// PRIVATE METHODS
///////////////////////////////////////////////////////////////////////////
private void init() {
this.init = true;
//---------------------------------------
this.vertexConditionalPanel = new ConditionalPanel();
this.edgeConditionalPanel = new ConditionalPanel();
//---------------------------------------
this.vertexConditionCheckBox = new JCheckBox("Conditions for vertices:");
this.vertexConditionCheckBox.setSelected(true);
this.edgeConditionCheckBox = new JCheckBox("Conditions for edges:");
this.edgeConditionCheckBox.setSelected(true);