mirror of
https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-10 16:43:29 +08:00
refactor(module: select): use Func to get or set value instead of reflection (#1168)
* refactor(module: select): use Func to get or set value instead of reflection * refactor(module: select): add delegate cache * chore: add DelegateCacheKeyComparer Co-authored-by: James Yeung <shunjiey@hotmail.com>
This commit is contained in:
parent
4065869806
commit
0f6702b5ed
@ -38,10 +38,32 @@ namespace AntDesign
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}
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}
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}
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}
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[Parameter] public bool Disabled { get; set; }
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[Parameter] public bool Disabled { get; set; }
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[Parameter] public string DisabledName { get; set; }
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[Parameter]
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public string DisabledName
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{
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get => _disabledName;
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set
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{
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_getDisabled = string.IsNullOrWhiteSpace(value) ? null : SelectItemPropertyHelper.CreateGetDisabledFunc<TItem>(value);
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_disabledName = value;
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}
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}
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[Parameter] public Func<RenderFragment, RenderFragment> DropdownRender { get; set; }
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[Parameter] public Func<RenderFragment, RenderFragment> DropdownRender { get; set; }
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[Parameter] public bool EnableSearch { get; set; }
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[Parameter] public bool EnableSearch { get; set; }
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[Parameter] public string GroupName { get; set; } = string.Empty;
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[Parameter]
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public string GroupName
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{
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get => _groupName;
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set
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{
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_getGroup = string.IsNullOrWhiteSpace(value) ? null : SelectItemPropertyHelper.CreateGetGroupFunc<TItem>(value);
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_groupName = value;
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}
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}
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[Parameter] public bool HideSelected { get; set; }
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[Parameter] public bool HideSelected { get; set; }
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[Parameter] public bool IgnoreItemChanges { get; set; } = true;
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[Parameter] public bool IgnoreItemChanges { get; set; } = true;
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[Parameter] public RenderFragment<TItem> ItemTemplate { get; set; }
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[Parameter] public RenderFragment<TItem> ItemTemplate { get; set; }
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@ -51,7 +73,18 @@ namespace AntDesign
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/// </summary>
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/// </summary>
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[Parameter] public bool LabelInValue { get; set; }
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[Parameter] public bool LabelInValue { get; set; }
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[Parameter] public string LabelName { get; set; }
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[Parameter]
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public string LabelName
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{
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get => _labelName;
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set
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{
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_getLabel = SelectItemPropertyHelper.CreateGetLabelFunc<TItem>(value);
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_setLabel = SelectItemPropertyHelper.CreateSetLabelFunc<TItem>(value);
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_labelName = value;
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}
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}
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[Parameter] public RenderFragment<TItem> LabelTemplate { get; set; }
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[Parameter] public RenderFragment<TItem> LabelTemplate { get; set; }
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[Parameter] public bool Loading { get; set; }
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[Parameter] public bool Loading { get; set; }
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[Parameter] public string Mode { get; set; } = "default";
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[Parameter] public string Mode { get; set; } = "default";
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@ -86,7 +119,19 @@ namespace AntDesign
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[Parameter] public RenderFragment PrefixIcon { get; set; }
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[Parameter] public RenderFragment PrefixIcon { get; set; }
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[Parameter] public char[] TokenSeparators { get; set; }
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[Parameter] public char[] TokenSeparators { get; set; }
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[Parameter] public override EventCallback<TItemValue> ValueChanged { get; set; }
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[Parameter] public override EventCallback<TItemValue> ValueChanged { get; set; }
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[Parameter] public string ValueName { get; set; }
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[Parameter]
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public string ValueName
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{
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get => _valueName;
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set
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{
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_getValue = SelectItemPropertyHelper.CreateGetValueFunc<TItem, TItemValue>(value);
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_setValue = SelectItemPropertyHelper.CreateSetValueFunc<TItem, TItemValue>(value);
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_valueName = value;
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}
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}
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[Parameter] public EventCallback<IEnumerable<TItemValue>> ValuesChanged { get; set; }
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[Parameter] public EventCallback<IEnumerable<TItemValue>> ValuesChanged { get; set; }
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/// <summary>
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/// <summary>
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@ -340,7 +385,28 @@ namespace AntDesign
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}
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}
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}
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}
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private string _labelName;
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private Func<TItem, string> _getLabel;
