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[NUI] Add IndicatorViewHandler (dotnet#518)
* Add IndicatorViewHandler * Update review comment * Add space
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52 changes: 29 additions & 23 deletions
52
src/Core/src/Handlers/IndicatorView/IndicatorViewHandler.Tizen.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,41 +1,47 @@ | ||
| using System; | ||
| using NView = Tizen.NUI.BaseComponents.View; | ||
|
|
||
| namespace Microsoft.Maui.Handlers | ||
| namespace Microsoft.Maui.Handlers | ||
| { | ||
| public partial class IndicatorViewHandler : ViewHandler<IIndicatorView, NView> | ||
| public partial class IndicatorViewHandler : ViewHandler<IIndicatorView, MauiPageControl> | ||
| { | ||
| protected override NView CreatePlatformView() => new NView | ||
| { | ||
| BackgroundColor = Tizen.NUI.Color.Red | ||
| }; | ||
| protected override MauiPageControl CreatePlatformView() => new MauiPageControl(VirtualView); | ||
|
|
||
| public static void MapCount(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.UpdateCount(); | ||
| } | ||
|
|
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| public static void MapPosition(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.UpdatePosition(); | ||
| } | ||
|
|
||
| //TODO : Need to impl | ||
| [MissingMapper] | ||
| public static void MapHideSingle(IIndicatorViewHandler handler, IIndicatorView indicator) { } | ||
|
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||
| [MissingMapper] | ||
| public static void MapMaximumVisible(IIndicatorViewHandler handler, IIndicatorView indicator) { } | ||
| public static void MapHideSingle(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.UpdateCount(); | ||
| } | ||
|
|
||
| [MissingMapper] | ||
| public static void MapIndicatorSize(IIndicatorViewHandler handler, IIndicatorView indicator) { } | ||
| public static void MapMaximumVisible(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.UpdateCount(); | ||
| } | ||
|
|
||
| [MissingMapper] | ||
| public static void MapIndicatorColor(IIndicatorViewHandler handler, IIndicatorView indicator) { } | ||
| public static void MapIndicatorSize(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.ResetIndicators(); | ||
| } | ||
|
|
||
| [MissingMapper] | ||
| public static void MapSelectedIndicatorColor(IIndicatorViewHandler handler, IIndicatorView indicator) { } | ||
| public static void MapIndicatorColor(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.ResetIndicators(); | ||
| } | ||
|
|
||
| [MissingMapper] | ||
| public static void MapIndicatorShape(IIndicatorViewHandler handler, IIndicatorView indicator) { } | ||
| public static void MapSelectedIndicatorColor(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.ResetIndicators(); | ||
| } | ||
|
|
||
| public static void MapIndicatorShape(IIndicatorViewHandler handler, IIndicatorView indicator) | ||
| { | ||
| handler.PlatformView.ResetIndicators(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,246 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using Microsoft.Maui.Graphics; | ||
| using Tizen.UIExtensions.Common; | ||
| using Tizen.UIExtensions.NUI; | ||
| using Tizen.UIExtensions.NUI.GraphicsView; | ||
| using NExtents = Tizen.NUI.Extents; | ||
| using NLayoutParamPolicies = Tizen.NUI.BaseComponents.LayoutParamPolicies; | ||
| using NLinearLayout = Tizen.NUI.LinearLayout; | ||
| using NPointStateType = Tizen.NUI.PointStateType; | ||
| using NSize = Tizen.NUI.Size; | ||
| using NView = Tizen.NUI.BaseComponents.View; | ||
| using TSize = Tizen.UIExtensions.Common.Size; | ||
|
|
||
| namespace Microsoft.Maui.Platform | ||
| { | ||
| public class MauiPageControl : ViewGroup, IMeasurable | ||
| { | ||
| const double DefaultMargin = 4; | ||
