com.softminds.matrixcalculator.OperationFragments.RankFragment.java Source code

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Here is the source code for com.softminds.matrixcalculator.OperationFragments.RankFragment.java

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/*
 * Copyright (C) 2017 Ashar Khan <ashar786khan@gmail.com>
 *
 * This file is part of Matrix Calculator.
 *
 * Matrix Calculator 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.
 *
 * Matrix Calculator 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 Matrix Calculator.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package com.softminds.matrixcalculator.OperationFragments;

import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.ListFragment;
import android.support.v7.app.AlertDialog;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
import android.widget.Toast;

import com.softminds.matrixcalculator.MatrixV2;
import com.softminds.matrixcalculator.MatrixAdapter;
import com.softminds.matrixcalculator.R;
import com.softminds.matrixcalculator.GlobalValues;

import java.lang.ref.WeakReference;

@SuppressWarnings("ConstantConditions")
public class RankFragment extends ListFragment {

    @SuppressWarnings("ConstantConditions")
    private static class MyHandler extends Handler {
        private WeakReference<RankFragment> weakReference;

        private MyHandler(RankFragment rankFragment) {
            weakReference = new WeakReference<>(rankFragment);
        }

        @Override
        public void handleMessage(Message msg) {
            final double rank = msg.getData().getDouble("CALCULATED_RANK", -1);
            final String mes = "Rank of Matrix is : " + String.valueOf(rank);

            final AlertDialog.Builder builder = new AlertDialog.Builder(weakReference.get().getContext());
            builder.setPositiveButton(R.string.copy, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    ClipboardManager clipboardManager = (ClipboardManager) weakReference.get().getActivity()
                            .getSystemService(Context.CLIPBOARD_SERVICE);
                    ClipData clipData = ClipData.newPlainText("RANK_RES", String.valueOf(rank));
                    clipboardManager.setPrimaryClip(clipData);
                    if (clipboardManager.hasPrimaryClip()) {
                        Toast.makeText(weakReference.get().getContext(), R.string.CopyToClip, Toast.LENGTH_SHORT)
                                .show();
                    } else
                        Log.d("ClipData", "Failed to set to Clip board");
                    dialogInterface.dismiss();
                }
            });

            builder.setNeutralButton(R.string.Done, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    dialogInterface.dismiss();
                }
            });
            builder.setMessage(mes);
            builder.setTitle(R.string.RankofMat);
            builder.setCancelable(false);
            builder.show();
        }
    }

    MyHandler handler = new MyHandler(this);

    @Override
    public void onActivityCreated(Bundle saved) {
        super.onActivityCreated(saved);
        MatrixAdapter adapter = new MatrixAdapter(getContext(), R.layout.list_layout_fragment,
                ((GlobalValues) getActivity().getApplication()).GetCompleteList());
        getListView().setDividerHeight(1);
        setListAdapter(adapter);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        FindRank(position);
    }

    private void FindRank(final int pos) {
        Runnable runnable = new Runnable() {
            @Override
            public void run() {
                MatrixV2 mat = ((GlobalValues) getActivity().getApplication()).GetCompleteList().get(pos);
                double rank = mat.getRank();
                Message message = new Message();
                Bundle bundle = new Bundle();
                bundle.putDouble("CALCULATED_RANK", rank);
                message.setData(bundle);
                handler.sendMessage(message);
            }
        };
        Thread thread = new Thread(runnable);
        thread.start();
    }
}