X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fgui%2FSelectorDisplay.java;fp=src%2Ftim%2Fprune%2Fgui%2FSelectorDisplay.java;h=fa6630dc5b71400bd4f7202fb688f9a911cc3f6f;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/gui/SelectorDisplay.java b/src/tim/prune/gui/SelectorDisplay.java
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+package tim.prune.gui;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.GridLayout;
+import java.awt.event.AdjustmentEvent;
+import java.awt.event.AdjustmentListener;
+
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JScrollBar;
+import javax.swing.JScrollPane;
+import javax.swing.ListSelectionModel;
+import javax.swing.border.EtchedBorder;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+
+import tim.prune.DataSubscriber;
+import tim.prune.I18nManager;
+import tim.prune.data.TrackInfo;
+
+/**
+ * Class to allow selection of points and photos
+ * as a visual component
+ */
+public class SelectorDisplay extends GenericDisplay
+{
+	// Track details
+	private JLabel _trackpointsLabel = null;
+	private JLabel _filenameLabel = null;
+	// Scroll bar
+	private JScrollBar _scroller = null;
+	private boolean _ignoreScrollEvents = false;
+
+	// Panel containing lists
+	private JPanel _listsPanel = null;
+	private int _visiblePanels = 1;
+	// Waypoints
+	private JPanel _waypointListPanel = null;
+	private JList<String> _waypointList = null;
+	private WaypointListModel _waypointListModel = null;
+	// Photos
+	private JPanel _photoListPanel = null;
+	private JList<String> _photoList = null;
+	private MediaListModel _photoListModel = null;
+	// Audio files
+	private JPanel _audioListPanel = null;
+	private JList<String> _audioList = null;
+	private MediaListModel _audioListModel = null;
+
+	// scrollbar interval
+	private static final int SCROLLBAR_INTERVAL = 50;
+	// number of rows in lists
+	private static final int NUM_LIST_ENTRIES = 7;
+
+
+	/**
+	 * Constructor
+	 * @param inTrackInfo Track info object
+	 */
+	public SelectorDisplay(TrackInfo inTrackInfo)
+	{
+		super(inTrackInfo);
+		setLayout(new BorderLayout());
+
+		JPanel mainPanel = new JPanel();
+		mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
+		mainPanel.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
+
+		// Track details panel
+		JPanel trackDetailsPanel = new JPanel();
+		trackDetailsPanel.setLayout(new BoxLayout(trackDetailsPanel, BoxLayout.Y_AXIS));
+		trackDetailsPanel.setBorder(BorderFactory.createCompoundBorder(
+			BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(3, 3, 3, 3))
+		);
+		JLabel trackDetailsLabel = new JLabel(I18nManager.getText("details.trackdetails"));
+		Font biggerFont = trackDetailsLabel.getFont();
+		biggerFont = biggerFont.deriveFont(Font.BOLD, biggerFont.getSize2D() + 2.0f);
+		trackDetailsLabel.setFont(biggerFont);
+		trackDetailsPanel.add(trackDetailsLabel);
+		_trackpointsLabel = new JLabel(I18nManager.getText("details.notrack"));
+		trackDetailsPanel.add(_trackpointsLabel);
+		_filenameLabel = new JLabel("");
+		_filenameLabel.setMinimumSize(new Dimension(120, 10));
+		trackDetailsPanel.add(_filenameLabel);
+
+		// Scroll bar
+		_scroller = new JScrollBar(JScrollBar.HORIZONTAL, 0, SCROLLBAR_INTERVAL, 0, 100);
+		_scroller.addAdjustmentListener(new AdjustmentListener() {
+			public void adjustmentValueChanged(AdjustmentEvent e) {
+				selectPoint(e.getValue());
+			}
+		});
+		_scroller.setEnabled(false);
+
+		// Add panel for waypoints / photos
+		_listsPanel = new JPanel();
+		_listsPanel.setLayout(new GridLayout(0, 1));
+		_listsPanel.setBorder(BorderFactory.createCompoundBorder(
+			BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(3, 3, 3, 3))
+		);
+		_waypointListModel = new WaypointListModel(_trackInfo.getTrack());
+		_waypointList = new JList<String>(_waypointListModel);
+		_waypointList.setVisibleRowCount(NUM_LIST_ENTRIES);
