diff options
Diffstat (limited to 'xfa/fxfa/parser/cxfa_layoutitem.cpp')
| -rw-r--r-- | xfa/fxfa/parser/cxfa_layoutitem.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/cxfa_layoutitem.cpp b/xfa/fxfa/parser/cxfa_layoutitem.cpp index 264fe4e1b6..55aa285e2d 100644 --- a/xfa/fxfa/parser/cxfa_layoutitem.cpp +++ b/xfa/fxfa/parser/cxfa_layoutitem.cpp @@ -9,6 +9,7 @@ #include "xfa/fxfa/app/xfa_ffnotify.h" #include "xfa/fxfa/parser/cxfa_containerlayoutitem.h" #include "xfa/fxfa/parser/cxfa_contentlayoutitem.h" +#include "xfa/fxfa/parser/cxfa_measurement.h" void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem) { CXFA_LayoutItem* pNode = pLayoutItem->m_pFirstChild; @@ -45,7 +46,179 @@ CXFA_ContainerLayoutItem* CXFA_LayoutItem::AsContainerLayoutItem() { return IsContainerLayoutItem() ? static_cast<CXFA_ContainerLayoutItem*>(this) : nullptr; } + CXFA_ContentLayoutItem* CXFA_LayoutItem::AsContentLayoutItem() { return IsContentLayoutItem() ? static_cast<CXFA_ContentLayoutItem*>(this) : nullptr; } + +CXFA_ContainerLayoutItem* CXFA_LayoutItem::GetPage() const { + for (CXFA_LayoutItem* pCurNode = const_cast<CXFA_LayoutItem*>(this); pCurNode; + pCurNode = pCurNode->m_pParent) { + if (pCurNode->m_pFormNode->GetElementType() == XFA_Element::PageArea) + return static_cast<CXFA_ContainerLayoutItem*>(pCurNode); + } + return nullptr; +} + +void CXFA_LayoutItem::GetRect(CFX_RectF& rtLayout, bool bRelative) const { + ASSERT(m_bIsContentLayoutItem); + + const CXFA_ContentLayoutItem* pThis = + static_cast<const CXFA_ContentLayoutItem*>(this); + CFX_PointF sPos = pThis->m_sPos; + CFX_SizeF sSize = pThis->m_sSize; + if (bRelative) { + rtLayout.Set(sPos.x, sPos.y, sSize.x, sSize.y); + return; + } + + for (CXFA_LayoutItem* pLayoutItem = pThis->m_pParent; pLayoutItem; + pLayoutItem = pLayoutItem->m_pParent) { + if (CXFA_ContentLayoutItem* pContent = pLayoutItem->AsContentLayoutItem()) { + sPos += pContent->m_sPos; + CXFA_Node* pMarginNode = + pLayoutItem->m_pFormNode->GetFirstChildByClass(XFA_Element::Margin); + if (pMarginNode) { + sPos += CFX_PointF(pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset) + .ToUnit(XFA_UNIT_Pt), + pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset) + .ToUnit(XFA_UNIT_Pt)); + } + continue; + } + + if (pLayoutItem->m_pFormNode->GetElementType() == + XFA_Element::ContentArea) { + sPos += CFX_PointF(pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_X) + .ToUnit(XFA_UNIT_Pt), + pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_Y) + .ToUnit(XFA_UNIT_Pt)); + break; + } + if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageArea) + break; + } + + rtLayout.Set(sPos.x, sPos.y, sSize.x, sSize.y); +} + +CXFA_LayoutItem* CXFA_LayoutItem::GetFirst() { + ASSERT(m_bIsContentLayoutItem); + CXFA_ContentLayoutItem* pCurNode = static_cast<CXFA_ContentLayoutItem*>(this); + while (pCurNode->m_pPrev) + pCurNode = pCurNode->m_pPrev; + + return pCurNode; +} + +const CXFA_LayoutItem* CXFA_LayoutItem::GetLast() const { + ASSERT(m_bIsContentLayoutItem); + const CXFA_ContentLayoutItem* pCurNode = + static_cast<const CXFA_ContentLayoutItem*>(this); + while (pCurNode->m_pNext) + pCurNode = pCurNode->m_pNext; + + return pCurNode; +} + +CXFA_LayoutItem* CXFA_LayoutItem::GetPrev() const { + ASSERT(m_bIsContentLayoutItem); + + return static_cast<const CXFA_ContentLayoutItem*>(this)->m_pPrev; +} + +CXFA_LayoutItem* CXFA_LayoutItem::GetNext() const { + ASSERT(m_bIsContentLayoutItem); + return static_cast<const CXFA_ContentLayoutItem*>(this)->m_pNext; +} + +int32_t CXFA_LayoutItem::GetIndex() const { + ASSERT(m_bIsContentLayoutItem); + int32_t iIndex = 0; + const CXFA_ContentLayoutItem* pCurNode = + static_cast<const CXFA_ContentLayoutItem*>(this); + while (pCurNode->m_pPrev) { + pCurNode = pCurNode->m_pPrev; + ++iIndex; + } + return iIndex; +} + +int32_t CXFA_LayoutItem::GetCount() const { + ASSERT(m_bIsContentLayoutItem); + + int32_t iCount = GetIndex() + 1; + const CXFA_ContentLayoutItem* pCurNode = + static_cast<const CXFA_ContentLayoutItem*>(this); + while (pCurNode->m_pNext) { + pCurNode = pCurNode->m_pNext; + iCount++; + } + return iCount; +} + +void CXFA_LayoutItem::AddChild(CXFA_LayoutItem* pChildItem) { + if (pChildItem->m_pParent) + pChildItem->m_pParent->RemoveChild(pChildItem); + + pChildItem->m_pParent = this; + if (!m_pFirstChild) { + m_pFirstChild = pChildItem; + return; + } + + CXFA_LayoutItem* pExistingChildItem = m_pFirstChild; + while (pExistingChildItem->m_pNextSibling) + pExistingChildItem = pExistingChildItem->m_pNextSibling; + + pExistingChildItem->m_pNextSibling = pChildItem; +} + +void CXFA_LayoutItem::AddHeadChild(CXFA_LayoutItem* pChildItem) { + if (pChildItem->m_pParent) + pChildItem->m_pParent->RemoveChild(pChildItem); + + pChildItem->m_pParent = this; + if (!m_pFirstChild) { + m_pFirstChild = pChildItem; + return; + } + + CXFA_LayoutItem* pExistingChildItem = m_pFirstChild; + m_pFirstChild = pChildItem; + m_pFirstChild->m_pNextSibling = pExistingChildItem; +} + +void CXFA_LayoutItem::InsertChild(CXFA_LayoutItem* pBeforeItem, + CXFA_LayoutItem* pChildItem) { + if (pBeforeItem->m_pParent != this) + return; + if (pChildItem->m_pParent) + pChildItem->m_pParent = nullptr; + + pChildItem->m_pParent = this; + + CXFA_LayoutItem* pExistingChildItem = pBeforeItem->m_pNextSibling; + pBeforeItem->m_pNextSibling = pChildItem; + pChildItem->m_pNextSibling = pExistingChildItem; +} + +void CXFA_LayoutItem::RemoveChild(CXFA_LayoutItem* pChildItem) { + if (pChildItem->m_pParent != this) + return; + + if (m_pFirstChild == pChildItem) { + m_pFirstChild = pChildItem->m_pNextSibling; + } else { + CXFA_LayoutItem* pExistingChildItem = m_pFirstChild; + while (pExistingChildItem && + pExistingChildItem->m_pNextSibling != pChildItem) { + pExistingChildItem = pExistingChildItem->m_pNextSibling; + } + if (pExistingChildItem) + pExistingChildItem->m_pNextSibling = pChildItem->m_pNextSibling; + } + pChildItem->m_pNextSibling = nullptr; + pChildItem->m_pParent = nullptr; +} |