好吧,我經常想要我自己,但從來沒有動機坐下來等等。 既然你現在問我,我沒有坐下來,並且按照你的要求,黑客jQuery UI的滑塊來添加填充選項。
注:我只添加它爲單個句柄水平滑塊。其他情況並不複雜。我只是沒有動機去做打字和隨後的測試來覆蓋現在可能不需要的情況。
包含來自jQuery UI的原始滑塊後包含此代碼。該擴展會覆蓋一些方法,並將選項'paddingMin'和'paddingMax'添加到Slider小部件中(值必須是數字,並且會被解釋爲像素;這也可以很容易地擴展爲接受其他單位,但顯然將意味着對當前未請求的案件進行更多的打字/測試)。
簡單的使用例子:
$('#slider').slider({ paddingMin: 50, paddingMax: 100 });
擴展破解代碼(如提供的,不要告我):
(
function($, undefined)
{
$.ui.slider.prototype.options =
$.extend(
{},
$.ui.slider.prototype.options,
{
paddingMin: 0,
paddingMax: 0
}
);
$.ui.slider.prototype._refreshValue =
function() {
var
oRange = this.options.range,
o = this.options,
self = this,
animate = (!this._animateOff) ? o.animate : false,
valPercent,
_set = {},
elementWidth,
elementHeight,
paddingMinPercent,
paddingMaxPercent,
paddedBarPercent,
lastValPercent,
value,
valueMin,
valueMax;
if (self.orientation === "horizontal")
{
elementWidth = this.element.outerWidth();
paddingMinPercent = o.paddingMin * 100/elementWidth;
paddedBarPercent = (elementWidth - (o.paddingMin + o.paddingMax)) * 100/elementWidth;
}
else
{
elementHeight = this.element.outerHeight();
paddingMinPercent = o.paddingMin * 100/elementHeight;
paddedBarPercent = (elementHeight - (o.paddingMin + o.paddingMax)) * 100/elementHeight;
}
if (this.options.values && this.options.values.length) {
this.handles.each(function(i, j) {
valPercent =
((self.values(i) - self._valueMin())/(self._valueMax() - self._valueMin()) * 100)
* paddedBarPercent/100 + paddingMinPercent;
_set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
$(this).stop(1, 1)[ animate ? "animate" : "css" ](_set, o.animate);
if (self.options.range === true) {
if (self.orientation === "horizontal") {
if (i === 0) {
self.range.stop(1, 1)[ animate ? "animate" : "css" ]({ left: valPercent + "%" }, o.animate);
}
if (i === 1) {
self.range[ animate ? "animate" : "css" ]({ width: (valPercent - lastValPercent) + "%" }, { queue: false, duration: o.animate });
}
} else {
if (i === 0) {
self.range.stop(1, 1)[ animate ? "animate" : "css" ]({ bottom: (valPercent) + "%" }, o.animate);
}
if (i === 1) {
self.range[ animate ? "animate" : "css" ]({ height: (valPercent - lastValPercent) + "%" }, { queue: false, duration: o.animate });
}
}
}
lastValPercent = valPercent;
});
} else {
value = this.value();
valueMin = this._valueMin();
valueMax = this._valueMax();
valPercent =
((valueMax !== valueMin)
? (value - valueMin)/(valueMax - valueMin) * 100
: 0)
* paddedBarPercent/100 + paddingMinPercent;
_set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
this.handle.stop(1, 1)[ animate ? "animate" : "css" ](_set, o.animate);
if (oRange === "min" && this.orientation === "horizontal") {
this.range.stop(1, 1)[ animate ? "animate" : "css" ]({ width: valPercent + "%" }, o.animate);
}
if (oRange === "max" && this.orientation === "horizontal") {
this.range[ animate ? "animate" : "css" ]({ width: (100 - valPercent) + "%" }, { queue: false, duration: o.animate });
}
if (oRange === "min" && this.orientation === "vertical") {
this.range.stop(1, 1)[ animate ? "animate" : "css" ]({ height: valPercent + "%" }, o.animate);
}
if (oRange === "max" && this.orientation === "vertical") {
this.range[ animate ? "animate" : "css" ]({ height: (100 - valPercent) + "%" }, { queue: false, duration: o.animate });
}
}
};
$.ui.slider.prototype._normValueFromMouse =
function(position) {
var
o = this.options,
pixelTotal,
pixelMouse,
percentMouse,
valueTotal,
valueMouse;
if (this.orientation === "horizontal") {
pixelTotal = this.elementSize.width - (o.paddingMin + o.paddingMax);
pixelMouse = position.x - this.elementOffset.left - o.paddingMin - (this._clickOffset ? this._clickOffset.left : 0);
} else {
pixelTotal = this.elementSize.height - (o.paddingMin + o.paddingMax);
pixelMouse = position.y - this.elementOffset.top - o.paddingMin - (this._clickOffset ? this._clickOffset.top : 0);
}
percentMouse = (pixelMouse/pixelTotal);
if (percentMouse > 1) {
percentMouse = 1;
}
if (percentMouse < 0) {
percentMouse = 0;
}
if (this.orientation === "vertical") {
percentMouse = 1 - percentMouse;
}
valueTotal = this._valueMax() - this._valueMin();
valueMouse = this._valueMin() + percentMouse * valueTotal;
return this._trimAlignValue(valueMouse);
};
}
)(jQuery);
我只是好奇,爲什麼你會希望它像工作這個?除非這個想法是你不能使用滑塊設置最小值和最大值,而不僅僅是外觀。否則,如果最小值或最大值被設置時滑塊不在滑塊的盡頭,滑塊將無法正常工作。 – pkauko 2010-10-01 07:16:40
@pkauko:看到我對我的問題所做的補充。 – 2010-10-01 07:39:06
好吧,現在我可以看到爲什麼你希望它像描述的那樣工作。太糟糕了,我無法幫助你實現理想的行爲。不過,我可能有一個想法,我會盡快回答。 – pkauko 2010-10-01 08:04:54