+		_waypointList.addListSelectionListener(new ListSelectionListener() {
+			public void valueChanged(ListSelectionEvent e)
+			{
+				if (!e.getValueIsAdjusting()) selectWaypoint(_waypointList.getSelectedIndex());
+			}
+		});
+		_waypointListPanel = makeListPanel("details.lists.waypoints", _waypointList);
+		_listsPanel.add(_waypointListPanel);
+		// photo list
+		_photoListModel = new MediaListModel(_trackInfo.getPhotoList());
+		_photoList = new JList<String>(_photoListModel);
+		_photoList.setVisibleRowCount(NUM_LIST_ENTRIES);
+		_photoList.addListSelectionListener(new ListSelectionListener() {
+			public void valueChanged(ListSelectionEvent e)
+			{
+				if (!e.getValueIsAdjusting()) {
+					selectPhoto(_photoList.getSelectedIndex());
+				}
+			}});
+		_photoListPanel = makeListPanel("details.lists.photos", _photoList);
+		// don't add photo list (because there aren't any photos yet)
+
+		// List for audio clips
+		_audioListModel = new MediaListModel(_trackInfo.getAudioList());
+		_audioList = new JList<String>(_audioListModel);
+		_audioList.addListSelectionListener(new ListSelectionListener() {
+			public void valueChanged(ListSelectionEvent e)
+			{
+				if (!e.getValueIsAdjusting()) {
+					selectAudio(_audioList.getSelectedIndex());
+				}
+			}});
+		_audioListPanel = makeListPanel("details.lists.audio", _audioList);
+		// don't add audio list either
+		_listsPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+
+		// add the controls to the main panel
+		mainPanel.add(trackDetailsPanel);
+		mainPanel.add(Box.createVerticalStrut(5));
+		mainPanel.add(_scroller);
+		mainPanel.add(Box.createVerticalStrut(5));
+
+		// add the main panel at the top
+		add(mainPanel, BorderLayout.NORTH);
+		// and lists in the centre
+		add(_listsPanel, BorderLayout.CENTER);
+		// set preferred width to be small
+		setPreferredSize(new Dimension(100, 100));
+	}
+
+
+	/**
+	 * Select the specified point
+	 * @param inValue value to select
+	 */
+	private void selectPoint(int inValue)
+	{
+		if (_track != null && !_ignoreScrollEvents) {
+			_trackInfo.selectPoint(inValue);
+		}
+	}
+
+
+	/**
+	 * Select the specified photo
+	 * @param inPhotoIndex index of selected photo
+	 */
+	private void selectPhoto(int inPhotoIndex)
+	{
+		_trackInfo.selectPhoto(inPhotoIndex);
+	}
+
+	/**
+	 * Select the specified audio clip
+	 * @param inIndex index of selected audio clip
+	 */
+	private void selectAudio(int inIndex)
+	{
+		_trackInfo.selectAudio(inIndex);
+	}
+
+	/**
+	 * Select the specified waypoint
+	 * @param inWaypointIndex index of selected waypoint
+	 */
+	private void selectWaypoint(int inWaypointIndex)
+	{
+		if (inWaypointIndex >= 0) {
+			_trackInfo.selectPoint(_waypointListModel.getWaypoint(inWaypointIndex));
+		}
+	}
+
+
+	/**
+	 * Notification that Track has been updated
+	 */
+	public void dataUpdated(byte inUpdateType)
+	{
+		// Update track data
+		if (_track == null || _track.getNumPoints() <= 0)
+		{
+			_trackpointsLabel.setText(I18nManager.getText("details.notrack"));
+			_filenameLabel.setText("");
+			_filenameLabel.setToolTipText("");
+		}
+		else
+		{
+			_trackpointsLabel.setText(I18nManager.getText("details.track.points") + ": "
+				+ _track.getNumPoints());
+			int numFiles = _trackInfo.getFileInfo().getNumFiles();
+			if (numFiles == 1)
+			{
+				final String filenameString = _trackInfo.getFileInfo().getFilename();
+				_filenameLabel.setText(I18nManager.getText("details.track.file") + ": "
+					+ filenameString);
+				_filenameLabel.setToolTipText(filenameString);
+			}
+			else if (numFiles > 1)
+			{
+				final String labelText = I18nManager.getText("details.track.numfiles") + ": " + numFiles;
+				_filenameLabel.setText(labelText);
+				_filenameLabel.setToolTipText(labelText);
+			}
+			else
+			{
+				_filenameLabel.setText("");
