/***************************************************************************
 *   copyright       : (C) 2003-2007 by Pascal Brachet                     *
 *   addons by Frederic Devernay <frederic.devernay@m4x.org>               *
 *   http://www.xm1math.net/texmaker/                                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "webpublishdialog.h"
#include "webpublishdialog_config.h"
#include "smallUsefulFunctions.h"

WebPublishDialog::WebPublishDialog(QWidget *parent, WebPublishDialogConfig* aConfig, BuildManager*  aBuildManager, QTextCodec *input_codec)
		:QDialog(parent), config(aConfig), buildManager(aBuildManager), codec (input_codec) {	
	Q_ASSERT(aConfig);
	Q_ASSERT(aBuildManager);
	//Q_ASSERT(input_codec);
	setWindowTitle(tr("Convert to Html"));
	setModal(true);
	ui.setupUi(this);
	ui.alignmentcomboBox->insertItem(0, tr("Left"));
	ui.alignmentcomboBox->insertItem(1, tr("Center"));
	ui.alignmentcomboBox->insertItem(2, tr("Right"));
	ui.navigationBox->insertItem(0, tr("Icons"));
	ui.navigationBox->insertItem(1, tr("Page numbers"));
	ui.indexcomboBox->insertItem(0, tr("Yes"));
	ui.indexcomboBox->insertItem(1, tr("No"));
	connect(ui.quitButton, SIGNAL(clicked()), this, SLOT(accept()));
	connect(ui.LaunchButton, SIGNAL(clicked()), this, SLOT(proceedSlot()));
	connect(ui.inputfileButton, SIGNAL(clicked()), this, SLOT(browseSlot()));
	init();
}

WebPublishDialog::~WebPublishDialog() {
}

void WebPublishDialog::accept() {
	applyusersettings();
	if (proc && proc->state()==QProcess::Running) {
		proc->kill();
		delete proc ;
	}
	QDialog::accept();
}

void WebPublishDialog::init() {
	ui.titleEdit->setText(config->title);
	ui.footnoteEdit->setText(config->address);
	ui.browserEdit->setText(config->browser);
	ui.contentEdit->setText(config->contentname);
	if (config->noindex) ui.indexcomboBox->setCurrentIndex(1);
	else ui.indexcomboBox->setCurrentIndex(0);
	if (config->align=="left") ui.alignmentcomboBox->setCurrentIndex(0);
	if (config->align=="center") ui.alignmentcomboBox->setCurrentIndex(1);
	if (config->align=="right") ui.alignmentcomboBox->setCurrentIndex(2);
	if (config->navigation==1) ui.navigationBox->setCurrentIndex(0);
	else ui.navigationBox->setCurrentIndex(1);
	ui.widthspinBox->setValue(config->userwidth);
	ui.compilationspinBox->setValue(config->compil);
	ui.tocdepthspinBox->setValue(config->tocdepth);
	ui.startindexspinBox->setValue(config->startindex);
	maxwidth=0;
	colorlink="1 0 0";
	nb_pages=0;
	nb_content_pages=0;
	id_page=1;
	depth="\\{part\\}|\\{chapter\\}|\\{section\\}";
}

void WebPublishDialog::convert(const QString &fileName) {
	ttwperr=false;
	errprocess=false;
	ui.messagetextEdit->clear();
	QString firstpage;
	QFileInfo fi(fileName);
	if (fi.exists() && fi.isReadable()) {
		workdir=fi.absolutePath();
		config->lastdir=workdir;
		base=fi.completeBaseName();
		if (workdir.endsWith("/")) 	htmldir=workdir+base+"_html";
		else htmldir=workdir+"/"+base+"_html";;
		QDir HDir(htmldir);
		if (HDir.exists()) {
			QFileInfoList files = HDir.entryInfoList();
			if (!files.empty()) {
				for (int i = 0; i < files.size(); ++i) {
					QString fn=files.at(i).filePath();
					QFile f(fn);
					f.remove();
				}
			}
		} else {
			HDir.mkdir(htmldir);
		}
		copyDataFile("style.css",htmldir+"/style.css");
		copyDataFile("up.gif",htmldir+"/up.gif");
		copyDataFile("up_d.gif",htmldir+"/up_d.gif");
		copyDataFile("psheader.txt",workdir+"/psheader.txt");
		if (config->navigation==1) {
			copyDataFile("next.gif",htmldir+"/next.gif");
			copyDataFile("next_d.gif",htmldir+"/next_d.gif");
			copyDataFile("prev.gif",htmldir+"/prev.gif");
			copyDataFile("prev_d.gif",htmldir+"/prev_d.gif");
		}
		if (config->title=="") config->title=base;
		if (config->tocdepth==2) {
			depth=depth+"|\\{subsection\\}";
		} else if (config->tocdepth==3) {
			depth=depth+"|\\{subsection\\}|\\{subsubsection\\}";
		}
		writepages("content");
		if (ttwperr || errprocess) return;
		if (!config->noindex) writepages("index");
		if (ttwperr || errprocess) return;
		clean();
		ui.messagetextEdit->append(tr("Conversion done.\nThe html files are located in the %1 directory.").arg(htmldir));
		if (!config->noindex) firstpage=htmldir+"/index.html";
		else firstpage=htmldir+"/page1.html";
		QFileInfo fip(firstpage);
		if (fip.exists() && fip.isReadable() && (!config->browser.isEmpty()) && (!errprocess)) {
			ui.messagetextEdit->append(tr("Running browser ."));
			proc=new QProcess(this);
			connect(proc, SIGNAL(finished(int)),proc, SLOT(deleteLater())); //will free proc after the process has ended
			proc->setWorkingDirectory(workdir);
			
