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FBEview.cpp
4214 lines (3645 loc) · 102 KB
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FBEview.cpp
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// FBEView.cpp : implementation of the CFBEView class
//
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "res1.h"
#include "utils.h"
#include "apputils.h"
#include "FBEView.h"
#include "SearchReplace.h"
#include "Scintilla.h"
#include "ElementDescMnr.h"
extern CElementDescMnr _EDMnr;
// normalization helpers
static void PackText(MSHTML::IHTMLElement2Ptr elem,MSHTML::IHTMLDocument2 *doc);
static void KillDivs(MSHTML::IHTMLElement2Ptr elem);
static void FixupParagraphs(MSHTML::IHTMLElement2Ptr elem);
static void RelocateParagraphs(MSHTML::IHTMLDOMNode *node);
static void KillStyles(MSHTML::IHTMLElement2Ptr elem);
_ATL_FUNC_INFO CFBEView::DocumentCompleteInfo=
{ CC_STDCALL, VT_EMPTY, 2, { VT_DISPATCH, (VT_BYREF | VT_VARIANT) } };
_ATL_FUNC_INFO CFBEView::BeforeNavigateInfo=
{ CC_STDCALL, VT_EMPTY, 7, {
VT_DISPATCH,
(VT_BYREF | VT_VARIANT),
(VT_BYREF | VT_VARIANT),
(VT_BYREF | VT_VARIANT),
(VT_BYREF | VT_VARIANT),
(VT_BYREF | VT_VARIANT),
(VT_BYREF | VT_BOOL),
}
};
_ATL_FUNC_INFO CFBEView::VoidInfo=
{ CC_STDCALL, VT_EMPTY, 0 };
_ATL_FUNC_INFO CFBEView::EventInfo=
{ CC_STDCALL, VT_BOOL, 1, { VT_DISPATCH } };
_ATL_FUNC_INFO CFBEView::VoidEventInfo=
{ CC_STDCALL, VT_EMPTY, 1, { VT_DISPATCH } };
LRESULT CFBEView::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
if (DefWindowProc(uMsg,wParam,lParam))
return 1;
if (!SUCCEEDED(QueryControl(&m_browser)))
return 1;
// register browser events handler
BrowserEvents::DispEventAdvise(m_browser,&DIID_DWebBrowserEvents2);
return 0;
}
CFBEView::~CFBEView()
{
if(HasDoc())
{
DocumentEvents::DispEventUnadvise(Document(), &DIID_HTMLDocumentEvents2);
TextEvents::DispEventUnadvise(Document()->body, &DIID_HTMLTextContainerEvents2);
m_mkc->UnRegisterForDirtyRange(m_dirtyRangeCookie);
}
if(m_browser)
BrowserEvents::DispEventUnadvise(m_browser, &DIID_DWebBrowserEvents2);
if(m_find_dlg)
{
CloseFindDialog(m_find_dlg);
delete m_find_dlg;
}
}
BOOL CFBEView::PreTranslateMessage(MSG* pMsg)
{
return SendMessage(WM_FORWARDMSG,0,(LPARAM)pMsg)!=0;
}
// editing commands
LRESULT CFBEView::ExecCommand(int cmd) {
IOleCommandTargetPtr ct(m_browser);
if (ct)
ct->Exec(&CGID_MSHTML,cmd,0,NULL,NULL);
return 0;
}
void CFBEView::QueryStatus(OLECMD *cmd,int ncmd) {
IOleCommandTargetPtr ct(m_browser);
if (ct)
ct->QueryStatus(&CGID_MSHTML,ncmd,cmd,NULL);
}
CString CFBEView::QueryCmdText(int cmd) {
IOleCommandTargetPtr ct(m_browser);
if (ct) {
OLECMD oc={cmd};
struct {
OLECMDTEXT oct;
wchar_t buffer[512];
} oct={ { OLECMDTEXTF_NAME, 0, 512 } };
if (SUCCEEDED(ct->QueryStatus(&CGID_MSHTML,1,&oc,&oct.oct)))
return oct.oct.rgwz;
}
return CString();
}
LRESULT CFBEView::OnStyleLink(WORD, WORD, HWND, BOOL&) {
try {
if (Document()->execCommand(L"CreateLink",VARIANT_FALSE,_variant_t(L""))==VARIANT_TRUE)
{
::SendMessage(m_frame,WM_COMMAND,MAKELONG(0,IDN_SEL_CHANGE),(LPARAM)m_hWnd);
::SendMessage(m_frame,WM_COMMAND,MAKELONG(IDC_HREF,IDN_WANTFOCUS),(LPARAM)m_hWnd);
}
}
catch (_com_error&) { }
return 0;
}
LRESULT CFBEView::OnStyleFootnote(WORD, WORD, HWND, BOOL&) {
try {
m_mk_srv->BeginUndoUnit(L"Create Footnote");
