private void GetWeather()
{
if (!string.IsNullOrEmpty(TxtCity.Text) && !string.IsNullOrEmpty(CountryBox.SelectedItem.ToString())) // Check if user provided information
{
string country = CountryBox.SelectedItem.ToString();
string city = TxtCity.Text;
WeatherInformation information = new WeatherInformation(city, country);
information.GetInformation();
TxtTemperature.Text = "Temperature: " + information.getTemp();
TxtWind.Text = "Wind: " + information.getWindSpeed();
TxtHumidity.Text = "Humidity: " + information.getHumidity();
TxtStatus.Text = "Status: " + information.getStatus();
ImageBox.ImageLocation = information.getImage();
txtArea.Text = information.getArea();
}
else
{
MessageBox.Show("Please fill all required fields!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
/* This function is called by the eventhandler that is invoked
* once a user searches for a city. The function checks whether
* the user input is valid or invalid and sets up the GUI accordingly.
*/
private void GenerateDefaultInformation()
{
// Reg expressions to check whether input is allowed or not
string checkInteger = @"\d+";
string checkSpecialCharacter = @"[@#$%&*+\-_(),+':;?.,![\]\s\\/]+$";
// Remove new lines
string input = userInput.Text;
input = Regex.Replace(input, @"\t|\n|\r", "");
userInput.Text = input;
bool invalidSearch = false;
// If input contains invalid characters, let the user know and retry
if (userInput.Text == "" || Regex.Match(userInput.Text, checkInteger).Success ||
Regex.Match(userInput.Text, checkSpecialCharacter).Success)
{
// Take care of cases if input is invalid
invalidSearch = true;
// Ensures old values will not appear
weatherInformation = null;
}
else
{
// Get weather information
weatherInformation = requestHandler.FetchDataFromInput(userInput.Text.ToString());
if (weatherInformation == null)
{
invalidSearch = true;
}
else
{
if (fahrenCBox.Checked)
{
temperatureDefaultView.Text = ConvertTemperature(weatherInformation.main.temp, false);
}
else
{
temperatureDefaultView.Text = ConvertTemperature(weatherInformation.main.temp, true);
}
// Sets the default values and displays it on screen
windSpeedView.Text = weatherInformation.wind.speed.ToString();
weatherDescriptionView.Text = weatherInformation.weather[0].description.ToString();
countryCodeView.Text = weatherInformation.sys.country.ToString();
// A user can now choose to display optional values
minTmpCBox.Enabled = true;
maxTmpCBox.Enabled = true;
humidityCBox.Enabled = true;
pressureCBox.Enabled = true;
coordinatesCBox.Enabled = true;
}
}
if (invalidSearch)
{
// Print debug info on display
Toast.MakeText(this, $"Could not find any data for '{userInput.Text.ToString()}'", ToastLength.Long).Show();
// Will reset values
ResetDefaultComponents();
ResetOptionalValues();
}
else
{
// If some options are left as chosen when user queries information
// about a new city, the corresponding values will be override by new information
OverrideOptionalValues();
}
}