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private Action<TItem, string> _setLabel;
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private string _groupName = string.Empty;
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private Func<TItem, string> _getGroup;
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private string _disabledName;
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private Func<TItem, bool> _getDisabled;
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private string _valueName;
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private Func<TItem, TItemValue> _getValue;
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private Action<TItem, TItemValue> _setValue;
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#endregion Properties
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#endregion Properties
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private static bool IsSimpleType(Type type)
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private static bool IsSimpleType(Type type)
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{
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{
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return
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return
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@ -462,7 +528,7 @@ namespace AntDesign
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foreach (var item in _datasource)
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foreach (var item in _datasource)
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{
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{
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TItemValue value = GetPropertyValueAsTItemValue(item, ValueName);
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TItemValue value = _getValue(item);
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var exists = false;
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var exists = false;
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SelectOptionItem<TItemValue, TItem> selectOption;
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SelectOptionItem<TItemValue, TItem> selectOption;
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@ -481,13 +547,13 @@ namespace AntDesign
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var disabled = false;
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var disabled = false;
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var groupName = string.Empty;
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var groupName = string.Empty;
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var label = GetPropertyValueAsObject(item, LabelName)?.ToString();
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var label = _getLabel(item);
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if (!string.IsNullOrWhiteSpace(DisabledName))
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if (!string.IsNullOrWhiteSpace(DisabledName))
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disabled = (bool)GetPropertyValueAsObject(item, DisabledName);
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disabled = _getDisabled(item);
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if (!string.IsNullOrWhiteSpace(GroupName))
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if (!string.IsNullOrWhiteSpace(GroupName))
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groupName = GetPropertyValueAsObject(item, GroupName)?.ToString();
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groupName = _getGroup(item);
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if (!exists)
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if (!exists)
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{
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{
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@ -1001,8 +1067,8 @@ namespace AntDesign
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else
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else
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{
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{
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item = Activator.CreateInstance<TItem>();
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item = Activator.CreateInstance<TItem>();
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typeof(TItem).GetProperty(LabelName).SetValue(item, _searchValue);
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_setLabel(item, _searchValue);
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typeof(TItem).GetProperty(ValueName).SetValue(item, value);
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_setValue(item, value);
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}
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}
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return new SelectOptionItem<TItemValue, TItem>() { Label = label, Value = value, Item = item, IsActive = isActive, IsSelected = false, IsAddedTag = true };
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return new SelectOptionItem<TItemValue, TItem>() { Label = label, Value = value, Item = item, IsActive = isActive, IsSelected = false, IsAddedTag = true };
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}
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}
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@ -1086,22 +1152,6 @@ namespace AntDesign
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await _dropDown.GetOverlayComponent().UpdatePosition();
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await _dropDown.GetOverlayComponent().UpdatePosition();
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}
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}
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private static object GetPropertyValueAsObject(object obj, string propertyName)
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{
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return obj.GetType().GetProperties()
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.Single(p => p.Name == propertyName)
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.GetValue(obj, null);
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}
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private static TItemValue GetPropertyValueAsTItemValue(object obj, string propertyName)
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{
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var result = obj.GetType().GetProperties()
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.Single(p => p.Name == propertyName)
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.GetValue(obj, null);
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return (TItemValue)TypeDescriptor.GetConverter(typeof(TItemValue)).ConvertFromInvariantString(result.ToString());
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}
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#region Events
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#region Events
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/// <summary>
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/// <summary>
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@ -1398,8 +1448,8 @@ namespace AntDesign
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}
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}
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else
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else
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{
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{
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typeof(TItem).GetProperty(LabelName).SetValue(CustomTagSelectOptionItem.Item, _searchValue);
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_setLabel(CustomTagSelectOptionItem.Item, _searchValue);
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typeof(TItem).GetProperty(ValueName).SetValue(CustomTagSelectOptionItem.Item, value);
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_setValue(CustomTagSelectOptionItem.Item, value);
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}
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}
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}
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}
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}
