String fieldName = fieldsCombo.getItemText(fieldsCombo.getSelectedIndex());
String factField = factsCombo.getItemText(factsCombo.getSelectedIndex());
contraintsMap.clear();
if (this.workingSetEditor.getCustomFormsContainer().containsCustomFormFor(factField, fieldName)){
CustomFormConfiguration customForm = this.workingSetEditor.getCustomFormsContainer().getCustomForm(factField, fieldName);
this.customFormURL.setText(customForm.getCustomFormURL());
this.customFormWidth.setText(String.valueOf(customForm.getCustomFormWidth()));
this.customFormHeight.setText(String.valueOf(customForm.getCustomFormHeight()));
}else{
this.customFormURL.setText("");
this.customFormWidth.setText("");
this.customFormHeight.setText("");
}