QgsComposerLegend::QgsComposerLegend( QgsComposition* composition )
: QgsComposerItem( composition )
, mTitle( tr( "Legend" ) )
, mFontColor( QColor( 0, 0, 0 ) )
, mBoxSpace( 2 )
, mColumnSpace( 2 )
, mColumnCount( 1 )
, mComposerMap( 0 )
, mSplitLayer( false )
, mEqualColumnWidth( false )
{
setStyleMargin( QgsComposerLegendStyle::Title, QgsComposerLegendStyle::Bottom, 2 );
setStyleMargin( QgsComposerLegendStyle::Group, QgsComposerLegendStyle::Top, 2 );
setStyleMargin( QgsComposerLegendStyle::Subgroup, QgsComposerLegendStyle::Top, 2 );
setStyleMargin( QgsComposerLegendStyle::Symbol, QgsComposerLegendStyle::Top, 2 );
setStyleMargin( QgsComposerLegendStyle::SymbolLabel, QgsComposerLegendStyle::Top, 2 );
setStyleMargin( QgsComposerLegendStyle::SymbolLabel, QgsComposerLegendStyle::Left, 2 );
rstyle( QgsComposerLegendStyle::Title ).rfont().setPointSizeF( 16.0 );
rstyle( QgsComposerLegendStyle::Group ).rfont().setPointSizeF( 14.0 );
rstyle( QgsComposerLegendStyle::Subgroup ).rfont().setPointSizeF( 12.0 );
rstyle( QgsComposerLegendStyle::SymbolLabel ).rfont().setPointSizeF( 12.0 );
mSymbolWidth = 7;
mSymbolHeight = 4;
mWmsLegendWidth = 50;
mWmsLegendHeight = 25;
mWrapChar = "";
mlineSpacing = 1.5;
adjustBoxSize();
connect( &mLegendModel, SIGNAL( layersChanged() ), this, SLOT( synchronizeWithModel() ) );
}
QgsLegendSettings::QgsLegendSettings()
: mTitle( QObject::tr( "Legend" ) )
, mTitleAlignment( Qt::AlignLeft )
, mWrapChar( QLatin1String( "" ) )
, mFontColor( QColor( 0, 0, 0 ) )
, mBoxSpace( 2 )
, mSymbolSize( 7, 4 )
, mWmsLegendSize( 50, 25 )
, mLineSpacing( 1.5 )
, mColumnSpace( 2 )
, mColumnCount( 1 )
, mSplitLayer( false )
, mEqualColumnWidth( false )
, mRasterSymbolBorder( true )
, mRasterBorderColor( Qt::black )
, mRasterBorderWidth( 0.0 )
, mMmPerMapUnit( 1 )
, mUseAdvancedEffects( true )
, mMapScale( 1 )
, mDpi( 96 ) // based on QImage's default DPI
{
rstyle( QgsLegendStyle::Title ).setMargin( QgsLegendStyle::Bottom, 2 );
rstyle( QgsLegendStyle::Group ).setMargin( QgsLegendStyle::Top, 2 );
rstyle( QgsLegendStyle::Subgroup ).setMargin( QgsLegendStyle::Top, 2 );
rstyle( QgsLegendStyle::Symbol ).setMargin( QgsLegendStyle::Top, 2 );
rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Top, 2 );
rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Left, 2 );
rstyle( QgsLegendStyle::Title ).rfont().setPointSizeF( 16.0 );
rstyle( QgsLegendStyle::Group ).rfont().setPointSizeF( 14.0 );
rstyle( QgsLegendStyle::Subgroup ).rfont().setPointSizeF( 12.0 );
rstyle( QgsLegendStyle::SymbolLabel ).rfont().setPointSizeF( 12.0 );
}
QgsLegendSettings::QgsLegendSettings()
: mFontColor( QColor( 0, 0, 0 ) )
, mSymbolSize( 7, 4 )
, mWmsLegendSize( 50, 25 )
, mRasterStrokeColor( Qt::black )
{
rstyle( QgsLegendStyle::Title ).setMargin( QgsLegendStyle::Bottom, 3.5 );
rstyle( QgsLegendStyle::Group ).setMargin( QgsLegendStyle::Top, 3 );
rstyle( QgsLegendStyle::Subgroup ).setMargin( QgsLegendStyle::Top, 3 );
