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qgsstyle.cpp
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qgsstyle.cpp
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/***************************************************************************
qgsstyle.cpp
---------------------
begin : November 2009
copyright : (C) 2009 by Martin Dobias
email : wonder dot sk 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 "qgsstyle.h"
#include "qgssymbol.h"
#include "qgscolorramp.h"
#include "qgssymbollayerregistry.h"
#include "qgsapplication.h"
#include "qgslogger.h"
#include "qgsreadwritecontext.h"
#include "qgssettings.h"
#include "qgslegendpatchshape.h"
#include "qgslinestring.h"
#include "qgspolygon.h"
#include "qgsmarkersymbollayer.h"
#include "qgslinesymbollayer.h"
#include "qgsfillsymbollayer.h"
#include "qgsruntimeprofiler.h"
#include "qgsabstract3dsymbol.h"
#include "qgs3dsymbolregistry.h"
#include <QDomDocument>
#include <QDomElement>
#include <QDomNode>
#include <QDomNodeList>
#include <QFile>
#include <QTextStream>
#include <QByteArray>
#include <QFileInfo>
#include <sqlite3.h>
#include "qgssqliteutils.h"
#define STYLE_CURRENT_VERSION "2"
/**
* Columns available in the legend patch table.
*/
enum LegendPatchTable
{
LegendPatchTableId, //!< Legend patch ID
LegendPatchTableName, //!< Legend patch name
LegendPatchTableXML, //!< Legend patch definition (as XML)
LegendPatchTableFavoriteId, //!< Legend patch is favorite flag
};
/**
* Columns available in the 3d symbol table.
*/
enum Symbol3DTable
{
Symbol3DTableId, //!< 3d symbol ID
Symbol3DTableName, //!< 3d symbol name
Symbol3DTableXML, //!< 3d symbol definition (as XML)
Symbol3DTableFavoriteId, //!< 3d symbol is favorite flag
};
QgsStyle *QgsStyle::sDefaultStyle = nullptr;
QgsStyle::QgsStyle()
{
std::unique_ptr< QgsSimpleMarkerSymbolLayer > simpleMarker = std::make_unique< QgsSimpleMarkerSymbolLayer >( QgsSimpleMarkerSymbolLayerBase::Circle,
1.6, 0, QgsSymbol::ScaleArea, QColor( 84, 176, 74 ), QColor( 61, 128, 53 ) );
simpleMarker->setStrokeWidth( 0.4 );
mPatchMarkerSymbol = std::make_unique< QgsMarkerSymbol >( QgsSymbolLayerList() << simpleMarker.release() );
std::unique_ptr< QgsSimpleLineSymbolLayer > simpleLine = std::make_unique< QgsSimpleLineSymbolLayer >( QColor( 84, 176, 74 ), 0.6 );
mPatchLineSymbol = std::make_unique< QgsLineSymbol >( QgsSymbolLayerList() << simpleLine.release() );
std::unique_ptr< QgsGradientFillSymbolLayer > gradientFill = std::make_unique< QgsGradientFillSymbolLayer >( QColor( 66, 150, 63 ), QColor( 84, 176, 74 ) );
std::unique_ptr< QgsSimpleLineSymbolLayer > simpleOutline = std::make_unique< QgsSimpleLineSymbolLayer >( QColor( 56, 128, 54 ), 0.26 );
mPatchFillSymbol = std::make_unique< QgsFillSymbol >( QgsSymbolLayerList() << gradientFill.release() << simpleOutline.release() );
}
QgsStyle::~QgsStyle()
{
clear();
}
bool QgsStyle::addEntity( const QString &name, const QgsStyleEntityInterface *entity, bool update )
{
switch ( entity->type() )
{
case SymbolEntity:
if ( !static_cast< const QgsStyleSymbolEntity * >( entity )->symbol() )
return false;
return addSymbol( name, static_cast< const QgsStyleSymbolEntity * >( entity )->symbol()->clone(), update );
case ColorrampEntity:
