mopidy-musicbox-webclient/js/fd-slider.js
Wouter van Wijk 581dc058e1 first commit for new version
it's messy, but i'll clean it up if I find the time
2012-12-28 00:46:48 +01:00

1111 lines
44 KiB
JavaScript
Executable File

/*! Unobtrusive Slider Control / HTML5 Input Range polyfill - MIT/GPL2 @freqdec */
var fdSlider = (function() {
var sliders = {}, uniqueid = 0, mouseWheelEnabled = true, fullARIA = true, describedBy = "fd-slider-describedby", varSetRules = {
onfocus : true,
onvalue : true
}, noRangeBar = false, html5Animation = "jump", isOpera = Object.prototype.toString.call(window.opera) === "[object Opera]", fpRegExp = /^([-]{0,1}[0-9]+(\.[0-9]+){0,1})$/, stepRegExp = /^([0-9]+(\.[0-9]+){0,1})$/;
var parseJSON = function(str) {
if ( typeof str !== "string" || str == "") {
return {}
}
try {
if ( typeof JSON === "object" && typeof (JSON.parse) === "function") {
return JSON.parse(str)
} else {
if (/mousewheelenabled|fullaria|describedby|norangebar|html5animation|varsetrules/.test(str.toLowerCase())) {
var f = Function(["var document,top,self,window,parent,Number,Date,Object,Function,", "Array,String,Math,RegExp,Image,ActiveXObject;", "return (", str.replace(/<\!--.+-->/gim, "").replace(/\bfunction\b/g, "function-"), ");"].join(""));
return f()
}
}
} catch(e) {
}
return {
err : "Could not parse the JSON object"
}
};
var affectJSON = function(json) {
if ( typeof json !== "object") {
return
}
for (key in json) {
value = json[key];
switch(key.toLowerCase()) {
case"mousewheelenabled":
mouseWheelEnabled = !!value;
break;
case"fullaria":
fullARIA = !!value;
break;
case"describedby":
describedBy = String(value);
break;
case"norangebar":
noRangeBar = !!value;
break;
case"html5animation":
html5Animation = String(value).search(/^(jump|tween|timed)$/i) != -1 ? String(value).toLowerCase() : "jump";
break;
case"varsetrules":
if ("onfocus" in value) {
varSetRules.onfocus = !!value.onfocus
}
if ("onvalue" in value) {
varSetRules.onvalue = !!value.onvalue
}
break
}
}
};
var addEvent = function(obj, type, fn) {
if (obj.attachEvent) {
obj.attachEvent("on" + type, fn)
} else {
obj.addEventListener(type, fn, true)
}
};
var removeEvent = function(obj, type, fn) {
try {
if (obj.detachEvent) {
obj.detachEvent("on" + type, fn)
} else {
obj.removeEventListener(type, fn, true)
}
} catch(err) {
}
};
var stopEvent = function(e) {
e = e || window.event;
if (e.stopPropagation) {
e.stopPropagation();
e.preventDefault()
}
/*@cc_on@*/
/*@if(@_win32)
e.cancelBubble = true;
e.returnValue = false;
/*@end@*/
return false
};
var preventDefault = function(e) {
e = e || window.event;
if (e.preventDefault) {
e.preventDefault();
return
}
e.returnValue = false
};
var addClass = function(e, c) {
if (new RegExp("(^|\\s)" + c + "(\\s|$)").test(e.className)) {
return
}
e.className += (e.className ? " " : "") + c
};
var removeClass = function(e, c) {
e.className = !c ? "" : e.className.replace(new RegExp("(^|\\s)" + c + "(\\s|$)"), " ").replace(/^\s\s*/, "").replace(/\s\s*$/, "")
};
var getValueSet = function() {
var obj = {};
for (id in sliders) {
obj[id] = sliders[id].getValueSet()
}
return obj
};
var setValueSet = function(sliderId, tf) {
sliders[sliderId].setValueSet(!!tf)
};
var sliderExists = function(slider) {
return !!( slider in sliders && sliders.hasOwnProperty(slider))
};
var createSlider = function(options) {
if (!options || !options.inp || !options.inp.tagName || options.inp.tagName.search(/^input|select/i) == -1) {
return false
}
options.html5Shim = false;
if (options.inp.tagName.toLowerCase() == "select") {
if (options.inp.options.length < 2) {
return false
}
options.min = 0;
options.max = options.inp.options.length - 1;
options.step = 1;
options.precision = 0;
