feature: combo显隐规则重构下

src/base/combination/combo.js

@@ -48,6 +48,11 @@
             });
         },
 
+        // 复写visual相关代码，让其通过class实现显隐藏
+        __setElementVisible: function (visible) {
+            this.element[visible ?  "removeClass" : "addClass"]("bi-combo-hidden");
+        },
+
         render: function () {
             var self = this, o = this.options;
             this._initCombo();

src/core/4.widget.js

@@ -308,7 +308,7 @@
                 }) : o.invisible;
                 if (invisible) {
                     // 用display属性做显示和隐藏，否则jquery会在显示时将display设为block会覆盖掉display:flex属性
-                    this.element.css("display", "none");
+                    this.__setElementVisible(false);
                 }
             }
         },
@@ -513,13 +513,17 @@
             }
         },
 
+        __setElementVisible: function (visible) {
+            this.element.css("display", visible ? "" : "none");
+        },
+
         _innerSetVisible: function (visible) {
             var self = this, o = this.options;
             var lastVisible = !o.invisible;
             this._setVisible(visible);
             if (visible === true) {
                 // 用this.element.show()会把display属性改成block
-                this.element.css("display", "");
+                this.__setElementVisible(true);
                 this._mount();
                 if (o.animation && !lastVisible) {
                     this.element.removeClass(o.animation + "-leave").removeClass(o.animation + "-leave-active").addClass(o.animation + "-enter");
@@ -552,10 +556,10 @@
                     }
                     this._animationDuring = setTimeout(function () {
                         self.element.removeClass(o.animation + "-leave").removeClass(o.animation + "-leave-active");
-                        self.element.css("display", "none");
+                        self.__setElementVisible(false);
                     }, o.animationDuring);
                 } else {
-                    this.element.css("display", "none");
+                    this.__setElementVisible(false);
                 }
             }
         },

src/less/base/combo/combo.less

@@ -12,9 +12,6 @@
   }
 
   &.bi-combo-popup {
-    display: block !important;
-    visibility: visible !important;
-
     & > .bi-trigger {
       & .bi-trigger-icon-button {
         & .x-icon {
@@ -24,6 +21,9 @@
       }
     }
   }
+  &.bi-combo-hidden:not(.bi-combo-popup) {
+    display: none !important;
+  }
 
   &.bi-combo-popup, &.bi-combo-hover, &:hover {
     &.bi-border, &.bi-border-bottom {