ch.scythe.hsr.DayFragment.java Source code

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Here is the source code for ch.scythe.hsr.DayFragment.java

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/* 
 * Copyright (C) 2011 - 2012 Michi Gysel <michael.gysel@gmail.com>
 *
 * This file is part of the HSR Timetable.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package ch.scythe.hsr;

import java.util.List;

import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TableLayout;
import android.widget.TextView;
import ch.scythe.hsr.api.ui.UiDay;
import ch.scythe.hsr.api.ui.UiLesson;
import ch.scythe.hsr.api.ui.UiWeek;
import ch.scythe.hsr.enumeration.Weekday;

public class DayFragment extends DialogFragment {

    public static final String FRAGMENT_PARAMETER_DATA = "week";
    public static final String FRAGMENT_PARAMETER_WEEKDAY = "position";

    private UiWeek week;
    private Weekday weekDay;
    private LayoutInflater layoutInflater;

    public DayFragment() {
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Bundle arguments = getArguments();
        if (arguments != null) {
            week = (UiWeek) (arguments.getSerializable(FRAGMENT_PARAMETER_DATA));
            weekDay = (Weekday) (arguments.getSerializable(FRAGMENT_PARAMETER_WEEKDAY));
        }
    }

    @Override
    public void onSaveInstanceState(Bundle instanceToSave) {
        super.onSaveInstanceState(instanceToSave);
        instanceToSave.putSerializable(FRAGMENT_PARAMETER_DATA, week);
        instanceToSave.putSerializable(FRAGMENT_PARAMETER_WEEKDAY, weekDay);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        if (savedInstanceState != null && savedInstanceState.containsKey(FRAGMENT_PARAMETER_DATA)) {
            week = (UiWeek) (savedInstanceState.getSerializable(FRAGMENT_PARAMETER_DATA));
            weekDay = (Weekday) (savedInstanceState.getSerializable(FRAGMENT_PARAMETER_WEEKDAY));
        }

        layoutInflater = getLayoutInflater(savedInstanceState);
        View v = inflater.inflate(R.layout.timetable_day, container, false);
        TableLayout timeTable = (TableLayout) v.findViewById(R.id.timeTable);

        updateTable(timeTable);

        return v;
    }

    private void updateTable(TableLayout timeTable) {
        UiDay day = week.getDay(weekDay);
        if (day != null) {
            List<UiLesson> lessons = day.getLessons();
            if (lessons.size() > 0) {
                createAndFormatTableRows(lessons, timeTable, layoutInflater);
            } else {
                String message = getString(R.string.message_no_lessons);
                showInfoRow(timeTable, message);
            }
        } else {
            String message = getString(R.string.message_no_data);
            showInfoRow(timeTable, message);
        }
    }

    private void showInfoRow(TableLayout timeTable, String message) {
        View descriptionRow = (View) layoutInflater.inflate(R.layout.timetable_info_row, null);
        TextView infoField = (TextView) descriptionRow.findViewById(R.id.infoRow);
        infoField.setText(message);
        timeTable.addView(descriptionRow);
    }

    public void updateDate(UiWeek week) {
        this.week = week;
        View view = getView();
        if (view != null) {
            TableLayout timeTable = (TableLayout) view.findViewById(R.id.timeTable);
            // remove all existing table rows and add them again
            timeTable.removeAllViews();
            updateTable(timeTable);
        } else {
            Log.w("DayFragment", "Not possible to update data as the view is not available.");
        }
    }

    private void createAndFormatTableRows(List<UiLesson> lessons, TableLayout timeTable,
            LayoutInflater layoutInflater) {

        String lastLessonTimeslot = "";
        boolean firstRow = true;

        for (UiLesson lesson : lessons) {

            View row = layoutInflater.inflate(R.layout.timetable_row, null);
            timeTable.addView(row);

            View horizontalLine = row.findViewById(R.id.horizontalLine);
            if (firstRow) {
                horizontalLine.setVisibility(View.GONE);
                firstRow = false;
            }

            TextView timeUnitField = (TextView) row.findViewById(R.id.rowTimeunit);
            TextView lessonField = (TextView) row.findViewById(R.id.rowLesson);
            TextView lecturerFieldShort = (TextView) row.findViewById(R.id.rowLecturerShort);
            TextView lecturerFieldLong = (TextView) row.findViewById(R.id.rowLecturerLong);
            TextView roomField = (TextView) row.findViewById(R.id.rowRoom);
            TextView descriptionField = (TextView) row.findViewById(R.id.rowDescription);
            TextView typeField = (TextView) row.findViewById(R.id.rowType);

            // fill values into row

            String newTimeslot = lesson.getTimeSlot();
            if (!lastLessonTimeslot.equals(newTimeslot)) {
                timeUnitField.setText(newTimeslot);
            } else {
                timeUnitField.setText("");
                horizontalLine.setVisibility(View.GONE);
            }
            lastLessonTimeslot = newTimeslot;

            lessonField.setText(lesson.getName());
            roomField.setText(lesson.getRoom());

            if (lecturerFieldShort != null)
                lecturerFieldShort.setText(lesson.getLecturerShort());
            if (lecturerFieldLong != null)
                lecturerFieldLong.setText(lesson.getLecturerLong());

            typeField.setText(lesson.getType());

            if (lesson.hasDescription()) {
                descriptionField.setText(lesson.getDescription());
            } else {
                descriptionField.setVisibility(View.GONE);
            }
        }

    }

    public Weekday getWeekDay() {
        return weekDay;
    }
}