1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.BorderLayout;
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7 | import java.awt.Color;
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8 | import java.awt.Component;
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9 | import java.awt.FlowLayout;
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10 | import java.awt.GridBagLayout;
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11 | import java.awt.event.ActionEvent;
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12 | import java.awt.event.FocusEvent;
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13 | import java.awt.event.FocusListener;
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14 | import java.awt.event.KeyEvent;
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15 | import java.awt.event.WindowAdapter;
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16 | import java.awt.event.WindowEvent;
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17 | import java.text.NumberFormat;
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18 | import java.text.ParsePosition;
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19 | import java.util.ArrayList;
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20 | import java.util.List;
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21 | import java.util.Locale;
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22 | import java.util.regex.Matcher;
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23 | import java.util.regex.Pattern;
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24 |
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25 | import javax.swing.AbstractAction;
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26 | import javax.swing.BorderFactory;
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27 | import javax.swing.JComponent;
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28 | import javax.swing.JDialog;
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29 | import javax.swing.JLabel;
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30 | import javax.swing.JOptionPane;
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31 | import javax.swing.JPanel;
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32 | import javax.swing.JSeparator;
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33 | import javax.swing.JTextField;
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34 | import javax.swing.KeyStroke;
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35 | import javax.swing.UIManager;
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36 | import javax.swing.event.DocumentEvent;
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37 | import javax.swing.event.DocumentListener;
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38 |
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39 | import org.openstreetmap.josm.Main;
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40 | import org.openstreetmap.josm.data.coor.CoordinateFormat;
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41 | import org.openstreetmap.josm.data.coor.LatLon;
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42 | import org.openstreetmap.josm.gui.SideButton;
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43 | import org.openstreetmap.josm.gui.help.ContextSensitiveHelpAction;
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44 | import org.openstreetmap.josm.gui.help.HelpUtil;
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45 | import org.openstreetmap.josm.gui.widgets.HtmlPanel;
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46 | import org.openstreetmap.josm.tools.GBC;
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47 | import org.openstreetmap.josm.tools.ImageProvider;
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48 | import org.openstreetmap.josm.tools.WindowGeometry;
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49 |
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50 | public class LatLonDialog extends JDialog {
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51 | private static final Color BG_COLOR_ERROR = new Color(255,224,224);
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52 |
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53 | private JTextField tfLatLon;
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54 | private String help;
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55 | private boolean canceled = false;
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56 | private LatLon coordinates;
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57 | private OKAction actOK;
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58 | private CancelAction actCancel;
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59 |
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60 | private static final double ZERO = 0.0;
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61 | private static final String DEG = "\u00B0";
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62 | private static final String MIN = "\u2032";
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63 | private static final String SEC = "\u2033";
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64 |
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65 | private static final char N_TR = LatLon.NORTH.charAt(0);
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66 | private static final char S_TR = LatLon.SOUTH.charAt(0);
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67 | private static final char E_TR = LatLon.EAST.charAt(0);
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68 | private static final char W_TR = LatLon.WEST.charAt(0);
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69 |
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70 | private static final Pattern p = Pattern.compile(
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71 | "([+|-]?\\d+[.,]\\d+)|" // (1)
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72 | + "([+|-]?\\d+)|" // (2)
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73 | + "("+DEG+"|o|deg)|" // (3)
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74 | + "('|"+MIN+"|min)|" // (4)
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75 | + "(\"|"+SEC+"|sec)|" // (5)
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76 | + "(,|;)|" // (6)
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77 | + "([NSEW"+N_TR+S_TR+E_TR+W_TR+"])|"// (7)
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78 | + "\\s+|"
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79 | + "(.+)");
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80 |
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81 | protected JPanel buildInputForm() {
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82 | JPanel pnl = new JPanel(new GridBagLayout());
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83 | pnl.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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84 |
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85 | pnl.add(new JLabel(tr("Coordinates:")), GBC.std().insets(0,10,5,0));
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86 | tfLatLon = new JTextField(24);
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87 | pnl.add(tfLatLon, GBC.eol().insets(0,10,0,0).fill(GBC.HORIZONTAL).weight(1.0, 0.0));
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88 |
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89 | pnl.add(new JSeparator(), GBC.eol().fill(GBC.HORIZONTAL).insets(0,5,0,5));
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90 |
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91 | pnl.add(new HtmlPanel(
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92 | tr("Enter the coordinates for the new node.<br/>You can separate longitude and latitude with space, comma or semicolon.<br/>" +
