禁用easyui combobox 上下方向键

素颜马尾好姑娘i 2023-07-18 03:27 25阅读 0赞

<script type="text/javascript"> $.fn.combobox.defaults.keyHandler.down.call=function(_c){ 
    		var _d="next";
    		var _e=$.data(_c,"combobox").options;
    		var _f=$(_c).combobox("panel");
    		var _10=_f.children("div.combobox-item-hover"); if(!_10.length){ 
    			_10=_f.children("div.combobox-item-selected");
    		}
    		_10.removeClass("combobox-item-hover");
    		var _11="div.combobox-item:visible:not(.combobox-item-disabled):first";
    		var _12="div.combobox-item:visible:not(.combobox-item-disabled):last"; if(!_10.length){ 
    			_10=_f.children(_d=="next"?_11:_12);
    		}else{ 
    			if(_d=="next"){ 
    				_10=_10.nextAll(_11); if(!_10.length){ 
    					_10=_f.children(_11);
    				}
    			}else{ 
    				_10=_10.prevAll(_11); if(!_10.length){ 
    					_10=_f.children(_12);
    				}
    			}
    		}
    		if(_10.length){ 
    			_10.addClass("combobox-item-hover");
    			var row=_e.finder.getRow(_c,_10); if(row){ 
    				$(_c).combobox("scrollTo",row[_e.valueField]);
    			}
    		}
    	}
    	$.fn.combobox.defaults.keyHandler.up.call=function(_c){ 
    		var _d="up";
    		var _e=$.data(_c,"combobox").options;
    		var _f=$(_c).combobox("panel");
    		var _10=_f.children("div.combobox-item-hover"); if(!_10.length){ 
    			_10=_f.children("div.combobox-item-selected");
    		}
    		_10.removeClass("combobox-item-hover");
    		var _11="div.combobox-item:visible:not(.combobox-item-disabled):first";
    		var _12="div.combobox-item:visible:not(.combobox-item-disabled):last"; if(!_10.length){ 
    			_10=_f.children(_d=="next"?_11:_12);
    		}else{ 
    			if(_d=="next"){ 
    				_10=_10.nextAll(_11); if(!_10.length){ 
    					_10=_f.children(_11);
    				}
    			}else{ 
    				_10=_10.prevAll(_11); if(!_10.length){ 
    					_10=_f.children(_12);
    				}
    			}
    		}
    		if(_10.length){ 
    			_10.addClass("combobox-item-hover");
    			var row=_e.finder.getRow(_c,_10); if(row){ 
    				$(_c).combobox("scrollTo",row[_e.valueField]);
    			}
    		}
    	}
    	</script>