project.cpp

来自「qt-x11-free-3.0.3.tar.gz minigui图形界面工具」· C++ 代码 · 共 1,160 行 · 第 1/2 页

/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "project.h"
#include "formwindow.h"
#include "config.h"
#include "designerappiface.h"
#include "../interfaces/languageinterface.h"
#include "pixmapcollection.h"
#ifndef QT_NO_SQL
#include "dbconnectionimpl.h"
#endif

#include <qfile.h>
#include <qtextstream.h>
#include <qurl.h>
#include <qobjectlist.h>
#include <qfeatures.h>
#include <qtextcodec.h>
#include <qdom.h>
#include <qmessagebox.h>
#include <qapplication.h>
#include "mainwindow.h"

#ifndef QT_NO_SQL
#include <qsqldatabase.h>
#include <qsqlrecord.h>
#include <qdatatable.h>
#endif


#ifndef QT_NO_SQL
DatabaseConnection::~DatabaseConnection()
{
    delete iface;
}

bool DatabaseConnection::refreshCatalog()
{
#ifndef QT_NO_SQL
    if ( loaded )
	return TRUE;
    if ( !open() )
	return FALSE;
    tbls = conn->tables();
    flds.clear();
    for ( QStringList::Iterator it = tbls.begin(); it != tbls.end(); ++it ) {
	QSqlRecord fil = conn->record( *it );
	QStringList lst;
	for ( uint j = 0; j < fil.count(); ++j )
	    lst << fil.field( j )->name();
	flds.insert( *it, lst );
    }
    loaded = TRUE;
    conn->close();
    return loaded;
#else
    return FALSE;
#endif
}

#ifndef QT_NO_SQL
void DatabaseConnection::remove()
{
    if ( nm == "(default)" )
	QSqlDatabase::removeDatabase( QSqlDatabase::defaultConnection );
    else
	QSqlDatabase::removeDatabase( nm );
    // the above will effectively delete the current connection
    conn = 0;
}
#endif

bool DatabaseConnection::open( bool suppressDialog )
{
#ifndef QT_NO_SQL
    // register our name, if nec
    if ( nm == "(default)" ) {
	if ( !QSqlDatabase::contains() ) // default doesn't exists?
	    conn = QSqlDatabase::addDatabase( drv );
	else
	    conn = QSqlDatabase::database();
    } else {
	if ( !QSqlDatabase::contains( nm ) )
	    conn = QSqlDatabase::addDatabase( drv, nm );
	else
	    conn = QSqlDatabase::database( nm );
    }
    conn->setDatabaseName( dbName );
    conn->setUserName( uname );
    conn->setPassword( pword );
    conn->setHostName( hname );
    conn->setPort( prt );
    bool success = conn->open();
    for( ; suppressDialog == FALSE ; ) {
	bool done = FALSE;
	if ( !success ) {
	    DatabaseConnectionEditor dia( this, 0  , 0 , TRUE );
	    switch( dia.exec() ) {
	    case QDialog::Accepted:
		done = FALSE;
		break;
	    case QDialog::Rejected:
		done = TRUE;
		break;
	    }
	}
	if ( done )
	    break;
	conn->setUserName( uname );
	conn->setPassword( pword );
	conn->setHostName( hname );
	conn->setPort( prt );
	success = conn->open();
	if ( !success ) {
	    switch( QMessageBox::warning( MainWindow::self, QApplication::tr( "Connection" ),
					  QApplication::tr( "Could not connect to the database.\n"
							    "Press 'OK' to continue or 'Cancel' to "
							    "specify different\nconnection information.\n" )
					  + QString( "[" + conn->lastError().driverText() + "\n" +
						     conn->lastError().databaseText() + "]\n" ),
					  QApplication::tr( "&OK" ),
					  QApplication::tr( "&Cancel" ), 0, 0, 1 ) ) {
	    case 0: // OK or Enter
		continue;
	    case 1: // Cancel or Escape
		done = TRUE;
		break;
	    }
	} else
	    break;
	if ( done )
	    break;
    }
    if ( !success ) {
	dbErr = conn->lastError().driverText() + "\n" + conn->lastError().databaseText();
	remove();
    }
    return success;
#else
    return FALSE;
#endif
}

void DatabaseConnection::close()
{
    if ( !loaded )
	return;
#ifndef QT_NO_SQL
    if ( conn ) {
	conn->close();
    }
#endif
}

