private void addConnectedLine()
{
FormAddLinesDialog formAddLinesDialog = new FormAddLinesDialog(trainLine, listViewListOfConnectedLines.Items);
DialogResult dr = formAddLinesDialog.ShowDialog();
// if the dialog was closed by Button OK
if (dr.Equals(DialogResult.OK))
{
// prevent off method draw
listViewListOfConnectedLines.BeginUpdate();
// if something was selected
if (!formAddLinesDialog.AddedLines.Count.Equals(0))
{
// addConstraint new connected lines
foreach (ListViewItem lvi in formAddLinesDialog.AddedLines)
{
ListViewItem lviClone = (ListViewItem)lvi.Clone();
listViewListOfConnectedLines.Items.Add(lviClone);
// The line that is already in the list can not be selected, so we can not store the same line twice.
connectedLinesLocal.Add(TrainLineCache.getInstance().getCacheContentOnNumber(Convert.ToInt32(lviClone.Tag)));
}
}
listViewListOfConnectedLines.EndUpdate();
}
}
private void prepareListViewListOfStations(int lineNumber)
{
// get trainLine1 on lineNumber
TrainLine trainLine = TrainLineCache.getInstance().getCacheContentOnNumber(lineNumber);
// get trainStop of line_
List <TrainStop> stops = trainLine.getTrainStops();
// starting update list, protected before method Draw
listViewListOfStations.BeginUpdate();
// clearStableLines previous list's items
listViewListOfStations.Items.Clear();
// and prepare new list view accordind trainStops of line_
foreach (TrainStop stop in stops)
{
// get station of stop
TrainStation station = stop.TrainStation;
ListViewItem lvi = new ListViewItem();
// fill item with throughStation's information
lvi.Text = station.Id.ToString();
lvi.Tag = station.Id.ToString();
lvi.SubItems.Add(station.Name);
lvi.SubItems.Add(station.TownCategory.ToString());
lvi.SubItems.Add(station.Inhabitation.ToString());
lvi.SubItems.Add(station.Town);
// addConstraint item into the list
listViewListOfStations.Items.Add(lvi);
}
// release list view
listViewListOfStations.EndUpdate();
}
private void detailsLineOpen()
{
// if nothing selected
if (listViewListOfLines.SelectedItems.Count.Equals(0))
{
MessageBox.Show("Please, select the line_.", "No line_ selected");
}
// if selected
else
{
Form formLineDetails = new FormDetailsOfLine(
TrainLineCache.getInstance().getCacheContentOnNumber(
Convert.ToInt32(
listViewListOfLines
.SelectedItems[0]
.Text
)
)
);
// before calling subform - remember listView focus
int selectedIndex = listViewListOfLines.SelectedIndices[0];
DialogResult dr = formLineDetails.ShowDialog();
if (dr.Equals(DialogResult.OK))
{
// update list view
prepareListViewListOfLines();
// refresh selection and focus on selected item
FormUtil.listView_SelecdAndFocus(listViewListOfLines, selectedIndex);
}
}
}
private void prepareListViewListOfLines()
{
// load line_'s cache
List <TrainLine> listLines = TrainLineCache.getInstance().getCacheContent();
// starting update list, protected before draw method
listViewListOfLines.BeginUpdate();
// clearStableLines previous list of items
listViewListOfLines.Items.Clear();
// and prepare new list view according line_'s cahe
foreach (TrainLine line in listLines)
{
ListViewItem lvi = new ListViewItem();
// fill item with line_'s information
lvi.Text = line.LineNumber.ToString();
lvi.Tag = line.LineNumber.ToString();
//ListViewItem.ListViewSubItem lvsi = new ListViewItem.ListViewSubItem();
//lvsi.Text = line_.TypeTrain.ToString();
lvi.SubItems.Add(line.TypeTrain.ToString());
lvi.SubItems.Add(line.Period.ToString());
lvi.SubItems.Add(line.getFirstTrainStop().TrainStation.Name);
lvi.SubItems.Add(line.getLastTrainStop().TrainStation.Name);
listViewListOfLines.Items.Add(lvi);
}
// release list of items
listViewListOfLines.EndUpdate();
}
/// <summary>
/// Creates the train line variables independent on solution.
