private List<FileWithTags> getOtherFilesInDirectory(List<string> filesAndDirectoriesNames)
{
if (this.database == null || filesAndDirectoriesNames == null)
return new List<FileWithTags>();
if (filesAndDirectoriesNames.Count == 0)
return new List<FileWithTags>();
System.IO.DirectoryInfo parentDirectory = null;
// Take the first item, Assume it is a file
System.IO.FileInfo item = new System.IO.FileInfo(filesAndDirectoriesNames[0]);
// Check if the item is a file
if (item.Exists /* isFile*/ )
{
parentDirectory = item.Directory;
}
else /* Maybe a directory*/
{
// Assume it is a directory
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(filesAndDirectoriesNames[0]);
// Check that in fact the name represents a directory
if (dir.Exists)
{
parentDirectory = dir.Parent;
}
}
if (parentDirectory != null)
{
System.IO.FileInfo[] directoryFiles = parentDirectory.GetFiles();
List<FileWithTags> listOfFiles = new List<FileWithTags>();
// Convert list to lower-case for comparison
for (int i = 0; i < filesAndDirectoriesNames.Count; i++)
filesAndDirectoriesNames[i] = filesAndDirectoriesNames[i].ToLower();
// Create list of all files within the directory that exists in the database
FileWithTags file;
foreach (System.IO.FileInfo fi in directoryFiles)
{
if (!filesAndDirectoriesNames.Contains(fi.FullName.ToLower()))
{
file = this.database[fi.FullName];
if (file != null)
listOfFiles.Add(file);
}
}
return listOfFiles;
}
return new List<FileWithTags>();
}
private List<FileTag> getUnionOfTags(List<FileWithTags> files)
{
FileWithTags tempFile = new FileWithTags();
// Check the input
if (files != null && files.Count > 0)
{
// Add to the file tags from all other files.
// The file object will be in charge of removing duplicated tags
for (int i = 0; i < files.Count; i++)
{
tempFile.Tags.AddRange(files[i].Tags);
}
}
return tempFile.Tags;
}
/// <summary>
/// Sets the tags list of the form to show the tags of the input parameter
/// </summary>
/// <param name="file"></param>
public void SetFile(FileWithTags file)
{
if (this.files == null)
this.files = new List<FileWithTags>();
this.files.Clear();
this.files.Add(file);
this.file = file;
this.Text = file.FileName;
// Set list box of tags
this.listTags.Items.Clear();
foreach (FileTag tag in file.Tags)
{
this.listTags.Items.Add(tag);
this.originalTagsList.Add(tag);
}
// Set list box of proposed tags
this.listProposedTags.Items.Clear();
foreach (FileTag tag in this.proposedTags)
{
if (!file.Tags.Exists(tag.Compare))
this.listProposedTags.Items.Add(tag);
}
this.listFiles.Items.Clear();
this.listFiles.Items.Add(file.FileName);
}
/// <summary>
/// This method gets a list of all selected files and directories names
/// and sets the form to show all mutual tags between each and every file
/// within that list and sub-directories of selected directories in the list
/// </summary>
/// <param name="filesAndDirectoriesNames"></param>
public void SetFiles(List<string> filesAndDirectoriesNames)
{
// Exit if no database is present
if (this.database == null)
return;
// Get the list of all file names (instead of directories names)
List<string> fileNames = this.extractAllFilesNames(filesAndDirectoriesNames);
// Prepare a list of FileWithTags
List<FileWithTags> files = new List<FileWithTags>();
// Search each file name in the database
foreach (string fileName in fileNames)
{
// Find file in database
FileWithTags file = this.database[fileName];
if (file == null) /* If not found, create the file and add to database */
{
file = new FileWithTags();
file.FileName = fileName;
this.database.Files.Add(file);
}
// Add file to the list
files.Add(file);
}
// Use method to set the visualization
this.proposedTags = this.getUnionOfTags(this.getOtherFilesInDirectory(filesAndDirectoriesNames));
this.SetFiles(files);
}
/// <summary>
///
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public static TagFilesDatabase DeSerialize(string fileName)
{
TagFilesDatabase ret = new TagFilesDatabase();
if (File.Exists(fileName))
{
string line = "";
FileStream fileStream = new FileStream(fileName, FileMode.Open);
StreamReader reader = new StreamReader(fileStream);
while (!reader.EndOfStream)
{
line = reader.ReadLine();
// Read the files
if (line == fileBeginString)
{
// Read the file name
FileWithTags file = new FileWithTags();
file.FileName = reader.ReadLine();
// Read the tags
line = reader.ReadLine();
while (line != fileEndString)
{
FileTag tag = new FileTag();
tag.Value = line;
file.Tags.Add(tag);
line = reader.ReadLine();
}
ret.Files.Add(file);
}
// Read the groups
else if (line == groupsBeginString)
{
line = reader.ReadLine();
while (line != groupsEndString)
{
string name = line;
string key = reader.ReadLine();
ret.CreateGroup(name, key);
line = reader.ReadLine();
}
}
// Read the mapping between tags and groups
else if (line == mappingBeginString)
{
line = reader.ReadLine();
int index = 0;
while (line != mappingEndString)
{
// read the tag line
FileTag tag = new FileTag(line);
// read the group index line
int groupIndex = int.Parse(reader.ReadLine());
// find the tag in the list
index = ret.tags.FindIndex(tag.Compare);
if (index >= 0)
{
ret.tagGroupMapping[index] = groupIndex;
}
line = reader.ReadLine();
}
}
}
reader.Dispose();
fileStream.Close();
}
return ret;
}
public TagFilesDatabaseEventArgs(FileWithTags file, FileTag tag)
{
this.file = file;
this.tag = tag;
}
private void raiseEvent(DatabaseAction action, FileWithTags file, FileTag tag)
{
TagFilesDatabaseEventArgs e = new TagFilesDatabaseEventArgs(file, tag);
if (action == DatabaseAction.AddingTag)
{
if (this.TagAdded != null)
this.TagAdded(this, e);
}
else if (action == DatabaseAction.RemovingTag)
{
if (this.TagRemoved != null)
this.TagRemoved(this, e);
}
else if (action == DatabaseAction.RemovingFile)
{
if (this.FileRemoved != null)
this.FileRemoved(this, e);
}
else if (action == DatabaseAction.AddingFile)
{
if (this.FileAdded != null)
this.FileAdded(this, e);
}
}
private void file_TagAdded(FileWithTags sender, FileWithTags.FileWithTagsEventArgs e)
{
// Set the action of the database
this.currentAction = DatabaseAction.AddingTag;
// If it's the first tag of the file, remove the Empty tag from the database
if (sender.Tags.Count == 1) // After the tag was added
this.removeTag("");
// Add the tag
this.addTag(e.Tag.Value);
// Set the ending of the action
this.currentAction = DatabaseAction.Idle;
// Raise the DatabaseChange event
this.raiseEvent(DatabaseAction.AddingTag, sender, e.Tag);
}
// A file from the list of files notifies that one of its tags has been removed or that a new tag has been added
private void file_TagRemoved(FileWithTags sender, FileWithTags.FileWithTagsEventArgs e)
{
// Set the action of the database
this.currentAction = DatabaseAction.RemovingTag;
// Remove the tag
this.removeTag(e.Tag.Value);
// If no more tags remains, add to the database the Empty tag
if (sender.Tags.Count == 0)
{
this.addTag("");
}
// Set the ending of the action
this.currentAction = DatabaseAction.Idle;
// Raise the DatabaseChange event
this.raiseEvent(DatabaseAction.RemovingTag, sender, e.Tag);
}
