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// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fxjs/xfa/cjx_field.h"
#include <vector>
#include "fxjs/cfx_v8.h"
#include "fxjs/fxv8.h"
#include "fxjs/js_resources.h"
#include "third_party/base/numerics/safe_conversions.h"
#include "v8/include/v8-primitive.h"
#include "xfa/fgas/crt/cfgas_decimal.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/cxfa_ffnotify.h"
#include "xfa/fxfa/fxfa.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/cxfa_field.h"
#include "xfa/fxfa/parser/cxfa_value.h"
const CJX_MethodSpec CJX_Field::MethodSpecs[] = {
{"addItem", addItem_static},
{"boundItem", boundItem_static},
{"clearItems", clearItems_static},
{"deleteItem", deleteItem_static},
{"execCalculate", execCalculate_static},
{"execEvent", execEvent_static},
{"execInitialize", execInitialize_static},
{"execValidate", execValidate_static},
{"getDisplayItem", getDisplayItem_static},
{"getItemState", getItemState_static},
{"getSaveItem", getSaveItem_static},
{"setItemState", setItemState_static}};
CJX_Field::CJX_Field(CXFA_Field* field) : CJX_Container(field) {
DefineMethods(MethodSpecs);
}
CJX_Field::~CJX_Field() = default;
bool CJX_Field::DynamicTypeIs(TypeTag eType) const {
return eType == static_type__ || ParentType__::DynamicTypeIs(eType);
}
CJS_Result CJX_Field::clearItems(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
CXFA_Node* node = GetXFANode();
if (node->IsWidgetReady())
node->DeleteItem(-1, true, false);
return CJS_Result::Success();
}
CJS_Result CJX_Field::execEvent(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
WideString eventString = runtime->ToWideString(params[0]);
XFA_EventError iRet =
execSingleEventByName(eventString.AsStringView(), XFA_Element::Field);
if (!eventString.EqualsASCII("validate"))
return CJS_Result::Success();
return CJS_Result::Success(
runtime->NewBoolean(iRet != XFA_EventError::kError));
}
CJS_Result CJX_Field::execInitialize(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!params.empty())
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (pNotify) {
pNotify->ExecEventByDeepFirst(GetXFANode(), XFA_EVENT_Initialize, false,
false);
}
return CJS_Result::Success();
}
CJS_Result CJX_Field::deleteItem(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success();
bool bValue = node->DeleteItem(runtime->ToInt32(params[0]), true, true);
return CJS_Result::Success(runtime->NewBoolean(bValue));
}
CJS_Result CJX_Field::getSaveItem(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
int32_t iIndex = runtime->ToInt32(params[0]);
if (iIndex < 0)
return CJS_Result::Success(runtime->NewNull());
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success(runtime->NewNull());
absl::optional<WideString> value = node->GetChoiceListItem(iIndex, true);
if (!value.has_value())
return CJS_Result::Success(runtime->NewNull());
return CJS_Result::Success(
runtime->NewString(value->ToUTF8().AsStringView()));
}
CJS_Result CJX_Field::boundItem(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success();
WideString value = runtime->ToWideString(params[0]);
WideString boundValue = node->GetItemValue(value.AsStringView());
return CJS_Result::Success(
runtime->NewString(boundValue.ToUTF8().AsStringView()));
}
CJS_Result CJX_Field::getItemState(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success();
int32_t state = node->GetItemState(runtime->ToInt32(params[0]));
return CJS_Result::Success(runtime->NewBoolean(state != 0));
}
CJS_Result CJX_Field::execCalculate(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!params.empty())
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (pNotify) {
pNotify->ExecEventByDeepFirst(GetXFANode(), XFA_EVENT_Calculate, false,
false);
}
return CJS_Result::Success();
}
CJS_Result CJX_Field::getDisplayItem(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1)
return CJS_Result::Failure(JSMessage::kParamError);
int32_t iIndex = runtime->ToInt32(params[0]);
if (iIndex < 0)
return CJS_Result::Success(runtime->NewNull());
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success(runtime->NewNull());
absl::optional<WideString> value = node->GetChoiceListItem(iIndex, false);
if (!value.has_value())
return CJS_Result::Success(runtime->NewNull());
return CJS_Result::Success(
runtime->NewString(value->ToUTF8().AsStringView()));
}
CJS_Result CJX_Field::setItemState(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 2)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success();
int32_t iIndex = runtime->ToInt32(params[0]);
if (runtime->ToInt32(params[1]) != 0) {
node->SetItemState(iIndex, true, true, true);
return CJS_Result::Success();
}
if (node->GetItemState(iIndex))
node->SetItemState(iIndex, false, true, true);
return CJS_Result::Success();
}