rstyle( QgsLegendStyle::Symbol ).setMargin( QgsLegendStyle::Top, 2.5 );
rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Top, 2 );
rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Left, 2 );
rstyle( QgsLegendStyle::Title ).rfont().setPointSizeF( 16.0 );
rstyle( QgsLegendStyle::Group ).rfont().setPointSizeF( 14.0 );
rstyle( QgsLegendStyle::Subgroup ).rfont().setPointSizeF( 12.0 );
rstyle( QgsLegendStyle::SymbolLabel ).rfont().setPointSizeF( 12.0 );
}
bool QgsComposerLegend::readXML( const QDomElement& itemElem, const QDomDocument& doc )
{
if ( itemElem.isNull() )
{
return false;
}
//read general properties
mSettings.setTitle( itemElem.attribute( "title" ) );
if ( !itemElem.attribute( "titleAlignment" ).isEmpty() )
{
mSettings.setTitleAlignment(( Qt::AlignmentFlag )itemElem.attribute( "titleAlignment" ).toInt() );
}
int colCount = itemElem.attribute( "columnCount", "1" ).toInt();
if ( colCount < 1 ) colCount = 1;
mSettings.setColumnCount( colCount );
mSettings.setSplitLayer( itemElem.attribute( "splitLayer", "0" ).toInt() == 1 );
mSettings.setEqualColumnWidth( itemElem.attribute( "equalColumnWidth", "0" ).toInt() == 1 );
QDomNodeList stylesNodeList = itemElem.elementsByTagName( "styles" );
if ( stylesNodeList.size() > 0 )
{
QDomNode stylesNode = stylesNodeList.at( 0 );
for ( int i = 0; i < stylesNode.childNodes().size(); i++ )
{
QDomElement styleElem = stylesNode.childNodes().at( i ).toElement();
QgsComposerLegendStyle style;
style.readXML( styleElem, doc );
QString name = styleElem.attribute( "name" );
QgsComposerLegendStyle::Style s;
if ( name == "title" ) s = QgsComposerLegendStyle::Title;
else if ( name == "group" ) s = QgsComposerLegendStyle::Group;
else if ( name == "subgroup" ) s = QgsComposerLegendStyle::Subgroup;
else if ( name == "symbol" ) s = QgsComposerLegendStyle::Symbol;
else if ( name == "symbolLabel" ) s = QgsComposerLegendStyle::SymbolLabel;
else continue;
setStyle( s, style );
}
}
//font color
QColor fontClr;
fontClr.setNamedColor( itemElem.attribute( "fontColor", "#000000" ) );
mSettings.setFontColor( fontClr );
//spaces
mSettings.setBoxSpace( itemElem.attribute( "boxSpace", "2.0" ).toDouble() );
mSettings.setColumnSpace( itemElem.attribute( "columnSpace", "2.0" ).toDouble() );
mSettings.setSymbolSize( QSizeF( itemElem.attribute( "symbolWidth", "7.0" ).toDouble(), itemElem.attribute( "symbolHeight", "14.0" ).toDouble() ) );
mSettings.setWmsLegendSize( QSizeF( itemElem.attribute( "wmsLegendWidth", "50" ).toDouble(), itemElem.attribute( "wmsLegendHeight", "25" ).toDouble() ) );
mSettings.setWrapChar( itemElem.attribute( "wrapChar" ) );
//composer map
if ( !itemElem.attribute( "map" ).isEmpty() )
{
mComposerMap = mComposition->getComposerMapById( itemElem.attribute( "map" ).toInt() );
}
//read model properties
QDomNodeList modelNodeList = itemElem.elementsByTagName( "Model" );
if ( modelNodeList.size() > 0 )
{
QDomElement modelElem = modelNodeList.at( 0 ).toElement();
mLegendModel.readXML( modelElem, doc );
}
