/// <summary>
/// Initializes a new instance of the <see cref="PolyFunctionVMContainer"/> class.
/// </summary>
/// <param name="polyFunction"> The <see cref="PolyFunctionVM"/>. </param>
public PolyFunctionVMContainer(PolyFunctionVM polyFunction)
{
this.Opacity = polyFunction.Opacity;
this.StrokeThickness = polyFunction.StrokeThickness;
this.FunctionColor = polyFunction.FunctionColor;
this.PolyFunction = polyFunction.Model;
}
/// <summary>
/// This method adds saved functions to the current lists.
/// </summary>
/// <param name="c"> The container file. </param>
public void AddSavedFunctionsToList(ContainerFileForSerealization c)
{
while (this.PolyFunctions.Count != 0)
{
this.PolyFunctions.RemoveAt(0);
}
while (this.TrigFunctions.Count != 0)
{
this.TrigFunctions.RemoveAt(0);
}
foreach (var item in c.TrigFunctions)
{
var vm = new TrigFunctionVM(item, this.removeCommand);
vm.GetPolyline(this.SmallestXValueGrid, this.BigestXValueGrid, this.SmallestYValueGrid, this.BigestYValueGrid);
vm.OnTrigFunctionChanged += this.DrawNewPolyLineForTrigFunction;
this.TrigFunctions.Add(vm);
}
foreach (var item in c.PolyFunctions)
{
var polyFunction = new PolyFunction(item.ParameterList);
var vm = new PolyFunctionVM(polyFunction, this.removeCommandPoly);
vm.GetPolyline(this.SmallestXValueGrid, this.BigestXValueGrid, this.SmallestYValueGrid, this.BigestYValueGrid);
vm.OnPolyFunctionChanged += this.DrawNewPolyLineForPolyFunction;
this.PolyFunctions.Add(vm);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PolyFunctionVM"/> class.
/// </summary>
/// <param name="polyFunction"> The model of the <see cref="PolyFunction"/>. </param>
/// <param name="removeCommand"> The remove command. </param>
public PolyFunctionVM(PolyFunction polyFunction, ICommand removeCommand)
{
this.points = new PointCollection();
this.Model = polyFunction;
this.Values = polyFunction.ParameterList;
this.removeCommand = removeCommand;
this.opacity = 1;
this.strokeThickness = 1;
this.functionColor = Colors.Red;
this.Brush = new SolidColorBrush();
this.Brush.Color = this.functionColor;
}
/// <summary>
/// Initializes a new instance of the <see cref="PolyFunctionVM"/> class.
/// </summary>
/// <param name="polyFunctionVMContainer"> The container for the <see cref="PolyFunction"/>. </param>
/// <param name="removeCommand"> The remove command. </param>
public PolyFunctionVM(PolyFunctionVMContainer polyFunctionVMContainer, ICommand removeCommand)
{
this.points = new PointCollection();
this.Model = polyFunctionVMContainer.PolyFunction;
this.Name = polyFunctionVMContainer.PolyFunction.Name;
this.Values = polyFunctionVMContainer.PolyFunction.ParameterList;
this.removeCommand = removeCommand;
this.opacity = polyFunctionVMContainer.Opacity;
this.strokeThickness = polyFunctionVMContainer.StrokeThickness;
this.functionColor = polyFunctionVMContainer.FunctionColor;
this.Brush = new SolidColorBrush();
this.Brush.Color = this.functionColor;
}
private static string CreatePolyExpression(
int dimension,
ParameterCollection coefficients,
List <string> variables,
EvaluationContext context)
{
if (coefficients.Count == 1 && coefficients[0] is PointParameter pp)
{
var result = PolyFunction.GetExpression(
dimension,
pp.Values.Items.Select(c => context.Evaluate(c.Image)).ToList(),
variables);
return(result);
}
else
{
var result = PolyFunction.GetExpression(
dimension,
coefficients.Select(c => context.Evaluate(c.Image)).ToList(),
variables);
return(result);
}
}