			proc->start(config->browser+" "+firstpage);
			if (!proc->waitForStarted(1000)) {
				ui.messagetextEdit->append(tr("Error")+" : "+tr("could not start the command"));
				errprocess=true;
			}
		}
	} else {
		ui.messagetextEdit->append(tr("Input file not found."));
	}
}




void WebPublishDialog::closeEvent(QCloseEvent* ce) {
	if (proc && proc->state()==QProcess::Running) {
		proc->kill();
		delete proc ;
	}
	applyusersettings();
	ce->accept();
}

//************************************
void WebPublishDialog::RunCommand(const QString &cmd, const QString& file, const bool waitendprocess, const char* stdErrSlot){
	ProcessX* proc= buildManager->firstProcessOfDirectExpansion(cmd, file);
	this->proc=proc;
	ui.messagetextEdit->append(tr("  Running this command: ")+proc->getCommandLine());
	curLog="";
	proc->setWorkingDirectory(workdir);
	if (stdErrSlot)	connect(proc, SIGNAL(readyReadStandardError()),this, stdErrSlot);
	else 	connect(proc, SIGNAL(readyReadStandardError()),this, SLOT(readOutputForLog()));
	connect(proc, SIGNAL(finished(int)),this, SLOT(SlotEndProcess(int)));
	proc->startCommand();
	if (!proc->waitForStarted(1000)) {
		ui.messagetextEdit->append(tr("Error")+" : "+tr("could not start the command"));
		errprocess=true;
	}
	procfinished=false;
	if (waitendprocess) {
		while (!procfinished) { //be carefully when changing this, its duplicated in imgProcess
			qApp->instance()->processEvents(QEventLoop::ExcludeUserInputEvents);
		}
	}
}

void WebPublishDialog::SlotEndProcess(int err) {
	if (err) {
		ui.messagetextEdit->append(tr("Error")+" : "+tr("a process has failed"));
		if (curLog!="") ui.messagetextEdit->append(curLog);
		errprocess=true;
	}
	procfinished=true;
}

void WebPublishDialog::bboxProcess() {
	RunCommand("txs:///gs/[-q][-dBATCH][-dNOPAUSE][-sDEVICE=bbox]", workdir+"/page.ps", true, SLOT(readBboxOutput()));
}

void WebPublishDialog::readBboxOutput() {
	QRegExp rxbbox("%%BoundingBox:\\s*([0-9eE\\.\\-]+)\\s+([0-9eE\\.\\-]+)\\s+([0-9eE\\.\\-]+)\\s+([0-9eE\\.\\-]+)");
	QString x0,y0,x1,y1;
	QString line;
	QByteArray result=proc->readAllStandardError();
	QTextStream bbox(&result);
	while (!bbox.atEnd()) {
		line=bbox.readLine();
		if (rxbbox.indexIn(line)>-1) {
			QFile bboxf(workdir+"/bbox.txt");
			if (!bboxf.open(QIODevice::WriteOnly)) {
				fatalerror(workdir+"/bbox.txt"+" not found.");
				return;
			} else {
				QTextStream bboxts(&bboxf);
				bboxts << line;
				bboxf.close();
			}
		}
	}
}

void WebPublishDialog::imgProcess(const QString& params, const QString& psFile) {
	procfinished=false;
	RunCommand("txs:///gs/"+params, psFile, false, SLOT(readImgOutput())); //don't wait here, proceed until wait loop below
	QFile linkf(workdir+"/link.txt");
	if (!linkf.open(QIODevice::WriteOnly)) {
		fatalerror(workdir+"/link.txt"+" not found.");
		return;
	} else {
		QTextStream linkts(&linkf);
		linkts << "";
		linkf.close();
	}
	while (!procfinished) {
		qApp->instance()->processEvents(QEventLoop::ExcludeUserInputEvents);
	}
}

