prs/prs.mobile.new/PRS.Mobile/Components/DigitalForms/Editor/Views/DigitalFormLookupComboBox.cs

using System;
using InABox.Core;
using InABox.Mobile;
using Xamarin.Forms;

namespace PRS.Mobile
{
    public class DigitalFormLookupComboBox : DigitalFormLookupView
    {
        private readonly Grid _grid;
        private readonly MobileCard _labelframe;
        private readonly Label _label;
        private readonly MobileButton _button;
        
        protected override void UpdateUI()
        {
            _label.Text = String.IsNullOrWhiteSpace(_value.Text) ? "Select Value" : _value.Text;
        }
        
        public DigitalFormLookupComboBox()
        {

            HeightRequest = 40;

            _grid = new Grid();
            
            _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Star });
            _grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
            
            _grid.RowDefinitions.Add(new RowDefinition() { Height = GridLength.Star });

            _labelframe = new MobileCard()
            {
                Padding = 5
            };
            _grid.Children.Add(_labelframe);
            
            _label = new Label
            {
                Text = "Select Value",
                VerticalTextAlignment = TextAlignment.Center,
                FontSize = Device.GetNamedSize(NamedSize.Small,new Label()),
                LineBreakMode = LineBreakMode.TailTruncation,
                Margin = 5
            };
            _labelframe.Content = _label;
            
            _button = new MobileButton()
            {
                WidthRequest = 35,
                Image = ImageSource.FromFile("lines")
            };
            _button.Clicked += DoLookup;
            _button.SetValue(Grid.ColumnProperty,1);
            _grid.Children.Add(_button);

            Content = _grid;
        }

        protected override void UpdateStatus()
        {
            IsEnabled = !ReadOnly || Definition.Properties.Secure;
            
            var labelcolors = DigitalFormUtils.GetColors(!IsEnabled, Definition.Properties.Required, false);
            _labelframe.BackgroundColor = labelcolors.Background;
            _labelframe.BorderColor = labelcolors.Border;
            _label.TextColor = labelcolors.Foreground;
            
            var menucolors = DigitalFormUtils.GetColors(!IsEnabled, Definition.Properties.Required, true);
            _button.BackgroundColor = menucolors.Background;
            _button.BorderColor = menucolors.Border;
            
        }
    
    }
}