Android Open Source - AudioReviser Audio Reviser Business Logic

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.mooshmoosh.audioreviser.audioreviserbusinesslogic;
//  w w  w  .  j ava2  s . co  m
import java.io.File;
import java.util.Calendar;
import java.util.Locale;

public class AudioReviserBusinessLogic {
  
  //textViewWidgets
  public boolean[] textViewIsChanged;
  public String[] newText;
  
  public static int TEXTVIEW_WIDGET_COUNT = 5;
  
  //TextViewWidget constants, the names match those in R.id.*
  public int chunk_time_remaining = 0;
  public int current_chunk = 1;
  public int date_stamp = 2;
  public int instruction_text_view = 3;
  public int notes_list = 4;
  
  //buttonWidgets
  public boolean[] buttonIsChanged;
  public boolean[] isEnabled;
  public String[] newButtonText;
  
  public static int BUTTON_WIDGET_COUNT = 5;
  
  //buttonWidget constants, the names match those in R.id.*
  public int add_notes_button = 0;
  public int next_button = 1;
  public int pause_button = 2;
  public int play_button = 3;
  public int start_stop_button = 4;
  
  public AndroidAudioManagerMock mAudioManager;
  public String mWorkingDirectory;
  
  public AudioReviserDatabaseManager dbase;
  
  public AudioReviserBusinessLogic(AndroidAudioManagerMock audioManager, String WorkingDirectory, String databaseFilename) throws Exception{
    mAudioManager = audioManager;
    if(WorkingDirectory!=null) {
      if(!createAppDirectory(WorkingDirectory)) {
        throw new Exception("Could Not Create Working Directory");
      }
      mWorkingDirectory = WorkingDirectory + "/";
    } else mWorkingDirectory = null;
    dbase = new AudioReviserDatabaseManager();
    try {
      if(databaseFilename!=null)
        dbase.loadDatabase(databaseFilename);
    }
    catch(java.io.FileNotFoundException e) {
      dbase.set("CurrentChunkToPlay",0);
      dbase.set("RevisionLevel",0);
    }
    catch(Exception e) {
      System.out.println("Other Exception:" + e);
    }
    if(databaseFilename!=null) {
      resetWidgetControls();
      initialiseWidgets();
    }
  }
  
  private boolean createAppDirectory(String directory) {
    File folder = new File(directory);
    if(!folder.exists()) {
      return folder.mkdir();
    }
    else {
      return true;
    }
  }
  
  public void resetWidgetControls() {
    textViewIsChanged = new boolean[TEXTVIEW_WIDGET_COUNT];
    newText = new String [TEXTVIEW_WIDGET_COUNT];
    
    buttonIsChanged = new boolean [TEXTVIEW_WIDGET_COUNT];
    isEnabled = new boolean [TEXTVIEW_WIDGET_COUNT];
    newButtonText = new String [TEXTVIEW_WIDGET_COUNT];
    
    for(int i=0;i<TEXTVIEW_WIDGET_COUNT;i++) {
      textViewIsChanged[i] = false;
      newText[i] = null;
    }
    for(int i=0;i<BUTTON_WIDGET_COUNT;i++) {
      buttonIsChanged[i] = false;
      isEnabled[i] = false;
      newButtonText[i] = null;
    }
  }
  
  private void initialiseWidgets() throws Exception{
    disableButton(pause_button);
    disableButton(next_button);
    
    if(!dbase.entryExists("FirstInChunk"+dbase.valueOf("CurrentChunkToPlay"))) {
      //if FirstInChunk(CurrentChunkToPlay) is undefined then there are no notes in the chunk
      disableButton(play_button);
      setTextViewText(notes_list,"Nothing to play");
    }
    else if(!dbase.entryExists("ChunkRunningTime"+dbase.valueOf("CurrentChunkToPlay"))) {
      //if ChunkRunningTime(CurrentChunkToPlay) is undefined then the current chunk is incomplete
      disableButton(play_button);
      setTextViewText(notes_list,"The current chunk is incomplete");
    }
    else if(dbase.valueOf("CurrentChunkToPlay")<7) {
      enableButton(play_button);
      setTextViewText(notes_list, "Today's chunk to play is: " + dbase.valueOf("CurrentChunkToPlay"));
    }
    else if(dbase.valueOf("CurrentChunkToPlay")<30) {
      enableButton(play_button);
      setTextViewText(notes_list, "Today's chunks to play are: " + dbase.valueOf("CurrentChunkToPlay") + ", " +  (dbase.valueOf("CurrentChunkToPlay") - 7));
    }
    else {
      enableButton(play_button);
      setTextViewText(notes_list, "Today's chunks to play are: " + dbase.valueOf("CurrentChunkToPlay") + ", " +  (dbase.valueOf("CurrentChunkToPlay") - 7) + ", " +  (dbase.valueOf("CurrentChunkToPlay") - 30));
    }
    
  }

  public void nextButtonClick() {
    // TODO Auto-generated method stub
  }

  public void pauseButtonClick() {
    // TODO Auto-generated method stub
    
  }

  public void startStopButtonClick() {
    // TODO Auto-generated method stub
    
  }

  public void playButtonClick() {
    // TODO Auto-generated method stub
    
  }

  public void startStopButtonWork() {
    // TODO Auto-generated method stub
    
  }
  
  public void switchToAddNotesFragment() {
    
  }
  
  private void setTextViewText(int textView, String newValue) {
    if(0<=textView&& textView <TEXTVIEW_WIDGET_COUNT) {
      newText[textView] = newValue;
      textViewIsChanged[textView] = true;
    }
  }
  
  private void enableButton(int button) {
    if(0 <= button && button < BUTTON_WIDGET_COUNT) {
      buttonIsChanged[button] = true;
      isEnabled[button] = true;
      newButtonText[button] = null;
    }
  }
  
  private void disableButton(int button) {
    if(0<=button&& button <BUTTON_WIDGET_COUNT) {
      buttonIsChanged[button] = true;
      isEnabled[button] = false;
      newButtonText[button] = null;
    }
  }
  
  public String currentDateFormatted() {
    Calendar CurrentDate = Calendar.getInstance();
    return String.format(Locale.getDefault(),"%04d-%02d-%02d-%02d-%02d-%02d",CurrentDate.get(Calendar.YEAR),CurrentDate.get(Calendar.MONTH),CurrentDate.get(Calendar.DAY_OF_MONTH),CurrentDate.get(Calendar.HOUR_OF_DAY),CurrentDate.get(Calendar.MINUTE),CurrentDate.get(Calendar.SECOND));
  }
}

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