net.olejon.spotcommander.WidgetActivity.java Source code

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Here is the source code for net.olejon.spotcommander.WidgetActivity.java

Source

package net.olejon.spotcommander;

/*
    
Copyright 2016 Ole Jon Bjrkum
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.
    
*/

import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.widget.SimpleCursorAdapter;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;

public class WidgetActivity extends AppCompatActivity {
    private final Context mContext = this;

    private final MyTools mTools = new MyTools(mContext);

    private SQLiteDatabase mDatabase;
    private Cursor mCursor;

    private ListView mListView;

    private int mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;

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

        // Settings
        PreferenceManager.setDefaultValues(mContext, R.xml.settings, false);

        // Allow landscape?
        if (!mTools.allowLandscape())
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

        // Database
        mDatabase = new MainSQLiteHelper(mContext).getReadableDatabase();

        // Intent
        setResult(RESULT_CANCELED);

        final Intent intent = getIntent();

        if (intent.getExtras() != null)
            mAppWidgetId = intent.getExtras().getInt(AppWidgetManager.EXTRA_APPWIDGET_ID,
                    AppWidgetManager.INVALID_APPWIDGET_ID);

        if (mAppWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID)
            finish();

        // Layout
        setContentView(R.layout.activity_widget);

        // Toolbar
        final Toolbar toolbar = (Toolbar) findViewById(R.id.widget_toolbar);
        toolbar.setNavigationIcon(R.drawable.ic_close_white_24dp);
        toolbar.setTitle(getString(R.string.widget_title));

        setSupportActionBar(toolbar);

        // Listview
        mListView = (ListView) findViewById(R.id.widget_list);

        final View listViewHeader = getLayoutInflater().inflate(R.layout.activity_main_subheader, mListView, false);
        mListView.addHeaderView(listViewHeader, null, false);

        final View listViewEmpty = findViewById(R.id.widget_empty);
        mListView.setEmptyView(listViewEmpty);

        mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                mTools.setSharedPreferencesLong("WIDGET_" + mAppWidgetId + "_COMPUTER_ID", id);

                Intent result = new Intent();
                result.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
                setResult(RESULT_OK, result);

                finish();
            }
        });

        listComputers();
    }

    // Menu
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home: {
            finish();
            return true;
        }
        default: {
            return super.onOptionsItemSelected(item);
        }
        }
    }

    // Destroy activity
    @Override
    protected void onDestroy() {
        super.onDestroy();

        if (mCursor != null && !mCursor.isClosed())
            mCursor.close();
        if (mDatabase != null && mDatabase.isOpen())
            mDatabase.close();
    }

    // Computers
    private void listComputers() {
        final String[] queryColumns = { MainSQLiteHelper.COLUMN_ID, MainSQLiteHelper.COLUMN_NAME };
        mCursor = mDatabase.query(MainSQLiteHelper.TABLE_COMPUTERS, queryColumns, null, null, null, null,
                MainSQLiteHelper.COLUMN_NAME + " COLLATE NOCASE");

        final String[] fromColumns = { MainSQLiteHelper.COLUMN_NAME };
        final int[] toViews = { R.id.main_list_item };

        mListView.setAdapter(new SimpleCursorAdapter(mContext, R.layout.activity_main_list_item, mCursor,
                fromColumns, toViews, 0));
    }
}