void Dropper::handleInternalDrag( QDropEvent* dropEvent, AbstractByteArrayView* sourceByteArrayView )
{
// get drag origin
AddressRange selection = sourceByteArrayView->tableRanges()->removeSelection();
ByteArrayTableCursor* tableCursor = mByteArrayView->tableCursor();
AbstractByteArrayModel* byteArrayModel = mByteArrayView->byteArrayModel();
Address insertIndex = tableCursor->realIndex();
// is this a move?
if( dropEvent->proposedAction() == Qt::MoveAction )
{
// ignore the copy hold in the event but only move
Address newCursorIndex;
// need to swap?
if( selection.end() < insertIndex )
{
newCursorIndex = insertIndex;
const Address firstIndex = selection.start();
selection.set( selection.nextBehindEnd(), insertIndex-1 );
insertIndex = firstIndex;
}
else
newCursorIndex = insertIndex + selection.width();
const bool success = byteArrayModel->swap( insertIndex, selection );
if( success )
{
tableCursor->gotoCIndex( newCursorIndex );
emit mByteArrayView->cursorPositionChanged( tableCursor->realIndex() );
}
}
// is a copy
else
{
// TODO: should this be a method of AbstractByteArrayModel, to reuse piece data?
// get data
const QByteArray data =
dropEvent->mimeData()->data( QLatin1String(DropperOctetStreamFormatName) );
if( !data.isEmpty() )
{
if( mByteArrayView->isOverwriteMode() )
{
const Size length = mByteArrayView->layout()->length();
if( !tableCursor->isBehind() && length > 0 )
{
AddressRange overwriteRange = AddressRange::fromWidth( insertIndex, data.size() );
overwriteRange.restrictEndTo( length-1 );
if( overwriteRange.isValid() )
byteArrayModel->replace( overwriteRange, reinterpret_cast<const Byte*>(data.constData()), overwriteRange.width() );
}
}
else
byteArrayModel->insert( insertIndex, reinterpret_cast<const Byte*>(data.constData()), data.size() );
}
}
}
void AddressRangeTest::testSplitAtLocal()
{
AddressRange addressRange( Start, End );
// split at start
AddressRange splitAddressRange = addressRange.splitAtLocal( 0 );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Start );
QCOMPARE( splitAddressRange.end(), End );
// split at one after start
addressRange.set( Start, End );
splitAddressRange = addressRange.splitAtLocal( 1 );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Start );
QCOMPARE( splitAddressRange.start(), Start+1 );
QCOMPARE( splitAddressRange.end(), End );
// split at mid
const Address Mid = Width/2;
addressRange.set( Start, End );
splitAddressRange = addressRange.splitAtLocal( Mid );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Start+Mid-1 );
QCOMPARE( splitAddressRange.start(), Start+Mid );
QCOMPARE( splitAddressRange.end(), End );
// split at one before end
addressRange.set( Start, End );
splitAddressRange = addressRange.splitAtLocal( Width-1 );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), End-1 );
QCOMPARE( splitAddressRange.start(), End );
QCOMPARE( splitAddressRange.end(), End );
// split at start so the split is the full
addressRange.set( Start, End );
splitAddressRange = addressRange.splitAtLocal( Width );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), End );
QVERIFY( !splitAddressRange.isValid() );
}
void AddressRangeTest::testRemoveLocal()
{
const Address Mid = Width/2;
AddressRange addressRange( Start, End );
// remove none at start
AddressRange removeAddressRange( 0, 0-1 );
AddressRange splitAddressRange = addressRange.removeLocal( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Start );
QCOMPARE( splitAddressRange.end(), End );
// remove one at start
addressRange.set( Start, End );
removeAddressRange.set( 0, 0 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Start+1 );
QCOMPARE( splitAddressRange.end(), End );
// remove many at start
addressRange.set( Start, End );
removeAddressRange.set( 0, Mid );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Start+Mid+1 );
QCOMPARE( splitAddressRange.end(), End );
// remove all except last
addressRange.set( Start, End );
removeAddressRange.set( 0, Width-2 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), End );
