// If the user double clicks on a stock with the LMB, graph the stock.
// If the user right clicks over the table, open up a popup menu.
private void handleMouseClicked(MouseEvent event) {
Point point = event.getPoint();
// Right click on the table - raise menu
if (event.getButton() == MouseEvent.BUTTON3) {
JPopupMenu menu = new JPopupMenu();
popupGraphSymbols = MenuHelper.addMenuItem(this, menu, Locale.getString("GRAPH"));
popupGraphSymbols.setEnabled(getSelectedRowCount() > 0);
popupTableSymbols = MenuHelper.addMenuItem(this, menu, Locale.getString("TABLE"));
popupTableSymbols.setEnabled(getSelectedRowCount() > 0);
menu.show(this, point.x, point.y);
}
// Left double click on the table - graph stock
else if (event.getButton() == MouseEvent.BUTTON1 && event.getClickCount() == 2) {
int[] selectedRows = getSelectedRows();
List symbols = new ArrayList();
for (int i = 0; i < selectedRows.length; i++) {
Symbol symbol = (Symbol) model.getValueAt(selectedRows[i], EODQuoteModel.SYMBOL_COLUMN);
symbols.add(symbol);
}
// Graph the highlighted symbols
CommandManager.getInstance().graphStockBySymbol(symbols);
}
}
private boolean isAllValuesAcceptable() {
boolean retValue = true;
try {
setNumericalValues();
} catch (ParseException e) {
showErrorMessage(
Locale.getString("ERROR_PARSING_NUMBER", e.getMessage()),
Locale.getString("INVALID_GP_ERROR"));
retValue = false;
}
if (!isAllValuesPositive()) {
showErrorMessage(
Locale.getString("NO_POSITIVE_VALUES_ERROR"), Locale.getString("INVALID_GP_ERROR"));
retValue = false;
}
if (!isTotalOK()) {
// Messages inside the isTotalOK method
retValue = false;
}
return retValue;
}
// Create a menu
private void addMenu() {
menuBar = new JMenuBar();
// Table Menu
{
JMenu tableMenu = MenuHelper.addMenu(menuBar, Locale.getString("TABLE"));
// Show columns menu
tableMenu.add(createShowColumnMenu(model));
tableMenu.addSeparator();
applyExpressions =
MenuHelper.addMenuItem(this, tableMenu, Locale.getString("APPLY_EQUATIONS"));
applyFilter = MenuHelper.addMenuItem(this, tableMenu, Locale.getString("APPLY_FILTER"));
sortByMostActive =
MenuHelper.addMenuItem(this, tableMenu, Locale.getString("SORT_BY_MOST_ACTIVE"));
tableMenu.addSeparator();
tableClose = MenuHelper.addMenuItem(this, tableMenu, Locale.getString("CLOSE"));
}
// Symbols Menu
{
JMenu symbolsMenu = MenuHelper.addMenu(menuBar, Locale.getString("SYMBOLS"));
findSymbol = MenuHelper.addMenuItem(this, symbolsMenu, Locale.getString("FIND"));
symbolsMenu.addSeparator();
graphSymbols = MenuHelper.addMenuItem(this, symbolsMenu, Locale.getString("GRAPH"));
tableSymbols = MenuHelper.addMenuItem(this, symbolsMenu, Locale.getString("TABLE"));
alertSymbols = MenuHelper.addMenuItem(this, symbolsMenu, Locale.getString("ALERT_TITLE"));
}
// Listen for changes in selection so we can update the menus
getSelectionModel()
.addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
checkMenuDisabledStatus();
}
});
checkMenuDisabledStatus();
}
private boolean isTotalOK() {
boolean retValue = true;
long total = 0;
int totalLength = perc.length;
for (int i = 0; (i < totalLength); i++) {
total += perc[i];
}
// Check total == 0
if (total == 0) {
showErrorMessage(
Locale.getString("NO_TOTAL_GREATER_THAN_ZERO_PAGE_ERROR"),
Locale.getString("INVALID_GP_ERROR"));
retValue = false;
}
return retValue;
}
public boolean parse() {
boolean returnValue = true;
mutations = 0;
if (!isAllValuesAcceptable()) {
returnValue = false;
} else {
if (!isFitAll()) {
ConfirmDialog dialog =
new ConfirmDialog(
desktop, Locale.getString("GP_FIT_PAGE"), Locale.getString("GP_FIT_TITLE"));
boolean returnConfirm = dialog.showDialog();
if (returnConfirm) {
fitAll();
} else {
returnValue = false;
}
}
}
try {
if (!numberMutationTextRow.getText().equals("")) {
mutations = Integer.parseInt(numberMutationTextRow.getText());
}
} catch (NumberFormatException e) {
showErrorMessage(
Locale.getString("ERROR_PARSING_NUMBER", e.getMessage()),
Locale.getString("INVALID_GP_ERROR"));
returnValue = false;
}
// If we have maximum percent for random population,
// we don't have to check for the table,
// because the values on the table are of initial population
// and we do not need them.
