完善场景组件禁用功能

CHANGES.md

 ### 1.14.0 - 2021-01-09
 
 > 1. 升级 Cesium 到 1.77.0
-> 2. 完善罗盘组件的样式
-> 3. 去除抛物线的点位认证
+> 2. 去除抛物线的点位认证
+> 3. 完善场景组件禁用功能
+> 4. 修改面积函数的无法使用的问题
 
 ### 1.13.3 - 2020-12-26
 

src/core/widget/MapSplit.js

     })
   }
 
+  /**
+   *
+   * @private
+   */
+  _bindEvent() {
+    this._viewer.scene.imagerySplitPosition = 0.5
+    this._wrapper.style.left = '50%'
+  }
+
+  /**
+   *
+   * @private
+   */
+  _unbindEvent() {
+    if (this._baseLayer) {
+      this._viewer.scene.imagerySplitPosition =
+        this._baseLayer.splitDirection > 0 ? 1 : 0
+    } else {
+      this._viewer.scene.imagerySplitPosition = 0
+    }
+  }
+
   /**
    *
    * @private
     this._ready = true
   }
 
+  /**
+   *
+   * @param movement
+   * @private
+   */
   _moveHandler(movement) {
     if (!this._moveActive || !this._enable) {
       return
     this._viewer.scene.imagerySplitPosition = splitPosition
   }
 
-  addBaseLayer(baseLayer, splitDirection) {
+  /**
+   *
+   * @param baseLayer
+   * @param splitDirection
+   * @returns {MapSplit}
+   */
+  addBaseLayer(baseLayer, splitDirection = 1) {
     if (!this._viewer || !this._enable) {
       return this
     }
     if (baseLayer) {
-      if (this._baseLayer) {
-        this._viewer.delegate.imageryLayers.remove(this._baseLayer)
-      }
-      this._baseLayer = this._viewer.delegate.imageryLayers.addImageryProvider(
-        baseLayer
-      )
+      this._baseLayer && this._viewer.imageryLayers.remove(this._baseLayer)
+      this._baseLayer = this._viewer.imageryLayers.addImageryProvider(baseLayer)
       this._baseLayer.splitDirection = splitDirection || 0
       this._viewer.scene.imagerySplitPosition =
         this._wrapper.offsetLeft / this._wrapper.parentElement.offsetWidth

src/core/widget/Tooltip.js

    *
    */
   showAt(position, content) {
-    if (position) {
-      this._updateWindowCoord(position)
+    if (!this._enable) {
+      return this
     }
+
+    position && this._updateWindowCoord(position)
     this.setContent(content)
     return this
   }

src/core/widget/Widget.js

   }
 
   set enable(enable) {
+    if (this._enable === enable) {
+      return this
+    }
     this._enable = enable
     this._state = this._enable ? State.ENABLED : State.DISABLED
     this._enableHook && this._enableHook()
+    return this
   }
 
   get enable() {
    * @private
    */
   _enableHook() {
-    !this._wrapper.parentNode &&
-      this._viewer &&
-      this._viewer.dcContainer.appendChild(this._wrapper)
-    this._wrapper &&
-      (this._wrapper.style.visibility = this._enable ? 'visible' : 'hidden')
     !this._ready && this._mountContent()
-    this._enable ? this._bindEvent() : this._unbindEvent()
+    if (this._enable) {
+      !this._wrapper.parentNode &&
+        this._viewer.dcContainer.appendChild(this._wrapper)
+      this._bindEvent()
+    } else {
+      this._unbindEvent()
+      this._wrapper.parentNode &&
+        this._viewer.dcContainer.removeChild(this._wrapper)
+    }
   }
 
   /**

src/themes/mapsplit.scss

   width: 5px;
   height: 100%;
   z-index: 9999;
-  visibility: hidden;
   .splitter {
     position: absolute;
     left: -21px;