void ProcessListBoxDoubleClick(string entry)
{
string line = MainForm.InputBox.Text;
int offset = MainForm.InputBox.SelectionStart;
CommandArguments arguments;
CommandArgument activeArgument;
try
{
arguments = new CommandArguments(line);
activeArgument = arguments.FindMatchingResult(offset);
PerformInputBoxReplacement(line, entry, activeArgument);
}
catch (ArgumentException)
{
Beep();
return;
}
}
void Tab()
{
lock (this)
{
CloseAutoCompletionForm();
int offset = MainForm.InputBox.SelectionStart;
string line = MainForm.InputBox.Text;
CommandArguments arguments;
try
{
arguments = new CommandArguments(line);
}
catch (ArgumentException)
{
//there was a missing quote - this could possibly be handed by automatically attaching another quote at the end
Beep();
return;
}
CommandArgument activeArgument;
try
{
activeArgument = arguments.FindMatchingResult(offset);
}
catch (ArgumentException)
{
//the cursor of the user was not within the boundaries of any argument within the line
Beep();
return;
}
string argumentString = activeArgument.Argument;
//fix for weird tabbing behaviour on Windows for strings like "c:"
if (IsWindows && argumentString.Length == 2 && Char.IsLetter(argumentString[0]) && argumentString[1] == ':')
argumentString += Path.DirectorySeparatorChar;
HashSet<string> autoCompletionStrings = new HashSet<string>();
if (System.Object.ReferenceEquals(activeArgument, arguments.Command))
{
//the user is performing the tab within the first unit of the input - that is the command unit
foreach (string i in PathNames)
autoCompletionStrings.Add(i);
}
else
{
//the user is performing the tab within the boundaries of one of the argument units and not the command unit
List<string> currentDirectory = LoadDirectoryContentsForAPathToAFile(argumentString);
foreach (string i in currentDirectory)
autoCompletionStrings.Add(i);
}
if (Nil.File.GetFileType(argumentString) == Nil.File.FileType.Directory)
{
//the current argument the user is tabbing in refers to a directory
List<string> directoryContent = LoadDirectoryContent(argumentString);
foreach (string i in directoryContent)
autoCompletionStrings.Add(i);
}
else
{
//the tabbed argument either refers to a file or is simply incomplete and refers to neither a file nor a directory
//just add the directory it currently refers to then
List<string> directoryContent = LoadDirectoryContentsForAPathToAFile(argumentString);
foreach (string i in directoryContent)
autoCompletionStrings.Add(i);
}
//filter out the strings which do not match the tabbed argument
List<string> filteredAutoCompletionStrings = new List<string>();
foreach (string target in autoCompletionStrings)
{
if
(
target.Length >= argumentString.Length &&
CaseInsensitiveStringComparison(argumentString, target.Substring(0, argumentString.Length))
)
filteredAutoCompletionStrings.Add(target);
}
if (filteredAutoCompletionStrings.Count == 0)
{
//no matches could be found
Beep();
return;
}
if (filteredAutoCompletionStrings.Count > 1)
ShowAutoCompletionForm(filteredAutoCompletionStrings);
string longestCommonSubstring = GetLongestCommonSubstring(filteredAutoCompletionStrings, argumentString.Length);
if (longestCommonSubstring == argumentString)
{
//no better match could be found, play a beep
Beep();
return;
}
PerformInputBoxReplacement(line, longestCommonSubstring, activeArgument);
}
}