if (perc[PERCENT_RANDOM] != PERCENT_INT) {
// Parse all the values in the GPPageInitialPopulationModule
// so that we know if the table with initial population rules is OK or not.
if (!GPPageInitialPopulationModule.parse()) {
returnValue = false;
}
}
return returnValue;
}
// Extract all quotes from the quote bundle which cause the given
// expression to equate to true. If there is no expression (string is null or
// empty) then extract all the quotes.
private List extractQuotesUsingRule(String filterExpression, EODQuoteBundle quoteBundle) {
// If there is no rule, then just return all quotes
if (filterExpression == null || filterExpression.length() == 0)
return extractAllQuotes(quoteBundle);
// First parse the expression
Expression expression = null;
try {
expression = Parser.parse(filterExpressionString);
} catch (ExpressionException e) {
// We should have already checked the string for errors before here
assert false;
}
// Add symbols to list when expression proves true
ArrayList quotes = new ArrayList();
Iterator iterator = quoteBundle.iterator();
TradingDate lastDate = quoteBundle.getLastDate();
try {
// Traverse all symbols on all dates
while (iterator.hasNext()) {
Quote quote = (Quote) iterator.next();
Symbol symbol = quote.getSymbol();
TradingDate date = quote.getDate();
int dateOffset = 0;
try {
dateOffset = quoteBundle.dateToOffset(date);
} catch (WeekendDateException e) {
assert false;
}
if (!singleDate || (lastDate.equals(quote.getDate()))) {
if (expression.evaluate(new Variables(), quoteBundle, symbol, dateOffset)
>= Expression.TRUE_LEVEL) quotes.add(quote);
}
}
return quotes;
} catch (EvaluationException e) {
// Tell user expression didnt evaluate properly
JOptionPane.showInternalMessageDialog(
DesktopManager.getDesktop(),
e.getReason() + ": " + expression.toString(),
Locale.getString("ERROR_EVALUATION_EQUATION"),
JOptionPane.ERROR_MESSAGE);
// delete erroneous expression
expression = null;
// If the expression didn't evaluate then just return all the quotes
return extractAllQuotes(quoteBundle);
}
}
/**
* Return the window title.
*
* @return the window title
*/
public String getTitle() {
// Title depends on the quote bundle we are listing
String title = Locale.getString("TABLE_OF", quoteBundle.getQuoteRange().getDescription());
// If there is only one date it makes sense to tell the user it
if (singleDate)
title = title.concat(" (" + quoteBundle.getLastDate().toString("dd/mm/yyyy") + ")");
return title;
}
/**
* Parse the given text string and returns the stock quote or null if it did not contain a valid
* quote.
*
* @param quoteLine a single line of text containing a quote
* @return the stock quote
* @exception QuoteFormatException if the quote could not be parsed
*/
public EODQuote toEODQuote(String quoteLine) throws QuoteFormatException {
EODQuote quote = null;
if (quoteLine != null) {
String[] quoteParts = quoteLine.split(",");
int i = 0;
if (quoteParts.length == 7) {
Symbol symbol = null;
try {
symbol = Symbol.find(quoteParts[i++]);
} catch (SymbolFormatException e) {
throw new QuoteFormatException(e.getMessage());
}
TradingDate date = null;
try {
date = new TradingDate(quoteParts[i++], TradingDate.BRITISH);
} catch (TradingDateFormatException e) {
throw new QuoteFormatException(e.getMessage());
}
try {
double day_open = Double.parseDouble(quoteParts[i++]);
double day_high = Double.parseDouble(quoteParts[i++]);
double day_low = Double.parseDouble(quoteParts[i++]);
double day_close = Double.parseDouble(quoteParts[i++]);
// Convert volume from 1/100th volume to real volume
long day_volume = Long.parseLong(quoteParts[i++]) * 100;
quote = new EODQuote(symbol, date, day_volume, day_low, day_high, day_open, day_close);
} catch (NumberFormatException e) {
throw new QuoteFormatException(
Locale.getString("ERROR_PARSING_NUMBER", quoteParts[i - 1]));
}
} else throw new QuoteFormatException(Locale.getString("WRONG_FIELD_COUNT"));
