package com.malaspina.dashclocktimezone;


import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Build;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.support.v7.app.ActionBar;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.util.Log;

import java.util.List;

/**
 * A {@link PreferenceActivity} that presents a set of application settings. On
 * handset devices, settings are presented as a single list. On tablets,
 * settings are split by category, with category headers shown to the left of
 * the list of settings.
 * <p/>
 * See <a href="http://developer.android.com/design/patterns/settings.html">
 * Android Design: Settings</a> for design guidelines and the <a
 * href="http://developer.android.com/guide/topics/ui/settings.html">Settings
 * API Guide</a> for more information on developing a Settings UI.
 */
public class SettingsActivity extends AppCompatPreferenceActivity {
    /**
     * A preference value change listener that updates the preference's summary
     * to reflect its new value.
     */
    private static Preference.OnPreferenceChangeListener sBindPreferenceSummaryToValueListener = new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object value) {
            String stringValue = value.toString();

            if (preference instanceof ListPreference) {
                // Get selected position to set summary
                ListPreference tempListPreference = (ListPreference) preference;
                int index = tempListPreference.findIndexOfValue(stringValue);
                preference.setSummary(tempListPreference.getEntries()[index]);
            } else {
                // Set summary for all other preferences
                preference.setSummary(stringValue);
            }

            return true;
        }
    };

    /**
     * Helper method to determine if the device has an extra-large screen. For
     * example, 10" tablets are extra-large.
     */
    private static boolean isXLargeTablet(Context context) {
        return (context.getResources().getConfiguration().screenLayout
                & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_XLARGE;
    }

    /**
     * Binds a preference's summary to its value. More specifically, when the
     * preference's value is changed, its summary (line of text below the
     * preference title) is updated to reflect the value. The summary is also
     * immediately updated upon calling this method. The exact display format is
     * dependent on the type of preference.
     *
     * @see #sBindPreferenceSummaryToValueListener
     */
    private static void bindPreferenceSummaryToValue(Preference preference, String default_value) {
        // Set the listener to watch for value changes.
        preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);

        // Trigger the listener immediately with the preference's
        // current value.
        sBindPreferenceSummaryToValueListener.onPreferenceChange(preference,
                PreferenceManager
                        .getDefaultSharedPreferences(preference.getContext())
                        .getString(preference.getKey(), default_value));
    }

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

    /**
     * Set up the {@link android.app.ActionBar}, if the API is available.
     */
    private void setupActionBar() {
        ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            // Show the Up button in the action bar.
            actionBar.setDisplayHomeAsUpEnabled(true);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean onIsMultiPane() {
        return isXLargeTablet(this);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public void onBuildHeaders(List<Header> target) {
        loadHeadersFromResource(R.xml.pref_headers, target);
    }

    /**
     * This method stops fragment injection in malicious applications.
     * Make sure to deny any unknown fragments here.
     */
    protected boolean isValidFragment(String fragmentName) {
        return PreferenceFragment.class.getName().equals(fragmentName)
                || SettingsFragment1.class.getName().equals(fragmentName)
                || SettingsFragment2.class.getName().equals(fragmentName)
                || SettingsFragment3.class.getName().equals(fragmentName);
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static class BaseSettingsFragment extends PreferenceFragment {

        private String timezone_key;
        private String hour_format;
        private int prefs_xml;

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            addPreferencesFromResource(getPrefs_xml());

            Log.i("BaseSettings key", getTimezone_key());
            bindPreferenceSummaryToValue(findPreference(getTimezone_key()),
                    getString(R.string.default_timezone));
            bindPreferenceSummaryToValue(findPreference(getHour_format()),
                    getString(R.string.default_hour_format));
        }

        public String getTimezone_key() {
            return timezone_key;
        }

        public void setTimezone_key(String timezone_key) {
            this.timezone_key = timezone_key;
        }

        public int getPrefs_xml() {
            return prefs_xml;
        }

        public void setPrefs_xml(int prefs_xml) {
            this.prefs_xml = prefs_xml;
        }

        public String getHour_format() {
            return hour_format;
        }

        public void setHour_format(String hour_format) {
            this.hour_format = hour_format;
        }
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static class SettingsFragment1 extends BaseSettingsFragment {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            setTimezone_key(getString(R.string.prefs_select_timezone_key_1));
            setHour_format(getString(R.string.prefs_12_or_24_key_1));
            setPrefs_xml(R.xml.pref_base_1);
            super.onCreate(savedInstanceState);
        }
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static class SettingsFragment2 extends BaseSettingsFragment {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            setTimezone_key(getString(R.string.prefs_select_timezone_key_2));
            setHour_format(getString(R.string.prefs_12_or_24_key_2));
            setPrefs_xml(R.xml.pref_base_2);
            super.onCreate(savedInstanceState);
        }
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static class SettingsFragment3 extends BaseSettingsFragment {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            setTimezone_key(getString(R.string.prefs_select_timezone_key_3));
            setHour_format(getString(R.string.prefs_12_or_24_key_3));
            setPrefs_xml(R.xml.pref_base_3);
            super.onCreate(savedInstanceState);
        }
    }
}

@@ -480,16 +480,46 @@
 til.Log;
+%0Aimport android.view.MenuItem;
 %0A%0Aimport
@@ -6643,32 +6643,356 @@
 tate);%0A        %7D
+%0A%0A        @Override%0A        public boolean onOptionsItemSelected(MenuItem item) %7B%0A            switch (item.getItemId()) %7B%0A                case android.R.id.home:%0A                    // TODO: close fragment automatically%0A                    break;%0A            %7D%0A            return super.onOptionsItemSelected(item);%0A        %7D
 %0A    %7D%0A%0A    @Tar

Add TODO for up button