/// </summary>
/// <param name="solution">The solution.</param>
/// <param name="trainLineMap">The train line map.</param>
/// <returns>Train line variables.</returns>
private static List <TrainLineVariable> createTrainLineVariablesIndependentOnSolution(Solution solution, List <TrainLine> trainLineMap)
{
// retreive all lines from train line cache
List <TrainLine> allLines = TrainLineCache.getInstance().getCacheContent();
// new train lines variable
List <TrainLineVariable> trainLineVariables = new List <TrainLineVariable>();
// if not all lines already contained, otherwise return
if (allLines.Count != trainLineMap.Count)
{
foreach (TrainLine line in allLines)
{
// if line is not contained in trian line map
if (!containsTrainLine(trainLineMap, line))
{
// create new line of timetable
TrainLineVariable tlv = new TrainLineVariable(line);
// set independent start time
tlv.StartTime = Time.MinValue;
// add
trainLineVariables.Add(tlv);
}
}
}
return(trainLineVariables);
}
/// <summary>
/// Function generates variableLines of connetcion according of edges of path.
/// New line_ is added, when previous edge has different line_ number.
///
/// Static funtion may be called don't change instance of TrainConnection.
/// </summary>
/// <param name="edges"></param>
/// <returns></returns>
public static List <TrainLine> generateLinesOfConnection(List <Edge> edges)
{
List <TrainLine> lines = new List <TrainLine>();
TrainLine line = null;
// variable for remembering previous edge
Edge previousEdge = null;
// loop over all edges in path
foreach (Edge edge in edges)
{
// if no previous edge exists then addConstraint first line_ and continue
if (previousEdge == null)
{
line = TrainLineCache.getInstance().getCacheContentOnNumber(edge.Line);
lines.Add(line);
previousEdge = edge;
continue;
}
// if previous edge of path has a different line_ number,
if (!previousEdge.Line.Equals(edge.Line))
{
line = TrainLineCache.getInstance().getCacheContentOnNumber(edge.Line);
lines.Add(line);
previousEdge = edge;
}
}
// if path has no variableLines return null
// if (variableLines.Count.Equals(0)) variableLines = null;
return(lines);
}
private void buttonEvaluateOriginalTimetable_Click(object sender, EventArgs e)
{
Timetable tt = TimetableUtil.constructOriginalTimetable(TrainLineCache.getInstance().getCacheContent());
FormTimetables form = new FormTimetables(new DummyAlgorithm(tt));
form.generateTimetables();
form.Show();
}
/// <summary>
/// Initializes a new instance of the <see cref="Stage"/> class.
/// </summary>
/// <param name="edges_">The list of edges.</param>
public Stage(List <Edge> edges_)
{
edges = edges_;
line = TrainLineCache.getInstance().getCacheContentOnNumber(edges[0].Line);
fromStation = edges[0].FromStation;
toStation = edges[edges.Count - 1].ToStation;
time = TrainConnection.calculateTime(edges);
distance = TrainConnection.calculateDistance(edges);
}
/// <summary>
/// Optimizations by function with respect to same line.
