/// <summary>
/// Replaces placeholders in file naming pattern and displays the sample below the pattern field
/// </summary>
private void DisplaySamplePattern()
{
string pattern = GetFileNamingPattern();
if (pattern == String.Empty)
{
lblPatternTranslationSample.Text = "";
return;
}
if (FileNaming.isPatternValid(pattern))
{
lblPatternTranslationSample.Text = FileNaming.GenerateSampleFileName(pattern);
}
else
{
lblPatternTranslationSample.Text = "Pattern is not valid";
}
}
/// <summary>
/// Executes the main routine: reads information from form
/// and accordingly to the settings copies the files from one place to another
/// </summary>
public void executeMainRoutine(BackgroundWorker worker, DoWorkEventArgs e)
{
try
{
mainGUI.setProgressLabel("Reading files");
List <String> errors = new List <string>();
string source = mainGUI.GetSourceFolder();
readFiles(source);
// read data about filters from GUI and set the filters in Core
setFilters();
mainGUI.setProgressLabel("Filtering files");
// apply filters to files and save error messages from there
applyFilters(worker, e);
int totalFilesCopied = 0;
// finally copy the files
string targetFolder = mainGUI.GetTargetFolder();
for (int i = 0; i < files.Count; i++)
{
FileInfo file = files[i];
mainGUI.setProgressLabel("Copying files: " + i.ToString() + "/" + files.Count.ToString());
if (worker.CancellationPending == true)
{
e.Cancel = true;
errors.Add("Cancelled by user");
break;
}
// now make a new filename, according to the parameters provided by user
string paddedNumber = Util.PadNumberToMaximum(i, files.Count);
string newPath = FileNaming.GenerateFileName(file, mainGUI.GetFileNamingPattern(), mainGUI.IsAllowOverwriteFiles(), targetFolder, paddedNumber);
try
{
file.CopyTo(newPath);
totalFilesCopied++;
// if user checked the box for file deletion, try to remove the file.
if (mainGUI.IsRemoveImagesFromCache())
{
file.Delete();
}
}
catch (IOException)
{
errors.Add("Could not copy or delete file: " + file.Name);
}
// update progress bar
reportProgress(files.Count, i, worker);
}
mainGUI.setProgressLabel("");
//return errors;
e.Result = totalFilesCopied;
}
catch (Exception ex)
{
Util.WriteToLogFile(ex);
throw;
}
}
/// <summary>
/// Determines whether the form has valid user input.
/// Returns true if all the validations are fine.
/// False if some controls fail to validate.
/// List of messages passed in will be filled in with the error messages from
/// the faulty validation
/// </summary>
/// <param name="messages">The list of error messages - will be populated on faulty validation</param>
/// <returns>
/// <c>true</c> if the form is valid; otherwise, <c>false</c>.
/// </returns>
private Boolean IsValid(ref List <string> messages)
{
bool isValid = true;
// if target folder does not exist, ask user if need to create it
if (!Directory.Exists(targetFolderName.Text))
{
ConfirmAndCreateFolder(targetFolderName.Text);
}
// validate for TargetFolder
if (!Directory.Exists(targetFolderName.Text))
{
TargetFolderErrorProvider.SetError(targetFolderName, "Folder does not exist");
isValid = false;
messages.Add("Target folder does not exist");
tabControl1.SelectTab(0);
}
else
{
TargetFolderErrorProvider.SetError(targetFolderName, "");
}
// validate for source folder if manual selection
if (ManualSelectionRadioButton.Checked && !Directory.Exists(SourceFolderName.Text))
{
ManualSelectionErrorProvider.SetError(SourceFolderName, "Directory does not exist");
isValid = false;
messages.Add("Source folder does not exists");
tabControl1.SelectTab(0);
}
else
{
ManualSelectionErrorProvider.SetError(SourceFolderName, "");
}
if (chbxFileNamingPattern.Checked && !FileNaming.isPatternValid(GetFileNamingPattern()))
{
FilePatternErrorProvider.SetError(txtFileNamingPattern, "Pattern contains invalid characters or not valid");
messages.Add("File naming pattern contains invalid characters or not valid");
isValid = false;
//switch to second tab and focus on text field for file pattern
tabControl1.SelectTab(1);
txtFileNamingPattern.Focus();
}
else
{
FilePatternErrorProvider.SetError(txtFileNamingPattern, "");
}
// at least one file type must be enabled
if (!IsJPG() && !IsPNG() && !IsGIF())
{
ImageTypeErrorProvider.SetError(chbxGif, "At least one file type must be checked");
messages.Add("At least one file type must be checked, otherwise nothing will be copied");
isValid = false;
tabControl1.SelectTab(0);
}
else
{
ImageTypeErrorProvider.SetError(chbxGif, "");
}
return(isValid);
}