options.scale = false;
options.forceValue = true
} else {
if (String(options.inp.type).search(/^(text|range)$/i) == -1) {
return false
}
options.min = options.min && String(options.min).search(fpRegExp) != -1 ? +options.min : 0;
options.max = options.max && String(options.max).search(fpRegExp) != -1 ? +options.max : 100;
options.step = options.step && String(options.step).search(stepRegExp) != -1 ? options.step : 1;
options.precision = options.precision && String(options.precision).search(/^[0-9]+$/) != -1 ? options.precision : (String(options.step).search(/\.([0-9]+)$/) != -1 ? String(options.step).match(/\.([0-9]+)$/)[1].length : 0);
options.scale = options.scale || false;
options.forceValue = ("forceValue" in options) ? !!options.forceValue : false;
options.userSnap = ("userSnap" in options) ? !!options.userSnap : false
}
options.ariaFormat = ("ariaFormat" in options) && typeof options.ariaFormat == "function" ? options.ariaFormat : false;
options.maxStep = options.maxStep && String(options.maxStep).search(stepRegExp) != -1 ? +options.maxStep : +options.step * 2;
options.classNames = options.classNames || "";
options.callbacks = options.callbacks || false;
destroySingleSlider(options.inp.id);
sliders[options.inp.id] = new fdRange(options);
return true
};
var getAttribute = function(elem, att) {
return elem.getAttribute(att) || ""
};
var init = function() {
var inputs = document.getElementsByTagName("input"), options;
for (var i = 0, inp; inp = inputs[i]; i++) {
if (inp.tagName.toLowerCase() == "input" && inp.type.toLowerCase() == "text" && (getAttribute(inp, "min") && getAttribute(inp, "min").search(fpRegExp) != -1 || getAttribute(inp, "max") && getAttribute(inp, "max").search(fpRegExp) != -1 || getAttribute(inp, "step") && getAttribute(inp, "step").search(/^(any|([0-9]+(\.[0-9]+){0,1}))$/i) != -1)) {
if (inp.id && document.getElementById("fd-slider-" + inp.id)) {
continue
} else {
if (inp.id && !document.getElementById("fd-slider-" + inp.id)) {
destroySingleSlider(inp.id)
}
}
if (!inp.id) {
inp.id = "fd-slider-form-elem-" + uniqueid++
}
options = {
inp : inp,
callbacks : [],
animation : html5Animation,
vertical : getAttribute(inp, "data-fd-slider-vertical") ? true : !!(inp.offsetHeight > inp.offsetWidth),
classNames : getAttribute(inp, "data-fd-slider-vertical"),
html5Shim : true
};
if (options.vertical && !getAttribute(inp, "data-fd-slider-vertical")) {
options.inpHeight = inp.offsetHeight
}
options.min = getAttribute(inp, "min") || 0;
options.max = getAttribute(inp, "max") || 100;
options.step = getAttribute(inp, "step").search(/^any$/i) != -1 ? options.max - options.min : getAttribute(inp, "step").search(stepRegExp) != -1 ? inp.getAttribute("step") : 1;
options.precision = String(options.step).search(/\.([0-9]+)$/) != -1 ? String(options.step).match(/\.([0-9]+)$/)[1].length : 0;
options.maxStep = options.step * 2;
destroySingleSlider(options.inp.id);
sliders[options.inp.id] = new fdRange(options)
}
}
return true
};
var destroySingleSlider = function(id) {
if ( id in sliders && sliders.hasOwnProperty(id)) {
sliders[id].destroy();
delete sliders[id];
return true
}
return false
};
var destroyAllsliders = function(e) {
for (slider in sliders) {
if (sliders.hasOwnProperty(slider)) {
sliders[slider].destroy()
}
}
sliders = []
};
var unload = function(e) {
destroyAllsliders();
sliders = null
};
var resize = function(e) {
for (slider in sliders) {
if (sliders.hasOwnProperty(slider)) {
sliders[slider].onResize()
}
}
};
var onDomReady = function() {
removeOnLoadEvent();
init()
};
var removeOnLoadEvent = function() {
removeEvent(window, "load", init)
};
function fdRange(options) {
