Migrate FlowListView to Maui

DLToolkit.Maui.Controls.FlowListView/DLToolkit.Maui.Controls.FlowListView.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net7.0;</TargetFrameworks>
+		<!--<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net7.0-windows10.0.19041.0</TargetFrameworks>-->
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net7.0-tizen</TargetFrameworks> -->
+		<UseMaui>true</UseMaui>
+		<ProjectType>Library</ProjectType>
+		<ImplicitUsings>enable</ImplicitUsings>
+
+		<!--<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>-->
+	</PropertyGroup>
+
+</Project>

DLToolkit.Maui.Controls.FlowListView/DLToolkit.Maui.Controls.FlowListView.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.4.33110.190
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DLToolkit.Maui.Controls.FlowListView", "DLToolkit.Maui.Controls.FlowListView.csproj", "{C515707C-0F5F-4DB6-AB57-BA47C526992E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C515707C-0F5F-4DB6-AB57-BA47C526992E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C515707C-0F5F-4DB6-AB57-BA47C526992E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C515707C-0F5F-4DB6-AB57-BA47C526992E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C515707C-0F5F-4DB6-AB57-BA47C526992E}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CEDB42AE-1F4A-49EC-A38D-A3B1C12C3974}
+	EndGlobalSection
+EndGlobal

DLToolkit.Maui.Controls.FlowListView/Epsilon.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace DLToolkit.Maui.Controls.FlowListView
+{
+    [Helpers.Preserve(AllMembers = true)]
+    internal struct Epsilon
+    {
+        public const double DoubleValue = 2.22044604925031E-16;
+    }
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowCells/FlowGridCell.cs

@@ -0,0 +1,27 @@
+using System;
+using Microsoft.Maui.Controls;
+
+namespace DLToolkit.Maui.Controls.FlowListView.FlowCells
+{
+	/// <summary>
+	/// FlowListView grid cell.
+	/// </summary>
+	[Helpers.Preserve(AllMembers = true)]
+    public class FlowGridCell : Grid, IFlowViewCell
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="DLToolkit.Maui.Controls.FlowListView.FlowGridCell"/> class.
+		/// </summary>
+		public FlowGridCell()
+		{
+		}
+
+		/// <summary>
+		/// Raised when cell is tapped.
+		/// </summary>
+		public virtual void OnTapped()
+		{
+		}
+	}
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowCells/FlowScrollCell.cs

@@ -0,0 +1,27 @@
+using System;
+using Microsoft.Maui.Controls;
+
+namespace DLToolkit.Maui.Controls.FlowListView.FlowCells
+{
+	/// <summary>
+	/// FlowListView scroll cell.
+	/// </summary>
+	[Helpers.Preserve(AllMembers = true)]
+    public class FlowScrollCell : ScrollView, IFlowViewCell
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="DLToolkit.Maui.Controls.FlowListView.FlowScrollCell"/> class.
+		/// </summary>
+		public FlowScrollCell()
+		{
+		}
+
+		/// <summary>
+		/// Raised when cell is tapped.
+		/// </summary>
+		public virtual void OnTapped()
+		{
+		}
+	}
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowCells/FlowStackCell.cs

@@ -0,0 +1,27 @@
+using System;
+using Microsoft.Maui.Controls;
+
+namespace DLToolkit.Maui.Controls.FlowListView.FlowCells
+{
+	/// <summary>
+	/// FlowListView stack cell.
+	/// </summary>
+	[Helpers.Preserve(AllMembers = true)]
+    public class FlowStackCell : StackLayout, IFlowViewCell
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="DLToolkit.Maui.Controls.FlowListView.FlowStackCell"/> class.
+		/// </summary>
+		public FlowStackCell()
+		{
+		}
+
+		/// <summary>
+		/// Raised when cell is tapped.
+		/// </summary>
+		public virtual void OnTapped()
+		{
+		}
+	}
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowCells/FlowViewCell.cs