}
return quote;
}
private void setGraphic(Dimension preferredSize) {
GridBagLayout gridbag = new GridBagLayout();
TitledBorder titledBorder =
new TitledBorder(Locale.getString("GP_PAGE_INITIAL_POPULATION_LONG"));
this.setBorder(titledBorder);
this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
this.setPreferredSize(preferredSize);
JPanel panelUp = new JPanel();
JPanel panelDown = new JPanel();
panelUp.setLayout(new BoxLayout(panelUp, BoxLayout.Y_AXIS));
panelDown.setLayout(new BoxLayout(panelDown, BoxLayout.Y_AXIS));
TitledBorder titledBorderSectionUp = new TitledBorder(Locale.getString("RULES_PAGE_TITLE"));
TitledBorder titledBorderSectionDown = new TitledBorder(Locale.getString("GP_PAGE_PERCENTAGE"));
panelUp.setBorder(titledBorderSectionUp);
panelDown.setBorder(titledBorderSectionDown);
// GPPageInitialPopulationModule is already declared as global variable
GPPageInitialPopulationModule.setLayout(
new BoxLayout(GPPageInitialPopulationModule, BoxLayout.Y_AXIS));
JScrollPane upDownScrollPane = new JScrollPane(GPPageInitialPopulationModule);
upDownScrollPane.setLayout(new ScrollPaneLayout());
JButton addButton = new JButton(Locale.getString("ADD"));
addButton.addActionListener(
new ActionListener() {
public void actionPerformed(final ActionEvent e) {
addRules();
}
});
JButton editButton = new JButton(Locale.getString("EDIT"));
editButton.addActionListener(
new ActionListener() {
public void actionPerformed(final ActionEvent e) {
editRules();
}
});
JButton deleteButton = new JButton(Locale.getString("DELETE"));
deleteButton.addActionListener(
new ActionListener() {
public void actionPerformed(final ActionEvent e) {
deleteRules();
}
});
JPanel rulesButtons = new JPanel();
rulesButtons.add(addButton);
rulesButtons.add(editButton);
rulesButtons.add(deleteButton);
JButton fitAllButton = new JButton(Locale.getString("FIT"));
fitAllButton.addActionListener(
new ActionListener() {
public void actionPerformed(final ActionEvent e) {
// Fit the percent values for each buy/sell rule
GPPageInitialPopulationModule.fitAll();
// Fit the percent values for random or not
fitAll();
}
});
JButton defaultButton = new JButton(Locale.getString("DEFAULT"));
defaultButton.addActionListener(
new ActionListener() {
public void actionPerformed(final ActionEvent e) {
// Set the values to default, so the GP will work with random generation only
setDefaultValues();
}
});
JPanel innerPanel = new JPanel();
GridBagConstraints c = new GridBagConstraints();
innerPanel.setLayout(gridbag);
// Add Generation number to fix the range of mutation
// the beginning formulas will be modified n times with mutation mechanism
// according to the number in the combo box (user defined).
c.weightx = 1.0;
c.ipadx = 5;
c.anchor = GridBagConstraints.WEST;
generateRandomPopTextRow =
GridBagHelper.addTextRow(
innerPanel,
Locale.getString("GP_PAGE_GENERATE_RANDOM_PERC_TEXT_ROW"),
"",
gridbag,
c,
12);
generateInitPopTextRow =
GridBagHelper.addTextRow(
innerPanel, Locale.getString("GP_PAGE_GENERATE_PERC_TEXT_ROW"), "", gridbag, c, 12);
numberMutationTextRow =
GridBagHelper.addTextRow(
innerPanel,
Locale.getString("GP_PAGE_GENERATE_NUMBER_MUTATION_TEXT_ROW"),
"",
gridbag,
c,
6);
panelUp.add(upDownScrollPane);
rulesButtons.setAlignmentX(CENTER_ALIGNMENT);
panelUp.add(rulesButtons);
panelDown.add(innerPanel);
fitAllButton.setAlignmentX(CENTER_ALIGNMENT);
defaultButton.setAlignmentX(CENTER_ALIGNMENT);
panelDown.add(fitAllButton);
panelDown.add(defaultButton);
this.add(panelUp);
this.add(panelDown);
// Put the default values so that random initial population is the default behaviour
this.setDefaultValues();
}
public String getTitle() {
return Locale.getString("GP_PAGE_INITIAL_POPULATION_SHORT");
}
/**
* Return the name of the filter.
*
* @return the name of the filter.
*/
public String getName() {
return new String("MetaStock (" + Locale.getString("VOLUME") + "/100)");
}