void WebPublishDialog::readImgOutput() {
	QString line=QString(proc->readAllStandardOutput());
	QFile linkf(workdir+"/link.txt");
	if (!linkf.open(QIODevice::WriteOnly)) {
		fatalerror(workdir+"/link.txt"+" not found.");
		return;
	} else {
		QTextStream linkts(&linkf);
		linkts << line;
		linkf.close();
	}
}

void WebPublishDialog::readOutputForLog() {
	QByteArray result=proc->readAllStandardError();
	QString t=QString(result);
	t=t.simplified();
	if (!t.isEmpty()) curLog.append(t+"\n");
}

void WebPublishDialog::copyDataFile(QString fileNameWithoutDir, QString to_file) {
	QString fiName=findResourceFile(fileNameWithoutDir);
	if (fiName=="") return;
	QFile::remove(to_file);
	QFile::copy(fiName,to_file);
}

void WebPublishDialog::removeFile(QString file) {
	if (QFile::exists(file)) {
		QFile fi(file);
		fi.remove();
	}
}

//******************************************
QString WebPublishDialog::header() {
	QString result="<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'> \n";
	result+="<html>\n";
	result+="<head>\n";
	result+="<META NAME='Generator' CONTENT='TeXstudio (http://texstudio.sourceforge.net/)'>\n";
	result+="<title>"+config->title+"</title>\n";
	result+="<link rel=StyleSheet href='style.css' type='text/css'>\n";
	result+="</head>\n";
	result+="<body bgcolor='white'>\n";
	return result;
}

QString WebPublishDialog::footer() {
	QString result="<div align='"+config->align+"' id='address'> "+config->address+" </div>\n";
	result+="</body>\n";
	result+="</html>";
	return result;
}

QString WebPublishDialog::content_navigation(int page,int numpages,QString up_page) {
	QString result;
	QString leftcode="";
	QString rightcode="";
	QString upcode ="";
	int prev_page=page-1;
	int next_page=page+1;
	if (config->navigation==1) {
		if (page > 1) {
			leftcode= "<A HREF='page"+QString::number(prev_page)+".html'><IMG src='prev.gif' align='middle' border='0'></A>";
		} else {
			leftcode="<IMG src='prev_d.gif' align='middle' border='0'>";
		}

		if (page < numpages) {
			rightcode="<A HREF='page"+QString::number(next_page)+".html'><IMG src='next.gif' align='middle' border='0'></A>";
		} else {
			rightcode="<IMG src='next_d.gif' align='middle' border='0'>" ;
		}
	} else {
		if (page > 1) {
			leftcode ="<A HREF='page"+QString::number(prev_page)+".html'>&nbsp;"+QString::number(prev_page)+"/"+QString::number(nb_content_pages)+"&nbsp;<</A>" ;
		} else {
			leftcode ="&nbsp;";
		}
		if (page < numpages) {
			rightcode ="<A HREF='page"+QString::number(next_page)+".html'>>&nbsp;"+QString::number(next_page)+"/"+QString::number(nb_content_pages)+"&nbsp;</A>" ;
		} else {
			rightcode ="&nbsp;";
		}
	}
	if (page>0) {
		upcode ="<A HREF='"+up_page+"'><IMG src='up.gif' align='middle' border='0'></A>" ;
	} else {
		upcode ="<IMG src='up_d.gif' align='middle' border='0'>";
	}
	result="<div id='navigation'>\n <table border=0 cellpadding=2 cellspacing=0 width='100%'>\n ";
	result+="<tr valign='middle'>\n ";
	result+="<td align='left' valign='middle' width='33%'>"+leftcode+"</td>\n";
	result+="<td align='center' valign='middle' width='34%'>"+upcode+"</td>\n";
	result+="<td align='right' valign='middle' width='33%'>"+rightcode+"</td>\n";
	result+="</tr>\n";
	result+="</table>\n";
	result+="</div>\n";
	return result;
}

int WebPublishDialog:: nbpagesps(QString psfile) {
	QString line;
	QString captured="0";
	bool ok;
	QFile f(psfile);
	QRegExp rx("^\%\%Pages:\\s+(-?\\d+)");
	if (!f.open(QIODevice::ReadOnly)) {
		fatalerror(psfile+" not found.");
		return 0;
	} else {
		QTextStream psts(&f);
		while (!psts.atEnd()) {
			line=psts.readLine();
			if (rx.indexIn(line)>-1) {
				captured = rx.cap(1);
				break;
			}
		}
		f.close();
		int result=captured.toInt(&ok);
		if (ok  && (result>0)) {
			return result;
		} else {
			return 0;
		}
	}
}

void WebPublishDialog::extractpage(QString psfile,int page) {
	QString line;

