org.firebears.scouting2846.BrowseActivity.java Source code

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Here is the source code for org.firebears.scouting2846.BrowseActivity.java

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/*
 * Copyright  2017-2019  Douglas P Lau
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
package org.firebears.scouting2846;

import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.app.LoaderManager;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.MenuItem;
import java.util.ArrayList;
import static org.firebears.scouting2846.ScoutingRec.REC;

/**
 * Browsing activity.
 */
public class BrowseActivity extends AppCompatActivity {

    static private final String TAG = "BrowseActivity";

    /** Scouting loader ID */
    static private final int SCOUTING_LOADER_ID = 51;

    /** Default arguments */
    private final Bundle def_args = new Bundle();

    /** Arguments for observations */
    private final ArrayList<Bundle> observations = new ArrayList<Bundle>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_browse);
        addLoaderCallbacks(new ParamLoaderHelper(this) {
            protected void onLoaded(Cursor c) {
                onParamLoaded(c);
            }
        });
        addLoaderCallbacks(new TeamLoaderHelper(this) {
            protected void onLoaded(Cursor c) {
                onTeamLoaded(c);
            }
        });
    }

    private void addLoaderCallbacks(LoaderHelper helper) {
        LoaderManager lm = getSupportLoaderManager();
        lm.initLoader(helper.getId(), createArguments(), helper);
    }

    private void onParamLoaded(Cursor c) {
        int ni = c.getColumnIndex(Param.COL_NAME);
        int vi = c.getColumnIndex(Param.COL_VALUE);
        while (c.moveToNext()) {
            String n = c.getString(ni);
            int v = c.getInt(vi);
            Log.d(TAG, n + ": " + v);
            if (Param.ROW_SCOUTER.equals(n))
                def_args.putInt(BrowseFragment.THIS_SCOUTER, v);
        }
    }

    private void onTeamLoaded(Cursor c) {
        int num = c.getInt(c.getColumnIndex(Team.COL_TEAM_NUMBER));
        String nick = c.getString(c.getColumnIndex(Team.COL_NICKNAME));
        Log.d(TAG, "team " + num + " " + nick);
        def_args.putInt(Team.COL_TEAM_NUMBER, num);
        def_args.putString(Team.COL_NICKNAME, nick);
        LoaderManager lm = getSupportLoaderManager();
        lm.initLoader(SCOUTING_LOADER_ID, null, cb);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (android.R.id.home == item.getItemId()) {
            onBackPressed();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private int getTeamNumber() {
        return getIntent().getIntExtra(Team.COL_TEAM_NUMBER, 0);
    }

    private Bundle createArguments() {
        Bundle b = new Bundle();
        b.putInt(Team.COL_TEAM_NUMBER, getTeamNumber());
        return b;
    }

    /** Callbacks for loader */
    private final LoaderCallbacks<Cursor> cb = new LoaderCallbacks<Cursor>() {
        @Override
        public Loader<Cursor> onCreateLoader(int id, Bundle b) {
            return (SCOUTING_LOADER_ID == id) ? createLoader() : null;
        }

        @Override
        public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
            while (c.moveToNext()) {
                Bundle b = new Bundle(def_args);
                REC.updateBundle(b, c);
                Log.d(TAG, "match " + b.getString(REC.COL_MATCH_KEY));
                observations.add(b);
            }
            // FIXME: if no observations, use blank fragment
            ViewPager vp = (ViewPager) findViewById(R.id.pager);
            vp.setAdapter(new ScoutingPagerAdapter());
        }

        @Override
        public void onLoaderReset(Loader<Cursor> loader) {
        }
    };

    /** Create a loader for scouting details */
    private Loader<Cursor> createLoader() {
        String where = getWhere();
        return new CursorLoader(this, REC.getContentUri(), REC.getCols(), where, null,
                REC.COL_MATCH_KEY + ',' + REC._ID);
    }

    private String getWhere() {
        return REC.COL_TEAM_NUMBER + "=" + getTeamNumber();
    }

    private class ScoutingPagerAdapter extends FragmentStatePagerAdapter {

        private ScoutingPagerAdapter() {
            super(getSupportFragmentManager());
        }

        @Override
        public Fragment getItem(int pos) {
            Fragment f = new BrowseFragment();
            f.setArguments(observations.get(pos));
            return f;
        }

        @Override
        public int getCount() {
            return observations.size();
        }

        @Override
        public CharSequence getPageTitle(int pos) {
            Bundle b = observations.get(pos);
            String m = b.getString(REC.COL_MATCH_KEY);
            if ("".equals(m))
                return getString(R.string.pit);
            else
                return m;
        }
    }
}