if (Document()->execCommand(L"CreateLink",VARIANT_FALSE,_variant_t(L""))==VARIANT_TRUE) {
MSHTML::IHTMLTxtRangePtr r(Document()->selection->createRange());
MSHTML::IHTMLElementPtr pe(r->parentElement());
if (U::scmp(pe->tagName,L"A")==0)
pe->className=L"note";
}
m_mk_srv->EndUndoUnit();
::SendMessage(m_frame,WM_COMMAND,MAKELONG(0,IDN_SEL_CHANGE),(LPARAM)m_hWnd);
::SendMessage(m_frame,WM_COMMAND,MAKELONG(IDC_HREF,IDN_WANTFOCUS),(LPARAM)m_hWnd);
}
catch (_com_error&) { }
return 0;
}
bool CFBEView::CheckCommand(WORD wID)
{
if (!m_normalize)
return false;
switch (wID) {
case ID_EDIT_ADD_BODY:
return true;
case ID_EDIT_ADD_TITLE:
return bCall(L"AddTitle",SelectionStructCon());
case ID_EDIT_CLONE:
return bCall(L"CloneContainer",SelectionStructCon());
case ID_STYLE_NORMAL:
return bCall(L"StyleNormal",SelectionStructCon());
case ID_STYLE_SUBTITLE:
return bCall(L"StyleSubtitle",SelectionStructCon());
case ID_STYLE_TEXTAUTHOR:
return bCall(L"StyleTextAuthor",SelectionStructCon());
case ID_EDIT_INS_IMAGE:
return bCall(L"InsImage") && !SelectionStructCode() && !SelectionHasTags(L"SPAN");
case ID_EDIT_INS_INLINEIMAGE:
return bCall(L"InsInlineImage");
case ID_EDIT_ADD_IMAGE:
return bCall(L"AddImage", SelectionStructCon()) && !SelectionStructCode() && !SelectionHasTags(L"SPAN");
case ID_EDIT_ADD_EPIGRAPH:
return bCall(L"AddEpigraph",SelectionStructCon());
case ID_EDIT_ADD_ANN:
return bCall(L"AddAnnotation",SelectionStructCon());
case ID_EDIT_SPLIT:
return SplitContainer(true);
case ID_EDIT_INS_POEM:
return InsertPoem(true);
case ID_EDIT_INS_CITE:
return InsertCite(true);
case ID_EDIT_CODE:
{
_variant_t params[3] =
{
Document()->selection->createRange().GetInterfacePtr(),
SelectionStructCon().GetInterfacePtr(),
true
};
return bCall(L"StyleCode", 3, params);
}
case ID_INSERT_TABLE:
return InsertTable(true);
case ID_GOTO_FOOTNOTE:
return (GoToFootnote(true) | GoToReference(true));
case ID_GOTO_REFERENCE:
return GoToReference(true);
case ID_EDIT_ADD_TA:
return bCall(L"AddTA",SelectionStructCon());
case ID_EDIT_MERGE:
return bCall(L"MergeContainers",SelectionStructCon());
case ID_EDIT_REMOVE_OUTER_SECTION:
return bCall(L"RemoveOuterContainer",SelectionStructCon());
case ID_STYLE_LINK:
case ID_STYLE_NOTE:
try {
return Document()->queryCommandEnabled(L"CreateLink")==VARIANT_TRUE;
}
catch (_com_error) { }
break;
}
return false;
}
bool CFBEView::CheckSetCommand(WORD wID) {
if (!m_normalize)
return false;
switch (wID)
{
case ID_EDIT_CODE:
return bCall(L"IsCode", SelectionStructCode());
}
return false;
}
// changes tracking
MSHTML::IHTMLDOMNodePtr CFBEView::GetChangedNode() {
MSHTML::IMarkupPointerPtr p1,p2;
m_mk_srv->CreateMarkupPointer(&p1);
m_mk_srv->CreateMarkupPointer(&p2);
m_mkc->GetAndClearDirtyRange(m_dirtyRangeCookie,p1,p2);
MSHTML::IHTMLElementPtr e1,e2;
p1->CurrentScope(&e1);
p2->CurrentScope(&e2);
p1.Release();
p2.Release();
while ((bool)e1 && e1!=e2 && e1->contains(e2)!=VARIANT_TRUE)
e1=e1->parentElement;
return e1;
}
static bool IsEmptyNode(MSHTML::IHTMLDOMNode *node) {
if (node->nodeType!=1)
return false;
_bstr_t name(node->nodeName);
if (U::scmp(name,L"BR")==0)
return false;
if (U::scmp(name,L"P")==0) // the editor uses empty Ps to represent empty lines
return false;
