34 : QAbstractListModel( parent )
39int QgsVectorTileBasicLabelingListModel::rowCount(
const QModelIndex &parent )
const
41 if ( parent.isValid() )
44 return mLabeling->styles().count();
47int QgsVectorTileBasicLabelingListModel::columnCount(
const QModelIndex & )
const
52QVariant QgsVectorTileBasicLabelingListModel::data(
const QModelIndex &index,
int role )
const
54 if ( index.row() < 0 || index.row() >= mLabeling->styles().count() )
57 const QList<QgsVectorTileBasicLabelingStyle> styles = mLabeling->styles();
65 if ( index.column() == 0 )
67 else if ( index.column() == 1 )
68 return style.
layerName().isEmpty() ? tr(
"(all layers)" ) : style.layerName();
69 else if ( index.column() == 2 )
71 else if ( index.column() == 3 )
73 else if ( index.column() == 4 )
74 return style.
filterExpression().isEmpty() ? tr(
"(no filter)" ) : style.filterExpression();
81 if ( index.column() == 0 )
83 else if ( index.column() == 1 )
85 else if ( index.column() == 2 )
87 else if ( index.column() == 3 )
89 else if ( index.column() == 4 )
95 case Qt::CheckStateRole:
97 if ( index.column() != 0 )
99 return style.
isEnabled() ? Qt::Checked : Qt::Unchecked;
102 case Qt::DecorationRole:
104 if ( index.column() == 0 )
131QVariant QgsVectorTileBasicLabelingListModel::headerData(
int section, Qt::Orientation orientation,
int role )
const
133 if ( orientation == Qt::Horizontal && role == Qt::DisplayRole && section >= 0 && section < 5 )
136 lst << tr(
"Label" ) << tr(
"Layer" ) << tr(
"Min. Zoom" ) << tr(
"Max. Zoom" ) << tr(
"Filter" );
143Qt::ItemFlags QgsVectorTileBasicLabelingListModel::flags(
const QModelIndex &index )
const
145 if ( !index.isValid() )
146 return Qt::ItemIsDropEnabled;
148 const Qt::ItemFlag checkable = ( index.column() == 0 ? Qt::ItemIsUserCheckable : Qt::NoItemFlags );
150 return Qt::ItemIsEnabled | Qt::ItemIsSelectable |
151 Qt::ItemIsEditable | checkable |
152 Qt::ItemIsDragEnabled;
155bool QgsVectorTileBasicLabelingListModel::setData(
const QModelIndex &index,
const QVariant &value,
int role )
157 if ( !index.isValid() )
162 if ( role == Qt::CheckStateRole )
164 style.
setEnabled( value.toInt() == Qt::Checked );
165 mLabeling->setStyle( index.row(), style );
166 emit dataChanged( index, index );
170 if ( role == Qt::EditRole )
172 if ( index.column() == 0 )
174 else if ( index.column() == 1 )
176 else if ( index.column() == 2 )
178 else if ( index.column() == 3 )
180 else if ( index.column() == 4 )
183 mLabeling->setStyle( index.row(), style );
184 emit dataChanged( index, index );
191bool QgsVectorTileBasicLabelingListModel::removeRows(
int row,
int count,
const QModelIndex &parent )
193 QList<QgsVectorTileBasicLabelingStyle> styles = mLabeling->styles();
195 if ( row < 0 || row >= styles.count() )
198 beginRemoveRows( parent, row, row + count - 1 );
200 for (
int i = 0; i < count; i++ )
202 if ( row < styles.count() )
204 styles.removeAt( row );
208 mLabeling->setStyles( styles );
216 beginInsertRows( QModelIndex(), row, row );
