39 mFixedRangeLowerExpression = QStringLiteral(
"make_datetime(%1,1,1,0,0,0) + make_interval(days:=@band)" ).arg( QDate::currentDate().year() );
40 mFixedRangeUpperExpression = QStringLiteral(
"make_datetime(%1,1,1,23,59,59) + make_interval(days:=@band)" ).arg( QDate::currentDate().year() );
42 mExtraWidgetLayout =
new QVBoxLayout();
43 mExtraWidgetLayout->setContentsMargins( 0, 0, 0, 0 );
44 mExtraWidgetLayout->addStretch();
45 mExtraWidgetContainer->setLayout( mExtraWidgetLayout );
72 mScaleUnitComboBox->setCurrentIndex( mScaleUnitComboBox->findData(
static_cast< int >(
Qgis::TemporalUnit::Days ) ) );
76 mFixedRangePerBandModel =
new QgsRasterBandFixedTemporalRangeModel(
this );
77 mBandRangesTable->verticalHeader()->setVisible(
false );
78 mBandRangesTable->setModel( mFixedRangePerBandModel );
79 QgsFixedTemporalRangeDelegate *tableDelegate =
new QgsFixedTemporalRangeDelegate( mBandRangesTable );
80 mBandRangesTable->setItemDelegateForColumn( 1, tableDelegate );
81 mBandRangesTable->setItemDelegateForColumn( 2, tableDelegate );
83 connect( mModeComboBox, qOverload<int>( &QComboBox::currentIndexChanged ),
this, &QgsRasterLayerTemporalPropertiesWidget::modeChanged );
85 connect( mTemporalGroupBox, &QGroupBox::toggled,
this, &QgsRasterLayerTemporalPropertiesWidget::temporalGroupBoxChecked );
87 mStartTemporalDateTimeEdit->setDisplayFormat( QStringLiteral(
"yyyy-MM-dd HH:mm:ss" ) );
88 mEndTemporalDateTimeEdit->setDisplayFormat( QStringLiteral(
"yyyy-MM-dd HH:mm:ss" ) );
89 mOffsetDateTimeEdit->setDisplayFormat( QStringLiteral(
"yyyy-MM-dd HH:mm:ss" ) );
91 QMenu *calculateFixedRangePerBandMenu =
new QMenu( mCalculateFixedRangePerBandButton );
92 mCalculateFixedRangePerBandButton->setMenu( calculateFixedRangePerBandMenu );
93 mCalculateFixedRangePerBandButton->setPopupMode( QToolButton::InstantPopup );
94 QAction *calculateLowerAction =
new QAction(
"Calculate Beginning by Expression…", calculateFixedRangePerBandMenu );
95 calculateFixedRangePerBandMenu->addAction( calculateLowerAction );
96 connect( calculateLowerAction, &QAction::triggered,
this, [
this]
98 calculateRangeByExpression(
false );
100 QAction *calculateUpperAction =
new QAction(
"Calculate End by Expression…", calculateFixedRangePerBandMenu );
101 calculateFixedRangePerBandMenu->addAction( calculateUpperAction );
102 connect( calculateUpperAction, &QAction::triggered,
this, [
this]
104 calculateRangeByExpression(
true );
118 temporalProperties->
setBandNumber( mBandComboBox->currentBand() );
121 mEndTemporalDateTimeEdit->dateTime() );
140 mModeComboBox->setCurrentIndex( mModeComboBox->findData( QVariant::fromValue( temporalProperties->
mode() ) ) );
141 switch ( temporalProperties->
mode() )
144 mStackedWidget->setCurrentWidget( mPageAutomatic );
147 mStackedWidget->setCurrentWidget( mPageFixedRange );
150 mStackedWidget->setCurrentWidget( mPageRedrawOnly );
153 mStackedWidget->setCurrentWidget( mPageFixedRangePerBand );
156 mStackedWidget->setCurrentWidget( mPageRepresentsTemporalValues );
160 mBandComboBox->setLayer( mLayer );
161 mBandComboBox->setBand( temporalProperties->
bandNumber() );
166 mFixedRangePerBandModel->setLayerData( mLayer, temporalProperties->
fixedRangePerBand() );
167 mBandRangesTable->horizontalHeader()->setSectionResizeMode( 0, QHeaderView::Stretch );
168 mBandRangesTable->horizontalHeader()->setSectionResizeMode( 1, QHeaderView::Stretch );
169 mBandRangesTable->horizontalHeader()->setSectionResizeMode( 2, QHeaderView::Stretch );
176 mTemporalGroupBox->setChecked( temporalProperties->
isActive() );
180 widget->syncToLayer( mLayer );
186 mExtraWidgets << widget;
187 mExtraWidgetLayout->insertWidget( mExtraWidgetLayout->count() - 1, widget );
190void QgsRasterLayerTemporalPropertiesWidget::temporalGroupBoxChecked(
bool checked )
194 widget->emit dynamicTemporalControlToggled( checked );
198void QgsRasterLayerTemporalPropertiesWidget::modeChanged()
200 if ( mModeComboBox->currentData().isValid() )
205 mStackedWidget->setCurrentWidget( mPageAutomatic );
208 mStackedWidget->setCurrentWidget( mPageFixedRange );
211 mStackedWidget->setCurrentWidget( mPageRedrawOnly );
214 mStackedWidget->setCurrentWidget( mPageFixedRangePerBand );
217 mStackedWidget->setCurrentWidget( mPageRepresentsTemporalValues );
223void QgsRasterLayerTemporalPropertiesWidget::calculateRangeByExpression(
bool isUpper )
232 expressionContext.
