jCarouselLite 重置自动滚动间隔

发布于 2024-08-14 01:39:38 字数 488 浏览 13 评论 0原文

如何在某些事件发生后重置 jCarouselLite 轮播上的自动滚动间隔,以便它让您可以查看整个时间间隔的内容,无论您单击“下一个”或“上一个”时计时器距离多远?现在,如果我在 9 秒后单击下一个或上一个,它会在 1 秒后再次滚动。

jCarouselLite 源代码第 274-277 行中自动滚动是使用setInterval实现的。我知道如果您有 setInterval 返回的 ID,则可以使用clearInterval,但除了修改源代码之外我没有其他方法,而且我不想这样做。

有什么想法吗?谢谢!

How can I reset the auto-scroll interval on my jCarouselLite carousel after some event so that it lets you look at the content for the full interval, regardless of how far along the timer was when you clicked next or previous? Right now, if I click next or previous after 9 seconds, it scrolls again after 1 second.

In the jCarouselLite source code on lines 274-277 is where the auto-scroll is implemented using setInterval. I know you can use clearInterval if you have the ID returned by setInterval, but there isn't one I can get outside of modifying the source code, and I don't want to do that.

Any ideas? Thanks!

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评论(4

寻找我们的幸福 2024-08-21 01:39:38

jCarouselLite 本身没有提供任何简单的方法来停止自动滚动,这是一个更容易的问题,然后做你想要的事情(?我理解正确吗:你只是希望自动滚动在单击时暂时停止,然后继续)

Hacky + 完全停止自动滚动的潜在错误方法

var x; //hold interval id
$(function() {
    var y = window.setInterval; //backup original setInterval function
    //overwrite with new function which stores the id for us
    window.setInterval = function() {
        x = y(arguments[0], arguments[1]);
        return x; 
    };
    //now construct carousel
    $(".anyClass").jCarouselLite({
        btnNext: ".next",
        btnPrev: ".prev",
        auto: 500 
    });
    //now restore original setInterval function
    //as we only needed the custom one for the carousel to capture the hidden
    //internal call to setInterval
    window.setInterval = y;
});
$("#stopAutoScrollButton").click(function() {
    clearInterval(x);
});

真正的解决方案

由于我们无法让 jCarouselLite 自行执行此操作,因此我们自己模拟 auto 行为。

$(function() {
    var autoTime = 5000; //5s
    $(".anyClass").jCarouselLite({
        btnNext: ".next",
        btnPrev: ".prev"
    });
    //simulate autoscroll by simulating "click" on next link
    var x = setInterval("$('.next').trigger('click');", autoTime);
    //if stopAuto is clicked the autoscroll is suspended for autoTime
    //no matter how far along the timer already was
    $("#stopAuto").click(function() {
        clearInterval(x);
        x = setInterval("$('.next').trigger('click');", autoTime);
    });
});

jCarouselLite itself doesn't provide any easy way to stop the auto-scrolling, which is an easier problem then do what you seem to want (?did I understand this right: You just want the autoscroll to temporarily stop on click and then continue)

Hacky + potentially buggy way to stop the autoscroll altogether

var x; //hold interval id
$(function() {
    var y = window.setInterval; //backup original setInterval function
    //overwrite with new function which stores the id for us
    window.setInterval = function() {
        x = y(arguments[0], arguments[1]);
        return x; 
    };
    //now construct carousel
    $(".anyClass").jCarouselLite({
        btnNext: ".next",
        btnPrev: ".prev",
        auto: 500 
    });
    //now restore original setInterval function
    //as we only needed the custom one for the carousel to capture the hidden
    //internal call to setInterval
    window.setInterval = y;
});
$("#stopAutoScrollButton").click(function() {
    clearInterval(x);
});

Real solution

As we can't get jCarouselLite to do this on its own we simulate the auto behavior ourself.

$(function() {
    var autoTime = 5000; //5s
    $(".anyClass").jCarouselLite({
        btnNext: ".next",
        btnPrev: ".prev"
    });
    //simulate autoscroll by simulating "click" on next link
    var x = setInterval("$('.next').trigger('click');", autoTime);
    //if stopAuto is clicked the autoscroll is suspended for autoTime
    //no matter how far along the timer already was
    $("#stopAuto").click(function() {
        clearInterval(x);
        x = setInterval("$('.next').trigger('click');", autoTime);
    });
});
故事还在继续 2024-08-21 01:39:38

这是一个内置鼠标悬停暂停的版本。效果很好。
http://github.com/cheald/jcarousel-lite

Here's a version with a pause on mouseover built-in. Works nicely.
http://github.com/cheald/jcarousel-lite

