/*
Post: the string input is parsed to an int if it meets specs
*/
public void checkAndUpdateArray() {
if (arraySizeEntry.getText().length() > 0) {
boolean isAnInt = true;
String entry = arraySizeEntry.getText();
entry.trim();
for (int i = 0; i < entry.length(); i++) {
if (entry.charAt(i) < 48 || entry.charAt(i) > 57 || entry.equals("0")) isAnInt = false;
}
if (isAnInt) {
arraySize = Integer.parseInt(entry);
if (arraySize >= 25 && arraySize <= 300) {
if (isWorstCase) populateWorstCaseArray();
else populateRandomArray();
VisualSort.updateArrays();
}
}
}
}
/*
Pre: action must be performed for this method to fire
Post: the appropriate action is selected depending on the source
*/
public void actionPerformed(ActionEvent event) {
if (event.getSource() == chooseCase) {
JComboBox cb = (JComboBox) event.getSource();
String caseChosen = (String) cb.getSelectedItem();
if (caseChosen.equals("Worst Case")) isWorstCase = true;
else isWorstCase = false;
if (arraySize >= 25 && arraySize <= 300) {
if (isWorstCase) populateWorstCaseArray();
else populateRandomArray();
VisualSort.updateArrays();
}
} else if (event.getSource() == chooseTopAlgo) {
JComboBox cb = (JComboBox) event.getSource();
String caseChosen = (String) cb.getSelectedItem();
if (caseChosen.equals("Selection Sort")) {
selectionIsOnTop = true;
insertionIsOnTop = false;
bubbleIsOnTop = false;
mergeIsOnTop = false;
} else if (caseChosen.equals("Insertion Sort")) {
selectionIsOnTop = false;
insertionIsOnTop = true;
bubbleIsOnTop = false;
mergeIsOnTop = false;
} else if (caseChosen.equals("Bubble Sort")) {
selectionIsOnTop = false;
insertionIsOnTop = false;
bubbleIsOnTop = true;
mergeIsOnTop = false;
} else if (caseChosen.equals("Merge Sort")) {
selectionIsOnTop = false;
insertionIsOnTop = false;
bubbleIsOnTop = false;
mergeIsOnTop = true;
}
} else if (event.getSource() == chooseBottomAlgo) {
JComboBox cb = (JComboBox) event.getSource();
String caseChosen = (String) cb.getSelectedItem();
if (caseChosen.equals("Selection Sort")) {
selectionIsOnBottom = true;
insertionIsOnBottom = false;
bubbleIsOnBottom = false;
mergeIsOnBottom = false;
} else if (caseChosen.equals("Insertion Sort")) {
selectionIsOnBottom = false;
insertionIsOnBottom = true;
bubbleIsOnBottom = false;
mergeIsOnBottom = false;
} else if (caseChosen.equals("Bubble Sort")) {
selectionIsOnBottom = false;
insertionIsOnBottom = false;
bubbleIsOnBottom = true;
mergeIsOnBottom = false;
} else if (caseChosen.equals("Merge Sort")) {
selectionIsOnBottom = false;
insertionIsOnBottom = false;
bubbleIsOnBottom = false;
mergeIsOnBottom = true;
}
} else if (event.getSource() == run) {
if (arraySize >= 25 && arraySize <= 300) VisualSort.run();
} else {
checkAndUpdateArray();
}
}