542 lines
19 KiB
Java
542 lines
19 KiB
Java
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/*
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File: DatePanel.java
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University of Applied Science Berne,HTA-Biel/Bienne,
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Computer Science Department.
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Diploma thesis J3D Solar System Simulator
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Originally written by Marcel Portner & Bernhard Hari (c) 2000
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CVS - Information :
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$Header: /var/cvsreps/projects/c450/2000/sss3d/source_diploma/sss3d/gui/DatePanel.java,v 1.7 2000/12/12 12:01:01 harib Exp $
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$Author: harib $
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$Date: 2000/12/12 12:01:01 $
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$State: Exp $
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*/
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package sss3d.gui;
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import sss3d.contentbranch.*;
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import sss3d.utils.xmlparser.*;
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import sss3d.utils.observer.*;
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import sss3d.gui.*;
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import sss3d.utils.SSS3dConstants;
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import sss3d.calculations.TimeCalc; // converts values between time formats
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import java.awt.*;
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import javax.swing.*;
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import java.awt.event.*;
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import java.util.*;
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import javax.swing.event.*;
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import javax.swing.text.Document;
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/**
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* Shows the start settings of the simulator date.
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*
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* @author Marcel Portner & Bernhard Hari
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* @version $Revision: 1.7 $
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*/
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public class DatePanel extends JPanel implements ActionListener, ItemListener, DocumentListener{
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private InitializationPanel iniPanel;
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private ObjectsInformation objInfo;
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private int parameter = -1;
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private int mode = SSS3dConstants.RUNTIME_MODE;
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private JComboBox day;
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private JComboBox month;
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private JTextField year;
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private JComboBox hour;
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private JComboBox minute;
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private JComboBox second;
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private JTextField jday;
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private JTextPane warning;
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private JButton button;
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// variables to check the new date
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private TimeCalc timeCalculator;
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private boolean changedJDay = false;
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private boolean changedGCalendar = false;
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private boolean update = false;
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private boolean formatException = false;
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int dd = 1; // day
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int mm = 1; // month
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int yyyy = 2000; // year
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int hh = 12; // hour
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int m = 0; // minute
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int ss = 0; // second
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double jd = 2451545.0; // julian day
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private final String [] MONTH_NAMES = {
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"January","February","March","April","May","June","July",
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"August","September","October","November","December"
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};
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int[] daysInMonth =
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{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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/**
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* Creates a DatePanel.
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*
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* @param iniPanel an object reference to an instance of InitializationPanel
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*/
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public DatePanel( InitializationPanel iniPanel ) {
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super();
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this.iniPanel = iniPanel;
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this.mode = iniPanel.getMode();
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objInfo = iniPanel.getObjectsInformation();
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initialize();
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}
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/**
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* Creates a DatePanel.
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*
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* @param objInfo an object reference to an instance of ObjectsInformation
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*/
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public DatePanel( ObjectsInformation objInfo ) {
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super();
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this.objInfo = objInfo;
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initialize();
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}
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/**
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* Builds the GUI
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*/
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public void initialize( ) {
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timeCalculator = new TimeCalc();
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// create GUI
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setLayout( new BoxLayout( this, BoxLayout.Y_AXIS ) );
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JLabel date = new JLabel("date");
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date.setAlignmentX(LEFT_ALIGNMENT);
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add(date);
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JPanel valuesPanel = new JPanel();
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valuesPanel.setAlignmentX(LEFT_ALIGNMENT);
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valuesPanel.setBorder(BorderFactory.createEmptyBorder(10,0,10,0));
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if ( iniPanel != null ) {
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valuesPanel.setLayout( new GridLayout( 7,2 ) );
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} else {
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valuesPanel.setLayout( new GridLayout( 14, 1) );
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}
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.DAY]) );
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day = new JComboBox( createLabels(1,31) );
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int value = ((Integer)objInfo.getParameter(XMLConstants.DAY)).intValue();
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dd = value;
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day.setSelectedIndex(value - 1); // index starts at 0
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day.addItemListener(this);
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valuesPanel.add(day);
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.MONTH]) );
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month = new JComboBox( MONTH_NAMES );
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value = ((Integer)objInfo.getParameter(XMLConstants.MONTH)).intValue();
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mm = value;
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month.setSelectedIndex(value - 1); // index starts at 0
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month.addItemListener(this);
