diff -r de97201180ea -r 98f260cfb1fe file.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/file.cpp	Wed Jan 25 09:05:57 2006 +0000
@@ -0,0 +1,291 @@
+#include <qobject.h>
+#include <qmessagebox.h>
+#include <iostream>
+
+#include "file.h"
+#include "process.h"
+
+
+QString maskPath(QString p)
+{
+	// Change " " to "\ " to enable blanks in filenames
+	p=p.replace(QChar('&'),"\\&");
+	return p.replace(QChar(' '),"\\ ");
+}
+
+QString convertToRel (const QString &src, const QString &dst)
+{
+	QString s=src;
+	QString d=dst;
+	int i;
+
+	if (s==d) 
+	{
+		// Special case, we just need the name of the file,
+		// not the complete path
+		i=d.findRev ("/");
+		d=d.right (d.length()-i-1);
+	} else
+	{
+		// Find relative path from src to dst
+
+		// Remove the first "/"
+		if (s.section ("/",0,0).isEmpty()) 
+		{
+			s=s.right (s.length()-1);
+			d=d.right (d.length()-1);
+		}
+		
+		// remove identical left parts
+		while (s.section("/",0,0) == d.section("/",0,0) ) 
+		{
+			i=s.find ("/");
+			s=s.right (s.length()-i-1);
+			d=d.right (d.length()-i-1);
+		}
+
+		int srcsep=s.contains("/");
+		int dstsep=d.contains("/");
+		if (srcsep >=  dstsep )
+		{
+			// find path to go up first and then back to dst
+			i=1;
+			while (i<=srcsep) 
+			{
+				d="../"+d;
+				i++;
+			}	
+		}
+	}	
+	return d;
+}
+
+QString makeUniqueDir (QString s)
+{
+	// Create unique directory e.g. s="/tmp/vym-XXXXXX"
+
+	// Convert QString to string first
+	char *p;
+	int bytes=s.length();
+	p=(char*) malloc (bytes+1);
+	int i;
+	for (i=0;i<bytes;i++)
+		p[i]=s.at(i).latin1();
+	p[bytes]=0;	
+	QString r=mkdtemp (p);
+	free (p);
+	return r;
+}
+
+void removeDir(QDir d)
+{
+	if (d.path().left(4)!="/tmp")
+	{
+		// FIXME testing
+		qWarning ("file.cpp::removeDir should remove "+d.path()+" - aborted.");
+		return;
+	}
+
+	// Traverse directories
+	d.setFilter( QDir::Dirs| QDir::Hidden | QDir::NoSymLinks );
+	const QFileInfoList *dirlist = d.entryInfoList();
+	QFileInfoListIterator itdir( *dirlist );
+	QFileInfo *fi;
+
+	while ( (fi = itdir.current()) != 0 ) 
+	{
+		if (fi->fileName() != "." && fi->fileName() != ".." )
+		{
+			if ( !d.cd(fi->fileName()) ) 
+				qWarning ("removeDir() cannot find the directory "+fi->fileName());
+			else 
+			{
+				// Recursively remove subdirs
+				removeDir (d);
+				d.cdUp();
+			}
+		}	
+		++itdir;
+	}		
+	// Traverse files
+	d.setFilter( QDir::Files| QDir::Hidden | QDir::NoSymLinks );
+	const QFileInfoList *filelist = d.entryInfoList();
+	QFileInfoListIterator itfile( *filelist );
+
+	while ( (fi = itfile.current()) != 0 ) 
+	{
+		QFile (fi->filePath()).remove();
+		
+		++itfile;
+	}	
+
+	if (!d.rmdir(d.path()))
+		qWarning ("removeDir("+d.path()+") failed!");
+}		
+
+void makeSubDirs (const QString &s)
+{
+	QDir d(s);
+	d.mkdir(s);
+	d.mkdir ("images");	
+	d.mkdir ("flags");	
+}
+
+errorCode zipDir (const QDir &zipDir, const QString &zipName)
+{
+	errorCode err=success;
+	
+	// zip the temporary directory
+	Process *zipProc=new Process ();
+	zipProc->clearArguments();
+	zipProc->setWorkingDirectory (QDir(zipDir));
+	zipProc->addArgument ("zip");
+	zipProc->addArgument ("-r");
+	zipProc->addArgument (zipName);
+	zipProc->addArgument (".");
+
+	if (!zipProc->start() )
+	{	
+		// zip could not be started
+		QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
+					   QObject::tr("Couldn't start zip to compress data."));