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93 | "Use positive numbers or N, E characters to indicate North or East cardinal direction.<br/>" +
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94 | "For South and West cardinal directions you can use either negative numbers or S, W characters.<br/>" +
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95 | "Coordinate value can be in one of three formats:<ul>" +
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96 | "<li><i>degrees</i><tt>°</tt></li>" +
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97 | "<li><i>degrees</i><tt>°</tt> <i>minutes</i><tt>'</tt></li>" +
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98 | "<li><i>degrees</i><tt>°</tt> <i>minutes</i><tt>'</tt> <i>seconds</i><tt>"</tt></li>" +
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99 | "</ul>" +
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100 | "Symbols <tt>°</tt>, <tt>'</tt>, <tt>′</tt>, <tt>"</tt>, <tt>″</tt> are optional.<br/><br/>" +
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101 | "Some examples:<ul>" +
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102 | "<li>49.29918° 19.24788°</li>" +
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103 | "<li>N 49.29918 E 19.24788</li>" +
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104 | "<li>W 49°29.918' S 19°24.788'</li>" +
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105 | "<li>N 49°29'04" E 19°24'43"</li>" +
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106 | "<li>49.29918 N, 19.24788 E</li>" +
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107 | "<li>49°29'21" N 19°24'38" E</li>" +
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108 | "<li>49 29 51, 19 24 18</li>" +
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109 | "<li>49 29, 19 24</li>" +
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110 | "<li>E 49 29, N 19 24</li>" +
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111 | "<li>49° 29; 19° 24</li>" +
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112 | "<li>N 49° 29, W 19° 24</li>" +
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113 | "<li>49° 29.5 S, 19° 24.6 E</li>" +
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114 | "<li>N 49 29.918 E 19 15.88</li>" +
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115 | "<li>49 29.4 19 24.5</li>" +
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116 | "<li>-49 29.4 N -19 24.5 W</li></ul>" +
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117 | "<li>48 deg 42' 52.13\" N, 21 deg 11' 47.60\" E</li></ul>"
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118 | )),
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119 | GBC.eol().fill().weight(1.0, 1.0));
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120 |
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121 | // parse and verify input on the fly
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122 | //
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123 | LatLonInputVerifier inputVerifier = new LatLonInputVerifier();
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124 | tfLatLon.getDocument().addDocumentListener(inputVerifier);
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125 |
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126 | // select the text in the field on focus
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127 | //
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128 | TextFieldFocusHandler focusHandler = new TextFieldFocusHandler();
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129 | tfLatLon.addFocusListener(focusHandler);
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130 | return pnl;
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131 | }
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132 |
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133 | protected JPanel buildButtonRow() {
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134 | JPanel pnl = new JPanel(new FlowLayout());
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135 |
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136 | SideButton btn;
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137 | pnl.add(btn = new SideButton(actOK = new OKAction()));
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138 | makeButtonRespondToEnter(btn);
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139 | pnl.add(btn = new SideButton(actCancel = new CancelAction()));
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140 | makeButtonRespondToEnter(btn);
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141 | pnl.add(new SideButton(new ContextSensitiveHelpAction(help)));
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142 | return pnl;
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143 | }
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144 |
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145 | protected void makeButtonRespondToEnter(SideButton btn) {
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146 | btn.setFocusable(true);
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147 | btn.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER,0), "enter");
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148 | btn.getActionMap().put("enter", btn.getAction());
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149 | }
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150 |
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151 | protected void build() {
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152 | getContentPane().setLayout(new BorderLayout());
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153 | getContentPane().add(buildInputForm(), BorderLayout.CENTER);
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154 | getContentPane().add(buildButtonRow(), BorderLayout.SOUTH);
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155 | pack();
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156 |
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157 | // make dialog respond to ESCAPE
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158 | //
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159 | getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE,0), "escape");
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160 | getRootPane().getActionMap().put("escape", actCancel);
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161 |
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162 | // make dialog respond to F1
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163 | //
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164 | HelpUtil.setHelpContext(getRootPane(), help);
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165 | }
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166 |
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167 | public LatLonDialog(Component parent, String title, String help) {
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168 | super(JOptionPane.getFrameForComponent(parent), ModalityType.DOCUMENT_MODAL);
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169 | this.help = help;
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170 | setTitle(title);
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171 | build();
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172 | addWindowListener(new WindowEventHandler());
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173 | setCoordinates(null);
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174 | }
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175 |
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176 | public void setCoordinates(LatLon coordinates) {
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177 | if (coordinates == null) {
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178 | coordinates = new LatLon(0,0);
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179 | }
