请查看示例:http://jsfiddle.net/mrcarllister/Z2GjN/
基本上,我已经实现了单击拖动滚动,但是当您单击并拖动锚点/链接时,它不起作用。
只有当鼠标光标在释放时仍停留在链接上时,才会跟随URL(例如,如果您拖动足够远,链接超出窗口,那么这将正常工作。)
;(function($){
$.fn.scrollsync = function( options ){
var settings = $.extend(
{
targetSelector:':first',
axis: 'xy'
},options || {});
function scrollHandler(event) {
if (event.data.xaxis){
event.data.followers.scrollLeft(event.data.target.scrollLeft());
}
if (event.data.yaxis){
event.data.followers.scrollTop(event.data.target.scrollTop());
}
}
settings.target = this.filter(settings.targetSelector).filter(':first');
settings.followers=this.not(settings.target); // the rest of elements
settings.xaxis= (settings.axis=='xy' || settings.axis=='x') ? true : false;
settings.yaxis= (settings.axis=='xy' || settings.axis=='y') ? true : false;
if (!settings.xaxis && !settings.yaxis) return;
settings.target.bind('scroll', settings, scrollHandler);
};
})( jQuery );
;(function($){
$.fn.dragscrollable = function( options ){
var settings = $.extend(
{
dragSelector:'>:first',
acceptPropagatedEvent: true,
preventDefault: true
},options || {});
var dragscroll= {
mouseDownHandler : function(event) {
if (event.which!=1 ||
(!event.data.acceptPropagatedEvent && event.target != this)){
return false;
}
event.data.lastCoord = {left: event.clientX, top: event.clientY};
$.event.add( document, "mouseup",
dragscroll.mouseUpHandler, event.data );
$.event.add( document, "mousemove",
dragscroll.mouseMoveHandler, event.data );
if (event.data.preventDefault) {
event.preventDefault();
return false;
}
},
mouseMoveHandler : function(event) {
var delta = {left: (event.clientX - event.data.lastCoord.left),
top: (event.clientY - event.data.lastCoord.top)};
event.data.scrollable.scrollLeft(
event.data.scrollable.scrollLeft() - delta.left);
event.data.scrollable.scrollTop(
event.data.scrollable.scrollTop() - delta.top);
event.data.lastCoord={left: event.clientX, top: event.clientY}
if (event.data.preventDefault) {
event.preventDefault();
return false;
}
},
mouseUpHandler : function(event) {
$.event.remove( document, "mousemove", dragscroll.mouseMoveHandler);
$.event.remove( document, "mouseup", dragscroll.mouseUpHandler);
if (event.data.preventDefault) {
event.preventDefault();
return false;
}
}
}
this.each(function() {
var data = {scrollable : $(this),
acceptPropagatedEvent : settings.acceptPropagatedEvent,
preventDefault : settings.preventDefault }
$(this).find(settings.dragSelector).
bind('mousedown', data, dragscroll.mouseDownHandler);
});
};
})( jQuery );
我相信对于锚点,我需要“return:false;”,但我不确定如何仅在拖动/滚动时执行。任何帮助将不胜感激。
编辑 - Ian的建议起作用了,但我只需要进行几个修改:
1. 只能上下滚动(不能左右滚动) 2. 限制在内容/ div大小内,并且不会滚动到更远的地方。
谢谢,
卡尔