GeocoderEditorActivity.java

package de.blau.android.prefs;

import java.util.List;
import java.util.Map.Entry;

import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AlertDialog;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;
import de.blau.android.R;
import de.blau.android.prefs.AdvancedPrefDatabase.Geocoder;
import de.blau.android.prefs.AdvancedPrefDatabase.GeocoderType;
import de.blau.android.util.Snack;
import de.blau.android.util.ThemeUtils;

/** Provides an activity for editing the API list */
public class GeocoderEditorActivity extends URLListEditActivity {

	private AdvancedPrefDatabase db;
	
	public GeocoderEditorActivity() {
		super();
	}
	
	public static void start(@NonNull Context context) {
		Intent intent = new Intent(context, GeocoderEditorActivity.class);
		context.startActivity(intent);
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		Preferences prefs = new Preferences(this);
		if (prefs.lightThemeEnabled()) {
			setTheme(R.style.Theme_customLight);
		}
		db = new AdvancedPrefDatabase(this);
		super.onCreate(savedInstanceState);
	}
	
	@Override
	protected int getAddTextResId() {
		return R.string.urldialog_add_geocoder;
	}
	
	@Override
	protected void onLoadList(List<ListEditItem> items) {
		Geocoder[] geocoders = db.getGeocoders();
		for (Geocoder geocoder : geocoders) {
			items.add(new ListEditItem(geocoder.id, geocoder.name, geocoder.type.toString(), geocoder.url, null, false, geocoder.active));
		}
	}

	@Override
	protected void onItemClicked(ListEditItem item) {
		if (item.active && db.getActiveGeocoders().length == 1) { // at least one item needs to be selected
			updateAdapter();
			Snack.barWarning(this, R.string.toast_min_one_geocoder);
			return;
		}
		item.active = !item.active;
		db.setGeocoderState(item.id, item.active);
	}

	@Override
	protected void onItemCreated(ListEditItem item) {
		db.addGeocoder(item.id, item.name, GeocoderType.valueOf(item.value), 0, item.value_2, item.active);
	}

	@Override
	protected void onItemEdited(ListEditItem item) {
		db.updateGeocoder(item.id, item.name, GeocoderType.valueOf(item.value), 0, item.value_2, item.enabled);
	}

	@Override
	protected void onItemDeleted(ListEditItem item) {
		db.deleteGeocoder(item.id);
	}
	
	@Override
	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
		AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
		selectedItem = (ListEditItem)getListView().getItemAtPosition(info.position);
		if (selectedItem != null ) {
			menu.add(Menu.NONE, MENUITEM_EDIT, Menu.NONE, r.getString(R.string.edit)).setOnMenuItemClickListener(this);
			if (db.getActiveGeocoders().length > 1) {
				menu.add(Menu.NONE, MENUITEM_DELETE, Menu.NONE, r.getString(R.string.delete)).setOnMenuItemClickListener(this);
				for (Entry<Integer, Integer> entry : additionalMenuItems.entrySet() ) {
					menu.add(Menu.NONE, entry.getKey() + MENUITEM_ADDITIONAL_OFFSET, Menu.NONE,	r.getString(entry.getValue()))
						.setOnMenuItemClickListener(this);
				}
			}
		}
	}
	
 	/**
 	 * Opens the dialog to edit an item
 	 * @param item the selected item
 	 */
	@Override
	protected void itemEditDialog(final ListEditItem item) {
		final AlertDialog.Builder builder = new AlertDialog.Builder(ctx);
		final LayoutInflater inflater = ThemeUtils.getLayoutInflater(ctx);
		final View mainView = inflater.inflate(R.layout.listedit_geocoderedit, null);
		final TextView editName = (TextView)mainView.findViewById(R.id.listedit_editName);
		final Spinner geocoderType = (Spinner)mainView.findViewById(R.id.geocoder_type);
		final TextView url = (TextView)mainView.findViewById(R.id.listedit_editValue_2);
		
    	GeocoderType[] geocoderTypes = GeocoderType.values() ;
    	ArrayAdapter<GeocoderType> adapter = new ArrayAdapter<GeocoderType>(
    		    this, android.R.layout.simple_spinner_item, geocoderTypes);
    	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    	geocoderType.setAdapter(adapter);   
    	
		if (item != null) {
			editName.setText(item.name);
		   	geocoderType.setSelection((GeocoderType.valueOf(item.value)).ordinal());
			url.setText(item.value_2);
		
			if (item.id.equals(LISTITEM_ID_DEFAULT)) {
				// name and value are not editable
				editName.setEnabled(false);
				geocoderType.setEnabled(false);
				url.setEnabled(false);
			}
		}
		
		builder.setView(mainView);

		builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int whichButton) {
				String name = editName.getText().toString();
				String value = ((GeocoderType)geocoderType.getSelectedItem()).name();
				String value_2 = url.getText().toString();
				
				if (item == null) {
					// new item
					if (!"".equals(value)) {
						finishCreateItem(new ListEditItem(name, value, !"".equals(value_2)?value_2:null,null,false));
					}
				} else {
					item.name = name;
					item.value = value;
					item.value_2 = !"".equals(value_2)?value_2:null;
					finishEditItem(item);
				}
			}
		});

		builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int whichButton) {
				dialog.cancel();
			}
		});
		
		builder.setOnCancelListener(new OnCancelListener() {
			
			@Override
			public void onCancel(DialogInterface dialog) {
				if (isAddingViaIntent()) {
					setResult(RESULT_CANCELED);
					finish();
				}
			}
		});
		
		builder.show();
	}
}