if ( !static_cast< const QgsStyleColorRampEntity * >( entity )->ramp() )
return false;
return addColorRamp( name, static_cast< const QgsStyleColorRampEntity * >( entity )->ramp()->clone(), update );
case TextFormatEntity:
return addTextFormat( name, static_cast< const QgsStyleTextFormatEntity * >( entity )->format(), update );
case LabelSettingsEntity:
return addLabelSettings( name, static_cast< const QgsStyleLabelSettingsEntity * >( entity )->settings(), update );
case LegendPatchShapeEntity:
return addLegendPatchShape( name, static_cast< const QgsStyleLegendPatchShapeEntity * >( entity )->shape(), update );
case Symbol3DEntity:
return addSymbol3D( name, static_cast< const QgsStyleSymbol3DEntity * >( entity )->symbol()->clone(), update );
case TagEntity:
case SmartgroupEntity:
break;
}
return false;
}
QgsStyle *QgsStyle::defaultStyle() // static
{
if ( !sDefaultStyle )
{
QgsScopedRuntimeProfile profile( tr( "Load default style database" ) );
QString styleFilename = QgsApplication::userStylePath();
// copy default style if user style doesn't exist
if ( !QFile::exists( styleFilename ) )
{
sDefaultStyle = new QgsStyle;
sDefaultStyle->createDatabase( styleFilename );
if ( QFile::exists( QgsApplication::defaultStylePath() ) )
{
sDefaultStyle->importXml( QgsApplication::defaultStylePath() );
}
}
else
{
sDefaultStyle = new QgsStyle;
if ( sDefaultStyle->load( styleFilename ) )
{
sDefaultStyle->upgradeIfRequired();
}
}
}
return sDefaultStyle;
}
void QgsStyle::cleanDefaultStyle() // static
{
delete sDefaultStyle;
sDefaultStyle = nullptr;
}
void QgsStyle::clear()
{
qDeleteAll( mSymbols );
qDeleteAll( mColorRamps );
qDeleteAll( m3dSymbols );
mSymbols.clear();
mColorRamps.clear();
mTextFormats.clear();
m3dSymbols.clear();
mCachedTags.clear();
mCachedFavorites.clear();
}
bool QgsStyle::addSymbol( const QString &name, QgsSymbol *symbol, bool update )
{
if ( !symbol || name.isEmpty() )
return false;
// delete previous symbol (if any)
if ( mSymbols.contains( name ) )
{
// TODO remove groups and tags?
delete mSymbols.value( name );
mSymbols.insert( name, symbol );
if ( update )
updateSymbol( SymbolEntity, name );
}
else
{
mSymbols.insert( name, symbol );
if ( update )
saveSymbol( name, symbol, false, QStringList() );
}
return true;
}
bool QgsStyle::saveSymbol( const QString &name, QgsSymbol *symbol, bool favorite, const QStringList &tags )
{
// TODO add support for groups
QDomDocument doc( QStringLiteral( "dummy" ) );
QDomElement symEl = QgsSymbolLayerUtils::saveSymbol( name, symbol, doc, QgsReadWriteContext() );
if ( symEl.isNull() )
{
QgsDebugMsg( QStringLiteral( "Couldn't convert symbol to valid XML!" ) );
return false;
}
QByteArray xmlArray;
QTextStream stream( &xmlArray );
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
stream.setCodec( "UTF-8" );
#endif
symEl.save( stream, 4 );
QString query = qgs_sqlite3_mprintf( "INSERT INTO symbol VALUES (NULL, '%q', '%q', %d);",
name.toUtf8().constData(), xmlArray.constData(), ( favorite ? 1 : 0 ) );
if ( !runEmptyQuery( query ) )
{
QgsDebugMsg( QStringLiteral( "Couldn't insert symbol into the database!" ) );
return false;
}
mCachedFavorites[ SymbolEntity ].insert( name, favorite );
tagSymbol( SymbolEntity, name, tags );
emit symbolSaved( name, symbol );
emit entityAdded( SymbolEntity, name );
return true;
