96 lines
2.8 KiB
Plaintext
96 lines
2.8 KiB
Plaintext
@inject IJSRuntime JSRuntime
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@implements IDisposable
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<polygon @ref="Ref" class="@(IsSetting ? "setting" : "")" fill="@Model.Fill" @ondblclick="OnDoubleClick" style="visibility: @(IsShow ? "visible" : "hidden")" />
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@code {
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[Parameter, EditorRequired]
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public ZoneModel Model { get; set; } = null!;
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[Parameter]
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public EventCallback<ZoneModel> DoubleClick { get; set; }
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[Parameter]
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public bool IsSetting { get; set; }
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[Parameter]
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public bool IsShow { get; set; }
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[CascadingParameter]
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protected bool MapIsActive { get; set; }
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private ElementReference Ref;
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private DotNetObjectReference<Zone> DotNetObj = null!;
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protected override async Task OnAfterRenderAsync(bool firstRender)
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{
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await base.OnAfterRenderAsync(firstRender);
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if (!firstRender) return;
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DotNetObj = DotNetObjectReference.Create(this);
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await JSRuntime.InvokeVoidAsync("AddEventListener", DotNetObj, Ref, "click", nameof(Click), false);
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await UpdateData();
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}
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public override async Task SetParametersAsync(ParameterView parameters)
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{
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bool UpdateZone = false;
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if (parameters.TryGetValue(nameof(Model), out ZoneModel? model))
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{
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if (((Model?.Id ?? Guid.Empty) != (model?.Id ?? Guid.Empty)))
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{
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if (Model != null)
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{
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Model.ControlNodePosittionChanged -= UpdateData;
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Model.TypeChanged -= StateHasChanged;
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Model.ActiveChanged -= ActiveChanged;
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}
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if (model != null)
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{
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model.ControlNodePosittionChanged += UpdateData;
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model.TypeChanged += StateHasChanged;
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model.ActiveChanged += ActiveChanged;
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UpdateZone = true;
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}
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}
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}
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await base.SetParametersAsync(parameters);
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if (UpdateZone) await UpdateData();
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}
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private async Task OnDoubleClick()
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{
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await DoubleClick.InvokeAsync(Model);
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}
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[JSInvokable]
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public void Click()
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{
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Model.Active();
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}
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private async void ActiveChanged(ZoneModel zone, bool state) => await JSRuntime.InvokeVoidAsync(state ? "AddSelected" : "RemoveSelected", Ref);
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private async Task UpdateData()
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{
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string data = $"{Model.X1},{Model.Y1} {Model.X2},{Model.Y2} {Model.X3},{Model.Y3} {Model.X4},{Model.Y4}";
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await JSRuntime.InvokeVoidAsync("ElementSetAttribute", Ref, "points", data);
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}
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public void Dispose()
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{
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if (Model != null)
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{
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Model.ControlNodePosittionChanged -= UpdateData;
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Model.ActiveChanged -= ActiveChanged;
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Model.TypeChanged -= StateHasChanged;
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}
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if (DotNetObj != null) DotNetObj.Dispose();
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GC.SuppressFinalize(this);
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}
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}
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