18#include "moc_qgscoordinatereferencesystemmodel.cpp"
26 : QAbstractItemModel( parent )
27 , mRootNode( std::make_unique<QgsCoordinateReferenceSystemModelGroupNode>( QString(), QIcon(), QString() ) )
40 if ( !
index.isValid() )
42 return Qt::ItemFlags();
45 QgsCoordinateReferenceSystemModelNode *n = index2node(
index );
47 return Qt::ItemFlags();
49 switch ( n->nodeType() )
51 case QgsCoordinateReferenceSystemModelNode::NodeGroup:
52 return index.column() == 0 ? Qt::ItemIsEnabled : Qt::ItemFlags();
53 case QgsCoordinateReferenceSystemModelNode::NodeCrs:
54 return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
61 if ( !
index.isValid() )
64 QgsCoordinateReferenceSystemModelNode *n = index2node(
index );
71 switch ( n->nodeType() )
73 case QgsCoordinateReferenceSystemModelNode::NodeGroup:
75 QgsCoordinateReferenceSystemModelGroupNode *groupNode = qgis::down_cast<QgsCoordinateReferenceSystemModelGroupNode *>( n );
78 case Qt::DecorationRole:
79 switch (
index.column() )
82 return groupNode->icon();
90 switch (
index.column() )
93 return groupNode->name();
103 font.setItalic(
true );
104 if ( groupNode->parent() == mRootNode.get() )
106 font.setBold(
true );
112 return groupNode->id();
116 case QgsCoordinateReferenceSystemModelNode::NodeCrs:
118 QgsCoordinateReferenceSystemModelCrsNode *crsNode = qgis::down_cast<QgsCoordinateReferenceSystemModelCrsNode *>( n );
121 case Qt::DisplayRole:
122 case Qt::ToolTipRole:
123 switch (
index.column() )
126 return crsNode->record().description;
130 if ( crsNode->record().authName == QLatin1String(
"CUSTOM" ) )
132 return QStringLiteral(
"%1:%2" ).arg( crsNode->record().authName, crsNode->record().authId );
141 return crsNode->record().description;
144 if ( !crsNode->record().authId.isEmpty() )
145 return QStringLiteral(
"%1:%2" ).arg( crsNode->record().authName, crsNode->record().authId );
150 return crsNode->record().deprecated;
153 return QVariant::fromValue( crsNode->record().type );
156 return crsNode->wkt();
159 return crsNode->proj();
162 return crsNode->group();
165 return crsNode->projection();
177 if ( orientation == Qt::Horizontal )
181 case Qt::DisplayRole:
185 return tr(
"Coordinate Reference System" );
187 return tr(
"Authority ID" );
202 QgsCoordinateReferenceSystemModelNode *n = index2node(
parent );
206 return n->children().count();
216 if ( !hasIndex( row, column,
parent ) )
217 return QModelIndex();
219 QgsCoordinateReferenceSystemModelNode *n = index2node(
parent );
221 return QModelIndex();
223 return createIndex( row, column, n->children().at( row ) );
228 if ( !child.isValid() )
229 return QModelIndex();
231 if ( QgsCoordinateReferenceSystemModelNode *n = index2node( child ) )
233 return indexOfParentTreeNode( n->parent() );
238 return QModelIndex();
244 const QModelIndex startIndex =
index( 0, 0 );
245 const QModelIndexList hits = match( startIndex,
static_cast<int>(
CustomRole::AuthId ), authid, 1, Qt::MatchRecursive );
246 return hits.value( 0 );
249void QgsCoordinateReferenceSystemModel::rebuild()
253 mRootNode->deleteChildren();
255 for (
const QgsCrsDbRecord &record : std::as_const( mCrsDbRecords ) )
264 userRecord.
authName = QStringLiteral(
"USER" );
265 userRecord.
authId = QString::number( details.id );
268 addRecord( userRecord );
274void QgsCoordinateReferenceSystemModel::userCrsAdded(
const QString &
id )
279 if ( QStringLiteral(
"USER:%1" ).arg( details.id ) ==
id )
282 userRecord.
