pl.reticular.br.SimulationActivity.java Source code

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Here is the source code for pl.reticular.br.SimulationActivity.java

Source

package pl.reticular.br;

/*
 * Copyright (C) 2016 Piotr Jankowski
 *
 * This file is part of Borromean Rings.
 *
 * Borromean Rings 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.
 *
 * Borromean Rings 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 Borromean Rings. If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.widget.FrameLayout;

import pl.reticular.br.dialogs.FreezeRingsDialog;
import pl.reticular.br.dialogs.LineWidthDialog;
import pl.reticular.br.dialogs.SegmentNumberDialog;
import pl.reticular.br.engine.SimulationView;
import pl.reticular.br.model.ChainColor;
import pl.reticular.br.model.Simulation;
import pl.reticular.br.utils.PrefsHelper;
import pl.reticular.br.utils.Setting;

public class SimulationActivity extends AppCompatActivity
        implements SharedPreferences.OnSharedPreferenceChangeListener, FreezeRingsDialog.OnRingClickedListener {

    private SimulationView simulationView;

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

        setContentView(R.layout.simulation_layout);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_simulation);
        setSupportActionBar(toolbar);

        FrameLayout frameLayout = (FrameLayout) findViewById(R.id.simulation_container);

        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.MATCH_PARENT, Gravity.CENTER);

        PrefsHelper.getInstance().init(this);

        Simulation simulation;

        Simulation oldSimulation = PrefsHelper.getInstance().loadOldSimulation();
        if (oldSimulation != null) {
            simulation = oldSimulation;
        } else {
            simulation = createNewSimulation();
        }

        simulationView = new SimulationView(this, simulation);

        if (frameLayout != null) {
            frameLayout.addView(simulationView, params);
        }

        setLineWidth(PrefsHelper.getInstance().getLineWidth());
    }

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

    @Override
    protected void onStart() {
        super.onStart();

        PrefsHelper.getInstance().getPrefs().registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    protected void onStop() {
        super.onStop();

        PrefsHelper.getInstance().getPrefs().unregisterOnSharedPreferenceChangeListener(this);

        PrefsHelper.getInstance().saveSimulation(simulationView.getRenderer().getSimulation());
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.action_line_width:
            showLineWidthDialog();
            break;
        case R.id.action_segment_number:
            showSegmentNumberDialog();
            break;
        case R.id.action_freeze_chains:
            showFreezeChainsDialog();
            break;
        case R.id.action_reset:
            resetSimulation();
            break;
        case R.id.action_about:
            showAbout();
            break;
        case android.R.id.home:
            onBackPressed();
            break;
        default:
            break;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
        switch (Setting.valueOf(key)) {
        case LineWidth:
            setLineWidth(PrefsHelper.getInstance().getLineWidth());
            break;
        case SegmentsNumber:
            resetSimulation();
            break;
        default:
            break;
        }
    }

    private void showLineWidthDialog() {
        DialogFragment dialog = new LineWidthDialog();
        dialog.show(getSupportFragmentManager(), "LineWidthDialog");
    }

    private void showSegmentNumberDialog() {
        DialogFragment dialog = new SegmentNumberDialog();
        dialog.show(getSupportFragmentManager(), "SegmentNumberDialog");
    }

    private void showFreezeChainsDialog() {
        FreezeRingsDialog dialog = new FreezeRingsDialog();
        dialog.setListener(this);
        dialog.setFrozen(simulationView.getRenderer().getSimulation().getFrozenChains());
        dialog.show(getSupportFragmentManager(), "FreezeRingsDialog");
    }

    private void showAbout() {
        Intent intent = new Intent(this, AboutActivity.class);
        startActivity(intent);
    }

    private void setLineWidth(int width) {
        simulationView.getRenderer().setLineWidth(width + 1);
    }

    private Simulation createNewSimulation() {
        return new Simulation(PrefsHelper.getInstance().getSegmentNumber());
    }

    private void resetSimulation() {
        Simulation simulation = createNewSimulation();
        simulationView.getRenderer().setSimulation(simulation);
    }

    @Override
    public void onRingClicked(ChainColor color, boolean checked) {
        simulationView.getRenderer().setFrozenChain(color, checked);
    }
}