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}
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224
components/select/internal/SelectItemPropertyHelper.cs
Normal file
224
components/select/internal/SelectItemPropertyHelper.cs
Normal file
@ -0,0 +1,224 @@
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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using System.Reflection;
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namespace AntDesign.Select.Internal
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{
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internal static class SelectItemPropertyHelper
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{
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private const string ToStringMethodName = "ToString";
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private const string Nullable_HasValue = "HasValue";
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private const string Nullable_Value = "Value";
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private static readonly ConcurrentDictionary<DelegateCacheKey, Delegate> _getValueDelegateCache = new(new DelegateCacheKeyComparer());
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private static readonly ConcurrentDictionary<DelegateCacheKey, Delegate> _setValuedDelegateCache = new(new DelegateCacheKeyComparer());
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internal static Func<TItem, TItemValue> CreateGetValueFunc<TItem, TItemValue>(string valueName)
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{
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var key = new DelegateCacheKey(typeof(TItem), typeof(TItemValue), valueName);
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var func = _getValueDelegateCache.GetOrAdd(
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key,
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_ =>
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{
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var itemParamExp = Expression.Parameter(typeof(TItem));
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var labelExp = Expression.Property(itemParamExp, valueName);
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var labelPropType = (labelExp.Member as PropertyInfo)?.PropertyType ?? throw new InvalidOperationException($"Member '{valueName}' should be Property");
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if (labelPropType.IsClass)
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{
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var funExp = Expression.Lambda<Func<TItem, TItemValue>>(labelExp, itemParamExp);
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return funExp.Compile();
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}
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var labelIsNullable = labelPropType.IsValueType && Nullable.GetUnderlyingType(labelPropType) != null;
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if (labelIsNullable)
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{
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var test = Expression.IsTrue(Expression.Property(labelExp, Nullable_HasValue));
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var trueResult = Expression.Convert(Expression.Property(labelExp, Nullable_Value), labelExp.Type);
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var falseResult = Expression.Constant(null, labelExp.Type);
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var resultExp = Expression.Condition(test, trueResult, falseResult);
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var funExp = Expression.Lambda<Func<TItem, TItemValue>>(resultExp, itemParamExp);
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return funExp.Compile();
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}
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else
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{
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var valueIsNullable = typeof(TItemValue).IsValueType && Nullable.GetUnderlyingType(typeof(TItemValue)) != null;
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Expression valueExp = valueIsNullable ? Expression.New(typeof(Nullable<>).MakeGenericType(labelExp.Type).GetConstructors()[0], labelExp) : labelExp;
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var funExp = Expression.Lambda<Func<TItem, TItemValue>>(valueExp, itemParamExp);
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return funExp.Compile();
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}
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});
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return (Func<TItem, TItemValue>)func;
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}
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internal static Func<TItem, string> CreateGetLabelFunc<TItem>(string labelName)
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{
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var key = new DelegateCacheKey(typeof(TItem), typeof(string), labelName);
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var func = _getValueDelegateCache.GetOrAdd(
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key,
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_ =>
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{
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var itemParamExp = Expression.Parameter(typeof(TItem));
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var labelExp = Expression.Property(itemParamExp, labelName);
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var labelPropType = (labelExp.Member as PropertyInfo)?.PropertyType ?? throw new InvalidOperationException($"Member '{labelName}' should be Property");
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if (labelPropType == typeof(string))
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{
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var funExp = Expression.Lambda<Func<TItem, string>>(labelExp, itemParamExp);
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return funExp.Compile();
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}
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else
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{
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var resultExp = Expression.Call(labelExp, labelPropType.GetMethod(ToStringMethodName) ?? throw new MissingMethodException(labelPropType.Name, ToStringMethodName));
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var funExp = Expression.Lambda<Func<TItem, string>>(resultExp, itemParamExp);
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return funExp.Compile();
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}
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});
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return (Func<TItem, string>)func;
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}
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internal static Func<TItem, string> CreateGetGroupFunc<TItem>(string groupName)
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{
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var key = new DelegateCacheKey(typeof(TItem), typeof(string), groupName);
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var func = _getValueDelegateCache.GetOrAdd(
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key,
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_ =>
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{
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var itemParamExp = Expression.Parameter(typeof(TItem));
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var groupExp = Expression.Property(itemParamExp, groupName);
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var groupPropType = (groupExp.Member as PropertyInfo)?.PropertyType ?? throw new InvalidOperationException($"Member '{groupName}' should be Property");
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if (groupPropType == typeof(string))
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{
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var funExp = Expression.Lambda<Func<TItem, string>>(groupExp, itemParamExp);
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return funExp.Compile();