218 QList<QgsVectorTileBasicLabelingStyle> styles = mLabeling->styles();
219 styles.insert( row, style );
220 mLabeling->setStyles( styles );
225Qt::DropActions QgsVectorTileBasicLabelingListModel::supportedDropActions()
const
227 return Qt::MoveAction;
230QStringList QgsVectorTileBasicLabelingListModel::mimeTypes()
const
233 types << QStringLiteral(
"application/vnd.text.list" );
237QMimeData *QgsVectorTileBasicLabelingListModel::mimeData(
const QModelIndexList &indexes )
const
239 QMimeData *mimeData =
new QMimeData();
240 QByteArray encodedData;
242 QDataStream stream( &encodedData, QIODevice::WriteOnly );
244 const auto constIndexes = indexes;
245 for (
const QModelIndex &index : constIndexes )
248 if ( !index.isValid() || index.column() != 0 )
254 QDomElement rootElem = doc.createElement( QStringLiteral(
"vector_tile_basic_labeling_style_mime" ) );
256 doc.appendChild( rootElem );
258 stream << doc.toString( -1 );
261 mimeData->setData( QStringLiteral(
"application/vnd.text.list" ), encodedData );
265bool QgsVectorTileBasicLabelingListModel::dropMimeData(
const QMimeData *data,
266 Qt::DropAction action,
int row,
int column,
const QModelIndex &parent )
270 if ( action == Qt::IgnoreAction )
273 if ( !data->hasFormat( QStringLiteral(
"application/vnd.text.list" ) ) )
276 if ( parent.column() > 0 )
279 QByteArray encodedData = data->data( QStringLiteral(
"application/vnd.text.list" ) );
280 QDataStream stream( &encodedData, QIODevice::ReadOnly );
286 row = rowCount( parent );
289 while ( !stream.atEnd() )
295 if ( !doc.setContent( text ) )
297 const QDomElement rootElem = doc.documentElement();
298 if ( rootElem.tagName() != QLatin1String(
"vector_tile_basic_labeling_style_mime" ) )
304 insertStyle( row + rows, style );
316 , mMapCanvas( canvas )
317 , mMessageBar( messageBar )
321 layout()->setContentsMargins( 0, 0, 0, 0 );
323 mFilterLineEdit->setShowClearButton(
true );
324 mFilterLineEdit->setShowSearchIcon(
true );
325 mFilterLineEdit->setPlaceholderText( tr(
"Filter rules" ) );
327 QMenu *menuAddRule =
new QMenu( btnAddRule );
331 btnAddRule->setMenu( menuAddRule );
334 connect( btnEditRule, &QPushButton::clicked,
this, &QgsVectorTileBasicLabelingWidget::editStyle );
335 connect( btnRemoveRule, &QAbstractButton::clicked,
this, &QgsVectorTileBasicLabelingWidget::removeStyle );
339 connect( mLabelModeComboBox,
static_cast<void ( QComboBox::* )(
int )
>( &QComboBox::currentIndexChanged ),
this, &QgsVectorTileBasicLabelingWidget::labelModeChanged );
341 connect( viewStyles, &QAbstractItemView::doubleClicked,
this, &QgsVectorTileBasicLabelingWidget::editStyleAtIndex );
348 const double tileScale = mVTLayer ? mVTLayer->tileMatrixSet().calculateTileScaleForMap( scale,
354 mLabelCurrentZoom->setText( tr(
"Current zoom: %1" ).arg( zoom ) );
356 mProxyModel->setCurrentZoom( zoom );
360 const double tileScale = mVTLayer ? mVTLayer->tileMatrixSet().calculateTileScaleForMap( mMapCanvas->scale(),