	QFile f(workdir+"/"+psfile);
	QRegExp rxpage("^\%\%Page:\\s+(-?\\d+)");
	QRegExp rxtrailer("^\%\%Trailer");
	QRegExp rx("^\%\%Pages:\\s+(-?\\d+)");
	if (!f.open(QIODevice::ReadOnly)) {
		fatalerror(psfile+" not found.");
		return;
	} else {
		QTextStream psts(&f);
		QFile outf(workdir+"/page.ps");
		if (!outf.open(QIODevice::WriteOnly)) {
			fatalerror("Can't open "+workdir+"/page.ps");
			return;
		} else {
			QTextStream outts(&outf);
			while (!psts.atEnd()) {
				bool go=true;
				line=psts.readLine();
				if (rxpage.indexIn(line)>-1) {
					int numpage=rxpage.cap(1).toInt();
					if (numpage==page) {
						line="\%\%Page: 1 1";
						go=true;
					} else go=false;
				}
				if (rxtrailer.indexIn(line)>-1) go=true;
				if (rx.indexIn(line)>-1) line="\%\%Pages: 1 0";
				if (go) outts << line+"\n";
			}
			outf.close();
		}
		f.close();
	}
}

QString WebPublishDialog::codepic(QString pic_name, QString map_name) {
	QString result="<div id='content' align='"+config->align+"'><IMG src='"+pic_name+"' align='middle' border='0'";
	if (map_name!="") result+=" usemap='#"+map_name+"'";
	result+="></div>\n";
	return result;
}

void WebPublishDialog::ps2gif(QString input,QString output,int id_page,int w,int h,int maxw) {
	if (!errprocess) extractpage(input,id_page);
	if (ttwperr  || errprocess) return;
	float resolution=float(72*config->userwidth)/maxw;
	float scale=float(config->userwidth)/maxw;
	int gx=int(w*resolution/72+0.5);
	int gy=int(h*resolution/72+0.5);
	QFile psf(workdir+"/page.ps");
	if (!psf.open(QIODevice::ReadOnly)) {
		fatalerror(workdir+"/page.ps"+" not found.");
		return;
	} else {
		QTextStream psts(&psf);
		QFile outf(workdir+"/tmp.ps");
		if (!outf.open(QIODevice::WriteOnly)) {
			fatalerror("Can't open "+workdir+"/tmp.ps");
			return;
		} else {
			QTextStream outts(&outf);
			bool flag=false;
			QString line;
			while (!psts.atEnd()) {
				line=psts.readLine();
				if (line.indexOf(QRegExp("^%%BoundingBox:\\s(\\d+)\\s(\\d+)\\s(\\d+)\\s(\\d+)/)"),0) !=-1) {
					outts << "%%BoundingBox: 0 0 "+QString::number(w)+" "+QString::number(h)+"\n";
				} else if ((!flag) && ((line.indexOf(QRegExp("^%%EndSetup"),0) >-1) || (line.indexOf(QRegExp("^%%Page:"),0) >-1))) {
					outts << line+"\n";
					outts << QString::number(x1)+" neg "+QString::number(y1)+" neg translate\n";
					flag=true;
				} else if (line.indexOf(QRegExp("/uscale\\s+([0-9eE\\.\\-]+)\\s+N"),0) !=-1) {
					outts << "/uscale "+QString::number(scale)+" N\n";
				} else {
					outts << line+"\n";
				}
			}
			psf.close();
			outf.close();
			if (w!=0) {
				if (!errprocess) imgProcess("[-q][-dSAFER -dBATCH -dNOPAUSE][-sDEVICE=png16m][-g"+QString::number(gx)+"x"+QString::number(gy)+"][-r"+QString::number(resolution)+"][-dTextAlphaBits=4][-dGraphicsAlphaBits=4][-sOutputFile=\""+output+QString::number(id_page)+".png\"]", workdir+"/tmp.ps");
				if (ttwperr || errprocess) return;
			} else {
				copyDataFile("blank.png",htmldir+"/"+output+QString::number(id_page)+".png");
			}
			removeFile(workdir+"/page.ps");
			removeFile(workdir+"/tmp.ps");
			removeFile(workdir+"/tmp.ppm");
		}
	}
}

void WebPublishDialog::writepages(QString mode) {
	bool match=false;
	bool ok;
	maxwidth=1;
	QString line;
	QString captured1, captured2, captured3, captured4;
	x1box.clear();
	y1box.clear();
	x2box.clear();
	y2box.clear();

