public void invertSelection() {
int[] sel = this.list.getSelectedIndices();
int[] newSel = new int[listModel.getSize() - sel.length];
int idx = 0;
int lastIdx = -1;
for (int i : sel) {
for (int i2 = lastIdx + 1; i2 < i; i2++) newSel[idx++] = i2;
lastIdx = i;
}
for (int i2 = lastIdx + 1; i2 < listModel.getSize(); i2++) newSel[idx++] = i2;
list.setSelectedIndices(newSel);
}
