PrefEditorFragment.java

package de.blau.android.prefs;

import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.Preference.OnPreferenceChangeListener;
import android.support.v7.preference.PreferenceFragmentCompat;
import android.util.Log;
import de.blau.android.App;
import de.blau.android.DebugInformation;
import de.blau.android.LicenseViewer;
import de.blau.android.R;
import de.blau.android.osm.BoundingBox;
import de.blau.android.resources.DataStyle;
import de.blau.android.resources.TileLayerServer;

/**
 * Simple class for Android's standard-Preference Activity
 * 
 * @author mb
 */
public class PrefEditorFragment extends PreferenceFragmentCompat {
	
	private static String DEBUG_TAG = PrefEditorFragment.class.getSimpleName(); 
	
	private Resources r;
	private String KEY_MAPBG;
	private String KEY_MAPOL;
	private String KEY_MAPPROFILE;
	private String KEY_ADVPREFS;
	private String KEY_LICENSE;
	private String KEY_DEBUG;
	
	private BoundingBox viewBox = null;

	@Override
	public void onCreatePreferences(Bundle arg0, String arg1) {		
		Log.d(DEBUG_TAG, "onCreatePreferences " + arg1);
		viewBox =  (BoundingBox) getArguments().getSerializable(PrefEditor.CURRENT_VIEWBOX);
		setPreferencesFromResource(R.xml.preferences, arg1); 
		r = getResources();
		KEY_MAPBG = r.getString(R.string.config_backgroundLayer_key);
		KEY_MAPOL = r.getString(R.string.config_overlayLayer_key);
		KEY_MAPPROFILE = r.getString(R.string.config_mapProfile_key);
		KEY_ADVPREFS = r.getString(R.string.config_advancedprefs_key);
		KEY_LICENSE = r.getString(R.string.config_licensebutton_key);
		KEY_DEBUG = r.getString(R.string.config_debugbutton_key);
		fixUpPrefs();
	}
	
	@Override
	public void onResume() {
		Log.d(DEBUG_TAG, "onResume");
		super.onResume();
		Log.d(DEBUG_TAG, "onResume done");
	}
	
	/** Perform initialization of the advanced preference buttons (API/Presets) */
	private void fixUpPrefs() {
		Preferences prefs = new Preferences(getActivity());
		
		// remove any problematic imagery URLs
		TileLayerServer.applyBlacklist(prefs.getServer().getCachedCapabilities().imageryBlacklist);
		
		ListPreference mapbgpref = (ListPreference) getPreferenceScreen().findPreference(KEY_MAPBG);
		String[] ids = TileLayerServer.getIds(viewBox,true);
		mapbgpref.setEntries(TileLayerServer.getNames(ids));
		mapbgpref.setEntryValues(ids);
		OnPreferenceChangeListener l = new OnPreferenceChangeListener() {
			@Override
			public boolean onPreferenceChange(Preference preference, Object newValue) {
				Log.d(DEBUG_TAG, "onPreferenceChange background");
				String id = (String)newValue;
				String[] ids = TileLayerServer.getIds(null,false); // r.getStringArray(R.array.renderer_ids);
				String[] names = TileLayerServer.getNames(ids); // r.getStringArray(R.array.renderer_names);
				for (int i = 0; i < ids.length; i++) {
					if (ids[i].equals(id)) {
						preference.setSummary(names[i]);
						break;
					}
				}
				App.getDelegator().setImageryRecorded(false);
				return true;
			}
		};
		mapbgpref.setOnPreferenceChangeListener(l);
		l.onPreferenceChange(mapbgpref, prefs.backgroundLayer());
		
		ListPreference mapolpref = (ListPreference) getPreferenceScreen().findPreference(KEY_MAPOL);
		String[] overlayIds = TileLayerServer.getOverlayIds(viewBox,true);
		mapolpref.setEntries(TileLayerServer.getOverlayNames(overlayIds));
		mapolpref.setEntryValues(overlayIds);
		OnPreferenceChangeListener ol = new OnPreferenceChangeListener() {
			@Override
			public boolean onPreferenceChange(Preference preference, Object newValue) {
				Log.d(DEBUG_TAG, "onPreferenceChange overlay");
				String id = (String)newValue;
				String[] ids = TileLayerServer.getOverlayIds(null,false); // r.getStringArray(R.array.renderer_ids);
				String[] names = TileLayerServer.getOverlayNames(ids); // r.getStringArray(R.array.renderer_names);
				for (int i = 0; i < ids.length; i++) {
					if (ids[i].equals(id)) {
						preference.setSummary(names[i]);
						break;
					}
				}
				App.getDelegator().setImageryRecorded(false);
				return true;
			}
		};
		mapolpref.setOnPreferenceChangeListener(ol);
		ol.onPreferenceChange(mapolpref, prefs.overlayLayer());
		
		ListPreference mapProfilePref = (ListPreference) getPreferenceScreen().findPreference(KEY_MAPPROFILE);
		String[] profileList = DataStyle.getStyleList(getActivity());
		mapProfilePref.setEntries(profileList);
		mapProfilePref.setEntryValues(profileList);
		OnPreferenceChangeListener p = new OnPreferenceChangeListener() {
			@Override
			public boolean onPreferenceChange(Preference preference, Object newValue) {
				Log.d(DEBUG_TAG, "onPreferenceChange mapProfile");
				String id = (String)newValue;
				String[] profileList = DataStyle.getStyleList(getActivity());
				String[] ids = profileList;
				String[] names = profileList;
				for (int i = 0; i < ids.length; i++) {
					if (ids[i].equals(id)) {
						preference.setSummary(names[i]);
						break;
					}
				}
				return true;
			}
		};
		mapProfilePref.setOnPreferenceChangeListener(p);
		p.onPreferenceChange(mapProfilePref, prefs.getMapProfile());
		
		Preference advprefs = getPreferenceScreen().findPreference(KEY_ADVPREFS);
		advprefs.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			@Override
			public boolean onPreferenceClick(Preference preference) {
				Log.d(DEBUG_TAG, "onPreferenceClick advanced");
				startActivity(new Intent(getActivity(), AdvancedPrefEditor.class));
				return true;
			}
		});
		
		Preference licensepref = getPreferenceScreen().findPreference(KEY_LICENSE);
		licensepref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			@Override
			public boolean onPreferenceClick(Preference preference) {
				Log.d(DEBUG_TAG, "onPreferenceClick licence");
				startActivity(new Intent(getActivity(), LicenseViewer.class));
				return true;
			}
		});
		
		Preference debugpref = getPreferenceScreen().findPreference(KEY_DEBUG);
		debugpref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			@Override
			public boolean onPreferenceClick(Preference preference) {
				Log.d(DEBUG_TAG, "onPreferenceClick debug");
				startActivity(new Intent(getActivity(), DebugInformation.class));
				return true;
			}
		});
	}
	
	@Override
	public void onDisplayPreferenceDialog(Preference preference) {
	    DialogFragment fragment;
	    if (preference instanceof MultiSelectListPreference) {
	        fragment = MultiSelectListPreferenceDialogFragment.newInstance(preference.getKey());
	        fragment.setTargetFragment(this, 0);
	        fragment.show(getFragmentManager(),
	                "android.support.v7.preference.PreferenceFragment.MULTISELECTLIST");
	    } else super.onDisplayPreferenceDialog(preference);
	}
}