	if (mode=="content") {
		QFile outf(workdir+"/"+base+"_"+mode+".tex");
		if (!outf.open(QIODevice::WriteOnly)) {
			fatalerror(tr("Can't open")+" "+workdir+"/"+base+"_"+mode+".tex");
			return;
		} else {
			QTextStream outts(&outf);
			outts.setCodec(codec);
			QFile texf(workdir+"/"+base+".tex");
			if (!texf.open(QIODevice::ReadOnly)) {
				fatalerror(workdir+"/"+base+".tex "+tr("not found")+".");
				return;
			} else {
				QTextStream texts(&texf);
				texts.setCodec(codec);
				while (!texts.atEnd()) {
					line=texts.readLine();
					if (!match && (line.indexOf(QRegExp("^\\\\begin\\{document\\}"),0)!=-1)) {
						outts << "\\newbox\\bwk\\edef\\tempd#1pt{#1\\string p\\string t}\\tempd\\def\\nbextr#1pt{#1}\n";
						outts << "\\def\\npts#1{\\expandafter\\nbextr\\the#1\\space}\n";
						outts << "\\def\\ttwplink#1#2{\\special{ps:"+colorlink+" setrgbcolor}#2\\special{ps:0 0 0 setrgbcolor}\\setbox\\bwk=\\hbox{#2}\\special{ps:( linkto #1)\\space\\npts{\\wd\\bwk} \\npts{\\dp\\bwk} -\\npts{\\ht\\bwk} true\\space Cpos}}\n";
						match=true;
					}
					outts << line+"\n";
				}
				texf.close();
				outf.close();
				ui.messagetextEdit->append(tr("Compiling input file. Please wait..."));
				int counter=1;
				while (counter <= config->compil) {
					if (!errprocess) 
						RunCommand(BuildManager::CMD_LATEX, workdir+"/"+base+"_"+mode+".tex", true);
						//RunCommand("latex -interaction=nonstopmode "+base+"_"+mode+".tex",true);
					
					latexerror(workdir+"/"+base+"_"+mode+".log");
					if (ttwperr  || errprocess) break;
					counter++;
				}
				if (ttwperr  || errprocess) return;
				QFile auxf(workdir+"/"+base+"_content.aux");
				if (!auxf.open(QIODevice::ReadOnly)) {
					fatalerror(mode+workdir+"/"+base+"_content.aux "+tr("not found")+".");
					return;
				} else {
					QTextStream auxts(&auxf);
					auxts.setCodec(codec);
					QRegExp rx("\\\\newlabel\\{(.*)\\}\\{\\{.*\\}\\{(\\d+)\\}\\}");
					while (!auxts.atEnd()) {
						QString line=auxts.readLine();
						if (rx.indexIn(line)!=-1) {
							QString captured1 = rx.cap(1);
							QString captured2 = rx.cap(2);
							loc[captured1] = "page"+captured2+".html";
						}
					}
					auxf.close();
				}
			}
		}
	} else if (mode=="index") {
		QFile outf(workdir+"/"+base+"_"+mode+".tex");
		if (!outf.open(QIODevice::WriteOnly)) {
			fatalerror(tr("Can't open")+" "+workdir+"/"+base+"_"+mode+".tex");
			return;
		} else {
			QTextStream outts(&outf);
			outts.setCodec(codec);
			QFile texf(workdir+"/"+base+".tex");
			if (!texf.open(QIODevice::ReadOnly)) {
				fatalerror(workdir+"/"+base+".tex "+tr("not found")+".");
				return;
			} else {
				QTextStream texts(&texf);
				texts.setCodec(codec);
				match=false;
				while (!texts.atEnd()) {
					line=texts.readLine();
					if (line.indexOf(QRegExp("^\\\\begin\\{document\\}"),0) >-1) {
						match=true;
					}
					if (!match) {
						outts << line+"\n";
					}
				}
				texf.close();
				outts << "\\pagestyle{empty}\n";
				outts << "\\setcounter{tocdepth}{"+QString::number(config->tocdepth)+"} \n";
				outts << "\\newbox\\bwk\\edef\\tempd#1pt{#1\\string p\\string t}\\tempd\\def\\nbextr#1pt{#1}\n";
				outts << "\\def\\npts#1{\\expandafter\\nbextr\\the#1\\space}\n";
				outts << "\\def\\ttwplink#1#2{#2\\setbox\\bwk=\\vbox{#2}\\special{ps:( linkto #1)\\space\\npts{\\wd\\bwk} \\npts{\\dp\\bwk} -\\npts{\\ht\\bwk} false\\space Cpos}}\n";
				outts << "\\begin{document}\n";
				outts << "\\section*{"+config->contentname+"}\n";
				outts << "\\makeatletter\n\\parindent = 0.0 in\n";
				QFile auxf(workdir+"/"+base+"_content.aux");
				if (!auxf.open(QIODevice::ReadOnly)) {
					fatalerror(mode+workdir+"/"+base+"_content.aux "+tr("not found")+".");
					return;
				} else {
					QTextStream auxts(&auxf);
					auxts.setCodec(codec);
					QRegExp rx("\\\\@writefile\\{toc\\}.*("+depth+").*\\{(\\d+)\\}\\}");
					while (!auxts.atEnd()) {
						line=auxts.readLine();
						if (rx.indexIn(line)>-1) {
							captured2 = rx.cap(2);
							id_page=captured2.toInt(&ok);
							line.remove(QRegExp("\\\\@writefile\\{toc\\}"));
							if (line.indexOf(QRegExp("\\\\numberline"),0) >-1) {
								id_page=id_page+config->startindex-1;
								outts << "\\ttwplink{page"+QString::number(id_page)+".html}";
							} else {
								outts << "\\ttwplink{none}";
							}
							outts << line+"\n\n";
						}
					}
					auxf.close();
					outts << "\\end{document}" ;
					outf.close();
					if (!errprocess) 
						RunCommand(BuildManager::CMD_LATEX, workdir+"/"+base+"_"+mode+".tex", true);
					latexerror(workdir+"/"+base+"_"+mode+".log");
					if (ttwperr  || errprocess) return;
				}
			}
		}
	}
	if (!errprocess)
		RunCommand("txs:///dvips/[-q "+config->dviopt+" -h psheader.txt]", workdir+"/"+base+"_"+mode+".tex", true);
		//RunCommand("dvips -q "+dviopt+" -h psheader.txt -o "+base+"_"+mode+".ps "+base+"_"+mode+".dvi",true) ;
	
