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qgslayoutmapwidget.cpp
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qgslayoutmapwidget.cpp
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/***************************************************************************
qgslayoutmapwidget.cpp
----------------------
begin : October 2017
copyright : (C) 2017 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgslayoutmapwidget.h"
#include "qgslayoutitemmap.h"
#include "qgsproject.h"
#include "qgsmapthemecollection.h"
#include "qgsmapthemes.h"
#include "qgslayout.h"
#include "qgisapp.h"
#include "qgsmapcanvas.h"
#include "qgssymbolselectordialog.h"
#include "qgssymbollayerutils.h"
#include "qgslayoutmapgridwidget.h"
#include "qgsstyle.h"
#include "qgslayoutundostack.h"
#include "qgslayoutatlas.h"
#include <QMenu>
#include <QMessageBox>
QgsLayoutMapWidget::QgsLayoutMapWidget( QgsLayoutItemMap *item )
: QgsLayoutItemBaseWidget( nullptr, item )
, mMapItem( item )
{
Q_ASSERT( mMapItem );
setupUi( this );
connect( mScaleLineEdit, &QLineEdit::editingFinished, this, &QgsLayoutMapWidget::mScaleLineEdit_editingFinished );
connect( mSetToMapCanvasExtentButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mSetToMapCanvasExtentButton_clicked );
connect( mViewExtentInCanvasButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mViewExtentInCanvasButton_clicked );
connect( mUpdatePreviewButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mUpdatePreviewButton_clicked );
connect( mFollowVisibilityPresetCheckBox, &QCheckBox::stateChanged, this, &QgsLayoutMapWidget::mFollowVisibilityPresetCheckBox_stateChanged );
connect( mKeepLayerListCheckBox, &QCheckBox::stateChanged, this, &QgsLayoutMapWidget::mKeepLayerListCheckBox_stateChanged );
connect( mKeepLayerStylesCheckBox, &QCheckBox::stateChanged, this, &QgsLayoutMapWidget::mKeepLayerStylesCheckBox_stateChanged );
connect( mDrawCanvasItemsCheckBox, &QCheckBox::stateChanged, this, &QgsLayoutMapWidget::mDrawCanvasItemsCheckBox_stateChanged );
connect( mOverviewBlendModeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsLayoutMapWidget::mOverviewBlendModeComboBox_currentIndexChanged );
connect( mOverviewInvertCheckbox, &QCheckBox::toggled, this, &QgsLayoutMapWidget::mOverviewInvertCheckbox_toggled );
connect( mOverviewCenterCheckbox, &QCheckBox::toggled, this, &QgsLayoutMapWidget::mOverviewCenterCheckbox_toggled );
connect( mXMinLineEdit, &QLineEdit::editingFinished, this, &QgsLayoutMapWidget::mXMinLineEdit_editingFinished );
connect( mXMaxLineEdit, &QLineEdit::editingFinished, this, &QgsLayoutMapWidget::mXMaxLineEdit_editingFinished );
connect( mYMinLineEdit, &QLineEdit::editingFinished, this, &QgsLayoutMapWidget::mYMinLineEdit_editingFinished );
connect( mYMaxLineEdit, &QLineEdit::editingFinished, this, &QgsLayoutMapWidget::mYMaxLineEdit_editingFinished );
connect( mAtlasMarginRadio, &QRadioButton::toggled, this, &QgsLayoutMapWidget::mAtlasMarginRadio_toggled );
connect( mAtlasCheckBox, &QgsCollapsibleGroupBoxBasic::toggled, this, &QgsLayoutMapWidget::mAtlasCheckBox_toggled );
connect( mAtlasMarginSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), this, &QgsLayoutMapWidget::mAtlasMarginSpinBox_valueChanged );
connect( mAtlasFixedScaleRadio, &QRadioButton::toggled, this, &QgsLayoutMapWidget::mAtlasFixedScaleRadio_toggled );
connect( mAtlasPredefinedScaleRadio, &QRadioButton::toggled, this, &QgsLayoutMapWidget::mAtlasPredefinedScaleRadio_toggled );
connect( mAddGridPushButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mAddGridPushButton_clicked );
