X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fsave%2FFileSaver.java;fp=tim%2Fprune%2Fsave%2FFileSaver.java;h=b1ea368c03678f1b535a49ad146acabee97e9be3;hb=312fec956e43f5d0a38617da5d0add9c62563e2c;hp=0000000000000000000000000000000000000000;hpb=db1c1602b89209f4c92e8bd12ad38cd243fb27c7;p=GpsPrune.git

diff --git a/tim/prune/save/FileSaver.java b/tim/prune/save/FileSaver.java
new file mode 100644
index 0000000..b1ea368
--- /dev/null
+++ b/tim/prune/save/FileSaver.java
@@ -0,0 +1,461 @@
+package tim.prune.save;
+
+import java.awt.BorderLayout;
+import java.awt.CardLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTable;
+import javax.swing.JTextField;
+import javax.swing.ListSelectionModel;
+
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.data.Altitude;
+import tim.prune.data.Coordinate;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Field;
+import tim.prune.data.FieldList;
+import tim.prune.data.Track;
+import tim.prune.load.OneCharDocument;
+
+/**
+ * Class to manage the saving of track data
+ * into a user-specified file
+ */
+public class FileSaver
+{
+	private App _app = null;
+	private JFrame _parentFrame = null;
+	private Track _track = null;
+	private JDialog _dialog = null;
+	private JFileChooser _fileChooser = null;
+	private JPanel _cards = null;
+	private JButton _nextButton = null, _backButton = null;
+	private JTable _table = null;
+	private FieldSelectionTableModel _model = null;
+	private JButton _moveUpButton = null, _moveDownButton = null;
+	private JRadioButton[] _delimiterRadios = null;
+	private JTextField _otherDelimiterText = null;
+	private JRadioButton[] _coordUnitsRadios = null;
+	private JRadioButton[] _altitudeUnitsRadios = null;
+	private static final int[] FORMAT_COORDS = {Coordinate.FORMAT_NONE, Coordinate.FORMAT_DEG_MIN_SEC,
+		Coordinate.FORMAT_DEG_MIN, Coordinate.FORMAT_DEG};
+	private static final int[] FORMAT_ALTS = {Altitude.FORMAT_NONE, Altitude.FORMAT_METRES, Altitude.FORMAT_FEET};
+
+
+	/**
+	 * Constructor
+	 * @param inApp application object to inform of success
+	 * @param inParentFrame parent frame
+	 * @param inTrack track object to save
+	 */
+	public FileSaver(App inApp, JFrame inParentFrame, Track inTrack)
+	{
+		_app = inApp;
+		_parentFrame = inParentFrame;
+		_track = inTrack;
+	}
+
+
+	/**
+	 * Show the save file dialog
+	 * @param inDefaultDelimiter default delimiter to use
+	 */
+	public void showDialog(char inDefaultDelimiter)
+	{
+		_dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.saveoptions.title"), true);
+		_dialog.setLocationRelativeTo(_parentFrame);
+		// Check field list
+		FieldList fieldList = _track.getFieldList();
+		int numFields = fieldList.getNumFields();
+		_model = new FieldSelectionTableModel(numFields);
+		for (int i=0; i<numFields; i++)
+		{
+			Field field = fieldList.getField(i);
+			FieldInfo info = new FieldInfo(field, _track.hasData(field));
+			_model.addFieldInfo(info, i);
+		}
+		_dialog.getContentPane().add(makeDialogComponents(_model, inDefaultDelimiter));
+		_dialog.pack();
+		_dialog.show();
+	}
+
+
+	/**
+	 * Make the dialog components
+	 * @param inTableModel table model for fields
+	 * @param inDelimiter default delimiter character
+	 * @return the GUI components for the save dialog
+	 */
+	private Component makeDialogComponents(FieldSelectionTableModel inTableModel, char inDelimiter)
+	{
+		JPanel panel = new JPanel();
+		panel.setLayout(new BorderLayout());
+		_cards = new JPanel();
+		_cards.setLayout(new CardLayout());
+		panel.add(_cards, BorderLayout.CENTER);
+
+		// Make first card for field selection and delimiter
+		JPanel firstCard = new JPanel();
+		firstCard.setLayout(new BoxLayout(firstCard, BoxLayout.Y_AXIS));
+		JPanel tablePanel = new JPanel();
+		tablePanel.setLayout(new BorderLayout());
+		_table = new JTable(inTableModel);
+		_table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+		tablePanel.add(_table.getTableHeader(), BorderLayout.NORTH);
+		tablePanel.add(_table, BorderLayout.CENTER);
+
+		// Make a panel to hold the table and up/down buttons
+		JPanel fieldsPanel = new JPanel();
+		fieldsPanel.setLayout(new BorderLayout());
+		fieldsPanel.add(tablePanel, BorderLayout.CENTER);