+				_filenameLabel.setToolTipText("");
+			}
+		}
+
+		// Update scroller settings
+		int currentPointIndex = _trackInfo.getSelection().getCurrentPointIndex();
+		_ignoreScrollEvents = true;
+		if (_track == null || _track.getNumPoints() < 2)
+		{
+			// careful to avoid event loops here
+			// _scroller.setValue(0);
+			_scroller.setEnabled(false);
+		}
+		else
+		{
+			_scroller.setMaximum(_track.getNumPoints() -1 + SCROLLBAR_INTERVAL);
+			if (currentPointIndex >= 0)
+				_scroller.setValue(currentPointIndex);
+			_scroller.setEnabled(true);
+		}
+		_ignoreScrollEvents = false;
+
+		// update waypoints and photos if necessary
+		if ((inUpdateType |
+			(DataSubscriber.DATA_ADDED_OR_REMOVED | DataSubscriber.DATA_EDITED | DataSubscriber.WAYPOINTS_MODIFIED)) > 0)
+		{
+			_waypointListModel.fireChanged();
+		}
+		if ((inUpdateType &
+			(DataSubscriber.DATA_ADDED_OR_REMOVED | DataSubscriber.DATA_EDITED | DataSubscriber.PHOTOS_MODIFIED)) > 0)
+		{
+			_photoListModel.fireChanged();
+			_audioListModel.fireChanged();
+		}
+		// Deselect selected waypoint if selected point has since changed
+		if (_waypointList.getSelectedIndex() >= 0)
+		{
+			if (_trackInfo.getCurrentPoint() == null
+			 || _waypointList.getSelectedIndex() >= _waypointListModel.getSize()
+			 || !_waypointListModel.getWaypoint(_waypointList.getSelectedIndex()).equals(_trackInfo.getCurrentPoint()))
+			{
+				// point is selected in list but different from current point - deselect
+				_waypointList.clearSelection();
+			}
+		}
+		// Hide photo list if no photos loaded, same for audio
+		redrawLists(_photoListModel.getSize() > 0, _audioListModel.getSize() > 0);
+
+		// Make sure correct photo is selected
+		if (_photoListModel.getSize() > 0)
+		{
+			int photoIndex = _trackInfo.getSelection().getCurrentPhotoIndex();
+			int listSelection = _photoList.getSelectedIndex();
+			// Change listbox selection if indexes not equal
+			if (listSelection != photoIndex)
+			{
+				if (photoIndex < 0) {
+					_photoList.clearSelection();
+				}
+				else {
+					_photoList.setSelectedIndex(photoIndex);
+				}
+			}
+		}
+		// Same for audio clips
+		if (_audioListModel.getSize() > 0)
+		{
+			int audioIndex = _trackInfo.getSelection().getCurrentAudioIndex();
+			int listSelection = _audioList.getSelectedIndex();
+			// Change listbox selection if indexes not equal
+			if (listSelection != audioIndex)
+			{
+				if (audioIndex < 0) {
+					_audioList.clearSelection();
+				}
+				else {
+					_audioList.setSelectedIndex(audioIndex);
+				}
+			}
+		}
+	}
+
+	/**
+	 * Make one of the three list panels
+	 * @param inNameKey key for heading text
+	 * @param inList list object
+	 * @return panel object
+	 */
+	private static JPanel makeListPanel(String inNameKey, JList<String> inList)
+	{
+		JPanel panel = new JPanel();
+		panel.setLayout(new BorderLayout());
+		panel.add(new JLabel(I18nManager.getText(inNameKey)), BorderLayout.NORTH);
+		inList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+		panel.add(new JScrollPane(inList), BorderLayout.CENTER);
+		return panel;
+	}
+
+	/**
+	 * Redraw the list panels in the display according to which ones should be shown
+	 * @param inShowPhotos true to show photo list
+	 * @param inShowAudio true to show audio list
+	 */
+	private void redrawLists(boolean inShowPhotos, boolean inShowAudio)
+	{
+		// exit if same as last time
+		int panels = 1 + (inShowPhotos?2:0) + (inShowAudio?4:0);
+		if (panels == _visiblePanels) return;
+		_visiblePanels = panels;
+		// remove all panels and re-add them
+		_listsPanel.removeAll();
+		_listsPanel.setLayout(new GridLayout(0, 1));
+		_listsPanel.add(_waypointListPanel);
+		if (inShowPhotos) {
+			_listsPanel.add(_photoListPanel);
+		}
+		if (inShowAudio) {
+			_listsPanel.add(_audioListPanel);
+		}
+		_listsPanel.invalidate();
+		_listsPanel.getParent().validate();
+	}
+}