增加DataZoom的startLock和endLock参数支持锁定

Editor/MainComponents/DataZoomEditor.cs

@@ -29,6 +29,8 @@ namespace XCharts.Editor
             PropertyField("m_RangeMode");
             PropertyField(m_Start);
             PropertyField(m_End);
+            PropertyField("m_StartLock");
+            PropertyField("m_EndLock");
             PropertyField(m_MinShowNum);
             if (m_Start.floatValue < 0) m_Start.floatValue = 0;
             if (m_End.floatValue > 100) m_End.floatValue = 100;

Runtime/Component/Child/Location.cs

@@ -268,6 +268,60 @@ namespace XCharts.Runtime
             }
         }
 
+        public bool IsBottom()
+        {
+            switch (m_Align)
+            {
+                case Align.BottomCenter:
+                case Align.BottomLeft:
+                case Align.BottomRight:
+#if dUI_TextMeshPro
+                case TextAlignmentOptions.Bottom:
+                case TextAlignmentOptions.BottomLeft:
+                case TextAlignmentOptions.BottomRight:
+#endif
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        public bool IsTop()
+        {
+            switch (m_Align)
+            {
+                case Align.TopCenter:
+                case Align.TopLeft:
+                case Align.TopRight:
+#if dUI_TextMeshPro
+                case TextAlignmentOptions.Top:
+                case TextAlignmentOptions.TopLeft:
+                case TextAlignmentOptions.TopRight:
+#endif
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
+        public bool IsCenter()
+        {
+            switch (m_Align)
+            {
+                case Align.Center:
+                case Align.CenterLeft:
+                case Align.CenterRight:
+#if dUI_TextMeshPro
+                case TextAlignmentOptions.Center:
+                case TextAlignmentOptions.CenterLeft:
+                case TextAlignmentOptions.CenterRight:
+#endif
+                    return true;
+                default:
+                    return false;
+            }
+        }
+
         public void UpdateRuntimeData(float chartWidth, float chartHeight)
         {
             runtimeLeft = left <= 1 ? left * chartWidth : left;

Runtime/Component/DataZoom/DataZoom.cs

@@ -81,8 +81,6 @@ namespace XCharts.Runtime
         [SerializeField] private RangeMode m_RangeMode;
         [SerializeField] private float m_Start;
         [SerializeField] private float m_End;
-        //[SerializeField] private float m_StartValue;
-        //[SerializeField] private float m_EndValue;
         [SerializeField] private int m_MinShowNum = 1;
         [Range(1f, 20f)]
         [SerializeField] private float m_ScrollSensitivity = 1.1f;
@@ -91,6 +89,8 @@ namespace XCharts.Runtime
         [SerializeField] private LineStyle m_LineStyle = new LineStyle(LineStyle.Type.Solid);
         [SerializeField] private AreaStyle m_AreaStyle = new AreaStyle();
         [SerializeField][Since("v3.5.0")] private MarqueeStyle m_MarqueeStyle = new MarqueeStyle();
+        [SerializeField][Since("v3.6.0")] private bool m_StartLock;
+        [SerializeField][Since("v3.6.0")] private bool m_EndLock;
 
         public DataZoomContext context = new DataZoomContext();
 
@@ -305,6 +305,24 @@ namespace XCharts.Runtime
             set { m_Start = value; if (m_Start < 0) m_Start = 0; if (m_Start > 100) m_Start = 100; SetVerticesDirty(); }
         }
         /// <summary>
+        /// Lock start value.
+        /// |固定起始值，不让改变。
+        /// </summary>
+        public bool startLock
+        {
+            get { return m_StartLock; }
+            set { if (PropertyUtil.SetStruct(ref m_StartLock, value)) SetVerticesDirty(); }
+        }
+        /// <summary>
+        /// Lock end value.
+        /// |固定结束值，不让改变。
+        /// </summary>
+        public bool endLock
+        {
+            get { return m_EndLock; }
+            set { if (PropertyUtil.SetStruct(ref m_EndLock, value)) SetVerticesDirty(); }
+        }
+        /// <summary>
         /// The end percentage of the window out of the data extent, in the range of 0 ~ 100.
         /// |数据窗口范围的结束百分比。范围是：0 ~ 100。
         /// </summary>

Runtime/Component/DataZoom/DataZoomHandler.cs

@@ -398,7 +398,9 @@ namespace XCharts.Runtime
             if (end < start)
                 end = start;
 
+            if (!dataZoom.startLock)
                 dataZoom.start = start;
+            if (!dataZoom.endLock)
                 dataZoom.end = end;
             if (dataZoom.realtime)
             {