net.willwebberley.gowertides.ui.PrferencesActivity.java Source code

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Here is the source code for net.willwebberley.gowertides.ui.PrferencesActivity.java

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/*
Copyright 2013 Will Webberley.
    
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
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.
    
The full text of the License is available in the root of this
project repository.
*/

package net.willwebberley.gowertides.ui;

import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.view.Menu;
import android.view.MenuItem;
import android.support.v4.app.NavUtils;
import net.willwebberley.gowertides.R;

public class PrferencesActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.layout.preferences);
        getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
        onSharedPreferenceChanged(PreferenceManager.getDefaultSharedPreferences(getApplicationContext()), "");
    }

    public void onSharedPreferenceChanged(SharedPreferences arg0, String arg1) {
        CheckBoxPreference timeBox = (CheckBoxPreference) getPreferenceScreen().findPreference("show_graph_time");
        CheckBoxPreference sunriseSunsetBox = (CheckBoxPreference) getPreferenceScreen()
                .findPreference("show_graph_sunrise_sunset");
        ListPreference metric = (ListPreference) getPreferenceScreen().findPreference("unitFormat");
        CheckBoxPreference timerBox = (CheckBoxPreference) getPreferenceScreen()
                .findPreference("show_sunset_timer");

        if (!arg0.getBoolean("show_graph", true)) {
            timeBox.setEnabled(false);
            sunriseSunsetBox.setEnabled(false);
        } else {
            timeBox.setEnabled(true);
            sunriseSunsetBox.setEnabled(true);
        }

        if (arg0.getString("unitFormat", "true").equals("true")) {
            metric.setSummary("Display weather units in metric (km/h, Celcius).");
        } else {
            metric.setSummary("Display weather units in imperial (mph, Faranheit).");
        }

        if (!arg0.getBoolean("show_sunrise_sunset", true)) {
            timerBox.setEnabled(false);
        } else {
            timerBox.setEnabled(true);
        }

    }
}