DESIGN-130 checkbox灰化样式

src/case/ztree/jquery.ztree.excheck-3.5.js

@@ -455,7 +455,7 @@
 					chClass += ' bi-checkbox checkbox-content';
 					break;
 			}
-			return chClass;
+			return chClass + (node.disabled ? " disabled" : "");
 		},
 		repairAllChk: function(setting, checked) {
 			if (setting.check.enable && setting.check.chkStyle === consts.checkbox.STYLE) {

src/less/base/tree/ztree.less

@@ -165,7 +165,14 @@
     box-sizing: border-box;
     &.active {
       background-color: @color-bi-background-highlight;
-      border-color: @color-bi-border-highlight;;
+      border-color: @color-bi-border-highlight;
+    }
+    &.disabled {
+      border: 1px solid @color-bi-border-disabled;
+      background-color: @color-bi-background-disabled;
+      &.active {
+        border-color: @color-bi-border-disabled;
+      }
     }
   }
   &.bi-half-button {