#include <qfile.h>

#include <qtextstream.h>

#include <qmessagebox.h>

#include <qregexp.h>

#include "noteobj.h"

/////////////////////////////////////////////////////////////////

// NoteObj

/////////////////////////////////////////////////////////////////

NoteObj::NoteObj()

{

	clear();

}

NoteObj::NoteObj(const QString &s)

{

	clear();

	note=s;

}

void NoteObj::copy (NoteObj other)

{

	note=other.note;

	fonthint=other.fonthint;

	filenamehint="";

}

void NoteObj::clear()

{

	note="";

	fonthint="undef";

	filenamehint="";

}

void NoteObj::setNote (const QString &s)

{

	note=s;

}

QString NoteObj::getNote()

{

	return note;

}

QString NoteObj::getNoteASCII()

{

	return getNoteASCII (QString(""),80);

}

QString NoteObj::getNoteASCII(const QString &indent, const int &width)

{

	// FIXME make use of width

	QString r=note;

	// Remove all <style...> ...</style>

	QRegExp rx ("<style.*>.*</style>");

	rx.setMinimal(true);

	r.replace (rx,"");

	// convert all "<br*>" to "\n"

	rx.setPattern ("<br.*>");

	r.replace (rx,"\n");

	// convert all "</p>" to "\n"

	rx.setPattern ("</p>");

	r.replace (rx,"\n");

	// remove all remaining tags 

	rx.setPattern ("<.*>");

	r.replace (rx,"");

	// If string starts with \n now, remove it.

	// It would be wrong in an OOo export for example

	while (r.at(0)=='\n') r.remove (0,1);

	// convert "&", "<" and ">"

	rx.setPattern (">");

	r.replace (rx,">");

	rx.setPattern ("<");

	r.replace (rx,"<");

	rx.setPattern ("&");

	r.replace (rx,"&");

	rx.setPattern (""");

	r.replace (rx,"\"");

	// Indent everything

	rx.setPattern ("^\n");

	r.replace (rx,indent);

	r=indent + r;	// Don't forget first line

/* FIXME	wrap text at width

	if (fonthint !="fixed")

	{

	}

*/	

	r=indent+"\n"+r+indent+"\n\n";

	return r;

}

QString NoteObj::getNoteOpenDoc()

{

	// Evil hack to transform QT Richtext into

	// something which can be used in OpenDoc format

	// 

	// TODO create clean XML transformation which also

	// considers fonts, colors, ...

	QString r=note;

	// convert all "<br*>"

	QRegExp re("<br.*>");

	re.setMinimal(true);

	r.replace (re,"<text:line-break/>");

	// convert all "<p>" 

	re.setPattern ("<p>");

	r.replace (re,"<text:line-break/>");

	// Remove all other tags, e.g. paragraphs will be added in 

	// templates used during export

	re.setPattern ("</?html.*>");

	r.replace (re,"");

	re.setPattern ("</?head.*>");

	r.replace (re,"");

	re.setPattern ("</?body.*>");

	r.replace (re,"");

	re.setPattern ("</?meta.*>");

	r.replace (re,"");

	re.setPattern ("</?span.*>");

	r.replace (re,"");

	re.setPattern ("</?p.*>");

	r.replace (re,"");

	r="<text:span text:style-name=\"vym-notestyle\">"+r+"</text:span>";

	return r;

}

void NoteObj::setFontHint (const QString &s)

{

	// only for backward compatibility (pre 1.5 )

	fonthint=s;

}

QString NoteObj::getFontHint()

{

	// only for backward compatibility (pre 1.5 )

	return fonthint;

}

void NoteObj::setFilenameHint (const QString &s)

{

	filenamehint=s;

}

QString NoteObj::getFilenameHint()

{

	return filenamehint;

}

bool NoteObj::isEmpty ()

{

	return note.isEmpty();

}

QString NoteObj::saveToDir ()

{

	QString n=note;

	// Remove the doctype, which will confuse parsing

	// with XmlReader in Qt >= 4.4

	QRegExp rx("<!DOCTYPE.*>");

	rx.setMinimal(true);

	n.replace (rx,"");

	// QTextEdit may generate fontnames with unquoted &, like

	// in "Lucida B&H". This is invalid in XML and thus would crash

	// the XML parser

	// More invalid XML is generated with bullet lists:

	// There are 2 <style> tags in one <li>, so we merge them here

	int pos=0;

	bool inbracket=false;

	int begin_bracket=0;

	bool inquot=false;

	while (pos<n.length())

	{

		if (n.mid(pos,1)=="<") 

		{

			inbracket=true;

			begin_bracket=pos;

		}

		if (n.mid(pos,1)==">") 

		{

			inbracket=false;

			QString s=n.mid(begin_bracket,pos-begin_bracket+1);

			int sl=s.length();

			if (s.count("style=\"")>1)

			{

				rx.setPattern ("style=\\s*\"(.*)\"\\s*style=\\s*\"(.*)\"");

				s.replace(rx,"style=\"\\1 \\2\"");

				n.replace (begin_bracket,sl,s);

				pos=pos-(sl-s.length());

			}	

		}	

		if (n.mid(pos,1)=="\"" && inbracket)

		{

			if (!inquot)

				inquot=true;

			else

				inquot=false;

		}

		if (n.mid(pos,1)=="&" && inquot)

		{

			// Now we are inside  <  "  "  >

			n.replace(pos,1,"&");

			pos=pos+3;

		}

		pos++;

	}

	return beginElement ("htmlnote",attribut("fonthint",fonthint)) + "\n"+ n+ "\n" +endElement ("htmlnote");

}