DesignerDatabase *DatabaseConnection::iFace()
{
    if ( !iface )
	iface = new DesignerDatabaseImpl( this );
    return iface;
}

#endif

////////

bool Project::isDummy() const
{
    return isDummyProject;
}

Project::Project( const QString &fn, const QString &pName, QPluginManager<ProjectSettingsInterface> *pm, bool isDummy  )
    : proName( pName ), projectSettingsPluginManager( pm ), isDummyProject( isDummy )
{
    modified = TRUE;
    pixCollection = new PixmapCollection( this );
    iface = 0;
    lang = "C++";
    cfg.insert( "(all)", "qt warn_on release" );
    templ = "app";
    setFileName( fn );
    if ( !pName.isEmpty() )
	proName = pName;
    sourcefiles.setAutoDelete( TRUE );
    modified = FALSE;
}

Project::~Project()
{
    delete iface;
    delete pixCollection;
}

void Project::setModified( bool b )
{
    modified = b;
    emit projectModified();
}

#ifndef QT_NO_SQL
DatabaseConnection *Project::databaseConnection( const QString &name )
{
    for ( DatabaseConnection *conn = dbConnections.first();
	  conn;
	  conn = dbConnections.next() ) {
	if ( conn->name() == name )
	    return conn;
    }
    return 0;
}
#endif

void Project::setFileName( const QString &fn, bool doClear )
{
    if ( fn == filename )
	return;
    filename = fn;

    if ( !filename.endsWith( ".pro" ) )
	filename += ".pro";
    proName = filename;

    if ( proName.contains( '.' ) )
	proName = proName.left( proName.find( '.' ) );

    if ( !doClear )
	return;
    clear();
    if ( QFile::exists( fn ) )
	parse();
}

QString Project::fileName() const
{
    return filename;
}

QString Project::databaseDescription() const
{
    return dbFile;
}

QString Project::projectName() const
{
    return proName;
}

static QString parse_part( const QString &part )
{
    QString res;
    bool inName = FALSE;
    QString currName;
    for ( int i = 0; i < (int)part.length(); ++i ) {
	QChar c = part[ i ];
	if ( !inName ) {
	    if ( c != ' ' && c != '\t' && c != '\n' && c != '=' && c != '\\' && c != '+' )
		inName = TRUE;
	    else
		continue;
	}
	if ( inName ) {
	    if ( c == '\n' )
		break;
	    res += c;
	}
    }
    return res;
}

QStringList parse_multiline_part( const QString &contents, const QString &key, int *start = 0 )
{
    if ( start )
	*start = -1;
    QString lastWord;
    int braceCount = 0;
    for ( int i = 0; i < (int)contents.length(); ++i ) {
	QChar c( contents[ i ] );
	switch ( c ) {
	case '{':
	    braceCount++;
	    lastWord = "";
	    break;
	case '}':
	    braceCount--;
	    lastWord = "";
	    break;
	case ' ': case '\t': case '\\': case '\n':
	    lastWord = "";
	    break;
	default:
	    lastWord += c;
	}
	
