Java tutorial
/* * JStock - Free Stock Market Software * Copyright (C) 2015 Yan Cheng Cheok <yccheok@yahoo.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package org.yccheok.jstock.gui; import java.awt.Component; import java.text.MessageFormat; import java.text.NumberFormat; import java.text.ParseException; import java.util.Arrays; import java.util.Currency; import java.util.LinkedHashSet; import java.util.List; import java.util.Locale; import java.util.Set; import javax.swing.BorderFactory; import javax.swing.ComboBoxModel; import javax.swing.DefaultComboBoxModel; import javax.swing.JFormattedTextField; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.ListCellRenderer; import javax.swing.text.AbstractDocument; import javax.swing.text.Document; import javax.swing.text.JTextComponent; import javax.swing.text.NumberFormatter; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.yccheok.jstock.engine.Country; import org.yccheok.jstock.internationalization.GUIBundle; import org.yccheok.jstock.portfolio.DecimalPlace; /** * * @author yccheok */ public class OptionsSellAdvisorJPanel extends javax.swing.JPanel implements JStockOptionsObserver { /** Creates new form OptionsSellAdvisorJPanel */ public OptionsSellAdvisorJPanel() { initComponents(); final Component component = this.jComboBox1.getEditor().getEditorComponent(); if (component instanceof JTextComponent) { // Do not allow user to enter more than 5 characters. final Document document = ((JTextComponent) component).getDocument(); if (document instanceof AbstractDocument) { ((AbstractDocument) document).setDocumentFilter(new DocumentSizeFilter(5)); } } } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { org.jdesktop.swingx.JXHeader jXHeader1 = new org.jdesktop.swingx.JXHeader(); javax.swing.JPanel jPanel1 = new javax.swing.JPanel(); javax.swing.JPanel jPanel2 = new javax.swing.JPanel(); javax.swing.JLabel jLabel1 = new javax.swing.JLabel(); jFormattedTextField1 = getPercentageJFormattedTextField(); javax.swing.JPanel jPanel3 = new javax.swing.JPanel(); javax.swing.JLabel jLabel3 = new javax.swing.JLabel(); jComboBox3 = new javax.swing.JComboBox(); javax.swing.JPanel jPanel4 = new javax.swing.JPanel(); javax.swing.JLabel jLabel2 = new javax.swing.JLabel(); jComboBox1 = new javax.swing.JComboBox(); jComboBox2 = new javax.swing.JComboBox(); jCheckBox1 = new javax.swing.JCheckBox(); setLayout(new java.awt.BorderLayout()); java.util.ResourceBundle bundle = java.util.ResourceBundle.getBundle("org/yccheok/jstock/data/gui"); // NOI18N jXHeader1.setDescription(bundle.getString("OptionsSellAdvisorJPanel_Description")); // NOI18N jXHeader1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/32x32/money3.png"))); // NOI18N jXHeader1.setTitle(bundle.getString("OptionsSellAdvisorJPanel_Wealth")); // NOI18N add(jXHeader1, java.awt.BorderLayout.NORTH); jPanel2.setBorder(javax.swing.BorderFactory .createTitledBorder(bundle.getString("OptionsSellAdvisorJPanel_BestSellPriceSuggestion"))); // NOI18N jLabel1.setText(bundle.getString("OptionsSellAdvisorJPanel_ExpectedProfitPercentage")); // NOI18N javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2); jPanel2.setLayout(jPanel2Layout); jPanel2Layout .setHorizontalGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup().addContainerGap().addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jFormattedTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 58, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(135, Short.MAX_VALUE))); jPanel2Layout.setVerticalGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel2Layout.createSequentialGroup().addContainerGap().addGroup(jPanel2Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jLabel1) .addComponent(jFormattedTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); jPanel3.setBorder( javax.swing.BorderFactory.createTitledBorder(bundle.getString("OptionsSellAdvisorJPanel_Wealth"))); // NOI18N jLabel3.setText(bundle.getString("OptionsSellAdvisorJPanel_StockValueDisplay")); // NOI18N jComboBox3.setModel(getDecimalPlaceComboBoxModel()); javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3); jPanel3.setLayout(jPanel3Layout); jPanel3Layout.setHorizontalGroup(jPanel3Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel3Layout.createSequentialGroup().addContainerGap().addComponent(jLabel3) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jComboBox3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); jPanel3Layout.setVerticalGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel3Layout.createSequentialGroup() .addContainerGap(12, Short.MAX_VALUE) .