}
bool QgsStyle::removeSymbol( const QString &name )
{
return removeEntityByName( SymbolEntity, name );
}
bool QgsStyle::renameEntity( QgsStyle::StyleEntity type, const QString &oldName, const QString &newName )
{
switch ( type )
{
case SymbolEntity:
return renameSymbol( oldName, newName );
case ColorrampEntity:
return renameColorRamp( oldName, newName );
case TextFormatEntity:
return renameTextFormat( oldName, newName );
case LabelSettingsEntity:
return renameLabelSettings( oldName, newName );
case LegendPatchShapeEntity:
return renameLegendPatchShape( oldName, newName );
case Symbol3DEntity:
return renameSymbol3D( oldName, newName );
case TagEntity:
case SmartgroupEntity:
return false;
}
return false;
}
QgsSymbol *QgsStyle::symbol( const QString &name )
{
const QgsSymbol *symbol = symbolRef( name );
return symbol ? symbol->clone() : nullptr;
}
const QgsSymbol *QgsStyle::symbolRef( const QString &name ) const
{
return mSymbols.value( name );
}
int QgsStyle::symbolCount()
{
return mSymbols.count();
}
QStringList QgsStyle::symbolNames() const
{
return mSymbols.keys();
}
bool QgsStyle::addColorRamp( const QString &name, QgsColorRamp *colorRamp, bool update )
{
if ( !colorRamp || name.isEmpty() )
return false;
// delete previous color ramps (if any)
if ( mColorRamps.contains( name ) )
{
// TODO remove groups and tags?
delete mColorRamps.value( name );
mColorRamps.insert( name, colorRamp );
if ( update )
updateSymbol( ColorrampEntity, name );
}
else
{
mColorRamps.insert( name, colorRamp );
if ( update )
saveColorRamp( name, colorRamp, false, QStringList() );
}
return true;
}
bool QgsStyle::addTextFormat( const QString &name, const QgsTextFormat &format, bool update )
{
// delete previous text format (if any)
if ( mTextFormats.contains( name ) )
{
// TODO remove groups and tags?
mTextFormats.remove( name );
mTextFormats.insert( name, format );
if ( update )
updateSymbol( TextFormatEntity, name );
}
else
{
mTextFormats.insert( name, format );
if ( update )
saveTextFormat( name, format, false, QStringList() );
}
return true;
}
bool QgsStyle::addLabelSettings( const QString &name, const QgsPalLayerSettings &settings, bool update )
{
// delete previous label settings (if any)
if ( mLabelSettings.contains( name ) )
{
// TODO remove groups and tags?
mLabelSettings.remove( name );
mLabelSettings.insert( name, settings );
if ( update )
updateSymbol( LabelSettingsEntity, name );
}
else
{
mLabelSettings.insert( name, settings );
if ( update )
saveLabelSettings( name, settings, false, QStringList() );
}
return true;
}
bool QgsStyle::addLegendPatchShape( const QString &name, const QgsLegendPatchShape &shape, bool update )
{
// delete previous legend patch shape (if any)
if ( mLegendPatchShapes.contains( name ) )
{
// TODO remove groups and tags?
mLegendPatchShapes.remove( name );
mLegendPatchShapes.insert( name, shape );
if ( update )
updateSymbol( LegendPatchShapeEntity, name );
}
else
{
mLegendPatchShapes.insert( name, shape );
if ( update )
saveLegendPatchShape( name, shape, false, QStringList() );
}
return true;
}
bool QgsStyle::addSymbol3D( const QString &name, QgsAbstract3DSymbol *symbol, bool update )
{
// delete previous symbol (if any)
if ( m3dSymbols.contains( name ) )
{
// TODO remove groups and tags?