connect( mRemoveGridPushButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mRemoveGridPushButton_clicked );
connect( mGridUpButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mGridUpButton_clicked );
connect( mGridDownButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mGridDownButton_clicked );
connect( mDrawGridCheckBox, &QCheckBox::toggled, this, &QgsLayoutMapWidget::mDrawGridCheckBox_toggled );
connect( mGridListWidget, &QListWidget::currentItemChanged, this, &QgsLayoutMapWidget::mGridListWidget_currentItemChanged );
connect( mGridListWidget, &QListWidget::itemChanged, this, &QgsLayoutMapWidget::mGridListWidget_itemChanged );
connect( mGridPropertiesButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mGridPropertiesButton_clicked );
connect( mAddOverviewPushButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mAddOverviewPushButton_clicked );
connect( mRemoveOverviewPushButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mRemoveOverviewPushButton_clicked );
connect( mOverviewUpButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mOverviewUpButton_clicked );
connect( mOverviewDownButton, &QPushButton::clicked, this, &QgsLayoutMapWidget::mOverviewDownButton_clicked );
connect( mOverviewCheckBox, &QgsCollapsibleGroupBoxBasic::toggled, this, &QgsLayoutMapWidget::mOverviewCheckBox_toggled );
connect( mOverviewListWidget, &QListWidget::currentItemChanged, this, &QgsLayoutMapWidget::mOverviewListWidget_currentItemChanged );
connect( mOverviewListWidget, &QListWidget::itemChanged, this, &QgsLayoutMapWidget::mOverviewListWidget_itemChanged );
setPanelTitle( tr( "Map Properties" ) );
mMapRotationSpinBox->setClearValue( 0 );
//add widget for general composer item properties
mItemPropertiesWidget = new QgsLayoutItemPropertiesWidget( this, item );
mainLayout->addWidget( mItemPropertiesWidget );
mScaleLineEdit->setValidator( new QDoubleValidator( mScaleLineEdit ) );
mXMinLineEdit->setValidator( new QDoubleValidator( mXMinLineEdit ) );
mXMaxLineEdit->setValidator( new QDoubleValidator( mXMaxLineEdit ) );
mYMinLineEdit->setValidator( new QDoubleValidator( mYMinLineEdit ) );
mYMaxLineEdit->setValidator( new QDoubleValidator( mYMaxLineEdit ) );
blockAllSignals( true );
mCrsSelector->setOptionVisible( QgsProjectionSelectionWidget::CrsNotSet, true );
mCrsSelector->setNotSetText( tr( "Use project CRS" ) );
mOverviewFrameStyleButton->setSymbolType( QgsSymbol::Fill );
// follow preset combo
mFollowVisibilityPresetCombo->setModel( new QStringListModel( mFollowVisibilityPresetCombo ) );
connect( mFollowVisibilityPresetCombo, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsLayoutMapWidget::followVisibilityPresetSelected );
connect( QgsProject::instance()->mapThemeCollection(), &QgsMapThemeCollection::mapThemesChanged,
this, &QgsLayoutMapWidget::onMapThemesChanged );
onMapThemesChanged();
// keep layers from preset button
QMenu *menuKeepLayers = new QMenu( this );
mLayerListFromPresetButton->setMenu( menuKeepLayers );
mLayerListFromPresetButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionShowAllLayers.svg" ) ) );
mLayerListFromPresetButton->setToolTip( tr( "Set layer list from a map theme" ) );
connect( menuKeepLayers, &QMenu::aboutToShow, this, &QgsLayoutMapWidget::aboutToShowKeepLayersVisibilityPresetsMenu );
connect( item, &QgsLayoutObject::changed, this, &QgsLayoutMapWidget::updateGuiElements );
connect( &item->layout()->reportContext(), &QgsLayoutReportContext::layerChanged,
this, &QgsLayoutMapWidget::atlasLayerChanged );
if ( QgsLayoutAtlas *atlas = layoutAtlas() )
{
connect( atlas, &QgsLayoutAtlas::toggled, this, &QgsLayoutMapWidget::compositionAtlasToggled );
compositionAtlasToggled( atlas->enabled() );
