[KPhotoAlbum] Add symlink option for export images

[Robert Krawitz]

Export by symlink is very useful for me.

Index: Utilities/Util.cpp
===================================================================
--- Utilities/Util.cpp  (revision 1185973)
+++ Utilities/Util.cpp  (working copy)
@@ -346,6 +346,14 @@
         return true;
 }
 
+bool Utilities::makeSymbolicLink( const QString& from, const QString& to )
+{
+    if (symlink(from.toLocal8Bit(), to.toLocal8Bit()) != 0)
+        return false;
+    else
+        return true;
+}
+
 bool Utilities::canReadImage( const QString& fileName )
 {
     return ! KImageIO::typeForMime( KMimeType::findByPath( fileName, 0, true )->name() ).isEmpty() ||
Index: Utilities/Util.h
===================================================================
--- Utilities/Util.h    (revision 1185973)
+++ Utilities/Util.h    (working copy)
@@ -40,6 +40,7 @@
 bool ctrlKeyDown();
 bool copy( const QString& from, const QString& to );
 void copyList( const QStringList& from, const QString& directoryTo );
+bool makeSymbolicLink( const QString& from, const QString& to );
 bool makeHardLink( const QString& from, const QString& to );
 bool runningDemo();
 void deleteDemo();
Index: ImportExport/Export.cpp
===================================================================
--- ImportExport/Export.cpp     (revision 1185973)
+++ ImportExport/Export.cpp     (working copy)
@@ -85,12 +85,14 @@
     _manually = new QRadioButton( i18n("Manual copy next to .kim file"), grp );
     _auto = new QRadioButton( i18n("Automatically copy next to .kim file"), grp );
     _link = new QRadioButton( i18n("Hard link next to .kim file"), grp );
+    _symlink = new QRadioButton( i18n("Symbolic link next to .kim file"), grp );
     _manually->setChecked( true );
 
     boxLay->addWidget( _include );
     boxLay->addWidget( _manually );
     boxLay->addWidget( _auto );
     boxLay->addWidget( _link );
+    boxLay->addWidget( _symlink );
 
     // Compress
     _compress = new QCheckBox( i18n("Compress export file"), top );
@@ -151,6 +153,7 @@
     _include->setWhatsThis( txt );
     _manually->setWhatsThis( txt );
     _link->setWhatsThis( txt );
+    _symlink->setWhatsThis( txt );
     _auto->setWhatsThis( txt );
     setHelp( QString::fromLatin1( "chp-exportDialog" ) );
 }
@@ -163,6 +166,8 @@
         return ManualCopy;
     else if ( _link->isChecked() )
         return Link;
+    else if ( _symlink->isChecked() )
+        return Symlink;
     else
         return AutoCopy;
 }
@@ -270,6 +275,8 @@
                 Utilities::copy( file, _destdir + QString::fromLatin1( "/" ) + zippedName );
             else if ( _location == Link )
                 Utilities::makeHardLink( file, _destdir + QString::fromLatin1( "/" ) + zippedName );
+            else if ( _location == Symlink )
+                Utilities::makeSymbolicLink( file, _destdir + QString::fromLatin1( "/" ) + zippedName );
 
             _steps++;
             _progressDialog->setProgress( _steps );
Index: ImportExport/Export.h
===================================================================
--- ImportExport/Export.h       (revision 1185973)
+++ ImportExport/Export.h       (working copy)
@@ -35,7 +35,7 @@
 namespace ImportExport
 {
 
-enum ImageFileLocation { Inline, ManualCopy, AutoCopy, Link };
+enum ImageFileLocation { Inline, ManualCopy, AutoCopy, Link, Symlink };
 
 class Export :public ImageManager::ImageClient {
 
@@ -89,6 +89,7 @@
     QRadioButton* _include;
     QRadioButton* _manually;
     QRadioButton* _link;
+    QRadioButton* _symlink;
     QRadioButton* _auto;
 };