void CXFA_FFNotify::OnValueChanging(CXFA_Node* pSender, XFA_ATTRIBUTE eAttr) {
if (eAttr != XFA_ATTRIBUTE_Presence)
return;
if (pSender->GetPacketID() & XFA_XDPPACKET_Datasets)
return;
if (!pSender->IsFormContainer())
return;
CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
if (!pDocView)
return;
if (pDocView->GetLayoutStatus() < XFA_DOCVIEW_LAYOUTSTATUS_End)
return;
CXFA_WidgetAcc* pWidgetAcc =
static_cast<CXFA_WidgetAcc*>(pSender->GetWidgetData());
if (!pWidgetAcc)
return;
CXFA_FFWidget* pWidget = nullptr;
while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) {
if (pWidget->IsLoaded())
pWidget->AddInvalidateRect();
}
}
void CXFA_FFNotify::OnLayoutItemRemoving(CXFA_LayoutProcessor* pLayout,
CXFA_LayoutItem* pSender) {
CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout);
if (!pDocView)
return;
CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pSender);
if (!pWidget)
return;
pDocView->DeleteLayoutItem(pWidget);
m_pDoc->GetDocProvider()->WidgetPreRemove(pWidget, pWidget->GetDataAcc());
pWidget->AddInvalidateRect(nullptr);
}
void CXFA_FFNotify::OnLayoutItemAdded(CXFA_LayoutProcessor* pLayout,
CXFA_LayoutItem* pSender,
int32_t iPageIdx,
uint32_t dwStatus) {
CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout);
if (!pDocView)
return;
CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pSender);
if (!pWidget)
return;
CXFA_FFPageView* pNewPageView = pDocView->GetPageView(iPageIdx);
uint32_t dwFilter = XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable |
XFA_WidgetStatus_Printable;
pWidget->ModifyStatus(dwStatus, dwFilter);
CXFA_FFPageView* pPrePageView = pWidget->GetPageView();
if (pPrePageView != pNewPageView ||
(dwStatus & (XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)) ==
(XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)) {
pWidget->SetPageView(pNewPageView);
m_pDoc->GetDocProvider()->WidgetPostAdd(pWidget, pWidget->GetDataAcc());
}
if (pDocView->GetLayoutStatus() != XFA_DOCVIEW_LAYOUTSTATUS_End ||
!(dwStatus & XFA_WidgetStatus_Visible)) {
return;
}
if (pWidget->IsLoaded()) {
CFX_RectF rtOld;
pWidget->GetWidgetRect(rtOld);
if (rtOld != pWidget->ReCacheWidgetRect())
pWidget->PerformLayout();
} else {
pWidget->LoadWidget();
}
pWidget->AddInvalidateRect(nullptr);
}
void CXFA_FFNotify::OnValueChanged(CXFA_Node* pSender,
XFA_ATTRIBUTE eAttr,
CXFA_Node* pParentNode,
CXFA_Node* pWidgetNode) {
CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
if (!pDocView)
return;
if (!(pSender->GetPacketID() & XFA_XDPPACKET_Form)) {
if (eAttr == XFA_ATTRIBUTE_Value)
pDocView->AddCalculateNodeNotify(pSender);
return;
}
XFA_Element eType = pParentNode->GetElementType();
FX_BOOL bIsContainerNode = pParentNode->IsContainerNode();
CXFA_WidgetAcc* pWidgetAcc =
static_cast<CXFA_WidgetAcc*>(pWidgetNode->GetWidgetData());
if (!pWidgetAcc)
return;
bool bUpdateProperty = false;
pDocView->SetChangeMark();
switch (eType) {
case XFA_Element::Caption: {
CXFA_TextLayout* pCapOut = pWidgetAcc->GetCaptionTextLayout();
if (!pCapOut)
return;
pCapOut->Unload();
} break;
case XFA_Element::Ui:
case XFA_Element::Para:
bUpdateProperty = true;
break;
default:
break;
}
if (bIsContainerNode && eAttr == XFA_ATTRIBUTE_Access)
bUpdateProperty = true;
if (eAttr == XFA_ATTRIBUTE_Value) {
pDocView->AddCalculateNodeNotify(pSender);
if (eType == XFA_Element::Value || bIsContainerNode) {
if (bIsContainerNode) {
pWidgetAcc->UpdateUIDisplay();
pDocView->AddCalculateWidgetAcc(pWidgetAcc);
pDocView->AddValidateWidget(pWidgetAcc);
} else if (pWidgetNode->GetNodeItem(XFA_NODEITEM_Parent)
->GetElementType() == XFA_Element::ExclGroup) {
pWidgetAcc->UpdateUIDisplay();
}
return;
}
}
CXFA_FFWidget* pWidget = nullptr;
while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) {
if (!pWidget->IsLoaded())
continue;
if (bUpdateProperty)
pWidget->UpdateWidgetProperty();
pWidget->PerformLayout();
pWidget->AddInvalidateRect();
}
}
