0.2版本，重构代码，增加Editor

Scripts/UI/Internal/Title.cs

@@ -0,0 +1,91 @@
+using UnityEngine;
+using System.Collections;
+using System;
+
+namespace XCharts
+{
+    [Serializable]
+    public class Title: IPropertyChanged,IEquatable<Title>
+    {
+        [SerializeField] private bool m_Show;
+        [SerializeField] private string m_Text;
+        [SerializeField] private int m_TextFontSize;
+        [SerializeField] private string m_SubText;
+        [SerializeField] private int m_SubTextFontSize;
+        [SerializeField] private float m_ItemGap;
+        [SerializeField] private Location m_Location;
+
+        public bool show { get { return m_Show; } set { m_Show = value; } }
+        public string text { get { return m_Text; } set { m_Text = value; } }
+        public int textFontSize { get { return m_TextFontSize; }set { m_TextFontSize = value; } }
+        public string subText { get { return m_SubText; } set { m_Text = value; } }
+        public int subTextFontSize { get { return m_SubTextFontSize; } set { m_SubTextFontSize = value; } }
+        public float itemGap { get { return m_ItemGap; } set { m_ItemGap = value; } }
+        public Location location { get { return m_Location; } set { m_Location = value; } }
+
+        public static Title defaultTitle
+        {
+            get
+            {
+                var title = new Title
+                {
+                    m_Show = true,
+                    m_Text = "Chart Title",
+                    m_TextFontSize = 16,
+                    m_SubText = "",
+                    m_SubTextFontSize = 14,
+                    m_ItemGap = 14,
+                    m_Location = Location.defaultTop
+                };
+                return title;
+            }
+        }
+        public void Copy(Title title)
+        {
+            m_Show = title.show;
+            m_Text = title.text;
+            m_TextFontSize = title.textFontSize;
+            m_SubText = title.subText;
+            m_SubTextFontSize = title.subTextFontSize;
+            m_ItemGap = title.itemGap;
+            m_Location.Copy(title.location);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (!(obj is Title)) return false;
+            return Equals((Title)obj);
+        }
+
+        public bool Equals(Title other)
+        {
+            return m_Show == other.show &&
+                m_Text.Equals(other.text) &&
+                m_TextFontSize == other.textFontSize &&
+                m_SubText.Equals(other.subText) &&
+                m_SubTextFontSize == other.subTextFontSize &&
+                m_ItemGap == other.itemGap &&
+                m_Location.Equals(other.location);
+        }
+
+        public static bool operator == (Title point1, Title point2)
+        {
+            return point1.Equals(point2);
+        }
+
+        public static bool operator != (Title point1, Title point2)
+        {
+            return !point1.Equals(point2);
+        }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
+
+        public void OnChanged()
+        {
+            m_Location.OnChanged();
+        }
+    }
+}