private void selectFirstConfig() {
if (isConfigListEmpty()) {
disableDeleteButton();
} else {
enableDeleteButton();
configList.setSelectedIndex(0);
}
}
private boolean isConfigListEmpty() {
return configList.getItemCount() == 0;
}
private void selectLastConfig() {
int lastIndex = configList.getItemCount() - 1;
configList.setSelectedIndex(lastIndex);
}
private int getSelectedConfigIndex() {
return configList.getSelectedIndex();
}
private String getSelectedConfig() {
return configList.getItemText(getSelectedConfigIndex());
}
private void removeSelectedConfig() {
configurations.remove(getSelectedConfig());
configList.removeItem(getSelectedConfigIndex());
}
private void addConfig(Configuration configuration) {
configList.addItem(configuration.getName());
configurations.put(configuration.getName(), configuration);
}