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}
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else
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{
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var resultExp = Expression.Call(groupExp, groupPropType.GetMethod(ToStringMethodName) ?? throw new MissingMethodException(groupPropType.Name, ToStringMethodName));
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var funExp = Expression.Lambda<Func<TItem, string>>(resultExp, itemParamExp);
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return funExp.Compile();
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}
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});
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return (Func<TItem, string>)func;
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}
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internal static Func<TItem, bool> CreateGetDisabledFunc<TItem>(string disabledName)
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{
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var key = new DelegateCacheKey(typeof(TItem), typeof(bool), disabledName);
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var func = _getValueDelegateCache.GetOrAdd(
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key,
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_ =>
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{
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var itemParamExp = Expression.Parameter(typeof(TItem));
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var disabledExp = Expression.Property(itemParamExp, disabledName);
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var disabledPropType = (disabledExp.Member as PropertyInfo)?.PropertyType ?? throw new InvalidOperationException($"Member '{disabledName}' should be Property");
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if (disabledPropType == typeof(bool))
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{
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var funExp = Expression.Lambda<Func<TItem, bool>>(disabledExp, itemParamExp);
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return funExp.Compile();
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}
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else
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{
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throw new InvalidOperationException($"Member '{disabledName}' should be type of 'bool'");
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}
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});
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return (Func<TItem, bool>)func;
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}
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internal static Action<TItem, string> CreateSetLabelFunc<TItem>(string labelName)
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{
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var key = new DelegateCacheKey(typeof(TItem), typeof(string), labelName);
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var action = _setValuedDelegateCache.GetOrAdd(
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key,
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_ =>
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{
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var itemParamExp = Expression.Parameter(typeof(TItem));
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var labelParamExp = Expression.Parameter(typeof(string));
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var labelExp = Expression.Property(itemParamExp, labelName);
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var setLabelExp = Expression.Assign(labelExp, labelParamExp);
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var funExp = Expression.Lambda<Action<TItem, string>>(setLabelExp, itemParamExp, labelParamExp);
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return funExp.Compile();
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});
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return (Action<TItem, string>)action;
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}
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internal static Action<TItem, TItemValue> CreateSetValueFunc<TItem, TItemValue>(string valueName)
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{
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var key = new DelegateCacheKey(typeof(TItem), typeof(TItemValue), valueName);
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var action = _setValuedDelegateCache.GetOrAdd(
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key,
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_ =>
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{
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var itemParamExp = Expression.Parameter(typeof(TItem));
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var valueParamExp = Expression.Parameter(typeof(TItemValue));
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var valueExp = Expression.Property(itemParamExp, valueName);
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var valuePropType = (valueExp.Member as PropertyInfo)?.PropertyType ?? throw new InvalidOperationException($"Member '{valueName}' should be Property");
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if (valuePropType.IsClass)
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{
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var setLabelExp = Expression.Assign(valueExp, valueParamExp);
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var funExp = Expression.Lambda<Action<TItem, TItemValue>>(setLabelExp, itemParamExp, valueParamExp);
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return funExp.Compile();
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}
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var valueIsNullable = valuePropType.IsValueType && Nullable.GetUnderlyingType(valuePropType) != null;
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var valueParamIsNullable = valueParamExp.Type.IsValueType && Nullable.GetUnderlyingType(valueParamExp.Type) != null;
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if (valueIsNullable)
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{
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Expression nullableValueExp = valueParamIsNullable
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? valueParamExp
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||||||
|
: Expression.New(valuePropType.GetConstructors()[0], valueParamExp);
|
||||||
|
var setLabelExp = Expression.Assign(valueExp, nullableValueExp);
|
||||||
|
var funExp = Expression.Lambda<Action<TItem, TItemValue>>(setLabelExp, itemParamExp, valueParamExp);
|
||||||
|
return funExp.Compile();
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
var setLabelExp = valueParamIsNullable
|
||||||
|
? Expression.Assign(valueExp, Expression.Property(valueParamExp, Nullable_Value))
|
||||||
|
: Expression.Assign(valueExp, valueParamExp);
|
||||||
|
var funExp = Expression.Lambda<Action<TItem, TItemValue>>(setLabelExp, itemParamExp, valueParamExp);
|
||||||
|
return funExp.Compile();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
return (Action<TItem, TItemValue>)action;
|
||||||
|
}
|
||||||
|
|
||||||
|
private readonly struct DelegateCacheKey
|
||||||
|
{
|
||||||
|
public readonly Type ItemType;
|
||||||
|
|
||||||
|
public readonly Type ValueType;
|
||||||
|
|
||||||
|
public readonly string PropertyName;
|
||||||
|
|
||||||
|
public DelegateCacheKey(Type itemType, Type valueType, string propertyName)
|
||||||
|
{
|
||||||
|
ItemType = itemType;
|
||||||
|
ValueType = valueType;
|
||||||
|
PropertyName = propertyName;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private class DelegateCacheKeyComparer : IEqualityComparer<DelegateCacheKey>
|
||||||
|
{
|
||||||
|
public bool Equals(DelegateCacheKey x, DelegateCacheKey y)
|
||||||
|
{
|
||||||
|
return x.ItemType == y.ItemType
|
||||||
|
&& x.ValueType == y.ValueType
|
||||||
|
&& x.PropertyName == y.PropertyName;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int GetHashCode(DelegateCacheKey obj)
|
||||||
|
{
|
||||||
|
return HashCode.Combine(obj.ItemType, obj.ValueType, obj.PropertyName);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user