优化drag插件,增加是否可拖拽判断

2023-08-30 · 2017-09-13 17:55:48 +08:00 · 2017-09-13 17:55:48 +08:00 · e4d41cd058
parent f1f365e6e4
commit e4d41cd058
1 changed files with 4 additions and 1 deletions
--- a/js/lib/drag/main.js
+++ b/js/lib/drag/main.js
@ -118,7 +118,10 @@ define(['yua'], function(){

                //拖拽前回调
                if(_this.beforedrag){
-                    _this.beforedrag.call(_this.vmodels, target, ox, oy)
+                    var result = _this.beforedrag.call(_this.vmodels, target, ox, oy)
+                    if(result === false){
+                        return
+                    }
                }

                //限制区域, 4个值依次是: 上, 下, 左, 右