prop.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

}

void wxPropertyValue::operator=(const wxPropertyValue& val)
{
  m_modifiedFlag = true;
  Copy((wxPropertyValue&)val);
}

// void wxPropertyValue::operator=(const char *val)
void wxPropertyValue::operator=(const wxString& val1)
{
  const wxChar *val = (const wxChar *)val1;

  m_modifiedFlag = true;

  wxPropertyValueType oldType = m_type;
  if (oldType == wxPropertyValueString)
  {
    delete[] m_value.string ;
    m_value.string = NULL;
  }

  if (m_type == wxPropertyValueNull)
    m_type = wxPropertyValueString;

  if (m_type == wxPropertyValueString)
  {
    if (val)
      m_value.string = copystring(val);
    else
      m_value.string = NULL;
  }
  else if (m_type == wxPropertyValueStringPtr)
  {
    wxFAIL_MSG( wxT("Shouldn't try to assign a wxString reference to a char* pointer.") );
    if (val)
      *m_value.stringPtr = copystring(val);
    else
      *m_value.stringPtr = NULL;
  }

  m_clientData = NULL;
  m_next = NULL;
  m_last = NULL;

}

void wxPropertyValue::operator=(const long val)
{
  wxPropertyValueType oldType = m_type;
  if (oldType == wxPropertyValueString)
  {
    delete[] m_value.string ;
    m_value.string = NULL;
  }

  m_modifiedFlag = true;
  if (m_type == wxPropertyValueNull)
    m_type = wxPropertyValueInteger;

  if (m_type == wxPropertyValueInteger)
    m_value.integer = val;
  else if (m_type == wxPropertyValueIntegerPtr)
    *m_value.integerPtr = val;
  else if (m_type == wxPropertyValueReal)
    m_value.real = (float)val;
  else if (m_type == wxPropertyValueRealPtr)
    *m_value.realPtr = (float)val;

  m_clientData = NULL;
  m_next = NULL;
}

void wxPropertyValue::operator=(const bool val)
{
  wxPropertyValueType oldType = m_type;
  if (oldType == wxPropertyValueString)
  {
    delete[] m_value.string ;
    m_value.string = NULL;
  }

  m_modifiedFlag = true;
  if (m_type == wxPropertyValueNull)
    m_type = wxPropertyValuebool;

  if (m_type == wxPropertyValuebool)
    m_value.integer = (long)val;
  else if (m_type == wxPropertyValueboolPtr)
    *m_value.boolPtr = val;

  m_clientData = NULL;
  m_next = NULL;
}

void wxPropertyValue::operator=(const float val)
{
  wxPropertyValueType oldType = m_type;
  if (oldType == wxPropertyValueString)
  {
    delete[] m_value.string ;
    m_value.string = NULL;
  }

  m_modifiedFlag = true;
  if (m_type == wxPropertyValueNull)
    m_type = wxPropertyValueReal;

  if (m_type == wxPropertyValueInteger)
    m_value.integer = (long)val;
  else if (m_type == wxPropertyValueIntegerPtr)
    *m_value.integerPtr = (long)val;
  else if (m_type == wxPropertyValueReal)
    m_value.real = val;
  else if (m_type == wxPropertyValueRealPtr)
    *m_value.realPtr = val;

  m_clientData = NULL;
  m_next = NULL;
}

void wxPropertyValue::operator=(const wxChar **val)
{
  wxPropertyValueType oldType = m_type;
  if (oldType == wxPropertyValueString)
  {
    delete[] m_value.string ;
    m_value.string = NULL;
  }

  m_modifiedFlag = true;
  m_type = wxPropertyValueStringPtr;

  if (val)
    m_value.stringPtr = (wxChar **)val;
  else
    m_value.stringPtr = NULL;
  m_clientData = NULL;
  m_next = NULL;
  m_last = NULL;