setHighlightedVariables( { QStringLiteral(
"band" ), QStringLiteral(
"band_name" ), QStringLiteral(
"band_description" )} );
235 dlg.
setExpectedOutputFormat( !isUpper ? tr(
"Temporal range start date / time" ) : tr(
"Temporal range end date / time" ) );
237 QList<QPair<QString, QVariant> > bandChoices;
238 for (
int band = 1; band <= mLayer->
bandCount(); ++band )
244 return createExpressionContextForBand( value.toInt() );
255 exp.prepare( &expressionContext );
256 for (
int band = 1; band <= mLayer->
bandCount(); ++band )
258 bandScope->
setVariable( QStringLiteral(
"band" ), band );
262 const QVariant res = exp.evaluate( &expressionContext );
263 mFixedRangePerBandModel->setData( mFixedRangePerBandModel->index( band - 1, isUpper ? 2 : 1 ), res, Qt::EditRole );
268QgsExpressionContext QgsRasterLayerTemporalPropertiesWidget::createExpressionContextForBand(
int band )
const
277 context.
setHighlightedVariables( { QStringLiteral(
"band" ), QStringLiteral(
"band_name" ), QStringLiteral(
"band_description" )} );
287QgsRasterBandFixedTemporalRangeModel::QgsRasterBandFixedTemporalRangeModel( QObject *parent )
288 : QAbstractItemModel( parent )
293int QgsRasterBandFixedTemporalRangeModel::columnCount(
const QModelIndex & )
const
298int QgsRasterBandFixedTemporalRangeModel::rowCount(
const QModelIndex &parent )
const
300 if ( parent.isValid() )
305QModelIndex QgsRasterBandFixedTemporalRangeModel::index(
int row,
int column,
const QModelIndex &parent )
const
307 if ( hasIndex( row, column, parent ) )
309 return createIndex( row, column, row );
312 return QModelIndex();
315QModelIndex QgsRasterBandFixedTemporalRangeModel::parent(
const QModelIndex &child )
const
318 return QModelIndex();
321Qt::ItemFlags QgsRasterBandFixedTemporalRangeModel::flags(
const QModelIndex &index )
const
323 if ( !index.isValid() )
324 return Qt::ItemFlags();
326 if ( index.row() < 0 || index.row() >= mBandCount || index.column() < 0 || index.column() >= columnCount() )
327 return Qt::ItemFlags();
329 switch ( index.column() )
332 return Qt::ItemFlag::ItemIsEnabled;
335 return Qt::ItemFlag::ItemIsEnabled | Qt::ItemFlag::ItemIsEditable | Qt::ItemFlag::ItemIsSelectable;
340 return Qt::ItemFlags();
343QVariant QgsRasterBandFixedTemporalRangeModel::data(
const QModelIndex &index,
int role )
const
345 if ( !index.isValid() )
348 if ( index.row() < 0 || index.row() >= mBandCount || index.column() < 0 || index.column() >= columnCount() )
351 const int band = index.row() + 1;
356 case Qt::DisplayRole:
358 case Qt::ToolTipRole:
360 switch ( index.column() )
363 return mBandNames.value( band, QString::number( band ) );
366 return range.
begin().isValid() ? range.
begin() : QVariant();
369 return range.
end().isValid() ? range.
end() : QVariant();
377 case Qt::TextAlignmentRole:
379 switch ( index.column() )
382 return static_cast<Qt::Alignment::Int
>( Qt::AlignLeft | Qt::AlignVCenter );
386 return static_cast<Qt::Alignment::Int
>( Qt::AlignRight | Qt::AlignVCenter );
399QVariant QgsRasterBandFixedTemporalRangeModel::headerData(
int section, Qt::Orientation orientation,
int role )
const
401 if ( role == Qt::DisplayRole && orientation == Qt::Horizontal )
408 return tr(
"Begin" );
415 return QAbstractItemModel::headerData( section, orientation, role );
418bool QgsRasterBandFixedTemporalRangeModel::setData(
const QModelIndex &index,
const QVariant &value,
int role )
420 if ( !index.isValid() )
423 if ( index.row() > mBandCount || index.row() < 0 )
426 const int band = index.row() + 1;
433 const QDateTime newValue = value.toDateTime();
434 if ( !newValue.isValid() )
437 switch ( index.column() )
442 emit dataChanged( index, index, QVector<int>() << role );
448 emit dataChanged( index, index, QVector<int>() << role );
464void QgsRasterBandFixedTemporalRangeModel::setLayerData(
QgsRasterLayer *layer,
const QMap<int, QgsDateTimeRange> &ranges )
472 for (
int band = 1; band <= mBandCount; ++band )
484QgsFixedTemporalRangeDelegate::QgsFixedTemporalRangeDelegate( QObject *parent )
485 : QStyledItemDelegate( parent )
490QWidget *QgsFixedTemporalRangeDelegate::createEditor( QWidget *parent,
const QStyleOptionViewItem &,
const QModelIndex & )
const
497void QgsFixedTemporalRangeDelegate::setModelData( QWidget *editor, QAbstractItemModel *model,
const QModelIndex &index )
const
499 if (
QgsDateTimeEdit *dateTimeEdit = qobject_cast< QgsDateTimeEdit * >( editor ) )
501 model->setData( index, dateTimeEdit->dateTime() );
TemporalUnit
Temporal units.
