// 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,
+
+ /// 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_DIGITS 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 include list. The validator checks if each input character is
+ /// in the list (one character per list element), complaining if not.
+ /// See wxTextValidator::SetCharIncludes().
+ wxFILTER_INCLUDE_CHAR_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 exclude list. The validator checks if each input character is
+ /// in the list (one character per list element), complaining if it is.
+ /// See wxTextValidator::SetCharExcludes().
+ wxFILTER_EXCLUDE_CHAR_LIST
+};
+
/**
@class wxTextValidator
For more information, please see @ref overview_validator.
- @beginStyleTable
- @style{wxFILTER_NONE}
- No filtering takes place.
- @style{wxFILTER_ASCII}
- Non-ASCII characters are filtered out.
- @style{wxFILTER_ALPHA}
- Non-alpha characters are filtered out.
- @style{wxFILTER_ALPHANUMERIC}
- Non-alphanumeric characters are filtered out.
- @style{wxFILTER_NUMERIC}
- Non-numeric characters are filtered out.
- @style{wxFILTER_INCLUDE_LIST}
- Use an include list. The validator checks if the user input is on
- the list, complaining if not. See SetIncludes().
- @style{wxFILTER_EXCLUDE_LIST}
- Use an exclude list. The validator checks if the user input is on
- the list, complaining if it is. See SetExcludes().
- @style{wxFILTER_INCLUDE_CHAR_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 SetIncludes().
- @style{wxFILTER_EXCLUDE_CHAR_LIST}
- Use an include list. The validator checks if each input character is
- in the list (one character per list element), complaining if it is.
- See SetExcludes().
- @endStyleTable
-
@library{wxcore}
@category{validator}
- @see @ref overview_validator, wxValidator, wxGenericValidator
+ @see @ref overview_validator, wxValidator, wxGenericValidator,
+ wxIntegerValidator, wxFloatingPointValidator
*/
class wxTextValidator : public wxValidator
{
Default constructor.
*/
wxTextValidator(const wxTextValidator& validator);
+
/**
Constructor taking a style and optional pointer to a wxString variable.
@param style
- A bitlist of flags documented in the class description.
+ 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
/**
Clones the text validator using the copy constructor.
*/
- virtual wxValidator* Clone() const;
+ virtual wxObject* Clone() const;
/**
Returns a reference to the exclude list (the list of invalid values).
/**
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 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);
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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