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qgslayoutapputils.cpp
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qgslayoutapputils.cpp
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/***************************************************************************
qgslayoutapputils.cpp
---------------------
Date : October 2017
Copyright : (C) 2017 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 "qgslayoutapputils.h"
#include "qgsgui.h"
#include "qgslayout.h"
#include "qgslayoutitemguiregistry.h"
#include "qgslayoutitemregistry.h"
#include "qgslayoutviewrubberband.h"
#include "qgslayoutitemshape.h"
#include "qgslayoutmapwidget.h"
#include "qgslayoutshapewidget.h"
#include "qgslayoutitemmap.h"
#include "qgslayoutitempolygon.h"
#include "qgslayoutitempolyline.h"
#include "qgslayoutpolygonwidget.h"
#include "qgslayoutpolylinewidget.h"
#include "qgslayoutpicturewidget.h"
#include "qgslayoutitempicture.h"
#include "qgslayoutitemlabel.h"
#include "qgslayoutlabelwidget.h"
#include "qgisapp.h"
#include "qgsmapcanvas.h"
void QgsLayoutAppUtils::registerGuiForKnownItemTypes()
{
QgsLayoutItemGuiRegistry *registry = QgsGui::layoutItemGuiRegistry();
registry->addItemGroup( QgsLayoutItemGuiGroup( QStringLiteral( "shapes" ), QObject::tr( "Shape" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddBasicShape.svg" ) ) ) );
registry->addItemGroup( QgsLayoutItemGuiGroup( QStringLiteral( "nodes" ), QObject::tr( "Node Item" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddNodesItem.svg" ) ) ) );
auto createRubberBand = ( []( QgsLayoutView * view )->QgsLayoutViewRubberBand *
{
return new QgsLayoutViewRectangularRubberBand( view );
} );
auto createEllipseBand = ( []( QgsLayoutView * view )->QgsLayoutViewRubberBand *
{
return new QgsLayoutViewEllipticalRubberBand( view );
} );
auto createTriangleBand = ( []( QgsLayoutView * view )->QgsLayoutViewRubberBand *
{
return new QgsLayoutViewTriangleRubberBand( view );
} );
registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutItem + 1002, QStringLiteral( "test" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddLabel.svg" ) ), nullptr, createRubberBand ) );
// map item
auto mapItemMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata >( QgsLayoutItemRegistry::LayoutMap, QObject::tr( "Map" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddMap.svg" ) ),
[ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
{
return new QgsLayoutMapWidget( qobject_cast< QgsLayoutItemMap * >( item ) );
}, createRubberBand );
mapItemMetadata->setItemAddedToLayoutFunction( [ = ]( QgsLayoutItem * item )
{
QgsLayoutItemMap *map = qobject_cast< QgsLayoutItemMap * >( item );
Q_ASSERT( map );
if ( QgisApp::instance()->mapCanvas() )
{
map->zoomToExtent( QgisApp::instance()->mapCanvas()->mapSettings().visibleExtent() );
}
} );
registry->addLayoutItemGuiMetadata( mapItemMetadata.release() );
// picture item
registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutPicture, QObject::tr( "Picture" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddImage.svg" ) ),
[ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
{
return new QgsLayoutPictureWidget( qobject_cast< QgsLayoutItemPicture * >( item ) );
}, createRubberBand ) );
// label item
auto labelItemMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata >( QgsLayoutItemRegistry::LayoutLabel, QObject::tr( "Label" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionLabel.svg" ) ),
[ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
{
return new QgsLayoutLabelWidget( qobject_cast< QgsLayoutItemLabel * >( item ) );
}, createRubberBand );
labelItemMetadata->setItemAddedToLayoutFunction( [ = ]( QgsLayoutItem * item )
{
QgsLayoutItemLabel *label = qobject_cast< QgsLayoutItemLabel * >( item );
Q_ASSERT( label );
label->setText( QObject::tr( "Lorem ipsum" ) );