delete m3dSymbols.take( name );
m3dSymbols.insert( name, symbol );
if ( update )
updateSymbol( Symbol3DEntity, name );
}
else
{
m3dSymbols.insert( name, symbol );
if ( update )
saveSymbol3D( name, symbol, false, QStringList() );
}
return true;
}
bool QgsStyle::saveColorRamp( const QString &name, QgsColorRamp *ramp, bool favorite, const QStringList &tags )
{
// insert it into the database
QDomDocument doc( QStringLiteral( "dummy" ) );
QDomElement rampEl = QgsSymbolLayerUtils::saveColorRamp( name, ramp, doc );
if ( rampEl.isNull() )
{
QgsDebugMsg( QStringLiteral( "Couldn't convert color ramp to valid XML!" ) );
return false;
}
QByteArray xmlArray;
QTextStream stream( &xmlArray );
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
stream.setCodec( "UTF-8" );
#endif
rampEl.save( stream, 4 );
QString query = qgs_sqlite3_mprintf( "INSERT INTO colorramp VALUES (NULL, '%q', '%q', %d);",
name.toUtf8().constData(), xmlArray.constData(), ( favorite ? 1 : 0 ) );
if ( !runEmptyQuery( query ) )
{
QgsDebugMsg( QStringLiteral( "Couldn't insert colorramp into the database!" ) );
return false;
}
mCachedFavorites[ ColorrampEntity ].insert( name, favorite );
tagSymbol( ColorrampEntity, name, tags );
emit rampAdded( name );
emit entityAdded( ColorrampEntity, name );
return true;
}
bool QgsStyle::removeColorRamp( const QString &name )
{
return removeEntityByName( ColorrampEntity, name );
}
QgsColorRamp *QgsStyle::colorRamp( const QString &name ) const
{
const QgsColorRamp *ramp = colorRampRef( name );
return ramp ? ramp->clone() : nullptr;
}
const QgsColorRamp *QgsStyle::colorRampRef( const QString &name ) const
{
return mColorRamps.value( name );
}
int QgsStyle::colorRampCount()
{
return mColorRamps.count();
}
QStringList QgsStyle::colorRampNames() const
{
return mColorRamps.keys();
}
void QgsStyle::handleDeferred3DSymbolCreation()
{
for ( auto it = mDeferred3DsymbolElements.constBegin(); it != mDeferred3DsymbolElements.constEnd(); ++it )
{
const QString symbolType = it.value().attribute( QStringLiteral( "type" ) );
std::unique_ptr< QgsAbstract3DSymbol > symbol( QgsApplication::symbol3DRegistry()->createSymbol( symbolType ) );
if ( symbol )
{
symbol->readXml( it.value(), QgsReadWriteContext() );
addSymbol3D( it.key(), symbol.release(), false );
emit entityAdded( Symbol3DEntity, it.key() );
}
else
{
QgsDebugMsg( "Cannot open 3d symbol " + it.key() );
continue;
}
}
mDeferred3DsymbolElements.clear();
}
bool QgsStyle::openDatabase( const QString &filename )
{
int rc = mCurrentDB.open( filename );
if ( rc )
{
mErrorString = QStringLiteral( "Couldn't open the style database: %1" ).arg( mCurrentDB.errorMessage() );
return false;
}
return true;
}
bool QgsStyle::createDatabase( const QString &filename )
{
mErrorString.clear();
if ( !openDatabase( filename ) )
{
mErrorString = QStringLiteral( "Unable to create database" );
QgsDebugMsg( mErrorString );
return false;
}
createTables();
return true;
}
bool QgsStyle::createMemoryDatabase()
{
mErrorString.clear();
if ( !openDatabase( QStringLiteral( ":memory:" ) ) )
{
mErrorString = QStringLiteral( "Unable to create temporary memory database" );
QgsDebugMsg( mErrorString );
return false;
}
createTables();
return true;
}
void QgsStyle::createTables()
{