361 mapSettings.destinationCrs(),
362 mapSettings.visibleExtent(),
363 mapSettings.outputSize(),
364 mapSettings.outputDpi() ) : mMapCanvas->scale();
365 mLabelCurrentZoom->setText( tr(
"Current zoom: %1" ).arg( mVTLayer ? mVTLayer->tileMatrixSet().scaleToZoomLevel( tileScale ) :
QgsVectorTileUtils::scaleToZoomLevel( tileScale, 0, 99 ) ) );
368 connect( mCheckVisibleOnly, &QCheckBox::toggled,
this, [ = ](
bool filter )
370 mProxyModel->setFilterVisible( filter );
373 connect( mFilterLineEdit, &QgsFilterLineEdit::textChanged,
this, [ = ](
const QString & text )
375 mProxyModel->setFilterString( text );
381void QgsVectorTileBasicLabelingWidget::resyncToCurrentLayer()
383 setLayer( mVTLayer );
388 if ( mVTLayer && mVTLayer != layer )
399 if ( mVTLayer && mVTLayer->labeling() && mVTLayer->labeling()->type() == QLatin1String(
"basic" ) )
402 whileBlocking( mLabelModeComboBox )->setCurrentIndex( mVTLayer->labelsEnabled() ? 1 : 0 );
409 mOptionsStackedWidget->setCurrentIndex( mLabelModeComboBox->currentIndex() );
411 mModel =
new QgsVectorTileBasicLabelingListModel( mLabeling.get(), viewStyles );
412 mProxyModel =
new QgsVectorTileBasicLabelingProxyModel( mModel, viewStyles );
413 viewStyles->setModel( mProxyModel );
418 const double tileScale = mVTLayer ? mVTLayer->tileMatrixSet().calculateTileScaleForMap( mMapCanvas->scale(),
424 mProxyModel->setCurrentZoom( zoom );
432QgsVectorTileBasicLabelingWidget::~QgsVectorTileBasicLabelingWidget() =
default;
434void QgsVectorTileBasicLabelingWidget::apply()
436 mVTLayer->setLabeling( mLabeling->clone() );
437 mVTLayer->setLabelsEnabled( mLabelModeComboBox->currentIndex() == 1 );
440void QgsVectorTileBasicLabelingWidget::labelModeChanged()
442 mOptionsStackedWidget->setCurrentIndex( mLabelModeComboBox->currentIndex() );
443 emit widgetChanged();
466 const int rows = mModel->rowCount();
467 mModel->insertStyle( rows, style );
468 viewStyles->selectionModel()->setCurrentIndex( mProxyModel->mapFromSource( mModel->index( rows, 0 ) ), QItemSelectionModel::ClearAndSelect );
471void QgsVectorTileBasicLabelingWidget::editStyle()
473 editStyleAtIndex( viewStyles->selectionModel()->currentIndex() );
476void QgsVectorTileBasicLabelingWidget::editStyleAtIndex(
const QModelIndex &proxyIndex )
478 const QModelIndex index = mProxyModel->mapToSource( proxyIndex );
479 if ( index.row() < 0 || index.row() >= mLabeling->styles().count() )
495 const double tileScale = mVTLayer ? mVTLayer->tileMatrixSet().calculateTileScaleForMap( mMapCanvas->scale(),
504 tileScope.
setVariable(
"vector_tile_zoom", mVTLayer ? mVTLayer->tileMatrixSet().scaleToZoom( mMapCanvas->scale() ) :
QgsVectorTileUtils::scaleToZoom( mMapCanvas->scale() ), true );
514 QgsLabelingPanelWidget *widget =
new QgsLabelingPanelWidget( labelSettings, vectorLayer, mMapCanvas, panel );
515 widget->setContext( context );
516 widget->setPanelTitle( style.
styleName() );
522 QgsLabelSettingsDialog dlg( labelSettings, vectorLayer, mMapCanvas,
this, labelSettings.
