httpform.cxx

pwlib源码库

      if (validValues.GetSize() > 0) {
        PINDEX valid;
        for (valid = 0; valid < validValues.GetSize(); valid++) {
          if (thisValue == validValues[valid])
            break;
        }
        if (valid >= validValues.GetSize()) {
          text.Delete(pos, len);
          selpos = P_MAX_INDEX;
          if (finishAdjust != P_MAX_INDEX)
            finishAdjust -= len;
          if (end != P_MAX_INDEX)
            end -= len;
          len = 0;
        }
      }
      if (selpos != P_MAX_INDEX) {
        selpos += pos;
        PINDEX sellen = 8;
        if (text[selpos-1] == ' ') {
          selpos--;
          sellen++;
        }
        text.Delete(selpos, sellen);
        if (finishAdjust != P_MAX_INDEX)
          finishAdjust -= sellen;
        if (end != P_MAX_INDEX)
          end -= sellen;
        len -= sellen;
      }
    }
  }
}

PString PHTTPField::GetHTMLSelect(const PString & selection) const
{
  PString text = selection;
  PStringList dummy1;
  PINDEX dummy2 = P_MAX_INDEX;
  AdjustSelectOptions(text, 0, P_MAX_INDEX, GetValue(FALSE), dummy1, dummy2);
  return text;
}


void PHTTPField::GetHTMLHeading(PHTML &) const
{
}


static int SplitConfigKey(const PString & fullName,
                          PString & section, PString & key)
{
  if (fullName.IsEmpty())
    return 0;

  PINDEX slash = fullName.FindLast('\\');
  if (slash == 0 || slash >= fullName.GetLength()-1) {
    key = fullName;
    return 1;
  }

  section = fullName.Left(slash);
  key = fullName.Mid(slash+1);
  if (section.IsEmpty() || key.IsEmpty())
    return 0;

  return 2;
}


void PHTTPField::LoadFromConfig(PConfig & cfg)
{
  PString section, key;
  switch (SplitConfigKey(fullName, section, key)) {
    case 1 :
      SetValue(cfg.GetString(key, GetValue(TRUE)));
      break;
    case 2 :
      SetValue(cfg.GetString(section, key, GetValue(TRUE)));
  }
}


void PHTTPField::SaveToConfig(PConfig & cfg) const
{
  PString section, key;
  switch (SplitConfigKey(fullName, section, key)) {
    case 1 :
      cfg.SetString(key, GetValue());
      break;
    case 2 :
      cfg.SetString(section, key, GetValue());
  }
}


BOOL PHTTPField::Validated(const PString &, PStringStream &) const
{
  return TRUE;
}


void PHTTPField::GetAllNames(PStringList & list) const
{
  list.AppendString(fullName);
}


void PHTTPField::SetAllValues(const PStringToString & data)
{
  if (!baseName && data.Contains(fullName))
    SetValue(data[fullName]);
}


BOOL PHTTPField::ValidateAll(const PStringToString & data, PStringStream & msg) const
{
  if (data.Contains(fullName))
    return Validated(data[fullName], msg);
  return TRUE;
}


//////////////////////////////////////////////////////////////////////////////
// PHTTPCompositeField

PHTTPCompositeField::PHTTPCompositeField(const char * nam,
                                         const char * titl,
                                         const char * hlp)
  : PHTTPField(nam, titl, hlp)
{
}


void PHTTPCompositeField::SetName(const PString & newName)
{
  if (fullName.IsEmpty() || newName.IsEmpty())
    return;

  for (PINDEX i = 0; i < fields.GetSize(); i++) {
    PHTTPField & field = fields[i];

    PString firstPartOfName = psprintf(fullName, i+1);
    PString subFieldName;
    if (field.GetName().Find(firstPartOfName) == 0)
      subFieldName = field.GetName().Mid(firstPartOfName.GetLength());
    else
      subFieldName = field.GetName();

    firstPartOfName = psprintf(newName, i+1);
    if (subFieldName[0] == '\\' || firstPartOfName[firstPartOfName.GetLength()-1] == '\\')
      field.SetName(firstPartOfName + subFieldName);
    else
      field.SetName(firstPartOfName & subFieldName);
  }