+		JPanel updownPanel = new JPanel();
+		updownPanel.setLayout(new BoxLayout(updownPanel, BoxLayout.Y_AXIS));
+		_moveUpButton = new JButton(I18nManager.getText("button.moveup"));
+		_moveUpButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				int row = _table.getSelectedRow();
+				if (row > 0)
+				{
+					_model.swapItems(row, row - 1);
+					_table.setRowSelectionInterval(row - 1, row - 1);
+				}
+			}
+		});
+		_moveUpButton.setEnabled(false);
+		updownPanel.add(_moveUpButton);
+		_moveDownButton = new JButton(I18nManager.getText("button.movedown"));
+		_moveDownButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				int row = _table.getSelectedRow();
+				if (row > -1 && row < (_model.getRowCount() - 1))
+				{
+					_model.swapItems(row, row + 1);
+					_table.setRowSelectionInterval(row + 1, row + 1);
+				}
+			}
+		});
+		_moveDownButton.setEnabled(false);
+		updownPanel.add(_moveDownButton);
+		fieldsPanel.add(updownPanel, BorderLayout.EAST);
+		// enable/disable buttons based on table row selection
+		_table.getSelectionModel().addListSelectionListener(
+			new UpDownToggler(_moveUpButton, _moveDownButton, inTableModel.getRowCount())
+		);
+
+		// Add fields panel and the delimiter panel to first card in pack
+		JLabel saveOptionsLabel = new JLabel(I18nManager.getText("dialog.save.fieldstosave"));
+		saveOptionsLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
+		firstCard.add(saveOptionsLabel);
+		fieldsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
+		firstCard.add(fieldsPanel);
+		firstCard.add(Box.createRigidArea(new Dimension(0,10)));
+
+		// delimiter panel
+		JLabel delimLabel = new JLabel(I18nManager.getText("dialog.delimiter.label"));
+		delimLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
+		firstCard.add(delimLabel);
+		JPanel delimsPanel = new JPanel();
+		delimsPanel.setLayout(new GridLayout(0, 2));
+		delimsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
+		// radio buttons
+		_delimiterRadios = new JRadioButton[5];
+		_delimiterRadios[0] = new JRadioButton(I18nManager.getText("dialog.delimiter.comma"));
+		delimsPanel.add(_delimiterRadios[0]);
+		_delimiterRadios[1] = new JRadioButton(I18nManager.getText("dialog.delimiter.tab"));
+		delimsPanel.add(_delimiterRadios[1]);
+		_delimiterRadios[2] = new JRadioButton(I18nManager.getText("dialog.delimiter.semicolon"));
+		delimsPanel.add(_delimiterRadios[2]);
+		_delimiterRadios[3] = new JRadioButton(I18nManager.getText("dialog.delimiter.space"));
+		delimsPanel.add(_delimiterRadios[3]);
+		JPanel otherPanel = new JPanel();
+		otherPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
+		_delimiterRadios[4] = new JRadioButton(I18nManager.getText("dialog.delimiter.other"));
+		otherPanel.add(_delimiterRadios[4]);
+		_otherDelimiterText = new JTextField(new OneCharDocument(), null, 2);
+		otherPanel.add(_otherDelimiterText);
+		// Group radio buttons
+		ButtonGroup delimGroup = new ButtonGroup();
+		for (int i=0; i<_delimiterRadios.length; i++)
+		{
+			delimGroup.add(_delimiterRadios[i]);
+		}
+		// choose last-used delimiter as default
+		switch (inDelimiter)
+		{
+			case ','  : _delimiterRadios[0].setSelected(true); break;
+			case '\t' : _delimiterRadios[1].setSelected(true); break;
+			case ';'  : _delimiterRadios[2].setSelected(true); break;
+			case ' '  : _delimiterRadios[3].setSelected(true); break;
+			default   : _delimiterRadios[4].setSelected(true);
+						_otherDelimiterText.setText("" + inDelimiter);
+		}
+		delimsPanel.add(otherPanel);
+		firstCard.add(delimsPanel);
+		_cards.add(firstCard, "card1");
+
+		JPanel secondCard = new JPanel();
+		secondCard.setLayout(new BorderLayout());
+		JPanel secondCardHolder = new JPanel();
+		secondCardHolder.setLayout(new BoxLayout(secondCardHolder, BoxLayout.Y_AXIS));
+		JLabel coordLabel = new JLabel(I18nManager.getText("dialog.save.coordinateunits"));
+		coordLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
+		secondCardHolder.add(coordLabel);
+		JPanel coordsUnitsPanel = new JPanel();
+		coordsUnitsPanel.setBorder(BorderFactory.createEtchedBorder());
+		coordsUnitsPanel.setLayout(new GridLayout(0, 2));
+		_coordUnitsRadios = new JRadioButton[4];
