在移动设备上拖动mootools

时间:2011-09-28 19:33:39

标签: javascript javascript-events drag-and-drop mootools mobile-safari

有没有办法在safari手机上运行mootools类“Drag”? 请不要将我链接到其他框架。

3 个答案:

答案 0 :(得分:10)

这是我制作Mootools Drag支持触摸事件的解决方案。这个方法不需要我编辑mootools更多的文件因为我使用了Class.refactor(这只是用Mootools v.1.3.1测试过) - 它也没有打破常见的点击事件

Class.refactor(Drag,
    {
        attach: function(){
            this.handles.addEvent('touchstart', this.bound.start);
            return this.previous.apply(this, arguments);
        },

        detach: function(){
            this.handles.removeEvent('touchstart', this.bound.start);
            return this.previous.apply(this, arguments);
        },

        start: function(event){
            document.body.addEvents({
                touchmove: this.bound.check,
                touchend: this.bound.cancel
            });
            this.previous.apply(this, arguments);
        },

        check: function(event){
            if (this.options.preventDefault) event.preventDefault();
            var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
            if (distance > this.options.snap){
                this.cancel();
                this.document.addEvents({
                    mousemove: this.bound.drag,
                    mouseup: this.bound.stop
                });
                document.body.addEvents({
                    touchmove: this.bound.drag,
                    touchend: this.bound.stop
                });
                this.fireEvent('start', [this.element, event]).fireEvent('snap', this.element);
            }
        },

        cancel: function(event){
            document.body.removeEvents({
                touchmove: this.bound.check,
                touchend: this.bound.cancel
            });
            return this.previous.apply(this, arguments);
        },

        stop: function(event){
            document.body.removeEvents({
                touchmove: this.bound.drag,
                touchend: this.bound.stop
            });
            return this.previous.apply(this, arguments);
        }
    });

答案 1 :(得分:2)

我自己修好了。它就像将鼠标事件映射到触摸事件一样简单。

所以解决方案是搜索和;替换:

mousedown -> touchstart
mouseup -> touchend
mousemove -> touchmove

答案 2 :(得分:0)