自在安然 2024-08-21 01:39:38

这些答案都不是我想要的,但这就是当我谷歌“jcarousellite重置计时器”时出现的结果,因此对于下一个人来说:

  • 单击上一张/下一张幻灯片按钮时重置计时器
  • 暂停幻灯片放映然后

,这就是我整理的对我有用的内容:

(function($){$.fn.jCarouselLite=function(o){o=$.extend({btnPrev:null,btnNext:null,btnGo:null,mouseWheel:false,auto:null,speed:200,easing:null,vertical:false,circular:true,visible:3,start:0,scroll:1,beforeStart:null,afterEnd:null},o||{});return this.each(function(){var running=false,animCss=o.vertical?"top":"left",sizeCss=o.vertical?"height":"width";var div=$(this),a=$("#featuredlistings a.next"),ul=$("ul",div),tLi=$("li",ul),tl=tLi.size(),v=o.visible;if(o.circular){ul.prepend(tLi.slice(tl-v-1+1).clone()).append(tLi.slice(0,v).clone());o.start+=v;}var li=$("li",ul),itemLength=li.size(),curr=o.start;div.css("visibility","visible");li.css({overflow:"hidden",float:o.vertical?"none":"left"});ul.css({margin:"0",padding:"0",position:"relative","list-style-type":"none","z-index":"1"});div.css({overflow:"hidden",position:"relative","z-index":"2",left:"0px"});var liSize=o.vertical?height(li):width(li);var ulSize=liSize*itemLength;var divSize=liSize*v;li.css({width:li.width(),height:li.height()});ul.css(sizeCss,ulSize+"px").css(animCss,-(curr*liSize));div.css(sizeCss,divSize+"px");if(o.btnPrev)$(o.btnPrev).click(function(){resetAuto(); return go(curr-o.scroll);});if(o.btnNext)$(o.btnNext).click(function(){resetAuto(); return go(curr+o.scroll);});if(o.btnGo)$.each(o.btnGo,function(i,val){$(val).click(function(){return go(o.circular?o.visible+i:i);});});if(o.mouseWheel&&div.mousewheel)div.mousewheel(function(e,d){return d>0?go(curr-o.scroll):go(curr+o.scroll);});if(o.auto){autoScroll=setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);function resetAuto(){clearInterval(autoScroll);autoScroll=setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);};div.hover(function(){clearInterval(autoScroll);},function(){autoScroll=setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);});}function vis(){return li.slice(curr).slice(0,v);};function go(to){if(!running){if(o.beforeStart)o.beforeStart.call(this,vis());if(o.circular){if(to<=o.start-v-1){ul.css(animCss,-((itemLength-(v*2))*liSize)+"px");curr=to==o.start-v-1?itemLength-(v*2)-1:itemLength-(v*2)-o.scroll;}else if(to>=itemLength-v+1){ul.css(animCss,-((v)*liSize)+"px");curr=to==itemLength-v+1?v+1:v+o.scroll;}else curr=to;}else{if(to<0||to>itemLength-v)return;else curr=to;}running=true;ul.animate(animCss=="left"?{left:-(curr*liSize)}:{top:-(curr*liSize)},o.speed,o.easing,function(){if(o.afterEnd)o.afterEnd.call(this,vis());running=false;});if(!o.circular){$(o.btnPrev+","+o.btnNext).removeClass("disabled");$((curr-o.scroll<0&&o.btnPrev)||(curr+o.scroll>itemLength-v&&o.btnNext)||[]).addClass("disabled");}}return false;};});};function css(el,prop){return parseInt($.css(el[0],prop))||0;};function width(el){return el[0].offsetWidth+css(el,'marginLeft')+css(el,'marginRight');};function height(el){return el[0].offsetHeight+css(el,'marginTop')+css(el,'marginBottom');};})(jQuery);

只需将其与当前的 jCarouselLite 脚本交换并以相同的方式使用它。

None of these answers were what I was looking for, but this is what comes up when I Google 'jcarousellite reset timer', so for the next person looking to:

  • Make the timer reset when you click your previous/next slide buttons
  • Pause the slideshow on hover

Then this is what I put together that works for me:

