org.onebusaway.android.ui.MyStopListFragmentBase.java Source code

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Here is the source code for org.onebusaway.android.ui.MyStopListFragmentBase.java

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/*
 * Copyright (C) 2010-2012 Paul Watts (paulcwatts@gmail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.onebusaway.android.ui;

import org.onebusaway.android.R;
import org.onebusaway.android.provider.ObaContract;
import org.onebusaway.android.util.UIUtils;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ListView;
import android.widget.TextView;

abstract class MyStopListFragmentBase extends MyListFragmentBase implements QueryUtils.StopList.Columns {
    //private static final String TAG = "MyStopListActivity";

    @Override
    protected SimpleCursorAdapter newAdapter() {
        return QueryUtils.StopList.newAdapter(getActivity());
    }

    @Override
    protected Uri getContentUri() {
        return ObaContract.Stops.CONTENT_URI;
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        StopData stopData = getStopData(l, position);

        ArrivalsListActivity.Builder b = stopData.getArrivalsList();

        if (isShortcutMode()) {
            final Intent shortcut = UIUtils.makeShortcut(getActivity(), stopData.getUiName(), b.getIntent());

            Activity activity = getActivity();
            activity.setResult(Activity.RESULT_OK, shortcut);
            activity.finish();
        } else {
            b.setUpMode(NavHelp.UP_MODE_BACK);
            b.start();
        }
    }

    protected StopData getStopData(ListView l, int position) {
        // Get the cursor and fetch the stop ID from that.
        SimpleCursorAdapter cursorAdapter = (SimpleCursorAdapter) l.getAdapter();
        return new StopData(cursorAdapter.getCursor(), position - l.getHeaderViewsCount());
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
        final TextView text = (TextView) info.targetView.findViewById(R.id.stop_name);
        menu.setHeaderTitle(text.getText());
        if (isShortcutMode()) {
            menu.add(0, CONTEXT_MENU_DEFAULT, 0, R.string.my_context_create_shortcut);
        } else {
            menu.add(0, CONTEXT_MENU_DEFAULT, 0, R.string.my_context_get_stop_info);
        }
        menu.add(0, CONTEXT_MENU_SHOW_ON_MAP, 0, R.string.my_context_showonmap);
        if (!isShortcutMode()) {
            menu.add(0, CONTEXT_MENU_CREATE_SHORTCUT, 0, R.string.my_context_create_shortcut);
        }
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
        switch (item.getItemId()) {
        case CONTEXT_MENU_DEFAULT:
            // Fake a click
            onListItemClick(getListView(), info.targetView, info.position, info.id);
            return true;
        case CONTEXT_MENU_SHOW_ON_MAP:
            showOnMap(getListView(), info.position);
            return true;
        case CONTEXT_MENU_CREATE_SHORTCUT:
            StopData stopData = getStopData(getListView(), info.position);
            final Intent shortcutIntent = UIUtils.makeShortcut(getActivity(), stopData.uiName,
                    stopData.getArrivalsList().getIntent());
            shortcutIntent.setAction(INSTALL_SHORTCUT);
            shortcutIntent.setFlags(0);
            getActivity().sendBroadcast(shortcutIntent);
            return true;
        default:
            return super.onContextItemSelected(item);
        }
    }

    private void showOnMap(ListView l, int position) {
        // Get the cursor and fetch the stop ID from that.
        SimpleCursorAdapter cursorAdapter = (SimpleCursorAdapter) l.getAdapter();
        Cursor c = cursorAdapter.getCursor();
        c.moveToPosition(position - l.getHeaderViewsCount());
        final String stopId = c.getString(COL_ID);
        final double lat = c.getDouble(COL_LATITUDE);
        final double lon = c.getDouble(COL_LONGITUDE);

        HomeActivity.start(getActivity(), stopId, lat, lon);
    }

    protected class StopData {

        private final String id;

        private final String name;

        private final String dir;

        private final String uiName;

        public StopData(Cursor c, int row) {
            c.moveToPosition(row);
            id = c.getString(COL_ID);
            name = c.getString(COL_NAME);
            dir = c.getString(COL_DIRECTION);
            uiName = c.getString(COL_UI_NAME);
        }

        public String getId() {
            return id;
        }

        public String getName() {
            return name;
        }

        public String getDir() {
            return dir;
        }

        public String getUiName() {
            return uiName;
        }

        public ArrivalsListActivity.Builder getArrivalsList() {
            return new ArrivalsListActivity.Builder(getActivity(), id).setStopName(name).setStopDirection(dir);
        }
    }
}