src/tim/prune/function/PasteCoordinateList.java

   1 package tim.prune.function;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.FlowLayout;
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.ActionListener;
   8 import java.awt.event.KeyAdapter;
   9 import java.awt.event.KeyEvent;
  10 import java.awt.event.MouseAdapter;
  11 import java.awt.event.MouseEvent;
  12
  13 import javax.swing.BorderFactory;
  14 import javax.swing.JButton;
  15 import javax.swing.JDialog;
  16 import javax.swing.JLabel;
  17 import javax.swing.JPanel;
  18 import javax.swing.JScrollPane;
  19 import javax.swing.JTextArea;
  20
  21 import tim.prune.App;
  22 import tim.prune.GenericFunction;
  23 import tim.prune.I18nManager;
  24 import tim.prune.load.TextFileLoader;
  25
  26 /**
  27  * Class to provide the function to paste a list of coordinates
  28  * and create points for them as if they were loaded from a text file
  29  */
  30 public class PasteCoordinateList extends GenericFunction
  31 {
  32         private JDialog _dialog = null;
  33         private JTextArea _coordArea = null;
  34         private JButton _okButton = null;
  35
  36
  37         /**
  38          * Constructor
  39          * @param inApp application object for callback
  40          */
  41         public PasteCoordinateList(App inApp)
  42         {
  43                 super(inApp);
  44         }
  45
  46         /** Get the name key */
  47         public String getNameKey() {
  48                 return "function.pastecoordinatelist";
  49         }
  50
  51         /**
  52          * Begin the function
  53          */
  54         public void begin()
  55         {
  56                 // Make dialog window
  57                 if (_dialog == null)
  58                 {
  59                         _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
  60                         _dialog.setLocationRelativeTo(_parentFrame);
  61                         _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  62                         _dialog.getContentPane().add(makeDialogComponents());
  63                         _dialog.pack();
  64                 }
  65                 // MAYBE: Paste clipboard into the edit area
  66                 _coordArea.setText("");
  67                 enableOK();
  68                 _dialog.setVisible(true);
  69         }
  70
  71
  72         /**
  73          * Create dialog components
  74          * @return Panel containing all gui elements in dialog
  75          */
  76         private Component makeDialogComponents()
  77         {
  78                 JPanel dialogPanel = new JPanel();
  79                 dialogPanel.setLayout(new BorderLayout(0, 10));
  80                 dialogPanel.add(new JLabel(I18nManager.getText("dialog.pastecoordinatelist.desc")), BorderLayout.NORTH);
  81                 _coordArea = new JTextArea(8, 35);
  82                 _coordArea.setLineWrap(true);
  83                 _coordArea.setWrapStyleWord(true);
  84                 JScrollPane coordsPane = new JScrollPane(_coordArea);
  85                 // Listeners to enable/disable ok button
  86                 KeyAdapter keyListener = new KeyAdapter() {
  87                         /** Key released */
  88                         public void keyReleased(KeyEvent inE) {
  89                                 enableOK();
  90                                 if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {
  91                                         _dialog.dispose();
  92                                 }
  93                         }
  94                 };
  95                 MouseAdapter mouseListener = new MouseAdapter() {
  96                         public void mouseReleased(MouseEvent inE) {
  97                                 enableOK();
  98                         }
  99                 };
 100                 _coordArea.addKeyListener(keyListener);
 101                 _coordArea.addMouseListener(mouseListener);
 102                 dialogPanel.add(coordsPane, BorderLayout.CENTER);
 103                 // button panel at bottom
 104                 JPanel buttonPanel = new JPanel();
 105                 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
 106                 _okButton = new JButton(I18nManager.getText("button.ok"));
 107                 ActionListener okListener = new ActionListener() {
 108                         public void actionPerformed(ActionEvent e)
 109                         {
 110                                 if (_okButton.isEnabled()) {finish();}
 111                         }
 112                 };
 113                 _okButton.addActionListener(okListener);
 114                 _okButton.setEnabled(false);
 115                 buttonPanel.add(_okButton);
 116                 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
 117                 cancelButton.addActionListener(new ActionListener() {
 118                         public void actionPerformed(ActionEvent e)
 119                         {
 120                                 _dialog.dispose();
 121                         }
 122                 });
 123                 buttonPanel.add(cancelButton);
 124                 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
 125                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
 126                 return dialogPanel;
 127         }
 128
 129         /**
 130          * Enable or disable the OK button based on the contents of the text field
 131          */
 132         private void enableOK()
 133         {
 134                 String text = _coordArea.getText();
 135                 _okButton.setEnabled(text != null && text.length() > 6
 136                         && (text.indexOf(' ') >= 0 || text.indexOf(',') >= 0));
 137         }
 138
 139         /**
 140          * Finish the dialog when OK pressed
 141          */
 142         private void finish()
 143         {
 144                 new TextFileLoader(_app, _parentFrame).loadText(_coordArea.getText());
 145                 _dialog.dispose();
 146         }
 147 }