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package tim.prune.function.search;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.Collections;
import javax.swing.table.AbstractTableModel;
import tim.prune.I18nManager;
import tim.prune.data.Unit;
/**
* Model for list of tracks from a search result (eg geonames, overpass)
*/
public class TrackListModel extends AbstractTableModel
{
/** Unit to use for distances */
private final Unit _distanceUnit;
/** List of tracks */
private ArrayList<SearchResult> _trackList = null;
/** Column heading for track name */
private final String _nameColLabel;
/** Column heading for length */
private String _lengthColLabel = null;
/** Number of columns */
private final int _numColumns;
/** Normally this model shows distances / lengths, except when this flag is true */
private boolean _showPointTypes = false;
/** Formatter for distances */
private final NumberFormat _distanceFormatter = NumberFormat.getInstance();
/**
* Constructor
* @param inColumn1Key key for first column
* @param inColumn2Key key for second column
* @param inDistanceUnit unit to use for distances
*/
public TrackListModel(String inColumn1Key, String inColumn2Key, Unit inDistanceUnit)
{
_distanceUnit = inDistanceUnit;
_nameColLabel = I18nManager.getText(inColumn1Key);
if (inColumn2Key != null) {
_lengthColLabel = I18nManager.getText(inColumn2Key);
}
_numColumns = (_lengthColLabel != null ? 2 : 1);
_distanceFormatter.setMaximumFractionDigits(1);
}
/**
* @return column count
*/
public int getColumnCount() {
return _numColumns;
}
/**
* @return number of rows
*/
public int getRowCount()
{
if (_trackList == null) return 0;
return _trackList.size();
}
/** @return true if there are no rows */
public boolean isEmpty() {
return getRowCount() == 0;
}
/**
* @param inColNum column number
* @return column label for given column
*/
public String getColumnName(int inColNum)
{
if (inColNum == 0) {return _nameColLabel;}
return _lengthColLabel;
}
/**
* @param inShowTypes true to show point types, false for distances
*/
public void setShowPointTypes(boolean inShowTypes) {
_showPointTypes = inShowTypes;
}
/**
* @param inRowNum row number
* @param inColNum column number
* @return cell entry at given row and column
*/
public Object getValueAt(int inRowNum, int inColNum)
{
SearchResult track = _trackList.get(inRowNum);
if (inColNum == 0) {
return track.getTrackName();
}
if (_showPointTypes) {
return track.getPointType();
}
double lengthM = track.getLength();
// convert to current distance units
double length = lengthM * _distanceUnit.getMultFactorFromStd();
// Make text
return _distanceFormatter.format(length) + " " + I18nManager.getText(_distanceUnit.getShortnameKey());
}
/**
* Add a list of tracks to this model
* @param inList list of tracks to add
*/
public void addTracks(ArrayList<SearchResult> inList) {
addTracks(inList, false);
}
/**
* Add a list of tracks to this model and optionally sort them
* @param inList list of tracks to add
* @param inSort true to sort results after adding
*/
public void addTracks(ArrayList<SearchResult> inList, boolean inSort)
{
if (_trackList == null) {_trackList = new ArrayList<>();}
final int prevCount = _trackList.size();
if (inList != null && inList.size() > 0)
{
_trackList.addAll(inList);
if (inSort) {
Collections.sort(_trackList);
}
}
final int updatedCount = _trackList.size();
if (prevCount <= 0) {
fireTableDataChanged();
}
else {
fireTableRowsInserted(prevCount, updatedCount-1);
}
}
/**
* @param inRowNum row number from 0
* @return track object for this row
*/
public SearchResult getTrack(int inRowNum) {
return _trackList.get(inRowNum);
}
/**
* Clear the list of tracks
*/
public void clear() {
_trackList = null;
}
}
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