mapAreaDisplay = restoreMapDisplaySettings();
m_bDisplayMapArea=!mapAreaDisplay.isEmpty();
inputLink = StructureLink.none();
outputLink = StructureLink.none();
mode = TreeMapperMode.SIMPLE;
sourceDataTree = new DataTree(this);
targetDataTree = new DataTree(this);
GlobalDataElements des = getTreeMapperContainer().getProject().getGlobalDataElements();
projectVariables = new TransformationVariables(des);
BooleanSourceAndTargetSetting simpleNodeDisplaySettings = restoreSimpleNodeDisplaySettings();
BooleanSourceAndTargetSetting simpleXmlElementDisplaySettings = restoreSimpleXmlElementDisplaySettings();
BooleanSourceAndTargetSetting showMappedNodesOnlySettings = restoreShowMappedNodesOnlySettings();