private void btnAccept_Click(object sender, RoutedEventArgs e)
{
WeightRecord rec = new WeightRecord();
// OK to update profile?
bool isOkToUpdate = true;
// Validate weigh-in date.
if (DataValidation.IsValidWeighInDate(dpDate))
{
rec.date = (DateTime)dpDate.Value;
txtDateMsg.Text = "";
}
else
{
isOkToUpdate = false;
txtDateMsg.Text = "Invalid date.";
}
// Validate start weight.
if (DataValidation.IsValidWeight(tbWeight))
{
rec.weight = Convert.ToDouble(tbWeight.Text);
txtWeightMsg.Text = "";
}
else
{
isOkToUpdate = false;
txtWeightMsg.Text = "Weight must be greater than 0.";
}
if (isOkToUpdate)
{
// Data has been validated, store in db.
WeightDB db = new WeightDB();
rec.daysOut = Convert.ToInt32((rec.date - startDate).TotalDays);
db.weightrecords.InsertOnSubmit(rec);
db.SubmitChanges();
somaAdViewer.StopAds();
NavigationService.Navigate(new Uri("/MainPage.xaml", UriKind.Relative));
}
}
private void PopulateListbox()
{
// 1. get profile data.
RemoteProfileRecordV2 profile = (Application.Current as DailyCals.App).ProfileDataObject;
startDate = profile.startdate;
bool isStandard = (profile.isstandard == 1 ? true : false);
// 2. query the db
WeightDB wdb = new WeightDB();
IQueryable<WeightRecord> results = from rec in wdb.weightrecords orderby rec.date descending select rec;
lbHistory.Items.Clear();
idarray = new int[results.Count()];
// 3. populate list box
foreach (WeightRecord cr in results)
{
ListBoxItem lbi = new ListBoxItem();
lbi.Content = cr.date.ToShortDateString() + ", " + cr.weight.ToString("0.0") + (isStandard ? " lbs." : " kgs.");
lbi.FontSize = 32;
// Don't allow start weight record to be selectable.
if (cr.isStartWeight)
{
lbi.IsEnabled = false;
}
lbHistory.Items.Add(lbi);
idarray[lbHistory.Items.IndexOf(lbi)] = cr.id;
}
// 4. smaato ad
//somaAdViewer.Pub = 0; // Developer pub ID for testing
//somaAdViewer.Adspace = 0; // Developer adSpace ID for testing
somaAdViewer.StartAds();
}
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
WeightDB wdb = new WeightDB();
WeightRecord wr = (from rec in wdb.weightrecords where (rec.id == idarray[lbHistory.SelectedIndex]) select rec).First();
wdb.weightrecords.DeleteOnSubmit(wr);
wdb.SubmitChanges();
// Navigate back to main page, chart will update (hitting Back won't work)
NavigationService.Navigate(new Uri("/MainPage.xaml", UriKind.Relative));
}
private void InitForm()
{
// Get the application's profile data object.
RemoteProfileRecordV2 profile = (Application.Current as DailyCals.App).ProfileDataObject;
// Hide/display the Demo indicator.
if (DailyCalories.demoMode)
{
txtDemoIndicator.Visibility = Visibility.Visible;
}
else
{
txtDemoIndicator.Visibility = Visibility.Collapsed;
}
if (profile == null)
{
// Profile has not been loaded yet. Deactivate
// controls and activate special message.
btnWeighIn.IsEnabled = false;
btnViewPlan.IsEnabled = false;
chartProgress.Visibility = Visibility.Collapsed;
tbWelcome.Visibility = Visibility.Visible;
btnMyProfile.Content = "Login";
return;
}
DateTime p_goaldate = profile.goaldate;
double p_height = profile.height;
DateTime p_birthdate = profile.birthdate;
bool p_isfemale = (profile.isfemale == 1 ? true : false);
double p_goalweight = profile.goalweight;
double p_activitylevel = profile.activitylevel;
double p_startweight = profile.startweight;
DateTime p_startdate = profile.startdate;
bool p_isstandard = (profile.isstandard == 1 ? true : false);
// Activate controls.
btnWeighIn.IsEnabled = true;
btnViewPlan.IsEnabled = true;
chartProgress.Visibility = Visibility.Visible;
tbWelcome.Visibility = Visibility.Collapsed;
btnMyProfile.Content = "My Profile";
// Current weight will be the most recent weigh-in.