/* if (U::scmp(name,L"EM")==0) // конвертеры иногда обрамляют пробелы тегами <emphasis> и <strong>
return false;
if (U::scmp(name,L"STRONG")==0) // конвертеры иногда обрамляют пробелы тегами <emphasis> и <strong>
return false;*/
// images are always empty
if (U::scmp(name,L"DIV")==0 && U::scmp(MSHTML::IHTMLElementPtr(node)->className,L"image")==0)
return false;
if (U::scmp(name,L"IMG")==0)
return false;
if (node->hasChildNodes()==VARIANT_FALSE)
return true;
if (U::scmp(name,L"A")==0) // links can be meaningful even if the contain only ws
return false;
if ((bool)node->firstChild->nextSibling)
return false;
if (node->firstChild->nodeType!=3)
return false;
if (U::is_whitespace(node->firstChild->nodeValue.bstrVal))
return true;
return false;
}
// Remove empty leaf nodes
static void RemoveEmptyNodes(MSHTML::IHTMLDOMNode *node) {
if (node->nodeType!=1)
return;
MSHTML::IHTMLDOMNodePtr cur(node->firstChild);
while (cur)
{
MSHTML::IHTMLDOMNodePtr next;
try { next = cur->nextSibling; } catch(...) { return; }
RemoveEmptyNodes(cur);
if(IsEmptyNode(cur))
cur->removeNode(VARIANT_TRUE);
cur=next;
}
}
// Find parent DIV
static MSHTML::IHTMLElementPtr GetHP(MSHTML::IHTMLElementPtr hp)
{
while((bool)hp && U::scmp(hp->tagName,L"DIV"))
hp = hp->parentElement;
return hp;
}
// Splitting
bool CFBEView::SplitContainer(bool fCheck)
{
try
{
MSHTML::IHTMLTxtRangePtr rng(Document()->selection->createRange());
if(!(bool)rng)
return false;
MSHTML::IHTMLElementPtr pe(rng->parentElement());
while((bool)pe && U::scmp(pe->tagName, L"DIV"))
pe = pe->parentElement;
if(!(bool)pe || (U::scmp(pe->className, L"section") && U::scmp(pe->className, L"stanza")))
return false;
MSHTML::IHTMLTxtRangePtr r2(rng->duplicate());
r2->moveToElementText(pe);
if(rng->compareEndPoints(L"StartToStart", r2) == 0)
return false;
MSHTML::IHTMLTxtRangePtr r3(rng->duplicate());
r3->collapse(true);
MSHTML::IHTMLTxtRangePtr r4(rng->duplicate());
r4->collapse(false);
if(!(bool)pe || GetHP(r3->parentElement()) != pe || GetHP(r4->parentElement()) != pe)
return false;
if(fCheck)
return true;
// At this point we are ready to split
// Create an undo unit
CString name(L"split ");
name += (const wchar_t*)pe->className;
m_mk_srv->BeginUndoUnit((TCHAR*)(const TCHAR*)name);
//// Create a new element
MSHTML::IHTMLElementPtr ne(Document()->createElement(L"DIV"));
ne->className = pe->className;
_bstr_t className = pe->className;
// SeNS: issue #153
_bstr_t id = pe->id;
pe->id = L"";
MSHTML::IHTMLElementPtr peTitle(Document()->createElement(L"DIV"));
MSHTML::IHTMLElementCollectionPtr peColl = pe->children;
{
MSHTML::IHTMLElementPtr peChild = peColl->item(0);
if(!U::scmp(peChild->tagName, L"DIV") && !U::scmp(peChild->className, L"title"))
peTitle->innerHTML = peChild->outerHTML;
else
peTitle = NULL;
}
// Create and position markup pointers
MSHTML::IMarkupPointerPtr selstart, selend, elembeg, elemend;
m_mk_srv->CreateMarkupPointer(&selstart);
m_mk_srv->CreateMarkupPointer(&selend);
m_mk_srv->CreateMarkupPointer(&elembeg);
m_mk_srv->CreateMarkupPointer(&elemend);
MSHTML::IHTMLTxtRangePtr titleRng(rng->duplicate());
m_mk_srv->MovePointersToRange(titleRng, selstart, selend);
U::ElTextHTML title(titleRng->htmlText, titleRng->text);
MSHTML::IHTMLTxtRangePtr preRng(rng->duplicate());
elembeg->MoveAdjacentToElement(pe, MSHTML::ELEM_ADJ_AfterBegin);
