com.jwork.dhammapada.controller.DhammapadaController.java Source code

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Here is the source code for com.jwork.dhammapada.controller.DhammapadaController.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.controller;

import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.widget.Toast;

import com.jwork.dhammapada.ChapterFragment;
import com.jwork.dhammapada.Constant;
import com.jwork.dhammapada.Controller;
import com.jwork.dhammapada.R;
import com.jwork.dhammapada.SearchFragment;
import com.jwork.dhammapada.VerseFragment;
import com.jwork.dhammapada.model.Chapter;
import com.jwork.dhammapada.model.SearchVerse;
import com.jwork.dhammapada.model.Verse;
import com.jwork.dhammapada.utility.Configuration;
import com.jwork.dhammapada.utility.CrashHandler;

public class DhammapadaController extends Controller {

    public DhammapadaController(FragmentActivity activity, Handler viewHandler) {
        super(activity, viewHandler);
    }

    @Override
    public void handleMessage(Message msg) {
        log.v(this, "handleMessage(" + msg.what + ")");
        switch (msg.what) {
        case Constant.WHAT_DISPLAY_CHAPTER:
            displayChapter();
            break;
        case Constant.WHAT_SELECT_CHAPTER:
            selectChapter((Chapter) msg.obj);
            break;
        case Constant.WHAT_INIT:
            init();
            break;
        case Constant.WHAT_SHARE_VERSE:
            shareVerse((Verse) msg.obj);
            break;
        case Constant.WHAT_GOTO_BACK:
            gotoPreviousFragment((Fragment) msg.obj);
            break;
        case Constant.WHAT_SEARCH_VERSE:
            searchVerse((CharSequence) msg.obj);
            break;
        case Constant.WHAT_SELECT_VERSE:
            selectVerse((SearchVerse) msg.obj);
            break;
        }
    }

    private void searchVerse(CharSequence query) {
        log.v(this, "selectVerse(" + query + ")");
        FragmentManager fm = activity.getSupportFragmentManager();
        fm.beginTransaction()
                .replace(R.id.contentFragment, SearchFragment.newInstance(query.toString()),
                        VerseFragment.class.getName())
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .addToBackStack(VerseFragment.class.getName()).commit();
    }

    private void gotoPreviousFragment(Fragment current) {
        log.v(this, "gotoPreviousFragment()");
        FragmentManager fm = activity.getSupportFragmentManager();
        fm.popBackStack();
    }

    private void shareVerse(Verse verse) {
        Intent intentText = new Intent(Intent.ACTION_SEND);
        intentText.setType("text/plain");
        intentText.putExtra(Intent.EXTRA_SUBJECT, verse.getChapter().getTitlePali() + " - " + verse.getIndex());
        intentText.putExtra(Intent.EXTRA_TEXT,
                verse.getContentPali() + "\n\n" + verse.getContentEng() + "\n\n" + verse.getContentId());
        try {
            activity.startActivity(Intent.createChooser(intentText, "Select your favorite Social Media network"));
        } catch (ActivityNotFoundException e) {
            Toast.makeText(activity, "Failed to share this application", Toast.LENGTH_LONG).show();
        }
    }

    private void init() {
        log.v(this, "init()");
        int version = Configuration.getInstance(activity).getCurrentVersion();
        if (version != CrashHandler.getVersionCode(activity)) {
            Message msg = Message.obtain();
            msg.what = Constant.WHAT_DISPLAY_CHANGELOG;
            viewHandler.sendMessage(msg);
        }
    }

    private void displayChapter() {
        log.v(this, "displayChapter()");
        FragmentManager fm = activity.getSupportFragmentManager();
        if (fm.findFragmentByTag(ChapterFragment.class.getName()) != null) {
            fm.beginTransaction().remove(fm.findFragmentByTag(ChapterFragment.class.getName())).commit();
        }
        fm.beginTransaction()
                .add(R.id.contentFragment, ChapterFragment.newInstance(), ChapterFragment.class.getName())
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN).commit();
    }

    private void selectChapter(Chapter chapter) {
        log.v(this, "selectVerse(" + chapter.getNo() + ")");
        FragmentManager fm = activity.getSupportFragmentManager();
        fm.beginTransaction()
                .replace(R.id.contentFragment, VerseFragment.newInstance(chapter), VerseFragment.class.getName())
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .addToBackStack(VerseFragment.class.getName()).commit();
    }

    private void selectVerse(SearchVerse verse) {
        log.v(this, "selectVerse(" + verse.getIndex() + ")");
        FragmentManager fm = activity.getSupportFragmentManager();
        fm.beginTransaction()
                .replace(R.id.contentFragment, VerseFragment.newInstance(verse), VerseFragment.class.getName())
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .addToBackStack(VerseFragment.class.getName()).commit();
    }
}