var inp = options.inp, disabled = false, tagName = inp.tagName.toLowerCase(), min = +options.min, max = +options.max, rMin = +options.min, rMax = +options.max, range = Math.abs(max - min), step = tagName == "select" ? 1 : +options.step, maxStep = options.maxStep ? +options.maxStep : step * 2, precision = options.precision || 0, steps = Math.ceil(range / step), scale = options.scale || false, hideInput = !!options.hideInput, animation = options.animation || "", vertical = !!options.vertical, callbacks = options.callbacks || {}, classNames = options.classNames || "", html5Shim = !!options.html5Shim, defaultVal = max < min ? min : min + ((max - min) / 2), resetDef = tagName == "select" ? inp.selectedIndex : inp.defaultValue || defaultVal, forceValue = html5Shim || !!options.forceValue, inpHeight = html5Shim && vertical && ("inpHeight" in options) ? options.inpHeight : false, ariaFormat = !html5Shim && options.ariaFormat ? options.ariaFormat : false, userSnap = !html5Shim && !(tagName == "select") && ("userSnap" in options) ? !!options.userSnap : false, userInput = false, timer = null, kbEnabled = true, initialVal = tagName == "select" ? inp.selectedIndex : inp.value, sliderH = 0, sliderW = 0, tweenX = 0, tweenB = 0, tweenC = 0, tweenD = 0, frame = 0, x = 0, y = 0, rMaxPx = 0, rMinPx = 0, handlePos = 0, destPos = 0, mousePos = 0, stepPx = 0, userSet = false, touchEvents = false, outerWrapper, innerWrapper, ieBlur, handle, rangeBar, bar;
if (tagName == "input" && forceValue && !inp.defaultValue) {
inp.defaultValue = getWorkingValueFromInput()
}
if (max < min) {
step = -Math.abs(step);
maxStep = -Math.abs(maxStep)
}
if (scale) {
scale[100] = max
}
function valueSet(tf) {
tf = !!tf;
if (tf != userSet) {
userSet = tf;
valueToPixels(getWorkingValueFromInput())
}
}
function disableSlider(noCallback) {
if (disabled && !noCallback) {
return
}
try {
setTabIndex(handle, -1);
removeEvent(handle, "focus", onFocus);
removeEvent(handle, "blur", onBlur);
if (!isOpera) {
removeEvent(handle, "keydown", onKeyDown);
removeEvent(handle, "keypress", onKeyPress)
} else {
removeEvent(handle, "keypress", onKeyDown)
}
removeEvent(outerWrapper, "mouseover", onMouseOver);
removeEvent(outerWrapper, "mouseout", onMouseOut);
removeEvent(outerWrapper, "mousedown", onMouseDown);
removeEvent(outerWrapper, "touchstart", onMouseDown);
if (mouseWheelEnabled) {
if (window.addEventListener && !window.devicePixelRatio) {
window.removeEventListener("DOMMouseScroll", trackMouseWheel, false)
} else {
removeEvent(document, "mousewheel", trackMouseWheel);
removeEvent(window, "mousewheel", trackMouseWheel)
}
}
} catch(err) {
}
removeClass(innerWrapper, "fd-slider-focused");
removeClass(innerWrapper, "fd-slider-active");
addClass(innerWrapper, "fd-slider-disabled");
outerWrapper.setAttribute("aria-disabled", true);
inp.disabled = disabled = true;
clearTimeout(timer);
if (!noCallback) {
callback("disable")
}
}
function enableSlider(noCallback) {
if (!disabled && !noCallback) {
return
}
setTabIndex(handle, 0);
addEvent(handle, "focus", onFocus);
addEvent(handle, "blur", onBlur);
if (!isOpera) {
addEvent(handle, "keydown", onKeyDown);
addEvent(handle, "keypress", onKeyPress)
} else {
addEvent(handle, "keypress", onKeyDown)
}
addEvent(outerWrapper, "touchstart", onMouseDown);
addEvent(outerWrapper, "mousedown", onMouseDown);
addEvent(outerWrapper, "mouseover", onMouseOver);
addEvent(outerWrapper, "mouseout", onMouseOut);
removeClass(innerWrapper, "fd-slider-disabled");
outerWrapper.setAttribute("aria-disabled", false);
inp.disabled = disabled = touchEvents = false;
if (!noCallback) {
callback("enable")
}
}
function destroySlider() {
clearTimeout(timer);
ieBlur = bar = handle = outerWrapper = innerWrapper = timer = null;
callback("destroy");