WeightDB wdb = new WeightDB();
// .Last() throws NotSupportedException
WeightRecord wr = (from rec in wdb.weightrecords orderby rec.date descending select rec).First();
double lastWeight = wr.weight;
DateTime lastDate = wr.date;
double daysRemaining = (p_goaldate - lastDate).TotalDays;
// Do some calculations.
txtSummaryMsg.Text = "Current weight loss progress based on the most ";
txtSummaryMsg.Text += "recent weigh-in of ";
txtSummaryMsg.Text += lastWeight.ToString("0.0");
txtSummaryMsg.Text += (p_isstandard ? " pounds recorded on " : " kilograms recorded on ");
txtSummaryMsg.Text += lastDate.ToShortDateString();
txtSummaryMsg.Text += ":";
if (lastDate >= p_goaldate)
{
txtMaxCals.Text = "Goal Date Reached";
txtMaxCals.TextWrapping = TextWrapping.Wrap;
txtMaxCals.FontSize = 34;
txtMaxCals.Foreground = new SolidColorBrush(Color.FromArgb(255, 30, 144, 255));
txtMaxCalsMsg.Text = "You have reached your goal date with your most recent weigh-in.";
}
else
{
if (lastWeight > p_goalweight)
{
// Last weight not at goal.
txtMaxCals.Text = DailyCalories.DailyCals(lastWeight, p_height, p_birthdate, p_isfemale, lastDate, p_goaldate, lastWeight, p_goalweight, p_activitylevel, p_isstandard).ToString("0");
txtMaxCalsMsg.Text = "approximate maximum daily calories allowable to lose ";
txtMaxCalsMsg.Text += (DailyCalories.WeightLossPerDay(lastDate, p_goaldate, lastWeight, p_goalweight) * 7.0).ToString("0.0");
txtMaxCalsMsg.Text += (p_isstandard ? " pounds per week." : " kilograms per week.");
}
else
{
// Goal reached.
double cpdtr = DailyCalories.CaloriesPerDayToReduce(lastDate, p_goaldate, lastWeight, p_goalweight, p_isstandard);
double dc = DailyCalories.DailyCals(lastWeight, p_height, p_birthdate, p_isfemale, lastDate, p_goaldate, lastWeight, p_goalweight, p_activitylevel, p_isstandard);
txtMaxCals.Text = (DailyCalories.DailyCals(lastWeight, p_height, p_birthdate, p_isfemale, lastDate, p_goaldate, lastWeight, p_goalweight, p_activitylevel, p_isstandard) + cpdtr).ToString("0");
txtMaxCals.Foreground = new SolidColorBrush(Color.FromArgb(255, 30, 144, 255));
txtMaxCalsMsg.Text = "approximate maximum daily calories allowable to maintain current weight.";
}
}
double pc = DailyCalories.PercentageCompleted(p_startweight, p_goalweight, lastWeight);
if (pc < 0)
{
// Negative percentage (gaining weight)
txtPercComp.Foreground = new SolidColorBrush(Colors.Red);
}
else if (pc >= 100)
{
// Beyond goal weight.
