Android Open Source - FindYourWords Set Words

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License

The source code is released under:

Apache License

Java Source Code

/**
 * Class SetWords is the first Activity of Find Your Words application
 * In this activity user can write new words, upload and save .txt files,
 * chose the words to put in the grid and start the game
 * //from  www  .j av  a2 s .  co  m
 * @author Sara Craba
 * @version 1.0
 */

package mainClasses;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.Typeface;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.ipaulpro.afilechooser.utils.FileUtils;
import com.sara.find_your_words.R;

import dialog.DialogCredits;
import dialog.DialogInfo;
import dialog.DialogSaveFile;

/**
 * @see Activity() on Android
 */
public class SetWords extends Activity 
{
  //layout objects 
  private EditText editText;
  private Button buttonInsert;
  private Button buttonReset;
  private Button buttonOpenFile;
  private Button buttonSaveFile;
  
  private LinearLayout layoutListWords;
  private Button buttonSelectAll;
  private Button buttonDeselectAll;
  private Button buttonPlay;
  
  private Button buttonInfo;
  private Button buttonCredits;
  
  //font implementation  
  private Typeface type;
  private static final int TEXT_EDITTEXT_COLOR = Color.WHITE;
  private static final int TEXT_LISTWORDS_COLOR = Color.BLACK;
  private static  int TEXT_LISTWORDS_SIZE;
  
  //onActivityResult code to open file choser
  private static final int REQUEST_CHOOSER = 1234;
  
  //array of input words  
  private ArrayList <CheckBox> checkBoxArray= new ArrayList<CheckBox>();
  //lastCheckBox takes track of the last CheckBox view into the layoutListWords
  private int lastCheckBox=0;
  
  //splitString method variables
  private static StringBuilder supportCreateWord;
  private CheckBox supportWord;
  
  //support for insertButton
  private static String textFromInputBox= new String();
  
  //support for request choser
  private static File file;
  
  //arrayString to pass at the MainActivity
  private ArrayList<String> inputArray;
  
  /**
   * @see onCreate() on Android Activity class
   */
  @Override
  protected void onCreate(Bundle savedInstanceState) 
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.set_words);
  
    //hide keybord when start
    getWindow().setSoftInputMode( WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    
    editText=(EditText)findViewById(R.id.insertWords);
        TEXT_LISTWORDS_SIZE = (int) getResources().getDimension(R.dimen.list_word_check_box);
    type =Typeface.createFromAsset(getAssets(),"jennifer.ttf");
    //set editText font 
    editText.setTextColor(TEXT_EDITTEXT_COLOR);
    editText.setTypeface(type,0);
    
    buttonInsert= (Button)findViewById(R.id.buttonInsert);
    buttonReset= (Button)findViewById(R.id.buttonReset);
    buttonOpenFile= (Button)findViewById(R.id.btnReadSDFile);
    buttonSaveFile= (Button)findViewById(R.id.buttonWriteSDFile);
    
    layoutListWords= (LinearLayout)findViewById(R.id.scrollView);
    buttonSelectAll= (Button)findViewById(R.id.selectAll);
    buttonDeselectAll= (Button)findViewById(R.id.deselectAll);
    buttonPlay= (Button)findViewById(R.id.button_play);
    
    buttonInfo= (Button)findViewById(R.id.buttonInfo);
    buttonCredits =(Button)findViewById(R.id.buttonCredits);

    //button insert: 
    //1. gets the text from editText and create one string of this
    //2. upload value of lastCheckBox
    //3. parse the string to detect the words and fill checkBoxArray
    //4. put the checkBox words into the layoutListWord
    buttonInsert.setOnClickListener(new View.OnClickListener() 
    {
          public void onClick(View view) 
          {  
            textFromInputBox = editText.getText().toString();

          lastCheckBox= checkBoxArray.size();
          
            splitString(textFromInputBox);
            
            for(int index=lastCheckBox; index<checkBoxArray.size(); index++)
            {
              layoutListWords.addView(checkBoxArray.get(index));
            }
            layoutListWords.invalidate();
          }
      });    
    
    //button reset:
    //erase the text into editText
    buttonReset.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View view) 
      {
        editText.setText("");        
      }
    });
    
    //button openFile
    //1. open a fileChooser to select the text file to open
    //2. call startActivityForResult to manage the file
    buttonOpenFile.setOnClickListener(new View.OnClickListener()
    {
      public void onClick(View v) 
      {
        Intent getContentIntent = FileUtils.createGetContentIntent();
        Intent intent = Intent.createChooser(getContentIntent, "Select a file");
        
        startActivityForResult(intent, REQUEST_CHOOSER);
          }
        });
    
    //button saveFile
    //1. put editText text into a bundle
    //2. create a dialog, pass bundle to dialog and show dialog
    buttonSaveFile.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View v) 
      {
        Bundle dialogArguments= new Bundle();
        dialogArguments.putString("text", editText.getText().toString());
        
        DialogSaveFile callDialog = new DialogSaveFile();
        callDialog.setArguments(dialogArguments);
        callDialog.show(getFragmentManager(), "missiles");
      }
    });
    