  PHTTPField::SetName(newName);
}


const PHTTPField * PHTTPCompositeField::LocateName(const PString & name) const
{
  if (fullName == name)
    return this;

  for (PINDEX i = 0; i < fields.GetSize(); i++) {
    const PHTTPField * field = fields[i].LocateName(name);
    if (field != NULL)
      return field;
  }

  return NULL;
}


PHTTPField * PHTTPCompositeField::NewField() const
{
  PHTTPCompositeField * fld = new PHTTPCompositeField(baseName, title, help);
  for (PINDEX i = 0; i < fields.GetSize(); i++)
    fld->Append(fields[i].NewField());
  return fld;
}


void PHTTPCompositeField::GetHTMLTag(PHTML & html) const
{
  for (PINDEX i = 0; i < fields.GetSize(); i++) {
    if (i != 0 && html.Is(PHTML::InTable))
      html << PHTML::TableData("NOWRAP ALIGN=CENTER");
    fields[i].GetHTMLTag(html);
  }
}


PString PHTTPCompositeField::GetHTMLInput(const PString & input) const
{
  return input;
}


void PHTTPCompositeField::ExpandFieldNames(PString & text, PINDEX start, PINDEX & finish) const
{
  static PRegularExpression FieldName( "!--#form[ \t\r\n]+(-?[^-])+[ \t\r\n]+(-?[^-])+--"
                                       "|"
                                       "<[a-z]*[ \t\r\n][^>]*name[ \t\r\n]*=[ \t\r\n]*\"[^\"]*\"[^>]*>",
                                       PRegularExpression::IgnoreCase);

  PString name;
  PINDEX pos, len;
  while (start < finish && FindSpliceFieldName(text, start, pos, len, name)) {
    if (pos > finish)
      break;
    for (PINDEX fld = 0; fld < fields.GetSize(); fld++) {
      if (fields[fld].GetBaseName() *= name) {
        SpliceAdjust(fields[fld].GetName(), text, pos, len, finish);
        break;
      }
    }
    start = pos + len;
  }
}


void PHTTPCompositeField::GetHTMLHeading(PHTML & html) const
{
  html << PHTML::TableRow();
  for (PINDEX i = 0; i < fields.GetSize(); i++)
    html << PHTML::TableHeader() << fields[i].GetTitle();
}


PString PHTTPCompositeField::GetValue(BOOL dflt) const
{
  PStringStream value;
  for (PINDEX i = 0; i < fields.GetSize(); i++)
    value << fields[i].GetValue(dflt) << '\n';
  return value;
}


void PHTTPCompositeField::SetValue(const PString &)
{
  PAssertAlways(PLogicError);
}


void PHTTPCompositeField::LoadFromConfig(PConfig & cfg)
{
  SetName(fullName);
  for (PINDEX i = 0; i < GetSize(); i++)
    fields[i].LoadFromConfig(cfg);
}


void PHTTPCompositeField::SaveToConfig(PConfig & cfg) const
{
  for (PINDEX i = 0; i < GetSize(); i++)
    fields[i].SaveToConfig(cfg);
}


void PHTTPCompositeField::GetAllNames(PStringList & list) const
{
  for (PINDEX i = 0; i < GetSize(); i++)
    fields[i].GetAllNames(list);
}


void PHTTPCompositeField::SetAllValues(const PStringToString & data)
{
  for (PINDEX i = 0; i < fields.GetSize(); i++)
    fields[i].SetAllValues(data);
}


BOOL PHTTPCompositeField::ValidateAll(const PStringToString & data,
                                      PStringStream & msg) const
{
  for (PINDEX i = 0; i < fields.GetSize(); i++)
    if (!fields[i].ValidateAll(data, msg))
      return FALSE;

  return TRUE;
}


PINDEX PHTTPCompositeField::GetSize() const
{
  return fields.GetSize();
}


void PHTTPCompositeField::Append(PHTTPField * fld)
{
  fields.Append(fld);
}


//////////////////////////////////////////////////////////////////////////////
// PHTTPSubForm

PHTTPSubForm::PHTTPSubForm(const PString & subForm,
                           const char * name,
                           const char * title,
                           PINDEX prim,
                           PINDEX sec)
  : PHTTPCompositeField(name, title, NULL),
    subFormName(subForm)
{
  primary = prim;
  secondary = sec;
}


