Android Open Source - AndroidShoppingList List Item Edit

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License

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

/**
 * Copyright 2012 C. A. Fitzgerald//from w w  w  .j ava  2s  .  c  om
 *
 *  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 com.github.riotopsys.shoppinglist.activity;

import java.sql.SQLException;
import java.util.UUID;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import android.widget.Toast;

import com.github.riotopsys.shoppinglist.AppKeys;
import com.github.riotopsys.shoppinglist.R;
import com.github.riotopsys.shoppinglist.model.DatabaseHelper;
import com.github.riotopsys.shoppinglist.model.ShoppingList;
import com.github.riotopsys.shoppinglist.model.ShoppingListItem;
import com.j256.ormlite.android.apptools.OpenHelperManager;

public class ListItemEdit extends Activity implements OnClickListener, OnEditorActionListener {

  private ShoppingListItem mItem;
  private ShoppingList mList;
  private TextView mEditName;
  private TextView mEditQty;

  private boolean mEditMode;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_list_item_edit);
    getActionBar().setDisplayHomeAsUpEnabled(true);

    UUID uuidList = (UUID) getIntent().getSerializableExtra(AppKeys.LIST_KEY);
    DatabaseHelper databaseHelper = OpenHelperManager.getHelper(this, DatabaseHelper.class);
    try {
      mList = databaseHelper.getShoppingList(uuidList);

      mEditName = (TextView) findViewById(R.id.edit_name);
      mEditQty = (TextView) findViewById(R.id.edit_qty);

      mEditQty.setOnEditorActionListener(this);

      findViewById(R.id.button_cancel).setOnClickListener(this);
      findViewById(R.id.button_done).setOnClickListener(this);

      mEditMode = getIntent().hasExtra(AppKeys.LIST_ITEM_KEY);

      if (mEditMode) {
        UUID uuidItem = (UUID) getIntent().getSerializableExtra(AppKeys.LIST_ITEM_KEY);
        mItem = databaseHelper.getShoppingListItem(uuidItem);

        mEditName.setText(mItem.getName());
        mEditQty.setText(Integer.toString(mItem.getQuantity()));
      }

    } catch (SQLException e) {
      throw new RuntimeException(e);
    } finally {
      OpenHelperManager.releaseHelper();
    }

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    if (mEditMode) {
      getMenuInflater().inflate(R.menu.activity_list_item_edit, menu);
    }
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case android.R.id.home:
        NavUtils.navigateUpFromSameTask(this);
        return true;
      case R.id.menu_delete:
        mList.removeItem(this, mItem);
        NavUtils.navigateUpFromSameTask(this);
        return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
      case R.id.button_cancel:
        finish();
        break;
      case R.id.button_done:
        makeChange(v);
        break;
    }

  }

  @Override
  public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
    if (actionId == EditorInfo.IME_ACTION_DONE) {
      makeChange(v);
      return true;
    }
    return false;
  }

  private void makeChange(View v) {
    String name = mEditName.getText().toString();
    if (!name.equals("")) {
      if (!mEditMode) {
        mItem = mList.createItem(this);
      }

      mItem.setName(v.getContext(), name);
      try {
        mItem.setQuantity(v.getContext(), Integer.parseInt(mEditQty.getText().toString()));
      } catch (NumberFormatException e) {
        mItem.setQuantity(v.getContext(), 1);
      }
      finish();
    } else {
      Toast.makeText(getBaseContext(), R.string.name_reqd, Toast.LENGTH_SHORT).show();
    }
  }

}
Java Source Code List