}

void wxPropertyValue::operator=(const long *val)
{
  m_modifiedFlag = true;
  m_type = wxPropertyValueIntegerPtr;
  m_value.integerPtr = (long *)val;
  m_clientData = NULL;
  m_next = NULL;
}

void wxPropertyValue::operator=(const bool *val)
{
  m_modifiedFlag = true;
  m_type = wxPropertyValueboolPtr;
  m_value.boolPtr = (bool *)val;
  m_clientData = NULL;
  m_next = NULL;
}

void wxPropertyValue::operator=(const float *val)
{
  m_modifiedFlag = true;
  m_type = wxPropertyValueRealPtr;
  m_value.realPtr = (float *)val;
  m_clientData = NULL;
  m_next = NULL;
}

long wxPropertyValue::IntegerValue(void) const
  {
    if (m_type == wxPropertyValueInteger)
      return m_value.integer;
    else if (m_type == wxPropertyValueReal)
      return (long)m_value.real;
    else if (m_type == wxPropertyValueIntegerPtr)
      return *m_value.integerPtr;
    else if (m_type == wxPropertyValueRealPtr)
      return (long)(*m_value.realPtr);
    else return 0;
  }

long *wxPropertyValue::IntegerValuePtr(void) const
{
  return m_value.integerPtr;
}

float wxPropertyValue::RealValue(void) const {
    if (m_type == wxPropertyValueReal)
      return m_value.real;
    else if (m_type == wxPropertyValueRealPtr)
      return *m_value.realPtr;
    else if (m_type == wxPropertyValueInteger)
      return (float)m_value.integer;
    else if (m_type == wxPropertyValueIntegerPtr)
      return (float)*(m_value.integerPtr);
    else return 0.0;
  }

float *wxPropertyValue::RealValuePtr(void) const
{
  return m_value.realPtr;
}

bool wxPropertyValue::BoolValue(void) const {
    if (m_type == wxPropertyValueReal)
      return (m_value.real != 0.0);
    if (m_type == wxPropertyValueRealPtr)
      return (*(m_value.realPtr) != 0.0);
    else if (m_type == wxPropertyValueInteger)
      return (m_value.integer != 0);
    else if (m_type == wxPropertyValueIntegerPtr)
      return (*(m_value.integerPtr) != 0);
    else if (m_type == wxPropertyValuebool)
      return (m_value.integer != 0);
    else if (m_type == wxPropertyValueboolPtr)
      return (*(m_value.boolPtr) != 0);
    else return false;
  }

bool *wxPropertyValue::BoolValuePtr(void) const
{
  return m_value.boolPtr;
}

wxChar *wxPropertyValue::StringValue(void) const {
    if (m_type == wxPropertyValueString)
      return m_value.string;
    else if (m_type == wxPropertyValueStringPtr)
      return *(m_value.stringPtr);
    else return NULL;
  }

wxChar **wxPropertyValue::StringValuePtr(void) const
{
  return m_value.stringPtr;
}

/*
 * A property (name plus value)
 */

IMPLEMENT_DYNAMIC_CLASS(wxProperty, wxObject)

wxProperty::wxProperty(void)
{
  m_propertyRole = wxEmptyString;
  m_propertyValidator = NULL;
  m_propertyWindow = NULL;
  m_enabled = true;
}

wxProperty::wxProperty(wxProperty& copyFrom)
    : wxObject()
{
  m_value = copyFrom.GetValue();
  m_name = copyFrom.GetName();
  m_propertyRole = copyFrom.GetRole();
  m_propertyValidator = copyFrom.GetValidator();
  m_enabled = copyFrom.IsEnabled();
  m_propertyWindow = NULL;
}

wxProperty::wxProperty(wxString nm, wxString role, wxPropertyValidator *ed):m_name(nm), m_propertyRole(role)
{
  m_propertyValidator = ed;
  m_propertyWindow = NULL;
  m_enabled = true;
}

wxProperty::wxProperty(wxString nm, const wxPropertyValue& val, wxString role, wxPropertyValidator *ed):
  m_value(val), m_name(nm), m_propertyRole(role)
{
  m_propertyValidator = ed;
  m_propertyWindow = NULL;
  m_enabled = true;
}