}
mOverviewFrameMapComboBox->setCurrentLayout( item->layout() );
mOverviewFrameMapComboBox->setItemType( QgsLayoutItemRegistry::LayoutMap );
mOverviewFrameStyleButton->registerExpressionContextGenerator( item );
connect( mOverviewFrameMapComboBox, &QgsLayoutItemComboBox::itemChanged, this, &QgsLayoutMapWidget::overviewMapChanged );
connect( mCrsSelector, &QgsProjectionSelectionWidget::crsChanged, this, &QgsLayoutMapWidget::mapCrsChanged );
connect( mOverviewFrameStyleButton, &QgsSymbolButton::changed, this, &QgsLayoutMapWidget::overviewSymbolChanged );
mOverviewFrameStyleButton->registerExpressionContextGenerator( item );
mOverviewFrameStyleButton->setLayer( coverageLayer() );
if ( item->layout() )
{
connect( &item->layout()->reportContext(), &QgsLayoutReportContext::layerChanged, mOverviewFrameStyleButton, &QgsSymbolButton::setLayer );
}
registerDataDefinedButton( mScaleDDBtn, QgsLayoutObject::MapScale );
registerDataDefinedButton( mMapRotationDDBtn, QgsLayoutObject::MapRotation );
registerDataDefinedButton( mXMinDDBtn, QgsLayoutObject::MapXMin );
registerDataDefinedButton( mYMinDDBtn, QgsLayoutObject::MapYMin );
registerDataDefinedButton( mXMaxDDBtn, QgsLayoutObject::MapXMax );
registerDataDefinedButton( mYMaxDDBtn, QgsLayoutObject::MapYMax );
registerDataDefinedButton( mAtlasMarginDDBtn, QgsLayoutObject::MapAtlasMargin );
registerDataDefinedButton( mStylePresetsDDBtn, QgsLayoutObject::MapStylePreset );
registerDataDefinedButton( mLayersDDBtn, QgsLayoutObject::MapLayers );
updateGuiElements();
loadGridEntries();
loadOverviewEntries();
connect( mMapRotationSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, &QgsLayoutMapWidget::rotationChanged );
blockAllSignals( false );
}
void QgsLayoutMapWidget::setReportTypeString( const QString &string )
{
mAtlasCheckBox->setTitle( tr( "Controlled by %1" ).arg( string ) );
mAtlasPredefinedScaleRadio->setToolTip( tr( "Use one of the predefined scales of the project where the %1 feature best fits." ).arg( string ) );
}
bool QgsLayoutMapWidget::setNewItem( QgsLayoutItem *item )
{
if ( item->type() != QgsLayoutItemRegistry::LayoutMap )
return false;
if ( mMapItem )
{
disconnect( mMapItem, &QgsLayoutObject::changed, this, &QgsLayoutMapWidget::updateGuiElements );
}
mMapItem = qobject_cast< QgsLayoutItemMap * >( item );
mItemPropertiesWidget->setItem( mMapItem );
if ( mMapItem )
{
connect( mMapItem, &QgsLayoutObject::changed, this, &QgsLayoutMapWidget::updateGuiElements );
mOverviewFrameStyleButton->registerExpressionContextGenerator( mMapItem );
}
updateGuiElements();
return true;
}
void QgsLayoutMapWidget::populateDataDefinedButtons()
{
updateDataDefinedButton( mScaleDDBtn );
updateDataDefinedButton( mMapRotationDDBtn );
updateDataDefinedButton( mXMinDDBtn );
updateDataDefinedButton( mYMinDDBtn );
updateDataDefinedButton( mXMaxDDBtn );
updateDataDefinedButton( mYMaxDDBtn );
updateDataDefinedButton( mAtlasMarginDDBtn );
updateDataDefinedButton( mStylePresetsDDBtn );
updateDataDefinedButton( mLayersDDBtn );
}
void QgsLayoutMapWidget::compositionAtlasToggled( bool atlasEnabled )
{
if ( atlasEnabled &&
mMapItem && mMapItem->layout() && mMapItem->layout()->reportContext().layer()
&& mMapItem->layout()->reportContext().layer()->wkbType() != QgsWkbTypes::NoGeometry )
{
mAtlasCheckBox->setEnabled( true );
}
else
{
mAtlasCheckBox->setEnabled( false );
mAtlasCheckBox->setChecked( false );
}
}
void QgsLayoutMapWidget::aboutToShowKeepLayersVisibilityPresetsMenu()
{
// this menu is for the case when setting "keep layers" and "keep layer styles"
// and the preset configuration is copied. The preset is not followed further.