+		err=aborted;
+	} else
+	{
+		// zip could be started
+		zipProc->waitFinished();
+		if (!zipProc->normalExit() )
+		{
+			QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
+						   QObject::tr("zip didn't exit normally")+
+						   "\n" + zipProc->getErrout());
+			err=aborted;
+		} else
+		{
+			if (zipProc->exitStatus()>0)
+			{
+				QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
+						   QString("zip exit code:  %1").arg(zipProc->exitStatus() )+
+						   "\n" + zipProc->getErrout() );
+				err=aborted;
+			}
+		}
+	}	// zip could be started
+	if (err==aborted) qWarning("file.cpp: zip aborted"); 
+	return err;	
+}
+
+errorCode unzipDir (const QDir &zipDir, const QString &zipName)
+{
+	errorCode err=success;
+
+	// Try to unzip file
+	Process *zipProc=new Process ();
+	zipProc->clearArguments();
+	zipProc->setWorkingDirectory (zipDir);
+	zipProc->addArgument ("unzip");
+	zipProc->addArgument (zipName );
+	zipProc->addArgument ("-d");
+	zipProc->addArgument (zipDir.path());
+
+	if (!zipProc->start() )
+	{
+		QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
+					   QObject::tr("Couldn't start unzip to decompress data."));
+		err=aborted;
+		
+	} else
+	{
+		zipProc->waitFinished();
+		if (!zipProc->normalExit() )
+		{
+			QMessageBox::critical( 0,QObject::tr( "Critical Error" ),
+						   QObject::tr("unzip didn't exit normally") +
+						   zipProc->getErrout() );
+			err=aborted;
+		} else
+		{
+			if (zipProc->exitStatus()>0)
+			{
+				if (zipProc->exitStatus()==9)
+					// no zipped file, but maybe .xml or old version? Try again.
+					err=nozip;
+				else	
+				{
+					QMessageBox::critical( 0, QObject::tr( "Critical Error" ),
+								   QString("unzip exit code:  %1").arg(zipProc->exitStatus() ) +
+								   zipProc->getErrout() );
+					err=aborted;
+				}
+			} 
+		}
+	}
+	if (err==aborted) qWarning("file.cpp: unzip aborted"); 
+	return err;	
+}
+
+bool loadStringFromDisk (const QString &fname, QString &s)
+{
+	s="";
+	QFile file ( fname);
+	if ( !file.open( IO_ReadOnly ) ) return false;
+
+	QTextStream ts( &file );
+	ts.setEncoding (QTextStream::UnicodeUTF8);
+	while ( !ts.atEnd() ) 
+		s+=ts.readLine()+"\n"; 
+	file.close();
+	return true;
+}
+
+bool saveStringToDisk (const QString &fname, const QString &s)
+{
+	QFile file( fname);
+
+	file.setName ( fname);
+	if ( !file.open( IO_WriteOnly ) ) 
+	{
+		file.close();
+		return false;
+	}	
+
+	// Write it finally, and write in UTF8, no matter what 
+	QTextStream ts( &file );
+	ts.setEncoding (QTextStream::UnicodeUTF8);
+	ts << s;
+	file.close();
+	return true;
+}
+
+
+ImagePreview::ImagePreview (QWidget *parent=0): QLabel (parent)
+{
+}
+
+void ImagePreview::previewUrl( const QUrl &u )
+{
+    QString path = u.path();
+    QPixmap pix( path );
+    if ( pix.isNull() )
+        setText( QObject::tr("This is not an image.") );
+    else
+	{
+		float max_w=300;
+		float max_h=300;
+		float r;
+		if (pix.width()>max_w)
+		{
+			r=max_w / pix.width();
+			pix.resize(qRound(pix.width()*r), qRound(pix.height()*r));
+			// FIXME not a resize, but a shrink/enlarge is needed here...
+		}
+		if (pix.height()>max_h)
+		{
+			r=max_h / pix.height();
+			pix.resize(qRound(pix.width()*r), qRound(pix.height()*r));
+			// FIXME not a resize, but a shrink/enlarge is needed here...
+		}
+        setPixmap( pix );
+	}	
+}
+