QString query = qgs_sqlite3_mprintf( "CREATE TABLE symbol("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE colorramp("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE textformat("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE labelsettings("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE legendpatchshapes("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE symbol3d("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE tag("\
"id INTEGER PRIMARY KEY,"\
"name TEXT);"\
"CREATE TABLE tagmap("\
"tag_id INTEGER NOT NULL,"\
"symbol_id INTEGER);"\
"CREATE TABLE ctagmap("\
"tag_id INTEGER NOT NULL,"\
"colorramp_id INTEGER);"\
"CREATE TABLE tftagmap("\
"tag_id INTEGER NOT NULL,"\
"textformat_id INTEGER);"\
"CREATE TABLE lstagmap("\
"tag_id INTEGER NOT NULL,"\
"labelsettings_id INTEGER);"\
"CREATE TABLE lpstagmap("\
"tag_id INTEGER NOT NULL,"\
"legendpatchshape_id INTEGER);"\
"CREATE TABLE symbol3dtagmap("\
"tag_id INTEGER NOT NULL,"\
"symbol3d_id INTEGER);"\
"CREATE TABLE smartgroup("\
"id INTEGER PRIMARY KEY,"\
"name TEXT,"\
"xml TEXT);" );
runEmptyQuery( query );
}
bool QgsStyle::load( const QString &filename )
{
mErrorString.clear();
// Open the sqlite database
if ( !openDatabase( filename ) )
{
mErrorString = QStringLiteral( "Unable to open database file specified" );
QgsDebugMsg( mErrorString );
return false;
}
// make sure text format table exists
QString query = qgs_sqlite3_mprintf( "SELECT name FROM sqlite_master WHERE name='textformat'" );
sqlite3_statement_unique_ptr statement;
int rc;
statement = mCurrentDB.prepare( query, rc );
if ( rc != SQLITE_OK || sqlite3_step( statement.get() ) != SQLITE_ROW )
{
query = qgs_sqlite3_mprintf( "CREATE TABLE textformat("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE tftagmap("\
"tag_id INTEGER NOT NULL,"\
"textformat_id INTEGER);" );
runEmptyQuery( query );
}
// make sure label settings table exists
query = qgs_sqlite3_mprintf( "SELECT name FROM sqlite_master WHERE name='labelsettings'" );
statement = mCurrentDB.prepare( query, rc );
if ( rc != SQLITE_OK || sqlite3_step( statement.get() ) != SQLITE_ROW )
{
query = qgs_sqlite3_mprintf( "CREATE TABLE labelsettings("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE lstagmap("\
"tag_id INTEGER NOT NULL,"\
"labelsettings_id INTEGER);" );
runEmptyQuery( query );
}
// make sure legend patch shape table exists
query = qgs_sqlite3_mprintf( "SELECT name FROM sqlite_master WHERE name='legendpatchshapes'" );
statement = mCurrentDB.prepare( query, rc );
if ( rc != SQLITE_OK || sqlite3_step( statement.get() ) != SQLITE_ROW )
{
query = qgs_sqlite3_mprintf( "CREATE TABLE legendpatchshapes("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE lpstagmap("\
"tag_id INTEGER NOT NULL,"\
"legendpatchshape_id INTEGER);" );
runEmptyQuery( query );
}
// make sure 3d symbol table exists
query = qgs_sqlite3_mprintf( "SELECT name FROM sqlite_master WHERE name='symbol3d'" );
statement = mCurrentDB.prepare( query, rc );
if ( rc != SQLITE_OK || sqlite3_step( statement.get() ) != SQLITE_ROW )
{
query = qgs_sqlite3_mprintf( "CREATE TABLE symbol3d("\
"id INTEGER PRIMARY KEY,"\
"name TEXT UNIQUE,"\
"xml TEXT,"\
"favorite INTEGER);"\
"CREATE TABLE symbol3dtagmap("\
"tag_id INTEGER NOT NULL,"\
"symbol3d_id INTEGER);" );
runEmptyQuery( query );
}
