bool QgsComposerAttributeTable::readXML( const QDomElement& itemElem, const QDomDocument& doc )
{
if ( itemElem.isNull() )
{
return false;
}
//read general table properties
if ( !tableReadXML( itemElem, doc ) )
{
return false;
}
mShowOnlyVisibleFeatures = itemElem.attribute( "showOnlyVisibleFeatures", "1" ).toInt();
mFilterFeatures = itemElem.attribute( "filterFeatures", "false" ) == "true" ? true : false;
mFeatureFilter = itemElem.attribute( "featureFilter", "" );
//composer map
int composerMapId = itemElem.attribute( "composerMap", "-1" ).toInt();
if ( composerMapId == -1 )
{
mComposerMap = 0;
}
if ( composition() )
{
mComposerMap = composition()->getComposerMapById( composerMapId );
}
else
{
mComposerMap = 0;
}
if ( mComposerMap )
{
//if we have found a valid map item, listen out to extent changes on it and refresh the table
QObject::connect( mComposerMap, SIGNAL( extentChanged() ), this, SLOT( refreshAttributes() ) );
}
//vector layer
QString layerId = itemElem.attribute( "vectorLayer", "not_existing" );
if ( layerId == "not_existing" )
{
mVectorLayer = 0;
}
else
{
QgsMapLayer* ml = QgsMapLayerRegistry::instance()->mapLayer( layerId );
if ( ml )
{
mVectorLayer = dynamic_cast<QgsVectorLayer*>( ml );
if ( mVectorLayer )
{
//if we have found a valid vector layer, listen for modifications on it and refresh the table
QObject::connect( mVectorLayer, SIGNAL( layerModified() ), this, SLOT( refreshAttributes() ) );
}
}
}
//restore display attribute map. This is required to upgrade pre 2.4 projects.
QSet<int> displayAttributes;
QDomNodeList displayAttributeList = itemElem.elementsByTagName( "displayAttributes" );
if ( displayAttributeList.size() > 0 )
{
QDomElement displayAttributesElem = displayAttributeList.at( 0 ).toElement();
QDomNodeList attributeEntryList = displayAttributesElem.elementsByTagName( "attributeEntry" );
for ( int i = 0; i < attributeEntryList.size(); ++i )
{
QDomElement attributeEntryElem = attributeEntryList.at( i ).toElement();
int index = attributeEntryElem.attribute( "index", "-1" ).toInt();
if ( index != -1 )
{
displayAttributes.insert( index );
}
}
setDisplayAttributes( displayAttributes, false );
}
//restore alias map. This is required to upgrade pre 2.4 projects.
QMap<int, QString> fieldAliasMap;
QDomNodeList aliasMapNodeList = itemElem.elementsByTagName( "attributeAliasMap" );
if ( aliasMapNodeList.size() > 0 )
{
QDomElement attributeAliasMapElem = aliasMapNodeList.at( 0 ).toElement();
QDomNodeList aliasMepEntryList = attributeAliasMapElem.elementsByTagName( "aliasEntry" );
for ( int i = 0; i < aliasMepEntryList.size(); ++i )
{
QDomElement aliasEntryElem = aliasMepEntryList.at( i ).toElement();
int key = aliasEntryElem.attribute( "key", "-1" ).toInt();
QString value = aliasEntryElem.attribute( "value", "" );
fieldAliasMap.insert( key, value );
}
restoreFieldAliasMap( fieldAliasMap );
}
//restore sort columns. This is required to upgrade pre 2.4 projects.
