public async Task <DateTime> LoadLatest(string endPoint, SelectedMealCollection mealData, SelectedIngredientsCollection ingredientsData)
{
DateTime startDate = DateTime.MinValue;
try
{
string data = await ServerGet(endPoint);
var xmlDoc = new XmlDocument();
xmlDoc.LoadXml(data);
var meals = xmlDoc.SelectNodes("//ArrayOfSelectedMeal/SelectedMeal");
mealData.Clear();
foreach (XmlNode xmlNode in meals)
{
// <ArrayOfSelectedMeal>
// Now populate meals and staples
string date = xmlNode.SelectSingleNode("DateTime").InnerText;
var ingredients = xmlNode.SelectNodes("Ingredients/string");
var mealsForDate = xmlNode.SelectNodes("Meals/string");
var selectedMeal = new SelectedMeal();
// Datetime conversion
DateTime mealDate;
if (DateTime.TryParse(date, out mealDate))
{
selectedMeal.DateTime = mealDate;
if (startDate == DateTime.MinValue || mealDate < startDate)
{
startDate = mealDate;
}
}
foreach (XmlNode mealNode in mealsForDate)
{
selectedMeal.addMeal(mealNode.InnerText);
}
foreach (XmlNode ingredientNode in ingredients)
{
selectedMeal.Ingredients.Add(ingredientNode.InnerText);
}
mealData.Add(selectedMeal);
}
//<ArrayOfSelectedIngredient>
var selectedIngredients = xmlDoc.SelectNodes("//ArrayOfSelectedIngredient/SelectedIngredient");
ingredientsData.Clear();
foreach (XmlNode xmlNode in selectedIngredients)
{
string ingredient = xmlNode.SelectSingleNode("Ingredient").InnerText;
string date = xmlNode.SelectSingleNode("DateToUse").InnerText;
var selectedIngredient = new SelectedIngredient();
selectedIngredient.Ingredient = ingredient;
selectedIngredient.DateToUse = date;
ingredientsData.Add(selectedIngredient);
}
}
catch (Exception ex)
{
MessageBox.Show("Unable to load data from server: " + ex.Message, "Failed Load", MessageBoxButton.OK, MessageBoxImage.Error);
}
return(startDate);
}
void PrintPage(object sender, PrintPageEventArgs e)
{
SelectedMealCollection colData = (SelectedMealCollection)this.FindResource("SelectedMealCollectionData");
float leftMargin = e.MarginBounds.Left;
float rightMargin = e.MarginBounds.Right;
float topMargin = e.MarginBounds.Top;
float yPos = leftMargin;
float xPos = 0;
float centrePos = 2 * (rightMargin - leftMargin) / 5;
float rightPos = 4 * (rightMargin - leftMargin) / 5;
int count = 0;
System.Drawing.Font printFont = new System.Drawing.Font("Arial", 10);
System.Drawing.SolidBrush myBrush = new System.Drawing.SolidBrush(System.Drawing.Color.Black);
// Work out the number of lines per page, using the MarginBounds.
float linesPerPage = e.MarginBounds.Height / printFont.GetHeight(e.Graphics);
float lineCount = 0;
foreach (var selectedMeal in colData)
{
// calculate the next line position based on the height of the font according to the printing device
yPos = topMargin + (count++ *printFont.GetHeight(e.Graphics));
e.Graphics.DrawString(selectedMeal.Date, printFont, myBrush, xPos, yPos);
lineCount++;
yPos = topMargin + (count++ *printFont.GetHeight(e.Graphics));
foreach (string meal in selectedMeal.Meals)
{
e.Graphics.DrawString(meal, printFont, myBrush, xPos + 20, yPos);
}
lineCount++;
if (lineCount > linesPerPage)
{
break;
}
}
lineCount = 0;
count = 0;
SelectedIngredientsCollection ingredientData = (SelectedIngredientsCollection)this.FindResource("SelectedIngredientsCollectionData");
foreach (SelectedIngredient ingredient in ingredientData)
{
// calculate the next line position based on the height of the font according to the printing device
yPos = topMargin + (count++ *printFont.GetHeight(e.Graphics));
xPos = centrePos;
if (lineCount > linesPerPage)
{
xPos = rightPos;
}
e.Graphics.DrawString(ingredient.Ingredient, printFont, myBrush, xPos, yPos);
lineCount++;
}
// If there are more lines, print another page.
if (lineCount > linesPerPage)
{
// e.HasMorePages = true;
}
else
{
e.HasMorePages = false;
myBrush.Dispose();
}
}