// Make sure there are no Null fields in parenting symbols and groups
query = qgs_sqlite3_mprintf( "UPDATE symbol SET favorite=0 WHERE favorite IS NULL;"
"UPDATE colorramp SET favorite=0 WHERE favorite IS NULL;"
"UPDATE textformat SET favorite=0 WHERE favorite IS NULL;"
"UPDATE labelsettings SET favorite=0 WHERE favorite IS NULL;"
"UPDATE legendpatchshapes SET favorite=0 WHERE favorite IS NULL;"
"UPDATE symbol3d SET favorite=0 WHERE favorite IS NULL;"
);
runEmptyQuery( query );
{
QgsScopedRuntimeProfile profile( tr( "Load symbols" ) );
// First create all the main symbols
query = qgs_sqlite3_mprintf( "SELECT * FROM symbol" );
statement = mCurrentDB.prepare( query, rc );
while ( rc == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
QDomDocument doc;
QString symbolName = statement.columnAsText( SymbolName );
QgsScopedRuntimeProfile profile( symbolName );
QString xmlstring = statement.columnAsText( SymbolXML );
if ( !doc.setContent( xmlstring ) )
{
QgsDebugMsg( "Cannot open symbol " + symbolName );
continue;
}
QDomElement symElement = doc.documentElement();
QgsSymbol *symbol = QgsSymbolLayerUtils::loadSymbol( symElement, QgsReadWriteContext() );
if ( symbol )
mSymbols.insert( symbolName, symbol );
}
}
{
QgsScopedRuntimeProfile profile( tr( "Load color ramps" ) );
query = qgs_sqlite3_mprintf( "SELECT * FROM colorramp" );
statement = mCurrentDB.prepare( query, rc );
while ( rc == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
QDomDocument doc;
const QString rampName = statement.columnAsText( ColorrampName );
QgsScopedRuntimeProfile profile( rampName );
QString xmlstring = statement.columnAsText( ColorrampXML );
if ( !doc.setContent( xmlstring ) )
{
QgsDebugMsg( "Cannot open symbol " + rampName );
continue;
}
QDomElement rampElement = doc.documentElement();
QgsColorRamp *ramp = QgsSymbolLayerUtils::loadColorRamp( rampElement );
if ( ramp )
mColorRamps.insert( rampName, ramp );
}
}
{
QgsScopedRuntimeProfile profile( tr( "Load text formats" ) );
query = qgs_sqlite3_mprintf( "SELECT * FROM textformat" );
statement = mCurrentDB.prepare( query, rc );
while ( rc == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
QDomDocument doc;
const QString formatName = statement.columnAsText( TextFormatName );
QgsScopedRuntimeProfile profile( formatName );
const QString xmlstring = statement.columnAsText( TextFormatXML );
if ( !doc.setContent( xmlstring ) )
{
QgsDebugMsg( "Cannot open text format " + formatName );
continue;
}
QDomElement formatElement = doc.documentElement();
QgsTextFormat format;
format.readXml( formatElement, QgsReadWriteContext() );
mTextFormats.insert( formatName, format );
}
}
{
QgsScopedRuntimeProfile profile( tr( "Load label settings" ) );
query = qgs_sqlite3_mprintf( "SELECT * FROM labelsettings" );
statement = mCurrentDB.prepare( query, rc );
while ( rc == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
QDomDocument doc;
const QString settingsName = statement.columnAsText( LabelSettingsName );
QgsScopedRuntimeProfile profile( settingsName );
const QString xmlstring = statement.columnAsText( LabelSettingsXML );
if ( !doc.setContent( xmlstring ) )
{
QgsDebugMsg( "Cannot open label settings " + settingsName );
continue;
}
QDomElement settingsElement = doc.documentElement();
QgsPalLayerSettings settings;
