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package juloo.keyboard2.suggestions;
import java.util.Arrays;
import java.util.List;
import juloo.cdict.Cdict;
import juloo.keyboard2.dict.Dictionaries;
import juloo.keyboard2.Config;
/** Keep track of the word being typed and provide suggestions for
[CandidatesView]. */
public final class Suggestions
{
Callback _callback;
Config _config;
/** The suggestion displayed at the center of the candidates view and entered
by the space bar. */
public String best_suggestion = null;
public Suggestions(Callback c, Config conf)
{
_callback = c;
_config = conf;
}
public void currently_typed_word(String word)
{
Cdict dict = _config.current_dictionary;
if (word.length() < 2 || dict == null)
{
set_suggestions(NO_SUGGESTIONS);
}
else
{
Cdict.Result r = dict.find(word);
String[] suggestions = new String[3];
int i = 0;
if (r.found)
suggestions[i++] = word;
int[] suffixes = dict.suffixes(r, 3);
int[] dist = dict.distance(word, 1, 3);
for (int j = 0; j < 3 && i < 3; j++)
{
if (suffixes.length > j)
suggestions[i++] = dict.word(suffixes[j]);
if (dist.length > j && i < 3)
suggestions[i++] = dict.word(dist[j]);
}
set_suggestions(Arrays.asList(suggestions));
}
}
void set_suggestions(List<String> ws)
{
_callback.set_suggestions(ws);
best_suggestion = (ws.size() > 0) ? ws.get(0) : null;
}
static final List<String> NO_SUGGESTIONS = Arrays.asList();
public static interface Callback
{
public void set_suggestions(List<String> suggestions);
}
}
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