authName = QStringLiteral(
"USER" );
283 userRecord.
authId = QString::number( details.id );
286 QgsCoordinateReferenceSystemModelGroupNode *group = mRootNode->getChildGroupNode( QStringLiteral(
"USER" ) );
289 std::unique_ptr<QgsCoordinateReferenceSystemModelGroupNode> newGroup = std::make_unique<QgsCoordinateReferenceSystemModelGroupNode>(
290 tr(
"User-defined" ),
293 beginInsertRows( QModelIndex(), mRootNode->children().length(), mRootNode->children().length() );
294 mRootNode->addChildNode( newGroup.get() );
296 group = newGroup.release();
299 const QModelIndex parentGroupIndex = node2index( group );
301 beginInsertRows( parentGroupIndex, group->children().size(), group->children().size() );
302 QgsCoordinateReferenceSystemModelCrsNode *crsNode = addRecord( userRecord );
303 crsNode->setProj( details.proj );
304 crsNode->setWkt( details.wkt );
311void QgsCoordinateReferenceSystemModel::userCrsRemoved(
long id )
313 QgsCoordinateReferenceSystemModelGroupNode *group = mRootNode->getChildGroupNode( QStringLiteral(
"USER" ) );
316 for (
int row = 0; row < group->children().size(); ++row )
318 if ( QgsCoordinateReferenceSystemModelCrsNode *crsNode =
dynamic_cast<QgsCoordinateReferenceSystemModelCrsNode *
>( group->children().at( row ) ) )
320 if ( crsNode->record().authId == QString::number(
id ) )
322 const QModelIndex parentIndex = node2index( group );
323 beginRemoveRows( parentIndex, row, row );
324 delete group->takeChild( crsNode );
333void QgsCoordinateReferenceSystemModel::userCrsChanged(
const QString &
id )
335 QgsCoordinateReferenceSystemModelGroupNode *group = mRootNode->getChildGroupNode( QStringLiteral(
"USER" ) );
338 for (
int row = 0; row < group->children().size(); ++row )
340 if ( QgsCoordinateReferenceSystemModelCrsNode *crsNode =
dynamic_cast<QgsCoordinateReferenceSystemModelCrsNode *
>( group->children().at( row ) ) )
342 if ( QStringLiteral(
"USER:%1" ).arg( crsNode->record().authId ) ==
id )
345 const QModelIndex parentIndex = node2index( group );
346 beginRemoveRows( parentIndex, row, row );
347 delete group->takeChild( crsNode );
358QgsCoordinateReferenceSystemModelCrsNode *QgsCoordinateReferenceSystemModel::addRecord(
const QgsCrsDbRecord &record )
360 QgsCoordinateReferenceSystemModelGroupNode *parentNode = mRootNode.get();
361 std::unique_ptr<QgsCoordinateReferenceSystemModelCrsNode> crsNode = std::make_unique<QgsCoordinateReferenceSystemModelCrsNode>( record );
366 if ( record.
authName == QLatin1String(
"USER" ) )
368 groupName = tr(
"User-defined" );
369 groupId = QStringLiteral(
"USER" );
372 else if ( record.
authName == QLatin1String(
"CUSTOM" ) )
375 groupId = QStringLiteral(
"CUSTOM" );
380 switch ( record.
type )
385 groupName = tr(
"Geodetic" );
389 groupName = tr(
"Geocentric" );
393 groupName = tr(
"Geographic (2D)" );
398 groupName = tr(
"Geographic (3D)" );
403 groupName = tr(
"Vertical" );
408 groupName = tr(
"Projected" );
413 groupName = tr(
"Compound" );
417 groupName = tr(
"Temporal" );
421 groupName = tr(
"Engineering" );
425 groupName = tr(
"Bound" );
429 groupName = tr(
"Other" );
433 crsNode->setGroup( groupName );
435 if ( QgsCoordinateReferenceSystemModelGroupNode *group = parentNode->getChildGroupNode( groupId ) )
441 std::unique_ptr<QgsCoordinateReferenceSystemModelGroupNode> newGroup = std::make_unique<QgsCoordinateReferenceSystemModelGroupNode>( groupName, groupIcon, groupId );
442 parentNode->addChildNode( newGroup.get() );
443 parentNode = newGroup.release();
449 if ( projectionName.isEmpty() )
450 projectionName = tr(
"Other" );
452 crsNode->setProjection( projectionName );
454 if ( QgsCoordinateReferenceSystemModelGroupNode *group = parentNode->getChildGroupNode( record.