+		_coordUnitsRadios[0] = new JRadioButton(I18nManager.getText("dialog.save.units.original"));
+		_coordUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.degminsec"));
+		_coordUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.degmin"));
+		_coordUnitsRadios[3] = new JRadioButton(I18nManager.getText("units.deg"));
+		ButtonGroup coordGroup = new ButtonGroup();
+		for (int i=0; i<4; i++)
+		{
+			coordGroup.add(_coordUnitsRadios[i]);
+			coordsUnitsPanel.add(_coordUnitsRadios[i]);
+			_coordUnitsRadios[i].setSelected(i==0);
+		}
+		coordsUnitsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
+		secondCardHolder.add(coordsUnitsPanel);
+		secondCardHolder.add(Box.createRigidArea(new Dimension(0,10)));
+		JLabel altUnitsLabel = new JLabel(I18nManager.getText("dialog.save.altitudeunits"));
+		altUnitsLabel.setAlignmentX(JLabel.LEFT_ALIGNMENT);
+		secondCardHolder.add(altUnitsLabel);
+		JPanel altUnitsPanel = new JPanel();
+		altUnitsPanel.setBorder(BorderFactory.createEtchedBorder());
+		altUnitsPanel.setLayout(new GridLayout(0, 2));
+		_altitudeUnitsRadios = new JRadioButton[3];
+		_altitudeUnitsRadios[0] = new JRadioButton(I18nManager.getText("dialog.save.units.original"));
+		_altitudeUnitsRadios[1] = new JRadioButton(I18nManager.getText("units.metres"));
+		_altitudeUnitsRadios[2] = new JRadioButton(I18nManager.getText("units.feet"));
+		ButtonGroup altGroup = new ButtonGroup();
+		for (int i=0; i<3; i++)
+		{
+			altGroup.add(_altitudeUnitsRadios[i]);
+			altUnitsPanel.add(_altitudeUnitsRadios[i]);
+			_altitudeUnitsRadios[i].setSelected(i==0);
+		}
+		altUnitsPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
+		secondCardHolder.add(altUnitsPanel);
+		secondCard.add(secondCardHolder, BorderLayout.NORTH);
+		_cards.add(secondCard, "card2");
+
+		// Put together with ok/cancel buttons on the bottom
+		JPanel buttonPanel = new JPanel();
+		buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+		_backButton = new JButton(I18nManager.getText("button.back"));
+		_backButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+			    CardLayout cl = (CardLayout)(_cards.getLayout());
+			    cl.previous(_cards);
+			    _backButton.setEnabled(false);
+			    _nextButton.setEnabled(true);
+			}
+		});
+		_backButton.setEnabled(false);
+		buttonPanel.add(_backButton);
+		_nextButton = new JButton(I18nManager.getText("button.next"));
+		_nextButton.setEnabled(true);
+		_nextButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+			    CardLayout cl = (CardLayout)(_cards.getLayout());
+			    cl.next(_cards);
+			    _backButton.setEnabled(true);
+			    _nextButton.setEnabled(false);
+			}
+		});
+		buttonPanel.add(_nextButton);
+		JButton okButton = new JButton(I18nManager.getText("button.finish"));
+		okButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				if (saveToFile())
+				{
+					_dialog.dispose();
+				}
+			}
+		});
+		buttonPanel.add(okButton);
+		JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+		cancelButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				_dialog.dispose();
+			}
+		});
+		buttonPanel.add(cancelButton);
+		panel.add(buttonPanel, BorderLayout.SOUTH);
+		return panel;
+	}
+
+
+	/**
+	 * Save the track to file with the chosen options
+	 * @return true if successful or cancelled, false if failed
+	 */
+	private boolean saveToFile()
+	{
+		boolean saveOK = true;
+		FileWriter writer = null;
+		if (_fileChooser == null)
+			_fileChooser = new JFileChooser();
+		_fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
+		if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
+		{
+			File saveFile = _fileChooser.getSelectedFile();
+			String lineSeparator = System.getProperty("line.separator");
+			// Get coordinate format and altitude format
+			int coordFormat = Coordinate.FORMAT_NONE;
+			for (int i=0; i<_coordUnitsRadios.length; i++)
+				if (_coordUnitsRadios[i].isSelected())
+					coordFormat = FORMAT_COORDS[i];
+			int altitudeFormat = Altitude.FORMAT_NONE;
+			for (int i=0; i<_altitudeUnitsRadios.length; i++)
+				if (_altitudeUnitsRadios[i].isSelected())
+					altitudeFormat = FORMAT_ALTS[i];
+			
+			// Check if file exists, don't overwrite any files for v1!