QCOMPARE( splitAddressRange.end(), End );
// remove at mid
addressRange.set( Start, End );
removeAddressRange.set( Mid-1, Mid+1 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Start+Mid-2 );
QCOMPARE( splitAddressRange.start(), Start+Mid+2 );
QCOMPARE( splitAddressRange.end(), End );
// remove none at end
addressRange.set( Start, End );
removeAddressRange.set( Width, Width-1 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), End );
QVERIFY( !splitAddressRange.isValid() );
// remove one at end
addressRange.set( Start, End );
removeAddressRange.set( Width-1, Width-1 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), End-1 );
QVERIFY( !splitAddressRange.isValid() );
// remove many at end
addressRange.set( Start, End );
removeAddressRange.set( Mid, Width-1 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Start+Mid-1 );
QVERIFY( !splitAddressRange.isValid() );
// remove all except first
addressRange.set( Start, End );
removeAddressRange.set( 1, Width-1 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Start );
QVERIFY( !splitAddressRange.isValid() );
// remove all
addressRange.set( Start, End );
removeAddressRange.set( 0, Width-1 );
splitAddressRange = addressRange.removeLocal( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QVERIFY( !splitAddressRange.isValid() );
}
void AddressRangeTest::testRemove()
{
const Address Mid = (Start+End)/2;
AddressRange addressRange( Start, End );
// remove none at start
AddressRange removeAddressRange( Start, Start-1 );
AddressRange splitAddressRange = addressRange.remove( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Start );
QCOMPARE( splitAddressRange.end(), End );
// remove one at start
addressRange.set( Start, End );
removeAddressRange.set( Start, Start );
splitAddressRange = addressRange.remove( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Start+1 );
QCOMPARE( splitAddressRange.end(), End );
// remove many at start
addressRange.set( Start, End );
removeAddressRange.set( Start, Mid );
splitAddressRange = addressRange.remove( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), Mid+1 );
QCOMPARE( splitAddressRange.end(), End );
// remove all except last
addressRange.set( Start, End );
removeAddressRange.set( Start, End-1 );
splitAddressRange = addressRange.remove( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QCOMPARE( splitAddressRange.start(), End );
QCOMPARE( splitAddressRange.end(), End );
// remove at mid
addressRange.set( Start, End );
removeAddressRange.set( Mid-1, Mid+1 );
splitAddressRange = addressRange.remove( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Mid-2 );
QCOMPARE( splitAddressRange.start(), Mid+2 );
QCOMPARE( splitAddressRange.end(), End );
// remove none at end
addressRange.set( Start, End );
removeAddressRange.set( End+1, End );
splitAddressRange = addressRange.remove( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), End );
QVERIFY( !splitAddressRange.isValid() );
// remove one at end
addressRange.set( Start, End );
removeAddressRange.set( End, End );
splitAddressRange = addressRange.remove( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), End-1 );
QVERIFY( !splitAddressRange.isValid() );
// remove many at end
addressRange.set( Start, End );
removeAddressRange.set( Mid, End );
splitAddressRange = addressRange.remove( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Mid-1 );
QVERIFY( !splitAddressRange.isValid() );
// remove all except first
addressRange.set( Start, End );
removeAddressRange.set( Start+1, End );
splitAddressRange = addressRange.remove( removeAddressRange );
QCOMPARE( addressRange.start(), Start );
QCOMPARE( addressRange.end(), Start );
QVERIFY( !splitAddressRange.isValid() );
// remove all
addressRange.set( Start, End );
removeAddressRange.set( Start, End );
splitAddressRange = addressRange.remove( removeAddressRange );
QVERIFY( !addressRange.isValid() );
QVERIFY( !splitAddressRange.isValid() );
}