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valuesPanel.add(month);
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.YEAR]) );
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year = new JTextField("2000");
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value = ((Integer)objInfo.getParameter(XMLConstants.YEAR)).intValue();
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yyyy = value;
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year.setText(Integer.toString(value));
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year.getDocument().addDocumentListener(this);
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year.getDocument().putProperty("name","year");
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valuesPanel.add(year);
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.HOUR]) );
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hour = new JComboBox( createLabels(0,23) );
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value = ((Integer)objInfo.getParameter(XMLConstants.HOUR)).intValue();
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hh = value;
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hour.setSelectedIndex(value);
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hour.addItemListener(this);
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valuesPanel.add(hour);
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.MINUTES]) );
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minute = new JComboBox( createLabels(0,59) );
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value = ((Integer)objInfo.getParameter(XMLConstants.MINUTES)).intValue();
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m = value;
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minute.setSelectedIndex(value);
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minute.addItemListener(this);
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valuesPanel.add(minute);
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.SECONDS]) );
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second = new JComboBox( createLabels(0,59) );
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value = ((Integer)objInfo.getParameter(XMLConstants.SECONDS)).intValue();
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ss = value;
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second.setSelectedIndex(value);
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second.addItemListener(this);
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valuesPanel.add(second);
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valuesPanel.add( new JLabel(XMLConstants.treeElementNames[XMLConstants.JDAY]) );
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jday = new JTextField("2451545.0");
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Double v = (Double)objInfo.getParameter(XMLConstants.JDAY);
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jd = v.doubleValue();
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jday.setText(v.toString());
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jday.getDocument().addDocumentListener(this);
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jday.getDocument().putProperty("name","jday");
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valuesPanel.add(jday);
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add(valuesPanel);
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button = new JButton("update");
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button.setAlignmentX(LEFT_ALIGNMENT);
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button.setActionCommand("update");
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button.addActionListener(this);
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add(button);
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warning = new JTextPane();
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warning.setBackground(this.getBackground());
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warning.setText("");
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warning.setAlignmentX(LEFT_ALIGNMENT);
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warning.setVisible(true);
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warning.setEditable(false);
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add(warning);
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setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
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this.setAlignmentX(LEFT_ALIGNMENT);
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// enable/disable components depending on they can be changed during
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// runtime mode
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switch ( mode ) {
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case SSS3dConstants.RUNTIME_MODE :
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day.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.DAY]);
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month.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.MONTH]);
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year.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.YEAR]);
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hour.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.HOUR]);
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minute.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.MINUTES]);
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second.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.SECONDS]);
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jday.setEnabled(XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.JDAY]);
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break;
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default : break;
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}
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this.setVisible(true);
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}
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/**
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* Method to create the labels (numbers) of the JComboBoxes
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*
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* @param min the smallest selectable value
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* @param max the bigest selectable value
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*/
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private String[] createLabels( int min, int max ) {
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int offset = 0;
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if( min == 0 ) offset = 1;
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if( min > 1 ) offset = (- min) + 1 ;
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String labels[] = new String[max + offset];
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for ( int i = min; i <= max; i++) {
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labels[ i - min ] = new String(Integer.toString(i));
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}
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return labels;
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}
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/**
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* Checks if day, month , and year are correct.
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* Makes checks on leapyear, month february and century.
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*
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* @ returns boolean true if given date is valid
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*/
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private boolean checkGregorianDay() {
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boolean correct = false;
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if ( mm > 0 && mm <= 12 ) {
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if ( mm == 2 ) { // checks if month is equal to February
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if ( dd > 0 && dd <= 29 ) {
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if ( dd == 29 ) {
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if ( yyyy % 4 == 0 ) { // should be always true
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if ( yyyy % 400 == 0) {
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correct = true;
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} else {
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if ( yyyy % 100 == 0 ) {
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//vallid = false;
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} else {
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correct = true;
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}
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}
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} // else yyyy isn't a leapyear 29. February isnt' correct
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} else {
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correct = true;
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}
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}
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} else { // for January, March, April, May, June, July, August, September,
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// October, November and December do...
