// Purpose: interface of wxTextValidator
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/**
Styles used by wxTextValidator.
+
+ Note that when you specify more styles in wxTextValidator the validation checks
+ are performed in the order in which the styles of this enumeration are defined.
*/
enum wxTextValidatorStyle
{
/// No filtering takes place.
wxFILTER_NONE,
- /// Non-ASCII characters are filtered out.
+ /// Empty strings are filtered out.
+ /// If this style is not specified then empty strings are accepted
+ /// only if they pass the other checks (if you use more than one wxTextValidatorStyle).
+ wxFILTER_EMPTY,
+
+ /// Non-ASCII characters are filtered out. See wxString::IsAscii.
wxFILTER_ASCII,
/// Non-alpha characters are filtered out.
+ /// Uses the wxWidgets wrapper for the standard CRT function @c isalpha
+ /// (which is locale-dependent) on all characters of the string.
wxFILTER_ALPHA,
/// Non-alphanumeric characters are filtered out.
+ /// Uses the wxWidgets wrapper for the standard CRT function @c isalnum
+ /// (which is locale-dependent) on all characters of the string.
wxFILTER_ALPHANUMERIC,
/// Non-numeric characters are filtered out.
+ /// Uses the wxWidgets wrapper for the standard CRT function @c isdigit
+ /// (which is locale-dependent) on all characters of the string.
+ wxFILTER_DIGITS,
+
+ /// Non-numeric characters are filtered out.
+ /// Works like @c wxFILTER_SIMPLE_NUMBER but allows also decimal points,
+ /// minus/plus signs and the 'e' or 'E' character to input exponents.
+ /// Note that this is not the same behaviour of wxString::IsNumber().
wxFILTER_NUMERIC,
/// Use an include list. The validator checks if the user input is on
/// the list, complaining if not. See wxTextValidator::SetIncludes().
wxFILTER_INCLUDE_LIST,
- /// Use an exclude list. The validator checks if the user input is on
- /// the list, complaining if it is. See wxTextValidator::SetExcludes().
- wxFILTER_EXCLUDE_LIST,
-
/// Use an include list. The validator checks if each input character is
/// in the list (one character per list element), complaining if not.
- /// See wxTextValidator::SetIncludes().
+ /// See wxTextValidator::SetCharIncludes().
wxFILTER_INCLUDE_CHAR_LIST,
- /// Use an include list. The validator checks if each input character is
+ /// Use an exclude list. The validator checks if the user input is on
+ /// the list, complaining if it is. See wxTextValidator::SetExcludes().
+ wxFILTER_EXCLUDE_LIST,
+
+ /// Use an exclude list. The validator checks if each input character is
/// in the list (one character per list element), complaining if it is.
- /// See wxTextValidator::SetExcludes().
+ /// See wxTextValidator::SetCharExcludes().
wxFILTER_EXCLUDE_CHAR_LIST
};
Constructor taking a style and optional pointer to a wxString variable.
@param style
- One of the ::wxTextValidatorStyle styles.
+ One or more of the ::wxTextValidatorStyle styles. See SetStyle().
@param valPtr
A pointer to a wxString variable that contains the value. This
variable should have a lifetime equal to or longer than the
validator lifetime (which is usually determined by the lifetime of
the window).
*/
- wxTextValidator(wxTextValidatorStyle style = wxFILTER_NONE, wxString* valPtr = NULL);
+ wxTextValidator(long style = wxFILTER_NONE, wxString* valPtr = NULL);
/**
Clones the text validator using the copy constructor.
/**
Returns the validator style.
+
+ @see HasFlag()
*/
long GetStyle() const;
+ /**
+ Returns @true if the given @a style bit is set in the current style.
+ */
+ bool HasFlag(wxTextValidatorStyle style) const;
+
/**
Receives character input from the window and filters it according to
the current validator style.
*/
void SetExcludes(const wxArrayString& stringList);
+ /**
+ Breaks the given @a chars strings in single characters and sets the
+ internal wxArrayString used to store the "excluded" characters
+ (see SetExcludes()).
+
+ This function is mostly useful when @c wxFILTER_EXCLUDE_CHAR_LIST was used.
+ */
+ void SetCharExcludes(const wxString& chars);
+
/**
Sets the include list (valid values for the user input).
*/
void SetIncludes(const wxArrayString& stringList);
/**
- Sets the validator style.
+ Breaks the given @a chars strings in single characters and sets the
+ internal wxArrayString used to store the "included" characters
+ (see SetIncludes()).
+
+ This function is mostly useful when @c wxFILTER_INCLUDE_CHAR_LIST was used.
*/
- void SetStyle(wxTextValidatorStyle style);
+ void SetCharIncludes(const wxString& chars);
+
+ /**
+ Sets the validator style which must be a combination of one or more
+ of the ::wxTextValidatorStyle values.
+
+ Note that not all possible combinations make sense!
+ Also note that the order in which the checks are performed is important,
+ in case you specify more than a single style.
+ wxTextValidator will perform the checks in the same definition order
+ used in the ::wxTextValidatorStyle enumeration.
+ */
+ void SetStyle(long style);
/**
Transfers the value in the text control to the string.
depending on the validator style.
*/
virtual bool Validate(wxWindow* parent);
+
+protected:
+
+ /**
+ Returns @true if all the characters of the given @a val string
+ are present in the include list (set by SetIncludes() or SetCharIncludes()).
+ */
+ bool ContainsOnlyIncludedCharacters(const wxString& val) const;
+
+ /**
+ Returns true if at least one character of the given @a val string
+ is present in the exclude list (set by SetExcludes() or SetCharExcludes()).
+ */
+ bool ContainsExcludedCharacters(const wxString& val) const;
+
+ /**
+ Returns the error message if the contents of @a val are invalid
+ or the empty string if @a val is valid.
+ */
+ virtual wxString IsValid(const wxString& val) const;
};
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