void QgsVectorGradientColorRampV2Dialog::updateStops()
{
QgsGradientStopsList stops = mRamp->stops();
groupStops->setChecked( !stops.isEmpty() );
QList<QTreeWidgetItem *> items;
for ( QgsGradientStopsList::iterator it = stops.begin();
it != stops.end(); ++it )
{
double val = it->offset * 100.0;
QStringList lst;
lst << "." << QString(( val < 10 ) ? '0' + QString::number( val ) : QString::number( val ) );
QTreeWidgetItem* item = new QTreeWidgetItem( lst );
setStopColor( item, it->color );
item->setData( 0, StopOffsetRole, it->offset );
items.append( item );
}
treeStops->clear();
treeStops->insertTopLevelItems( 0, items );
treeStops->resizeColumnToContents( 0 );
treeStops->setColumnWidth( 0, treeStops->columnWidth( 0 ) + 20 );
treeStops->sortByColumn( 1, Qt::AscendingOrder );
treeStops->setSortingEnabled( true );
}
void QgsVectorGradientColorRampV2Dialog::setItemStopColor( const QColor& newColor )
{
if ( mCurrentItem )
{
setStopColor( mCurrentItem, newColor );
updatePreview();
}
}
void QgsVectorGradientColorRampV2Dialog::addStop()
{
#if defined(Q_WS_MAC) && QT_VERSION >= 0x040500 && defined(QT_MAC_USE_COCOA)
// Native Mac dialog works only for Qt Carbon
// Qt bug: http://bugreports.qt.nokia.com/browse/QTBUG-14889
// also Qt 4.7 Mac Cocoa bug: calling QInputDialog::getInt after QColorDialog::getColor will freeze app
// workaround: call QColorDialog::getColor below instead of here,
// but not needed at this time because of the other Qt bug
// FIXME need to also check max QT_VERSION when Qt bug(s) fixed
QColor color = QColorDialog::getColor( QColor(), this, "", QColorDialog::DontUseNativeDialog );
#else
QColor color = QColorDialog::getColor( QColor(), this );
#endif
if ( !color.isValid() )
return;
bool ok;
int val = 50;
#if QT_VERSION >= 0x40500
val = QInputDialog::getInt( this, tr( "Offset of the stop" ),
tr( "Please enter offset in percents (%) of the new stop" ),
val, 0, 100, 1, &ok );
#else
QString res = QInputDialog::getText( this, tr( "Offset of the stop" ),
tr( "Please enter offset in percents (%) of the new stop" ),
QLineEdit::Normal, QString::number( val ), &ok );
if ( ok )
val = res.toInt( &ok );
if ( ok )
ok = val >= 0 && val <= 100;
#endif
if ( !ok )
return;
double key = val / 100.0;
QStringList lst;
lst << "." << QString::number( val, 'f', 0 );
QTreeWidgetItem* item = new QTreeWidgetItem( lst );
setStopColor( item, color );
item->setData( 0, StopOffsetRole, key );
treeStops->addTopLevelItem( item );
treeStops->resizeColumnToContents( 0 );
updatePreview();
}
void QgsVectorGradientColorRampV2Dialog::stopDoubleClicked( QTreeWidgetItem* item, int column )
{
if ( column == 0 )
{
#if defined(Q_WS_MAC) && QT_VERSION >= 0x040500 && defined(QT_MAC_USE_COCOA)
// Native Mac dialog works only for Qt Carbon
// Qt bug: http://bugreports.qt.nokia.com/browse/QTBUG-14889
// FIXME need to also check max QT_VERSION when Qt bug fixed
QColor color = QColorDialog::getColor( item->data( 0, StopColorRole ).value<QColor>(), this, "", QColorDialog::DontUseNativeDialog );
#else
QColor color = QColorDialog::getColor( item->data( 0, StopColorRole ).value<QColor>(), this );
#endif
if ( !color.isValid() )
return;
setStopColor( item, color );
updatePreview();
}
else
{
bool ok;
double key = item->data( 0, StopOffsetRole ).toDouble();
int val = ( int )( key * 100 );
#if QT_VERSION >= 0x40500
val = QInputDialog::getInt( this, tr( "Offset of the stop" ),
tr( "Please enter offset in percents (%) of the new stop" ),
val, 0, 100, 1, &ok );
#else
QString res = QInputDialog::getText( this, tr( "Offset of the stop" ),
tr( "Please enter offset in percents (%) of the new stop" ),
QLineEdit::Normal, QString::number( val ), &ok );
if ( ok )
val = res.toInt( &ok );
if ( ok )
ok = val >= 0 && val <= 100;
#endif
if ( !ok )
return;
double newkey = val / 100.0;
item->setText( 1, QString::number( val ) );
item->setData( 0, StopOffsetRole, newkey );
updatePreview();
}
}
QgsVectorGradientColorRampV2Dialog::QgsVectorGradientColorRampV2Dialog( QgsVectorGradientColorRampV2* ramp, QWidget* parent )
: QDialog( parent ), mRamp( ramp )
{
setupUi( this );
connect( btnColor1, SIGNAL( clicked() ), this, SLOT( setColor1() ) );
connect( btnColor2, SIGNAL( clicked() ), this, SLOT( setColor2() ) );
// handle stops
QgsVectorGradientColorRampV2::StopsMap stops = ramp->stops();
groupStops->setChecked( !stops.isEmpty() );
QgsVectorGradientColorRampV2::StopsMap::iterator i;
QList<QTreeWidgetItem *> items;
for ( i = stops.begin(); i != stops.end(); ++i )
{
QStringList lst;
lst << "." << QString::number( i.key()*100, 'f', 0 );
QTreeWidgetItem* item = new QTreeWidgetItem( lst );
setStopColor( item, i.value() );
item->setData( 0, StopOffsetRole, i.key() );
items.append( item );
}
treeStops->insertTopLevelItems( 0, items );
treeStops->resizeColumnToContents( 0 );
treeStops->sortByColumn( 1, Qt::AscendingOrder );
treeStops->setSortingEnabled( true );
connect( groupStops, SIGNAL( toggled( bool ) ), this, SLOT( toggledStops( bool ) ) );
connect( btnAddStop, SIGNAL( clicked() ), this, SLOT( addStop() ) );
connect( btnRemoveStop, SIGNAL( clicked() ), this, SLOT( removeStop() ) );
connect( treeStops, SIGNAL( itemDoubleClicked( QTreeWidgetItem*, int ) ), this, SLOT( stopDoubleClicked( QTreeWidgetItem*, int ) ) );
updatePreview();
}
