Java tutorial
/* * JStock - Free Stock Market Software * Copyright (C) 2011 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.portfolio; import java.text.DecimalFormat; import java.text.MessageFormat; import java.text.NumberFormat; import java.text.ParseException; import javax.swing.ComboBoxModel; import javax.swing.JFormattedTextField; import javax.swing.text.NumberFormatter; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.yccheok.jstock.engine.StockInfo; import org.yccheok.jstock.internationalization.GUIBundle; /** * * @author yccheok */ public class SplitJDialog extends javax.swing.JDialog { /** * Constructs new SplitJDialog. * * @param parent the parent * @param modal true if this should be a model dialog * @param stockInfo stock info of the stock to be split */ public SplitJDialog(java.awt.Frame parent, boolean modal, StockInfo stockInfo) { super(parent, modal); initComponents(); this.stockInfo = stockInfo; updateGUI(); } /** 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() { jPanel1 = new javax.swing.JPanel(); jComboBox1 = new javax.swing.JComboBox(); jFormattedTextField1 = getUnitJFormattedTextField(); jLabel1 = new javax.swing.JLabel(); jFormattedTextField2 = getUnitJFormattedTextField(); jLabel2 = new javax.swing.JLabel(); jPanel2 = new javax.swing.JPanel(); jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); setTitle(""); setResizable(false); jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("")); jComboBox1.setModel(getComboBoxModel()); jComboBox1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jComboBox1ActionPerformed(evt); } }); jFormattedTextField1.setPreferredSize(new java.awt.Dimension(40, 20)); jFormattedTextField2.setPreferredSize(new java.awt.Dimension(40, 20)); java.util.ResourceBundle bundle = java.util.ResourceBundle.getBundle("org/yccheok/jstock/data/gui"); // NOI18N jLabel2.setText(bundle.getString("SplitJDialog_Unit")); // NOI18N javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup(jPanel1Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel1Layout.createSequentialGroup().addContainerGap() .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jFormattedTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jFormattedTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(jLabel2) .addContainerGap(17, Short.MAX_VALUE))); jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel1Layout.createSequentialGroup().addGroup(jPanel1Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jFormattedTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel1) .addComponent(jFormattedTextField2, 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))); getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER); jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/16x16/apply.png"))); // NOI18N jButton1.setText(bundle.getString("SplitJDialog_OK")); // NOI18N jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } }); jPanel2.add(jButton1); jButton2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/16x16/button_cancel.png"))); // NOI18N jButton2.setText(bundle.getString("SplitJDialog_Cancel")); // NOI18N jButton2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton2ActionPerformed(evt); } }); jPanel2.add(jButton2); getContentPane().add(jPanel2, java.awt.BorderLayout.SOUTH); pack(); }// </editor-fold>//GEN-END:initComponents private void jComboBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jComboBox1ActionPerformed updateGUI(); }//GEN-LAST:event_jComboBox1ActionPerformed private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed try { jFormattedTextField1.commitEdit(); jFormattedTextField2.commitEdit(); } catch (ParseException ex) { log.error(null, ex); } Double v0 = (Double) jFormattedTextField1.getValue(); Double v1 = (Double) jFormattedTextField2.getValue(); if (v0 == null || v1 == null) { // Null value do not make sense. return; } double _v0 = v0; double _v1 = v1; if (_v0 <= 0.0 || _v1 <= 0.0) { // Negative and zero value do not make sense. return; } this.ratio = _v1 / _v0; this.setVisible(false); this.dispose(); }//GEN-LAST:event_jButton1ActionPerformed private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed this.ratio = null; this.setVisible(false); this.dispose(); }//GEN-LAST:event_jButton2ActionPerformed private ComboBoxModel getComboBoxModel() { return new javax.swing.DefaultComboBoxModel(new String[] { GUIBundle.getString("SplitJDialog_Split"), GUIBundle.getString("SplitJDialog_Merge"), }); } private void updateGUI() { if (jComboBox1.getSelectedItem().equals(GUIBundle.getString("SplitJDialog_Split"))) { String title = MessageFormat.format(GUIBundle.getString("SplitJDialog_Split_template"), stockInfo.symbol); this.setTitle(title); String message = MessageFormat.format(GUIBundle.getString("SplitJDialog_UnitTo_template"), stockInfo.symbol); jLabel1.setText(message); jFormattedTextField1.setEditable(false); jFormattedTextField2.setEditable(true); jFormattedTextField1.setValue(new Double(1.0)); jFormattedTextField2.setValue(new Double(1.0)); } else { assert (jComboBox1.getSelectedItem().equals(GUIBundle.getString("SplitJDialog_Merge"))); String title = MessageFormat.format(GUIBundle.getString("SplitJDialog_Merge_template"), stockInfo.symbol); this.setTitle(title); String message = MessageFormat.format(GUIBundle.getString("SplitJDialog_UnitTo_template"), stockInfo.symbol); jLabel1.setText(message); jFormattedTextField1.setEditable(true); jFormattedTextField2.setEditable(false); jFormattedTextField1.setValue(new Double(1.0)); jFormattedTextField2.setValue(new Double(1.0)); } } private JFormattedTextField getUnitJFormattedTextField() { NumberFormat format = new DecimalFormat("#,##0.###"); NumberFormatter formatter = new NumberFormatter(format); formatter.setMinimum(1.0); formatter.setValueClass(Double.class); JFormattedTextField field = new JFormattedTextField(formatter); return field; } /** * Returns the ratio of splitting. If this is a reverse split (aka merging), * ratio will be less than 1, but greater than 0. Returns null if user * doesn't press OK button. * * @return the ratio of splitting */ public Double getRatio() { return ratio; } private final StockInfo stockInfo; private Double ratio = null; private static final Log log = LogFactory.getLog(SplitJDialog.class); // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JComboBox jComboBox1; private javax.swing.JFormattedTextField jFormattedTextField1; private javax.swing.JFormattedTextField jFormattedTextField2; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JPanel jPanel1; private javax.swing.JPanel jPanel2; // End of variables declaration//GEN-END:variables }