projectionAcronym ) )
460 std::unique_ptr<QgsCoordinateReferenceSystemModelGroupNode> newGroup = std::make_unique<QgsCoordinateReferenceSystemModelGroupNode>( projectionName, QIcon(), record.
projectionAcronym );
461 parentNode->addChildNode( newGroup.get() );
462 parentNode = newGroup.release();
466 parentNode->addChildNode( crsNode.get() );
467 return crsNode.release();
473 userRecord.
authName = QStringLiteral(
"CUSTOM" );
477 QgsCoordinateReferenceSystemModelGroupNode *group = mRootNode->getChildGroupNode( QStringLiteral(
"CUSTOM" ) );
480 std::unique_ptr<QgsCoordinateReferenceSystemModelGroupNode> newGroup = std::make_unique<QgsCoordinateReferenceSystemModelGroupNode>(
484 beginInsertRows( QModelIndex(), mRootNode->children().length(), mRootNode->children().length() );
485 mRootNode->addChildNode( newGroup.get() );
487 group = newGroup.release();
490 const QModelIndex parentGroupIndex = node2index( group );
492 const int newRow = group->children().size();
493 beginInsertRows( parentGroupIndex, newRow, newRow );
494 QgsCoordinateReferenceSystemModelCrsNode *node = addRecord( userRecord );
499 return index( newRow, 0, parentGroupIndex );
502QgsCoordinateReferenceSystemModelNode *QgsCoordinateReferenceSystemModel::index2node(
const QModelIndex &index )
const
504 if ( !
index.isValid() )
505 return mRootNode.get();
507 return reinterpret_cast<QgsCoordinateReferenceSystemModelNode *
>(
index.internalPointer() );
510QModelIndex QgsCoordinateReferenceSystemModel::node2index( QgsCoordinateReferenceSystemModelNode *node )
const
512 if ( !node || !node->parent() )
513 return QModelIndex();
515 QModelIndex parentIndex = node2index( node->parent() );
517 int row = node->parent()->children().indexOf( node );
518 Q_ASSERT( row >= 0 );
519 return index( row, 0, parentIndex );
522QModelIndex QgsCoordinateReferenceSystemModel::indexOfParentTreeNode( QgsCoordinateReferenceSystemModelNode *parentNode )
const
524 Q_ASSERT( parentNode );
526 QgsCoordinateReferenceSystemModelNode *grandParentNode = parentNode->parent();
527 if ( !grandParentNode )
528 return QModelIndex();
530 int row = grandParentNode->children().indexOf( parentNode );
531 Q_ASSERT( row >= 0 );
533 return createIndex( row, 0, parentNode );
537QgsCoordinateReferenceSystemModelNode::~QgsCoordinateReferenceSystemModelNode()
539 qDeleteAll( mChildren );
542QgsCoordinateReferenceSystemModelNode *QgsCoordinateReferenceSystemModelNode::takeChild( QgsCoordinateReferenceSystemModelNode *node )
544 return mChildren.takeAt( mChildren.indexOf( node ) );
547void QgsCoordinateReferenceSystemModelNode::addChildNode( QgsCoordinateReferenceSystemModelNode *node )
552 Q_ASSERT( !node->mParent );
553 node->mParent =
this;
555 mChildren.append( node );
558void QgsCoordinateReferenceSystemModelNode::deleteChildren()
560 qDeleteAll( mChildren );
564QgsCoordinateReferenceSystemModelGroupNode *QgsCoordinateReferenceSystemModelNode::getChildGroupNode(
const QString &
id )
566 for ( QgsCoordinateReferenceSystemModelNode *node : std::as_const( mChildren ) )