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180 | this.coordinates = coordinates;
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181 | tfLatLon.setText(coordinates.latToString(CoordinateFormat.getDefaultFormat()) + " " + coordinates.lonToString(CoordinateFormat.getDefaultFormat()));
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182 | actOK.setEnabled(true);
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183 | }
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184 |
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185 | public LatLon getCoordinates() {
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186 | return coordinates;
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187 | }
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188 |
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189 | protected void setErrorFeedback(JTextField tf, String message) {
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190 | tf.setBorder(BorderFactory.createLineBorder(Color.RED, 1));
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191 | tf.setToolTipText(message);
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192 | tf.setBackground(BG_COLOR_ERROR);
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193 | }
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194 |
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195 | protected void clearErrorFeedback(JTextField tf, String message) {
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196 | tf.setBorder(UIManager.getBorder("TextField.border"));
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197 | tf.setToolTipText(message);
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198 | tf.setBackground(UIManager.getColor("TextField.background"));
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199 | }
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200 |
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201 | protected Double parseDoubleFromUserInput(String input) {
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202 | if (input == null) return null;
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203 | // remove white space and an optional degree symbol
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204 | //
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205 | input = input.trim();
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206 | input = input.replaceAll(DEG, "");
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207 |
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208 | // try to parse using the current locale
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209 | //
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210 | NumberFormat f = NumberFormat.getNumberInstance();
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211 | Number n=null;
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212 | ParsePosition pp = new ParsePosition(0);
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213 | n = f.parse(input,pp);
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214 | if (pp.getErrorIndex() >= 0 || pp.getIndex()<input.length()) {
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215 | // fall back - try to parse with the english locale
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216 | //
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217 | pp = new ParsePosition(0);
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218 | f = NumberFormat.getNumberInstance(Locale.ENGLISH);
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219 | n = f.parse(input, pp);
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220 | if (pp.getErrorIndex() >= 0 || pp.getIndex()<input.length())
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221 | return null;
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222 | }
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223 | return n== null ? null : n.doubleValue();
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224 | }
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225 |
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226 | protected void parseUserInput() {
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227 | LatLon latLon;
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228 | try {
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229 | latLon = parse(tfLatLon.getText());
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230 | if (!LatLon.isValidLat(latLon.lat()) || !LatLon.isValidLon(latLon.lon())) {
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231 | latLon = null;
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232 | }
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233 | } catch (IllegalArgumentException e) {
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234 | latLon = null;
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235 | }
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236 | if (latLon == null) {
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237 | setErrorFeedback(tfLatLon, tr("Please enter a GPS coordinates"));
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238 | coordinates = null;
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239 | actOK.setEnabled(false);
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240 | } else {
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241 | clearErrorFeedback(tfLatLon,tr("Please enter a GPS coordinates"));
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242 | coordinates = latLon;
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243 | actOK.setEnabled(true);
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244 | }
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245 | }
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246 |
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247 | public boolean isCanceled() {
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248 | return canceled;
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249 | }
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250 |
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251 | protected void setCanceled(boolean canceled) {
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252 | this.canceled = canceled;
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253 | }
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254 |
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255 | @Override
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256 | public void setVisible(boolean visible) {
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257 | if (visible) {
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258 | setCanceled(false);
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259 | WindowGeometry.centerInWindow(Main.parent, getSize()).applySafe(this);
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260 | }
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261 | super.setVisible(visible);
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262 | }
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263 |
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264 | class OKAction extends AbstractAction {
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265 | public OKAction() {
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266 | putValue(NAME, tr("OK"));
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267 | putValue(SHORT_DESCRIPTION, tr("Close the dialog and create a new node"));
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268 | putValue(SMALL_ICON, ImageProvider.get("ok"));
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269 | }
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270 |
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271 | public void actionPerformed(ActionEvent e) {
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272 | setCanceled(false);
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273 | setVisible(false);
