/**
* Sets the current page to be the one corresponding to the given index in the page history.
*
* @param index the index into the page history
*/
private void jumpToHistory(int index) {
if (index >= 0 && index < history.size()) {
historyIndex = index;
dialog.setCurrentPageId(getHistoryEntry(index).getId());
}
updateHistoryControls();
}
/**
* Adds the preference page path and its label to the page history.
*
* @param entry the preference page history entry
*/
public void addHistoryEntry(PreferenceHistoryEntry entry) {
if (historyIndex == -1 || !history.get(historyIndex).equals(entry)) {
history.subList(historyIndex + 1, history.size()).clear();
history.add(entry);
historyIndex++;
updateHistoryControls();
}
}