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Expose Adapter.

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We sometimes want just an adapter object instead of Fragment,
so that it can be available from not-Fragment UI
(like Spinner and ListView).

See I5e3d7ee721d1f0ec81dc9825b0d05f8faa731b80 for example usage.

Bug: 3133251
Change-Id: Ief6f25e9bc51c739b5cd2f2ba0afec5d2c16dc5b
This commit is contained in:
Daisuke Miyakawa
2010-10-26 15:53:04 -07:00
parent 2d38cc80af
commit 53daead571
1 changed files with 61 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
core/java/com/android/internal/app/LocalePicker.java
View File

@@ -18,11 +18,11 @@ package com.android.internal.app;
import com.android.internal.R;
import android.app.Activity;
import android.app.ActivityManagerNative;
import android.app.IActivityManager;
import android.app.ListFragment;
import android.app.backup.BackupManager;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.os.Bundle;
@@ -45,61 +45,65 @@ public class LocalePicker extends ListFragment {
public void onLocaleSelected(Locale locale);
}
Loc[] mLocales;
String[] mSpecialLocaleCodes;
String[] mSpecialLocaleNames;
private Locale mNewLocale;
LocaleSelectionListener mListener; // default to null
private static class Loc implements Comparable<Loc> {
static Collator sCollator = Collator.getInstance();
public static class LocaleInfo implements Comparable<LocaleInfo> {
static final Collator sCollator = Collator.getInstance();
String label;
Locale locale;
public Loc(String label, Locale locale) {
public LocaleInfo(String label, Locale locale) {
this.label = label;
this.locale = locale;
}
public String getLabel() {
return label;
}
public Locale getLocale() {
return locale;
}
@Override
public String toString() {
return this.label;
}
@Override
public int compareTo(Loc another) {
public int compareTo(LocaleInfo another) {
return sCollator.compare(this.label, another.label);
}
}
private void setUpLocaleList() {
final Activity activity = getActivity();
final Resources resources = activity.getResources();
mSpecialLocaleCodes = resources.getStringArray(R.array.special_locale_codes);
mSpecialLocaleNames = resources.getStringArray(R.array.special_locale_names);
final String[] locales = activity.getAssets().getLocales();
/**
* Constructs an Adapter object containing Locale information. Content is sorted by
* {@link LocaleInfo#label}.
*/
public static ArrayAdapter<LocaleInfo> constructAdapter(Context context) {
final Resources resources = context.getResources();
final String[] locales = context.getAssets().getLocales();
final String[] specialLocaleCodes = resources.getStringArray(R.array.special_locale_codes);
final String[] specialLocaleNames = resources.getStringArray(R.array.special_locale_names);
Arrays.sort(locales);
final int origSize = locales.length;
Loc[] preprocess = new Loc[origSize];
final LocaleInfo[] preprocess = new LocaleInfo[origSize];
int finalSize = 0;
for (int i = 0 ; i < origSize; i++ ) {
String s = locales[i];
int len = s.length();
final String s = locales[i];
final int len = s.length();
if (len == 5) {
String language = s.substring(0, 2);
String country = s.substring(3, 5);
Locale l = new Locale(language, country);
final Locale l = new Locale(language, country);
if (finalSize == 0) {
if (DEBUG) {
Log.v(TAG, "adding initial "+ toTitleCase(l.getDisplayLanguage(l)));
}
preprocess[finalSize++] =
new Loc(toTitleCase(l.getDisplayLanguage(l)), l);
new LocaleInfo(toTitleCase(l.getDisplayLanguage(l)), l);
} else {
// check previous entry:
// same lang and a country -> upgrade to full name and
@@ -110,15 +114,20 @@ public class LocalePicker extends ListFragment {
if (DEBUG) {
Log.v(TAG, "backing up and fixing "+
preprocess[finalSize-1].label+" to "+
getDisplayName(preprocess[finalSize-1].locale));
getDisplayName(preprocess[finalSize-1].locale,
specialLocaleCodes, specialLocaleNames));
}
preprocess[finalSize-1].label = toTitleCase(
getDisplayName(preprocess[finalSize-1].locale));
getDisplayName(preprocess[finalSize-1].locale,
specialLocaleCodes, specialLocaleNames));
if (DEBUG) {
Log.v(TAG, " and adding "+ toTitleCase(getDisplayName(l)));
Log.v(TAG, " and adding "+ toTitleCase(
getDisplayName(l, specialLocaleCodes, specialLocaleNames)));
}
preprocess[finalSize++] =
new Loc(toTitleCase(getDisplayName(l)), l);
new LocaleInfo(toTitleCase(
getDisplayName(
l, specialLocaleCodes, specialLocaleNames)), l);
} else {
String displayName;
if (s.equals("zz_ZZ")) {
@@ -129,31 +138,20 @@ public class LocalePicker extends ListFragment {
if (DEBUG) {
Log.v(TAG, "adding "+displayName);
}
preprocess[finalSize++] = new Loc(displayName, l);
preprocess[finalSize++] = new LocaleInfo(displayName, l);
}
}
}
}
mLocales = new Loc[finalSize];
for (int i = 0; i < finalSize ; i++) {
mLocales[i] = preprocess[i];
final LocaleInfo[] localeInfos = new LocaleInfo[finalSize];
for (int i = 0; i < finalSize; i++) {
localeInfos[i] = preprocess[i];
}
Arrays.sort(mLocales);
Arrays.sort(localeInfos);
final int layoutId = R.layout.locale_picker_item;
final int fieldId = R.id.locale;
final ArrayAdapter<Loc> adapter =
new ArrayAdapter<Loc>(activity, layoutId, fieldId, mLocales);
setListAdapter(adapter);
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setUpLocaleList();
}
public void setLocaleSelectionListener(LocaleSelectionListener listener) {
mListener = listener;
return new ArrayAdapter<LocaleInfo>(context, layoutId, fieldId, localeInfos);
}
private static String toTitleCase(String s) {
@@ -164,18 +162,30 @@ public class LocalePicker extends ListFragment {
return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}
private String getDisplayName(Locale l) {
private static String getDisplayName(
Locale l, String[] specialLocaleCodes, String[] specialLocaleNames) {
String code = l.toString();
for (int i = 0; i < mSpecialLocaleCodes.length; i++) {
if (mSpecialLocaleCodes[i].equals(code)) {
return mSpecialLocaleNames[i];
for (int i = 0; i < specialLocaleCodes.length; i++) {
if (specialLocaleCodes[i].equals(code)) {
return specialLocaleNames[i];
}
}
return l.getDisplayName(l);
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
final ArrayAdapter<LocaleInfo> adapter = constructAdapter(getActivity());
setListAdapter(adapter);
}
public void setLocaleSelectionListener(LocaleSelectionListener listener) {
mListener = listener;
}
@Override
public void onResume() {
super.onResume();
@@ -191,7 +201,8 @@ public class LocalePicker extends ListFragment {
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
if (mListener != null) {
mListener.onLocaleSelected(mLocales[position].locale);
final Locale locale = ((LocaleInfo)getListAdapter().getItem(position)).locale;
mListener.onLocaleSelected(locale);
}
}