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274 | }
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275 | }
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276 |
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277 | class CancelAction extends AbstractAction {
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278 | public CancelAction() {
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279 | putValue(NAME, tr("Cancel"));
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280 | putValue(SHORT_DESCRIPTION, tr("Close the dialog, do not create a new node"));
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281 | putValue(SMALL_ICON, ImageProvider.get("cancel"));
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282 | }
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283 |
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284 | public void actionPerformed(ActionEvent e) {
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285 | setCanceled(true);
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286 | setVisible(false);
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287 | }
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288 | }
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289 |
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290 | class LatLonInputVerifier implements DocumentListener {
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291 | public void changedUpdate(DocumentEvent e) {
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292 | parseUserInput();
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293 | }
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294 |
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295 | public void insertUpdate(DocumentEvent e) {
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296 | parseUserInput();
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297 | }
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298 |
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299 | public void removeUpdate(DocumentEvent e) {
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300 | parseUserInput();
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301 | }
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302 | }
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303 |
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304 | static class TextFieldFocusHandler implements FocusListener {
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305 | public void focusGained(FocusEvent e) {
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306 | Component c = e.getComponent();
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307 | if (c instanceof JTextField) {
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308 | JTextField tf = (JTextField)c;
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309 | tf.selectAll();
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310 | }
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311 | }
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312 | public void focusLost(FocusEvent e) {}
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313 | }
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314 |
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315 | class WindowEventHandler extends WindowAdapter {
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316 | @Override
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317 | public void windowClosing(WindowEvent e) {
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318 | setCanceled(true);
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319 | setVisible(false);
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320 | }
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321 |
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322 | @Override
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323 | public void windowOpened(WindowEvent e) {
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324 | tfLatLon.requestFocusInWindow();
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325 | }
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326 | }
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327 |
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328 | private static LatLon parse(final String coord) {
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329 | final Matcher m = p.matcher(coord);
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330 |
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331 | final StringBuilder sb = new StringBuilder();
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332 | final List<Object> list = new ArrayList<Object>();
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333 |
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334 | while (m.find()) {
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335 | if (m.group(1) != null) {
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336 | sb.append('R'); // floating point number
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337 | list.add(Double.parseDouble(m.group(1).replace(',', '.')));
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338 | } else if (m.group(2) != null) {
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339 | sb.append('Z'); // integer number
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340 | list.add(Double.parseDouble(m.group(2)));
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341 | } else if (m.group(3) != null) {
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342 | sb.append('o'); // degree sign
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343 | } else if (m.group(4) != null) {
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344 | sb.append('\''); // seconds sign
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345 | } else if (m.group(5) != null) {
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346 | sb.append('"'); // minutes sign
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347 | } else if (m.group(6) != null) {
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348 | sb.append(','); // separator
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349 | } else if (m.group(7) != null) {
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350 | sb.append("x"); // cardinal direction
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351 | String c = m.group(7).toUpperCase();
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352 | if (c.equals("N") || c.equals("S") || c.equals("E") || c.equals("W")) {
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353 | list.add(c);
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354 | } else {
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355 | list.add(c.replace(N_TR, 'N').replace(S_TR, 'S')
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356 | .replace(E_TR, 'E').replace(W_TR, 'W'));
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357 | }
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358 | } else if (m.group(8) != null) {
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359 | throw new IllegalArgumentException("invalid token: " + m.group(8));
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360 | }
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361 | }
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362 |
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363 | final String pattern = sb.toString();
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364 |
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365 | final Object[] params = list.toArray();
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366 | final LatLonHolder latLon = new LatLonHolder();
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367 |
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368 | if (pattern.matches("Ro?,?Ro?")) {
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369 | setLatLonObj(latLon,
