorName;}
public String[] getIngredients()
{return ingredientName;}
public String[] getUnits()
{return ingredientUnits;}
public Double[] getAmounts()
{return ingredientAmounts;}
public String getDescription()
{return recipeDescription;}
public int getRating()
{return ratingValue;}
public int getServing()
{return servingSize;}
}