backup impl

2 files changed, 121 insertions, 0 deletions

diff --git a/microkde/kapplication.cpp b/microkde/kapplication.cpp
index 80a83e0..539397b 100644
--- a/microkde/kapplication.cpp
+++ b/microkde/kapplication.cpp
@@ -31,96 +31,216 @@ QString KApplication::randomString(int length)
       str += char(r);
       // so what if I work backwards?
    }
    return str;
 }
 int KApplication::execDialog( QDialog* d )
 {
     if (QApplication::desktop()->width() <= 640 )    
         d->showMaximized();
     else
         ;//d->resize( 800, 600 );
     return d->exec();
 }
 void KApplication::showLicence()
 {
    KApplication::showFile( "KDE-Pim/Pi licence", "kdepim/licence.txt" );
 }
 
 void KApplication::testCoords( int* x, int* y, int* wid, int * hei )
 {
     int dWid = QApplication::desktop()->width() ;
     int dHei = QApplication::desktop()->height();
     if ( *x + *wid > dWid ) {
         *x = 0;
         if ( *wid > dWid )
             *wid = dWid; 
     }
     if ( *y + *hei > dHei ) {
         *y = 0;
         if ( *hei > dHei )
             *hei = dHei; 
     }
 }
 void KApplication::showFile(QString caption, QString fn)
 {
     QString text;
     QString fileName;
 #ifndef DESKTOP_VERSION
    fileName = getenv("QPEDIR");
    fileName += "/pics/" + fn ;
 #else
    fileName  = qApp->applicationDirPath () + "/" + fn;
 #endif 
     QFile file( fileName );
     if (!file.open( IO_ReadOnly ) ) {
         return ;
     } 
     QTextStream ts( &file );
     text = ts.read();
     file.close();
     KApplication::showText( caption, text );
   
 }
  
 bool KApplication::convert2latin1(QString fileName)
 {
     QString text;
     QFile file( fileName );
     if (!file.open( IO_ReadOnly ) ) {
         return false;
         
     } 
     QTextStream ts( &file );
     ts.setEncoding( QTextStream::UnicodeUTF8 );
     text = ts.read();
     file.close();  
     if (!file.open( IO_WriteOnly ) ) {
         return false;
     }
     QTextStream tsIn( &file );
     tsIn.setEncoding( QTextStream::Latin1 );
     tsIn << text.latin1();
     file.close(); 
     return true; 
  
 
 }
 void KApplication::showText(QString caption, QString text)
 {
     QDialog dia( 0, "name", true ); ;
     dia.setCaption( caption );
     QVBoxLayout* lay = new QVBoxLayout( &dia );
     lay->setSpacing( 3 );
     lay->setMargin( 3 );
     KTextEdit tb ( &dia );
     tb.setWordWrap( QMultiLineEdit::WidgetWidth );
     lay->addWidget( &tb ); 
     tb.setText( text );
 #ifdef DESKTOP_VERSION
     dia.resize( 640, 480);
 #else
     dia.showMaximized();
 #endif
     dia.exec();
 