QMenu *menu = qobject_cast<QMenu *>( sender() );
if ( !menu )
return;
menu->clear();
Q_FOREACH ( const QString &presetName, QgsProject::instance()->mapThemeCollection()->mapThemes() )
{
menu->addAction( presetName, this, SLOT( keepLayersVisibilityPresetSelected() ) );
}
if ( menu->actions().isEmpty() )
menu->addAction( tr( "No presets defined" ) )->setEnabled( false );
}
void QgsLayoutMapWidget::followVisibilityPresetSelected( int currentIndex )
{
if ( !mMapItem )
return;
if ( currentIndex == -1 )
return; // doing combo box model reset
QString presetName;
if ( currentIndex != 0 )
{
presetName = mFollowVisibilityPresetCombo->currentText();
}
if ( presetName == mMapItem->followVisibilityPresetName() )
return;
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Preset" ) );
mFollowVisibilityPresetCheckBox->setChecked( true );
mMapItem->setFollowVisibilityPresetName( presetName );
mMapItem->layout()->undoStack()->endCommand();
mMapItem->invalidateCache();
}
void QgsLayoutMapWidget::keepLayersVisibilityPresetSelected()
{
QAction *action = qobject_cast<QAction *>( sender() );
if ( !action )
return;
QString presetName = action->text();
QList<QgsMapLayer *> lst = QgsMapThemes::instance()->orderedPresetVisibleLayers( presetName );
if ( mMapItem )
{
mKeepLayerListCheckBox->setChecked( true );
mMapItem->setLayers( lst );
mKeepLayerStylesCheckBox->setChecked( true );
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Preset" ) );
mMapItem->setLayerStyleOverrides( QgsProject::instance()->mapThemeCollection()->mapThemeStyleOverrides( presetName ) );
mMapItem->layout()->undoStack()->endCommand();
mMapItem->invalidateCache();
}
}
void QgsLayoutMapWidget::onMapThemesChanged()
{
if ( QStringListModel *model = qobject_cast<QStringListModel *>( mFollowVisibilityPresetCombo->model() ) )
{
QStringList lst;
lst.append( tr( "(none)" ) );
lst += QgsProject::instance()->mapThemeCollection()->mapThemes();
model->setStringList( lst );
// select the previously selected item again
int presetModelIndex = mFollowVisibilityPresetCombo->findText( mMapItem->followVisibilityPresetName() );
mFollowVisibilityPresetCombo->blockSignals( true );
mFollowVisibilityPresetCombo->setCurrentIndex( presetModelIndex != -1 ? presetModelIndex : 0 ); // 0 == none
mFollowVisibilityPresetCombo->blockSignals( false );
}
}
void QgsLayoutMapWidget::mapCrsChanged( const QgsCoordinateReferenceSystem &crs )
{
if ( !mMapItem )
{
return;
}
if ( mMapItem->presetCrs() == crs )
return;
// try to reproject to maintain extent
QgsCoordinateReferenceSystem oldCrs = mMapItem->crs();
bool updateExtent = false;
QgsRectangle newExtent;
try
{
QgsCoordinateTransform xForm( oldCrs, crs.isValid() ? crs : QgsProject::instance()->crs(), QgsProject::instance() );
QgsRectangle prevExtent = mMapItem->extent();
newExtent = xForm.transformBoundingBox( prevExtent );
updateExtent = true;
}
catch ( QgsCsException & )
{
//transform failed, don't update extent
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map CRS" ) );
mMapItem->setCrs( crs );
if ( updateExtent )
mMapItem->zoomToExtent( newExtent );
mMapItem->layout()->undoStack()->endCommand();
mMapItem->invalidateCache();
}
void QgsLayoutMapWidget::overviewSymbolChanged()
{
QgsLayoutItemMapOverview *overview = currentOverview();
if ( !overview )
return;
mMapItem->beginCommand( tr( "Change Overview Style" ), QgsLayoutItem::UndoOverviewStyle );
overview->setFrameSymbol( mOverviewFrameStyleButton->clonedSymbol<QgsFillSymbol>() );
mMapItem->endCommand();
mMapItem->update();
}
void QgsLayoutMapWidget::mAtlasCheckBox_toggled( bool checked )
{
if ( !mMapItem )
{
return;
}
mAtlasFixedScaleRadio->setEnabled( checked );
mAtlasMarginRadio->setEnabled( checked );
if ( mAtlasMarginRadio->isEnabled() && mAtlasMarginRadio->isChecked() )
{
mAtlasMarginSpinBox->setEnabled( true );
}
else
{
mAtlasMarginSpinBox->setEnabled( false );
}
mAtlasPredefinedScaleRadio->setEnabled( checked );