callbacks = null
}
function redraw() {
locate();
try {
var sW = outerWrapper.offsetWidth, sH = outerWrapper.offsetHeight, hW = handle.offsetWidth, hH = handle.offsetHeight, bH = bar.offsetHeight, bW = bar.offsetWidth, mPx = vertical ? sH - hH : sW - hW;
stepPx = mPx / steps;
rMinPx = Math.max( scale ? percentToPixels(valueToPercent(rMin)) : Math.abs((rMin - min) / step) * stepPx, 0);
rMaxPx = Math.min( scale ? percentToPixels(valueToPercent(rMax)) : Math.abs((rMax - min) / step) * stepPx, Math.floor( vertical ? sH - hH : sW - hW));
sliderW = sW;
sliderH = sH;
valueToPixels( forceValue ? getWorkingValueFromInput() : (tagName == "select" ? inp.selectedIndex : parseFloat(inp.value)), false)
} catch(err) {
}
callback("redraw")
}
function callback(type) {
if (!html5Shim) {
if (callbacks.hasOwnProperty(type)) {
var cbObj = {
userSet : userSet,
disabled : disabled,
elem : inp,
value : tagName == "select" ? inp.options[inp.selectedIndex].value : inp.value
};
for (var i = 0, func; func = callbacks[type][i]; i++) {
func.call(inp, cbObj)
}
}
} else {
if (type.match(/^(blur|focus|change)$/i)) {
if ( typeof (document.createEventObject) != "undefined") {
try {
var e = document.createEventObject();
inp.fireEvent("on" + type.toLowerCase(), e)
} catch(err) {
}
} else {
if ( typeof (document.createEvent) != "undefined") {
var e = document.createEvent("HTMLEvents");
e.initEvent(type, true, true);
inp.dispatchEvent(e)
}
}
}
}
}
function onFocus(e) {
addClass(innerWrapper, "fd-slider-focused");
if (varSetRules.onfocus) {
userSet = true;
valueToPixels(getWorkingValueFromInput())
}
if (mouseWheelEnabled) {
addEvent(window, "DOMMouseScroll", trackMouseWheel);
addEvent(document, "mousewheel", trackMouseWheel);
if (!isOpera) {
addEvent(window, "mousewheel", trackMouseWheel)
}
}
callback("focus");
return true
}
function onBlur(e) {
removeClass(innerWrapper, "fd-slider-focused");
if (mouseWheelEnabled) {
removeEvent(document, "mousewheel", trackMouseWheel);
removeEvent(window, "DOMMouseScroll", trackMouseWheel);
if (!isOpera) {
removeEvent(window, "mousewheel", trackMouseWheel)
}
}
kbEnabled = true;
callback("blur")
}
function trackMouseWheel(e) {
if (!kbEnabled) {
return
}
e = e || window.event;
var delta = 0, value;
if (e.wheelDelta) {
delta = e.wheelDelta / 120;
if (isOpera && window.opera.version() < 9.2) {
delta = -delta
}
} else {
if (e.detail) {
delta = -e.detail / 3
}
}
if (vertical) {
delta = -delta
}
if (delta) {
value = getWorkingValueFromInput();
value += (delta < 0) ? -step : step;
userSet = true;
valueToPixels(getValidValue(value))
}
preventDefault(e)
}
function onKeyPress(e) {
e = e || window.event;
if ((e.keyCode >= 33 && e.keyCode <= 40) || !kbEnabled || e.keyCode == 45 || e.keyCode == 46) {
return stopEvent(e)
}
return true
}
function onKeyDown(e) {
if (!kbEnabled) {
return true
}
e = e || window.event;
var kc = e.keyCode != null ? e.keyCode : e.charCode, value;
if (kc < 33 || (kc > 40 && (kc != 45 && kc != 46))) {
return true
}
value = getWorkingValueFromInput();
if (kc == 37 || kc == 40 || kc == 46 || kc == 34) {
value -= (e.ctrlKey || kc == 34 ? +maxStep : +step)
} else {
if (kc == 39 || kc == 38 || kc == 45 || kc == 33) {
value += (e.ctrlKey || kc == 33 ? +maxStep : +step)
} else {
if (kc == 35) {
value = rMax
} else {
if (kc == 36) {
value = rMin
}
}
}
}
userSet = true;
valueToPixels(getValidValue(value));
callback("update");
preventDefault(e)
}
function onMouseOver(e) {
addClass(innerWrapper, "fd-slider-hover")
}
function onMouseOut(e) {
removeClass(innerWrapper, "fd-slider-hover")
}
function onMouseDown(e) {
e = e || window.event;
preventDefault(e);
var targ;
if (e.target) {
targ = e.target
} else {
if (e.srcElement) {
targ = e.srcElement