//restore general composer item properties
QDomNodeList composerItemList = itemElem.elementsByTagName( "ComposerItem" );
if ( composerItemList.size() > 0 )
{
QDomElement composerItemElem = composerItemList.at( 0 ).toElement();
_readXML( composerItemElem, doc );
}
// < 2.0 projects backward compatibility >>>>>
//title font
QString titleFontString = itemElem.attribute( "titleFont" );
if ( !titleFontString.isEmpty() )
{
rstyle( QgsComposerLegendStyle::Title ).rfont().fromString( titleFontString );
}
//group font
QString groupFontString = itemElem.attribute( "groupFont" );
if ( !groupFontString.isEmpty() )
{
rstyle( QgsComposerLegendStyle::Group ).rfont().fromString( groupFontString );
}
//layer font
QString layerFontString = itemElem.attribute( "layerFont" );
if ( !layerFontString.isEmpty() )
{
rstyle( QgsComposerLegendStyle::Subgroup ).rfont().fromString( layerFontString );
}
//item font
QString itemFontString = itemElem.attribute( "itemFont" );
if ( !itemFontString.isEmpty() )
{
rstyle( QgsComposerLegendStyle::SymbolLabel ).rfont().fromString( itemFontString );
}
if ( !itemElem.attribute( "groupSpace" ).isEmpty() )
{
rstyle( QgsComposerLegendStyle::Group ).setMargin( QgsComposerLegendStyle::Top, itemElem.attribute( "groupSpace", "3.0" ).toDouble() );
}
if ( !itemElem.attribute( "layerSpace" ).isEmpty() )
{
rstyle( QgsComposerLegendStyle::Subgroup ).setMargin( QgsComposerLegendStyle::Top, itemElem.attribute( "layerSpace", "3.0" ).toDouble() );
}
if ( !itemElem.attribute( "symbolSpace" ).isEmpty() )
{
rstyle( QgsComposerLegendStyle::Symbol ).setMargin( QgsComposerLegendStyle::Top, itemElem.attribute( "symbolSpace", "2.0" ).toDouble() );
rstyle( QgsComposerLegendStyle::SymbolLabel ).setMargin( QgsComposerLegendStyle::Top, itemElem.attribute( "symbolSpace", "2.0" ).toDouble() );
}
// <<<<<<< < 2.0 projects backward compatibility
emit itemChanged();
return true;
}
void QgsComposerLegend::setStyleMargin( QgsComposerLegendStyle::Style s, QgsComposerLegendStyle::Side side, double margin ) { rstyle( s ).setMargin( side, margin ); }
void QgsComposerLegend::setStyleFont( QgsComposerLegendStyle::Style s, const QFont& f ) { rstyle( s ).setFont( f ); }
bool QgsComposerLegend::readXml( const QDomElement &itemElem, const QDomDocument &doc )
{
if ( itemElem.isNull() )
{
return false;
}
//read general properties
mTitle = itemElem.attribute( QStringLiteral( "title" ) );
mSettings.setTitle( mTitle );
if ( !itemElem.attribute( QStringLiteral( "titleAlignment" ) ).isEmpty() )
{
mSettings.setTitleAlignment( static_cast< Qt::AlignmentFlag >( itemElem.attribute( QStringLiteral( "titleAlignment" ) ).toInt() ) );
}
int colCount = itemElem.attribute( QStringLiteral( "columnCount" ), QStringLiteral( "1" ) ).toInt();
if ( colCount < 1 ) colCount = 1;
mColumnCount = colCount;
mSettings.setColumnCount( mColumnCount );
mSettings.setSplitLayer( itemElem.attribute( QStringLiteral( "splitLayer" ), QStringLiteral( "0" ) ).toInt() == 1 );
