/******************************************************************************** * * * (c) Copyright 2010 Verizon Communications USA and The Open University UK * * * * This software is freely distributed in accordance with * * the GNU Lesser General Public (LGPL) license, version 3 or later * * as published by the Free Software Foundation. * * For details see LGPL: http://www.fsf.org/licensing/licenses/lgpl.html * * and GPL: http://www.fsf.org/licensing/licenses/gpl-3.0.html * * * * This software is provided by the copyright holders and contributors "as is" * * and any express or implied warranties, including, but not limited to, the * * implied warranties of merchantability and fitness for a particular purpose * * are disclaimed. In no event shall the copyright owner or contributors be * * liable for any direct, indirect, incidental, special, exemplary, or * * consequential damages (including, but not limited to, procurement of * * substitute goods or services; loss of use, data, or profits; or business * * interruption) however caused and on any theory of liability, whether in * * contract, strict liability, or tort (including negligence or otherwise) * * arising in any way out of the use of this software, even if advised of the * * possibility of such damage. * * * ********************************************************************************/ package com.compendium.ui.panels; import java.awt.event.ActionEvent; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import javax.swing.JComboBox; import javax.swing.JLabel; import com.compendium.LanguageProperties; /** * This class draws a panel containing choiceboxes to edit/diplay a date and time. * It sublcasses UIDatePanel. * * @author Michelle Bachler */ public class UITimePanel extends UIDatePanel { /** The choice box for the hour information.*/ protected JComboBox hourBox = null; /** The choice box for the minute information.*/ protected JComboBox minuteBox = null; /** The original hour information.*/ protected int originalHour = 0; /** The original date information.*/ protected int originalMinute = 0; /** The current hour information.*/ protected int hour = 0; /** The current minute information.*/ protected int minute = 0; /** * Constructor, does nothing. */ public UITimePanel() {} /** * Constructor, takes a string which is the label to associate with this panel. * @param String labelText, the label to associate with this panel. */ public UITimePanel(String labelText) { super(); drawPanel(labelText); setDate((new Date()).getTime()); } /** * Draw this panel, with the given label. * @param String labelText, the label to associate with this time panel. */ public void drawPanel(String labelText) { super.drawPanel(labelText); int i=0; JLabel label = new JLabel(LanguageProperties.getString(LanguageProperties.PANELS_BUNDLE, "UITimePanel.at")+":"); //$NON-NLS-1$ add(label); hourBox = new JComboBox(); hourBox.addActionListener(this); for (i=1; i<25; i++) { hourBox.addItem(new Integer(i).toString()); } add(hourBox); minuteBox = new JComboBox(); minuteBox.addActionListener(this); for (i=0; i<60; i++) { if (i<10) minuteBox.addItem("0"+new Integer(i).toString()); //$NON-NLS-1$ else minuteBox.addItem(new Integer(i).toString()); } add(minuteBox); } // GETTERS AND SETTERS /** * Set the current date and time displayed * @param long dateMillis, date to set, in milliseconds */ public void setDate(long dateMillis) { if (dateMillis == 0) dateMillis = (new Date()).getTime(); GregorianCalendar calendar = new GregorianCalendar(); Date date = new Date(); date.setTime(dateMillis); calendar.setTime(date); originalDay = calendar.get(Calendar.DATE); originalMonth = calendar.get(Calendar.MONTH); originalYear = calendar.get(Calendar.YEAR); originalHour = calendar.get(Calendar.HOUR_OF_DAY); originalMinute = calendar.get(Calendar.MINUTE); day = calendar.get(Calendar.DATE); month = calendar.get(Calendar.MONTH); year = calendar.get(Calendar.YEAR); hour = calendar.get(Calendar.HOUR_OF_DAY); minute = calendar.get(Calendar.MINUTE); dayBox.setSelectedIndex(day-1); monthBox.setSelectedIndex(month); yearBox.setSelectedItem(new Integer(year).toString()); hourBox.setSelectedItem(new Integer(hour).toString()); minuteBox.setSelectedItem(new Integer(minute).toString()); } /** * Return the date. * @return GregorianCalendar, the current date entered */ public GregorianCalendar getDate() { GregorianCalendar calendar = null; if (day > 0 && month >= 0 && year > 0) { calendar = new GregorianCalendar(year, month, day, hour, minute); } return calendar; } // OTHER METHODS /** * Check if the current date set is a valid date and return if true or false * @return boolean, is the current date entered valid */ public boolean checkDate() { if (day > 0 && month >= 0 && year > 0 && hour > 0 && minute >= 0) return true; return false; } /** * Enable/disable the date choide boxes. * @param boolean state, true for enabled, false for disabled. */ public void setDateEnabled(boolean state) { dayBox.setEnabled(state); monthBox.setEnabled(state); yearBox.setEnabled(state); hourBox.setEnabled(state); minuteBox.setEnabled(state); } /** * Return if the date set has been modified * @return boolean, has the current date been modified */ public boolean dateChanged() { if (day != originalDay || month != originalMonth || year != originalYear || hour != originalHour || minute != originalMinute) { return true; } return false; } /** * Validate the date being entered each time a date element choice box is changed. * @param e the ActionEvent object for this event. */ public void actionPerformed(ActionEvent e) { Object source = e.getSource(); if (source.equals(dayBox) || source.equals(monthBox) || source.equals(yearBox)) { super.actionPerformed(e); } else if (source.equals(hourBox)) { hour = new Integer( (String)hourBox.getSelectedItem() ).intValue(); } else if (source.equals(minuteBox)) { String sMinute = (String)minuteBox.getSelectedItem(); if (sMinute.startsWith("0") && sMinute.length() == 2) //$NON-NLS-1$ minute = new Integer( sMinute.substring(1) ).intValue(); else minute = new Integer( sMinute ).intValue(); } } }