RadioButtons.cs

using System.Collections.Generic;
using sapfewse;

namespace RoboSAPiens {
    public abstract class RadioButton: IHighlightable {
        protected bool focused;
        public abstract bool isEnabled(GuiSession session);
        public abstract void select(GuiSession session);
        public abstract void toggleHighlight(GuiSession session);
    }

    public class SAPRadioButton: RadioButton, ILabeled, ILocatable, ISelectable {
        string id;
        Position position;
        string text;
        string tooltip;
        string vLabel;

        public SAPRadioButton(GuiRadioButton radioButton) {
            this.id = radioButton.Id;
            this.position = new Position(height: radioButton.Height, 
                                         left: radioButton.ScreenLeft,
                                         top: radioButton.ScreenTop, 
                                         width: radioButton.Width);
            this.text = radioButton.Text;
            this.tooltip = radioButton.DefaultTooltip.Trim();
            this.vLabel = getVLabel(radioButton);
        }

        public List<string> getLabels()
        {
            return new List<string>
            {
                tooltip
            };
        }

        public string getVLabel(GuiRadioButton radioButton)
        {
            var leftLabel = radioButton.LeftLabel;
            
            if (leftLabel != null && leftLabel.ScreenTop < radioButton.ScreenTop)
            {
                return leftLabel.Text;
            }
            
            return "";
        }

        public Position getPosition() {
            return position;
        }

        public override bool isEnabled(GuiSession session)
        {
            var radioButton = (GuiRadioButton)session.FindById(id);
            return radioButton.Changeable;
        }

        public bool isHorizontalAlignedWithLabel(SAPLabel? label) {
            return label switch {
                SAPLabel => label.position.horizontalAlignedWith(position),
                _ => false
            };
        }

        public bool isHorizontalAlignedWithTextField(SAPTextField? textField) {
            return textField switch {
                SAPTextField => textField.position.horizontalAlignedWith(position),
                _ => false
            };
        }

        public bool isHLabeled(string label) {
            return text == label;
        }

        public bool isVLabeled(string label) {
            return vLabel.Equals(label);
        }

        public bool hasTooltip(string tooltip) {
            return this.tooltip == tooltip;
        }

        public bool isLocated(ILocator locator, LabelStore labels, TextFieldRepository textFieldLabels) {
            return locator switch {
                HLabelVLabel(var hLabel, var vLabel) =>
                    (isHorizontalAlignedWithLabel(labels.getByName(hLabel)) ||
                    isHorizontalAlignedWithTextField(textFieldLabels.getByContent(hLabel))) &&
                    isVerticalAlignedWithLabel(labels.getByName(vLabel)),
                _ => false
            };
        }

        public bool isVerticalAlignedWithLabel(SAPLabel? label) {
            return label switch {
                SAPLabel => label.position.verticalAlignedWith(position),
                _ => false
            };
        }

        public override void select(GuiSession session) {
            var guiRadioButton = (GuiRadioButton)session.FindById(id);
            guiRadioButton.Select();
        }

        public override void toggleHighlight(GuiSession session) {
            focused = !focused;
            var guiRadioButton = (GuiRadioButton)session.FindById(id);
            guiRadioButton.Visualize(focused);
        }
    }
}