wxProperty::~wxProperty(void)
{
  if (m_propertyValidator)
    delete m_propertyValidator;
}

wxPropertyValue& wxProperty::GetValue(void) const
{
  return (wxPropertyValue&) m_value;
}

wxPropertyValidator *wxProperty::GetValidator(void) const
{
  return m_propertyValidator;
}

wxString& wxProperty::GetName(void) const
{
  return (wxString&) m_name;
}

wxString& wxProperty::GetRole(void) const
{
  return (wxString&) m_propertyRole;
}

void wxProperty::SetValue(const wxPropertyValue& val)
{
  m_value = val;
}

void wxProperty::SetValidator(wxPropertyValidator *ed)
{
  m_propertyValidator = ed;
}

void wxProperty::SetRole(wxString& role)
{
  m_propertyRole = role;
}

void wxProperty::SetName(wxString& nm)
{
  m_name = nm;
}

void wxProperty::operator=(const wxPropertyValue& val)
{
  m_value = val;
}

/*
 * Base property view class
 */

IMPLEMENT_DYNAMIC_CLASS(wxPropertyView, wxEvtHandler)

wxPropertyView::wxPropertyView(long flags)
{
  m_buttonFlags = flags;
  m_propertySheet = NULL;
  m_currentValidator = NULL;
  m_currentProperty = NULL;
}

wxPropertyView::~wxPropertyView(void)
{
}

void wxPropertyView::AddRegistry(wxPropertyValidatorRegistry *registry)
{
  m_validatorRegistryList.Append(registry);
}

wxPropertyValidator *wxPropertyView::FindPropertyValidator(wxProperty *property)
{
  if (property->GetValidator())
    return property->GetValidator();

  wxObjectList::compatibility_iterator node = m_validatorRegistryList.GetFirst();
  while (node)
  {
    wxPropertyValidatorRegistry *registry = (wxPropertyValidatorRegistry *)node->GetData();
    wxPropertyValidator *validator = registry->GetValidator(property->GetRole());
    if (validator)
      return validator;
    node = node->GetNext();
  }
  return NULL;
/*
  if (!wxDefaultPropertyValidator)
    wxDefaultPropertyValidator = new wxPropertyListValidator;
  return wxDefaultPropertyValidator;
*/
}

/*
 * Property sheet
 */

IMPLEMENT_DYNAMIC_CLASS(wxPropertySheet, wxObject)

wxPropertySheet::wxPropertySheet(const wxString& name)
:m_properties(wxKEY_STRING),m_name(name)
{
}

wxPropertySheet::~wxPropertySheet(void)
{
  Clear();
}

void wxPropertySheet::UpdateAllViews( wxPropertyView *WXUNUSED(thisView) )
{
}

// Add a property
void wxPropertySheet::AddProperty(wxProperty *property)
{
  m_properties.Append((const wxChar*) property->GetName(), property);
}

// Get property by name
wxProperty *wxPropertySheet::GetProperty(const wxString& name) const
{
  wxObjectList::compatibility_iterator node = m_properties.Find((const wxChar*) name);
  if (!node)
    return NULL;
  else
    return (wxProperty *)node->GetData();
}

bool wxPropertySheet::SetProperty(const wxString& name, const wxPropertyValue& value)
{
  wxProperty* prop = GetProperty(name);
  if(prop){
    prop->SetValue(value);
    return true;
  }else{
    return false;
  }
}

void wxPropertySheet::RemoveProperty(const wxString& name)
{
  wxObjectList::compatibility_iterator node = m_properties.Find(name);
  if(node)
  {
    wxProperty *prop = (wxProperty *)node->GetData();
     delete prop;
    m_properties.Erase(node);
  }
}

bool wxPropertySheet::HasProperty(const wxString& name) const
{
    return (GetProperty(name)?true:false);
}

