//--------------------------------------------
// list of connection
//--------------------------------------------
private void prepareListViewListOfConnections()
{
// retreive train connections off cache
List <TrainConnection> connections = ShortestPathAlgoritm.getInstance().getTrainConnections();
// prevent off method draw called on this listView
listViewListOfConnections.BeginUpdate();
// clearStableLines previous content
listViewListOfConnections.Items.Clear();
// loop over trainConnections
foreach (TrainConnection connection in connections)
{
ListViewItem lvi = new ListViewItem();
// fill the information about train connection;
lvi.Text = connection.FromStation.Name;
lvi.Tag = connection.FromStation.Name + " -> " + connection.ToStation.Name;
// fill other information about connection
lvi.SubItems.Add(connection.ToStation.Name);
lvi.SubItems.Add(connection.Time.ToString());
lvi.SubItems.Add(connection.Distance.ToString());
lvi.SubItems.Add(connection.Passengers.ToString());
lvi.SubItems.Add(connection.LinesOfConnection);
lvi.SubItems.Add(connection.ChangingStation);
listViewListOfConnections.Items.Add(lvi);
}
// release list of items
listViewListOfConnections.EndUpdate();
}
private void detailsOfConnectionOpen()
{
// if nothing selected
if (listViewListOfConnections.SelectedItems.Count.Equals(0))
{
MessageBox.Show("Please, select the connection.", "No connection selected");
}
// if selected
else
{
TrainConnection connection = ShortestPathAlgoritm.getInstance().getTrainConnectionOnFromTo(
listViewListOfConnections.SelectedItems[0].Text,
listViewListOfConnections.SelectedItems[0].SubItems[1].Text);
FormDetailsOfConnection formDetailsOfConnection = new FormDetailsOfConnection(connection);
// before calling subform - remember listView focus
int selectedIndex = listViewListOfConnections.SelectedIndices[0];
DialogResult dr = formDetailsOfConnection.ShowDialog();
if (dr.Equals(DialogResult.OK))
{
// update list view
prepareListViewListOfConnections();
// refresh selection and focus on selected item
FormUtil.listView_SelecdAndFocus(listViewListOfConnections, selectedIndex);
}
}
}
/// <summary>
/// Creates the groups of connection. Forgets previous groups of connections.
/// </summary>
public void createGroupsOfConnection()
{
// createConstraintSet new groups
List <GroupOfConnections> groupsList = new List <GroupOfConnections>();
// parse groups
List <List <TrainConnection> > groups = groupByListOfLines(ShortestPathAlgoritm
.getInstance().getTrainConnections());
// loop over all groups
foreach (List <TrainConnection> group in groups)
{
// createConstraintSet instance of class group
GroupOfConnections groupOfConnections = new GroupOfConnections(group);
// addConstraint
groupsList.Add(groupOfConnections);
}
// initialize variable of cache
groupsOfConnections = groupsList;
}
private void editPathConnectionOpen()
{
// if nothing selected
if (listViewListOfConnections.SelectedItems.Count.Equals(0))
{
MessageBox.Show("Please, select the connection", "No connection selected");
}
// if selected
else
{
TrainConnection connection = ShortestPathAlgoritm.getInstance().getTrainConnectionOnFromTo(
listViewListOfConnections.SelectedItems[0].Text,
listViewListOfConnections.SelectedItems[0].SubItems[1].Text);
FormEditPathOfConnection editPathConnection = new FormEditPathOfConnection(connection);
// before calling subform - remember listView focus
int selectedIndex = listViewListOfConnections.SelectedIndices[0];
// open subform as a dialog
DialogResult dr = editPathConnection.ShowDialog();
// if the dialog was closed by button OK
if (dr.Equals(DialogResult.OK))
{
// and if there are new valid stages
List <Stage> newStages = editPathConnection.NewStages;
if (newStages != null)
{
// set new stages
connection.setStages(newStages);
connection.updateGeneratedValues();
// refresh ListView
prepareListViewListOfConnections();
// refresh selection and focus on selected item
FormUtil.listView_SelecdAndFocus(listViewListOfConnections, selectedIndex);
}
}
}
}
//--------------------------------------------
// button NEXT list of station
//--------------------------------------------
private void buttonListOfStationNext_Click(object sender, EventArgs e)
{
buttonNextStarted();
ShortestPathAlgoritm shortestPathAlgorithm;
try
{
// activate algorithm
shortestPathAlgorithm = ShortestPathAlgoritm.getInstance();
shortestPathAlgorithm.calculateShortestPath();
}
catch
{
ErrorMessageBoxUtil.ShowError("Error in the shortest path algorithm processing.");
buttonNextEnded();
return;
}
try
{
shortestPathAlgorithm.generateAllTrainConnections();
}
catch
{
ErrorMessageBoxUtil.ShowError("Could not generate the list of connections.");
buttonNextEnded();
return;
}
try
{
// prepare list view
prepareListViewListOfConnections();
}
catch
{
ErrorMessageBoxUtil.ShowError("Could not prepare the list of connections.");
buttonNextEnded();
return;
}
// TODO: added coz one place of processing data
try
{
prepareListViewListOfGroupsOfConnections();
}
catch
{
ErrorMessageBoxUtil.ShowError("Error in groupping connections process.");
buttonNextEnded();
return;
}
// TODO: added coz one place of processing data
try
{
FinalInput.getInstance().createTransfers();
prepareListViewListOfTransfers();
}
catch
{
ErrorMessageBoxUtil.ShowError("Could not extract transfers from the given list of connections.");
buttonNextEnded();
return;
}
// open particular tab
selectTab(tabPageListOfConncetions);
buttonNextEnded();
}