QDomElement sortColumnsElem = itemElem.firstChildElement( "sortColumns" );
if ( !sortColumnsElem.isNull() && mVectorLayer )
{
QDomNodeList columns = sortColumnsElem.elementsByTagName( "column" );
const QgsFields& fields = mVectorLayer->pendingFields();
for ( int i = 0; i < columns.size(); ++i )
{
QDomElement columnElem = columns.at( i ).toElement();
int attribute = columnElem.attribute( "index" ).toInt();
Qt::SortOrder order = columnElem.attribute( "ascending" ) == "true" ? Qt::AscendingOrder : Qt::DescendingOrder;
//find corresponding column
QList<QgsComposerTableColumn*>::iterator columnIt = mColumns.begin();
for ( ; columnIt != mColumns.end(); ++columnIt )
{
if (( *columnIt )->attribute() == fields[attribute].name() )
{
( *columnIt )->setSortByRank( i + 1 );
( *columnIt )->setSortOrder( order );
break;
}
}
}
}
//must be done here because tableReadXML->setSceneRect changes mMaximumNumberOfFeatures
mMaximumNumberOfFeatures = itemElem.attribute( "maxFeatures", "5" ).toInt();
refreshAttributes();
emit itemChanged();
return true;
}
bool QgsComposerAttributeTable::readXML( const QDomElement& itemElem, const QDomDocument& doc )
{
if ( itemElem.isNull() )
{
return false;
}
mShowOnlyVisibleFeatures = itemElem.attribute( "showOnlyVisibleFeatures", "1" ).toInt();
mFilterFeatures = itemElem.attribute( "filterFeatures", "false" ) == "true" ? true : false;
mFeatureFilter = itemElem.attribute( "featureFilter", "" );
//composer map
int composerMapId = itemElem.attribute( "composerMap", "-1" ).toInt();
if ( composerMapId == -1 )
{
mComposerMap = 0;
}
if ( composition() )
{
mComposerMap = composition()->getComposerMapById( composerMapId );
}
else
{
mComposerMap = 0;
}
if ( mComposerMap )
{
//if we have found a valid map item, listen out to extent changes on it and refresh the table
QObject::connect( mComposerMap, SIGNAL( extentChanged() ), this, SLOT( refreshAttributes() ) );
}
//vector layer
QString layerId = itemElem.attribute( "vectorLayer", "not_existing" );
if ( layerId == "not_existing" )
{
mVectorLayer = 0;
}
else
{
QgsMapLayer* ml = QgsMapLayerRegistry::instance()->mapLayer( layerId );
if ( ml )
{
mVectorLayer = dynamic_cast<QgsVectorLayer*>( ml );
if ( mVectorLayer )
{
//if we have found a valid vector layer, listen for modifications on it and refresh the table
QObject::connect( mVectorLayer, SIGNAL( layerModified() ), this, SLOT( refreshAttributes() ) );
}
}
}
//restore display attribute map
mDisplayAttributes.clear();
QDomNodeList displayAttributeList = itemElem.elementsByTagName( "displayAttributes" );
if ( displayAttributeList.size() > 0 )
{
QDomElement displayAttributesElem = displayAttributeList.at( 0 ).toElement();
QDomNodeList attributeEntryList = displayAttributesElem.elementsByTagName( "attributeEntry" );
for ( int i = 0; i < attributeEntryList.size(); ++i )
{
QDomElement attributeEntryElem = attributeEntryList.at( i ).toElement();
int index = attributeEntryElem.attribute( "index", "-1" ).toInt();
if ( index != -1 )
{
mDisplayAttributes.insert( index );
}
}
}
//restore alias map
mFieldAliasMap.clear();
QDomNodeList aliasMapNodeList = itemElem.elementsByTagName( "attributeAliasMap" );
if ( aliasMapNodeList.size() > 0 )
{
QDomElement attributeAliasMapElem = aliasMapNodeList.at( 0 ).toElement();
QDomNodeList aliasMepEntryList = attributeAliasMapElem.elementsByTagName( "aliasEntry" );
for ( int i = 0; i < aliasMepEntryList.size(); ++i )
{
QDomElement aliasEntryElem = aliasMepEntryList.at( i ).toElement();
int key = aliasEntryElem.attribute( "key", "-1" ).toInt();
QString value = aliasEntryElem.attribute( "value", "" );
mFieldAliasMap.insert( key, value );
}
}
//restore sort columns
mSortInformation.clear();
QDomElement sortColumnsElem = itemElem.firstChildElement( "sortColumns" );
if ( !sortColumnsElem.isNull() )
{
QDomNodeList columns = sortColumnsElem.elementsByTagName( "column" );
for ( int i = 0; i < columns.size(); ++i )
{
QDomElement columnElem = columns.at( i ).toElement();
int attribute = columnElem.attribute( "index" ).toInt();
bool ascending = columnElem.attribute( "ascending" ) == "true" ? true : false;
mSortInformation.push_back( qMakePair( attribute, ascending ) );
}
}
bool success = tableReadXML( itemElem, doc );
//must be done here because tableReadXML->setSceneRect changes mMaximumNumberOfFeatures
mMaximumNumberOfFeatures = itemElem.attribute( "maxFeatures", "5" ).toInt();
refreshAttributes();
emit itemChanged();
return success;
}
bool QgsComposerTextTable::readXML( const QDomElement& itemElem, const QDomDocument& doc )
{
//todo: read headers and text entries
return tableReadXML( itemElem, doc );
}