settings.readXml( settingsElement, QgsReadWriteContext() );
mLabelSettings.insert( settingsName, settings );
}
}
{
QgsScopedRuntimeProfile profile( tr( "Load legend patch shapes" ) );
query = qgs_sqlite3_mprintf( "SELECT * FROM legendpatchshapes" );
statement = mCurrentDB.prepare( query, rc );
while ( rc == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
QDomDocument doc;
const QString settingsName = statement.columnAsText( LegendPatchTableName );
QgsScopedRuntimeProfile profile( settingsName );
const QString xmlstring = statement.columnAsText( LegendPatchTableXML );
if ( !doc.setContent( xmlstring ) )
{
QgsDebugMsg( "Cannot open legend patch shape " + settingsName );
continue;
}
QDomElement settingsElement = doc.documentElement();
QgsLegendPatchShape shape;
shape.readXml( settingsElement, QgsReadWriteContext() );
mLegendPatchShapes.insert( settingsName, shape );
}
}
{
QgsScopedRuntimeProfile profile( tr( "Load 3D symbols shapes" ) );
query = qgs_sqlite3_mprintf( "SELECT * FROM symbol3d" );
statement = mCurrentDB.prepare( query, rc );
const bool registry3dPopulated = !QgsApplication::symbol3DRegistry()->symbolTypes().empty();
while ( rc == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
QDomDocument doc;
const QString settingsName = statement.columnAsText( Symbol3DTableName );
QgsScopedRuntimeProfile profile( settingsName );
const QString xmlstring = statement.columnAsText( Symbol3DTableXML );
if ( !doc.setContent( xmlstring ) )
{
QgsDebugMsg( "Cannot open 3d symbol " + settingsName );
continue;
}
QDomElement settingsElement = doc.documentElement();
if ( !registry3dPopulated )
{
mDeferred3DsymbolElements.insert( settingsName, settingsElement );
}
else
{
const QString symbolType = settingsElement.attribute( QStringLiteral( "type" ) );
std::unique_ptr< QgsAbstract3DSymbol > symbol( QgsApplication::symbol3DRegistry()->createSymbol( symbolType ) );
if ( symbol )
{
symbol->readXml( settingsElement, QgsReadWriteContext() );
m3dSymbols.insert( settingsName, symbol.release() );
}
else
{
QgsDebugMsg( "Cannot open 3d symbol " + settingsName );
continue;
}
}
}
}
mFileName = filename;
return true;
}
bool QgsStyle::save( QString filename )
{
mErrorString.clear();
if ( filename.isEmpty() )
filename = mFileName;
// TODO evaluate the requirement of this function and change implementation accordingly
// TODO remove QEXPECT_FAIL from TestStyle::testSaveLoad() when done
#if 0
QDomDocument doc( "qgis_style" );
QDomElement root = doc.createElement( "qgis_style" );
root.setAttribute( "version", STYLE_CURRENT_VERSION );
doc.appendChild( root );
QDomElement symbolsElem = QgsSymbolLayerUtils::saveSymbols( mSymbols, "symbols", doc );
QDomElement rampsElem = doc.createElement( "colorramps" );
// save color ramps
for ( QMap<QString, QgsColorRamp *>::iterator itr = mColorRamps.begin(); itr != mColorRamps.end(); ++itr )
{
QDomElement rampEl = QgsSymbolLayerUtils::saveColorRamp( itr.key(), itr.value(), doc );
rampsElem.appendChild( rampEl );
}
root.appendChild( symbolsElem );
root.appendChild( rampsElem );
// save
QFile f( filename );
if ( !f.open( QFile::WriteOnly ) )
{
mErrorString = "Couldn't open file for writing: " + filename;
return false;
}
QTextStream ts( &f );
ts.setCodec( "UTF-8" );
doc.save( ts, 2 );
f.close();
#endif
mFileName = filename;
