SudokuExportActivity.java

package org.moire.opensudoku.gui;

import java.io.File;
import java.util.Date;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import org.moire.opensudoku.R;
import org.moire.opensudoku.db.SudokuDatabase;
import org.moire.opensudoku.game.FolderInfo;
import org.moire.opensudoku.gui.exporting.FileExportTask;
import org.moire.opensudoku.gui.exporting.FileExportTaskParams;
import org.moire.opensudoku.gui.exporting.FileExportTaskResult;
import org.moire.opensudoku.gui.exporting.FileExportTask.OnExportFinishedListener;

public class SudokuExportActivity extends Activity {

	/**
	 * Id of folder to export. If -1, all folders will be exported.
	 */
	public static final String EXTRA_FOLDER_ID = "FOLDER_ID";
	/**
	 * Id of sudoku to export.
	 */
//	public static final String EXTRA_SUDOKU_ID = "SUDOKU_ID";

	public static final long ALL_FOLDERS = -1;

	private static final int DIALOG_FILE_EXISTS = 1;
	private static final int DIALOG_PROGRESS = 2;

	private static final String TAG = SudokuExportActivity.class.getSimpleName();

	private FileExportTask mFileExportTask;
	private FileExportTaskParams mExportParams;

	private EditText mFileNameEdit;
	private EditText mDirectoryEdit;
	private Button mSaveButton;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.sudoku_export);

		mFileNameEdit = (EditText) findViewById(R.id.filename);
		mDirectoryEdit = (EditText) findViewById(R.id.directory);
		mSaveButton = (Button) findViewById(R.id.save_button);
		mSaveButton.setOnClickListener(mOnSaveClickListener);

		mFileExportTask = new FileExportTask(this);
		mExportParams = new FileExportTaskParams();

		Intent intent = getIntent();
		if (intent.hasExtra(EXTRA_FOLDER_ID)) {
			mExportParams.folderID = intent.getLongExtra(EXTRA_FOLDER_ID, ALL_FOLDERS);
//		} else if (intent.hasExtra(EXTRA_SUDOKU_ID)) {
//			mExportParams.sudokuID = intent.getLongExtra(EXTRA_SUDOKU_ID, 0);
		} else {
			Log.d(TAG, "No 'FOLDER_ID' extra provided, exiting.");
			finish();
			return;
		}

		String fileName = null;
		String timestamp = DateFormat.format("yyyy-MM-dd", new Date()).toString();
		if (mExportParams.folderID == -1) {
			fileName = "all-folders-" + timestamp;
		} else {
			SudokuDatabase database = new SudokuDatabase(getApplicationContext());
			FolderInfo folder = database.getFolderInfo(mExportParams.folderID);
			if (folder == null) {
				Log.d(TAG, String.format("Folder with id %s not found, exiting.", mExportParams.folderID));
				finish();
				return;
			}
			fileName = folder.name + "-" + timestamp;
			database.close();
		}
		mFileNameEdit.setText(fileName);


		//showDialog(DIALOG_SELECT_EXPORT_METHOD);
	}

	private OnClickListener mOnSaveClickListener = new OnClickListener() {
		@Override
		public void onClick(View v) {
			exportToFile();
		}
	};


	@Override
	protected Dialog onCreateDialog(int id) {
		switch (id) {
			case DIALOG_FILE_EXISTS:

				return new AlertDialog.Builder(this)
						.setTitle(R.string.export)
						.setMessage(R.string.file_exists)
						.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog, int which) {
								startExportToFileTask();
							}
						})
						.setNegativeButton(android.R.string.no, null)
						.create();
			case DIALOG_PROGRESS:
				ProgressDialog progressDialog = new ProgressDialog(this);
				progressDialog.setIndeterminate(true);
				progressDialog.setTitle(R.string.app_name);
				progressDialog.setMessage(getString(R.string.exporting));
				return progressDialog;
		}

		return null;
	}

	private void exportToFile() {
		File sdcard = new File("/sdcard");
		if (!sdcard.exists()) {
			Toast.makeText(SudokuExportActivity.this, R.string.sdcard_not_found, Toast.LENGTH_LONG);
			finish();
		}

		String directory = mDirectoryEdit.getText().toString();
		String filename = mFileNameEdit.getText().toString();

		File file = new File(directory, filename + ".opensudoku");
		if (file.exists()) {
			showDialog(DIALOG_FILE_EXISTS);
		} else {
			startExportToFileTask();
		}
	}

	private void startExportToFileTask() {
		mFileExportTask.setOnExportFinishedListener(new OnExportFinishedListener() {

			@Override
			public void onExportFinished(FileExportTaskResult result) {
				dismissDialog(DIALOG_PROGRESS);

				if (result.successful) {
					Toast.makeText(SudokuExportActivity.this, getString(R.string.puzzles_have_been_exported, result.file), Toast.LENGTH_SHORT).show();
				} else {
					Toast.makeText(SudokuExportActivity.this, getString(R.string.unknown_export_error), Toast.LENGTH_LONG).show();
				}
				finish();
			}
		});

		String directory = mDirectoryEdit.getText().toString();
		String filename = mFileNameEdit.getText().toString();

		mExportParams.file = new File(directory, filename + ".opensudoku");

		showDialog(DIALOG_PROGRESS);
		mFileExportTask.execute(mExportParams);

	}

//	private void exportToMail() {
//		
//		mFileExportTask.setOnExportFinishedListener(new OnExportFinishedListener() {
//			
//			@Override
//			public void onExportFinished(FileExportTaskResult result) {
//				mProgressDialog.dismiss();
//
//				if (result.successful) {
//					Intent intent = new Intent(Intent.ACTION_SEND);
//					intent.setType(Const.MIME_TYPE_OPENSUDOKU);
//					intent.putExtra(Intent.EXTRA_TEXT, "Puzzles attached.");
//					intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(result.file));
//					
//			        try { 
//			            startActivity(intent);
//			        } catch (android.content.ActivityNotFoundException ex) {
//			            Toast.makeText(SudokuExportActivity.this, "no way to share folder", Toast.LENGTH_SHORT).show();
//			        }
//				} else {
//					Toast.makeText(SudokuExportActivity.this, "not successful.", Toast.LENGTH_LONG).show();
//				}
//				
//				finish();
//			}
//		});
//		
//		
//		mProgressDialog.show();
//		mFileExportTask.execute(mExportParams);
//	}


}