	// ### we should read the 'bla { SOURCES= ... }' stuff as well (braceCount > 0)
	if ( lastWord == key && braceCount == 0 ) {
	    if ( start )
		*start = i - lastWord.length() + 1;
	    QStringList lst;
	    bool inName = FALSE;
	    QString currName;
	    bool hadEqual = 0;
	    for ( ; i < (int)contents.length(); ++i ) {
		c = contents[ i ];
		if ( !hadEqual && c != '=' )
		    continue;
		hadEqual = TRUE;
		if ( ( c.isLetter() || c.isDigit() || c == '.' || c == '/' || c == '_' || c == '\\' ||
		       c == '$' || c == '-' || c == '(' || c == ')' || c == ':'  || c == '+' || c == ',' ) &&
		     c != ' ' && c != '\t' && c != '\n' && c != '=' ) {
		    if ( !inName )
			currName = QString::null;
		    currName += c;
		    inName = TRUE;
		} else {
		    if ( inName ) {
			inName = FALSE;
			if ( currName.simplifyWhiteSpace() != "\\" )
			    lst.append( currName );
		    }
		    if ( c == '\n' && i > 0 && contents[ (int)i - 1 ] != '\\' )
			break;
		}
	    }
	    return lst;
	}
    }

    return QStringList();
}

void Project::parse()
{
    QFile f( filename );
    if ( !f.exists() || !f.open( IO_ReadOnly ) )
	return;
    QTextStream ts( &f );
    QString contents = ts.read();
    f.close();

    proName = QFileInfo( filename ).baseName();

    QStringList::ConstIterator it;

    int i = contents.find( "LANGUAGE" );
    if ( i != -1 ) {
	lang = "";
	QString part = contents.mid( i + QString( "LANGUAGE" ).length() );
	lang = parse_part( part );
    }

    i = contents.find( "DBFILE" );
    if ( i != -1 ) {
	dbFile = "";
	QString part = contents.mid( i + QString( "DBFILE" ).length() );
	dbFile = parse_part( part );
    }

    QStringList uifiles = parse_multiline_part( contents, "FORMS" );
    uifiles += parse_multiline_part( contents, "INTERFACES" ); // compatibility
    for ( it = uifiles.begin(); it != uifiles.end(); ++it )
	(void) new FormFile( *it, FALSE, this );


    i = contents.find( "TEMPLATE" );
    if ( i != -1 ) {
	templ = "";
	QString part = contents.mid( i + QString( "TEMPLATE" ).length() );
	templ = parse_part( part );
    }

    readPlatformSettings( contents, "CONFIG", cfg );
    readPlatformSettings( contents, "LIBS", lbs );
    readPlatformSettings( contents, "INCLUDEPATH", inclPath );
    readPlatformSettings( contents, "DEFINES", defs );

    LanguageInterface *iface = MetaDataBase::languageInterface( lang );
    if ( iface ) {
	QStringList sourceKeys;
	iface->sourceProjectKeys( sourceKeys );
	for ( QStringList::Iterator it = sourceKeys.begin(); it != sourceKeys.end(); ++it ) {
	    QStringList lst = parse_multiline_part( contents, *it );
	    for ( QStringList::Iterator it = lst.begin(); it != lst.end(); ++it )
		(void) new SourceFile( *it, FALSE, this );
	}
    }

    updateCustomSettings();

    for ( it = csList.begin(); it != csList.end(); ++it ) {
	i = contents.find( *it );
	if ( i != -1 ) {
	    QString val = "";
	    QString part = contents.mid( i + QString( *it ).length() );
	    val = parse_part( part );
	    customSettings.replace( *it, val );
	}
    }

    loadConnections();

    QStringList images = parse_multiline_part( contents, "IMAGES" );

    // ### remove that for the final - this is beta-compatibility
    if ( images.isEmpty() && QDir( QFileInfo( filename ).dirPath( TRUE ) + "/images" ).exists() ) {
	    images = QDir( QFileInfo( filename ).dirPath( TRUE ) + "/images" ).entryList();
	    for ( int i = 0; i < (int)images.count(); ++i )
		images[ i ].prepend( "images/" );
	    modified = TRUE;
    }

    for ( QStringList::ConstIterator pit = images.begin(); pit != images.end(); ++pit )
	pixCollection->load( *pit );
}

void Project::clear()
{
    dbFile = "";
    proName = "unnamed";
    desc = "";
}