    //button info: 
    //create a info dialog and show it
    buttonInfo.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View view) 
      {
        DialogInfo callDialog = new DialogInfo();
        callDialog.show(getFragmentManager(), "missiles");
      }
    });
    
    //button credits: 
    //create a credits dialog and show it
    buttonCredits.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View view) 
      {
        DialogCredits callDialog = new DialogCredits();
        callDialog.show(getFragmentManager(), "missiles");
      }
    });
    
    //button selectAll
    //mark each CheckBox string as selected
    buttonSelectAll.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View view) 
      {
        for(CheckBox object: checkBoxArray)
        {
          object.setChecked(true);
        }
        
        layoutListWords.invalidate();
      }
    });
    
    //button deselectAll
    //mark each CheckBox string as not selected
    buttonDeselectAll.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View view) 
      {
        for(CheckBox object: checkBoxArray)
        {
          object.setChecked(false);
        }
        
        layoutListWords.invalidate();      
      }
    });
    
    //button play: start the game
    //1. create a new inputArray
    //2. copy the word from checkBoxArray to inputArray
    //3. start MainActivity with inputArray
    buttonPlay.setOnClickListener(new View.OnClickListener() 
    {
      public void onClick(View view) 
      {
        inputArray= new ArrayList<String>();
      
        for(CheckBox object: checkBoxArray)
        {
          if(object.isChecked())
          {
            inputArray.add(object.getText().toString());
          }
        }
        
        if(inputArray.size()==0)
        {
          Toast.makeText(getApplicationContext(),"Nothing to search!",Toast.LENGTH_SHORT).show();
        }
        else
        {
          Intent intent = new Intent(getApplicationContext(), MainActivity.class);
          intent.putStringArrayListExtra("WordArray", inputArray);
            startActivity(intent);
        }
      }
    });
  }

  /**
   * Split a String in words with 3 or more characters
   * 
   * 1. changes text in lower case
   * 2. for all char in the textString
   *     2.1 if is a letter concat to StringBuilder
   *     2.2 else create a new CheckBox object and add this at checkBoxArray
   * 
   * @param textString   String to split
   */
  private void splitString(String textString)
  {  
    textString=textString.toLowerCase() + '.';
    
    //Note: creates a string builder whose value is initialized by the specified string, 
    //  plus an extra 16 empty elements trailing the string
    StringBuilder textFromInput = new StringBuilder(textString);
    
    boolean jumpIfCopy;
    
    //for from the begin of textFromInput to the end+1
    for(int index=0; index< textFromInput.length(); index++)
    {
      supportCreateWord=new StringBuilder();
      jumpIfCopy= false;
    
      //while founds letters, appends it to the supportCreateWord
      while(Character.isLetter((textFromInput.charAt(index))))
      {
        supportCreateWord.append(textFromInput.charAt(index++));
      }
      
      //if supportCreateWord is a word with less of 3 char, is not new word
      if (supportCreateWord.length()<3)
      {
        continue;
      }
      
      //if founds a copy not create another CheckBox object
      for(int control=0; control<checkBoxArray.size(); control++)
      {
        if(checkBoxArray.get(control).getText().toString().equals(supportCreateWord.toString()))
        {
          jumpIfCopy=true;
          break;
        }
      }
      
      if(!jumpIfCopy)
      {
        //create new checkBox with the word in supportCreateWord and put this into the checkBoxArray
        supportWord= new CheckBox(this);
        supportWord.setText(supportCreateWord);
        supportWord.setTypeface(type,0);
        supportWord.setTextColor(TEXT_LISTWORDS_COLOR);
        supportWord.setTextSize(TEXT_LISTWORDS_SIZE);
        supportWord.setChecked(true);
        checkBoxArray.add(supportWord);
      }
    }    
  }
  
  /**
   * @see onActivityResult() on Android Activity class
   */
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data)
  {
    switch (requestCode)
    {
    
      /**
       * Open a chose file
       * 1. takes the file
       * 2. controls is a .txt file
       * 3. read the file
       * 4. show file in editText
       */
      case REQUEST_CHOOSER:
        if(resultCode == RESULT_OK)
        {
          final Uri uri = data.getData();
          file = FileUtils.getFile(uri);
          
          String supportCorrectName=file.getName();
          
          if(!(supportCorrectName.substring(supportCorrectName.length()-4).equals(".txt")) )
          {
            Log.e("string", supportCorrectName.substring(supportCorrectName.length()-4) );
            Toast.makeText(getApplicationContext(), 
                  "Error: not text file selected, \nselect .txt file",
                  Toast.LENGTH_LONG).show();
            return;
          }
          
          StringBuilder text = new StringBuilder();
          BufferedReader buffer=null;
          try
          {
            buffer = new BufferedReader(new FileReader(file));
            String line;
            
            while ((line = buffer.readLine()) != null)
            {
              text.append(line);
              text.append('\n');
            }
          } 
          catch(IOException e) 
          {
            Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
          } 
          finally 
          {
            try 
            {
              if (buffer != null) 
                buffer.close();
            } 
            catch (IOException e) 
            {
              Toast.makeText(getApplicationContext(), e.getMessage(), 
                                        Toast.LENGTH_SHORT).show();
            }
          }
          
          //if input file is successful
          editText.setText(text);
        }
    }
  }
}

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