@@ -0,0 +1,27 @@
+using System;
+using Microsoft.Maui.Controls;
+
+namespace DLToolkit.Maui.Controls.FlowListView.FlowCells
+{
+	/// <summary>
+	/// FlowListView content view cell.
+	/// </summary>
+	[Helpers.Preserve(AllMembers = true)]
+    public class FlowViewCell : ContentView, IFlowViewCell
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="DLToolkit.Maui.Controls.FlowListView.FlowViewCell"/> class.
+		/// </summary>
+		public FlowViewCell()
+		{
+		}
+
+		/// <summary>
+		/// Raised when cell is tapped.
+		/// </summary>
+		public virtual void OnTapped()
+		{
+		}
+	}
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowCells/IFlowViewCell.cs

@@ -0,0 +1,18 @@
+using System;
+using Microsoft.Maui.Controls;
+
+namespace DLToolkit.Maui.Controls.FlowListView.FlowCells
+{
+	/// <summary>
+	/// IFlowViewCell.
+	/// </summary>
+	[Helpers.Preserve(AllMembers = true)]
+    public interface IFlowViewCell
+	{
+		/// <summary>
+		/// Raised when cell is tapped.
+		/// </summary>
+		void OnTapped();
+	}
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowColumnExpand.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace DLToolkit.Maui.Controls.FlowListView
+{
+    /// <summary>
+    /// FlowListView column expand mode.
+    /// </summary>
+    [Helpers.Preserve(AllMembers = true)]
+    public enum FlowColumnExpand
+    {
+        /// <summary>
+        /// None (default)
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Only first column is expanded
+        /// </summary>
+        First,
+
+        /// <summary>
+        /// Only last column is expanded
+        /// </summary>
+        Last,
+
+        /// <summary>
+        /// Columns are expanded proportionally
+        /// </summary>
+        Proportional,
+
+        /// <summary>
+        /// Columns are expanded proportionally
+        /// First column expand more to keep columns parallel
+        /// </summary>
+        ProportionalFirst,
+
+        /// <summary>
+        /// Columns are expanded proportionally
+        /// Last column expand more to keep columns parallel
+        /// </summary>
+        ProportionalLast,
+    }
+}
+

DLToolkit.Maui.Controls.FlowListView/FlowDataTemplateSelector.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections;
+using System.Linq;
+using Microsoft.Maui.Controls;
+
+namespace DLToolkit.Maui.Controls.FlowListView
+{
+    [Helpers.Preserve(AllMembers = true)]
+    public class FlowDataTemplateSelector : DataTemplateSelector
+    {
+        readonly WeakReference<FlowListView> _flowListViewRef;
+
+        private readonly DataTemplate _defaultTemplate;
+
+        public FlowDataTemplateSelector(WeakReference<FlowListView> flowListViewRef)
+        {
+            _flowListViewRef = flowListViewRef;
+            _defaultTemplate = new DataTemplate(() => new FlowListViewInternalCell(flowListViewRef));
+        }
+
+        protected override DataTemplate OnSelectTemplate(object item, BindableObject container)
+        {
+            if (item is IFlowLoadingModel)
+            {
+                if (_flowListViewRef.TryGetTarget(out FlowListView flowListView))
+                {
+                    return flowListView.FlowLoadingTemplate;
+                }
+            }
+            else if (item is IFlowEmptyModel)
+            {
+                if (_flowListViewRef.TryGetTarget(out FlowListView flowListView))
+                {
+                    return flowListView.FlowEmptyTemplate;
+                }
+            }
+
+            return _defaultTemplate;
+        }
+    }
+}

DLToolkit.Maui.Controls.FlowListView/FlowGroup.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.ObjectModel;
+
+namespace DLToolkit.Maui.Controls.FlowListView
+{
+    [Helpers.Preserve(AllMembers = true)]
+    internal class FlowGroup : FlowObservableCollection<object>
+    {
+        public object Key { get; private set; }
+
+        public object Model { get; private set; }
+
+        public FlowGroup(object key, object model)
+        {
+            Key = key;
+            Model = model;
+        }
+    }
+}

DLToolkit.Maui.Controls.FlowListView/FlowGroupColumn.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.ObjectModel;
+
+namespace DLToolkit.Maui.Controls.FlowListView
+{
+    [Helpers.Preserve(AllMembers = true)]
+    internal class FlowGroupColumn : FlowObservableCollection<object>
+    {
+        public int ColumnCount { get; set; }
+
+        public bool ForceInvalidateColumns { get; set; }
+
+        public FlowGroupColumn(int columnCount)
+        {
+            ColumnCount = columnCount;
+        }
+    }
+}