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int maxDays = daysInMonth[ mm -1 ];
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if ( dd > 0 && dd <= maxDays ) {
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correct = true;
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}
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}
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}
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return correct;
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}
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/**
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* Checks if entered days are correct
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*
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* @return boolean true if values are correct
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*/
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private boolean checkValues() {
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boolean valid = false;
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if ( formatException ) {
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year.setText(Integer.toString(yyyy));
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jday.setText(Double.toString(jd));
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warning.setText("Value automatically reseted !");
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formatException = false;
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} else if( changedGCalendar ) {
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// user changed only values inside GCalendar
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if ( checkGregorianDay() ) {
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jd = timeCalculator.mjd(yyyy, mm, dd, hh, m, ss);
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jd = jd + 2400000.5;
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jday.setText( new Double(jd).toString() );
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valid = true;
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}else {
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warning.setText("Entered values are not valid !");
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}
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} else if ( changedJDay ) {
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// user changed julian day
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jd = ( new Double(jday.getText()) ).doubleValue();
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double j = jd - 2400000.5;
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int calendar[] = timeCalculator.calDat(j);
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year.setText( Integer.toString(calendar[0]) ) ; // year
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month.setSelectedIndex( calendar[1] - 1 ) ; // month
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day.setSelectedIndex( calendar[2] - 1) ; // day
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hour.setSelectedIndex( calendar[3] ) ; // hour
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minute.setSelectedIndex( calendar[4] ) ; // minute
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second.setSelectedIndex( calendar[5] ) ; // second
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valid = true;
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} else if ( update ) {
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if ( checkGregorianDay() ) {
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jd = timeCalculator.mjd(yyyy, mm, dd, hh, m, ss);
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jd = jd + 2400000.5;
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jday.setText( new Double(jd).toString() );
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valid = true;
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}else {
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warning.setText("Entered values are not valid !");
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}
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}
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if( valid )warning.setText("");
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return valid;
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}
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public void update() {
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int value = ((Integer)objInfo.getParameter(XMLConstants.DAY)).intValue();
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day.setSelectedIndex(value - 1); // index starts at 0
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value = ((Integer)objInfo.getParameter(XMLConstants.MONTH)).intValue();
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month.setSelectedIndex(value - 1); // index starts at 0
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value = ((Integer)objInfo.getParameter(XMLConstants.YEAR)).intValue();
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year.setText(Integer.toString(value));
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value = ((Integer)objInfo.getParameter(XMLConstants.HOUR)).intValue();
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hour.setSelectedIndex(value);
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value = ((Integer)objInfo.getParameter(XMLConstants.MINUTES)).intValue();
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minute.setSelectedIndex(value);
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value = ((Integer)objInfo.getParameter(XMLConstants.SECONDS)).intValue();
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second.setSelectedIndex(value);
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Double v = (Double)objInfo.getParameter(XMLConstants.JDAY);
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jday.setText(v.toString());
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}
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/**
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* Implementation of action listener.
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* Called if user pushes the update button.
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*
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* @param e java.awt.event.ActionEvent
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*/
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public void actionPerformed(java.awt.event.ActionEvent e) {
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if (e.getActionCommand().equals("update")) {
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try {
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//System.out.println("Pushed update button : "+dd+":"+mm+":"+yyyy+":"+hh+":"+m+":"+ss+":"+jd);
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update = true;
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// first check if entered values are correct
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if ( checkValues() ) {
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if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
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( mode == SSS3dConstants.RUNTIME_MODE &&
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XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.DAY]) ) {
|
||
|
|
|
||
|
|
objInfo.setParameter(new Integer(dd),XMLConstants.DAY);
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Integer(dd),XMLConstants.DAY );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
|
||
|
|
( mode == SSS3dConstants.RUNTIME_MODE &&
|
||
|
|
XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.MONTH]) ) {
|
||
|
|
|
||
|
|
objInfo.setParameter(new Integer(mm),XMLConstants.MONTH);
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Integer(mm),XMLConstants.MONTH );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
|
||
|
|
( mode == SSS3dConstants.RUNTIME_MODE &&
|
||
|
|
XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.YEAR]) ) {
|
||
|
|
|
||
|
|
objInfo.setParameter(new Integer(yyyy),XMLConstants.YEAR);
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Integer(yyyy),XMLConstants.YEAR );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
|
||
|
|
( mode == SSS3dConstants.RUNTIME_MODE &&
|
||
|
|
XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.HOUR]) ) {
|
||
|
|
|
||
|
|
objInfo.setParameter(new Integer(hh),XMLConstants.HOUR);
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Integer(hh),XMLConstants.HOUR );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
|
||
|
|
( mode == SSS3dConstants.RUNTIME_MODE &&
|
||
|
|
XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.MINUTES]) ) {
|
||
|
|
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Integer(m),XMLConstants.MINUTES );
|
||
|
|
objInfo.setParameter(new Integer(m),XMLConstants.MINUTES);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
|
||
|
|
( mode == SSS3dConstants.RUNTIME_MODE &&
|
||
|
|
XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.SECONDS]) ) {
|
||
|
|
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Integer(ss),XMLConstants.SECONDS );
|
||
|
|
objInfo.setParameter(new Integer(ss),XMLConstants.SECONDS);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( mode == SSS3dConstants.INITIALIZATION_MODE ||
|
||
|
|
( mode == SSS3dConstants.RUNTIME_MODE &&
|
||
|
|
XMLConstants.MODIFIABLE_VALUES_AT_RUNTIME[XMLConstants.JDAY]) ) {
|
||
|
|
|
||
|
|
if( iniPanel != null )iniPanel.updateTreeViewInfo( new Double(jd),XMLConstants.JDAY );
|
||
|
|
objInfo.setParameter(new Double(jd),XMLConstants.JDAY);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
} catch(NumberFormatException nfe) {
|
||
|
|
warning.setText("Input is not a Number !!!");
|
||
|
|
}
|
||
|
|
changedJDay = false;
|
||
|
|
changedGCalendar = false;
|
||
|
|
update = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Listens to diffrent input components.
