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package juloo.keyboard2;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.preference.Preference;
import android.preference.PreferenceCategory;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import java.util.ArrayList;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONException;
/** Allows to enter custom keys to be added to the keyboard. This shows up at
the top of the "Add keys to the keyboard" option. */
public class CustomExtraKeysPreference extends PreferenceCategory
{
/** This pref stores a list of strings encoded as JSON. */
static String KEY = "custom_extra_keys";
boolean _attached = false;
/** Mutable. This is the list of the key strings, not the key names. */
List<String> _keys;
public CustomExtraKeysPreference(Context context, AttributeSet attrs)
{
super(context, attrs);
setKey(KEY);
setOrderingAsAdded(true);
_keys = new ArrayList<String>();
}
public static List<KeyValue> get(SharedPreferences prefs)
{
List<KeyValue> kvs = new ArrayList<KeyValue>();
String inp = prefs.getString(KEY, null);
if (inp != null)
for (String key_name : load_from_string(inp))
kvs.add(KeyValue.makeStringKey(key_name));
return kvs;
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue)
{
if (restoreValue)
{
String persisted = getPersistedString(null);
if (persisted != null)
set_keys(load_from_string(persisted), false);
}
else if (defaultValue != null)
set_keys(load_from_string((String)defaultValue), false);
}
@Override
protected void onAttachedToActivity()
{
super.onAttachedToActivity();
if (_attached)
return;
_attached = true;
reattach();
}
void reattach()
{
removeAll();
for (String k : _keys)
addPreference(this.new CustomExtraKey(getContext(), k));
addPreference(this.new AddButton(getContext()));
}
void set_keys(List<String> v, boolean persist)
{
_keys = v;
reattach();
if (persist)
persistString(save_to_string(_keys));
}
void add_key(String k)
{
_keys.add(k);
set_keys(_keys, true);
}
void remove_key(String k)
{
_keys.remove(k);
set_keys(_keys, true);
}
static String save_to_string(List<String> keys)
{
return (new JSONArray(keys)).toString();
}
static List<String> load_from_string(String inp)
{
List<String> keys = new ArrayList<String>();
try
{
JSONArray arr = new JSONArray(inp);
for (int i = 0; i < arr.length(); i++)
keys.add(arr.getString(i));
}
catch (JSONException e)
{
Logs.err_load_custom_extra_keys(e);
}
return keys;
}
/** A preference with no key that is only intended to be rendered. */
final class CustomExtraKey extends Preference implements View.OnClickListener
{
String _key;
public CustomExtraKey(Context ctx, String key)
{
super(ctx);
_key = key;
setTitle(key);
setPersistent(false);
setWidgetLayoutResource(R.layout.custom_extra_key_widget);
}
/** Remove-button listener. */
@Override
public void onClick(View _v)
{
CustomExtraKeysPreference.this.remove_key(_key);
}
@Override
protected View onCreateView(ViewGroup parent)
{
View v = super.onCreateView(parent);
v.findViewById(R.id.btn_custom_extra_key_remove).setOnClickListener(this);
return v;
}
}
final class AddButton extends Preference
{
public AddButton(Context ctx)
{
super(ctx);
setPersistent(false);
setLayoutResource(R.layout.custom_extra_key_add);
}
@Override
protected void onClick()
{
new AlertDialog.Builder(getContext())
.setView(R.layout.custom_extra_key_add_dialog)
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which)
{
EditText input = (EditText)((AlertDialog)dialog).findViewById(R.id.key_name);
String k = input.getText().toString();
if (!k.equals(""))
CustomExtraKeysPreference.this.add_key(k);
}
})
.setNegativeButton(android.R.string.cancel, null)
.setIcon(android.R.drawable.ic_dialog_alert)
.show();
}
}
}
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