com.jwork.dhammapada.ContentFragment.java Source code

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Here is the source code for com.jwork.dhammapada.ContentFragment.java

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/* ========================================================================
 * Copyright 2013 Jimmy Halim
 * Licensed under the Creative Commons Attribution-NonCommercial 3.0 license 
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://creativecommons.org/licenses/by-nc/3.0/
 *
 * 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.
 * ========================================================================
 */
package com.jwork.dhammapada;

import android.database.Cursor;
import android.graphics.Typeface;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.jwork.dhammapada.model.Chapter;
import com.jwork.dhammapada.model.DhammapadaContentProvider;
import com.jwork.dhammapada.model.Verse;
import com.jwork.dhammapada.utility.LogUtility;

public class ContentFragment extends Fragment implements LoaderCallbacks<Cursor> {

    private static final String KEY_VERSE_INDEX = "verseIndex";
    private static final String KEY_CHAPTER_INDEX = "chapter";
    private static final String KEY_SEARCH_QUERY = "searchQuery";
    private LogUtility log = LogUtility.getInstance();

    private TextView tvContentPali;
    private TextView tvContentEng;
    private TextView tvContentId;

    private Typeface tfPali;
    private int verseIndex;
    private Verse verseCurrent;
    private Chapter chapter;
    private String searchQuery;

    private static int LOADER_VERSE = 2;
    private static String[] LOADER_CHAPTER_PROJECTION = new String[] { DhammapadaContentProvider.TableVerse.ID,
            DhammapadaContentProvider.TableVerse.CHAPTER_NO, DhammapadaContentProvider.TableVerse.VERSE_NO,
            DhammapadaContentProvider.TableVerse.VERSE_INDEX, DhammapadaContentProvider.TableVerse.CONTENT_PALI,
            DhammapadaContentProvider.TableVerse.CONTENT_ID, DhammapadaContentProvider.TableVerse.CONTENT_ENG };

    public static Fragment newInstance(Chapter chapter, int verseIndex, String searchQuery) {
        LogUtility.getInstance().v(ContentFragment.class,
                "newInstance(" + chapter.getNo() + "|" + verseIndex + "|" + searchQuery + ")");
        Bundle args = new Bundle();
        args.putSerializable(KEY_VERSE_INDEX, verseIndex);
        args.putSerializable(KEY_CHAPTER_INDEX, chapter);
        if (searchQuery != null) {
            args.putSerializable(KEY_SEARCH_QUERY, searchQuery);
        }
        ContentFragment myFragment = new ContentFragment();
        myFragment.setArguments(args);
        return myFragment;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        tfPali = Typeface.createFromAsset(getActivity().getAssets(), "fonts/arlrdbd.ttf");

        verseIndex = getArguments().getInt(KEY_VERSE_INDEX);
        chapter = (Chapter) getArguments().getSerializable(KEY_CHAPTER_INDEX);
        searchQuery = getArguments().getString(KEY_SEARCH_QUERY);

        Bundle bundle = new Bundle();
        bundle.putInt(KEY_VERSE_INDEX, verseIndex);
        getLoaderManager().initLoader(LOADER_VERSE, bundle, this);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        log.d(this, "onCreateView()");
        View view = inflater.inflate(R.layout.verse_content, container, false);

        tvContentPali = (TextView) view.findViewById(R.id.verseContentPali);
        tvContentPali.setTypeface(tfPali, Typeface.NORMAL);
        tvContentEng = (TextView) view.findViewById(R.id.verseContentEng);
        tvContentId = (TextView) view.findViewById(R.id.verseContentId);

        return view;
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        int verseIndex = args.getInt(KEY_VERSE_INDEX);
        log.v(this, "onCreateLoader(id:" + id + "|" + verseIndex + ")");
        Uri baseUri;
        baseUri = DhammapadaContentProvider.getVerseIndexUri(verseIndex);
        return new CursorLoader(getActivity(), baseUri, LOADER_CHAPTER_PROJECTION, null, null, null);
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        log.v(this, "onLoadFinished()");
        boolean empty = !data.moveToFirst();
        if (!empty) {
            verseCurrent = new Verse(chapter, data);
            tvContentPali.setText(verseCurrent.getContentPali());
            tvContentEng.setText(Html.fromHtml(boldSearchQuery(verseCurrent.getContentEng())));
            tvContentId.setText(Html.fromHtml(boldSearchQuery(verseCurrent.getContentId())));
        }
    }

    private String boldSearchQuery(String content) {
        log.v(this, "boldSearchQuery(" + content + ")");
        if (searchQuery == null)
            return content;
        int pos = 0;
        while ((pos = content.indexOf(searchQuery, pos)) >= 0) {
            int total = content.length();
            content = content.substring(0, pos) + "<b>" + searchQuery + "</b>"
                    + content.substring(pos + searchQuery.length(), total);
            pos += searchQuery.length() + 7;
        }
        log.d(this, "Result:" + content);
        return content;
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        log.v(this, "onLoaderReset()");
    }

    public Verse getVerseCurrent() {
        log.v(this, "getVerseCurrent():" + verseCurrent);
        return verseCurrent;
    }

}