/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// 显示一个确认对话框，提示用户将更改同步账户
private void showChangeAccountConfirmAlertDialog() {
    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);

    View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
    Te// 显示一个确认对话框，提示用户将更改同步账户
private void showChangeAccountConfirmAlertDialog() {
    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);

    View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
    TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
    titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
            getSyncAccountName(this)));
    TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
    subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
    dialogBuilder.setCustomTitle(titleView);

    CharSequence[] menuItemArray = new CharSequence[] {
            getString(R.string.preferences_menu_change_account),
            getString(R.string.preferences_menu_remove_account),
            getString(R.string.preferences_menu_cancel)
    };
    dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            if (which == 0) {
                showSelectAccountAlertDialog();
            } else if (which == 1) {
                removeSyncAccount();
                refreshUI();
            }
        }
    });
    dialogBuilder.show();
}

// 获取所有谷歌账户
private Account[] getGoogleAccounts() {
    AccountManager accountManager = AccountManager.get(this);
    return accountManager.getAccountsByType("com.google");
}

// 设置同步账户
private void setSyncAccount(String account) {
    if (!getSyncAccountName(this).equals(account)) {
        SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = settings.edit();
        if (account != null) {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
        } else {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
        }
        editor.commit();

        // 清除上次同步时间
        setLastSyncTime(this, 0);

        // 清除本地gtask相关信息
        new Thread(new Runnable() {
            public void run() {
                ContentValues values = new ContentValues();
                values.put(NoteColumns.GTASK_ID, "");
                values.put(NoteColumns.SYNC_ID, 0);
                getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
            }
        }).start();

        Toast.makeText(NotesPreferenceActivity.this,
                getString(R.string.preferences_toast_success_set_accout, account),
                Toast.LENGTH_SHORT).show();
    }
}

// 移除同步账户
private void removeSyncAccount() {
    SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
        editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
    }
    if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
        editor.remove(PREFERENCE_LAST_SYNC_TIME);
    }
    editor.commit();

    // 清除本地gtask相关信息
    new Thread(new Runnable() {
        public void run() {
            ContentValues values = new ContentValues();
            values.put(NoteColumns.GTASK_ID, "");
            values.put(NoteColumns.SYNC_ID, 0);
            getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
        }
    }).start();
}

// 获取同步账户名称
public static String getSyncAccountName(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}

// 设置最后一次同步时间
public static void setLastSyncTime(Context context, long time) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
    editor.commit();
}

// 获取最后一次同步时间
public static long getLastSyncTime(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}

// 处理广播接收器接收到的意图
private class GTaskReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        refreshUI();
        if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
            TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
            syncStatus.setText(intent
                    .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
        }

    }
}

// 处理选项菜单中的项目点击事件
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            Intent intent = new Intent(this, NotesListActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
            return true;
        default:
            return false;
    }
}
// 显示一个确认对话框，提示用户将更改同步账户
private void showChangeAccountConfirmAlertDialog() {
    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);

    View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
    TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
    titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
            getSyncAccountName(this)));
    TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
    subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
    dialogBuilder.setCustomTitle(titleView);

    CharSequence[] menuItemArray = new CharSequence[] {
            getString(R.string.preferences_menu_change_account),
            getString(R.string.preferences_menu_remove_account),
            getString(R.string.preferences_menu_cancel)
    };
    dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            if (which == 0) {
                showSelectAccountAlertDialog();
            } else if (which == 1) {
                removeSyncAccount();
                refreshUI();
            }
        }
    });
    dialogBuilder.show();
}

// 获取所有谷歌账户
private Account[] getGoogleAccounts() {
    AccountManager accountManager = AccountManager.get(this);
    return accountManager.getAccountsByType("com.google");
}

// 设置同步账户
private void setSyncAccount(String account) {
    if (!getSyncAccountName(this).equals(account)) {
        SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = settings.edit();
        if (account != null) {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
        } else {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
        }
        editor.commit();

        // 清除上次同步时间
        setLastSyncTime(this, 0);

        // 清除本地gtask相关信息
        new Thread(new Runnable() {
            public void run() {
                ContentValues values = new ContentValues();
                values.put(NoteColumns.GTASK_ID, "");
                values.put(NoteColumns.SYNC_ID, 0);
                getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
            }
        }).start();

        Toast.makeText(NotesPreferenceActivity.this,
                getString(R.string.preferences_toast_success_set_accout, account),
                Toast.LENGTH_SHORT).show();
    }
}

// 移除同步账户
private void removeSyncAccount() {
    SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
        editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
    }
    if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
        editor.remove(PREFERENCE_LAST_SYNC_TIME);
    }
    editor.commit();

    // 清除本地gtask相关信息
    new Thread(new Runnable() {
        public void run() {
            ContentValues values = new ContentValues();
            values.put(NoteColumns.GTASK_ID, "");
            values.put(NoteColumns.SYNC_ID, 0);
            getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
        }
    }).start();
}

// 获取同步账户名称
public static String getSyncAccountName(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}

// 设置最后一次同步时间
public static void setLastSyncTime(Context context, long time) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
    editor.commit();
}

// 获取最后一次同步时间
public static long getLastSyncTime(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}

// 处理广播接收器接收到的意图
private class GTaskReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        refreshUI();
        if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
            TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
            syncStatus.setText(intent
                    .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
        }

