GridChoosePassageBook.java :  » UnTagged » and-bible » net » bible » android » view » activity » navigation » Android Open Source

package net.bible.android.view.activity.navigation;

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

import net.bible.android.control.page.CurrentPageManager;
import net.bible.android.view.activity.base.ActivityBase;
import net.bible.android.view.activity.page.MainBibleActivity;
import net.bible.android.view.util.buttongrid.ButtonGrid;
import net.bible.android.view.util.buttongrid.OnButtonGridActionListener;
import net.bible.android.view.util.buttongrid.ButtonGrid.ButtonInfo;

import org.crosswire.jsword.passage.NoSuchVerseException;
import org.crosswire.jsword.passage.Verse;
import org.crosswire.jsword.versification.BibleInfo;
import org.crosswire.jsword.versification.BibleNames;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;

/**
 * Choose a bible book e.g. Psalms
 * 
 * @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 GridChoosePassageBook extends ActivityBase implements OnButtonGridActionListener {

  // colour and grouping taken from http://en.wikipedia.org/wiki/Books_of_the_Bible
  private static final int PENTATEUCH_COLOR = Color.rgb(0xCC, 0xCC, 0xFE);
  private static final int HISTORY_COLOR = Color.rgb(0xFE, 0xCC, 0x9B);
  private static final int WISDOM_COLOR = Color.rgb(0x99, 0xFF, 0x99);
  private static final int MAJOR_PROPHETS_COLOR = Color.rgb(0xFF, 0x99, 0xFF);
  private static final int MINOR_PROPHETS_COLOR = Color.rgb(0xFF, 0xFE, 0xCD);
  private static final int GOSPEL_COLOR = Color.rgb(0xFF, 0x97, 0x03);
  private static final int ACTS_COLOR = Color.rgb(0x00, 0x99, 0xFF);
  private static final int PAULINE_COLOR = Color.rgb(0xFF, 0xFF, 0x31);
  private static final int GENERAL_EPISTLES_COLOR = Color.rgb(0x67, 0xCC, 0x66); // changed 99 to CC to make a little clearer on dark background
  private static final int REVELATION_COLOR = Color.rgb(0xFE, 0x33, 0xFF);
  
  private static final String TAG = "GridChoosePassageBook";

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        ButtonGrid grid = new ButtonGrid(this);
        
        grid.setOnButtonGridActionListener( this );
        
        grid.addButtons(getBibleBookButtonInfo());
        
        setContentView(grid);
    }
    
  @Override
  public void buttonPressed(ButtonInfo buttonInfo) {
    Log.d(TAG, "Book:"+buttonInfo.id+" "+buttonInfo.name);
      bookSelected(buttonInfo.id);
  }

    private void bookSelected(int bibleBookNo) {
      Log.d(TAG, "Book selected:"+bibleBookNo);
      try {
        // if there is only 1 chapter then no need to select chapter
        if (BibleInfo.chaptersInBook(bibleBookNo)==1) {
            CurrentPageManager.getInstance().getCurrentBible().setKey(new Verse(bibleBookNo, 1, 1));
            returnToMainScreen();
        } else {
          // select chapter
            Intent myIntent = new Intent(this, GridChoosePassageChapter.class);
            myIntent.putExtra("BOOK_NO", bibleBookNo);
            startActivityForResult(myIntent, bibleBookNo);
        }
      } catch (Exception e) {
        Log.e(TAG, "error on select of bible book", e);
      }
    }

    @Override 
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
      if (resultCode==Activity.RESULT_OK) {
        returnToMainScreen();
      }
    }
    
    private void returnToMainScreen() {
      // just pass control back to teh main screen
      Intent resultIntent = new Intent(this, MainBibleActivity.class);
      setResult(Activity.RESULT_OK, resultIntent);
      finish();    
    }
    private List<ButtonInfo> getBibleBookButtonInfo() {
      boolean isShortBookNamesAvailable = isShortBookNames();
      
      List<ButtonInfo> keys = new ArrayList<ButtonInfo>(BibleInfo.booksInBible());
      for (int i=BibleNames.GENESIS; i<=BibleNames.REVELATION; i++) {
        ButtonInfo buttonInfo = new ButtonInfo();
        try {
          // this is used for preview
          buttonInfo.id = i;
          buttonInfo.name = getShortBookName(i, isShortBookNamesAvailable);
          buttonInfo.textColor = getBookTextColor(i);
        } catch (NoSuchVerseException nsve) {
          buttonInfo.name = "ERR";
        }
        keys.add(buttonInfo);
      }
      return keys;
    }

  /**
   * @return
   * @throws NoSuchVerseException
   */
  private boolean isShortBookNames() {
    try {
      return !BibleInfo.getShortBookName(BibleNames.GENESIS).equals(BibleInfo.getLongBookName(BibleNames.GENESIS));
    } catch (NoSuchVerseException nsve) {
      // should never get here
      Log.e(TAG, "No such bible book no: 1", nsve);
      return false;
    }
  }
    
    private String getShortBookName(int bookNo, boolean isShortBookNamesAvailable) throws NoSuchVerseException {
      // shortened names exist so use them
      if (isShortBookNamesAvailable) {
        return BibleInfo.getShortBookName(bookNo);
      }

      // getShortName will return the long name in place of the short name
      String bookName = BibleInfo.getShortBookName(bookNo);
      
      // so now we shorten the name programatically
      StringBuilder shortenedName = new StringBuilder(4);
      int i=0;
      while (shortenedName.length()<4 && i<bookName.length()) {
        char ch = bookName.charAt(i);
        if (ch!=' ' && ch!='.') {
          shortenedName.append(ch);
        }
        i++;
      }
      
      return shortenedName.toString();
    }
    
    private int getBookTextColor(int bookNo) {
      // colour and grouping taken from http://en.wikipedia.org/wiki/Books_of_the_Bible
      if (bookNo<6) {
        // Pentateuch - books of Moses
        return PENTATEUCH_COLOR;
      } else if (bookNo<18) {
        // History
        return HISTORY_COLOR;
      } else if (bookNo<23) {
        // Wisdom
        return WISDOM_COLOR;
      } else if (bookNo<28) {
        // Major prophets
        return MAJOR_PROPHETS_COLOR;
      } else if (bookNo<40) {
        // Minor prophets
        return MINOR_PROPHETS_COLOR;
      } else if (bookNo<44) {
        // Gospels
        return GOSPEL_COLOR;
      } else if (bookNo<45) {
        // Acts
        return ACTS_COLOR;
      } else if (bookNo<58) {
        // Pauline epistles
        return PAULINE_COLOR;
      } else if (bookNo<66) {
        // General epistles
        return GENERAL_EPISTLES_COLOR;
      } else {
        // Revelation
        return REVELATION_COLOR;
      }
    }
}