	if (ttwperr || errprocess) return;
	QString link="none";
	int nb_link=0;
	int W,H;
	nb_pages=nbpagesps(workdir+"/"+base+"_"+mode+".ps");
	if (ttwperr  || errprocess) return;
	id_page=1;
	ui.messagetextEdit->append(tr("Scanning files. Please wait..."));
	while (id_page <= nb_pages) {
		if (!errprocess) extractpage(base+"_"+mode+".ps",id_page);
		if (ttwperr  || errprocess) return;
		if (!errprocess) bboxProcess();
		if (ttwperr  || errprocess) return;
		QFile bboxf(workdir+"/bbox.txt");
		if (!bboxf.open(QIODevice::ReadOnly)) {
			fatalerror(workdir+"/bbox.txt "+tr("not found")+".");
			return;
		} else {
			QTextStream bboxts(&bboxf);
			QRegExp rx("%%BoundingBox:\\s*([0-9eE\\.\\-]+)\\s+([0-9eE\\.\\-]+)\\s+([0-9eE\\.\\-]+)\\s+([0-9eE\\.\\-]+)");
			while (!bboxts.atEnd()) {
				QString line=bboxts.readLine();
				if (rx.indexIn(line)!=-1) {
					captured1 = rx.cap(1);
					x1=captured1.toInt(&ok);
					captured2 = rx.cap(2);
					y1=captured2.toInt(&ok);
					captured3 = rx.cap(3);
					x2=captured3.toInt(&ok);
					captured4 = rx.cap(4);
					y2=captured4.toInt(&ok);
				}
			}
			bboxf.close();
			x1box.append(x1);
			y1box.append(y1);
			x2box.append(x2);
			y2box.append(y2);
			W=x2-x1;
			if (W > maxwidth) {
				maxwidth=W ;
			}
		}
		removeFile(workdir+"/page.ps");
		removeFile(workdir+"/bbox.txt");
		id_page++;
	}
	if (mode=="content") {
		id_page=1;
		nb_content_pages=nb_pages;
		while (id_page <= nb_pages) {
			ui.messagetextEdit->append(tr("Writing page")+" "+QString::number(id_page)+" "+tr("of")+" "+QString::number(nb_pages));
			x1=x1box[id_page-1];
			y1=y1box[id_page-1];
			x2=x2box[id_page-1];
			y2=y2box[id_page-1];
			W=x2-x1;
			H=y2-y1;
			ps2gif(base+"_"+mode+".ps",htmldir+"/image",id_page,W,H,maxwidth);
			if (ttwperr || errprocess) return;
			QFile htmf(htmldir+"/page"+QString::number(id_page)+".html");
			if (!htmf.open(QIODevice::WriteOnly)) {
				fatalerror(tr("Can't open")+" "+htmldir+"/page"+QString::number(id_page)+".html");
				return;
			} else {
				QTextStream htmts(&htmf);
				htmts << header();
				if (config->noindex) {
					htmts << content_navigation(id_page,nb_pages,"page1.html");
				} else {
					htmts << content_navigation(id_page,nb_pages,"index.html");
				}
				QFile linkf(workdir+"/link.txt");
				if (!linkf.open(QIODevice::ReadOnly)) {
					fatalerror(workdir+"/link.txt"+" "+tr("not found")+".");
					return;
				} else {
					QTextStream LINK(&linkf);
					QRegExp rx("x1=([0-9eE\\.\\-]+)\\s+y1=([0-9eE\\.\\-]+)\\s+x2=([0-9eE\\.\\-]+)\\s+y2=([0-9eE\\.\\-]+)\\s+linkto\\s+(.*)$");
					nb_link = 0 ;
					htmts << "<map name='carte"+QString::number(id_page)+"'>\n" ;
					while (!LINK.atEnd()) {
						line=LINK.readLine();
						if (rx.indexIn(line)>-1) {
							captured1 = rx.cap(1);
							x1=int(captured1.toFloat(&ok)+0.5);
							captured2 = rx.cap(2);
							y1=int(captured2.toFloat(&ok)+0.5);
							captured3 = rx.cap(3);
							x2=int(captured3.toFloat(&ok)+0.5);
							captured4 = rx.cap(4);
							y2=int(captured4.toFloat(&ok)+0.5);
							link=rx.cap(5);
							if (link !="none") {
								LinkMap::Iterator it=loc.find(link);
								if (it !=loc.end()) {
									htmts << "<area shape='rect' coords='"+QString::number(x1)+","+QString::number(y1)+","+QString::number(x2)+","+QString::number(y2)+"' href='"+it.value()+"' >\n"  ;
								} else {
									htmts << "<area shape='rect' coords='"+QString::number(x1)+","+QString::number(y1)+","+QString::number(x2)+","+QString::number(y2)+"' href='"+link+"' >\n"  ;
								}
							}
							nb_link++;
						}
					}
					linkf.close();
					htmts << "</map>\n" ;
					if (nb_link >0) {
						htmts << codepic("image"+QString::number(id_page)+".png","carte"+QString::number(id_page));
					} else {
						htmts << codepic("image"+QString::number(id_page)+".png","");
					}
					if (config->noindex) {
						htmts << content_navigation(id_page,nb_pages,"page1.html");
					} else {
						htmts << content_navigation(id_page,nb_pages,"index.html");
					}
					htmts << footer();
					htmf.close() ;