layerType );
527 mLabeling->setStyle( index.row(), style );
528 emit widgetChanged();
533void QgsVectorTileBasicLabelingWidget::updateLabelingFromWidget()
535 const int index = mProxyModel->mapToSource( viewStyles->selectionModel()->currentIndex() ).row();
541 QgsLabelingPanelWidget *widget = qobject_cast<QgsLabelingPanelWidget *>( sender() );
544 mLabeling->setStyle( index, style );
545 emit widgetChanged();
548void QgsVectorTileBasicLabelingWidget::removeStyle()
550 const QModelIndexList sel = viewStyles->selectionModel()->selectedIndexes();
553 for (
const QModelIndex &proxyIndex : sel )
555 const QModelIndex sourceIndex = mProxyModel->mapToSource( proxyIndex );
556 if ( !res.contains( sourceIndex.row() ) )
557 res << sourceIndex.row();
559 std::sort( res.begin(), res.end() );
561 for (
int i = res.size() - 1; i >= 0; --i )
563 mModel->removeRow( res[ i ] );
566 viewStyles->selectionModel()->clear();
576 mLabelingGui =
new QgsLabelingGui( vectorLayer, mapCanvas, labelSettings,
this, labelSettings.
layerType );
577 mLabelingGui->setLabelMode( QgsLabelingGui::Labels );
579 mLabelingGui->layout()->setContentsMargins( 0, 0, 0, 0 );
580 QVBoxLayout *l =
new QVBoxLayout;
581 l->addWidget( mLabelingGui );
587void QgsLabelingPanelWidget::setDockMode(
bool dockMode )
590 mLabelingGui->setDockMode( dockMode );
595 mLabelingGui->setContext( context );
600 return mLabelingGui->layerSettings();
604QgsVectorTileBasicLabelingProxyModel::QgsVectorTileBasicLabelingProxyModel( QgsVectorTileBasicLabelingListModel *source, QObject *parent )
605 : QSortFilterProxyModel( parent )
607 setSourceModel( source );
608 setDynamicSortFilter(
true );
611void QgsVectorTileBasicLabelingProxyModel::setCurrentZoom(
int zoom )
617void QgsVectorTileBasicLabelingProxyModel::setFilterVisible(
bool enabled )
619 mFilterVisible = enabled;
623void QgsVectorTileBasicLabelingProxyModel::setFilterString(
const QString &
string )
625 mFilterString = string;
629bool QgsVectorTileBasicLabelingProxyModel::filterAcceptsRow(
int source_row,
const QModelIndex &source_parent )
const
631 if ( mCurrentZoom >= 0 && mFilterVisible )
633 const int rowMinZoom = sourceModel()->data( sourceModel()->index( source_row, 0, source_parent ), QgsVectorTileBasicLabelingListModel::MinZoom ).toInt();
634 const int rowMaxZoom = sourceModel()->data( sourceModel()->index( source_row, 0, source_parent ), QgsVectorTileBasicLabelingListModel::MaxZoom ).toInt();
636 if ( rowMinZoom >= 0 && rowMinZoom > mCurrentZoom )
639 if ( rowMaxZoom >= 0 && rowMaxZoom < mCurrentZoom )
643 if ( !mFilterString.isEmpty() )
645 const QString name = sourceModel()->data( sourceModel()->index( source_row, 0, source_parent ), QgsVectorTileBasicLabelingListModel::Label ).toString();
646 const QString layer = sourceModel()->data( sourceModel()->index( source_row, 0, source_parent ), QgsVectorTileBasicLabelingListModel::Layer ).toString();
647 const QString filter = sourceModel()->data( sourceModel()->index( source_row, 0, source_parent ), QgsVectorTileBasicLabelingListModel::Filter ).toString();
648 if ( !name.contains( mFilterString, Qt::CaseInsensitive )
649 && !layer.contains( mFilterString, Qt::CaseInsensitive )
650 && !filter.contains( mFilterString, Qt::CaseInsensitive ) )
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
Single scope for storing variables and functions for use within a QgsExpressionContext.
void setVariable(const QString &name, const QVariant &value, bool isStatic=false)
Convenience method for setting a variable in the context scope by name name and value.
Map canvas is a class for displaying all GIS data types on a canvas.
void scaleChanged(double scale)
Emitted when the scale of the map changes.
void styleChanged()
Signal emitted whenever a change affects the layer's style.