568 if ( node->nodeType() == NodeGroup )
570 QgsCoordinateReferenceSystemModelGroupNode *groupNode = qgis::down_cast<QgsCoordinateReferenceSystemModelGroupNode *>( node );
571 if ( groupNode && groupNode->id() ==
id )
578QgsCoordinateReferenceSystemModelGroupNode::QgsCoordinateReferenceSystemModelGroupNode(
const QString &name,
const QIcon &icon,
const QString &
id )
585QgsCoordinateReferenceSystemModelCrsNode::QgsCoordinateReferenceSystemModelCrsNode(
const QgsCrsDbRecord &record )
597 : QSortFilterProxyModel( parent )
600 setSourceModel( mModel );
601 setDynamicSortFilter(
true );
602 setSortLocaleAware(
true );
603 setFilterCaseSensitivity( Qt::CaseInsensitive );
604 setRecursiveFilteringEnabled(
true );
629 mFilterString = filter;
635 if ( mFilterAuthIds == filter )
638 mFilterAuthIds.clear();
639 mFilterAuthIds.reserve( filter.size() );
640 for (
const QString &
id : filter )
642 mFilterAuthIds.insert(
id.toUpper() );
649 if ( mFilterDeprecated == filter )
652 mFilterDeprecated = filter;
658 if ( mFilterString.trimmed().isEmpty() && !mFilters && !mFilterDeprecated && mFilterAuthIds.isEmpty() )
661 const QModelIndex sourceIndex = mModel->
index( sourceRow, 0, sourceParent );
665 case QgsCoordinateReferenceSystemModelNode::NodeGroup:
667 case QgsCoordinateReferenceSystemModelNode::NodeCrs:
672 if ( mFilterDeprecated && deprecated )
710 if ( !mFilterAuthIds.isEmpty() )
712 if ( !mFilterAuthIds.contains( authid.toUpper() ) )
716 if ( !mFilterString.trimmed().isEmpty() )
719 QString candidate = name;
721 if ( !groupName.isEmpty() )
722 candidate +=
' ' + groupName;
724 if ( !projectionName.isEmpty() )
725 candidate +=
' ' + projectionName;
728 || authid.contains( mFilterString, Qt::CaseInsensitive ) ) )
739 if ( leftType != rightType )
741 if ( leftType == QgsCoordinateReferenceSystemModelNode::NodeGroup )
743 else if ( rightType == QgsCoordinateReferenceSystemModelNode::NodeGroup )
747 const QString leftStr = sourceModel()->data( left ).toString().toLower();
748 const QString rightStr = sourceModel()->data( right ).toString().toLower();
750 if ( leftType == QgsCoordinateReferenceSystemModelNode::NodeGroup )
755 if ( leftGroupId == QLatin1String(
"USER" ) )
757 if ( rightGroupId == QLatin1String(
"USER" ) )
760 if ( leftGroupId == QLatin1String(
"CUSTOM" ) )
762 if ( rightGroupId == QLatin1String(
"CUSTOM" ) )
767 return QString::localeAwareCompare( leftStr, rightStr ) < 0;
CrsType
Coordinate reference system types.
@ Compound
Compound (horizontal + vertical) CRS.
@ Projected
Projected CRS.
@ DerivedProjected
Derived projected CRS.
@ Engineering
Engineering CRS.
@ Geographic3d
3D geopraphic CRS
@ Geographic2d
2D geographic CRS
@ Geocentric
Geocentric CRS.
@ Preferred
Preferred format, matching the most recent WKT ISO standard. Currently an alias to WKT2_2019,...
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
static QgsCoordinateReferenceSystemRegistry * coordinateReferenceSystemRegistry()
Returns the application's coordinate reference system (CRS) registry, which handles known CRS definit...