if ( checked )
{
//check atlas coverage layer type
if ( mMapItem->layout() )
{
toggleAtlasScalingOptionsByLayerType();
}
}
// disable predefined scales if none are defined
if ( !hasPredefinedScales() )
{
mAtlasPredefinedScaleRadio->setEnabled( false );
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Set Atlas Driven" ) );
mMapItem->setAtlasDriven( checked );
mMapItem->layout()->undoStack()->endCommand();
updateMapForAtlas();
}
void QgsLayoutMapWidget::updateMapForAtlas()
{
//update map if in atlas preview mode
if ( mMapItem->atlasDriven() )
{
mMapItem->refresh();
}
else
{
//redraw map
mMapItem->invalidateCache();
}
}
void QgsLayoutMapWidget::mAtlasMarginRadio_toggled( bool checked )
{
mAtlasMarginSpinBox->setEnabled( checked );
if ( checked && mMapItem )
{
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Atlas Mode" ) );
mMapItem->setAtlasScalingMode( QgsLayoutItemMap::Auto );
mMapItem->layout()->undoStack()->endCommand();
updateMapForAtlas();
}
}
void QgsLayoutMapWidget::mAtlasMarginSpinBox_valueChanged( int value )
{
if ( !mMapItem )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Atlas Margin" ), QgsLayoutItem::UndoAtlasMargin );
mMapItem->setAtlasMargin( value / 100. );
mMapItem->layout()->undoStack()->endCommand();
updateMapForAtlas();
}
void QgsLayoutMapWidget::mAtlasFixedScaleRadio_toggled( bool checked )
{
if ( !mMapItem )
{
return;
}
if ( checked )
{
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Atlas Mode" ) );
mMapItem->setAtlasScalingMode( QgsLayoutItemMap::Fixed );
mMapItem->layout()->undoStack()->endCommand();
updateMapForAtlas();
}
}
void QgsLayoutMapWidget::mAtlasPredefinedScaleRadio_toggled( bool checked )
{
if ( !mMapItem )
{
return;
}
if ( hasPredefinedScales() )
{
if ( checked )
{
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Atlas Scales" ) );
mMapItem->setAtlasScalingMode( QgsLayoutItemMap::Predefined );
mMapItem->layout()->undoStack()->endCommand();
updateMapForAtlas();
}
}
else
{
// restore to fixed scale if no predefined scales exist
whileBlocking( mAtlasFixedScaleRadio )->setChecked( true );
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Atlas Mode" ) );
mMapItem->setAtlasScalingMode( QgsLayoutItemMap::Fixed );
mMapItem->layout()->undoStack()->endCommand();
}
}
void QgsLayoutMapWidget::mScaleLineEdit_editingFinished()
{
if ( !mMapItem )
{
return;
}
bool conversionSuccess = false;
double scaleDenominator = QLocale().toDouble( mScaleLineEdit->text(), &conversionSuccess );
if ( !conversionSuccess )
{
return;
}
if ( std::round( scaleDenominator ) == std::round( mMapItem->scale() ) )
return;
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Scale" ) );
mMapItem->setScale( scaleDenominator );
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::rotationChanged( double value )
{
if ( !mMapItem )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Rotation" ), QgsLayoutItem::UndoMapRotation );
mMapItem->setMapRotation( value );
mMapItem->layout()->undoStack()->endCommand();
mMapItem->invalidateCache();
}
void QgsLayoutMapWidget::mSetToMapCanvasExtentButton_clicked()
{
if ( !mMapItem )
{
return;
}
QgsRectangle newExtent = QgisApp::instance()->mapCanvas()->mapSettings().visibleExtent();
//transform?
if ( QgisApp::instance()->mapCanvas()->mapSettings().destinationCrs()
!= mMapItem->crs() )
{
try
{
QgsCoordinateTransform xForm( QgisApp::instance()->mapCanvas()->mapSettings().destinationCrs(),
mMapItem->crs(), QgsProject::instance() );
newExtent = xForm.transformBoundingBox( newExtent );
}
catch ( QgsCsException & )
{
//transform failed, better not proceed
return;
}
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Extent" ) );
mMapItem->zoomToExtent( newExtent );
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::mViewExtentInCanvasButton_clicked()
{
if ( !mMapItem )
{
return;
}
QgsRectangle currentMapExtent = mMapItem->extent();
if ( !currentMapExtent.isEmpty() )
{
//transform?
