com.amfontai.cmput301asn1.WordCloud.java Source code

Introduction

Here is the source code for com.amfontai.cmput301asn1.WordCloud.java

Source

/*
 *  This is a part of amfontai Notes
 *  Copyright (C) 2013 Andrew Fontaine
 *
 *  amfontai Notes 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  amfontai Notes 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.amfontai.cmput301asn1;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.WebView;
import android.support.v4.app.NavUtils;

/**
 * The Class WordCloud represents the {@link andorid.app.Activity}
 * containing a word cloud created with {@link import org.mcavallo.opencloud}.
 * It uses a {@link android.webkit.WebView}, which is defined
 * in activity_word_cloud.xml
 */
public class WordCloud extends Activity {

    /**
     * mDb is an instance of (@link NotesDb}, which controls
     * access to the {@link android.database.SQLiteDatabase}.
     */
    private NotesDb mDb = new NotesDb(NotesDb.READ, this);

    /**
     * @see android.app.Activity#onCreate(android.os.Bundle)
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_word_cloud);
        // Show the Up button in the action bar.
        setupActionBar();
    }

    /**
     * On resuming the activity, we query the DB,
     * which uses {@link import org.mcavallo.opencloud}
     * to generate the HTML for the WebView
     * @see android.app.Activity#onResume()
     */
    protected void onResume() {
        super.onResume();

        WebView web = (WebView) findViewById(R.id.cloud);

        String html = mDb.getWordCloud();

        web.loadData(html, "text/html", null);
    }

    /**
     * Set up the {@link android.app.ActionBar}.
     */
    private void setupActionBar() {

        getActionBar().setDisplayHomeAsUpEnabled(true);

    }

    /**
     * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
     */
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.word_cloud, menu);
        return true;
    }

    /**
     * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
     */
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            // This ID represents the Home or Up button. In the case of this
            // activity, the Up button is shown. Use NavUtils to allow users
            // to navigate up one level in the application structure. For
            // more details, see the Navigation pattern on Android Design:
            //
            // http://developer.android.com/design/patterns/navigation.html#up-vs-back
            //
            NavUtils.navigateUpFromSameTask(this);
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}