@ Milliseconds
Milliseconds.
RasterTemporalMode
Raster layer temporal modes.
@ RepresentsTemporalValues
Pixel values represent an datetime.
@ RedrawLayerOnly
Redraw the layer when temporal range changes, but don't apply any filtering. Useful when raster symbo...
@ FixedRangePerBand
Layer has a fixed temporal range per band.
@ TemporalRangeFromDataProvider
Mode when raster layer delegates temporal range handling to the dataprovider.
@ FixedTemporalRange
Mode when temporal properties have fixed start and end datetimes.
bool hasTemporalCapabilities() const
Returns true if the provider has temporal capabilities available.
The QgsDateTimeEdit class is a QDateTimeEdit with the capability of setting/reading null date/times.
void setAllowNull(bool allowNull)
Determines if the widget allows setting null date/time.
A generic dialog for building expression strings.
void setExpectedOutputFormat(const QString &expected)
Set the expected format string, which is shown in the dialog.
QgsExpressionBuilderWidget * expressionBuilder()
The builder widget that is used by the dialog.
Single scope for storing variables and functions for use within a QgsExpressionContext.
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
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.
static QList< QgsExpressionContextScope * > globalProjectLayerScopes(const QgsMapLayer *layer)
Creates a list of three scopes: global, layer's project and layer.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
void setHighlightedVariables(const QStringList &variableNames)
Sets the list of variable names within the context intended to be highlighted to the user.
void appendScopes(const QList< QgsExpressionContextScope * > &scopes)
Appends a list of scopes to the end of the context.
Class for parsing and evaluation of expressions (formerly called "search strings").
A representation of the interval between two datetime values.
double originalDuration() const
Returns the original interval duration.
Qgis::TemporalUnit originalUnit() const
Returns the original interval temporal unit.
QgsRasterDataProviderTemporalCapabilities * temporalCapabilities() override
Returns the provider's temporal capabilities.
virtual QString bandDescription(int bandNumber)
Returns the description for band bandNumber, or an empty string if the band is not valid or has not d...
QString displayBandName(int bandNumber) const
Generates a friendly, descriptive name for the specified bandNumber.
Implementation of map layer temporal properties for raster layers.
QDateTime temporalRepresentationOffset() const
Returns the temporal offset, which is a fixed datetime which should be added to individual pixel valu...
void setTemporalRepresentationOffset(const QDateTime &offset)
Sets the temporal offset, which is a fixed datetime which should be added to individual pixel values ...
const QgsInterval & temporalRepresentationScale() const
Returns the scale, which is an interval factor which should be applied to individual pixel values fro...
Qgis::RasterTemporalMode mode() const
Returns the temporal properties mode.
void setTemporalRepresentationScale(const QgsInterval &scale)
Sets the scale, which is an interval factor which should be applied to individual pixel values from t...
void setMode(Qgis::RasterTemporalMode mode)
Sets the temporal properties mode.
void setFixedTemporalRange(const QgsDateTimeRange &range)
Sets a temporal range to apply to the whole layer.
void setFixedRangePerBand(const QMap< int, QgsDateTimeRange > &ranges)
Sets the fixed temporal range for each band.
QMap< int, QgsDateTimeRange > fixedRangePerBand() const
Returns the fixed temporal range for each band.
int bandNumber() const
Returns the band number from which temporal values should be taken.
const QgsDateTimeRange & fixedTemporalRange() const
Returns the fixed temporal range for the layer.
void setBandNumber(int number)
Sets the band number from which temporal values should be taken.
Represents a raster layer.
int bandCount() const
Returns the number of bands in this layer.
QgsMapLayerTemporalProperties * temporalProperties() override
Returns the layer's temporal properties.
QgsRasterDataProvider * dataProvider() override
Returns the source data provider.
bool isActive() const
Returns true if the temporal property is active.
void setIsActive(bool active)
Sets whether the temporal property is active.
T begin() const
Returns the beginning of the range.
T end() const
Returns the upper bound of the range.
bool includeEnd() const
Returns true if the end is inclusive, or false if the end is exclusive.
bool includeBeginning() const
Returns true if the beginning is inclusive, or false if the beginning is exclusive.
static Q_INVOKABLE QString toString(Qgis::DistanceUnit unit)
Returns a translated string representing a distance unit.
QgsTemporalRange< QDateTime > QgsDateTimeRange
QgsRange which stores a range of date times.
Single variable definition for use within a QgsExpressionContextScope.