m_mk_srv->MoveRangeToPointers(elembeg, selstart, preRng);
U::ElTextHTML pre(preRng->htmlText, preRng->text);
MSHTML::IHTMLElementCollectionPtr peChilds = pe->children;
MSHTML::IHTMLElementPtr elLast = peChilds->item(peChilds->length - 1);
if(U::scmp(elLast->innerText, L"") == 0)
elLast->innerText = L"123";
MSHTML::IHTMLTxtRangePtr postRng(rng->duplicate());
elemend->MoveAdjacentToElement(pe, MSHTML::ELEM_ADJ_BeforeEnd);
m_mk_srv->MoveRangeToPointers(selend, elemend, postRng);
U::ElTextHTML post(postRng->htmlText, postRng->text);
// Check if title needs to be created and further text to be copied
bool fTitle = !title.text.IsEmpty();
bool fContent = !post.html.IsEmpty();
if(fTitle && title.html.Find(L"<P") == -1)
title.html = CString(L"<P>") + title.html + CString(L"</P>");
if(fContent && post.html.Find(L"<P") == -1)
post.html = CString(L"<P>") + post.html + CString(L"</P>");
title.html.Remove(L'\r');
title.html.Remove(L'\n');
post.html.Remove(L'\r');
post.html.Remove(L'\n');
if(post.html.Find(L"<P> </P>") == 0
&& post.html.GetLength() > 13
&& fTitle
&& title.html.Find(L"<P> </P>") != title.html.GetLength() -14)
post.html.Delete(0, 13);
if(post.html.Find(L"<P>123</P>") != -1)
post.html.Replace(L"<P>123</P>", L"<P> </P>");
// Insert it after pe
MSHTML::IHTMLElement2Ptr(pe)->insertAdjacentElement(L"afterEnd", ne);
// Move content or create new
if(fContent)
{
// Create and position destination markup pointer
if(post.html == L"<P> </P>")
post.html += L"<P> </P>";
ne->innerHTML = post.html.AllocSysString();
// SeNS: issue #153
ne->id = id;
}
else
{
MSHTML::IHTMLElementPtr para(Document()->createElement(L"P"));
MSHTML::IHTMLElement3Ptr(para)->inflateBlock = VARIANT_TRUE;
MSHTML::IHTMLElement2Ptr(ne)->insertAdjacentElement(L"beforeEnd", para);
}
// Create and move title if needed
if(fTitle)
{
MSHTML::IHTMLElementPtr elTitle(Document()->createElement(L"DIV"));
elTitle->className = L"title";
MSHTML::IHTMLElement2Ptr(ne)->insertAdjacentElement(L"afterBegin", elTitle);
// Create and position destination markup pointer
elTitle->innerHTML = title.html.AllocSysString();
// Delete all containers from title
KillDivs(elTitle);
KillStyles(elTitle);
}
if(pre.html.Find(L"<P") == -1)
{
if(pre.html == L"")
pre.html = L"<P> </P>";
else
pre.html = CString(L"<P>") + pre.html + CString(L"</P>");
}
pe->innerHTML = pre.html.AllocSysString();
// Ensure we have good html
FixupParagraphs(ne);
PackText(ne, Document());
peColl = pe->children;
if(peColl->length == 1)
{
MSHTML::IHTMLElementPtr peChild = peColl->item(0);
if(!U::scmp(peChild->tagName, L"DIV") && !U::scmp(peChild->className, className.GetBSTR()))
m_mk_srv->RemoveElement(peChild);
}
MSHTML::IHTMLElementCollectionPtr neColl = ne->children;
if(neColl->length == 1)
{
MSHTML::IHTMLElementPtr neChild = neColl->item(0);
if(!U::scmp(neChild->tagName, L"DIV") && !U::scmp(neChild->className, className.GetBSTR()))
m_mk_srv->RemoveElement(neChild);
}
CString peTitSect;
if(peTitle)
{
peTitSect = peTitle->innerHTML.GetBSTR();
peTitSect += L"<P> </P>";
}
CString b = pe->innerText;
b.Remove(L'\r');
b.Remove(L'\n');
CString c = peTitle ? peTitle->innerText : L"";
c.Remove(L'\r');
c.Remove(L'\n');
if(peTitle && !U::scmp(b, c))
pe->innerHTML = peTitSect.AllocSysString();
// Close undo unit
