Android Open Source - gnucash-android Export Dialog Fragment

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Copyright (c) 2012-2013 Ngewi Fet <ngewif@gmail.com>
 */*from   w ww.j  ava 2 s.c o m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gnucash.android.export;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.DialogFragment;
import android.text.AndroidCharacter;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import org.gnucash.android.R;
import org.gnucash.android.app.GnuCashApplication;

import java.io.File;

/**
 * Dialog fragment for exporting account information as OFX files.
 * @author Ngewi Fet <ngewif@gmail.com>
 */
public class ExportDialogFragment extends DialogFragment {
    
  /**
   * Spinner for selecting destination for the exported file.
   * The destination could either be SD card, or another application which
   * accepts files, like Google Drive.
   */
  Spinner mDestinationSpinner;
  
  /**
   * Checkbox indicating that all transactions should be exported,
   * regardless of whether they have been exported previously or not
   */
  CheckBox mExportAllCheckBox;
  
  /**
   * Checkbox for deleting all transactions after exporting them
   */
  CheckBox mDeleteAllCheckBox;
  
  /**
   * Save button for saving the exported files
   */
  Button mSaveButton;
  
  /**
   * Cancels the export dialog
   */
  Button mCancelButton;

    /**
     * Text view for showing warnings based on chosen export format
     */
    TextView mExportWarningTextView;

  /**
   * File path for saving the OFX files
   */
  String mFilePath;
  
  /**
   * Tag for logging
   */
  private static final String TAG = "ExportDialogFragment";

    private ExportFormat mExportFormat = ExportFormat.QIF;

  /**
   * Click listener for positive button in the dialog.
   * @author Ngewi Fet <ngewif@gmail.com>
   */
  protected class ExportClickListener implements View.OnClickListener {

    @Override
    public void onClick(View v) {
            ExportParams exportParameters = new ExportParams(mExportFormat);
            exportParameters.setExportAllTransactions(mExportAllCheckBox.isChecked());
            exportParameters.setTargetFilepath(mFilePath);
            int position = mDestinationSpinner.getSelectedItemPosition();
            exportParameters.setExportTarget(position == 0 ? ExportParams.ExportTarget.SHARING : ExportParams.ExportTarget.SD_CARD);
            exportParameters.setDeleteTransactionsAfterExport(mDeleteAllCheckBox.isChecked());

            dismiss();

            Log.i(TAG, "Commencing async export of transactions");
            new ExporterAsyncTask(getActivity()).execute(exportParameters);
    }
    
  }

    public void onRadioButtonClicked(View view){
        switch (view.getId()){
            case R.id.radio_ofx_format:
                mExportFormat = ExportFormat.OFX;
                if (GnuCashApplication.isDoubleEntryEnabled()){
                    mExportWarningTextView.setText(getActivity().getString(R.string.export_warning_ofx));
                    mExportWarningTextView.setVisibility(View.VISIBLE);
                } else {
                    mExportWarningTextView.setVisibility(View.GONE);
                }
                break;
            case R.id.radio_qif_format:
                mExportFormat = ExportFormat.QIF;
                //TODO: Also check that there exist transactions with multiple currencies before displaying warning
                if (GnuCashApplication.isDoubleEntryEnabled()) {
                    mExportWarningTextView.setText(getActivity().getString(R.string.export_warning_qif));
                    mExportWarningTextView.setVisibility(View.VISIBLE);
                } else {
                    mExportWarningTextView.setVisibility(View.GONE);
                }
        }
        mFilePath = getActivity().getExternalFilesDir(null) + "/" + Exporter.buildExportFilename(mExportFormat);
    }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    return inflater.inflate(R.layout.dialog_export, container, false);
  }
  
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {    
    super.onActivityCreated(savedInstanceState);
        bindViews();
    mFilePath = getActivity().getExternalFilesDir(null) + "/" + Exporter.buildExportFilename(mExportFormat);
    getDialog().setTitle(R.string.title_export_dialog);
  }

  /**
   * Collects references to the UI elements and binds click listeners
   */
  private void bindViews(){    
    View v = getView();
    mDestinationSpinner = (Spinner) v.findViewById(R.id.spinner_export_destination);
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(getActivity(),
            R.array.export_destinations, android.R.layout.simple_spinner_item);    
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);    
    mDestinationSpinner.setAdapter(adapter);
    
    SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
    mExportAllCheckBox = (CheckBox) v.findViewById(R.id.checkbox_export_all);
    mExportAllCheckBox.setChecked(sharedPrefs.getBoolean(getString(R.string.key_export_all_transactions), false));
    
    mDeleteAllCheckBox = (CheckBox) v.findViewById(R.id.checkbox_post_export_delete);
    mDeleteAllCheckBox.setChecked(sharedPrefs.getBoolean(getString(R.string.key_delete_transactions_after_export), false));
    
    mSaveButton = (Button) v.findViewById(R.id.btn_save);
    mSaveButton.setText(R.string.btn_export);
    mCancelButton = (Button) v.findViewById(R.id.btn_cancel);
    
    mCancelButton.setOnClickListener(new View.OnClickListener() {
      
      @Override
      public void onClick(View v) {        
        dismiss();
      }
    });
    
    mSaveButton.setOnClickListener(new ExportClickListener());

        mExportWarningTextView = (TextView) v.findViewById(R.id.export_warning);

        String defaultExportFormat = sharedPrefs.getString(getString(R.string.key_default_export_format), ExportFormat.QIF.name());
        mExportFormat = ExportFormat.valueOf(defaultExportFormat);
        View.OnClickListener clickListener = new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                onRadioButtonClicked(view);
            }
        };

        RadioButton ofxRadioButton = (RadioButton) v.findViewById(R.id.radio_ofx_format);
        ofxRadioButton.setOnClickListener(clickListener);
        if (defaultExportFormat.equalsIgnoreCase(ExportFormat.OFX.name())) {
            ofxRadioButton.performClick();
        }

        RadioButton qifRadioButton = (RadioButton) v.findViewById(R.id.radio_qif_format);
        qifRadioButton.setOnClickListener(clickListener);
        if (defaultExportFormat.equalsIgnoreCase(ExportFormat.QIF.name())){
            qifRadioButton.performClick();
        }
  }


  /**
   * Callback for when the activity chooser dialog is completed
   */
  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    //TODO: fix the exception which is thrown on return
    if (resultCode == Activity.RESULT_OK){
      //uploading or emailing has finished. clean up now.
      File file = new File(mFilePath);
      file.delete();
    }
  }

}
Java Source Code List