bool Project::removeSourceFile( SourceFile *sf )
{
    if ( !sourcefiles.containsRef( sf ) )
	return FALSE;
    if ( !sf->close() )
	return FALSE;
    sourcefiles.removeRef( sf );
    modified = TRUE;
    emit sourceFileRemoved( sf );
    return TRUE;
}

void Project::setDatabaseDescription( const QString &db )
{
    dbFile = db;
}

void Project::setDescription( const QString &s )
{
    desc = s;
}

QString Project::description() const
{
    return desc;
}


bool Project::isValid() const
{
     // #### do more checking here?
    if ( filename.isEmpty() || proName.isEmpty() )
	return FALSE;

    return TRUE;
}

QString Project::makeAbsolute( const QString &f )
{
    if ( isDummy() )
	return f;
    QUrl u( QFileInfo( filename ).dirPath( TRUE ), f );
    return u.path();
}

QString Project::makeRelative( const QString &f )
{
    if ( isDummy() )
	return f;
    QString p = QFileInfo( filename ).dirPath( TRUE );
    QString f2 = f;
    if ( f2.left( p.length() ) == p )
	f2.remove( 0, p.length() + 1 );
    return f2;
}

static void remove_contents( QString &contents, const QString &s )
{
    int i = contents.find( s );
    if ( i != -1 ) {
	int start = i;
	int end = contents.find( '\n', i );
	if ( end == -1 )
	    end = contents.length() - 1;
	contents.remove( start, end - start + 1 );
    }
}

static void remove_multiline_contents( QString &contents, const QString &s, int *strt = 0 )
{
    int i;
    parse_multiline_part( contents, s, &i );
    if ( strt )
	*strt = i;
    int start = i;
    bool lastWasBackspash = FALSE;
    if ( i != -1 && ( i == 0 || contents[ i - 1 ] != '{' || contents[ i - 1 ] != ':' ) ) {
	for ( ; i < (int)contents.length(); ++i ) {
	    if ( contents[ i ] == '\n' && !lastWasBackspash )
		break;
	    lastWasBackspash = ( contents[ i ] == '\\' ||
				 lastWasBackspash && ( contents[ i ] == ' ' || contents[ i ] == '\t' ) );
	}
	contents.remove( start, i - start + 1 );
    }
}

void Project::save( bool onlyProjectFile )
{
    if ( !onlyProjectFile ) {
	for ( SourceFile *sf = sourcefiles.first(); sf; sf = sourcefiles.next() ) {
	    if ( !sf->save() )
		return;
	}

	for ( FormFile *ff = formfiles.first(); ff; ff = formfiles.next() ) {
	    if ( !ff->save() )
		return;
	}
    }

    if ( isDummy() || filename.isEmpty() )
	return;

    if ( !modified )
 	return;

    QFile f( filename );
    QString contents;
    if ( f.open( IO_ReadOnly ) ) {
	QTextStream ts( &f );
	contents = ts.read();
	f.close();
    } else {
	// initial contents
	contents =
	    "unix {\n"
	    "  UI_DIR = .ui\n"
	    "  MOC_DIR = .moc\n"
	    "  OBJECTS_DIR = .obj\n"
	    "}\n";
    }

    remove_multiline_contents( contents, "FORMS" );
    remove_multiline_contents( contents, "INTERFACES" ); // compatibility

    if ( !formfiles.isEmpty() ) {
	contents += "FORMS\t= ";
	for ( QPtrListIterator<FormFile> fit = formfiles;
	      fit.current(); ++fit )
	    contents += fit.current()->fileName() + " ";
	contents += "\n";
    }

    remove_multiline_contents( contents, "IMAGES" );
    if ( !pixCollection->isEmpty() ) {
	contents += "IMAGES\t= ";
	QValueList<PixmapCollection::Pixmap> pixmaps = pixCollection->pixmaps();
	for ( QValueList<PixmapCollection::Pixmap>::Iterator it = pixmaps.begin(); it != pixmaps.end(); ++it )
	    contents += makeRelative( (*it).absname ) + " ";
	contents += "\n";
    }