+			if (!saveFile.exists())
+			{
+				try
+				{
+					// Create output file
+					writer = new FileWriter(saveFile);
+					// Determine delimiter character to use
+					char delimiter = getDelimiter();
+					FieldInfo info = null;
+					Field field = null;
+					StringBuffer buffer = null;
+					// For now, just spit out to console
+					int numPoints = _track.getNumPoints();
+					int numFields = _model.getRowCount();
+					for (int p=0; p<numPoints; p++)
+					{
+						DataPoint point = _track.getPoint(p);
+						boolean firstField = true;
+						buffer = new StringBuffer();
+						for (int f=0; f<numFields; f++)
+						{
+							info = _model.getFieldInfo(f);
+							if (info.isSelected())
+							{
+								if (!firstField)
+								{
+									// output field separator
+									buffer.append(delimiter);
+								}
+								field = info.getField();
+								// Output field according to type
+								if (field == Field.LATITUDE)
+								{
+									buffer.append(point.getLatitude().output(coordFormat));
+								}
+								else if (field == Field.LONGITUDE)
+								{
+									buffer.append(point.getLongitude().output(coordFormat));
+								}
+								else if (field == Field.ALTITUDE)
+								{
+									buffer.append(point.getAltitude().getValue(altitudeFormat));
+								}
+								else if (field == Field.TIMESTAMP)
+								{
+									buffer.append(point.getTimestamp().getText());
+								}
+								else
+								{
+									String value = point.getFieldValue(field);
+									if (value != null)
+									{
+										buffer.append(value);
+									}
+								}
+								firstField = false;
+							}
+						}
+						// Output to file
+						writer.write(buffer.toString());
+						writer.write(lineSeparator);
+					}
+					// Save successful
+					JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.save.ok1")
+						 + " " + numPoints + " " + I18nManager.getText("dialog.save.ok2")
+						 + saveFile.getAbsolutePath(),
+						I18nManager.getText("dialog.save.oktitle"), JOptionPane.INFORMATION_MESSAGE);
+					_app.informDataSaved();
+				}
+				catch (IOException ioe)
+				{
+					saveOK = false;
+					JOptionPane.showMessageDialog(_parentFrame,
+						I18nManager.getText("error.save.failed") + ioe.getMessage(),
+						I18nManager.getText("error.save.dialogtitle"),
+						JOptionPane.ERROR_MESSAGE);
+				}
+				finally
+				{
+					// try to close file if it's open
+					try
+					{
+						if (writer != null)
+						{
+							writer.close();
+						}
+					}
+					catch (Exception e) {}
+				}
+			}
+			else
+			{
+				saveOK = false;
+				JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.save.fileexists"),
+					I18nManager.getText("error.save.dialogtitle"), JOptionPane.ERROR_MESSAGE);
+			}
+		}
+		return saveOK;
+	}
+
+
+	/**
+	 * @return the selected delimiter character
+	 */
+	private char getDelimiter()
+	{
+		// Check the preset 4 delimiters
+		final char[] delimiters = {',', '\t', ';', ' '};
+		for (int i=0; i<4; i++)
+		{
+			if (_delimiterRadios[i].isSelected())
+			{
+				return delimiters[i];
+			}
+		}
+		// Wasn't any of those so must be 'other'
+		return _otherDelimiterText.getText().charAt(0);
+	}
+}