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370 | params[0], ZERO, ZERO, "N",
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371 | params[1], ZERO, ZERO, "E");
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372 | } else if (pattern.matches("xRo?,?xRo?")) {
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373 | setLatLonObj(latLon,
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374 | params[1], ZERO, ZERO, params[0],
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375 | params[3], ZERO, ZERO, params[2]);
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376 | } else if (pattern.matches("Ro?x,?Ro?x")) {
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377 | setLatLonObj(latLon,
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378 | params[0], ZERO, ZERO, params[1],
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379 | params[2], ZERO, ZERO, params[3]);
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380 | } else if (pattern.matches("Zo[RZ]'?,?Zo[RZ]'?|Z[RZ],?Z[RZ]")) {
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381 | setLatLonObj(latLon,
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382 | params[0], params[1], ZERO, "N",
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383 | params[2], params[3], ZERO, "E");
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384 | } else if (pattern.matches("xZo[RZ]'?,?xZo[RZ]'?|xZo?[RZ],?xZo?[RZ]")) {
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385 | setLatLonObj(latLon,
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386 | params[1], params[2], ZERO, params[0],
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387 | params[4], params[5], ZERO, params[3]);
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388 | } else if (pattern.matches("Zo[RZ]'?x,?Zo[RZ]'?x|Zo?[RZ]x,?Zo?[RZ]x")) {
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389 | setLatLonObj(latLon,
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390 | params[0], params[1], ZERO, params[2],
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391 | params[3], params[4], ZERO, params[5]);
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392 | } else if (pattern.matches("ZoZ'[RZ]\"?x,?ZoZ'[RZ]\"?x|ZZ[RZ]x,?ZZ[RZ]x")) {
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393 | setLatLonObj(latLon,
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394 | params[0], params[1], params[2], params[3],
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395 | params[4], params[5], params[6], params[7]);
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396 | } else if (pattern.matches("xZoZ'[RZ]\"?,?xZoZ'[RZ]\"?|xZZ[RZ],?xZZ[RZ]")) {
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397 | setLatLonObj(latLon,
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398 | params[1], params[2], params[3], params[0],
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399 | params[5], params[6], params[7], params[4]);
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400 | } else if (pattern.matches("ZZ[RZ],?ZZ[RZ]")) {
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401 | setLatLonObj(latLon,
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402 | params[0], params[1], params[2], "N",
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403 | params[3], params[4], params[5], "E");
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404 | } else {
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405 | throw new IllegalArgumentException("invalid format: " + pattern);
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406 | }
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407 |
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408 | return new LatLon(latLon.lat, latLon.lon);
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409 | }
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410 |
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411 | private static class LatLonHolder {
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412 | double lat, lon;
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413 | }
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414 |
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415 | private static void setLatLonObj(final LatLonHolder latLon,
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416 | final Object coord1deg, final Object coord1min, final Object coord1sec, final Object card1,
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417 | final Object coord2deg, final Object coord2min, final Object coord2sec, final Object card2) {
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418 |
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419 | setLatLon(latLon,
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420 | (Double) coord1deg, (Double) coord1min, (Double) coord1sec, (String) card1,
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421 | (Double) coord2deg, (Double) coord2min, (Double) coord2sec, (String) card2);
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422 | }
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423 |
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424 | private static void setLatLon(final LatLonHolder latLon,
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425 | final double coord1deg, final double coord1min, final double coord1sec, final String card1,
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426 | final double coord2deg, final double coord2min, final double coord2sec, final String card2) {
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427 |
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428 | setLatLon(latLon, coord1deg, coord1min, coord1sec, card1);
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429 | setLatLon(latLon, coord2deg, coord2min, coord2sec, card2);
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430 | }
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431 |
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432 | private static void setLatLon(final LatLonHolder latLon, final double coordDeg, final double coordMin, final double coordSec, final String card) {
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433 | if (coordDeg < -180 || coordDeg > 180 || coordMin < 0 || coordMin >= 60 || coordSec < 0 || coordSec > 60) {
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434 | throw new IllegalArgumentException("out of range");
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435 | }
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436 |
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437 | double coord = (coordDeg < 0 ? -1 : 1) * (Math.abs(coordDeg) + coordMin / 60 + coordSec / 3600);
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438 | coord = card.equals("N") || card.equals("E") ? coord : -coord;
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439 | if (card.equals("N") || card.equals("S")) {
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440 | latLon.lat = coord;
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441 | } else {
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442 | latLon.lon = coord;
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443 | }
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444 | }
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445 |
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446 | public String getText() {
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447 | return tfLatLon.getText();
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448 | }
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449 |
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450 | public void setText(String text) {
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451 | tfLatLon.setText(text);
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452 | }
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453 | }
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