GistEditorActivity.java

package com.alorma.github.ui.activity.gists;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.ViewCompat;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import com.afollestad.materialdialogs.MaterialDialog;
import com.alorma.github.R;
import com.alorma.github.sdk.bean.dto.response.GistFile;
import com.alorma.github.ui.activity.LanguagesActivity;
import com.alorma.github.ui.activity.base.BackActivity;
import com.alorma.github.ui.utils.DialogUtils;

/**
 * Created by Bernat on 03/04/2015.
 */
public class GistEditorActivity extends BackActivity {

  public static final String EXTRA_FILE = "EXTRA_FILE";
  private static final String EXTRA_LANGUAGE = "EXTRA_LANGUAGE";
  private static final int LANGUAGE_REQUEST = 854;

  private EditText editTitle;
  private EditText editText;
  private String currentLanguage;
  private Button buttonLanguages;

  public static Intent createLauncherIntent(Context context, Bundle extras) {
    Intent intent = new Intent(context, GistEditorActivity.class);
    if (extras != null) {
      intent.putExtras(extras);
    }
    return intent;
  }

  public static Intent createLauncherIntent(Context context, GistFile file) {
    Bundle bundle = new Bundle();
    bundle.putString(Intent.EXTRA_TITLE, file.filename);
    bundle.putString(Intent.EXTRA_TEXT, file.content);
    if (file.language != null) {
      bundle.putString(EXTRA_LANGUAGE, file.language);
    }
    return createLauncherIntent(context, bundle);
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.editor_fragment);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    ViewCompat.setElevation(toolbar, getResources().getDimension(R.dimen.gapSmall));

    editTitle = (EditText) findViewById(R.id.editTitle);
    editText = (EditText) findViewById(R.id.editText);
    buttonLanguages = (Button) findViewById(R.id.buttonLanguages);

    String title = null;
    String text = null;

    if (getIntent().getExtras() != null) {
      title = getIntent().getExtras().getString(Intent.EXTRA_TITLE);
      text = getIntent().getExtras().getString(Intent.EXTRA_TEXT);
      currentLanguage = getIntent().getExtras().getString(EXTRA_LANGUAGE);
    }

    editTitle.setText(title);
    editText.setText(text);
    if (currentLanguage != null) {
      buttonLanguages.setText(currentLanguage);
    }

    buttonLanguages.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View view) {
        Intent intent = new Intent(view.getContext(), LanguagesActivity.class);
        startActivityForResult(intent, LANGUAGE_REQUEST);
      }
    });
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    getMenuInflater().inflate(R.menu.gist_editor_activity, menu);

    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case android.R.id.home:
        String filename = editTitle.getText().toString();
        String content = editText.getText().toString();

        if (!TextUtils.isEmpty(filename) || !TextUtils.isEmpty(content)) {
          showDialogCancelFile();
        } else {
          finish();
        }
        break;
      case R.id.gist_editor_add_file_action:
        endGistFile();
        break;
    }
    return true;
  }

  private void showDialogCancelFile() {
    MaterialDialog.Builder builder = new DialogUtils().builder(this);
    builder.content(R.string.gist_file_editor_cancel_job);
    builder.positiveText(R.string.ok);
    builder.negativeText(R.string.cancel);
    builder.neutralText(R.string.gist_editor_add_file_action);
    builder.callback(new MaterialDialog.ButtonCallback() {
      @Override
      public void onPositive(MaterialDialog dialog) {
        super.onPositive(dialog);
        finish();
      }

      @Override
      public void onNeutral(MaterialDialog dialog) {
        super.onNeutral(dialog);
        endGistFile();
      }
    });
    dialog = builder.show();
  }

  private void endGistFile() {
    GistFile file = new GistFile();
    file.type = "text/plain";
    file.filename = editTitle.getText().toString();
    file.content = editText.getText().toString();
    file.language = currentLanguage;

    Intent data = new Intent();
    data.putExtra(EXTRA_FILE, file);
    setResult(RESULT_OK, data);
    finish();
  }

  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (data != null && requestCode == LANGUAGE_REQUEST && resultCode == Activity.RESULT_OK) {
      currentLanguage = data.getStringExtra(LanguagesActivity.EXTRA_LANGUAGE);

      buttonLanguages.setText(currentLanguage);
    }
  }
}