|
|
||
| IIndicatorView _indicatorView; | ||
| IPlatformViewHandler? _templatedViewHandler; | ||
| ILayout? _templatedView; | ||
| NView? _contentView; | ||
|
|
||
| List<Indicator> _indicators = new List<Indicator>(); | ||
| int _currentPoistion = -1; | ||
|
|
||
| public MauiPageControl(IIndicatorView view) | ||
| { | ||
| _indicatorView = view; | ||
| LayoutUpdated += OnLayoutUpdated; | ||
| } | ||
|
|
||
| bool UseDefaultIndicator { get; set; } | ||
|
|
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| double IndicatorSizeWithMargin => IndicatorSize + DefaultMargin * 2; | ||
|
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| double IndicatorSize => _indicatorView.IndicatorSize; | ||
|
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| public void ResetIndicators() | ||
| { | ||
| ClearIndicatorView(); | ||
| if ((_indicatorView as ITemplatedIndicatorView)?.IndicatorsLayoutOverride == null) | ||
| { | ||
| CreateDefaultView(); | ||
| } | ||
| else | ||
| { | ||
| CreateTemplatedView(); | ||
| } | ||
| this.InvalidateMeasure(_indicatorView); | ||
| } | ||
|
|
||
| public void UpdatePosition() | ||
| { | ||
| if (!UseDefaultIndicator) | ||
| return; | ||
|
|
||
| UpdateIndicatorColor(_currentPoistion, _indicatorView.IndicatorColor); | ||
| _currentPoistion = _indicatorView.Position; | ||
| UpdateIndicatorColor(_currentPoistion, _indicatorView.SelectedIndicatorColor); | ||
| } | ||
|
|
||
| public void UpdateCount() | ||
| { | ||
| if (!UseDefaultIndicator || _contentView == null) | ||
| return; | ||
|
|
||
| var count = Math.Min(_indicatorView.Count, _indicatorView.MaximumVisible); | ||
| var diff = _indicators.Count - count; | ||
| var needIncrease = diff < 0; | ||
|
|
||
| diff = Math.Abs(diff); | ||
| for (int i = 0; i < diff; i++) | ||
| { | ||
| if (needIncrease) | ||
| IncreaseIndicator(); | ||
| else | ||
| DecreaseIndicator(); | ||
| } | ||
| UpdatePosition(); | ||
| } | ||
|
|
||
| public TSize Measure(double availableWidth, double availableHeight) | ||
| { | ||
| if (UseDefaultIndicator) | ||
| { | ||
| return new TSize(IndicatorSizeWithMargin.ToScaledPixel() * _indicators.Count, IndicatorSizeWithMargin.ToScaledPixel()); | ||
| } | ||
| else | ||
| { | ||
| return _templatedView?.CrossPlatformMeasure(availableWidth.ToScaledDP(), availableHeight.ToScaledDP()).ToPixel() ?? new TSize(0, 0); | ||
| } | ||
| } | ||
|
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||
| void UpdateIndicatorColor(int position, Paint? color) | ||
| { | ||
| if (position < 0 || position >= _indicators.Count) | ||
| return; | ||
|
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| _indicators[position].Drawable.Background = color; | ||
| _indicators[position].Invalidate(); | ||
| } | ||
|
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| void CreateTemplatedView() | ||
| { | ||
| UseDefaultIndicator = false; | ||
| var layout = (_indicatorView as ITemplatedIndicatorView)?.IndicatorsLayoutOverride; | ||
| if (layout == null || _indicatorView?.Handler?.MauiContext == null) | ||
| return; | ||
| _contentView = layout.ToPlatform(_indicatorView.Handler.MauiContext); | ||
| _templatedView = layout; | ||
| _templatedViewHandler = layout.Handler as IPlatformViewHandler; | ||
|
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||
| _contentView.WidthSpecification = NLayoutParamPolicies.MatchParent; | ||
| _contentView.HeightSpecification = NLayoutParamPolicies.MatchParent; | ||
| Children.Add(_contentView); | ||
| } | ||
|
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||
| void CreateDefaultView() | ||
| { | ||
| UseDefaultIndicator = true; | ||
| _contentView = new NView | ||
| { | ||
| WidthSpecification = NLayoutParamPolicies.MatchParent, | ||
| HeightSpecification = NLayoutParamPolicies.MatchParent, | ||
