132 lines
4.8 KiB
C#
132 lines
4.8 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="ViewResponder"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.Controlling.UsrActivity;
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using StgSharp.MVVM.ViewModel;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.MVVM
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{
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public partial class ViewBase
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{
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protected interface IViewResponder<out TVIew> where TVIew: ViewBase
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{
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Action? this[IClickTrigger trigger] { get; set; }
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void CustomizedInitialize(Func<IClickTrigger, string, Action> keyRegister);
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void Initialize(MethodLookUpDelegate methodGetter);
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void ProcessUserInput();
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bool ValidateInitializing();
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}
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protected abstract class ViewResponder<TView> : IViewResponder<TView> where TView: ViewBase
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{
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private bool _isInitialized;
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private Dictionary<IClickTrigger, Action> keyCallbackIndex;
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private Dictionary<string, Action> nameToCallbackMap;
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private TView _binding;
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protected ViewResponder(TView binding)
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{
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keyCallbackIndex = new Dictionary<IClickTrigger, Action>();
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nameToCallbackMap = new Dictionary<string, Action>();
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_binding = binding;
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}
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#pragma warning disable CA1043
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public Action? this[IClickTrigger trigger]
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#pragma warning restore CA1043
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{
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get => keyCallbackIndex.TryGetValue(trigger, out Action callback) ? callback : null;
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set
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{
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if (keyCallbackIndex.TryGetValue(trigger, out Action callback))
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{
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callback += value;
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} else
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{
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keyCallbackIndex.Add(
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trigger, value ?? throw new ArgumentNullException(nameof(value)));
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}
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}
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}
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protected TView Binding => _binding;
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public abstract void CustomizedInitialize(Func<IClickTrigger, string, Action> keyRegister);
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public void Initialize(MethodLookUpDelegate methodGetter)
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{
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if (_isInitialized) {
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return;
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}
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CustomizedInitialize((trigger, name) => {
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if (!nameToCallbackMap.TryGetValue(name, out Action ret))
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{
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if (methodGetter(name, out Action lookup))
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{
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this[trigger] = lookup;
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} else
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{
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throw new InvalidOperationException(
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$"Cannot find method named {name} in binded view model");
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}
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}
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return ret;
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});
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}
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public void ProcessUserInput()
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{
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foreach (KeyValuePair<IClickTrigger, Action> pair in keyCallbackIndex)
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{
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if (InternalIO.glfwGetKey(_binding.ViewHandle,
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pair.Key.TargetKeyOrButtonID) == pair.Key.TriggeredStatus) {
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pair.Value();
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}
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}
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}
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public abstract bool ValidateInitializing();
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}
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}
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}
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