(function($){$.fn.jCarouselLite=function(o){o=$.extend({btnPrev:null,btnNext:null,btnGo:null,mouseWheel:false,auto:null,speed:200,easing:null,vertical:false,circular:true,visible:3,start:0,scroll:1,beforeStart:null,afterEnd:null},o||{});return this.each(function(){var running=false,animCss=o.vertical?"top":"left",sizeCss=o.vertical?"height":"width";var div=$(this),a=$("#featuredlistings a.next"),ul=$("ul",div),tLi=$("li",ul),tl=tLi.size(),v=o.visible;if(o.circular){ul.prepend(tLi.slice(tl-v-1+1).clone()).append(tLi.slice(0,v).clone());o.start+=v;}var li=$("li",ul),itemLength=li.size(),curr=o.start;div.css("visibility","visible");li.css({overflow:"hidden",float:o.vertical?"none":"left"});ul.css({margin:"0",padding:"0",position:"relative","list-style-type":"none","z-index":"1"});div.css({overflow:"hidden",position:"relative","z-index":"2",left:"0px"});var liSize=o.vertical?height(li):width(li);var ulSize=liSize*itemLength;var divSize=liSize*v;li.css({width:li.width(),height:li.height()});ul.css(sizeCss,ulSize+"px").css(animCss,-(curr*liSize));div.css(sizeCss,divSize+"px");if(o.btnPrev)$(o.btnPrev).click(function(){resetAuto(); return go(curr-o.scroll);});if(o.btnNext)$(o.btnNext).click(function(){resetAuto(); return go(curr+o.scroll);});if(o.btnGo)$.each(o.btnGo,function(i,val){$(val).click(function(){return go(o.circular?o.visible+i:i);});});if(o.mouseWheel&&div.mousewheel)div.mousewheel(function(e,d){return d>0?go(curr-o.scroll):go(curr+o.scroll);});if(o.auto){autoScroll=setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);function resetAuto(){clearInterval(autoScroll);autoScroll=setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);};div.hover(function(){clearInterval(autoScroll);},function(){autoScroll=setInterval(function(){go(curr+o.scroll);},o.auto+o.speed);});}function vis(){return li.slice(curr).slice(0,v);};function go(to){if(!running){if(o.beforeStart)o.beforeStart.call(this,vis());if(o.circular){if(to<=o.start-v-1){ul.css(animCss,-((itemLength-(v*2))*liSize)+"px");curr=to==o.start-v-1?itemLength-(v*2)-1:itemLength-(v*2)-o.scroll;}else if(to>=itemLength-v+1){ul.css(animCss,-((v)*liSize)+"px");curr=to==itemLength-v+1?v+1:v+o.scroll;}else curr=to;}else{if(to<0||to>itemLength-v)return;else curr=to;}running=true;ul.animate(animCss=="left"?{left:-(curr*liSize)}:{top:-(curr*liSize)},o.speed,o.easing,function(){if(o.afterEnd)o.afterEnd.call(this,vis());running=false;});if(!o.circular){$(o.btnPrev+","+o.btnNext).removeClass("disabled");$((curr-o.scroll<0&&o.btnPrev)||(curr+o.scroll>itemLength-v&&o.btnNext)||[]).addClass("disabled");}}return false;};});};function css(el,prop){return parseInt($.css(el[0],prop))||0;};function width(el){return el[0].offsetWidth+css(el,'marginLeft')+css(el,'marginRight');};function height(el){return el[0].offsetHeight+css(el,'marginTop')+css(el,'marginBottom');};})(jQuery);

Just swap it out with your current jCarouselLite script and use it just the same.

渔村楼浪 2024-08-21 01:39:38

如果您能够/有权更改插件代码:

添加一个变量以将间隔 ID 保存到插件默认值中

interval: null

搜索:

if(o.auto)

获取此处执行的代码并用它创建一个内部函数,如下所示:

function runAuto() {
    setInterval(function() {
        go(curr+o.scroll);
    }, o.auto+o.speed);
}

现在只需将间隔保存到您的插件中即可。定义的变量,但首先清除它:

function runAuto() {
    clearInterval(o.interval);
    o.interval = setInterval(function() {
        go(curr+o.scroll);
    }, o.auto+o.speed);
}

在插件中搜索go()函数并添加一个runAuto(),因此每次调用函数go时都会重置间隔。

当然,您还必须将 runAuto() 调用添加到 if(o.auto),以便间隔首先开始。

If you are able/authorized to change the plugin code:

Add a variable to save the interval id to the plugins defaults

interval: null

Search for:

if(o.auto)

Take the code which is executed here and make an internal function with it like:

function runAuto() {
    setInterval(function() {
        go(curr+o.scroll);
    }, o.auto+o.speed);
}

Now just save the interval to your defined variable but clear it first:

function runAuto() {
    clearInterval(o.interval);
    o.interval = setInterval(function() {
        go(curr+o.scroll);
    }, o.auto+o.speed);
}

Search for the go() function in the plugin and add a runAuto(), so each time the function go is called it resets the interval.

Of course you must also add the runAuto() call to if(o.auto) so the interval starts at first.

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