增加MainComponent的order设置执行优先级

Runtime/Internal/Attributes/ComponentHandlerAttribute.cs

@@ -7,17 +7,20 @@ namespace XCharts.Runtime
     {
         public readonly Type handler;
         public readonly bool allowMultiple = true;
+        public readonly int order = 3;
 
-        public ComponentHandlerAttribute(Type handler)
+        public ComponentHandlerAttribute(Type handler, int order = 3)
         {
             this.handler = handler;
             this.allowMultiple = true;
+            this.order = order;
         }
 
-        public ComponentHandlerAttribute(Type handler, bool allowMultiple)
+        public ComponentHandlerAttribute(Type handler, bool allowMultiple, int order = 3)
         {
             this.handler = handler;
             this.allowMultiple = allowMultiple;
+            this.order = order;
         }
     }
 }

Runtime/Internal/BaseChart.Component.cs

@@ -123,9 +123,11 @@ namespace XCharts.Runtime
             var handler = (MainComponentHandler)Activator.CreateInstance(attrubte.handler);
             handler.attribute = attrubte;
             handler.chart = this;
+            handler.order = attrubte.order;
             handler.SetComponent(component);
             component.handler = handler;
             m_ComponentHandlers.Add(handler);
+            m_ComponentHandlers.Sort((a, b) => { return a.order.CompareTo(b.order); });
         }
 
         public bool RemoveChartComponent<T>(int index = 0)

Runtime/Internal/Basic/MainComponent.cs

@@ -88,6 +88,7 @@ namespace XCharts.Runtime
 
     public abstract class MainComponentHandler
     {
+        public int order { get; internal set; }
         public BaseChart chart { get; internal set; }
         public ComponentHandlerAttribute attribute { get; internal set; }