Improve shared MAUI controls and tests

SacsMobileMaui/Maui/Logic/SamDateValueState.cs

@@ -0,0 +1,44 @@
+using Sarand.Net.Standard.Base.Utils;
+using System;
+
+namespace Sarand.Net.Mobile.Maui.Logic
+{
+	// --- Date value state ---
+	public sealed class SamDateValueState
+	{
+		private DateTime date = DateTime.MinValue;
+		private bool invalid = true;
+
+		public DateTime Date { get { return invalid ? DateTime.MinValue : date; } }
+		public bool IsInvalid { get { return invalid; } }
+
+		public bool SetDate(DateTime value)
+		{
+			if (Date.Equals(value)) return false;
+			if (DateUtil.IsValid(value))
+			{
+				date = value;
+				invalid = false;
+			}
+			else
+			{
+				date = DateTime.MinValue;
+				invalid = true;
+			}
+			return true;
+		}
+
+		public bool TryInvalidate(out DateTime previousDate)
+		{
+			if (invalid)
+			{
+				previousDate = DateTime.MinValue;
+				return false;
+			}
+			previousDate = date;
+			date = DateTime.MinValue;
+			invalid = true;
+			return true;
+		}
+	}
+}

SacsMobileMaui/Maui/Logic/SamEntryTextFormatOptions.cs

@@ -0,0 +1,18 @@
+using Sarand.Net.Mobile.Maui.Controls;
+using System;
+using System.Globalization;
+
+namespace Sarand.Net.Mobile.Maui.Logic
+{
+	// --- Entry text format options ---
+	public sealed class SamEntryTextFormatOptions
+	{
+		public SamEntry.TextCaseType TextCase { get; init; } = SamEntry.TextCaseType.Normal;
+		public bool NumericOnly { get; init; }
+		public byte Decimals { get; init; }
+		public bool TrimText { get; init; }
+		public TextInfo TextInfo { get; init; } = CultureInfo.CurrentCulture.TextInfo;
+
+		// --- The End ---
+	}
+}

SacsMobileMaui/Maui/Logic/SamEntryTextFormatter.cs

@@ -0,0 +1,48 @@
+using Sarand.Net.Standard.Base.Utils;
+using System;
+
+namespace Sarand.Net.Mobile.Maui.Logic
+{
+	// --- Entry text formatting ---
+	public static class SamEntryTextFormatter
+	{
+		public static String Format(String? text, SamEntryTextFormatOptions options)
+		{
+			String originalText = text ?? "";
+			String formattedText = originalText;
+			if (StringUtil.IsEmpty(formattedText)) return formattedText;
+			if (options.TrimText)
+				formattedText = StringUtil.TrimAll(formattedText);
+
+			if (options.NumericOnly)
+			{
+				if (options.Decimals > 0)
+				{
+					decimal value = StringUtil.ToDecimal(formattedText);
+					if (value != 0.0m)
+						formattedText = value.ToString("N" + options.Decimals);
+					else if (!formattedText.Equals("0"))
+						formattedText = "";
+				}
+				else
+				{
+					long value = StringUtil.ToLong(formattedText);
+					if (value != 0)
+						formattedText = value.ToString();
+					else if (!formattedText.Equals("0"))
+						formattedText = "";
+				}
+			}
+			else if (options.TextCase == Controls.SamEntry.TextCaseType.Upper)
+				formattedText = options.TextInfo.ToUpper(formattedText);
+			else if (options.TextCase == Controls.SamEntry.TextCaseType.Lower)
+				formattedText = options.TextInfo.ToLower(formattedText);
+			else if (options.TextCase == Controls.SamEntry.TextCaseType.Title)
+				formattedText = StringUtil.ToTitleCase(formattedText, options.TextInfo);
+
+			return formattedText;
+		}
+
+		// --- The End ---
+	}
+}

SacsMobileMaui/Maui/Logic/SamPickerItemCollection.cs

@@ -0,0 +1,61 @@
+using Sarand.Net.Mobile.Maui.Controls;
+using Sarand.Net.Standard.Base.Bus;
+using Sarand.Net.Standard.Base.Utils;
+using System;
+using System.Collections.Generic;
+
+namespace Sarand.Net.Mobile.Maui.Logic
+{
+	// --- Picker item collection ---
+	public sealed class SamPickerItemCollection
+	{
+		private readonly List<SamPicker.SamPickerItem> items = new List<SamPicker.SamPickerItem>();
+
+		public List<SamPicker.SamPickerItem> Items { get { return items; } }
+
+		public void Clear()
+		{
+			items.Clear();
+		}
+
+		public void Replace(IEnumerable<SamPicker.SamPickerItem> replacementItems)
+		{
+			items.Clear();
+			items.AddRange(replacementItems);
+		}
+
+		public bool ContainsId(SysId id)
+		{
+			return items.Exists(item => SysId.ToInt(item.Id) == SysId.ToInt(id));
+		}
+
+		public bool ContainsCode(String code)
+		{
+			return items.Exists(item => item.Code.EqualsCI(code));
+		}
+
+		public bool AddById(SamPicker.SamPickerItem item)
+		{
+			if (ContainsId(item.Id)) return false;
+			items.Add(item);
+			return true;
+		}
+
+		public bool AddByCode(SamPicker.SamPickerItem item)
+		{
+			if (ContainsCode(item.Code)) return false;
+			items.Add(item);
+			return true;
+		}
+
+		public SamPicker.SamPickerItem? FindById(SysId id)
+		{
+			return items.Find(item => item.Id.Equals(id));
+		}
+
+		public SamPicker.SamPickerItem? FindByCode(String code)
+		{
+			return items.Find(item => item.Code.EqualsCI(code));
+		}
+	}
+}

SacsMobileMaui/Maui/Logic/SamViewTreeUtil.cs

@@ -0,0 +1,36 @@
+using Sarand.Net.Mobile.Maui.Views;
+using Sarand.Net.Mobile.Maui.Controls;
+using System.Collections.Generic;
+
+namespace Sarand.Net.Mobile.Maui.Logic
+{
+	// --- Sam view tree operations ---
+	public static class SamViewTreeUtil
+	{
+		public static void ConfigureChildren(Element? root)
+		{
+			foreach (Element element in GetElements(root))
+				if (element is ISamView samView)
+					samView.ConfigureComponents();
+		}
+
+		public static void SetChildControlActivity(Element? root, bool enabled)
+		{
+			foreach (Element element in GetElements(root))
+			{
+				if (element is ISamView samView)
+					samView.SetControlActivity(enabled);
+				if (element is ISamControl samControl)
+					samControl.SetControlActivity(enabled);
+			}
+		}
+
+		private static IEnumerable<Element> GetElements(Element? root)
+		{
+			if (root == null) yield break;
+			yield return root;
+			foreach (Element descendant in root.GetVisualTreeDescendants())
+				yield return descendant;
+		}
+	}
+}