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55 行
1.2 KiB
55 行
1.2 KiB
using System;
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using System.Collections.Generic;
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namespace RMGUI.GraphView
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{
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public class GraphViewDataMapper
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{
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private readonly Dictionary<Type, Type> m_DataToViewDict = new Dictionary<Type, Type>();
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public Type this[Type t]
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{
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get
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{
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return m_DataToViewDict[t];
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}
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set
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{
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if (!t.IsSubclassOf(typeof(GraphElementPresenter)))
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{
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throw new ArgumentException("The type passed as key does not derive from UnityEngine.Object.");
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}
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if (!value.IsSubclassOf(typeof(GraphElement)))
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{
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throw new ArgumentException("The type passed as value does not derive from DataContainer.");
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}
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m_DataToViewDict[t] = value;
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}
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}
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public GraphElement Create(GraphElementPresenter presenter)
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{
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Type viewType = null;
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Type dataType = presenter.GetType();
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while (viewType == null && dataType != typeof(GraphElementPresenter))
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{
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if (!m_DataToViewDict.TryGetValue(dataType, out viewType))
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{
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dataType = dataType.BaseType;
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}
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}
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if (viewType == null)
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{
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viewType = typeof(FallbackGraphElement);
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}
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var dataContainer = (GraphElement)Activator.CreateInstance(viewType);
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dataContainer.presenter = presenter;
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return dataContainer;
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}
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}
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}
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