    }
}

// 处理选项菜单中的项目点击事件
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            Intent intent = new Intent(this, NotesListActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
            return true;
        default:
            return false;
    }
}
// 显示一个确认对话框，提示用户将更改同步账户
private void showChangeAccountConfirmAlertDialog() {
    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);

    View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
    TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
    titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
            getSyncAccountName(this)));
    TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
    subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
    dialogBuilder.setCustomTitle(titleView);

    CharSequence[] menuItemArray = new CharSequence[] {
            getString(R.string.preferences_menu_change_account),
            getString(R.string.preferences_menu_remove_account),
            getString(R.string.preferences_menu_cancel)
    };
    dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            if (which == 0) {
                showSelectAccountAlertDialog();
            } else if (which == 1) {
                removeSyncAccount();
                refreshUI();
            }
        }
    });
    dialogBuilder.show();
}

// 获取所有谷歌账户
private Account[] getGoogleAccounts() {
    AccountManager accountManager = AccountManager.get(this);
    return accountManager.getAccountsByType("com.google");
}

// 设置同步账户
private void setSyncAccount(String account) {
    if (!getSyncAccountName(this).equals(account)) {
        SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = settings.edit();
        if (account != null) {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
        } else {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
        }
        editor.commit();

        // 清除上次同步时间
        setLastSyncTime(this, 0);

        // 清除本地gtask相关信息
        new Thread(new Runnable() {
            public void run() {
                ContentValues values = new ContentValues();
                values.put(NoteColumns.GTASK_ID, "");
                values.put(NoteColumns.SYNC_ID, 0);
                getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
            }
        }).start();

        Toast.makeText(NotesPreferenceActivity.this,
                getString(R.string.preferences_toast_success_set_accout, account),
                Toast.LENGTH_SHORT).show();
    }
}

// 移除同步账户
private void removeSyncAccount() {
    SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
        editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
    }
    if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
        editor.remove(PREFERENCE_LAST_SYNC_TIME);
    }
    editor.commit();

    // 清除本地gtask相关信息
    new Thread(new Runnable() {
        public void run() {
            ContentValues values = new ContentValues();
            values.put(NoteColumns.GTASK_ID, "");
            values.put(NoteColumns.SYNC_ID, 0);
            getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
        }
    }).start();
}

// 获取同步账户名称
public static String getSyncAccountName(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}

// 设置最后一次同步时间
public static void setLastSyncTime(Context context, long time) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
    editor.commit();
}

// 获取最后一次同步时间
public static long getLastSyncTime(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}

// 处理广播接收器接收到的意图
private class GTaskReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        refreshUI();
        if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
            TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
            syncStatus.setText(intent
                    .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
        }

    }
}

// 处理选项菜单中的项目点击事件
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            Intent intent = new Intent(this, NotesListActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
            return true;
        default:
            return false;
    }
}
xtView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
    titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
            getSyncAccountName(this)));
    TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
    subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
    dialogBuilder.setCustomTitle(titleView);

    CharSequence[] menuItemArray = new CharSequence[] {
            getString(R.string.preferences_menu_change_account),
            getString(R.string.preferences_menu_remove_account),
            getString(R.string.preferences_menu_cancel)
    };
    dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            if (which == 0) {
                showSelectAccountAlertDialog();
            } else if (which == 1) {
                removeSyncAccount();
                refreshUI();
            }
        }
    });
    dialogBuilder.show();
}

// 获取所有谷歌账户
private Account[] getGoogleAccounts() {
    AccountManager accountManager = AccountManager.get(this);
    return accountManager.getAccountsByType("com.google");
}

// 设置同步账户
private void setSyncAccount(String account) {
    if (!getSyncAccountName(this).equals(account)) {
        SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = settings.edit();
        if (account != null) {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
        } else {
            editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
        }
        editor.commit();

        // 清除上次同步时间
        setLastSyncTime(this, 0);

        // 清除本地gtask相关信息
        new Thread(new Runnable() {
            public void run() {
                ContentValues values = new ContentValues();
                values.put(NoteColumns.GTASK_ID, "");
                values.put(NoteColumns.SYNC_ID, 0);
                getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
            }
        }).start();

        Toast.makeText(NotesPreferenceActivity.this,
                getString(R.string.preferences_toast_success_set_accout, account),
                Toast.LENGTH_SHORT).show();
    }
}

// 移除同步账户
private void removeSyncAccount() {
    SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
        editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
    }
    if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
        editor.remove(PREFERENCE_LAST_SYNC_TIME);
    }
    editor.commit();

    // 清除本地gtask相关信息
    new Thread(new Runnable() {
        public void run() {
            ContentValues values = new ContentValues();
            values.put(NoteColumns.GTASK_ID, "");
            values.put(NoteColumns.SYNC_ID, 0);
            getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
        }
    }).start();
}

// 获取同步账户名称
public static String getSyncAccountName(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
}

// 设置最后一次同步时间
public static void setLastSyncTime(Context context, long time) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = settings.edit();
    editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
    editor.commit();
}

// 获取最后一次同步时间
public static long getLastSyncTime(Context context) {
    SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
            Context.MODE_PRIVATE);
    return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
}

// 处理广播接收器接收到的意图
private class GTaskReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        refreshUI();
        if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
            TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
            syncStatus.setText(intent
                    .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
        }

    }
}

// 处理选项菜单中的项目点击事件
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            Intent intent = new Intent(this, NotesListActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
            return true;
        default:
            return false;
    }
}