QSizeF minSize = label->sizeForText();
QSizeF currentSize = label->rect().size();
//make sure label size is sufficient to fit text
double labelWidth = std::max( minSize.width(), currentSize.width() );
double labelHeight = std::max( minSize.height(), currentSize.height() );
label->attemptSetSceneRect( QRectF( label->pos().x(), label->pos().y(), labelWidth, labelHeight ) );
} );
registry->addLayoutItemGuiMetadata( labelItemMetadata.release() );
// shape items
auto createShapeWidget =
[]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
{
return new QgsLayoutShapeWidget( qobject_cast< QgsLayoutItemShape * >( item ) );
};
registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutShape, QObject::tr( "Rectangle" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddBasicRectangle.svg" ) ), createShapeWidget, createRubberBand, QStringLiteral( "shapes" ), false, 0, []( QgsLayout * layout )->QgsLayoutItem*
{
std::unique_ptr< QgsLayoutItemShape > shape = qgis::make_unique< QgsLayoutItemShape >( layout );
shape->setShapeType( QgsLayoutItemShape::Rectangle );
return shape.release();
} ) );
registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutShape, QObject::tr( "Ellipse" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddBasicCircle.svg" ) ), createShapeWidget, createEllipseBand, QStringLiteral( "shapes" ), false, 0, []( QgsLayout * layout )->QgsLayoutItem*
{
std::unique_ptr< QgsLayoutItemShape > shape = qgis::make_unique< QgsLayoutItemShape >( layout );
shape->setShapeType( QgsLayoutItemShape::Ellipse );
return shape.release();
} ) );
registry->addLayoutItemGuiMetadata( new QgsLayoutItemGuiMetadata( QgsLayoutItemRegistry::LayoutShape, QObject::tr( "Triangle" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddBasicTriangle.svg" ) ), createShapeWidget, createTriangleBand, QStringLiteral( "shapes" ), false, 0, []( QgsLayout * layout )->QgsLayoutItem*
{
std::unique_ptr< QgsLayoutItemShape > shape = qgis::make_unique< QgsLayoutItemShape >( layout );
shape->setShapeType( QgsLayoutItemShape::Triangle );
return shape.release();
} ) );
// node items
std::unique_ptr< QgsLayoutItemGuiMetadata > polygonMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata >(
QgsLayoutItemRegistry::LayoutPolygon, QObject::tr( "Polygon" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddPolygon.svg" ) ),
[ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
{
return new QgsLayoutPolygonWidget( qobject_cast< QgsLayoutItemPolygon * >( item ) );
}, createRubberBand, QStringLiteral( "nodes" ), true );
polygonMetadata->setNodeRubberBandCreationFunction( []( QgsLayoutView * )->QGraphicsPolygonItem*
{
std::unique_ptr< QGraphicsPolygonItem > band = qgis::make_unique< QGraphicsPolygonItem >();
band->setBrush( Qt::NoBrush );
band->setPen( QPen( QBrush( QColor( 227, 22, 22, 200 ) ), 0 ) );
band->setZValue( QgsLayout::ZViewTool );
return band.release();
} );
registry->addLayoutItemGuiMetadata( polygonMetadata.release() );
std::unique_ptr< QgsLayoutItemGuiMetadata > polylineMetadata = qgis::make_unique< QgsLayoutItemGuiMetadata>(
QgsLayoutItemRegistry::LayoutPolyline, QObject::tr( "Polyline" ), QgsApplication::getThemeIcon( QStringLiteral( "/mActionAddPolyline.svg" ) ),
[ = ]( QgsLayoutItem * item )->QgsLayoutItemBaseWidget *
{
return new QgsLayoutPolylineWidget( qobject_cast< QgsLayoutItemPolyline * >( item ) );
}, createRubberBand, QStringLiteral( "nodes" ), true );
polylineMetadata->setNodeRubberBandCreationFunction( []( QgsLayoutView * )->QGraphicsPathItem*
{
std::unique_ptr< QGraphicsPathItem > band = qgis::make_unique< QGraphicsPathItem >();
band->setPen( QPen( QBrush( QColor( 227, 22, 22, 200 ) ), 0 ) );
band->setZValue( QgsLayout::ZViewTool );
return band.release();
} );
registry->addLayoutItemGuiMetadata( polylineMetadata.release() );
}