m_mk_srv->EndUndoUnit();
// Move cursor to newly created item
GoTo(ne, false);
}
catch (_com_error& e)
{
U::ReportError(e);
}
return false;
}
// cleaning up html
static void KillDivs(MSHTML::IHTMLElement2Ptr elem) {
MSHTML::IHTMLElementCollectionPtr divs(elem->getElementsByTagName(L"DIV"));
while (divs->length>0)
MSHTML::IHTMLDOMNodePtr(divs->item(0L))->removeNode(VARIANT_FALSE);
}
static void KillStyles(MSHTML::IHTMLElement2Ptr elem) {
MSHTML::IHTMLElementCollectionPtr ps(elem->getElementsByTagName(L"P"));
for (long l=0;l<ps->length;++l)
CheckError(MSHTML::IHTMLElementPtr(ps->item(l))->put_className(NULL));
}
//////////////////////////////////////////////////////////////////////////////
/// @fn static bool MergeEqualHTMLElements(MSHTML::IHTMLDOMNode *node)
///
/// функция объединяет стоящие рядом одинаковые HTML элементы
///
/// @params MSHTML::IHTMLDOMNode *node [in, out] - нода, внутри которой будет производиться преобразование
///
/// @note сливаются следующие элементы: EM, STRONG
/// при этом пробельные символы, располагающиеся между закрывающем и открывающим тегами остаются, т.е.
/// '<EM>хороший</EM> <EM>пример</EM>' преобразуется в '<EM>хороший пример</EM>'
///
/// @author Ильин Иван @date 31.03.08
//////////////////////////////////////////////////////////////////////////////
static bool MergeEqualHTMLElements(MSHTML::IHTMLDOMNode *node, MSHTML::IHTMLDocument2 *doc)
{
if (node->nodeType != 1) // Element node
return false;
bool fRet=false;
MSHTML::IHTMLDOMNodePtr cur(node->firstChild);
while ((bool)cur)
{
MSHTML::IHTMLDOMNodePtr next;
try { next = cur->nextSibling; } catch(...) { return false; }
if (MergeEqualHTMLElements(cur,doc))
{
cur = node->firstChild;
continue;
}
// если нет следующего элемента, то сливать будет несчем
if(!(bool)next)
return false;
_bstr_t name(cur->nodeName);
MSHTML::IHTMLElementPtr curelem(cur);
MSHTML::IHTMLElementPtr nextElem(next);
if (U::scmp(name,L"EM")==0 || U::scmp(name,L"STRONG")==0)
{
// отлавливаем ситуацию с пробелом, обрамленным тегами EM т.д.
bstr_t curText = curelem->innerText;
if(curText.length() == 0 || U::is_whitespace(curelem->innerText))
{
// удаляем обрамляющие теги
MSHTML::IHTMLDOMNodePtr prev = cur->previousSibling;
if((bool)prev)
{
if(prev->nodeType == 3)//text
{
prev->nodeValue = (bstr_t)prev->nodeValue.bstrVal + curelem->innerText;
}
else
{
MSHTML::IHTMLElementPtr prevElem(prev);
prevElem->innerHTML = prevElem->innerHTML + curelem->innerText;
}
cur->removeNode(VARIANT_TRUE);
cur = prev;
continue;
}
if((bool)next)
{
MSHTML::IHTMLDOMNodePtr parent = cur->parentNode;
if(next->nodeType == 3)//text
{
next->nodeValue = (bstr_t)curelem->innerText + next->nodeValue.bstrVal;
}
else
{
MSHTML::IHTMLElementPtr nextElem(next);
nextElem->innerHTML = curelem->innerText + nextElem->innerHTML;
}
cur->removeNode(VARIANT_TRUE);
cur = parent->firstChild;
continue;
}
}
if(next->nodeType == 3) // TextNode
{
MSHTML::IHTMLDOMNodePtr afterNext(next->nextSibling);
if(!(bool)afterNext)
{
cur = next;
continue;
}
MSHTML::IHTMLElementPtr afterNextElem(afterNext);
bstr_t afterNextName = afterNext->nodeName;
if(U::scmp(name, afterNextName))// если следующий элемент другого типа
{
cur = next;
continue;
}
// проверяем между одинаковыми элементами стоят одни пробелы
if(!U::is_whitespace(next->nodeValue.bstrVal))