CJS_Result CJX_Field::addItem(CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (params.size() != 1 && params.size() != 2)
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return CJS_Result::Success();
WideString label;
if (params.size() >= 1)
label = runtime->ToWideString(params[0]);
WideString value;
if (params.size() >= 2)
value = runtime->ToWideString(params[1]);
node->InsertItem(label, value, true);
return CJS_Result::Success();
}
CJS_Result CJX_Field::execValidate(
CFXJSE_Engine* runtime,
const std::vector<v8::Local<v8::Value>>& params) {
if (!params.empty())
return CJS_Result::Failure(JSMessage::kParamError);
CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
if (!pNotify)
return CJS_Result::Success(runtime->NewBoolean(false));
XFA_EventError iRet = pNotify->ExecEventByDeepFirst(
GetXFANode(), XFA_EVENT_Validate, false, false);
return CJS_Result::Success(
runtime->NewBoolean(iRet != XFA_EventError::kError));
}
void CJX_Field::defaultValue(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_Node* xfaNode = GetXFANode();
if (!xfaNode->IsWidgetReady())
return;
if (bSetting) {
if (pValue) {
xfaNode->SetPreNull(xfaNode->IsNull());
xfaNode->SetIsNull(fxv8::IsNull(*pValue));
}
WideString wsNewText;
if (pValue && !(fxv8::IsNull(*pValue) || fxv8::IsUndefined(*pValue)))
wsNewText = fxv8::ReentrantToWideStringHelper(pIsolate, *pValue);
if (xfaNode->GetUIChildNode()->GetElementType() == XFA_Element::NumericEdit)
wsNewText = xfaNode->NumericLimit(wsNewText);
CXFA_Node* pContainerNode = xfaNode->GetContainerNode();
WideString wsFormatText(wsNewText);
if (pContainerNode)
wsFormatText = pContainerNode->GetFormatDataValue(wsNewText);
SetContent(wsNewText, wsFormatText, true, true, true);
return;
}
WideString content = GetContent(true);
if (content.IsEmpty()) {
*pValue = fxv8::NewNullHelper(pIsolate);
return;
}
CXFA_Node* formValue = xfaNode->GetFormValueIfExists();
CXFA_Node* pNode = formValue ? formValue->GetFirstChild() : nullptr;
if (pNode && pNode->GetElementType() == XFA_Element::Decimal) {
if (xfaNode->GetUIChildNode()->GetElementType() ==
XFA_Element::NumericEdit &&
(pNode->JSObject()->GetInteger(XFA_Attribute::FracDigits) == -1)) {
*pValue =
fxv8::NewStringHelper(pIsolate, content.ToUTF8().AsStringView());
} else {
CFGAS_Decimal decimal(content.AsStringView());
*pValue = fxv8::NewNumberHelper(pIsolate, decimal.ToFloat());
}
} else if (pNode && pNode->GetElementType() == XFA_Element::Integer) {
*pValue = fxv8::NewNumberHelper(pIsolate, FXSYS_wtoi(content.c_str()));
} else if (pNode && pNode->GetElementType() == XFA_Element::Boolean) {
*pValue =
fxv8::NewBooleanHelper(pIsolate, FXSYS_wtoi(content.c_str()) != 0);
} else if (pNode && pNode->GetElementType() == XFA_Element::Float) {
CFGAS_Decimal decimal(content.AsStringView());
*pValue = fxv8::NewNumberHelper(pIsolate, decimal.ToFloat());
} else {
*pValue = fxv8::NewStringHelper(pIsolate, content.ToUTF8().AsStringView());
}
}
void CJX_Field::editValue(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return;
if (bSetting) {
node->SetValue(XFA_ValuePicture::kEdit,
fxv8::ReentrantToWideStringHelper(pIsolate, *pValue));
return;
}
*pValue = fxv8::NewStringHelper(
pIsolate,
node->GetValue(XFA_ValuePicture::kEdit).ToUTF8().AsStringView());
}
void CJX_Field::formatMessage(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
ScriptSomMessage(pIsolate, pValue, bSetting, SOMMessageType::kFormatMessage);
}
void CJX_Field::formattedValue(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return;
if (bSetting) {
node->SetValue(XFA_ValuePicture::kDisplay,
fxv8::ReentrantToWideStringHelper(pIsolate, *pValue));
return;
}
*pValue = fxv8::NewStringHelper(
pIsolate,
node->GetValue(XFA_ValuePicture::kDisplay).ToUTF8().AsStringView());
}
void CJX_Field::length(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (bSetting) {
ThrowInvalidPropertyException(pIsolate);
return;
}
CXFA_Node* node = GetXFANode();
*pValue = fxv8::NewNumberHelper(
pIsolate, node->IsWidgetReady() ? pdfium::base::checked_cast<int>(
node->CountChoiceListItems(true))
: 0);
}
void CJX_Field::parentSubform(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
if (bSetting) {
ThrowInvalidPropertyException(pIsolate);
return;
}
*pValue = fxv8::NewNullHelper(pIsolate);
}
void CJX_Field::selectedIndex(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
CXFA_Node* node = GetXFANode();
if (!node->IsWidgetReady())
return;
if (!bSetting) {
*pValue = fxv8::NewNumberHelper(pIsolate, node->GetSelectedItem(0));
return;
}
int32_t iIndex = fxv8::ReentrantToInt32Helper(pIsolate, *pValue);
if (iIndex == -1) {
node->ClearAllSelections();
return;
}
node->SetItemState(iIndex, true, true, true);
}
void CJX_Field::rawValue(v8::Isolate* pIsolate,
v8::Local<v8::Value>* pValue,
bool bSetting,
XFA_Attribute eAttribute) {
defaultValue(pIsolate, pValue, bSetting, eAttribute);
}