return true;
}
bool QgsStyle::renameSymbol( const QString &oldName, const QString &newName )
{
if ( mSymbols.contains( newName ) )
{
QgsDebugMsg( QStringLiteral( "Symbol of new name already exists" ) );
return false;
}
QgsSymbol *symbol = mSymbols.take( oldName );
if ( !symbol )
return false;
mSymbols.insert( newName, symbol );
if ( !mCurrentDB )
{
QgsDebugMsg( QStringLiteral( "Sorry! Cannot open database to tag." ) );
return false;
}
int symbolid = symbolId( oldName );
if ( !symbolid )
{
QgsDebugMsg( QStringLiteral( "No such symbol for tagging in database: " ) + oldName );
return false;
}
mCachedTags[ SymbolEntity ].remove( oldName );
mCachedFavorites[ SymbolEntity ].remove( oldName );
const bool result = rename( SymbolEntity, symbolid, newName );
if ( result )
{
emit symbolRenamed( oldName, newName );
emit entityRenamed( SymbolEntity, oldName, newName );
}
return result;
}
bool QgsStyle::renameColorRamp( const QString &oldName, const QString &newName )
{
if ( mColorRamps.contains( newName ) )
{
QgsDebugMsg( QStringLiteral( "Color ramp of new name already exists." ) );
return false;
}
QgsColorRamp *ramp = mColorRamps.take( oldName );
if ( !ramp )
return false;
mColorRamps.insert( newName, ramp );
mCachedTags[ ColorrampEntity ].remove( oldName );
mCachedFavorites[ ColorrampEntity ].remove( oldName );
int rampid = 0;
sqlite3_statement_unique_ptr statement;
QString query = qgs_sqlite3_mprintf( "SELECT id FROM colorramp WHERE name='%q'", oldName.toUtf8().constData() );
int nErr;
statement = mCurrentDB.prepare( query, nErr );
if ( nErr == SQLITE_OK && sqlite3_step( statement.get() ) == SQLITE_ROW )
{
rampid = sqlite3_column_int( statement.get(), 0 );
}
const bool result = rename( ColorrampEntity, rampid, newName );
if ( result )
{
emit rampRenamed( oldName, newName );
emit entityRenamed( ColorrampEntity, oldName, newName );
}
return result;
}
bool QgsStyle::saveTextFormat( const QString &name, const QgsTextFormat &format, bool favorite, const QStringList &tags )
{
// insert it into the database
QDomDocument doc( QStringLiteral( "dummy" ) );
QDomElement formatElem = format.writeXml( doc, QgsReadWriteContext() );
if ( formatElem.isNull() )
{
QgsDebugMsg( QStringLiteral( "Couldn't convert text format to valid XML!" ) );
return false;
}
QByteArray xmlArray;
QTextStream stream( &xmlArray );
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
stream.setCodec( "UTF-8" );
#endif
formatElem.save( stream, 4 );
QString query = qgs_sqlite3_mprintf( "INSERT INTO textformat VALUES (NULL, '%q', '%q', %d);",
name.toUtf8().constData(), xmlArray.constData(), ( favorite ? 1 : 0 ) );
if ( !runEmptyQuery( query ) )
{
QgsDebugMsg( QStringLiteral( "Couldn't insert text format into the database!" ) );
return false;
}
mCachedFavorites[ TextFormatEntity ].insert( name, favorite );
tagSymbol( TextFormatEntity, name, tags );
emit textFormatAdded( name );
emit entityAdded( TextFormatEntity, name );
return true;
}
bool QgsStyle::removeTextFormat( const QString &name )
{
return removeEntityByName( TextFormatEntity, name );
}
bool QgsStyle::renameTextFormat( const QString &oldName, const QString &newName )
{
if ( mTextFormats.contains( newName ) )
{
QgsDebugMsg( QStringLiteral( "Text format of new name already exists." ) );
return false;