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49 行
1.1 KiB
49 行
1.1 KiB
using System;
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using UnityEngine;
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using UnityEngine.RMGUI;
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namespace RMGUI.GraphView
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{
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public abstract class DataWatchContainer : VisualContainer
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{
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protected DataWatchContainer()
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{
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// trigger data source reset when entering leaving panel
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onEnter += AddWatch;
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onLeave += RemoveWatch;
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}
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// called when Serialized object has changed
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// only works while widget is in a panel
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public virtual void OnDataChanged()
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{ }
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protected abstract object toWatch { get; }
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protected void AddWatch()
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{
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var watch = toWatch as UnityEngine.Object;
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if (watch != null && panel != null)
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// TODO: consider a disposable handle?
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DataWatchService.AddDataSpy(this, watch, OnDataChanged);
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}
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protected void RemoveWatch()
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{
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var watch = toWatch as UnityEngine.Object;
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try
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{
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if (watch != null && panel != null)
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DataWatchService.RemoveDataSpy(watch, OnDataChanged);
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}
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catch (Exception e)
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{
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Debug.LogException(e);
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if (watch != null)
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{
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Debug.LogWarningFormat("No datawatch is registered to: {0} it is type {1}", watch.name, watch.GetType());
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}
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}
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}
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}
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}
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