public WeatherList(WeatherList w)
{
//copy constructor that takes in another WeatherList object
// and creates a new linked list that is a copy of the parameter list
if (w.Count == 0)
{
_head = null;
_tail = null;
_size = 0;
}
else
{
_head = new Node <WeatherData>(w._head.Data);
_size = 1;
Node <WeatherData> tempOld = _head;
Node <WeatherData> temp = w._head.Next;
while (temp != null)
{
Node <WeatherData> tempNew = new Node <WeatherData>(temp.Data);
tempOld.Next = tempNew;
tempOld = tempOld.Next;
temp = temp.Next;
if (temp != null)
{
_size++;
}
}
_tail = tempOld;
}
}
private void FilterClick(object sender, EventArgs e)
{
WeatherList copy = new WeatherList(_current);
wlists.Push(copy); //pushing the copy onto the stack;
uxUndoButton.Enabled = true; //we can now undo changes, so make button avaliable
if (uxDateRangeButton.Checked)
{
_current.FilterRange(uxMonthCalendar.SelectionStart, uxMonthCalendar.SelectionEnd);
}
else if (uxBelowTempButton.Checked)
{
_current.FilterTemp(Convert.ToInt32(uxNumericUpDown.Value), true);
}
else if (uxAboveTempButton.Checked)
{
_current.FilterTemp(Convert.ToInt32(uxNumericUpDown.Value), false);
}
else if (uxDateHistory.Checked)
{
_current.FilterDateHistory(uxMonthCalendar.SelectionStart);
}
else
{
MessageBox.Show("Error: Please select a filter first!");
return;
}
uxWeatherListBox.DataSource = null;
uxWeatherListBox.DataSource = _current;
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
if (uxOpenFile.ShowDialog() == DialogResult.OK)
{
try //try to read the input file
{
//read in the file and put it into the listbox
WeatherList temp = new WeatherList();
char[] delims = { ' ' };
using (StreamReader sr = new StreamReader(uxOpenFile.FileName))
{
while (!sr.EndOfStream)
{
string[] pieces = (sr.ReadLine()).Split(delims, StringSplitOptions.RemoveEmptyEntries);
int year = Convert.ToInt32(pieces[2]);
int month = Convert.ToInt32(pieces[0]);
int day = Convert.ToInt32(pieces[1]);
double temperature = Convert.ToDouble(pieces[3]);
DateTime date = new DateTime(year, month, day);
WeatherData weather = new WeatherData(date, temperature);
temp.Add(weather);
}
}
_current = temp;
uxWeatherListBox.DataSource = _current;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// Button checks radio button and (attempts) to filter listbox
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void uxFilterButton_Click(object sender, EventArgs e)
{
if (uxAboveTemp.Checked)
{
WeatherList temp = new WeatherList(wd);
ws.Push(temp);
wd.FilterTemp(Convert.ToDouble(uxTempSetting.Value), true);
uxDatesList.DataSource = null;
uxDatesList.Items.Clear();
uxDatesList.DataSource = wd;
}
else if (uxBelowTemp.Checked)
{
WeatherList temp = new WeatherList(wd);
ws.Push(temp);
wd.FilterTemp(Convert.ToDouble(uxTempSetting.Value), false);
uxDatesList.DataSource = null;
uxDatesList.Items.Clear();
uxDatesList.DataSource = wd;
}
else if (uxDateRange.Checked)
{
try
{
WeatherList temp = new WeatherList(wd);
ws.Push(temp);
wd.FilterRange(uxCalendar.SelectionRange.Start, uxCalendar.SelectionRange.End);
uxDatesList.DataSource = null;
uxDatesList.Items.Clear();
uxDatesList.DataSource = wd;
}
catch (Exception ex)
{
MessageBox.Show("Must select dates\n" + ex.ToString());
}
}
else if (uxThisDate.Checked)
{
try
{
WeatherList temp = new WeatherList(wd);
ws.Push(temp);
wd.FilterDateHistory(uxCalendar.SelectionRange.Start);
uxDatesList.DataSource = null;
uxDatesList.Items.Clear();
uxDatesList.DataSource = wd;
}
catch (Exception ex)
{
MessageBox.Show("Must select a date\n" + ex.ToString());
}
}
else
{
MessageBox.Show("Please select a filter");
}
}
private void UndoClick(object sender, EventArgs e)
{
_current = wlists.Pop(); //_current is now the list that we just popped off
uxWeatherListBox.DataSource = null;
uxWeatherListBox.DataSource = _current; //updating ListBox
if (wlists.Count == 0) //if we popped off the last list, disable the undo button
{
uxUndoButton.Enabled = false;
}
}
/// <summary>
/// should pop previous weatherlists and use those
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void uxUndoButton_Click(object sender, EventArgs e)
{
if (ws.Count > 0)
{
wd = new WeatherList(ws.Pop());
uxDatesList.DataSource = null;
uxDatesList.Items.Clear();
uxDatesList.DataSource = wd;
}
else
{
MessageBox.Show("No filters to undo");
}
}
public WeatherList(WeatherList w)
{
_head = null;
_tail = null;
_size = w._size;
int i = 0;
Node temp = w._head;
while (i < _size)
{
this.Add(temp.Data);
temp = temp.Next;
_size--;
i++;
}
}
/// <summary>
/// on open menu click, loads file and listbox contents
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void uxOpenMenu_Click(object sender, EventArgs e) //More error checking here if time
{
if (uxOpenFileDialog.ShowDialog() == DialogResult.OK)
{
//try
//{
if (uxDatesList.Items.Count > 0)
{
uxDatesList.DataSource = null;
uxDatesList.Items.Clear();
wd = new WeatherList();
}
string name = uxOpenFileDialog.FileName;
using (StreamReader inFile = new StreamReader(name))
{
string line;
char[] sep = new char[] { ' ' };
while ((line = inFile.ReadLine()) != null)
{
string[] data = new string[4];
data = line.Split(sep, StringSplitOptions.RemoveEmptyEntries);
if (Convert.ToDouble(data[3]) != -99)
{
wd.Add(new WeatherData(Convert.ToInt32(data[0]),
Convert.ToInt32(data[1]), Convert.ToInt32(data[2]),
Convert.ToDouble(data[3])));
}
}
}
uxDatesList.DataSource = wd;
//}catch(Exception ex)
//{
// MessageBox.Show("Something Went Wrong\n" + ex.ToString());
//}
}
}