// Clear all properties
void wxPropertySheet::Clear(void)
{
    wxObjectList::compatibility_iterator node = m_properties.GetFirst();
    while (node)
    {
        wxProperty *prop = (wxProperty *)node->GetData();
        delete prop;
        node = node->GetNext();
    }
    m_properties.Clear();
}

// Sets/clears the modified flag for each property value
void wxPropertySheet::SetAllModified(bool flag)
{
  wxObjectList::compatibility_iterator node = m_properties.GetFirst();
  while (node)
  {
    wxProperty *prop = (wxProperty *)node->GetData();
    prop->GetValue().SetModified(flag);
    node = node->GetNext();
  }
}

/*
 * Property validator registry
 *
 */

IMPLEMENT_DYNAMIC_CLASS(wxPropertyValidatorRegistry, wxHashTable)

wxPropertyValidatorRegistry::wxPropertyValidatorRegistry(void):wxHashTable(wxKEY_STRING)
{
}

wxPropertyValidatorRegistry::~wxPropertyValidatorRegistry(void)
{
  ClearRegistry();
}

void wxPropertyValidatorRegistry::RegisterValidator(const wxString& typeName, wxPropertyValidator *validator)
{
  Put((const wxChar*) typeName, validator);
}

wxPropertyValidator *wxPropertyValidatorRegistry::GetValidator(const wxString& typeName)
{
  return (wxPropertyValidator *)Get((const wxChar*) typeName);
}

void wxPropertyValidatorRegistry::ClearRegistry(void)
{
  BeginFind();
  wxHashTable::Node *node;
  while ((node = Next()) != NULL)
  {
    delete (wxPropertyValidator *)node->GetData();
  }
}

 /*
  * Property validator
  */


IMPLEMENT_ABSTRACT_CLASS(wxPropertyValidator, wxEvtHandler)

wxPropertyValidator::wxPropertyValidator(long flags)
{
  m_validatorFlags = flags;
  m_validatorProperty = NULL;
}

wxPropertyValidator::~wxPropertyValidator(void)
{}

bool wxPropertyValidator::StringToFloat (wxChar *s, float *number) {
    double num;
    bool ok = StringToDouble (s, &num);
    *number = (float) num;
    return ok;
}

bool wxPropertyValidator::StringToDouble (wxChar *s, double *number) {
    bool ok = true;
    wxChar *value_ptr;
    *number = wxStrtod (s, &value_ptr);
    if (value_ptr) {
        int len = wxStrlen (value_ptr);
        for (int i = 0; i < len; i++) {
            ok = (wxIsspace (value_ptr[i]) != 0);
            if (!ok) return false;
        }
    }
    return ok;
}

bool wxPropertyValidator::StringToInt (wxChar *s, int *number) {
    long num;
    bool ok = StringToLong (s, &num);
    *number = (int) num;
    return ok;
}

bool wxPropertyValidator::StringToLong (wxChar *s, long *number) {
    bool ok = true;
    wxChar *value_ptr;
    *number = wxStrtol (s, &value_ptr, 10);
    if (value_ptr) {
        int len = wxStrlen (value_ptr);
        for (int i = 0; i < len; i++) {
            ok = (wxIsspace (value_ptr[i]) != 0);
            if (!ok) return false;
        }
    }
    return ok;
}

wxChar *wxPropertyValidator::FloatToString (float number) {
    static wxChar buf[20];
    wxSnprintf (buf, 20, wxT("%.6g"), number);
    return buf;
}

wxChar *wxPropertyValidator::DoubleToString (double number) {
    static wxChar buf[20];
    wxSnprintf (buf, 20, wxT("%.6g"), number);
    return buf;
}

wxChar *wxPropertyValidator::IntToString (int number) {
    static wxChar buf[20];

    wxSprintf (buf, wxT("%d"), number);
    return buf;
}

wxChar *wxPropertyValidator::LongToString (long number) {
    static wxChar buf[20];

    wxSprintf (buf, wxT("%ld"), number);
    return buf;
}

#endif // wxUSE_PROPSHEET