net.olejon.mdapp.MedicationsFragment.java Source code

Introduction

Here is the source code for net.olejon.mdapp.MedicationsFragment.java

Source

package net.olejon.mdapp;

/*
    
Copyright 2015 Ole Jon Bjrkum
    
This file is part of LegeAppen.
    
LegeAppen 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.
    
LegeAppen 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 LegeAppen.  If not, see <http://www.gnu.org/licenses/>.
    
*/

import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.FilterQueryProvider;
import android.widget.ListView;

public class MedicationsFragment extends Fragment {
    private Context mContext;

    private MyTools mTools;

    private Cursor mCursor;

    private EditText mSearchEditText;
    private ListView mListView;
    private View mListViewEmpty;

    // Create fragment view
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        ViewGroup viewGroup = (ViewGroup) inflater.inflate(R.layout.fragment_medications, container, false);

        // Context
        mContext = viewGroup.getContext();

        // Tools
        mTools = new MyTools(mContext);

        // Search
        mSearchEditText = (EditText) getActivity().findViewById(R.id.main_search_edittext);

        // List
        mListView = (ListView) viewGroup.findViewById(R.id.main_medications_list);
        mListViewEmpty = viewGroup.findViewById(R.id.main_medications_list_empty);

        // Get medications
        GetMedicationsTask getMedicationsTask = new GetMedicationsTask();
        getMedicationsTask.execute();

        return viewGroup;
    }

    // Destroy fragment
    @Override
    public void onDestroy() {
        super.onDestroy();

        if (mCursor != null && !mCursor.isClosed())
            mCursor.close();
    }

    // Get medications
    private class GetMedicationsTask extends AsyncTask<Void, Void, MedicationsSimpleCursorAdapter> {
        @Override
        protected void onPostExecute(final MedicationsSimpleCursorAdapter medicationsSimpleCursorAdapter) {
            mListView.setAdapter(medicationsSimpleCursorAdapter);
            mListView.setEmptyView(mListViewEmpty);

            mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> adapterView, View view, final int i, long id) {
                    Intent intent = new Intent(mContext, MedicationActivity.class);

                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                        if (mTools.getDefaultSharedPreferencesBoolean("MEDICATION_MULTIPLE_DOCUMENTS"))
                            intent.setFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
                    }

                    intent.putExtra("id", id);
                    startActivity(intent);
                }
            });

            mSearchEditText.addTextChangedListener(new TextWatcher() {
                @Override
                public void onTextChanged(final CharSequence charSequence, int i, int i2, int i3) {
                    if (MainActivity.VIEW_PAGER_POSITION == 0)
                        medicationsSimpleCursorAdapter.getFilter().filter(charSequence);
                }

                @Override
                public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
                }

                @Override
                public void afterTextChanged(Editable editable) {
                }
            });

            medicationsSimpleCursorAdapter.setFilterQueryProvider(new FilterQueryProvider() {
                @Override
                public Cursor runQuery(CharSequence charSequence) {
                    String[] queryColumns = { SlDataSQLiteHelper.MEDICATIONS_COLUMN_ID,
                            SlDataSQLiteHelper.MEDICATIONS_COLUMN_PRESCRIPTION_GROUP,
                            SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME,
                            SlDataSQLiteHelper.MEDICATIONS_COLUMN_SUBSTANCE,
                            SlDataSQLiteHelper.MEDICATIONS_COLUMN_MANUFACTURER };

                    if (charSequence.length() == 0)
                        return MainActivity.SQLITE_DATABASE.query(SlDataSQLiteHelper.TABLE_MEDICATIONS,
                                queryColumns, null, null, null, null,
                                SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME + " COLLATE NOCASE");

                    String query = charSequence.toString().trim();

                    return MainActivity.SQLITE_DATABASE.query(SlDataSQLiteHelper.TABLE_MEDICATIONS, queryColumns,
                            SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME + " LIKE " + mTools.sqe("%" + query + "%"),
                            null, null, null, SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME + " COLLATE NOCASE");
                }
            });
        }

        @Override
        protected MedicationsSimpleCursorAdapter doInBackground(Void... voids) {
            String[] queryColumns = { SlDataSQLiteHelper.MEDICATIONS_COLUMN_ID,
                    SlDataSQLiteHelper.MEDICATIONS_COLUMN_PRESCRIPTION_GROUP,
                    SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME, SlDataSQLiteHelper.MEDICATIONS_COLUMN_SUBSTANCE,
                    SlDataSQLiteHelper.MEDICATIONS_COLUMN_MANUFACTURER };
            mCursor = MainActivity.SQLITE_DATABASE.query(SlDataSQLiteHelper.TABLE_MEDICATIONS, queryColumns, null,
                    null, null, null, SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME + " COLLATE NOCASE");

            String[] fromColumns = { SlDataSQLiteHelper.MEDICATIONS_COLUMN_PRESCRIPTION_GROUP,
                    SlDataSQLiteHelper.MEDICATIONS_COLUMN_NAME, SlDataSQLiteHelper.MEDICATIONS_COLUMN_SUBSTANCE,
                    SlDataSQLiteHelper.MEDICATIONS_COLUMN_MANUFACTURER };
            int[] toViews = { R.id.main_medications_list_item_prescription_group,
                    R.id.main_medications_list_item_name, R.id.main_medications_list_item_substance,
                    R.id.main_medications_list_item_manufacturer };

            return new MedicationsSimpleCursorAdapter(mContext, mCursor, fromColumns, toViews);
        }
    }
}