Android Open Source - Gradulator Add Course Dialog Fragment

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License

The source code is released under:
MIT License
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Java Source Code

/*
The MIT License (MIT)//w  ww .  j  a  v a2  s .  c  o m

Copyright (c) 2014 Gannon Lawlor

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.gannon.gradulator.dialogfragments;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.InputType;
import android.widget.EditText;
import android.widget.Toast;

import com.gannon.gradulator.models.Course;
import com.gannon.gradulator.MainActivity;
import com.gannon.gradulator.R;


public class AddCourseDialogFragment extends DialogFragment {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {

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

        //Set the input
        final EditText input = new EditText(this.getActivity());
        final MainActivity ma = (MainActivity) getActivity();

        input.setInputType(InputType.TYPE_CLASS_TEXT);
        builder.setView(input);
        if (ma.edit) {
            input.setText(ma.adapter.getItem(ma.listNumber).getName());
        }

        builder.setMessage(R.string.dialog_course_name)
                .setPositiveButton(R.string.add, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        Course course;

                        if (checkName(input.getText().toString())) {

                            if (ma.edit) {
                                Course myCourse = ma.adapter.getItem(ma.listNumber);
                                myCourse.setName(input.getText().toString());
                                ma.courseDataSource.updateCourse(myCourse);
                                ma.adapter.notifyDataSetChanged();
                            }
                            else
                            {
                                course = ma.courseDataSource.createCourse(input.getText().toString(), 0.0);
                                ma.adapter.add(course);
                                ma.adapter.notifyDataSetChanged();

                            }


                        } else {
                            Context context =ma.getApplicationContext();
                            CharSequence text = "Opps! Your class name can't be empty.";
                            int duration = Toast.LENGTH_SHORT;

                            Toast toast = Toast.makeText(context, text, duration);
                            toast.show();
                        }


                    }
                })
                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        // User Cancelled adding the course
                    }
                });
        return builder.create();
    }

    private boolean checkName(String name) {
        if (name.length() > 0) {
            return true;
        }
        return false;
    }
}
Java Source Code List