				}
			}
			id_page++;
		}
	} else if (mode=="index") {
		ui.messagetextEdit->append(tr("Writing index page"));
		QFile htmf(htmldir+"/index.html");
		if (!htmf.open(QIODevice::WriteOnly)) {
			fatalerror(tr("Can't open")+" "+htmldir+"/index.html");
			return;
		} else {
			QTextStream htmts(&htmf);
			htmts << header();
			htmts << content_navigation(0,1,"");
			id_page=1;
			while (id_page <= nb_pages) {
				x1=x1box[id_page-1];
				y1=y1box[id_page-1];
				x2=x2box[id_page-1];
				y2=y2box[id_page-1];
				W=x2-x1;
				H=y2-y1;
				ps2gif(base+"_"+mode+".ps",htmldir+"/"+mode+"image",id_page,W,H,maxwidth);
				if (ttwperr || errprocess) return;
				QFile linkf(workdir+"/link.txt");
				if (!linkf.open(QIODevice::ReadOnly)) {
					fatalerror(workdir+"/link.txt "+tr("not found")+".");
					return;
				} else {
					QTextStream LINK(&linkf);
					QRegExp rx("x1=([0-9eE\\.\\-]+)\\s+y1=([0-9eE\\.\\-]+)\\s+x2=([0-9eE\\.\\-]+)\\s+y2=([0-9eE\\.\\-]+)\\s+linkto\\s+(.*)$");
					nb_link = 0 ;
					htmts << "<map name='carte"+QString::number(id_page)+"'>\n" ;
					while (!LINK.atEnd()) {
						line=LINK.readLine();
						if (rx.indexIn(line)>-1) {
							captured1 = rx.cap(1);
							x1=int(captured1.toFloat(&ok)+0.5);
							captured2 = rx.cap(2);
							y1=int(captured2.toFloat(&ok)+0.5);
							captured3 = rx.cap(3);
							x2=int(captured3.toFloat(&ok)+0.5);
							captured4 = rx.cap(4);
							y2=int(captured4.toFloat(&ok)+0.5);
							link=rx.cap(5);
							if (link !="none") {
								htmts << "<area shape='rect' coords='"+QString::number(x1)+","+QString::number(y1)+","+QString::number(x2)+","+QString::number(y2)+"' href='"+link+"' >\n"  ;
							}
							nb_link++;
						}
					}
					linkf.close();
					htmts << "</map>\n" ;
				}
				id_page++;
			}
			id_page=1;
			while (id_page <= nb_pages) {
				htmts << codepic(mode+"image"+QString::number(id_page)+".png","carte"+QString::number(id_page));
				id_page++;
			}
			htmts << content_navigation(0,1,"");
			htmts << footer();
			htmf.close();
		}
	}
}



void WebPublishDialog::fatalerror(QString msg) {
	clean();
	ui.messagetextEdit->append(tr("Fatal error : ")+msg);
	ttwperr=true;
}

