// Method to open a file for sequential read-only.
private void openFile() {
// Define local primitive(s).
String contents = new String();
// If a file is open, prompt to save the file before dismissing content
// and reference.
if (!file.toString().equals("")) {
// Close the existing file.
closeFile();
} // End of if file not null or not equal to a zero String.
// Open a file.
fileName = FileIO.findFile(this);
// If a file name is returned.
if (fileName != null) {
// Read file.
contents = FileIO.openFile(this, fileName);
// Verify that the JTextAreaPanel is empty.
if (sender.isTextAreaEmpty()) {
// Set JTextAreaPanel.
sender.setText(contents);
} // End of if JTextAreaPanel is empty.
else {
// Reset JTextAreaPanel by replacing the range.
sender.replaceRange(contents, 0, sender.getText().length());
} // End of else JTextAreaPanel is not empty.
// Set file open flag to true.
fileOpen = true;
} // End of if a fileName is selected.
} // End of openFile method.
// This method starts from the ButtonListener class but ends up in the Ballot class, updating the
// file of each Ballot
public void updateBallots() {
FileIO nullFile =
new FileIO(); // need to create this just to gain access to the filename of the ballots file
FileIO ballotFile = new FileIO(nullFile.getBallotsFileName());
ArrayList<Ballot> ballots = ballotFile.createBallots();
for (Ballot ballot : ballots) {
ballot.updateFile();
}
}
// Initialize the buttons ArrayList because there the program messes up if the voter doesn't vote
// for anything, the buttons array
// will be null.
public void initializeButtons() {
FileIO nullFile =
new FileIO(); // need to create this just to gain access to the filename of the ballots file
FileIO ballotFile = new FileIO(nullFile.getBallotsFileName());
_ballots = ballotFile.createBallots();
buttons = new ArrayList<JToggleButton>();
for (Ballot ballot : _ballots) {
JToggleButton[] ballotButtons = ballot.getButtons();
for (int i = 0; i < ballotButtons.length; i++) {
buttons.add(ballotButtons[i]);
}
}
}
// Grab the number of buttons from all of the ballots in the program.
// This will define the votes array, which stores all of the true and false values...
// as to whether the button is really selected or not (because button.isSelected() won't work for
// me for some reason).
public void setVotesLength() {
FileIO nullFile =
new FileIO(); // need to create this just to gain access to the filename of the ballots file
FileIO ballotsFile = new FileIO(nullFile.getBallotsFileName());
ArrayList<Ballot> throwAwayList = ballotsFile.createBallots();
int numButtons = 0;
for (Ballot ballot : throwAwayList) {
numButtons += ballot.getNumButtons();
}
votes = new boolean[numButtons];
}
// Method to saveAsFile().
private void saveAsFile() {
// Set a file.
fileName = FileIO.nameFile(this);
// If a file name is selected.
if (fileName != null) {
// Try block to throw a custom exception.
try {
// Save file.
FileIO.saveFile(this, fileName, sender.getText());
} // End of try to get message.
catch (BufferEmptyException e) // Catch InvalidFileReference.
{
// Capture the stack trace into a String.
setExceptionString(e.fillInStackTrace());
// Pass message to the JOptionPane manager.
setExceptionPane(
"There is nothing in the sender panel to write.\n\n"
+ "Do you want to see the stack trace?");
} // End of catch on BufferEmptyException.
} // End of if a fileName is selected.
} // End of saveAsFile() method.
// Update the true/false value of every button in the program, and set every value to its
// respective position in the votes array
public void updateButtons(String text) {
FileIO nullFile =
new FileIO(); // need to create this just to gain access to the filename of the ballots file
FileIO ballotFile = new FileIO(nullFile.getBallotsFileName());
_ballots = ballotFile.createBallots();
buttons = new ArrayList<JToggleButton>();
for (Ballot ballot : _ballots) {
JToggleButton[] ballotButtons = ballot.getButtons();
for (int i = 0; i < ballotButtons.length; i++) {
buttons.add(ballotButtons[i]);
}
}
int numButtons = 0;
for (Ballot ballot : _ballots) {
numButtons += ballot.getButtons().length;
}
for (int i = 0; i < numButtons; i++) {
if (buttons.get(i).getText().equals(text)) {
votes[i] = true;
}
}
}
// This is where all the action happens. If an action is performed (button press for example), it
// goes through this method
// that takes an ActionEvent, which is created at the time of the action.
public void actionPerformed(ActionEvent e) {
// Try to cast the ActionEvent source as JToggleButton (if successful, the button is a ballot
// choice)
try {
JToggleButton theButton = (JToggleButton) e.getSource();
String buttonText = theButton.getText();
if (theButton.isSelected()) {
theButton.setForeground(Color.RED);
switchButton = true;
switchButtonText = buttonText;
updateButtons(
buttonText); // switches this button's respective vote position to 1 (true), meaning it
// is selected
} else if (!theButton.isSelected()) {
theButton.setForeground(Color.BLACK);
unvoteButton = true;
unvoteButtonText = buttonText;
}
// If the program can't cast the source to a JToggleButton, cast it as a JButton, which is
// 100% what the source will be at this point.
// This button will be one of two things: the login button or the cast vote button.
} catch (Exception exception) {
JButton theButton = (JButton) e.getSource();
String buttonText = theButton.getText();
// If the user hits the Login button, check if the ID is valid.
// If the ID is not valid, don't let them vote. However, if it is valid, disable login and
// enable everything else.
if (buttonText.equals("Login")) {
String voterID =
JOptionPane.showInputDialog(theButton, "Enter your voter ID: ", "Login", 3);
FileIO votersFile = new FileIO("voters.txt");
ArrayList<Voter> voters = votersFile.createVoters();
if (votersFile.checkValidID(voterID)) {
Voter theVoter = voters.get(votersFile.getVoterIndex(voterID));
if (theVoter.getVotedStatus().equals("false")) {
setVoterID(voterID);
} else {
JOptionPane.showMessageDialog(
theButton, "You already voted " + theVoter.getVoterName() + "!");
}
} else {
JOptionPane.showMessageDialog(theButton, "Invalid ID!", "Error", 0);
}
// If the user hits the cast vote button, update the respective ballot files and disable
// every button except
// for the login button.
} else if (buttonText.equals("Cast vote")) {
int confirm = JOptionPane.showConfirmDialog(theButton, "Are you sure?");
FileIO votersFile = new FileIO("voters.txt");
ArrayList<Voter> voters = votersFile.createVoters();
Voter theVoter = voters.get(votersFile.getVoterIndex(voterID));
if (confirm == 0) {
JOptionPane.showMessageDialog(theButton, "Thanks for voting!");
updateBallots();
votersFile.updateVoterFile(theVoter.getVoterID());
setVoterID("-1");
votersFile.initializeVoters();
}
}
}
}