private void drawGraph()
{
if (!isCutVersionOfDataTable)
{
List <string> studyKeys = pointsDict.Keys.ToList <string>();
foreach (string studyKey in studyKeys)
{
List <string> typeKeys = pointsDict[studyKey].Keys.ToList <string>();
foreach (string typeKey in typeKeys)
{
LineSeries newChart = new LineSeries();
newChart.DependentValuePath = "Y";
newChart.IndependentValuePath = "X";
newChart.Title = studyKey + " | " + typeKey;
newChart.ItemsSource = pointsDict[studyKey][typeKey];
newChart.Refresh();
Charts.Series.Add(newChart);
}
}
}
else
{
List <string> studyKeys = pointsDictForStudy.Keys.ToList <string>();
foreach (string studyKey in studyKeys)
{
LineSeries newChart = new LineSeries();
newChart.DependentValuePath = "Y";
newChart.IndependentValuePath = "X";
newChart.Title = studyKey;
newChart.ItemsSource = pointsDictForStudy[studyKey];
newChart.Refresh();
Charts.Series.Add(newChart);
}
}
}
/// <summary>
/// Called when the category setting is toggled. Adds or removes a series from the chart
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CategoryToggle_Toggled(object sender, RoutedEventArgs e)
{
// Get the name of the catefory from the toggle switch
string CategoryName = ((sender as ToggleSwitch).OnContent as string);
// Check to see if it was toggled on or off
if ((sender as ToggleSwitch).IsOn)
{
List <Expense> TempItems;
List <DateValueItem> TempChartData = new List <DateValueItem>();
LineSeries CategorySeries = new LineSeries();
Binding CategorySeriesIVBinding = new Binding();
Binding CategorySeriesDVBinding = new Binding();
Style CategoryYAxisStyle = new Style(typeof(NumericAxisLabel));
Style CategoryXAxisStyle = new Style(typeof(DateTimeAxisLabel));
Setter Hide = new Setter(VisibilityProperty, Visibility.Collapsed);
// Set the axis stule for the series
CategoryYAxisStyle.Setters.Add(Hide);
CategoryXAxisStyle.Setters.Add(Hide);
// Set the path bindings for the X and Y axis data.
CategorySeriesIVBinding.Path = new PropertyPath("Date");
CategorySeriesDVBinding.Path = new PropertyPath("Value");
// Find all the expenses for the category
if (CategoryName == "Total Expenses")
{
TempItems = Expenses;
}
else
{
TempItems = Expenses.FindAll(a => a.Category == CategoryName);
}
// Add all the expenses to a list for displaying
foreach (Expense i in TempItems)
{
TempChartData.Add(new DateValueItem {
Date = (i.Date + i.Time.TimeOfDay), Value = (int)i.Price, Id = i.Id
});
}
// Setup the series
CategorySeries.Name = CategoryName + "Series";
CategorySeries.Title = CategoryName;
CategorySeries.ItemsSource = TempChartData;
CategorySeries.IndependentValueBinding = CategorySeriesIVBinding;
CategorySeries.DependentValueBinding = CategorySeriesDVBinding;
CategorySeries.IsSelectionEnabled = true;
CategorySeries.SelectionChanged += DataPointTapped;
CategorySeries.IndependentAxis = ((ExpenseChart.Series[0] as LineSeries).IndependentAxis as DateTimeAxis);
CategorySeries.DependentRangeAxis = ((ExpenseChart.Series[0] as LineSeries).DependentRangeAxis as LinearAxis);
CategorySeries.DataPointStyle = StyleService.LargeDataPoint(StyleService.Colours[ExpenseChart.Series.Count]);
// Get the rectangle for the category to colour to match the series colour
foreach (StackPanel i in ChartSettings.Items)
{
if ((i.Children[0] as ToggleSwitch) == (sender as ToggleSwitch))
{
(i.Children[1] as Rectangle).Fill = new SolidColorBrush(StyleService.Colours[ExpenseChart.Series.Count]);
}
}
// Add the series to the chart
ExpenseChart.Series.Add(CategorySeries);
CategorySeries.Refresh();
}
// If the switch is turned off, remove the series
else
{
// Find the series for the toggle by category name and remove it
foreach (LineSeries i in ExpenseChart.Series)
{
if ((string)i.Title == CategoryName)
{
ExpenseChart.Series.Remove(i);
break;
}
}
// Find the ractangle for the category and colour it gray
foreach (StackPanel i in ChartSettings.Items)
{
if ((i.Children[0] as ToggleSwitch) == (sender as ToggleSwitch))
{
(i.Children[1] as Rectangle).Fill = new SolidColorBrush(Colors.Gray);
break;
}
}
// Recolour all the remaining line series to be the colour for they're position in the series list
foreach (LineSeries i in ExpenseChart.Series)
{
i.DataPointStyle = StyleService.LargeDataPoint(StyleService.Colours[ExpenseChart.Series.IndexOf(i)]);
foreach (StackPanel j in ChartSettings.Items)
{
if (ChartSettings.Items.IndexOf(j) > 0)
{
if (((j.Children[0] as ToggleSwitch).OnContent as string) == (i.Title as string))
{
(j.Children[1] as Rectangle).Fill = new SolidColorBrush(StyleService.Colours[ExpenseChart.Series.IndexOf(i)]);
}
}
}
}
}
}