public ActionLayout(CalculatorBase calc, CalculatorHost application)
: this()
{
_calc = calc;
_app = application;
this.Title.Text = calc.Name;
foreach (Operation op in calc.Operations)
{
Button b = new Button();
b.Tag = op;
b.Content = op.Name;
b.Click += new RoutedEventHandler(b_Click);
Actions.Children.Add(b);
}
ValidateButtons(application.Stack.Items.Count);
application.StackChanged += _stackChangedHandler;
}
internal void Operate(CalculatorBase calc, Operation op)
{
double[] operands = new double[op.NumOperands];
for (int i = 0; i < op.NumOperands; i++)
{
ListViewItem item = (ListViewItem)Stack.Items[0];
operands[i] = double.Parse(item.Content.ToString());
Stack.Items.RemoveAt(0);
}
if (typeof(Calculator).IsAssignableFrom(calc.GetType()))
{
double result = ((Calculator)calc).Operate(op, operands);
ListViewItem newItem = new ListViewItem();
newItem.Content = result;
Stack.Items.Insert(0, newItem);
}
else
{
UIElement visual = ((VisualCalculator)calc).Operate(op, operands);
CalculatorVisual.Children.Clear();
CalculatorVisual.Children.Add(visual);
}
UpdateStack();
}
void UnloadAddIn(CalculatorBase calc)
{
ActionLayout calcsAl = null;
foreach (ActionLayout al in Actions.Items)
{
if (al.Calculator.Equals(calc))
{
calcsAl = al;
break;
}
}
calcsAl.Calculator = null;
Actions.Items.Remove(calcsAl);
_calcs.Remove(calc);
CalculatorVisual.Children.Clear();
}
void InitAddIn(CalculatorBase calc, bool addMenu)
{
Actions.Items.Add(new ActionLayout(calc, this));
if (addMenu)
{
CheckBox cb = new CheckBox();
cb.Content = calc.Name;
cb.IsChecked = true;
cb.Tag = calc;
cb.Checked += new RoutedEventHandler(cb_Checked);
cb.Unchecked += new RoutedEventHandler(cb_Unchecked);
this.AddInMenuList.Items.Add(cb);
}
}