void WebPublishDialog::clean() {
	removeFile(workdir+"/psheader.txt");
	removeFile(workdir+"/link.txt");
	QStringList extension=QString(".tex,.log,.aux,.dvi,.lof,.lot,.bit,.idx,.glo,.bbl,.ilg,.toc,.ind,.ps").split(",");
	for (QStringList::Iterator it = extension.begin(); it != extension.end(); ++it) {
		removeFile(workdir+"/"+base+"_content"+*it);
		removeFile(workdir+"/"+base+"_index"+*it);
	}
}

void WebPublishDialog::latexerror(QString logfile) {	
	QRegExp rx("^!");
	QString line;
	QFile logf(logfile);
	if (!logf.open(QIODevice::ReadOnly)) {
		fatalerror(logfile+" "+tr("not found")+".");
	} else {
		QTextStream LOG(&logf);
		bool ok=true;
		while (!LOG.atEnd()) {
			line=LOG.readLine();
			if (rx.indexIn(line)>-1) {
				ok=false;
			}
		}
		logf.close();
		if (!ok) fatalerror(tr("LaTeX errors detected."));
	}
}

void WebPublishDialog::proceedSlot() {
	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	ui.messagetextEdit->clear();
	applyusersettings();
	convert(ui.inputfileEdit->text());
	QApplication::restoreOverrideCursor();
}

void WebPublishDialog::browseSlot() {
	QString fn = QFileDialog::getOpenFileName(this,tr("Open File"),config->lastdir,tr("TeX files (*.tex);;All files (*.*)"));
	if (!fn.isEmpty()) {
		ui.inputfileEdit->setText(fn);
	}
}

void WebPublishDialog::applyusersettings() {
	config->title=ui.titleEdit->text();
	config->address=ui.footnoteEdit->text();
	config->browser=ui.browserEdit->text();
	config->contentname=ui.contentEdit->text();
	if (ui.indexcomboBox->currentIndex()==0) config->noindex=false;
	else config->noindex=true;
	if (ui.alignmentcomboBox->currentIndex()==0) config->align="left";
	if (ui.alignmentcomboBox->currentIndex()==1) config->align="center";
	if (ui.alignmentcomboBox->currentIndex()==2) config->align="right";
	if (ui.navigationBox->currentIndex()==0) config->navigation=1;
	else config->navigation=0;
	config->userwidth=ui.widthspinBox->value();
	config->compil=ui.compilationspinBox->value();
	config->tocdepth=ui.tocdepthspinBox->value();
	config->startindex=ui.startindexspinBox->value();
}




//===================================================
// Config Management
//===================================================


void WebPublishDialogConfig::readSettings(QSettings& settings){
	settings.beginGroup("qttwp");
	userwidth=settings.value("/userwidth",700).toInt();
	compil=settings.value("/compil",1).toInt();
	tocdepth=settings.value("/tocdepth",2).toInt();
	startindex=settings.value("/startindex",1).toInt();
	navigation=settings.value("/navigation",1).toInt();
	noindex=settings.value("/noindex",false).toBool();
	title=settings.value("/title","").toString();
	address=settings.value("/address","").toString();
#if defined Q_WS_X11 || defined Q_OS_LINUX
	QString kdesession= ::getenv("KDE_FULL_SESSION");
	if (!kdesession.isEmpty()) browser=settings.value("/browser","konqueror").toString();
	else browser=settings.value("/browser","firefox").toString();
    //programdir=PREFIX"/share/texstudio";
#endif
#ifdef Q_OS_MAC
	browser=settings.value("/browser","open").toString();
    //programdir="/Applications/texstudio.app/Contents/Resources";
#endif
#ifdef Q_OS_WIN32
	browser=settings.value("/browser","\"C:/Program Files/Internet Explorer/IEXPLORE.EXE\"").toString();
	//programdir=QCoreApplication::applicationDirPath();
#endif
	contentname=settings.value("/contentname","\\contentsname").toString();
	align=settings.value("/align","center").toString();
	lastdir=settings.value("/lastdir",QDir::homePath()).toString();
	dviopt=settings.value("/dviopt"," -Ppk -V").toString();

	settings.endGroup();
}

//	applyusersettings();
void WebPublishDialogConfig::saveSettings(QSettings& settings){
	settings.beginGroup("qttwp");
	settings.setValue("userwidth",userwidth);
	settings.setValue("compil",compil);
	settings.setValue("tocdepth",tocdepth);
	settings.setValue("startindex",startindex);
	settings.setValue("navigation",navigation);
	settings.setValue("noindex",noindex);
	settings.setValue("title",title);
	settings.setValue("address",address);
	settings.setValue("browser",browser);
	settings.setValue("contentname",contentname);
	settings.setValue("align",align);
	settings.setValue("lastdir",lastdir);
	settings.setValue("dviopt",dviopt);
	settings.endGroup();
}

