void QgsStyleManagerDialog::populateSymbols( const QStringList& symbolNames, bool check )
{
QStandardItemModel* model = qobject_cast<QStandardItemModel*>( listItems->model() );
model->clear();
int type = currentItemType();
for ( int i = 0; i < symbolNames.count(); ++i )
{
QString name = symbolNames[i];
QgsSymbol* symbol = mStyle->symbol( name );
if ( symbol && symbol->type() == type )
{
QStandardItem* item = new QStandardItem( name );
QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( symbol, listItems->iconSize() );
item->setIcon( icon );
item->setData( name ); // used to find out original name when user edited the name
item->setCheckable( check );
item->setToolTip( name );
// add to model
model->appendRow( item );
}
delete symbol;
}
selectedSymbolsChanged( QItemSelection(), QItemSelection() );
symbolSelected( listItems->currentIndex() );
}
void QgsStyleManagerDialog::populateList()
{
if ( currentItemType() > 3 )
{
Q_ASSERT( 0 && "not implemented" );
return;
}
groupChanged( groupTree->selectionModel()->currentIndex() );
}
void QgsStyleManagerDialog::editItem()
{
bool changed = false;
if ( currentItemType() < 3 )
{
changed = editSymbol();
}
else if ( currentItemType() == 3 )
{
changed = editColorRamp();
}
else
{
Q_ASSERT( 0 && "not implemented" );
}
if ( changed )
populateList();
}
void QgsStyleManagerDialog::removeItem()
{
bool changed = false;
if ( currentItemType() < 3 )
{
changed = removeSymbol();
}
else if ( currentItemType() == 3 )
{
changed = removeColorRamp();
}
else
{
Q_ASSERT( 0 && "not implemented" );
}
if ( changed )
{
populateList();
populateTypes();
}
}
void QgsStyleManagerDialog::on_tabItemType_currentChanged( int )
{
// when in Color Ramp tab, add menu to add item button and hide "Export symbols as PNG/SVG"
bool flag = currentItemType() != 3;
btnAddItem->setMenu( flag ? nullptr : mMenuBtnAddItemColorRamp );
actnExportAsPNG->setVisible( flag );
actnExportAsSVG->setVisible( flag );
// set icon and grid size, depending on type
if ( currentItemType() == 1 || currentItemType() == 3 )
{
listItems->setIconSize( QSize( 75, 50 ) );
listItems->setGridSize( QSize( 100, 80 ) );
}
else
{
listItems->setIconSize( QSize( 50, 50 ) );
listItems->setGridSize( QSize( 75, 80 ) );
}
populateList();
}
void QgsStyleV2ManagerDialog::on_tabItemType_currentChanged( int )
{
// when in Color Ramp tab, add menu to add item button
if ( currentItemType() == 3 )
{
QStringList rampTypes;
rampTypes << tr( "Gradient" ) << tr( "Random" ) << tr( "ColorBrewer" );
rampTypes << tr( "cpt-city" ); // todo, only for rasters?
QMenu* menu = new QMenu( btnAddItem );
foreach ( QString rampType, rampTypes )
{
menu->addAction( rampType );
}
void QgsStyleManagerDialog::tabItemType_currentChanged( int )
{
// when in Color Ramp tab, add menu to add item button and hide "Export symbols as PNG/SVG"
bool flag = currentItemType() != 3;
searchBox->setPlaceholderText( flag ? tr( "Filter symbols…" ) : tr( "Filter color ramps…" ) );
btnAddItem->setMenu( flag ? nullptr : mMenuBtnAddItemColorRamp );
actnExportAsPNG->setVisible( flag );
actnExportAsSVG->setVisible( flag );
listItems->setIconSize( QSize( 100, 90 ) );
listItems->setGridSize( QSize( 120, 110 ) );
populateList();
}
bool QgsStyleManagerDialog::addSymbol()
{
// create new symbol with current type
QgsSymbol* symbol;
QString name = tr( "new symbol" );
switch ( currentItemType() )
{
case QgsSymbol::Marker:
symbol = new QgsMarkerSymbol();
name = tr( "new marker" );
break;
case QgsSymbol::Line:
symbol = new QgsLineSymbol();
name = tr( "new line" );
break;
case QgsSymbol::Fill:
symbol = new QgsFillSymbol();
name = tr( "new fill symbol" );
break;
default:
Q_ASSERT( 0 && "unknown symbol type" );
return false;
}
// get symbol design
// NOTE : Set the parent widget as "this" to notify the Symbol selector
// that, it is being called by Style Manager, so recursive calling
// of style manager and symbol selector can be arrested
// See also: editSymbol()
QgsSymbolSelectorDialog dlg( symbol, mStyle, nullptr, this );
if ( dlg.exec() == 0 )
{
delete symbol;
return false;
}
// get unique name
bool nameInvalid = true;
while ( nameInvalid )
{
bool ok;
name = QInputDialog::getText( this, tr( "Symbol Name" ),
tr( "Please enter a name for new symbol:" ),
QLineEdit::Normal, name, &ok );
if ( !ok )
{
delete symbol;
return false;
}
// validate name
if ( name.isEmpty() )
{
QMessageBox::warning( this, tr( "Save symbol" ),
tr( "Cannot save symbol without name. Enter a name." ) );
}
else if ( mStyle->symbolNames().contains( name ) )
{
int res = QMessageBox::warning( this, tr( "Save symbol" ),
tr( "Symbol with name '%1' already exists. Overwrite?" )
.arg( name ),
QMessageBox::Yes | QMessageBox::No );
if ( res == QMessageBox::Yes )
{
nameInvalid = false;
}
}
else
{
// valid name
nameInvalid = false;
}
}
// add new symbol to style and re-populate the list
mStyle->addSymbol( name, symbol, true );
// TODO groups and tags
mModified = true;
return true;
}