Android Open Source - Langleo Edit Collection

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License

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

package com.atteo.langleo_trial.activities;
// ww w  .j  a  va  2 s .c om
import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.TextView;

import com.atteo.langleo_trial.Langleo;
import com.atteo.langleo_trial.R;
import com.atteo.langleo_trial.models.Collection;
import com.atteo.langleo_trial.models.Language;

public class EditCollection extends Activity {
  private Collection collection;

  private Language selectedBaseLanguage;
  private Language selectedTargetLanguage;

  private String[] languageStrings;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.edit_collection);
    Bundle bundle = getIntent().getBundleExtra("collection");
    collection = new Collection();
    collection.loadBundle(bundle);
    collection.load();

    Button button = (Button) findViewById(R.id.edit_collection_cancel);
    button.setOnClickListener(new OnClickListener() {
      public void onClick(View view) {
        cancelCollection();
      }
    });
    button = (Button) findViewById(R.id.edit_collection_ok);
    button.setOnClickListener(new OnClickListener() {
      public void onClick(View view) {
        returnCollection();
      }
    });

    EditText et_name = (EditText) findViewById(R.id.edit_collection_name);
    et_name.setText(collection.getName());

    SeekBar e = (SeekBar) findViewById(R.id.edit_collection_priority);
    e.setProgress(collection.getPriority() - 1);

    CheckBox cb_disabled = (CheckBox) findViewById(R.id.edit_collection_disabled);
    cb_disabled.setChecked(collection.getDisabled());

    cb_disabled.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        updateNewWords();
      }

    });

    if (savedInstanceState != null) {
      Bundle b = savedInstanceState.getBundle("selectedBaseLanguage");
      selectedBaseLanguage = new Language();
      selectedBaseLanguage.loadBundle(b);
      b = savedInstanceState.getBundle("selectedTargetLanguage");
      selectedTargetLanguage = new Language();
      selectedTargetLanguage.loadBundle(b);
    } else {
      selectedBaseLanguage = collection.getBaseLanguage();
      selectedTargetLanguage = collection.getTargetLanguage();
    }

    updateNewWords();

    updateBaseLanguage();
    updateTargetLanguage();

    ArrayList<Language> languages = Langleo.getLanguages();
    ArrayList<String> strings = new ArrayList<String>();
    int len = languages.size();
    for (int i = 0; i < len; i++) {
      strings.add(languages.get(i).getName());
    }
    languageStrings = strings.toArray(new String[len]);

    Button btn_change = (Button) findViewById(R.id.edit_collection_change_base_language);
    btn_change.setOnClickListener(new OnClickListener() {

      public void onClick(View v) {
        AlertDialog.Builder builder = new AlertDialog.Builder(
            EditCollection.this);
        builder.setTitle(R.string.select_language);
        builder.setItems(languageStrings,
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int item) {
                selectedBaseLanguage = Langleo.getLanguages()
                    .get(item);
                updateBaseLanguage();
              }
            });
        AlertDialog alert = builder.create();
        alert.show();

      }

    });

    btn_change = (Button) findViewById(R.id.edit_collection_change_target_language);
    btn_change.setOnClickListener(new OnClickListener() {

      public void onClick(View v) {
        AlertDialog.Builder builder = new AlertDialog.Builder(
            EditCollection.this);
        builder.setTitle(R.string.select_language);
        builder.setItems(languageStrings,
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int item) {
                selectedTargetLanguage = Langleo.getLanguages()
                    .get(item);
                updateTargetLanguage();
              }
            });
        AlertDialog alert = builder.create();
        alert.show();

      }

    });
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.edit_collection, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem menuItem) {
    switch (menuItem.getItemId()) {
    case R.id.edit_collection_help:
      showHelp();
      break;
    }
    return true;
  }

  private void showHelp() {
    Intent intent = new Intent(this, Help.class);
    intent.putExtra("part", "edit_collection");
    startActivity(intent);
  }

  private void updateNewWords() {
    CheckBox cb_enabled = (CheckBox) findViewById(R.id.edit_collection_disabled);
    SeekBar e = (SeekBar) findViewById(R.id.edit_collection_priority);
    TextView tv_enabled_title = (TextView) findViewById(R.id.edit_collection_max_new_words_title);
    if (cb_enabled.isChecked()) {
      e.setEnabled(false);
      e.setFocusable(false);
      tv_enabled_title.setEnabled(false);
    } else {
      e.setEnabled(true);
      e.setFocusableInTouchMode(true);
      tv_enabled_title.setEnabled(true);
    }
  }

  private void updateBaseLanguage() {
    selectedBaseLanguage.load();
    ImageView iv = (ImageView) findViewById(R.id.edit_collection_base_language_image);
    iv.setImageDrawable(getResources().getDrawable(
        getResources().getIdentifier(
            "flag_" + selectedBaseLanguage.getName().toLowerCase(),
            "drawable", Langleo.PACKAGE)));
    TextView tv = (TextView) findViewById(R.id.edit_collection_base_language_name);
    tv.setText(selectedBaseLanguage.getName());
  }

  private void updateTargetLanguage() {
    selectedTargetLanguage.load();
    ImageView iv = (ImageView) findViewById(R.id.edit_collection_target_language_image);
    iv.setImageDrawable(getResources().getDrawable(
        getResources().getIdentifier(
            "flag_"
                + selectedTargetLanguage.getName()
                    .toLowerCase(), "drawable",
            Langleo.PACKAGE)));
    TextView tv = (TextView) findViewById(R.id.edit_collection_target_language_name);
    tv.setText(selectedTargetLanguage.getName());
  }

  private void returnCollection() {
    Intent intent = new Intent();
    EditText et_name = (EditText) findViewById(R.id.edit_collection_name);
    String name = et_name.getText().toString().trim();
    collection.setName(name);
    CheckBox cb_disabled = (CheckBox) findViewById(R.id.edit_collection_disabled);
    collection.setDisabled(cb_disabled.isChecked());
    SeekBar e = (SeekBar) findViewById(R.id.edit_collection_priority);
    collection.setPriority(e.getProgress() + 1);
    collection.setBaseLanguage(selectedBaseLanguage);
    collection.setTargetLanguage(selectedTargetLanguage);
    intent.putExtra("collection", collection.toBundle());

    setResult(RESULT_OK, intent);
    finish();
  }

  @Override
  protected void onSaveInstanceState(Bundle bundle) {
    super.onSaveInstanceState(bundle);
    bundle.putBundle("selectedBaseLanguage", selectedBaseLanguage
        .toBundle());
    bundle.putBundle("selectedTargetLanguage", selectedTargetLanguage
        .toBundle());
  }

  private void cancelCollection() {
    setResult(RESULT_CANCELED, null);
    finish();
  }
}
Java Source Code List