 }
+
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qlayout.h>
+#include <qdir.h>
+#include <qradiobutton.h>
+#include <qbuttongroup.h>
+#include "kglobal.h"
+#include "klocale.h"
+
+class KBackupPrefs : public QDialog
+{
+  public:
+    KBackupPrefs( QString message , QWidget *parent=0, const char *name=0 ) :
+      QDialog( parent, name, true ) 
+    {
+        setCaption( i18n("Backup Failed!") );
+        QVBoxLayout* lay = new QVBoxLayout( this );
+        lay->setSpacing( 3 );
+        lay->setMargin( 3 );
+        QLabel * lab  = new QLabel( message, this );
+        lay->addWidget( lab ); 
+        QButtonGroup* format = new  QButtonGroup( 1, Horizontal, i18n("Choose action"), this );
+        lay->addWidget( format ); 
+        format->setExclusive ( true ) ;
+        vcal = new QRadioButton(i18n("Try again now"), format );
+        tcal = new QRadioButton(i18n("Try again later"), format );
+        ical = new QRadioButton(i18n("Try again tomorrow"), format );
+        ocal = new QRadioButton(i18n("Disable backup"), format );
+        vcal->setChecked( true );
+        QPushButton * ok = new QPushButton( i18n("OK"), this );
+        lay->addWidget(ok );
+        connect ( ok,SIGNAL(clicked() ),this , SLOT ( accept() )  );
+    }
+      
+    bool again() { return vcal->isChecked(); }
+    bool later() { return tcal->isChecked(); }
+    bool againTomorrow() { return ical->isChecked(); }
+private:
+    QRadioButton* vcal, *ical, *ocal, *tcal;
+};
+int KApplication::createBackup( QString fn, QString dp, int numBup )
+{
+    if ( numBup < 1) return 3;
+    int ret = 3;
+    qDebug("KApplication::createBackup %s --- %s --- %d", fn.latin1(), dp.latin1(), numBup);
+    QDir  bupDir ( dp );
+    bool tryAgain = true;
+    while ( tryAgain ) {
+        if ( !bupDir.exists() ) {
+            KBackupPrefs noDir( i18n("<b>Backup directory does not exist: </b>") +  dp.right(30));
+            if ( !noDir.exec() ) return 3;
+            if ( noDir.againTomorrow() ) {
+                return 0;
+            } else if ( noDir.later() ) {
+                return 3;
+            } else if ( !noDir.again() ) {
+                return 2;
+            }
+        } else {
+            tryAgain = false;
+        }
+    }
+    // we have a valid dir!
+    QStringList allFileList = bupDir.entryList(QDir::Files);
+    QFileInfo fileInfo ( fn );
+    QString fName = fileInfo.fileName ();
+    QStringList fileList;
+
+    int i;
+    for ( i = 0; i < allFileList.count(); ++i ) {
+        QString fi = allFileList[i];
+        if ( fi. find( fName ) > -1 )
+            fileList.append( fi );
+    }
+    qDebug("%d backup files exist ", fileList.count());
+    int count = fileList.count();
+    fileList.sort();
+    int remCount = 0;
+    while ( count >= numBup ) {
+        QString fnr = dp + "/"+fileList[remCount];
+        QFile::remove( fnr );
+        --count;
+        ++remCount;
+    }
+    QDateTime mRunStart =  QDateTime::currentDateTime();
+    QString file = "%1%2%3-%4%5%6-";
+    file = file.arg( mRunStart.date().year(), 4).arg( mRunStart.date().month(),2 ).arg( mRunStart.date().day(), 2 ).arg( mRunStart.time().hour(),2  ).arg( mRunStart.time().minute(),2 ).arg( mRunStart.time().second(),2 );
+    file.replace ( QRegExp (" "), "0" ); 
+    file += fName ;
+    file = dp + "/"+file;
+    QString command;
+    int res = 0;
+#ifdef _WIN32_
+    command = "xcopy "+ fn+ "  "+file;
+    command =  QDir::convertSeparators( command  ); 
+#else
+    command = "cp "+ fn+ "  "+file;
+#endif
+    qDebug("command %s ",command.latin1() );
+    tryAgain  = true; 
+    while ( tryAgain ) {
+        res = system ( command.latin1() );
+        qDebug("copy result %d ", res);
+        if ( res != 0 ) {
+            KBackupPrefs noDir( i18n("<b>The backup copy command failed!</b>"));
+            if ( !noDir.exec() ) return 3;
+            if ( noDir.againTomorrow() ) {
+                return 0;
+            } else if ( noDir.later() ) {
+                return 3;
+            } else if ( !noDir.again() ) {
+                return 2;
+            }
+        } else {
+            tryAgain = false;
+        }
+    }
+    return 1;
+}
diff --git a/microkde/kapplication.h b/microkde/kapplication.h
index f7eb1ef..de5a084 100644
--- a/microkde/kapplication.h
+++ b/microkde/kapplication.h
@@ -1,31 +1,32 @@
 #ifndef MINIKDE_KAPPLICATION_H
 #define MINIKDE_KAPPLICATION_H
 
 #include "qstring.h"
 #include <qdialog.h>
 #ifdef QDialog 
 #undef  QDialog 
 #endif
 
 class KApplication
 {
   public:
     static int random();
 
 //US
   /**
    * Generates a random string.  It operates in the range [A-Za-z0-9]
    * @param length Generate a string of this length.
    * @return the random string
    */
   static QString randomString(int length);
   static int execDialog( QDialog* ); 
   static void showLicence(); 
   static void testCoords( int* x, int* y, int* wid, int * hei ); 
   static void showFile(QString caption, QString file); 
   static void showText(QString caption, QString text); 
   static bool convert2latin1(QString file); 
+  static int createBackup( QString fn, QString dp, int numBup );
 };
 
 
 #endif