if ( QgisApp::instance()->mapCanvas()->mapSettings().destinationCrs()
!= mMapItem->crs() )
{
try
{
QgsCoordinateTransform xForm( mMapItem->crs(),
QgisApp::instance()->mapCanvas()->mapSettings().destinationCrs(), QgsProject::instance() );
currentMapExtent = xForm.transformBoundingBox( currentMapExtent );
}
catch ( QgsCsException & )
{
//transform failed, better not proceed
return;
}
}
QgisApp::instance()->mapCanvas()->setExtent( currentMapExtent );
QgisApp::instance()->mapCanvas()->refresh();
}
}
void QgsLayoutMapWidget::mXMinLineEdit_editingFinished()
{
updateComposerExtentFromGui();
}
void QgsLayoutMapWidget::mXMaxLineEdit_editingFinished()
{
updateComposerExtentFromGui();
}
void QgsLayoutMapWidget::mYMinLineEdit_editingFinished()
{
updateComposerExtentFromGui();
}
void QgsLayoutMapWidget::mYMaxLineEdit_editingFinished()
{
updateComposerExtentFromGui();
}
void QgsLayoutMapWidget::updateGuiElements()
{
if ( !mMapItem )
{
return;
}
blockAllSignals( true );
mLabel->setText( mMapItem->displayName() );
whileBlocking( mCrsSelector )->setCrs( mMapItem->presetCrs() );
//width, height, scale
double scale = mMapItem->scale();
//round scale to an appropriate number of decimal places
if ( scale >= 10 )
{
//round scale to integer if it's greater than 10
mScaleLineEdit->setText( QLocale().toString( mMapItem->scale(), 'f', 0 ) );
}
else if ( scale >= 1 )
{
//don't round scale if it's less than 10, instead use 4 decimal places
mScaleLineEdit->setText( QLocale().toString( mMapItem->scale(), 'f', 4 ) );
}
else
{
//if scale < 1 then use 10 decimal places
mScaleLineEdit->setText( QLocale().toString( mMapItem->scale(), 'f', 10 ) );
}
//composer map extent
QgsRectangle composerMapExtent = mMapItem->extent();
mXMinLineEdit->setText( QLocale().toString( composerMapExtent.xMinimum(), 'f', 3 ) );
mXMaxLineEdit->setText( QLocale().toString( composerMapExtent.xMaximum(), 'f', 3 ) );
mYMinLineEdit->setText( QLocale().toString( composerMapExtent.yMinimum(), 'f', 3 ) );
mYMaxLineEdit->setText( QLocale().toString( composerMapExtent.yMaximum(), 'f', 3 ) );
mMapRotationSpinBox->setValue( mMapItem->mapRotation( QgsLayoutObject::OriginalValue ) );
// follow preset checkbox
mFollowVisibilityPresetCheckBox->setCheckState(
mMapItem->followVisibilityPreset() ? Qt::Checked : Qt::Unchecked );
int presetModelIndex = mFollowVisibilityPresetCombo->findText( mMapItem->followVisibilityPresetName() );
mFollowVisibilityPresetCombo->setCurrentIndex( presetModelIndex != -1 ? presetModelIndex : 0 ); // 0 == none
//keep layer list checkbox
if ( mMapItem->keepLayerSet() )
{
mKeepLayerListCheckBox->setCheckState( Qt::Checked );
}
else
{
mKeepLayerListCheckBox->setCheckState( Qt::Unchecked );
}
mKeepLayerStylesCheckBox->setEnabled( mMapItem->keepLayerSet() );
mKeepLayerStylesCheckBox->setCheckState( mMapItem->keepLayerStyles() ? Qt::Checked : Qt::Unchecked );
//draw canvas items
if ( mMapItem->drawAnnotations() )
{
mDrawCanvasItemsCheckBox->setCheckState( Qt::Checked );
}
else
{
mDrawCanvasItemsCheckBox->setCheckState( Qt::Unchecked );
}
//atlas controls
mAtlasCheckBox->setChecked( mMapItem->atlasDriven() );
mAtlasMarginSpinBox->setValue( static_cast<int>( mMapItem->atlasMargin( QgsLayoutObject::OriginalValue ) * 100 ) );
mAtlasFixedScaleRadio->setEnabled( mMapItem->atlasDriven() );
mAtlasFixedScaleRadio->setChecked( mMapItem->atlasScalingMode() == QgsLayoutItemMap::Fixed );
mAtlasMarginSpinBox->setEnabled( mMapItem->atlasScalingMode() == QgsLayoutItemMap::Auto );
mAtlasMarginRadio->setEnabled( mMapItem->atlasDriven() );
mAtlasMarginRadio->setChecked( mMapItem->atlasScalingMode() == QgsLayoutItemMap::Auto );
mAtlasPredefinedScaleRadio->setEnabled( mMapItem->atlasDriven() );
mAtlasPredefinedScaleRadio->setChecked( mMapItem->atlasScalingMode() == QgsLayoutItemMap::Predefined );
if ( mMapItem->atlasDriven() )
{
toggleAtlasScalingOptionsByLayerType();
}
// disable predefined scales if none are defined
if ( !hasPredefinedScales() )
{