/// </summary>
/// <param name="edges">The edges.</param>
/// <param name="edgeCache">The edge cache.</param>
/// <returns></returns>
private static List <Edge> optimizationFunctionSameLine(List <Edge> edges, List <Edge> edgeCache)
{
// retreive all lines
List <TrainLine> allLines = TrainLineCache.getInstance().getCacheContent();
List <Edge> newPath = edges;
// loop over all lines
foreach (TrainLine line in allLines)
{
// find if one line contains first and last stop on path
if (containsTrainStations(line, edges[0].From, edges[edges.Count - 1].To))
{
// prepare new path
newPath = FloydWarshallUtil.createEdges(line, edges[0].From, edges[edges.Count - 1].To);
}
}
// return the same or new
return(newPath);
}
//--------------------------------------------
// create TrainLines
//--------------------------------------------
private void createTrainLinesFromFiles()
{
// clearStableLines variableLines off previous run
TrainLineCache.getInstance().clearContent();
// clearStableLines station off previous run
TrainStationCache.getInstance().clearContent();
TrainLineCache lineCache = TrainLineCache.getInstance();
foreach (ListViewItem lvi in listViewLoadFiles.Items)
{
TrainLine line = IOUtil.readTrainLineFromFile(lvi.Tag.ToString());
// test if already exists
if (TrainLineCache.getInstance().doesLineExist(line.LineNumber))
{
}
else
{
lineCache.addTrainLine(line);
}
}
}
/// <summary>
/// Optimizations by function - zig zag by stages.
/// </summary>
/// <param name="edges">The edges.</param>
/// <param name="edgesCache">The edges cache.</param>
/// <returns></returns>
private static List <Edge> optimizationFunctionZigZagByStages(List <Edge> edges, List <Edge> edgesCache)
{
List <Edge> newEdges = new List <Edge>();
// loop over all edges with index
for (int i = 0; i < edges.Count; i++)
{
// define last index
int last = edges.Count - 1;
// find last edges where the line is the same
while (i < last)
{
// if edges on the last current index has the same line
if (edges[last].Line.Equals(edges[i].Line))
{
break;
}
last--;
}
// if there is path > 1
if ((last - i) > 1)
{
// between thouse indices replace edges for
List <Edge> alternative = FloydWarshallUtil.createEdges(TrainLineCache.getInstance().getCacheContentOnNumber(edges[i].Line),
edges[i].From, edges[last].To);
// add alternative path instead
newEdges.AddRange(alternative);
// index += path
i = last;
}
else
{
// add original edge
newEdges.Add(edges[i]);
// index ++, in for loop
}
}
return(newEdges);
}
/// <summary>
/// Creates the components.
/// </summary>
/// <param name="listOfStrings">The list of strings.</param>
/// <returns>The components</returns>
private static List <HashSet <TrainLine> > createComponents(List <String[]> listOfStrings)
{
// create list of components
List <HashSet <TrainLine> > components = new List <HashSet <TrainLine> >();
// loop over all pair
foreach (String[] strings in listOfStrings)
{
// if is not pair, continue
if (!strings.Length.Equals(2))
{
continue;
}
TrainLine item1 = TrainLineCache.getInstance().getCacheContentOnNumber(Convert.ToInt32(strings[0]));
TrainLine item2 = TrainLineCache.getInstance().getCacheContentOnNumber(Convert.ToInt32(strings[1]));
// both lines must exist
if (item1 == null || item2 == null)
{
continue;
}
// set single components
HashSet <TrainLine> component1 = new HashSet <TrainLine>();
component1.Add(item1);
HashSet <TrainLine> component2 = new HashSet <TrainLine>();
component2.Add(item2);
int foundBoth = 0;
// find components
foreach (HashSet <TrainLine> component in components)
{
// find first component
if (component.Contains(item1))
{
component1 = component;
foundBoth++;
}
// find second component
if (component.Contains(item2))
{
component2 = component;
foundBoth++;
}
if (foundBoth == 2)
{
break;
}
}
// no compomenets exist, add first as the only one
if (foundBoth == 0)
{
components.Add(component1);
}
// if different, mergde them
if (component1 != component2)
{
// remove 2nd
components.Remove(component2);
component1.UnionWith(component2);
}
}
return(components);
}
/// <summary>
/// Sets the default values for fields.
/// </summary>
private void setDefaultValues()
{
this.Timetables = new List <Timetable>();
this.TrainLines = TrainLineCache.getInstance().getCacheContent();
this.TrainStations = TrainStationCache.getInstance().getCacheContent();
}