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel3).addComponent(jComboBox3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addContainerGap())); jPanel4.setBorder(javax.swing.BorderFactory .createTitledBorder(bundle.getString("OptionsSellAdvisorJPanel_Currency"))); // NOI18N jLabel2.setText(bundle.getString("OptionsSellAdvisorJPanel_Symbol")); // NOI18N jComboBox1.setEditable(true); jComboBox1.setModel(getComboBoxModel()); jComboBox2.setModel(getCountryComboBoxModel()); jComboBox2.setRenderer(new MyCellRenderer()); jCheckBox1.setText(bundle.getString("OptionsSellAdvisorJPanel_Currency")); // NOI18N jCheckBox1.addItemListener(new java.awt.event.ItemListener() { public void itemStateChanged(java.awt.event.ItemEvent evt) { jCheckBox1ItemStateChanged(evt); } }); javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4); jPanel4.setLayout(jPanel4Layout); jPanel4Layout.setHorizontalGroup(jPanel4Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel4Layout.createSequentialGroup().addContainerGap() .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jCheckBox1) .addGroup(jPanel4Layout.createSequentialGroup().addGap(21, 21, 21) .addComponent(jLabel2))) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, 64, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); jPanel4Layout.setVerticalGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel4Layout.createSequentialGroup().addContainerGap().addGroup(jPanel4Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jCheckBox1) .addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel2)) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup(jPanel1Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup() .addContainerGap() .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(jPanel4, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jPanel3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jPanel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addContainerGap())); jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel1Layout.createSequentialGroup().addContainerGap() .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(21, Short.MAX_VALUE))); add(jPanel1, java.awt.BorderLayout.CENTER); }// </editor-fold>//GEN-END:initComponents private void jCheckBox1ItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_jCheckBox1ItemStateChanged updateGUIState(); }//GEN-LAST:event_jCheckBox1ItemStateChanged // Update the GUI state of combo box, according to currency exchange enable // feature. private void updateGUIState() { jComboBox2.setEnabled(jCheckBox1.isSelected()); } private JFormattedTextField getPercentageJFormattedTextField() { NumberFormat format = NumberFormat.getNumberInstance(); NumberFormatter formatter = new NumberFormatter(format); formatter.setMinimum(0.0); formatter.setMaximum(null); formatter.setValueClass(Double.class); JFormattedTextField field = new JFormattedTextField(formatter); return field; } private ComboBoxModel getCountryComboBoxModel() { // Ensure thread safety for lazy initialization technique. synchronized (defaultCountryComboBoxModel) { // Lazy initialization. if (defaultCountryComboBoxModel.getSize() > 0) { return defaultCountryComboBoxModel; } for (Country country : Country.values()) { defaultCountryComboBoxModel.addElement(country); } } return defaultCountryComboBoxModel; } private ComboBoxModel getDecimalPlaceComboBoxModel() { return new javax.swing.DefaultComboBoxModel(new String[] { MessageFormat.format(GUIBundle.getString("OptionsSellAdvisorJPanel_DecimalPlaces_template"), 2), MessageFormat.format(GUIBundle.getString("OptionsSellAdvisorJPanel_DecimalPlaces_template"), 3), MessageFormat.format(GUIBundle.getString("OptionsSellAdvisorJPanel_DecimalPlaces_template"), 4) }); } private static ComboBoxModel getComboBoxModel() { synchronized (defaultComboBoxModel) { if (defaultComboBoxModel.getSize() > 0) { return defaultComboBoxModel; } String[] countries = { "AU", // Austrialia "AT", // Austria "BE", // Belgium "BR", // Brazil "CA", // Canada "CN", // China "CZ", // Czech "DK", // Denmark "FR", // France "DE", // Germany "HK", // HongKong "HU", // Hungary "IN", // India "ID", // Indonesia "IT", // Italy "KR", // Korea "MY", // Malaysia "NL", // Netherlands "NZ", // NewZealand "NO", // Norway "PT", // Portugal "SG", // Singapore "ES", // Spain "SE", // Sweden "CH", // Switzerland "TW", // Taiwan "GB", // Unitedkingdom "US", // UnitedState }; final List<String> countryList = Arrays.asList(countries); final Locale[] locales = Locale.getAvailableLocales(); // Order is important. final Set<String> set = new LinkedHashSet<String>(); set.add(Utils.getDefaultCurrencySymbol()); for (Locale locale : locales) { if (countryList.contains(locale.getCountry()) == false) { continue; } set.add(Currency.getInstance(locale).getSymbol(locale)); } for (String s : set) { defaultComboBoxModel.addElement(s); } } return defaultComboBoxModel; } private void commitEdit() { try { jFormattedTextField1.commitEdit(); } catch (ParseException ex) { log.error(null, ex); } } @Override public void set(JStockOptions jStockOptions) { this.jFormattedTextField1.setValue(jStockOptions.getExpectedProfitPercentage()); this.jComboBox1.setSelectedItem(jStockOptions.getCurrencySymbol(jStockOptions.getCountry())); this.jComboBox2.setSelectedItem(jStockOptions.getLocalCurrencyCountry(jStockOptions.getCountry())); this.jCheckBox1.setSelected(jStockOptions.isCurrencyExchangeEnable(jStockOptions.getCountry())); this.jComboBox3.setSelectedIndex(jStockOptions.getDecimalPlace().ordinal()); commitEdit(); updateGUIState(); } @Override public boolean apply(JStockOptions jStockOptions) { commitEdit(); jStockOptions.setExpectedProfitPercentage((Double) jFormattedTextField1.getValue()); final String currencySymbol = jComboBox1.getSelectedItem().toString().trim(); if (currencySymbol.isEmpty() == false) { jStockOptions.setCurrencySymbol(jStockOptions.getCountry(), currencySymbol); } jStockOptions.setCurrencyExchangeEnable(jStockOptions.getCountry(), jCheckBox1.isSelected()); jStockOptions.setLocalCurrencyCountry(jStockOptions.getCountry(), (Country) jComboBox2.getSelectedItem()); jStockOptions.setDecimalPlace(DecimalPlace.values()[this.jComboBox3.getSelectedIndex()]); // Remember to refresh the GUIs as well. JStock.instance().getPortfolioManagementJPanel().refreshCurrencySymbol(); // Update the new state of currency exchange monitor. JStock.instance().initExchangeRateMonitor(); return true; } // Display an icon and a string for each object in the list. private static class MyCellRenderer extends JLabel implements ListCellRenderer { public MyCellRenderer() { super(); this.setBorder(BorderFactory.createEmptyBorder(2, 0, 2, 0)); } // This is the only method defined by ListCellRenderer. // We just reconfigure the JLabel each time we're called. @Override public Component getListCellRendererComponent(JList list, // the list Object value, // value to display int index, // cell index boolean isSelected, // is the cell selected boolean cellHasFocus) // does the cell have focus { if (value instanceof Country) { Country country = (Country) value; setText(country.humanString); setIcon(country.icon); } else { String s = value.toString(); setText(s); } if (isSelected) { setBackground(list.getSelectionBackground()); setForeground(list.getSelectionForeground()); } else { setBackground(list.getBackground()); setForeground(list.getForeground()); } setEnabled(list.isEnabled()); setFont(list.getFont()); setOpaque(true); return this; } } private static final Log log = LogFactory.getLog(OptionsSellAdvisorJPanel.class); private static final DefaultComboBoxModel defaultComboBoxModel = new DefaultComboBoxModel(); // Do not have this combo box model as static. As we do not want to have // current selected country in the combo box, different country will need // to have different combo box model. private final DefaultComboBoxModel defaultCountryComboBoxModel = new DefaultComboBoxModel(); // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JCheckBox jCheckBox1; private javax.swing.JComboBox jComboBox1; private javax.swing.JComboBox jComboBox2; private javax.swing.JComboBox jComboBox3; private javax.swing.JFormattedTextField jFormattedTextField1; // End of variables declaration//GEN-END:variables }