zack.yovel.clear.controller.foreground.SuggestionsDialogFragment.java Source code

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Here is the source code for zack.yovel.clear.controller.foreground.SuggestionsDialogFragment.java

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/*
 * Copyright (c) 2014 Yehezkel (Zack) Yovel
 *
 * 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 zack.yovel.clear.controller.foreground;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentManager;
import android.util.Log;
import android.widget.ArrayAdapter;

import java.util.List;

import zack.yovel.clear.R;
import zack.yovel.clear.infrastructure.model.geonames.GeoName;

public class SuggestionsDialogFragment extends DialogFragment implements DialogInterface.OnClickListener {

    public static final String EXTRA_SUGGESTIONS_LIST = "yovel.zack.clear.EXTRA_SUGGESTIONS_LIST";
    public static final String EXTRA_TITLE = "yovel.zack.clear.EXTRA_TITLE";
    private static final String TAG = "SuggestionsDialogFragment";
    private List<GeoName> suggestions;
    private String title;
    private OnSelectionMade listener;
    private boolean showing;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            listener = (OnSelectionMade) activity;
        } catch (ClassCastException e) {
            Log.e(TAG, activity.getClass().getName() + " must implement " + OnSelectionMade.class.getName());
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Bundle arguments = getArguments();
        suggestions = arguments.getParcelableArrayList(EXTRA_SUGGESTIONS_LIST);
        title = arguments.getString(EXTRA_TITLE);
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        Dialog output;

        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        builder.setTitle(title);

        // If there are suggestions, show them
        if (suggestions.size() > 0) {
            ArrayAdapter<GeoName> adapter = new ArrayAdapter<GeoName>(getActivity(),
                    android.R.layout.simple_list_item_1, suggestions);
            builder.setAdapter(adapter, this);
        } else {
            builder.setMessage(R.string.message_no_suggestions);
        }

        output = builder.create();
        return output;
    }

    @Override
    public void show(FragmentManager manager, String tag) {
        if (manager.findFragmentByTag(tag) == null) {
            super.show(manager, tag);
        }
    }

    @Override
    public void onClick(DialogInterface dialog, int which) {
        GeoName selected = suggestions.get(which);
        listener.onSelectionMade(selected.name, selected.lat + "," + selected.lng);
    }

    public interface OnSelectionMade {
        void onSelectionMade(String locationName, String latlng);
    }
}