mAtlasPredefinedScaleRadio->setEnabled( false );
}
populateDataDefinedButtons();
loadGridEntries();
loadOverviewEntries();
blockAllSignals( false );
}
void QgsLayoutMapWidget::toggleAtlasScalingOptionsByLayerType()
{
if ( !mMapItem )
{
return;
}
//get atlas coverage layer
QgsVectorLayer *layer = coverageLayer();
if ( !layer )
{
return;
}
if ( QgsWkbTypes::geometryType( layer->wkbType() ) == QgsWkbTypes::PointGeometry )
{
//For point layers buffer setting makes no sense, so set "fixed scale" on and disable margin control
mAtlasFixedScaleRadio->setChecked( true );
mAtlasMarginRadio->setEnabled( false );
mAtlasPredefinedScaleRadio->setEnabled( false );
}
else
{
//Not a point layer, so enable changes to fixed scale control
mAtlasMarginRadio->setEnabled( true );
mAtlasPredefinedScaleRadio->setEnabled( true );
}
}
void QgsLayoutMapWidget::updateComposerExtentFromGui()
{
if ( !mMapItem )
{
return;
}
double xmin, ymin, xmax, ymax;
bool conversionSuccess;
xmin = QLocale().toDouble( mXMinLineEdit->text(), &conversionSuccess );
if ( !conversionSuccess )
return;
xmax = QLocale().toDouble( mXMaxLineEdit->text(), &conversionSuccess );
if ( !conversionSuccess )
return;
ymin = QLocale().toDouble( mYMinLineEdit->text(), &conversionSuccess );
if ( !conversionSuccess )
return;
ymax = QLocale().toDouble( mYMaxLineEdit->text(), &conversionSuccess );
if ( !conversionSuccess )
return;
QgsRectangle newExtent( xmin, ymin, xmax, ymax );
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Extent" ) );
mMapItem->setExtent( newExtent );
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::blockAllSignals( bool b )
{
mScaleLineEdit->blockSignals( b );
mXMinLineEdit->blockSignals( b );
mXMaxLineEdit->blockSignals( b );
mYMinLineEdit->blockSignals( b );
mYMaxLineEdit->blockSignals( b );
mDrawCanvasItemsCheckBox->blockSignals( b );
mOverviewFrameMapComboBox->blockSignals( b );
mOverviewFrameStyleButton->blockSignals( b );
mOverviewBlendModeComboBox->blockSignals( b );
mOverviewInvertCheckbox->blockSignals( b );
mOverviewCenterCheckbox->blockSignals( b );
mAtlasCheckBox->blockSignals( b );
mAtlasMarginSpinBox->blockSignals( b );
mAtlasFixedScaleRadio->blockSignals( b );
mAtlasMarginRadio->blockSignals( b );
mFollowVisibilityPresetCheckBox->blockSignals( b );
mFollowVisibilityPresetCombo->blockSignals( b );
mKeepLayerListCheckBox->blockSignals( b );
mKeepLayerStylesCheckBox->blockSignals( b );
mSetToMapCanvasExtentButton->blockSignals( b );
mUpdatePreviewButton->blockSignals( b );
blockOverviewItemsSignals( b );
}
void QgsLayoutMapWidget::handleChangedFrameDisplay( QgsLayoutItemMapGrid::BorderSide border, const QgsLayoutItemMapGrid::DisplayMode mode )
{
QgsLayoutItemMapGrid *grid = currentGrid();
if ( !grid )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Frame Divisions" ) );
grid->setFrameDivisions( mode, border );
mMapItem->layout()->undoStack()->endCommand();
mMapItem->updateBoundingRect();
}
void QgsLayoutMapWidget::handleChangedAnnotationDisplay( QgsLayoutItemMapGrid::BorderSide border, const QString &text )
{
QgsLayoutItemMapGrid *grid = currentGrid();
if ( !grid )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Annotation Display" ) );
if ( text == tr( "Show all" ) )
{
grid->setAnnotationDisplay( QgsLayoutItemMapGrid::ShowAll, border );
}
else if ( text == tr( "Show latitude only" ) )
{
grid->setAnnotationDisplay( QgsLayoutItemMapGrid::LatitudeOnly, border );
}
else if ( text == tr( "Show longitude only" ) )
{
grid->setAnnotationDisplay( QgsLayoutItemMapGrid::LongitudeOnly, border );
}
else //disabled
{
grid->setAnnotationDisplay( QgsLayoutItemMapGrid::HideAll, border );
}
mMapItem->updateBoundingRect();
mMapItem->update();
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::mUpdatePreviewButton_clicked()
{
if ( !mMapItem )
{
return;
}
mMapItem->refresh();
}
void QgsLayoutMapWidget::mFollowVisibilityPresetCheckBox_stateChanged( int state )
{
if ( !mMapItem )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Preset" ) );
