/// ------------------------------------------------------------------------------------
/// <summary>
/// Updates the date/time the data source was last modified. The return value is a
/// flag indicating whether or not the new value is different from the previous.
/// </summary>
/// ------------------------------------------------------------------------------------
public bool UpdateLastModifiedTime()
{
if (Type == DataSourceType.FW && FwSourceDirectFromDB)
{
return(m_fwDataSourceInfo.UpdateLastModifiedTime());
}
// We don't have a way to get the last modified time for server-based projects.
// TODO: Figure out how to deal with getting modifed time for server-based projects.
if (Type == DataSourceType.FW7 && m_fwDataSourceInfo.IsMultiAccessProject)
{
return(false);
}
var latestModification = (Type == DataSourceType.SA ?
SaAudioDocument.GetTranscriptionFileModifiedTime(SourceFile) :
File.GetLastWriteTimeUtc(SourceFile));
if (latestModification <= LastModification)
{
return(false);
}
LastModification = latestModification;
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Copies the transcription data from one audio document to another.
/// </summary>
/// ------------------------------------------------------------------------------------
public void Copy(string destFilePath, bool md5MustMatch)
{
// first check MD5
if (md5MustMatch && (AudioReader.GetMD5HashCode(destFilePath) != m_doc.MD5HashCode))
{
return;
}
// copy the transcription data
m_doc = m_doc.Clone();
m_doc.AudioFile = destFilePath;
Commit();
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Initializes an object to read SA data from the SA database.
/// </summary>
/// ------------------------------------------------------------------------------------
public bool Initialize(string audioFilePath, bool isForTmpOperation)
{
// Check if the DB used in some beta versions still exists. If so,
// then convert the documents therein to companion transcription files.
ConvertOldDatabaseToCompanionFiles();
m_doc = SaAudioDocument.Load(audioFilePath, isForTmpOperation, true);
if (m_doc != null)
{
ResetSegmentEnumerators();
return(true);
}
try {
using (AudioReader audioReader = new AudioReader()) {
AudioReader.InitResult result = audioReader.Initialize(audioFilePath);
if (result == AudioReader.InitResult.FileNotFound)
{
string msg = string.Format(Resources.kstidWaveFileNotFound, GUI.Utils.PrepFilePathForMsgBox(audioFilePath));
GUI.Utils.MsgBox(msg, MessageBoxButtons.OK);
return(false);
}
if ((result == AudioReader.InitResult.InvalidFormat))
{
string msg = string.Format(Resources.kstidInvalidWaveFile, GUI.Utils.PrepFilePathForMsgBox(audioFilePath));
GUI.Utils.MsgBox(msg, MessageBoxButtons.OK);
return(false);
}
// Try reading data from older SA audio files, converting
// it to Unicode along the way.
if (!audioReader.Read())
{
return(false);
}
// Now try reading the companion transcription file again.
m_doc = SaAudioDocument.Load(audioFilePath, isForTmpOperation, false);
ResetSegmentEnumerators();
}
} catch (Exception e) {
string msg = string.Format(Resources.kstidErrorInitializingDocReader, e.Message);
GUI.Utils.MsgBox(msg, MessageBoxButtons.OK);
return(false);
}
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
///
/// </summary>
/// ------------------------------------------------------------------------------------
private bool Initialize(string audioFilePath)
{
m_doc = SaAudioDocument.Load(audioFilePath, false, true);
if (m_doc != null)
{
ResetSegmentEnumerators();
return(true);
}
try
{
using (AudioReader audioReader = new AudioReader())
{
AudioReader.InitResult result = audioReader.Initialize(audioFilePath);
if (result == AudioReader.InitResult.FileNotFound)
{
return(false);
}
if ((result == AudioReader.InitResult.InvalidFormat))
{
return(false);
}
// Try reading data from older SA audio files, converting
// it to Unicode along the way.
if (!audioReader.Read(true))
{
return(false);
}
// Now try reading the companion transcription file again.
m_doc = SaAudioDocument.Load(audioFilePath, false, false);
ResetSegmentEnumerators();
}
}
catch
{
return(false);
}
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// This is not really necessary since the garbage collector should handle clearing
/// memory. But this is provided so COM clients can force freeing some of the memory.
/// </summary>
/// ------------------------------------------------------------------------------------
public void Close()
{
m_doc = null;
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Initializes an object to write SA data to the SA database.
/// </summary>
/// ------------------------------------------------------------------------------------
public bool Initialize(string audioFilePath, bool isForTmpOperation)
{
m_doc = SaAudioDocument.Load(audioFilePath, isForTmpOperation, false);
return(true);
}