mSettings.setEqualColumnWidth( itemElem.attribute( QStringLiteral( "equalColumnWidth" ), QStringLiteral( "0" ) ).toInt() == 1 );
QDomNodeList stylesNodeList = itemElem.elementsByTagName( QStringLiteral( "styles" ) );
if ( !stylesNodeList.isEmpty() )
{
QDomNode stylesNode = stylesNodeList.at( 0 );
for ( int i = 0; i < stylesNode.childNodes().size(); i++ )
{
QDomElement styleElem = stylesNode.childNodes().at( i ).toElement();
QgsLegendStyle style;
style.readXml( styleElem, doc );
QString name = styleElem.attribute( QStringLiteral( "name" ) );
QgsLegendStyle::Style s;
if ( name == QLatin1String( "title" ) ) s = QgsLegendStyle::Title;
else if ( name == QLatin1String( "group" ) ) s = QgsLegendStyle::Group;
else if ( name == QLatin1String( "subgroup" ) ) s = QgsLegendStyle::Subgroup;
else if ( name == QLatin1String( "symbol" ) ) s = QgsLegendStyle::Symbol;
else if ( name == QLatin1String( "symbolLabel" ) ) s = QgsLegendStyle::SymbolLabel;
else continue;
setStyle( s, style );
}
}
//font color
QColor fontClr;
fontClr.setNamedColor( itemElem.attribute( QStringLiteral( "fontColor" ), QStringLiteral( "#000000" ) ) );
mSettings.setFontColor( fontClr );
//spaces
mSettings.setBoxSpace( itemElem.attribute( QStringLiteral( "boxSpace" ), QStringLiteral( "2.0" ) ).toDouble() );
mSettings.setColumnSpace( itemElem.attribute( QStringLiteral( "columnSpace" ), QStringLiteral( "2.0" ) ).toDouble() );
mSettings.setSymbolSize( QSizeF( itemElem.attribute( QStringLiteral( "symbolWidth" ), QStringLiteral( "7.0" ) ).toDouble(), itemElem.attribute( QStringLiteral( "symbolHeight" ), QStringLiteral( "14.0" ) ).toDouble() ) );
mSettings.setWmsLegendSize( QSizeF( itemElem.attribute( QStringLiteral( "wmsLegendWidth" ), QStringLiteral( "50" ) ).toDouble(), itemElem.attribute( QStringLiteral( "wmsLegendHeight" ), QStringLiteral( "25" ) ).toDouble() ) );
mSettings.setLineSpacing( itemElem.attribute( QStringLiteral( "lineSpacing" ), QStringLiteral( "1.0" ) ).toDouble() );
mSettings.setDrawRasterStroke( itemElem.attribute( QStringLiteral( "rasterBorder" ), QStringLiteral( "1" ) ) != QLatin1String( "0" ) );
mSettings.setRasterStrokeColor( QgsSymbolLayerUtils::decodeColor( itemElem.attribute( QStringLiteral( "rasterBorderColor" ), QStringLiteral( "0,0,0" ) ) ) );
mSettings.setRasterStrokeWidth( itemElem.attribute( QStringLiteral( "rasterBorderWidth" ), QStringLiteral( "0" ) ).toDouble() );
mSettings.setWrapChar( itemElem.attribute( QStringLiteral( "wrapChar" ) ) );
mSizeToContents = itemElem.attribute( QStringLiteral( "resizeToContents" ), QStringLiteral( "1" ) ) != QLatin1String( "0" );
//composer map
mLegendFilterByMap = itemElem.attribute( QStringLiteral( "legendFilterByMap" ), QStringLiteral( "0" ) ).toInt();
if ( !itemElem.attribute( QStringLiteral( "map" ) ).isEmpty() )
{
setComposerMap( mComposition->getComposerMapById( itemElem.attribute( QStringLiteral( "map" ) ).toInt() ) );
}
mFilterOutAtlas = itemElem.attribute( QStringLiteral( "legendFilterByAtlas" ), QStringLiteral( "0" ) ).toInt();
