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/*
This file is part of Kung.
Copyright (c) 2005 Tobias Koenig <tokoe@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <kfiledialog.h>
#include <kio/netaccess.h>
#include <kmdcodec.h>
#include <kmessagebox.h>
#include <kmimemagic.h>
#include <klocale.h>
#include <kparts/part.h>
#include <kparts/componentfactory.h>
#include <ktempfile.h>
#include <tqfile.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqpushbutton.h>
#include <tqwidget.h>
#include <schema/simpletype.h>
#include "binaryinputfield.h"
BinaryInputField::BinaryInputField( const TQString &name, const TQString &typeName, const Schema::SimpleType *type )
: SimpleInputField( name, type ),
mValue( 0 ), mTypeName( typeName )
{
}
void BinaryInputField::setXMLData( const TQDomElement &element )
{
if ( mName != element.tagName() ) {
qDebug( "BinaryInputField: Wrong dom element passed: expected %s, got %s", mName.latin1(), element.tagName().latin1() );
return;
}
setData( element.text() );
}
void BinaryInputField::xmlData( TQDomDocument &document, TQDomElement &parent )
{
TQDomElement element = document.createElement( mName );
element.setAttribute( "xsi:type", "xsd:" + mTypeName );
TQDomText text = document.createTextNode( data() );
element.appendChild( text );
parent.appendChild( element );
}
void BinaryInputField::setData( const TQString &data )
{
KCodecs::base64Decode( data.utf8(), mValue );
}
TQString BinaryInputField::data() const
{
TQByteArray data = KCodecs::base64Encode( mValue, false );
return TQString::fromUtf8( data.data(), data.size() );
}
TQWidget *BinaryInputField::createWidget( TQWidget *parent )
{
mInputWidget = new BinaryWidget( parent );
if ( !mValue.isEmpty() )
mInputWidget->setData( mValue );
return mInputWidget;
}
void BinaryInputField::valueChanged( const TQByteArray &value )
{
mValue = value;
emit modified();
}
BinaryWidget::BinaryWidget( TQWidget *parent )
: TQWidget( parent, "BinaryWidget" ),
mMainWidget( 0 )
{
mLayout = new TQGridLayout( this, 3, 2, 11, 6 );
mLoadButton = new TQPushButton( i18n( "Load..." ), this );
mSaveButton = new TQPushButton( i18n( "Save..." ), this );
mSaveButton->setEnabled( false );
mLayout->addWidget( mLoadButton, 0, 1 );
mLayout->addWidget( mSaveButton, 1, 1 );
connect( mLoadButton, TQT_SIGNAL( clicked() ), TQT_SLOT( load() ) );
connect( mSaveButton, TQT_SIGNAL( clicked() ), TQT_SLOT( save() ) );
}
void BinaryWidget::setData( const TQByteArray &data )
{
KMimeMagic magic;
TQString mimetype;
delete mMainWidget;
KMimeMagicResult *result = magic.findBufferType( data );
if ( result->isValid() )
mimetype = result->mimeType();
if ( !mimetype.isEmpty() ) {
KParts::ReadOnlyPart *part = KParts::ComponentFactory::createPartInstanceFromQuery<KParts::ReadOnlyPart>( mimetype, TQString(), this, 0, this, 0 );
if ( part ) {
KTempFile file;
file.file()->writeBlock( data );
file.close();
part->openURL( KURL( file.name() ) );
mMainWidget = part->widget();
} else {
mMainWidget = new TQLabel( i18n( "No part found for visualization of mimetype %1" ).tqarg( mimetype ), this );
}
mData = data;
mSaveButton->setEnabled( true );
} else {
mMainWidget = new TQLabel( i18n( "Got data of unknown mimetype" ), this );
}
mLayout->addMultiCellWidget( mMainWidget, 0, 2, 0, 0 );
mMainWidget->show();
}
void BinaryWidget::load()
{
KURL url = KFileDialog::getOpenURL( TQString(), TQString(), this );
if ( url.isEmpty() )
return;
TQString tempFile;
if ( KIO::NetAccess::download( url, tempFile, this ) ) {
TQFile file( tempFile );
if ( !file.open( IO_ReadOnly ) ) {
KMessageBox::error( this, i18n( "Unable to open file %1" ).tqarg( url.url() ) );
return;
}
TQByteArray data = file.readAll();
setData( data );
file.close();
KIO::NetAccess::removeTempFile( tempFile );
emit valueChanged( data );
} else
KMessageBox::error( this, KIO::NetAccess::lastErrorString() );
}
void BinaryWidget::save()
{
KURL url = KFileDialog::getSaveURL( TQString(), TQString(), this );
if ( url.isEmpty() )
return;
KTempFile tempFile;
tempFile.file()->writeBlock( mData );
tempFile.close();
if ( !KIO::NetAccess::upload( tempFile.name(), url, this ) )
KMessageBox::error( this, KIO::NetAccess::lastErrorString() );
}
#include "binaryinputfield.moc"
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