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::OnChildRemoved() {
CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
if (!pDocView)
return;
bool bLayoutReady =
!(pDocView->m_bInLayoutStatus) &&
(pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End);
if (bLayoutReady)
m_pDoc->GetDocProvider()->SetChangeMark(m_pDoc);
}
void CXFA_FFNotify::OnChildAdded(CXFA_Node* pSender) {
if (!pSender->IsFormContainer()) {
return;
}
CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
if (!pDocView) {
return;
}
FX_BOOL bLayoutReady =
!(pDocView->m_bInLayoutStatus) &&
(pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End);
if (bLayoutReady)
m_pDoc->GetDocProvider()->SetChangeMark(m_pDoc);
}
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);
}
int32_t CXFA_FFNotify::GetLayoutStatus() {
CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
return pDocView ? pDocView->GetLayoutStatus() : 0;
}