{
cur = next;
continue; // <EM>123</EM>45<EM>678</EM> абсолютно нормальная ситуация
}
// объединяем элементы
MSHTML::IHTMLElementPtr newelem(doc->createElement(name));
MSHTML::IHTMLDOMNodePtr newnode(newelem);
newelem->innerHTML = curelem->innerHTML + next->nodeValue.bstrVal + afterNextElem->innerHTML;
cur->replaceNode(newnode);
afterNext->removeNode(VARIANT_TRUE);
next->removeNode(VARIANT_TRUE);
cur = newnode;
fRet=true;
}
else
{
bstr_t nextName(next->nodeName);
if(U::scmp(name, nextName))// если следующий элемент другого типа
{
cur = next;
continue;
}
// объединяем элементы
MSHTML::IHTMLElementPtr newelem(doc->createElement(name));
MSHTML::IHTMLDOMNodePtr newnode(newelem);
newelem->innerHTML = curelem->innerHTML + nextElem->innerHTML;
cur->replaceNode(newnode);
next->removeNode(VARIANT_TRUE);
cur = newnode;
fRet=true;
continue;
}
}
cur=next;
}
return fRet;
}
static bool RemoveUnk(MSHTML::IHTMLDOMNode *node, MSHTML::IHTMLDocument2 *doc) {
if (node->nodeType!=1) // Element node
return false;
bool fRet=false;
restart:
MSHTML::IHTMLDOMNodePtr cur(node->firstChild);
while ((bool)cur)
{
MSHTML::IHTMLDOMNodePtr next;
try { next = cur->nextSibling; } catch(...) { return false; }
if (RemoveUnk(cur,doc))
goto restart;
_bstr_t name(cur->nodeName);
MSHTML::IHTMLElementPtr curelem(cur);
if (U::scmp(name,L"B")==0 || U::scmp(name,L"I")==0) {
const wchar_t *newname=U::scmp(name,L"B")==0 ? L"STRONG" : L"EM";
MSHTML::IHTMLElementPtr newelem(doc->createElement(newname));
MSHTML::IHTMLDOMNodePtr newnode(newelem);
newelem->innerHTML=curelem->innerHTML;
cur->replaceNode(newnode);
cur=newnode;
fRet=true;
goto restart;
}
CString text;
if (curelem != NULL)
text.SetString(curelem->outerHTML);
if (U::scmp(name,L"P") && U::scmp(name,L"STRONG") &&
U::scmp(name,L"STRIKE") && U::scmp(name,L"SUP") && U::scmp(name,L"SUB") &&
U::scmp(name,L"EM") && U::scmp(name,L"A") &&
(U::scmp(name,L"SPAN") || U::scmp(curelem->className, L"code")) &&
U::scmp(name,L"#text") && U::scmp(name,L"BR") &&
(U::scmp(name,L"IMG") || U::scmp(curelem->parentElement->className, L"image") &&
// Added by SeNS: inline images support
(U::scmp(name,L"SPAN") || U::scmp(curelem->className, L"image"))))
{
if (U::scmp(name,L"DIV")==0) {
_bstr_t cls(curelem->className);
_bstr_t id(curelem->id);
if (!(U::scmp(cls,L"body") && U::scmp(cls,L"section") &&
U::scmp(cls,L"table") && U::scmp(cls,L"tr") && U::scmp(cls,L"th") && U::scmp(cls,L"td") &&
U::scmp(cls,L"output") && U::scmp(cls,L"part") && U::scmp(cls,L"output-document-class") &&
U::scmp(cls,L"annotation") && U::scmp(cls,L"title") && U::scmp(cls,L"epigraph") &&
U::scmp(cls,L"poem") && U::scmp(cls,L"stanza") && U::scmp(cls,L"cite") &&
U::scmp(cls,L"date") &&
U::scmp(cls,L"history") && U::scmp(cls,L"image")&&
U::scmp(cls,L"code") &&
U::scmp(id,L"fbw_desc") && U::scmp(id,L"fbw_body") && U::scmp(id,L"fbw_updater")))
goto ok;
}
CElementDescriptor* ED;
if(_EDMnr.GetElementDescriptor(cur, &ED))
goto ok;
MSHTML::IHTMLDOMNodePtr ce(cur->previousSibling);
cur->removeNode(VARIANT_FALSE);
if (ce)
next=ce->nextSibling;
else
next=node->firstChild;
}
ok:
cur=next;
}
return fRet;
}
// move the paragraph up one level
void MoveUp(bool fCopyFmt,MSHTML::IHTMLDOMNodePtr& node) {
MSHTML::IHTMLDOMNodePtr parent(node->parentNode);
