public ComputeCommand(FunctionsLibraryViewModel _viewModel)
{
viewModel = _viewModel;
calcData = viewModel._CalcData;
}
private void Initilizeview()
{
#region Header
titleLabel = new UILabel();
titleLabel.Text = "Functions Library";
titleLabel.Font = UIFont.FromName("Helvetica-Bold", 25f);
titleLabel.TextAlignment = UITextAlignment.Center;
descripLabel = new UILabel();
descripLabel.Text = "This sample demonstrates the calculation using various Excel-like functions.";
descripLabel.Lines = 0;
descripLabel.LineBreakMode = UILineBreakMode.WordWrap;
descripLabel.Font = UIFont.FromName("Helvetica", 12f);
#endregion
#region Functions
functionLabel = new UILabel();
functionLabel.Text = "Select a function";
functionLabel.Font = UIFont.FromName("Helvetica", 14f);
pickerTextView = new UITextField();
pickerTextView.Text = "ABS";
pickerTextView.Font = UIFont.FromName("Helvetica", 14f);
FunctionsLibraryViewModel model = new FunctionsLibraryViewModel(formulaText, pickerTextView, this);
functionsPicker = new UIPickerView();
functionsPicker.Model = model;
pickerTextView.InputView = functionsPicker;
#endregion
#region GridView
label00 = CreateLabel("");
labelA0 = CreateLabel("A");
labelB0 = CreateLabel("B");
labelC0 = CreateLabel("C");
label01 = CreateLabel("1");
label02 = CreateLabel("2");
label03 = CreateLabel("3");
label04 = CreateLabel("4");
label05 = CreateLabel("5");
textA1 = CreateTextField("32");
textB1 = CreateTextField("50");
textC1 = CreateTextField("10");
textA2 = CreateTextField("12");
textB2 = CreateTextField("24");
textC2 = CreateTextField("90");
textA3 = CreateTextField("88");
textB3 = CreateTextField("-22");
textC3 = CreateTextField("37");
textA4 = CreateTextField("73");
textB4 = CreateTextField("91");
textC4 = CreateTextField("21");
textA5 = CreateTextField("63");
textB5 = CreateTextField("29");
textC5 = CreateTextField("44");
#endregion
#region Formula
formulaLabel = new UILabel();
formulaLabel.Text = "Formula";
formulaLabel.Font = UIFont.FromName("Helvetica", 14f);
formulaText.BorderStyle = UITextBorderStyle.Line;
formulaText.Text = "=ABS(B3)";
formulaText.Font = UIFont.FromName("Helvetica", 14f);
formulaText.ResignFirstResponder();
#endregion
#region Compute
calculateButton = new UIButton();
calculateButton.SetTitle("Compute", UIControlState.Normal);
calculateButton.Layer.BorderWidth = 1;
calculateButton.Layer.CornerRadius = 4;
calculateButton.SetTitleColor(UIColor.Black, UIControlState.Highlighted);
calculateButton.BackgroundColor = UIColor.LightGray;
calculateButton.TouchUpInside += CalculateButton_TouchUpInside;
#endregion
#region Result
calculatedLabel = new UILabel();
calculatedLabel.Text = "Computed Value";
calculatedLabel.Font = UIFont.FromName("Helvetica", 14f);
layer = new CALayer()
{
BorderWidth = 1, BorderColor = UIColor.Black.CGColor
};
calculatedText = new UILabel();
calculatedText.Font = UIFont.FromName("Helvetica", 14f);
calculatedText.Layer.AddSublayer(layer);
#endregion
AddSubview(titleLabel);
AddSubview(descripLabel);
AddSubview(functionLabel);
AddSubview(pickerTextView);
AddSubview(label00);
AddSubview(labelA0);
AddSubview(labelB0);
AddSubview(labelC0);
AddSubview(label01);
AddSubview(textA1);
AddSubview(textB1);
AddSubview(textC1);
AddSubview(label02);
AddSubview(textA2);
AddSubview(textB2);
AddSubview(textC2);
AddSubview(label03);
AddSubview(textA3);
AddSubview(textB3);
AddSubview(textC3);
AddSubview(label04);
AddSubview(textA4);
AddSubview(textB4);
AddSubview(textC4);
AddSubview(label05);
AddSubview(textA5);
AddSubview(textB5);
AddSubview(textC5);
AddSubview(formulaLabel);
AddSubview(formulaText);
AddSubview(calculateButton);
AddSubview(calculatedLabel);
AddSubview(calculatedText);
}
protected override void OnAttachedTo(Picker bindable)
{
base.OnAttachedTo(bindable);
viewModel = bindable.FindByName <Grid>("_Grid").BindingContext as FunctionsLibraryViewModel;
bindable.SelectedIndexChanged += Bindable_SelectedIndexChanged;
}