/// <summary>
/// Creates a new SongForm
/// </summary>
/// <param name="pc">The project controller</param>
/// <param name="user">The user that was logged in</param>
public SongForm(IController pc, User user)
{
// Initialize the class
this.currentUser = user;
this.projectController = pc;
InitializeComponent();
// Set up event handlers for sorting the table and pressing enter in the search text box
dataGridView1.ColumnHeaderMouseClick += new DataGridViewCellMouseEventHandler(this.columnHeaders_Click);
searchBox.KeyPress += new KeyPressEventHandler(onKeyPress);
this.MinimumSize = this.Size;
this.MaximumSize = this.Size;
// If not logged in as an owner, disable some functionality
if (!user.IsOwner)
{
// Disable the ability to add/delete songs and save/backup the database for a regular user
databaseToolStripMenuItem.Visible = false;
songLibraryToolStripMenuItem.Visible = false;
deleteButton.Visible = false;
deleteButton.Enabled = false;
// Don't allow regular user to edit fields
foreach (DataGridViewColumn d in dataGridView1.Columns)
{
d.ReadOnly = true;
}
}
else
{
// Set up event handlers for editing fields
dataGridView1.CellBeginEdit += new DataGridViewCellCancelEventHandler(dataGridView1_CellBeginEdit);
dataGridView1.CellEndEdit += new DataGridViewCellEventHandler(dataGridView1_CellEndEdit);
// Register delete key press while focus is on the table
dataGridView1.KeyDown += new KeyEventHandler(dataGridView1_KeyDown);
}
// Set the default sorting for the table
currentSortField = SongFields.Artist;
currentSortType = SortType.Ascending;
currentSearchString = null;
currentSearchField = SongFields.Artist;
// Set the search field drop down box to Artist
fieldSelectBox.SelectedIndex = 0;
// Load the database
loadDatabase();
}
/// <summary>
/// Loads the users information into the database
/// </summary>
private void LoadUsersFromFile()
{
try
{
using (XmlTextReader xtr = new XmlTextReader(Assembly.GetExecutingAssembly().Location + @"\..\Resources\Users.xml"))
{
User u = null;
string nodeType = "none";
while (xtr.Read())
{
switch (xtr.NodeType)
{
case XmlNodeType.Element:
if (xtr.Name == "User")
{
u = new User();
}
nodeType = xtr.Name;
break;
case XmlNodeType.Text:
if (nodeType == "Name")
{
u.Name = xtr.Value;
}
else if (nodeType == "Username")
{
u.Username = xtr.Value;
}
else if (nodeType == "Password")
{
u.Password = xtr.Value;
}
else if (nodeType == "UserType")
{
u.Type = (UserType)Enum.Parse(typeof(UserType), xtr.Value);
}
break;
case XmlNodeType.EndElement:
if (xtr.Name == "User")
{
this.Users.Add(u);
}
break;
}
}
}
}
catch (FileNotFoundException)
{
throw new FileNotFoundException("The user database could not be found");
}
}