MSHTML::IHTMLElement2Ptr elem(parent);
// clone parent (it can be A/EM/STRONG/SPAN)
if (fCopyFmt) {
MSHTML::IHTMLDOMNodePtr clone(parent->cloneNode(VARIANT_FALSE));
while ((bool)node->firstChild)
clone->appendChild(node->firstChild);
node->appendChild(clone);
}
// clone parent once more and move siblings after node to it
if ((bool)node->nextSibling) {
MSHTML::IHTMLDOMNodePtr clone(parent->cloneNode(VARIANT_FALSE));
while ((bool)node->nextSibling)
clone->appendChild(node->nextSibling);
elem->insertAdjacentElement(L"afterEnd",MSHTML::IHTMLElementPtr(clone));
if (U::scmp(parent->nodeName,L"P")==0)
MSHTML::IHTMLElement3Ptr(clone)->inflateBlock=VARIANT_TRUE;
}
// now move node to parent level, the tree may be in some weird state
node->removeNode(VARIANT_TRUE); // delete from tree
node=elem->insertAdjacentElement(L"afterEnd",MSHTML::IHTMLElementPtr(node));
}
void BubbleUp(MSHTML::IHTMLDOMNode *node,const wchar_t *name) {
MSHTML::IHTMLElement2Ptr elem(node);
MSHTML::IHTMLElementCollectionPtr elements(elem->getElementsByTagName(name));
long len=elements->length;
for (long i=0;i<len;++i) {
MSHTML::IHTMLDOMNodePtr ce(elements->item(i));
if (!(bool)ce)
break;
for (int ll=0;ce->parentNode!=node && ll<30;++ll)
MoveUp(true,ce);
MoveUp(false,ce);
}
}
#if (1)
// split paragraphs containing BR elements
static void SplitBRs(MSHTML::IHTMLElement2Ptr elem)
{
CString text = MSHTML::IHTMLElementPtr(elem)->outerHTML;
if (text.Replace(L"<BR>", L"</P><P>") > 0)
MSHTML::IHTMLElementPtr(elem)->outerHTML = text.AllocSysString();
}
#else
static void SplitBRs(MSHTML::IHTMLElement2Ptr elem) {
MSHTML::IHTMLElementCollectionPtr BRs(elem->getElementsByTagName(L"BR"));
while (BRs->length>0) {
MSHTML::IHTMLDOMNodePtr ce(BRs->item(0L));
if (!(bool)ce)
break;
for (;;) {
MSHTML::IHTMLDOMNodePtr parent(ce->parentNode);
if (!(bool)parent) // no parent? huh?
goto blowit;
_bstr_t name(parent->nodeName);
if (U::scmp(name,L"P")==0 || U::scmp(name,L"DIV")==0)
break;
if (U::scmp(name,L"BODY")==0)
goto blowit;
MoveUp(false,ce);
}
MoveUp(false,ce);
blowit:
ce->removeNode(VARIANT_TRUE);
}
}
#endif
// this sub should locate any nested paragraphs and bubble them up
static void RelocateParagraphs(MSHTML::IHTMLDOMNode *node) {
if (node->nodeType!=1)
return;
MSHTML::IHTMLDOMNodePtr cur(node->firstChild);
while (cur) {
if (cur->nodeType==1) {
if (!U::scmp(cur->nodeName,L"P")) {
BubbleUp(cur,L"P");
BubbleUp(cur,L"DIV");
} else
RelocateParagraphs(cur);
}
cur=cur->nextSibling;
}
}
static bool IsStanza(MSHTML::IHTMLDOMNode *node) {
MSHTML::IHTMLElementPtr elem(node);
return U::scmp(elem->className,L"stanza")==0;
}
// Move text content in DIV items to P elements, so DIVs can
// contain P and DIV only
static void PackText(MSHTML::IHTMLElement2Ptr elem, MSHTML::IHTMLDocument2* doc)
{
MSHTML::IHTMLElementCollectionPtr elements(elem->getElementsByTagName(L"DIV"));
for(long i = 0; i < elements->length; ++i)
{
MSHTML::IHTMLDOMNodePtr div(elements->item(i));
if(U::scmp(MSHTML::IHTMLElementPtr(div)->className, L"image") == 0)
continue;
MSHTML::IHTMLDOMNodePtr cur(div->firstChild);
while((bool)cur)
{
_bstr_t cur_name(cur->nodeName);
if (U::scmp(cur_name, L"P") && U::scmp(cur_name, L"DIV"))
{
// create a paragraph from a run of !P && !DIV
MSHTML::IHTMLElementPtr newp(doc->createElement(L"P"));