txtPercComp.Foreground = new SolidColorBrush(Color.FromArgb(255, 30, 144, 255));
}
else
{
// Positive percentage (losing weight)
txtPercComp.Foreground = new SolidColorBrush(Colors.Green);
}
txtPercComp.Text = pc.ToString("0") + "%";
txtPercCompMsg.Text = "percentage to goal having ";
txtPercCompMsg.Text += (pc < 0 ? "gained " : "lost ");
txtPercCompMsg.Text += (Math.Abs(p_startweight - lastWeight)).ToString("0.0");
txtPercCompMsg.Text += (p_isstandard ? " pounds " : " kilograms ");
if (pc < 0)
{
// Negative percentage (gaining weight)
txtPercCompMsg.Text += "(goal is a ";
txtPercCompMsg.Text += (p_startweight - p_goalweight).ToString("0.0");
txtPercCompMsg.Text += (p_isstandard ? " pound weight loss)." : " kilogram weight loss).");
}
else
{
// Positive percentage (losing weight)
txtPercCompMsg.Text += "out of ";
txtPercCompMsg.Text += (p_startweight - p_goalweight).ToString("0.0");
txtPercCompMsg.Text += (p_isstandard ? " pounds total." : " kilograms total.");
}
txtDays.Text = Math.Abs(daysRemaining).ToString("0");
if (daysRemaining == 0)
{
// at goal date
txtDays.Foreground = new SolidColorBrush(Color.FromArgb(255, 30, 144, 255));
txtDaysMsg.Text = "days until " + p_goaldate.ToShortDateString() + " goal date, ";
}
else if (daysRemaining < 0 && lastWeight > p_goalweight)
{ // beyond goal date but not at goal weight
txtDays.Foreground = new SolidColorBrush(Colors.Yellow);
txtDaysMsg.Text = "days since " + p_goaldate.ToShortDateString() + " goal date, ";
}
else if (daysRemaining < 0 && lastWeight <= p_goalweight)
{ // beyond goal date and goal weight
txtDays.Foreground = new SolidColorBrush(Color.FromArgb(255, 30, 144, 255));
txtDaysMsg.Text = "days since " + p_goaldate.ToShortDateString() + " goal date, ";
}
else
{
txtDays.Foreground = new SolidColorBrush(Colors.Green);
txtDaysMsg.Text = "days until " + p_goaldate.ToShortDateString() + " goal date, ";
}
txtDaysMsg.Text += "currently in week " + DailyCalories.CurrentWeek(p_startdate) + " of weight loss plan.";
}
public static bool IsValidWeighInDate(Microsoft.Phone.Controls.DatePicker dp)
{
// Convert the datepicker value.
DateTime date = (DateTime)dp.Value;
// Get the most recent weigh-in date.
WeightDB wdb = new WeightDB();
WeightRecord wr = (from rec in wdb.weightrecords orderby rec.date descending select rec).First();
DateTime lastDate = wr.date;
// Get today's date. Use canned date if demo mode.
DateTime today = DateTime.Today;
if (DailyCalories.demoMode)
{
today = DateTime.Today.AddYears(2);
}
// Date is invalid if it occurs prior to most recent weigh-in
// or if the date is in the future. Today is ok. This code
// will also prevent a duplicate date from being entered.
if (date <= lastDate || date > today)
{
dp.Background = new SolidColorBrush(Colors.Red);
return false;
}
// Default background color.
dp.Background = new SolidColorBrush(Color.FromArgb(0xBF, 0xFF, 0xFF, 0xFF));
return true;
}
public static void UpdateWeightDB(RemoteProfileRecordV2 pr)
{
// Load the weight db.
WeightDB wdb = new WeightDB();
WeightRecord wr = null;
try
{
// Retrieve the initial weigh-in (isStartWeight is true) and update.
wr = (from rec in wdb.weightrecords where (rec.isStartWeight) select rec).First();
wr.weight = pr.startweight;
}
catch
{
// No existing WeightDB. Insert a new record.
wr = new WeightRecord();
wr.date = DailyCalories.GetToday();
wr.weight = pr.startweight;
wr.isStartWeight = true;
wdb.weightrecords.InsertOnSubmit(wr);
}
// Submit changes to WeightDB.
wdb.SubmitChanges();
}