The QgsMapSettings class contains configuration for rendering of the map.
double scale() const
Returns the calculated map scale.
QSize outputSize() const
Returns the size of the resulting map image, in pixels.
QgsRectangle visibleExtent() const
Returns the actual extent derived from requested extent that takes output image size into account.
double outputDpi() const
Returns the DPI (dots per inch) used for conversion between real world units (e.g.
QgsCoordinateReferenceSystem destinationCrs() const
Returns the destination coordinate reference system for the map render.
A bar for displaying non-blocking messages to the user.
Contains settings for how a map layer will be labeled.
Qgis::GeometryType layerType
Geometry type of layers associated with these settings.
static QPixmap labelSettingsPreviewPixmap(const QgsPalLayerSettings &settings, QSize size, const QString &previewText=QString(), int padding=0, const QgsScreenProperties &screen=QgsScreenProperties())
Returns a pixmap preview for label settings.
The class is used as a container of context for various read/write operations on other objects.
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
QList< QgsExpressionContextScope > additionalExpressionContextScopes() const
Returns the list of additional expression context scopes to show as available within the layer.
void setMapCanvas(QgsMapCanvas *canvas)
Sets the map canvas associated with the widget.
void setAdditionalExpressionContextScopes(const QList< QgsExpressionContextScope > &scopes)
Sets a list of additional expression context scopes to show as available within the layer.
void setMessageBar(QgsMessageBar *bar)
Sets the message bar associated with the widget.
void widgetChanged()
Emitted when the text format defined by the widget changes.
Represents a vector layer which manages a vector based data sets.
Configuration of a single style within QgsVectorTileBasicLabeling.
QgsPalLayerSettings labelSettings() const
Returns labeling configuration of this style.
QString layerName() const
Returns name of the sub-layer to render (empty layer means that all layers match)
void setLayerName(const QString &name)
Sets name of the sub-layer to render (empty layer means that all layers match)
QString filterExpression() const
Returns filter expression (empty filter means that all features match)
void setMinZoomLevel(int minZoom)
Sets minimum zoom level index (negative number means no limit).
void writeXml(QDomElement &elem, const QgsReadWriteContext &context) const
Writes object content to given DOM element.
int maxZoomLevel() const
Returns the maximum zoom level index (negative number means no limit).
void setFilterExpression(const QString &expr)
Sets filter expression (empty filter means that all features match)
int minZoomLevel() const
Returns the minimum zoom level index (negative number means no limit).
void readXml(const QDomElement &elem, const QgsReadWriteContext &context)
Reads object content from given DOM element.
void setMaxZoomLevel(int maxZoom)
Sets maximum zoom level index (negative number means no limit).
void setStyleName(const QString &name)
Sets human readable name of this style.
void setGeometryType(Qgis::GeometryType geomType)
Sets type of the geometry that will be used (point / line / polygon)
void setLabelSettings(const QgsPalLayerSettings &settings)
Sets labeling configuration of this style.
Qgis::GeometryType geometryType() const
Returns type of the geometry that will be used (point / line / polygon)
void setEnabled(bool enabled)
Sets whether this style is enabled (used for rendering)
QString styleName() const
Returns human readable name of this style.
bool isEnabled() const
Returns whether this style is enabled (used for rendering)
Basic labeling configuration for vector tile layers.
Implements a map layer that is dedicated to rendering of vector tiles.
Random utility functions for working with vector tiles.
static int scaleToZoomLevel(double mapScale, int sourceMinZoom, int sourceMaxZoom, double z0Scale=559082264.0287178)
Finds the best fitting zoom level given a map scale denominator and allowed zoom level range.
QSize iconSize(bool dockableToolbar)
Returns the user-preferred size of a window's toolbar icons.
int scaleIconSize(int standardSize)
Scales an icon size to compensate for display pixel density, making the icon size hi-dpi friendly,...
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
const double ICON_PADDING_FACTOR