com.bellman.bible.android.view.activity.footnoteandref.FootnoteAndRefActivity.java Source code

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Here is the source code for com.bellman.bible.android.view.activity.footnoteandref.FootnoteAndRefActivity.java

Source

package com.bellman.bible.android.view.activity.footnoteandref;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

import com.bellman.bible.android.activity.R;
import com.bellman.bible.android.control.ControlFactory;
import com.bellman.bible.android.control.footnoteandref.FootnoteAndRefControl;
import com.bellman.bible.android.view.activity.base.IntentHelper;
import com.bellman.bible.android.view.activity.base.ListActivityBase;
import com.bellman.bible.android.view.util.swipe.SwipeGestureEventHandler;
import com.bellman.bible.android.view.util.swipe.SwipeGestureListener;
import com.bellman.bible.service.format.Note;

import org.apache.commons.lang3.StringUtils;
import org.crosswire.jsword.passage.VerseRange;

import java.util.ArrayList;
import java.util.List;

/**
 * Show Notes and Cross references for the current verse
 *
 * @author Martin Denham [mjdenham at gmail dot com]
 * @see gnu.lgpl.License for license details.<br>
 * The copyright to this program is held by it's author.
 */
public class FootnoteAndRefActivity extends ListActivityBase implements SwipeGestureEventHandler {
    static final protected String LIST_ITEM_LINE1 = "line1";
    static final protected String LIST_ITEM_LINE2 = "line2";
    private static final String TAG = "NotesActivity";
    private static final int LIST_ITEM_TYPE = android.R.layout.simple_list_item_2;
    private TextView mWarning;
    private VerseRange currentVerseRange;
    private List<Note> mChapterNotesList;
    private List<Note> mVerseNotesList;
    private ArrayAdapter<Note> mNotesListAdapter;
    private IntentHelper intentHelper = new IntentHelper();
    // detect swipe left/right
    private GestureDetector gestureDetector;
    private FootnoteAndRefControl footnoteAndRefControl = ControlFactory.getInstance().getFootnoteAndRefControl();

    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.i(TAG, "Displaying notes");
        setContentView(R.layout.notes);

        //fetch verse from intent if set - so that goto via History works nicely
        currentVerseRange = intentHelper.getIntentVerseRangeOrDefault(getIntent());

        mWarning = (TextView) findViewById(R.id.warningText);

        mChapterNotesList = footnoteAndRefControl.getCurrentPageFootnotesAndReferences();

        initialiseView();

        // create gesture related objects
        gestureDetector = new GestureDetector(new SwipeGestureListener(this));
    }

    private void initialiseView() {
        mVerseNotesList = new ArrayList<Note>();

        showCurrentVerse();
        populateVerseNotesList();
        prepareWarningMsg();

        mNotesListAdapter = new ItemAdapter(this, LIST_ITEM_TYPE, mVerseNotesList);
        setListAdapter(mNotesListAdapter);
    }

    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        noteSelected(mVerseNotesList.get(position));
    }

    /**
     * swiped left
     */
    public void onNext() {
        Log.d(TAG, "Next");
        currentVerseRange = footnoteAndRefControl.next(currentVerseRange);
        onVerseChanged();
    }

    /**
     * swiped right
     */
    public void onPrevious() {
        Log.d(TAG, "Previous");
        currentVerseRange = footnoteAndRefControl.previous(currentVerseRange);
        onVerseChanged();
    }

    private void onVerseChanged() {
        showCurrentVerse();
        populateVerseNotesList();
        notifyDataSetChanged();
        prepareWarningMsg();
    }

    private void populateVerseNotesList() {
        mVerseNotesList.clear();
        int startVerseNo = currentVerseRange.getStart().getVerse();
        int endVerseNo = currentVerseRange.getEnd().getVerse();
        if (mChapterNotesList != null) {
            for (Note note : mChapterNotesList) {
                final int noteVerseNo = note.getVerseNo();
                if (noteVerseNo >= startVerseNo && noteVerseNo <= endVerseNo) {
                    mVerseNotesList.add(note);
                }
            }
        }
    }

    private void prepareWarningMsg() {
        String warning = "";
        if (mChapterNotesList == null || mChapterNotesList.size() == 0) {
            warning = getString(R.string.no_chapter_notes);
        } else if (mChapterNotesList == null || mVerseNotesList.size() == 0) {
            warning = getString(R.string.no_verse_notes);
        }

        mWarning.setText(warning);
        if (StringUtils.isNotEmpty(warning)) {
            mWarning.setVisibility(View.VISIBLE);
            getListView().setVisibility(View.GONE);
        } else {
            mWarning.setVisibility(View.GONE);
            getListView().setVisibility(View.VISIBLE);
        }
    }

    private void showCurrentVerse() {
        setTitle(footnoteAndRefControl.getTitle(currentVerseRange));
    }

    private void noteSelected(Note note) {
        Log.i(TAG, "chose:" + note);
        if (note.isNavigable()) {
            note.navigateTo();
        }
        doFinish();
    }

    public void onFinish(View v) {
        Log.i(TAG, "CLICKED");
        doFinish();
    }

    public void doFinish() {
        Intent resultIntent = new Intent();
        setResult(Activity.RESULT_OK, resultIntent);
        finish();
    }

    // handle swipe left and right
    @Override
    public boolean dispatchTouchEvent(MotionEvent motionEvent) {
        this.gestureDetector.onTouchEvent(motionEvent);
        return super.dispatchTouchEvent(motionEvent);
    }
}