MSHTML::IHTMLDOMNodePtr newn(newp);
cur->replaceNode(newn);
newn->appendChild(cur);
while ((bool)newn->nextSibling)
{
cur_name = newn->nextSibling->nodeName;
if (U::scmp(cur_name, L"P") == 0 || U::scmp(cur_name, L"DIV") == 0)
break;
newn->appendChild(newn->nextSibling);
}
cur = newn->nextSibling;
}
else
cur = cur->nextSibling;
}
}
}
static void FixupLinks(MSHTML::IHTMLDOMNode *dom) {
MSHTML::IHTMLElement2Ptr elem(dom);
if (!(bool)elem)
return;
MSHTML::IHTMLElementCollectionPtr coll(elem->getElementsByTagName(L"a"));
if (!(bool)coll)
return;
if (coll->length == 0) coll = elem->getElementsByTagName(L"A");
for (long l=0;l<coll->length;++l) {
MSHTML::IHTMLElementPtr a(coll->item(l));
if (!(bool)a)
continue;
_variant_t href(a->getAttribute(L"href",2));
if (V_VT(&href)==VT_BSTR && V_BSTR(&href) &&
::SysStringLen(V_BSTR(&href))>11 &&
memcmp(V_BSTR(&href),L"file://",6*sizeof(wchar_t))==0)
{
wchar_t* pos = wcschr((wchar_t*)V_BSTR(&href), L'#');
if(!pos)
continue;
a->setAttribute(L"href",pos,0);
}
}
}
bool CFBEView::InsertPoem(bool fCheck)
{
try
{
MSHTML::IHTMLTxtRangePtr rng(Document()->selection->createRange());
if(!(bool)rng)
return false;
MSHTML::IHTMLElementPtr pe(GetHP(rng->parentElement()));
if(!(bool)pe)
return false;
// Get parents for start and end ranges and ensure they are the same as pe
MSHTML::IHTMLTxtRangePtr tr(rng->duplicate());
tr->collapse(VARIANT_TRUE);
if (GetHP(tr->parentElement()) != pe)
return false;
// Check if it possible to insert a poem there
_bstr_t cls(pe->className);
if(U::scmp(cls, L"section")
&& U::scmp(cls, L"epigraph")
&& U::scmp(cls, L"annotation")
&& U::scmp(cls, L"history")
&& U::scmp(cls, L"cite"))
return false;
// Preventing double expanding whether checked or actual executed
MSHTML::IHTMLElementPtr elBegin, elEnd;
MSHTML::IHTMLDOMNodePtr begin, end;
if(!ExpandTxtRangeToParagraphs(rng, elBegin, elEnd))
return false;
else
{
begin = elBegin;
end = elEnd;
}
// All checks passed
if(fCheck)
return true;
m_mk_srv->BeginUndoUnit(L"insert poem");
CString rngHTML;
MSHTML::IHTMLDOMNodePtr sibling = begin;
do
{
rngHTML += MSHTML::IHTMLElementPtr(sibling)->outerHTML.GetBSTR();
if(sibling == end)
break;
}
while((sibling = sibling->nextSibling));
MSHTML::IHTMLElementPtr ne(Document()->createElement(L"<DIV class=poem>"));
if(!U::scmp(rng->text.GetBSTR(), L""))
{
MSHTML::IHTMLElementPtr se(Document()->createElement(L"<DIV class=stanza>"));
se->innerHTML = L"<P> </P>";
ne->innerHTML = se->outerHTML;
}
else
{
MSHTML::IHTMLElementPtr acc(Document()->createElement(L"DIV"));
acc->innerHTML = rngHTML.AllocSysString();
MSHTML::IHTMLElementCollectionPtr coll = acc->children;
bool trim = true;
CString stanzaHTML;
for(int i = 0; i < coll->length; ++i)
{
MSHTML::IHTMLElementPtr curr = coll->item(i);
CString line = curr->innerText;
// changed by SeNS: issue #61
if (line.Trim().IsEmpty())
{
if(trim)
continue;
else
{
MSHTML::IHTMLElementPtr se(Document()->createElement(L"<DIV class=stanza>"));
se->innerHTML = stanzaHTML.AllocSysString();
MSHTML::IHTMLElement2Ptr(ne)->insertAdjacentElement(L"beforeEnd", se);
stanzaHTML = L"";
trim = true;
}
}
else
{
if(!U::scmp(curr->tagName, L"DIV"))
{
if(curr->innerText.GetBSTR())
{
stanzaHTML += CString(L"<P>") + curr->innerText.GetBSTR() + CString(L"</P>");
}
else
continue;