com.github.yuukis.businessmap.app.ContactsGroupDialogFragment.java Source code

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Here is the source code for com.github.yuukis.businessmap.app.ContactsGroupDialogFragment.java

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/*
 * ContactsGroupDialogFragment.java
 *
 * Copyright 2014 Yuuki Shimizu.
 *
 * 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 com.github.yuukis.businessmap.app;

import java.util.List;

import com.github.yuukis.businessmap.R;
import com.github.yuukis.businessmap.model.ContactsGroup;
import com.github.yuukis.businessmap.util.ContactUtils;

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.FragmentActivity;
import android.support.v4.app.FragmentManager;

public class ContactsGroupDialogFragment extends DialogFragment implements DialogInterface.OnClickListener {

    public interface OnSelectListener {
        public void onContactsGroupSelected(ContactsGroup group);
    }

    private static final String TAG = "ContactsGroupDialogFragment";

    private OnSelectListener mListener = null;
    private List<ContactsGroup> mGroupList;

    public static ContactsGroupDialogFragment newInstance() {
        return new ContactsGroupDialogFragment();
    }

    public static void showDialog(FragmentActivity activity) {
        FragmentManager manager = activity.getSupportFragmentManager();
        newInstance().show(manager, TAG);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        if (activity instanceof OnSelectListener) {
            mListener = (OnSelectListener) activity;
        }
        mGroupList = ContactUtils.getContactsGroupList(activity);
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        CharSequence[] items = getContactsGroupTitleArray();
        return new AlertDialog.Builder(getActivity()).setTitle(R.string.action_select_group).setItems(items, this)
                .setNegativeButton(android.R.string.cancel, this).create();
    }

    @Override
    public void onClick(DialogInterface dialog, int which) {
        if (mListener != null) {
            ContactsGroup group = null;
            if (which != DialogInterface.BUTTON_NEGATIVE) {
                group = mGroupList.get(which);
            }
            mListener.onContactsGroupSelected(group);
        }
    }

    private CharSequence[] getContactsGroupTitleArray() {
        List<ContactsGroup> groupList = mGroupList;
        int size = groupList.size();
        CharSequence[] titleArray = new CharSequence[size];
        for (int i = 0; i < size; i++) {
            ContactsGroup group = groupList.get(i);
            String title = group.getTitle();
            titleArray[i] = title;
        }
        return titleArray;
    }
}