| Layout = new NLinearLayout | ||
| { | ||
| LinearOrientation = NLinearLayout.Orientation.Horizontal, | ||
| } | ||
| }; | ||
| Children.Add(_contentView); | ||
|
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| _currentPoistion = _indicatorView.Position; | ||
|
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||
| if (_indicatorView.Count == 1 && _indicatorView.HideSingle) | ||
| return; | ||
|
|
||
| var count = Math.Min(_indicatorView.Count, _indicatorView.MaximumVisible); | ||
|
|
||
| for (int i = 0; i < count; i++) | ||
| { | ||
| var indicator = CreateIndicator((i == _indicatorView.Position) ? _indicatorView.SelectedIndicatorColor : _indicatorView.IndicatorColor); | ||
| _contentView.Add(indicator); | ||
| _indicators.Add(indicator); | ||
| } | ||
| } | ||
|
|
||
| Indicator CreateIndicator(Paint? color) | ||
| { | ||
| var indicator = new Indicator() | ||
| { | ||
| Margin = new NExtents((ushort)DefaultMargin.ToScaledPixel()), | ||
| Size = new NSize(IndicatorSize.ToScaledPixel(), IndicatorSize.ToScaledPixel()) | ||
| }; | ||
| indicator.Drawable.Shape = _indicatorView.IndicatorsShape; | ||
| indicator.Drawable.Background = color; | ||
| indicator.TouchEvent += OnIndicatorTouch; | ||
|
|
||
| return indicator; | ||
| } | ||
|
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||
| void ClearIndicatorView() | ||
| { | ||
| Children.Clear(); | ||
|
|
||
| if (_templatedViewHandler != null) | ||
| { | ||
| _templatedViewHandler.Dispose(); | ||
| _templatedViewHandler = null; | ||
| _templatedView = null; | ||
| } | ||
| else | ||
| { | ||
| _contentView?.Dispose(); | ||
| } | ||
| _contentView = null; | ||
|
|
||
| foreach (var view in _indicators) | ||
| { | ||
| view.Dispose(); | ||
| } | ||
| _indicators.Clear(); | ||
| } | ||
|
|
||
| void DecreaseIndicator() | ||
| { | ||
| if (_contentView == null) | ||
| return; | ||
|
|
||
| var indicator = _indicators[_indicators.Count - 1]; | ||
| _contentView.Remove(indicator); | ||
| _indicators.Remove(indicator); | ||
| indicator.Dispose(); | ||
| } | ||
|
|
||
| void IncreaseIndicator() | ||
| { | ||
| if (_contentView == null) | ||
| return; | ||
|
|
||
| var indicator = CreateIndicator(_indicators.Count == _indicatorView.Position ? _indicatorView.SelectedIndicatorColor : _indicatorView.IndicatorColor); | ||
| _contentView.Add(indicator); | ||
| _indicators.Add(indicator); | ||
| } | ||
|
|
||
| bool OnIndicatorTouch(object source, TouchEventArgs e) | ||
| { | ||
| if (e.Touch.GetState(0) == NPointStateType.Up && source is Indicator indicator) | ||
| { | ||
| var touchPosition = e.Touch.GetLocalPosition(0); | ||
| if (0 < touchPosition.X && touchPosition.X < indicator.SizeWidth | ||
| && 0 < touchPosition.Y && touchPosition.Y < indicator.SizeHeight) | ||
| { | ||
| var position = _indicators.IndexOf(indicator); | ||
| if (position != -1) | ||
| { | ||
| _indicatorView.Position = position; | ||
| } | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
|
||
| void OnLayoutUpdated(object? sender, LayoutEventArgs e) | ||
| { | ||
| if (UseDefaultIndicator || _templatedView == null) | ||
| return; | ||
|
|
||
| var platformGeometry = this.GetBounds().ToDP(); | ||
| _templatedView.CrossPlatformMeasure(platformGeometry.Width, platformGeometry.Height); | ||
|
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| platformGeometry.X = 0; | ||
| platformGeometry.Y = 0; | ||
| _templatedView.CrossPlatformArrange(platformGeometry); | ||
| } | ||
|
|
||
| class Indicator : SkiaGraphicsView | ||
| { | ||
| public Indicator() : base(new MauiDrawable()) { } | ||
|
|
||
| public new MauiDrawable Drawable => (MauiDrawable)base.Drawable!; | ||
| } | ||
| } | ||
| } |
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