PHTTPField * PHTTPSubForm::NewField() const
{
  PHTTPCompositeField * fld = new PHTTPSubForm(subFormName, baseName, title, primary, secondary);
  for (PINDEX i = 0; i < fields.GetSize(); i++)
    fld->Append(fields[i].NewField());
  return fld;
}


void PHTTPSubForm::GetHTMLTag(PHTML & html) const
{
  PString value = fields[primary].GetValue();
  if (value.IsEmpty())
    value = "New";
  html << PHTML::HotLink(subFormName +
            "?subformprefix=" + PURL::TranslateString(fullName, PURL::QueryTranslation))
       << value << PHTML::HotLink();

  if (secondary != P_MAX_INDEX)
    html << PHTML::TableData("NOWRAP") << fields[secondary].GetValue();
}


void PHTTPSubForm::GetHTMLHeading(PHTML &) const
{
}


//////////////////////////////////////////////////////////////////////////////
// PHTTPFieldArray

PHTTPFieldArray::PHTTPFieldArray(PHTTPField * fld, BOOL ordered, PINDEX fixedSize)
  : PHTTPCompositeField(fld->GetName(), fld->GetTitle(), fld->GetHelp()),
    baseField(fld)
{
  orderedArray = ordered;
  canAddElements = fixedSize == 0;
  SetSize(fixedSize);
}


PHTTPFieldArray::~PHTTPFieldArray()
{
  delete baseField;
}


void PHTTPFieldArray::SetSize(PINDEX newSize)
{
  while (fields.GetSize() > newSize)
    fields.RemoveAt(fields.GetSize()-1);
  while (fields.GetSize() < newSize)
    AddBlankField();
  if (canAddElements)
    AddBlankField();
}


PHTTPField * PHTTPFieldArray::NewField() const
{
  return new PHTTPFieldArray(baseField->NewField(), orderedArray);
}


static const char ArrayControlBox[] = " Array Control";
static const char ArrayControlKeep[] = "Keep";
static const char ArrayControlRemove[] = "Remove";
static const char ArrayControlMoveUp[] = "Move Up";
static const char ArrayControlMoveDown[] = "Move Down";
static const char ArrayControlToTop[] = "To Top";
static const char ArrayControlToBottom[] = "To Bottom";
static const char ArrayControlIgnore[] = "Ignore";
static const char ArrayControlAddTop[] = "Add Top";
static const char ArrayControlAddBottom[] = "Add Bottom";
static const char ArrayControlAdd[] = "Add";

static PStringList GetArrayControlOptions(PINDEX fld, PINDEX size, BOOL orderedArray)
{
  PStringList options;

  if (fld >= size) {
    options.AppendString(ArrayControlIgnore);
    if (size == 0 || !orderedArray)
      options.AppendString(ArrayControlAdd);
    else {
      options.AppendString(ArrayControlAddTop);
      options.AppendString(ArrayControlAddBottom);
    }
  }
  else {
    options.AppendString(ArrayControlKeep);
    options.AppendString(ArrayControlRemove);
    if (orderedArray) {
      if (fld > 0)
        options.AppendString(ArrayControlMoveUp);
      if (fld < size-1)
        options.AppendString(ArrayControlMoveDown);
      if (fld > 0)
        options.AppendString(ArrayControlToTop);
      if (fld < size-1)
        options.AppendString(ArrayControlToBottom);
    }
  }

  return options;
}

void PHTTPFieldArray::AddArrayControlBox(PHTML & html, PINDEX fld) const
{
  PStringList options = GetArrayControlOptions(fld, fields.GetSize()-1, orderedArray);
  html << PHTML::Select(fields[fld].GetName() + ArrayControlBox);
  for (PINDEX i = 0; i < options.GetSize(); i++)
    html << PHTML::Option(i == 0 ? PHTML::Selected : PHTML::NotSelected) << options[i];
  html << PHTML::Select();
}


void PHTTPFieldArray::GetHTMLTag(PHTML & html) const
{
  html << PHTML::TableStart("border=1 cellspacing=0 cellpadding=8");
  baseField->GetHTMLHeading(html);
  for (PINDEX i = 0; i < fields.GetSize(); i++) {
    html << PHTML::TableRow() << PHTML::TableData("NOWRAP");
    fields[i].GetHTMLTag(html);
    html << PHTML::TableData("NOWRAP");
    if (canAddElements)
      AddArrayControlBox(html, i);
  }
  html << PHTML::TableEnd();
}