de.schildbach.wallet.ui.HelpDialogFragment.java Source code

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Here is the source code for de.schildbach.wallet.ui.HelpDialogFragment.java

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/*
 * Copyright 2013 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.schildbach.wallet.ui;

import java.util.Locale;

import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentManager;
import android.view.Window;
import android.webkit.WebView;

/**
 * @author Andreas Schildbach
 */
public final class HelpDialogFragment extends DialogFragment {
    private static final String FRAGMENT_TAG = HelpDialogFragment.class.getName();

    private static final String KEY_PAGE = "page";

    public static void page(final FragmentManager fm, final String page) {
        final DialogFragment newFragment = HelpDialogFragment.instance(page);
        newFragment.show(fm, FRAGMENT_TAG);
    }

    private static HelpDialogFragment instance(final String page) {
        final HelpDialogFragment fragment = new HelpDialogFragment();

        final Bundle args = new Bundle();
        args.putString(KEY_PAGE, page);
        fragment.setArguments(args);

        return fragment;
    }

    private Activity activity;

    @Override
    public void onAttach(final Activity activity) {
        super.onAttach(activity);

        this.activity = activity;
    }

    @Override
    public Dialog onCreateDialog(final Bundle savedInstanceState) {
        final Bundle args = getArguments();
        final String page = args.getString(KEY_PAGE);

        final WebView webView = new WebView(activity);
        webView.loadUrl("file:///android_asset/" + page + languagePrefix() + ".html");

        final Dialog dialog = new Dialog(activity);
        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        dialog.setContentView(webView);
        dialog.setCanceledOnTouchOutside(true);

        return dialog;
    }

    private final static String languagePrefix() {
        final String language = Locale.getDefault().getLanguage();
        if ("de".equals(language))
            return "_de";
        else if ("cs".equals(language))
            return "_cs";
        else if ("el".equals(language))
            return "_el";
        else if ("es".equals(language))
            return "_es";
        else if ("fr".equals(language))
            return "_fr";
        else if ("it".equals(language))
            return "_it";
        else if ("nl".equals(language))
            return "_nl";
        else if ("pl".equals(language))
            return "_pl";
        else if ("ru".equals(language))
            return "_ru";
        else if ("sv".equals(language))
            return "_sv";
        else if ("tr".equals(language))
            return "_tr";
        else if ("zh".equals(language))
            return "_zh";
        else
            return "";
    }
}