wehub-resource-sync
63 lines
2.0 KiB
C#
63 lines
2.0 KiB
C#
namespace Lib.flow.context;
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[Guid("15012739-97b0-49e6-8bdc-cd45cd262560")]
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public sealed class GetStringVar : Instance<GetStringVar>
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,ICustomDropdownHolder
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{
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[Output(Guid = "1a3ed40a-655b-4604-868d-1f037f7306c7", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<string> Result = new();
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public GetStringVar()
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{
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Result.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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//if (VariableName.DirtyFlag.IsDirty && !VariableName.HasInputConnections)
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_contextVariableNames= context.StringVariables.Keys.ToList();
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var variableName = VariableName.GetValue(context);
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if (variableName != null && context.StringVariables.TryGetValue(variableName, out var value))
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{
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Result.Value = value;
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}
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else
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{
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Result.Value = FallbackDefault.GetValue(context);
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}
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}
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#region implementation of ICustomDropdownHolder
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string ICustomDropdownHolder.GetValueForInput(Guid inputId)
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{
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return VariableName.Value;
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}
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IEnumerable<string> ICustomDropdownHolder.GetOptionsForInput(Guid inputId)
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{
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return _contextVariableNames;
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}
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void ICustomDropdownHolder.HandleResultForInput(Guid inputId, string selected, bool isAListItem)
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{
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if (inputId != VariableName.Input.InputDefinition.Id)
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{
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Log.Warning("Unexpected input id {inputId} in HandleResultForInput", inputId);
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return;
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}
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// Update the list of available variables when dropdown is shown
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VariableName.DirtyFlag.Invalidate();
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VariableName.SetTypedInputValue(selected);
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}
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#endregion
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private List<string> _contextVariableNames = new ();
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[Input(Guid = "d19b0483-cdd4-4684-852d-ef5ee8393dfc")]
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public readonly InputSlot<string> VariableName = new();
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[Input(Guid = "fafdbd5d-ec66-4210-beab-6b9ac010191c")]
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public readonly InputSlot<string> FallbackDefault = new InputSlot<string>("");
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} |