private void BindFromExistingAngeboteToComboBox(object sender, EventArgs e)
{
// add empty element to make empty choices possible
List<string> listItems = new List<string>();
listItems.Add("");
AngebotManager manager = new AngebotManager();
// load all angebote from list
List<AngebotTable> angebote = manager.Load(-1, new DateTime(1900, 1, 1), new DateTime(2100, 1, 1), this.projektNeuMsgLabel);
// if there are results, add them to string result list
if (angebote.Count != 0)
{
foreach (AngebotTable angebot in angebote)
{
string entry = angebot.ID + ": " + angebot.Beschreibung;
listItems.Add(entry);
}
}
// set data source
(sender as ComboBox).DataSource = listItems;
}
/// <summary>
/// Start searching for Angebote and pass arguments to business layer
/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The params</param>
private void SearchAngebote(object sender, EventArgs e)
{
// hide Messagelabel
this.angebotSuchenMsgLabel.Hide();
// get selected KundenID
// force searching for existing Kunden, if Kunde has not dropped down the ComboBox (would throw Exception otherwise)
if (this.angebotSuchenKundeComboBox.SelectedIndex < 0)
{
GlobalActions.BindFromExistingKundenToComboBox(this.angebotSuchenKundeComboBox, null);
}
// get kundenID out of ComboBox
string kundenID = this.angebotSuchenKundeComboBox.SelectedItem.ToString();
int id=-1;
try
{
id = GlobalActions.GetIdFromCombobox(kundenID, angebotSuchenMsgLabel);
}
catch
(
InvalidInputException
)
{
logger.Log(Logger.Level.Error, "Unknown Exception while getting ID from Projekte from AngeboteTab!");
}
// get Angebot in SDS format: 6/1/2009
DateTime from = this.angebotSuchenVonDatepicker.Value;
DateTime until = this.angebotSuchenBisDatepicker.Value;
AngebotManager manager = new AngebotManager();
List<AngebotTable> results = new List<AngebotTable>();
try
{
results = manager.Load(id, from, until, this.angebotSuchenMsgLabel);
}
catch (DataBaseException ex)
{
this.logger.Log(Logger.Level.Error, "A serious problem with the database has occured. Program will be exited. " + ex.Message + ex.StackTrace);
Application.Exit();
}
// add results to binding source
this.angebotSuchenBindingSource.DataSource = results;
}
/// <summary>
/// Creates a new Projekt
/// </summary>
/// <param name="sender">The sending object</param>
/// <param name="e">The event args</param>
private void CreateProjekt(object sender, EventArgs e)
{
// hide label
this.projektNeuMsgLabel.Text = string.Empty;
this.projektNeuMsgLabel.Hide();
// define Rules
IRule lnhsv = new LettersNumbersHyphenSpaceValidator();
IRule slv = new StringLength150Validator();
ProjektTable projekt = new ProjektTable();
// bind values
projekt.Projektname = DataBindingFramework.BindFromString(this.projektNeuProjekttitelTextbox.Text, "Projekttitel", this.projektNeuMsgLabel, false, lnhsv, slv);
if (lnhsv.HasErrors || slv.HasErrors)
{ this.projektNeuMsgLabel.Text = "Projektname ungültig!"; }
// no Angebot chosen or first element chosen (which is empty) -> show error label
if (this.projektErstellenAngebotCombobox.SelectedIndex <= 0)
{
this.projektNeuMsgLabel.Text += "\nKein Angebot ausgewählt";
this.projektNeuMsgLabel.ForeColor = Color.Red;
this.projektNeuMsgLabel.Show();
return;
}
// Angebot chosen - get ID out of ComboBox
else
{
string s_angebotID = this.projektErstellenAngebotCombobox.SelectedItem.ToString();
s_angebotID = s_angebotID.Substring(0, s_angebotID.IndexOf(':'));
IRule posint = new PositiveIntValidator();
IRule datev = new DateValidator();
projekt.AngebotID = DataBindingFramework.BindFromInt(s_angebotID, "AngebotID", this.projektNeuMsgLabel, false, posint);
projekt.Projektstart = DataBindingFramework.BindFromString(this.projektNeuStartdatumDatepicker.Value.ToShortDateString(), "Startdatum", projektNeuMsgLabel, false, datev);
// Check for errors while databinding
if (this.projektNeuMsgLabel.Visible)
{
this.logger.Log(Logger.Level.Error, projekt.AngebotID + " is an invalid Angebot ID or invalid date chosen or invalid project name.");
return;
}
// get Kunde table out of Database
AngebotManager loader = new AngebotManager();
List<AngebotTable> results = loader.Load(projekt.AngebotID, new DateTime(1900, 1, 1), new DateTime(2100, 1, 1), this.projektNeuMsgLabel, true);
// there must be exactly one result, for ID is unique!
if (results.Count != 1)
{
this.logger.Log(Logger.Level.Error, "More than one Angebot returned - impossible, because ID is unique!");
this.projektNeuMsgLabel.Text = "Error: Datenbank inkonsistent!";
this.projektNeuMsgLabel.Visible = true;
return;
}
// everything went fine
ProjektManager saver = new ProjektManager();
try
{
saver.Create(projekt);
//logger.Log(Logger.Level.Info, "uebergabe von projekttab: " + projekt.AngebotID+ " " + projekt.Projektstart);
}
catch (InvalidInputException ex)
{
this.logger.Log(Logger.Level.Error, "Input was invalid, although checked." + ex.Message);
}
catch (DataBaseException ex)
{
this.logger.Log(Logger.Level.Error, "Some serious problem with the database occured!" + ex.Message);
}
GlobalActions.ShowSuccessLabel(this.projektNeuMsgLabel);
}
}