/// <summary>
/// Inputs the length of the silence.
/// </summary>
/// <param name="mediafield">The mediafield.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
private MediaField InputSilenceLength(MediaField mediafield)
{
if (mediafield != null && mediafield.Type == MediaField.TypeEnum.Silence && mediafield.SilenceDuration == 0)
{
SilenceLength lengthform = new SilenceLength();
lengthform.ShowDialog();
if (lengthform.DialogResult == DialogResult.OK)
{
mediafield = new MediaField(lengthform.Length);
}
lengthform.Close();
}
return(mediafield);
}
/// <summary>
/// Adds a media field to the playback sequence listview.
/// </summary>
/// <param name="item">The item.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
private void AddMediaField(ListViewItem item)
{
item = (ListViewItem)item.Clone();
MediaField mediafield = item.Tag as MediaField;
if (mediafield != null && mediafield.Type == MediaField.TypeEnum.Silence && mediafield.SilenceDuration == 0)
{
//ask the user to enter the desired duration of the silence
mediafield = InputSilenceLength(mediafield);
if (mediafield.SilenceDuration == 0)
{
return;
}
else
{
item.Tag = mediafield;
item.Text = mediafield.ToString();
}
}
listViewPlaybackSequence.Items.Add(item);
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaFieldFile"/> class.
/// </summary>
/// <param name="mediafield">The mediafield.</param>
/// <param name="file">The file.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
public MediaFieldFile(MediaField mediafield, FileInfo file)
{
this.mediafield = mediafield;
this.file = file;
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaFieldFile"/> class.
/// </summary>
/// <param name="mediafield">The mediafield.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
public MediaFieldFile(MediaField mediafield)
{
this.mediafield = mediafield;
}
/// <summary>
/// Inputs the length of the silence.
/// </summary>
/// <param name="mediafield">The mediafield.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
private MediaField InputSilenceLength(MediaField mediafield)
{
if (mediafield != null && mediafield.Type == MediaField.TypeEnum.Silence && mediafield.SilenceDuration == 0)
{
SilenceLength lengthform = new SilenceLength();
lengthform.ShowDialog();
if (lengthform.DialogResult == DialogResult.OK)
mediafield = new MediaField(lengthform.Length);
lengthform.Close();
}
return mediafield;
}
/// <summary>
/// Handles the Click event of the buttonStart control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
/// <remarks>Documented by Dev02, 2008-03-17</remarks>
private void buttonStart_Click(object sender, EventArgs e)
{
if (BusinessLayer.WorkingThreadActive)
{
BusinessLayer.AbortWorkingThread();
return;
}
textBoxLog.Clear();
tracelistener.LogMessages.Clear();
//check if input file exists
if (!File.Exists(textBoxLearningModule.Text))
{
BusinessLayer.AddLog("The specified learning module file cannot be found");
return;
}
//check if any audio fields are selected
if (listViewPlaybackSequence.Items.Count == 0)
{
BusinessLayer.AddLog("Please select at least one field for the playback sequence");
return;
}
IDictionary dictionary = null;
try
{
AudioBookOptions options = new AudioBookOptions();
//add mono/stereo selection to options
options.Stereo = radioButtonStereo.Checked;
//add selected fields to the options
foreach (ListViewItem lvi in listViewPlaybackSequence.Items)
{
MediaField mediafield = lvi.Tag as MediaField;
if (mediafield != null)
{
options.MediaFields.Add(mediafield);
}
}
//check for valid file paths
FileInfo dictionaryfile = null, audiobook = null;
try
{
dictionaryfile = new FileInfo(textBoxLearningModule.Text);
audiobook = new FileInfo(textBoxAudiobook.Text);
if (string.IsNullOrEmpty(audiobook.Extension))
{
BusinessLayer.AddLog("Please enter a valid extension for the target audiobook file");
return;
}
}
catch
{
BusinessLayer.AddLog("The specified file paths are not valid. Please check your input");
return;
}
//save file paths to settings as recent files
Settings.Default.RecentLearningModule = dictionaryfile.FullName;
Settings.Default.RecentAudioBook = audiobook.FullName;
Settings.Default.Save();
//open learning module and start audio book generation
try
{
ConnectionStringStruct css = new ConnectionStringStruct(DatabaseType.MsSqlCe, dictionaryfile.FullName);
MLifter.DAL.Interfaces.IUser user = UserFactory.Create((GetLoginInformation)MLifter.Controls.LoginForm.OpenLoginForm, css, (DataAccessErrorDelegate) delegate { return; }, this);
css.LmId = User.GetIdOfLearningModule(dictionaryfile.FullName, user);
user.ConnectionString = css;
dictionary = user.Open();
}
catch (System.IO.IOException)
{
BusinessLayer.AddLog("The Learning Module file could not be accessed. Please make sure that it is not open within another program (e.g. MemoryLifter)");
return;
}
catch (System.Xml.XmlException)
{
BusinessLayer.AddLog("The Learning Module file does not seem to be in a valid format");
return;
}
catch (ProtectedLearningModuleException)
{
BusinessLayer.AddLog("The Learning Module could not be opened: It is content protected");
return;
}
catch (Exception exp)
{
BusinessLayer.AddLog("The Learning Module file could not be opened:" + Environment.NewLine + exp.Message);
return;
}
buttonStart.Text = "Cancel";
BusinessLayer.GenerateAudioBook(dictionary, audiobook, options, codecs);
}
catch (Exception exp)
{
BusinessLayer.AddLog("Audio book generation exception happened: " + Environment.NewLine + exp.ToString());
return;
}
finally
{
if (dictionary != null)
{
dictionary.Dispose();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaFieldFile"/> class.
/// </summary>
/// <param name="mediafield">The mediafield.</param>
/// <param name="file">The file.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
public MediaFieldFile(MediaField mediafield, FileInfo file)
{
this.mediafield = mediafield;
this.file = file;
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaFieldFile"/> class.
/// </summary>
/// <param name="mediafield">The mediafield.</param>
/// <remarks>Documented by Dev02, 2008-03-30</remarks>
public MediaFieldFile(MediaField mediafield)
{
this.mediafield = mediafield;
}