A tree model for display of known coordinate reference systems.
int rowCount(const QModelIndex &parent=QModelIndex()) const override
QModelIndex addCustomCrs(const QgsCoordinateReferenceSystem &crs)
Adds a custom crs to the model.
QModelIndex parent(const QModelIndex &index) const override
QgsCoordinateReferenceSystemModel(QObject *parent=nullptr)
Constructor for QgsCoordinateReferenceSystemModel, with the specified parent object.
QVariant headerData(int section, Qt::Orientation orientation, int role) const override
QModelIndex authIdToIndex(const QString &authId) const
Retrieves the model index corresponding to a CRS with the specified authId.
@ Deprecated
true if the CRS is deprecated
@ AuthId
The coordinate reference system authority name and id.
@ Projection
Projection name.
@ GroupId
The node ID (for group nodes)
@ Name
The coordinate reference system name.
@ NodeType
Corresponds to the node's type.
@ Wkt
The coordinate reference system's WKT representation. This is only used for non-standard CRS (i....
@ Type
The coordinate reference system type.
@ Proj
The coordinate reference system's PROJ representation. This is only used for non-standard CRS (i....
QVariant data(const QModelIndex &index, int role) const override
Qt::ItemFlags flags(const QModelIndex &index) const override
int columnCount(const QModelIndex &=QModelIndex()) const override
QModelIndex index(int row, int column, const QModelIndex &parent=QModelIndex()) const override
QgsCoordinateReferenceSystemProxyModel(QObject *parent=nullptr)
Constructor for QgsCoordinateReferenceSystemProxyModel, with the given parent object.
void setFilterDeprecated(bool filter)
Sets whether deprecated CRS should be filtered from the results.
bool lessThan(const QModelIndex &left, const QModelIndex &right) const override
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override
Filters filters() const
Returns any filters that affect how CRS are filtered.
@ FilterVertical
Include vertical CRS (excludes compound CRS containing a vertical component)
@ FilterCompound
Include compound CRS.
@ FilterHorizontal
Include horizontal CRS (excludes compound CRS containing a horizontal component)
QgsCoordinateReferenceSystemModel * coordinateReferenceSystemModel()
Returns the underlying source model.
void setFilterString(const QString &filter)
Sets a filter string, such that only coordinate reference systems matching the specified string will ...
void setFilterAuthIds(const QSet< QString > &filter)
Sets a filter list of CRS auth ID strings, such that only coordinate reference systems matching the s...
void setFilters(QgsCoordinateReferenceSystemProxyModel::Filters filters)
Set filters that affect how CRS are filtered.
Contains details of a custom (user defined) CRS.
QList< QgsCrsDbRecord > crsDbRecords() const
Returns the list of records from the QGIS srs db.
void userCrsAdded(const QString &id)
Emitted whenever a new user CRS definition is added.
void userCrsChanged(const QString &id)
Emitted whenever an existing user CRS definition is changed.
void userCrsRemoved(long id)
Emitted when the user CRS with matching id is removed from the database.
QList< QgsCoordinateReferenceSystemRegistry::UserCrsDetails > userCrsList() const
Returns a list containing the details of all registered custom (user-defined) CRSes.
static QString translateProjection(const QString &projection)
Returns a translated string for a projection method.
This class represents a coordinate reference system (CRS).
QString toProj() const
Returns a Proj string representation of this CRS.
QString toWkt(Qgis::CrsWktVariant variant=Qgis::CrsWktVariant::Wkt1Gdal, bool multiline=false, int indentationWidth=4) const
Returns a WKT representation of this CRS.
Qgis::CrsType type() const
Returns the type of the CRS.
static bool containsByWord(const QString &candidate, const QString &words, Qt::CaseSensitivity sensitivity=Qt::CaseInsensitive)
Given a candidate string, returns true if the candidate contains all the individual words from anothe...
QString qgsEnumValueToKey(const T &value, bool *returnOk=nullptr)
Returns the value for the given key of an enum.
#define BUILTIN_UNREACHABLE
const QgsCoordinateReferenceSystem & crs
QString projectionAcronym