动态定位Bootstrap工具提示(用于动态生成的元素)
I am using the Tooltips provided by Twitter Bootstrap (http://twitter.github.com/bootstrap/javascript.html#tooltips).
我正在使用Twitter Bootstrap提供的工具提示(http://twitter.github.com/bootstrap/javascript.html#tooltips)。
I have some dynamically inserted markup in my DOM which needs to trigger the tooltips. That's why I trigger tooltips in the following way (https://github.com/twitter/bootstrap/issues/4215):
我的DOM中有一些动态插入的标记需要触发工具提示。这就是我以下列方式触发工具提示的原因(https://github.com/twitter/bootstrap/issues/4215):
$('body').tooltip({
delay: { show: 300, hide: 0 },
selector: '[rel=tooltip]:not([disabled])'
});
To avoid tooltips being placed too close to the edge of the screen, I need to be able to set their position dynamically based on where the element which triggers the tooltip is positioned. I thought of doing it the following way:
为了避免将工具提示放置得太靠近屏幕边缘,我需要能够根据触发工具提示的元素的位置动态设置它们的位置。我想到了以下方式:
$('body').tooltip({
delay: { show: 300, hide: 0 },
// here comes the problem...
placement: positionTooltip(this),
selector: '[rel=tooltip]:not([disabled])'
});
function positionTooltip(currentElement) {
var position = $(currentElement).position();
if (position.left > 515) {
return "left";
}
if (position.left < 515) {
return "right";
}
if (position.top < 110){
return "bottom";
}
return "top";
}
How can I pass currentElement correctly to the positionTooltip function in order to return the appropriate placement value for each tooltip?
如何将currentElement正确传递给positionTooltip函数,以便为每个工具提示返回适当的放置值?
Thanks in advance
提前致谢
6 个解决方案
#1
32
Bootstrap calls the placement function with params that includes the element
Bootstrap使用包含该元素的参数调用放置函数
this.options.placement.call(this, $tip[0], this.$element[0])
so in your case, do this :
所以在你的情况下,这样做:
$('body').tooltip({
delay: { show: 300, hide: 0 },
placement: function(tip, element) { //$this is implicit
var position = $(element).position();
if (position.left > 515) {
return "left";
}
if (position.left < 515) {
return "right";
}
if (position.top < 110){
return "bottom";
}
return "top";
},
selector: '[rel=tooltip]:not([disabled])'
});
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