com.androzic.route.RouteEdit.java Source code

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Here is the source code for com.androzic.route.RouteEdit.java

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/*
 * Androzic - android navigation client that uses OziExplorer maps (ozf2, ozfx3).
 * Copyright (C) 2010-2014 Andrey Novikov <http://andreynovikov.info/>
 * 
 * This file is part of Androzic application.
 * 
 * Androzic 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
 * (at your option) any later version.
 * 
 * Androzic 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.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Androzic. If not, see <http://www.gnu.org/licenses/>.
 */

package com.androzic.route;

import java.util.ArrayList;
import java.util.List;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;

import com.androzic.R;
import com.androzic.data.Route;
import com.androzic.data.Waypoint;
import com.androzic.waypoint.OnWaypointActionListener;
import com.mobeta.android.dslv.DragSortController;
import com.mobeta.android.dslv.DragSortListView;

public class RouteEdit extends DialogFragment {
    private OnWaypointActionListener waypointActionsCallback;

    private Route route;

    private DragSortListView listView;
    private ArrayAdapter<String> listAdapter;
    private DragSortController dragController;

    public RouteEdit() {
        throw new RuntimeException("Unimplemented initialization context");
    }

    //FIXME Fix lint error
    @SuppressLint("ValidFragment")
    public RouteEdit(Route route) {
        this.route = route;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRetainInstance(true);
    }

    /**
     * Called in onCreateView. Override this to provide a custom
     * DragSortController.
     */
    protected DragSortController buildController(DragSortListView dslv) {
        DragSortController controller = new DragSortController(dslv);
        controller.setDragHandleId(R.id.drag_handle);
        // controller.setClickRemoveId(R.id.click_remove);
        controller.setRemoveEnabled(true);
        controller.setSortEnabled(true);
        controller.setDragInitMode(DragSortController.ON_DOWN);
        controller.setRemoveMode(DragSortController.FLING_REMOVE);
        return controller;
    }

    @SuppressLint("ClickableViewAccessibility")
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        listView = (DragSortListView) inflater.inflate(R.layout.act_route_edit, container, false);

        dragController = buildController(listView);
        listView.setFloatViewManager(dragController);
        listView.setOnTouchListener(dragController);
        listView.setOnItemClickListener(clickListener);
        listView.setDragEnabled(true);

        return listView;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        // This makes sure that the container activity has implemented
        // the callback interface. If not, it throws an exception
        try {
            waypointActionsCallback = (OnWaypointActionListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement OnWaypointActionListener");
        }
    }

    @Override
    public void onStart() {
        super.onStart();

        listView.setDropListener(mDropListener);
        listView.setRemoveListener(mRemoveListener);

        List<Waypoint> waypoints = route.getWaypoints();
        List<String> list = new ArrayList<String>(waypoints.size());
        for (int i = 0; i < waypoints.size(); i++) {
            list.add(waypoints.get(i).name);
        }

        //TODO Should use custom adapter for proper item Id's
        listAdapter = new ArrayAdapter<String>(getActivity(), R.layout.list_item_sortable, R.id.text, list);
        listView.setAdapter(listAdapter);

        getDialog().setTitle(route.name);
    }

    @Override
    public void onDestroyView() {
        if (getDialog() != null && getRetainInstance())
            getDialog().setDismissMessage(null);
        super.onDestroyView();
    }

    private AdapterView.OnItemClickListener clickListener = new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            waypointActionsCallback.onWaypointView(route.getWaypoint(position));
        }
    };

    private final DragSortListView.DropListener mDropListener = new DragSortListView.DropListener() {
        @Override
        public void drop(int from, int to) {
            if (from != to) {
                String item = listAdapter.getItem(from);
                listAdapter.remove(item);
                listAdapter.insert(item, to);
                Waypoint wpt = route.getWaypoint(from);
                route.removeWaypoint(wpt);
                route.addWaypoint(to, wpt);
            }
        }
    };

    private final DragSortListView.RemoveListener mRemoveListener = new DragSortListView.RemoveListener() {
        @Override
        public void remove(int which) {
            listAdapter.remove(listAdapter.getItem(which));
            route.removeWaypoint(route.getWaypoint(which));
        }
    };
}