com.softminds.matrixcalculator.base_fragments.VariableMul.java Source code

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Here is the source code for com.softminds.matrixcalculator.base_fragments.VariableMul.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.base_fragments;

import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

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

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

    MatrixAdapter adapter;
    int Row;
    int Col;

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        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) {
        super.onListItemClick(l, v, position, id);
        MatrixV2 m = ((GlobalValues) getActivity().getApplication()).GetCompleteList().get(position);
        if (Row == 0 || Col == 0) {
            Row = m.getNumberOfRows();
            Col = m.getNumberOfCols();
            AddToQueue(m);
        } else {
            if (Col == m.getNumberOfRows()) {
                AddToQueue(m);
                Row = m.getNumberOfRows();
                Col = m.getNumberOfCols();
            } else {
                Toast.makeText(getContext(), "Select a MatrixV2 with " + String.valueOf(Col) + " Row",
                        Toast.LENGTH_SHORT).show();
            }
        }
    }

    private void AddToQueue(MatrixV2 click) {
        try {
            @SuppressWarnings("ConstantConditions") //to suppress the null pointer exception of the  textview
            TextView textView = getParentFragment().getView().findViewById(R.id.AdditionStatus);
            String Initial = textView.getText().toString();
            if (Initial.isEmpty()) {
                textView.setText(click.getName());
                ((GlobalValues) getActivity().getApplication()).MatrixQueue.add(click);
            } else {
                String Complete = Initial + " x " + click.getName();
                textView.setText(Complete);
                ((GlobalValues) getActivity().getApplication()).MatrixQueue.add(click);
            }
        } catch (NullPointerException e) {
            Log.d("AddToQueue", "Exception raised, cannot get textview from parent fragment");
            e.printStackTrace();
        }

    }

    public void UpdateRowCol(int r, int c) {
        Row = r;
        Col = c;
    }

    public void Restore() {
        Row = 0;
        Col = 0;
    }
}