|
||
|
|
* It checks the entered values if they are correct.
|
||
|
|
*
|
||
|
|
* @param e an instance of ItemEvent
|
||
|
|
*/
|
||
|
|
public void itemStateChanged(ItemEvent e) {
|
||
|
|
|
||
|
|
Object source = e.getItemSelectable();
|
||
|
|
if ( day.hasFocus() || month.hasFocus() || hour.hasFocus() ||
|
||
|
|
minute.hasFocus() || second.hasFocus() ) {
|
||
|
|
if (source == day ||
|
||
|
|
source == month ||
|
||
|
|
source == hour ||
|
||
|
|
source == minute ||
|
||
|
|
source == second ) {
|
||
|
|
// set values
|
||
|
|
dd = day.getSelectedIndex() + 1;
|
||
|
|
mm = month.getSelectedIndex() + 1;
|
||
|
|
hh = hour.getSelectedIndex();
|
||
|
|
m = minute.getSelectedIndex();
|
||
|
|
ss = second.getSelectedIndex();
|
||
|
|
|
||
|
|
changedGCalendar = true;
|
||
|
|
changedJDay = false;
|
||
|
|
checkValues();
|
||
|
|
changedGCalendar = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* DocumentListener - this method is called if user adds chars to text input field.
|
||
|
|
*
|
||
|
|
* @param e an instance of DocumentEvent
|
||
|
|
*/
|
||
|
|
public void insertUpdate(DocumentEvent e) {
|
||
|
|
|
||
|
|
Document doc = e.getDocument();
|
||
|
|
|
||
|
|
if (doc.getProperty("name").equals("year")) {
|
||
|
|
if ( year.hasFocus() ) {
|
||
|
|
|
||
|
|
// set new value
|
||
|
|
try {
|
||
|
|
yyyy = (new Integer(year.getText())).intValue();
|
||
|
|
|
||
|
|
changedGCalendar = true;
|
||
|
|
changedJDay = false;
|
||
|
|
checkValues();
|
||
|
|
changedGCalendar = false;
|
||
|
|
|
||
|
|
} catch(IllegalStateException exception) {
|
||
|
|
// it's a work around a problem
|
||
|
|
} catch(NumberFormatException nfe) {
|
||
|
|
warning.setText("Year is not an integer value !");
|
||
|
|
//year.setText(Integer.toString(yyyy));
|
||
|
|
// is not possible during event handling
|
||
|
|
formatException = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (doc.getProperty("name").equals("jday")) {
|
||
|
|
if ( jday.hasFocus() ) {
|
||
|
|
|
||
|
|
// set new value
|
||
|
|
try {
|
||
|
|
jd = ( new Double(jday.getText()) ).doubleValue();
|
||
|
|
|
||
|
|
changedJDay = true;
|
||
|
|
changedGCalendar = false;
|
||
|
|
checkValues();
|
||
|
|
changedJDay = false;
|
||
|
|
|
||
|
|
} catch(IllegalStateException exception) {
|
||
|
|
} catch(NumberFormatException nfe) {
|
||
|
|
warning.setText("Julian Day is not a floating point value !");
|
||
|
|
//jday.setText(Double.toString(jd));
|
||
|
|
// is not possible during event handling
|
||
|
|
formatException = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* DocumentListener - not used at the moment
|
||
|
|
*/
|
||
|
|
public void removeUpdate(DocumentEvent e) {
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* DocumentListener - not used at the moment
|
||
|
|
*/
|
||
|
|
public void changedUpdate(DocumentEvent e) {
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|