if ( state == Qt::Checked )
{
mMapItem->setFollowVisibilityPreset( true );
// mutually exclusive with keeping custom layer list
mKeepLayerListCheckBox->setCheckState( Qt::Unchecked );
mKeepLayerStylesCheckBox->setCheckState( Qt::Unchecked );
mMapItem->invalidateCache();
}
else
{
mMapItem->setFollowVisibilityPreset( false );
}
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::mKeepLayerListCheckBox_stateChanged( int state )
{
if ( !mMapItem )
{
return;
}
// update map
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Map Preset Changed" ) );
storeCurrentLayerSet();
mMapItem->setKeepLayerSet( state == Qt::Checked );
if ( state == Qt::Unchecked )
{
mMapItem->setLayers( QList< QgsMapLayer * >() );
}
mMapItem->layout()->undoStack()->endCommand();
// update gui
if ( state == Qt::Checked )
{
// mutually exclusive with following a preset
mFollowVisibilityPresetCheckBox->setCheckState( Qt::Unchecked );
}
else
{
mKeepLayerStylesCheckBox->setChecked( Qt::Unchecked );
mMapItem->invalidateCache();
}
mKeepLayerStylesCheckBox->setEnabled( state == Qt::Checked );
}
void QgsLayoutMapWidget::mKeepLayerStylesCheckBox_stateChanged( int state )
{
if ( !mMapItem )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Map Preset" ) );
if ( state == Qt::Checked )
{
mMapItem->storeCurrentLayerStyles();
mMapItem->setKeepLayerStyles( true );
}
else
{
mMapItem->setLayerStyleOverrides( QMap<QString, QString>() );
mMapItem->setKeepLayerStyles( false );
}
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::mDrawCanvasItemsCheckBox_stateChanged( int state )
{
if ( !mMapItem )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Toggle Map Item" ) );
mMapItem->setDrawAnnotations( state == Qt::Checked );
mMapItem->invalidateCache();
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::insertAnnotationPositionEntries( QComboBox *c )
{
c->insertItem( 0, tr( "Inside frame" ) );
c->insertItem( 1, tr( "Outside frame" ) );
}
void QgsLayoutMapWidget::insertAnnotationDirectionEntries( QComboBox *c )
{
c->addItem( tr( "Horizontal" ), QgsLayoutItemMapGrid::Horizontal );
c->addItem( tr( "Vertical ascending" ), QgsLayoutItemMapGrid::Vertical );
c->addItem( tr( "Vertical descending" ), QgsLayoutItemMapGrid::VerticalDescending );
}
void QgsLayoutMapWidget::initFrameDisplayBox( QComboBox *c, QgsLayoutItemMapGrid::DisplayMode display )
{
if ( !c )
{
return;
}
c->setCurrentIndex( c->findData( display ) );
}
void QgsLayoutMapWidget::initAnnotationDisplayBox( QComboBox *c, QgsLayoutItemMapGrid::DisplayMode display )
{
if ( !c )
{
return;
}
if ( display == QgsLayoutItemMapGrid::ShowAll )
{
c->setCurrentIndex( c->findText( tr( "Show all" ) ) );
}
else if ( display == QgsLayoutItemMapGrid::LatitudeOnly )
{
c->setCurrentIndex( c->findText( tr( "Show latitude only" ) ) );
}
else if ( display == QgsLayoutItemMapGrid::LongitudeOnly )
{
c->setCurrentIndex( c->findText( tr( "Show longitude only" ) ) );
}
else
{
c->setCurrentIndex( c->findText( tr( "Disabled" ) ) );
}
}
void QgsLayoutMapWidget::handleChangedAnnotationPosition( QgsLayoutItemMapGrid::BorderSide border, const QString &text )
{
QgsLayoutItemMapGrid *grid = currentGrid();
if ( !grid )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Annotation Position" ) );
if ( text == tr( "Inside frame" ) )
{
grid->setAnnotationPosition( QgsLayoutItemMapGrid::InsideMapFrame, border );
}
else //Outside frame
{
grid->setAnnotationPosition( QgsLayoutItemMapGrid::OutsideMapFrame, border );
}
mMapItem->updateBoundingRect();
mMapItem->update();
mMapItem->layout()->undoStack()->endCommand();
}
void QgsLayoutMapWidget::handleChangedAnnotationDirection( QgsLayoutItemMapGrid::BorderSide border, QgsLayoutItemMapGrid::AnnotationDirection direction )
{
QgsLayoutItemMapGrid *grid = currentGrid();
if ( !grid )
{
return;
}
mMapItem->layout()->undoStack()->beginCommand( mMapItem, tr( "Change Annotation Direction" ) );
grid->setAnnotationDirection( direction, border );