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Diffstat (limited to 'kpovmodeler/pmlibraryhandle.cpp')
| -rw-r--r-- | kpovmodeler/pmlibraryhandle.cpp | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/kpovmodeler/pmlibraryhandle.cpp b/kpovmodeler/pmlibraryhandle.cpp new file mode 100644 index 00000000..7902f789 --- /dev/null +++ b/kpovmodeler/pmlibraryhandle.cpp @@ -0,0 +1,395 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2003 by Luis Carvalho + email : lpassos@oninetspeed.pt +************************************************************************** + +************************************************************************** +* * +* 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 "pmlibraryhandle.h" +#include "pmlibraryobject.h" + +#include <stdlib.h> +#include <unistd.h> + +#include <qdir.h> +#include <qfile.h> +#include <qdom.h> +#include <qtextstream.h> +#include <qimage.h> + +#include <klocale.h> +#include <kmessagebox.h> +#include <kstandarddirs.h> + +#include "pmdebug.h" + +PMLibraryHandle::PMLibraryHandle( ) +{ + setPath( "" ); + setAuthor( i18n( "Unknown" ) ); + setName( i18n( "Unknown" ) ); + m_readOnly = false; + m_objects.setAutoDelete( true ); + m_libraries.setAutoDelete( true ); +} + +PMLibraryHandle::PMLibraryHandle( const QString& path ) +{ + setPath( path ); + setAuthor( i18n( "Unknown" ) ); + setName( i18n( "Unknown" ) ); + m_objects.setAutoDelete( true ); + m_libraries.setAutoDelete( true ); + loadLibraryInfo( ); +} + +PMLibraryHandle::~PMLibraryHandle( ) +{ +} + +void PMLibraryHandle::setName( const QString& name ) +{ + m_name = name; +} + +void PMLibraryHandle::setPath( const QString& path ) +{ + m_objects.clear( ); + m_path = path; +} + +void PMLibraryHandle::setAuthor( const QString& author ) +{ + m_author = author; +} + +void PMLibraryHandle::setDescription( const QString& description ) +{ + m_description = description; +} + +void PMLibraryHandle::setReadOnly( const bool rdOnly ) +{ + m_readOnly = rdOnly; +} + +void PMLibraryHandle::loadLibraryInfo( ) +{ + // 1. Open the information file (library_index.xml) + QFile file( m_path + "/library_index.xml" ); + + if( !file.open( IO_ReadOnly ) ) + { + kdError( PMArea ) << "Could not find the library index." << endl; + return; + } + + // 2. Read the information + QDomDocument doc( "KPOVLIBINDEX" ); + doc.setContent( &file ); + + QDomElement e = doc.documentElement( ); + + if( e.tagName( ) != "library" ) + { + kdError( PMArea ) << "This doesn't appear to be a library index." << endl; + return; + } + + // 3. The library entry + setName( e.attribute( "name", i18n( "Unknown" ) ) ); + setAuthor( e.attribute( "author", i18n( "Unknown" ) ) ); + setDescription( e.attribute( "description", "" ) ); + if( e.attribute( "readonly", "false" ) == "false" ) + m_readOnly = false; + else + m_readOnly = true; + + if( e.attribute( "sublibrary", "false" ) == "false" ) + m_subLibrary = false; + else + m_subLibrary = true; + + // 4. The object entries + QDomNode n = e.firstChild( ); + if( !n.isNull( ) ) + { + if( n.isElement( ) ) + { + QDomElement c = n.toElement( ); + if( c.tagName( ) == "object_list" ) + { + n = n.firstChild( ); + while( !n.isNull( ) ) + { + c = n.toElement( ); + if( c.tagName( ) == "object_entry" ) + { + m_objects.insert( c.attribute( "name", i18n( "Unknown" ) ), + new QString( c.attribute( "file", "" ) ) ); + } + else if( c.tagName( ) == "library_entry" ) + { + m_libraries.insert( c.attribute( "name", i18n( "Unknown" ) ), + new QString( c.attribute( "file", "" ) ) ); + } + n = n.nextSibling( ); + } + } + } + } +} + +PMLibraryHandle::PMResult PMLibraryHandle::createLibrary( ) +{ + // Test if the library exists. + QDir d( m_path ); + + if( !d.exists( ) ) + { + // If it doesn't, create it + if( !d.mkdir( m_path ) ) + { + return PMLibraryHandle::CouldNotCreateDir; + } + } + else + { + return PMLibraryHandle::ExistingDir; + } + + return saveLibraryInfo( ); +} + +PMLibraryHandle::PMResult PMLibraryHandle::saveLibraryInfo( ) +{ + // Save the information to the index + QFile file( m_path + "/library_index.xml" ); + if( !file.open( IO_WriteOnly ) ) + { + return PMLibraryHandle::CouldNotCreateInfo; + } + + // Create the XML DOM tree + QDomDocument doc( "KPOVLIBINDEX" ); + QDomElement e = doc.createElement( "library" ); + e.setAttribute( "name", name( ) ); + e.setAttribute( "author", author( ) ); + e.setAttribute( "description", description( ) ); + if( m_readOnly ) + e.setAttribute( "readonly", "true" ); + else + e.setAttribute( "readonly", "false" ); + + if( m_subLibrary ) + e.setAttribute( "sublibrary", "true" ); + else + e.setAttribute( "sublibrary", "false" ); + + // Add the object list to the tree + QDomElement l = doc.createElement( "object_list" ); + for(QDictIterator<QString> it( m_objects ); it.current( ); ++it ) + { + QDomElement n = doc.createElement( "object_entry" ); + n.setAttribute( "name", it.currentKey( ) ); + n.setAttribute( "file", *( it.current( ) ) ); + l.appendChild( n ); + } + for(QDictIterator<QString> it( m_libraries ); it.current( ); ++it ) + { + QDomElement n = doc.createElement( "library_entry" ); + n.setAttribute( "name", it.currentKey( ) ); + n.setAttribute( "file", *( it.current( ) ) ); + l.appendChild( n ); + } + e.appendChild( l ); + doc.appendChild( e ); + + // Save to the file + QTextStream str( &file ); + str.setEncoding( QTextStream::UnicodeUTF8 ); + str << doc.toString( ); + file.close( ); + + return PMLibraryHandle::Ok; +} + +PMLibraryHandle::PMResult PMLibraryHandle::createNewObject( ) +{ + /// @todo Need to replace mkdtemp and mkstemps before enabling libs + return PMLibraryHandle::CouldNotCreateFile; + /* + PMLibraryObject aux; + QCString s = m_path.latin1( ); + QString unknownIcon = locate( "data" , "kpovmodeler/questionmark.png" ); + QImage img; + int fh; + + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + aux.setName( i18n( "Empty" ) ); + aux.setObjects( QByteArray( ) ); + img.load( unknownIcon, "PNG" ); + aux.setPreview( img ); + + s = s + "/objXXXXXX.kpml"; + if( ( fh = mkstemps( s.data( ), 5 ) ) < 0 ) + { + // Ooops! Error creating the file. + return PMLibraryHandle::CouldNotCreateFile; + } + + // Success creating the file + close( fh ); + m_objects.insert( i18n( "Empty" ), new QString( s ) ); + aux.save( s ); + saveLibraryInfo( ); + return PMLibraryHandle::Ok; + */ +} + +PMLibraryHandle::PMResult PMLibraryHandle::addObject( const QString& path, const QString& name ) +{ + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + m_objects.insert( name, new QString( path ) ); + saveLibraryInfo( ); + return PMLibraryHandle::Ok; +} + +PMLibraryHandle::PMResult PMLibraryHandle::deleteObject( const QString& objectName ) +{ + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + if( !m_objects.remove( objectName ) ) + { + PMLibraryHandle::EntryIterator itr( m_objects ); + for( ; itr.current( ); ++itr ) + { + if( *(itr.current( )) == objectName ) + { + m_objects.remove( itr.currentKey( ) ); + saveLibraryInfo( ); + return PMLibraryHandle::Ok; + } + } + } + return PMLibraryHandle::NotInLib; +} + +PMLibraryHandle::PMResult PMLibraryHandle::createNewSubLibrary( const QString /*subLibName*/ ) +{ + /// @todo Need to replace mkdtemp and mkstemps before enabling libs + return PMLibraryHandle::CouldNotCreateFile; + /* + char* dirname; + QCString s = m_path.latin1( ); + PMLibraryHandle aux; + + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + if( m_libraries.find( subLibName ) ) + return PMLibraryHandle::ExistingDir; + + s = s+ "/libXXXXXX"; + if ( !( dirname = mkdtemp( s.data( ) ) ) ) + { + // Ooops! Error creating the file. + return PMLibraryHandle::CouldNotCreateFile; + } + + aux.setName( subLibName ); + aux.setAuthor( author( ) ); + aux.setPath( dirname ); + aux.saveLibraryInfo( ); + m_libraries.insert( subLibName, new QString( dirname ) ); + saveLibraryInfo( ); + return PMLibraryHandle::Ok; + */ +} + +PMLibraryHandle::PMResult PMLibraryHandle::addSubLibrary( const QString& path, const QString& subLibName ) +{ + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + m_libraries.insert( subLibName, new QString( path ) ); + saveLibraryInfo( ); + return PMLibraryHandle::Ok; +} + +PMLibraryHandle::PMResult PMLibraryHandle::deleteSubLibrary( const QString& subLibName ) +{ + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + if( !m_libraries.remove( subLibName ) ) + { + PMLibraryHandle::EntryIterator itr( m_libraries ); + for( ; itr.current( ); ++itr ) + { + if( *(itr.current( )) == subLibName ) + { + m_libraries.remove( itr.currentKey( ) ); + saveLibraryInfo( ); + return PMLibraryHandle::Ok; + } + } + } + return PMLibraryHandle::NotInLib; +} + +PMLibraryHandle::PMResult PMLibraryHandle::changeParentLibrary( const QString& parentPath ) +{ + if( m_readOnly ) + return PMLibraryHandle::ReadOnlyLib; + + QString newPath = parentPath + "/" + m_path.section( '/', -1 ); + PMLibraryHandle::EntryIterator itr( m_libraries ); + for( ; itr.current( ); ++itr ) + { + PMLibraryHandle lib = PMLibraryHandle( *itr.current( ) ); + lib.changeParentLibrary( newPath ); + m_libraries.replace( itr.currentKey( ), new QString( newPath + "/" + lib.path( ) ) ); + } + + PMLibraryHandle::EntryIterator objItr( m_objects ); + for( ; objItr.current( ); ++objItr ) + { + QString test = newPath + "/" + objItr.current( )->section( '/', -1 ); + m_objects.replace( objItr.currentKey( ), new QString( newPath + "/" + objItr.current( )->section( '/', -1 ) ) ); + } + + saveLibraryInfo( ); + m_path = newPath; + return PMLibraryHandle::Ok; +} + +PMLibraryHandle::EntryIterator* PMLibraryHandle::createObjectIterator( ) +{ + return new EntryIterator( m_objects ); +} + +PMLibraryHandle::EntryIterator* PMLibraryHandle::createSubLibraryIterator( ) +{ + return new EntryIterator( m_libraries ); +} + +void PMLibraryHandle::setSubLibrary( bool isSubLibrary ) +{ + m_subLibrary = isSubLibrary; +} |