// QGIS >= 2.6
QDomElement layerTreeElem = itemElem.firstChildElement( QStringLiteral( "layer-tree" ) );
if ( layerTreeElem.isNull() )
layerTreeElem = itemElem.firstChildElement( QStringLiteral( "layer-tree-group" ) );
if ( !layerTreeElem.isNull() )
{
std::unique_ptr< QgsLayerTree > tree( QgsLayerTree::readXml( layerTreeElem ) );
if ( mComposition )
tree->resolveReferences( mComposition->project(), true );
setCustomLayerTree( tree.release() );
}
else
setCustomLayerTree( nullptr );
//restore general composer item properties
QDomNodeList composerItemList = itemElem.elementsByTagName( QStringLiteral( "ComposerItem" ) );
if ( !composerItemList.isEmpty() )
{
QDomElement composerItemElem = composerItemList.at( 0 ).toElement();
_readXml( composerItemElem, doc );
}
// < 2.0 projects backward compatibility >>>>>
//title font
QString titleFontString = itemElem.attribute( QStringLiteral( "titleFont" ) );
if ( !titleFontString.isEmpty() )
{
rstyle( QgsLegendStyle::Title ).rfont().fromString( titleFontString );
}
//group font
QString groupFontString = itemElem.attribute( QStringLiteral( "groupFont" ) );
if ( !groupFontString.isEmpty() )
{
rstyle( QgsLegendStyle::Group ).rfont().fromString( groupFontString );
}
//layer font
QString layerFontString = itemElem.attribute( QStringLiteral( "layerFont" ) );
if ( !layerFontString.isEmpty() )
{
rstyle( QgsLegendStyle::Subgroup ).rfont().fromString( layerFontString );
}
//item font
QString itemFontString = itemElem.attribute( QStringLiteral( "itemFont" ) );
if ( !itemFontString.isEmpty() )
{
rstyle( QgsLegendStyle::SymbolLabel ).rfont().fromString( itemFontString );
}
if ( !itemElem.attribute( QStringLiteral( "groupSpace" ) ).isEmpty() )
{
rstyle( QgsLegendStyle::Group ).setMargin( QgsLegendStyle::Top, itemElem.attribute( QStringLiteral( "groupSpace" ), QStringLiteral( "3.0" ) ).toDouble() );
}
if ( !itemElem.attribute( QStringLiteral( "layerSpace" ) ).isEmpty() )
{
rstyle( QgsLegendStyle::Subgroup ).setMargin( QgsLegendStyle::Top, itemElem.attribute( QStringLiteral( "layerSpace" ), QStringLiteral( "3.0" ) ).toDouble() );
}
if ( !itemElem.attribute( QStringLiteral( "symbolSpace" ) ).isEmpty() )
{
rstyle( QgsLegendStyle::Symbol ).setMargin( QgsLegendStyle::Top, itemElem.attribute( QStringLiteral( "symbolSpace" ), QStringLiteral( "2.0" ) ).toDouble() );
rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Top, itemElem.attribute( QStringLiteral( "symbolSpace" ), QStringLiteral( "2.0" ) ).toDouble() );
}
// <<<<<<< < 2.0 projects backward compatibility
emit itemChanged();
return true;
}
void QgsComposerLegend::setStyleMargin( QgsLegendStyle::Style s, double margin ) { rstyle( s ).setMargin( margin ); }
void QgsLayoutItemLegend::setStyleMargin( QgsLegendStyle::Style s, QgsLegendStyle::Side side, double margin )
{
rstyle( s ).setMargin( side, margin );
}
void QgsLayoutItemLegend::setStyleFont( QgsLegendStyle::Style s, const QFont &f )
{
rstyle( s ).setFont( f );
}