}
}
if (targ && targ.nodeType == 3) {
targ = targ.parentNode
}
if (e.touches) {
if (e.targetTouches && e.targetTouches.length != 1) {
return false
}
e = e.touches[0];
touchEvents = true
}
clearTimeout(timer);
timer = null;
kbEnabled = false;
userSet = true;
if (targ.className.search("fd-slider-handle") != -1) {
mousePos = vertical ? e.clientY : e.clientX;
handlePos = parseInt( vertical ? handle.offsetTop : handle.offsetLeft) || 0;
trackMouse(e);
if (!touchEvents) {
addEvent(document, "mousemove", trackMouse);
addEvent(document, "mouseup", stopDrag)
} else {
addEvent(document, "touchmove", trackMouse);
addEvent(document, "touchend", stopDrag);
removeEvent(outerWrapper, "mousedown", onMouseDown)
}
addClass(innerWrapper, "fd-slider-active");
addClass(document.body, "fd-slider-drag-" + ( vertical ? "vertical" : "horizontal"));
callback("dragstart")
} else {
locate();
var posx = 0;
if (e.pageX || e.pageY) {
posx = vertical ? e.pageY : e.pageX
} else {
if (e.clientX || e.clientY) {
posx = vertical ? e.clientY + document.body.scrollTop + document.documentElement.scrollTop : e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft
}
}
posx -= vertical ? y + Math.round(handle.offsetHeight / 2) : x + Math.round(handle.offsetWidth / 2);
posx = snapToPxValue(posx);
if (animation == "tween") {
addClass(innerWrapper, "fd-slider-active");
tweenTo(posx)
} else {
if (animation == "timed") {
addClass(innerWrapper, "fd-slider-active");
addEvent(document, touchEvents ? "touchend" : "mouseup", onDocMouseUp);
destPos = posx;
onTimer()
} else {
pixelsToValue(posx)
}
}
}
return false
}
function onDocMouseUp(e) {
e = e || window.event;
preventDefault(e);
removeEvent(document, touchEvents ? "touchend" : "mouseup", onDocMouseUp);
removeClass(innerWrapper, "fd-slider-active");
clearTimeout(timer);
timer = null;
kbEnabled = true;
return false
}
function stopDrag(e) {
e = e || window.event;
preventDefault(e);
if (touchEvents) {
removeEvent(document, "touchmove", trackMouse);
removeEvent(document, "touchend", stopDrag)
} else {
removeEvent(document, "mousemove", trackMouse);
removeEvent(document, "mouseup", stopDrag)
}
kbEnabled = true;
removeClass(document.body, "fd-slider-drag-" + ( vertical ? "vertical" : "horizontal"));
removeClass(innerWrapper, "fd-slider-active");
callback("dragend");
return false
}
function trackMouse(e) {
e = e || window.event;
preventDefault(e);
if (e.touches) {
if (e.targetTouches && e.targetTouches.length != 1) {
return false
}
e = e.touches[0]
}
pixelsToValue(snapToPxValue(handlePos + ( vertical ? e.clientY - mousePos : e.clientX - mousePos)));
return false
}
function increment(inc) {
var value = getWorkingValueFromInput();
userSet = true;
value += inc * step;
valueToPixels(getValidValue(value))
}
function locate() {
var curleft = 0, curtop = 0, obj = outerWrapper;
try {
while (obj.offsetParent) {
curleft += obj.offsetLeft;
curtop += obj.offsetTop;
obj = obj.offsetParent
}
} catch(err) {
}
x = curleft;
y = curtop
}
function onTimer() {
var xtmp = parseInt( vertical ? handle.offsetTop : handle.offsetLeft, 10);
xtmp = Math.round((destPos < xtmp) ? Math.max(destPos, Math.floor(xtmp - stepPx)) : Math.min(destPos, Math.ceil(xtmp + stepPx)));
pixelsToValue(snapToPxValue(xtmp));
if (xtmp != destPos) {
timer = setTimeout(onTimer, steps > 20 ? 50 : 100)
} else {
kbEnabled = true;
removeClass(innerWrapper, "fd-slider-active");
callback("finalise")
}
}
var tween = function() {
frame++;
var c = tweenC, d = 20, t = frame, b = tweenB, x = Math.ceil((t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b);
pixelsToValue(t == d ? tweenX : x);
if (t != d) {
callback("move");
timer = setTimeout(tween, 20)
} else {
clearTimeout(timer);
timer = null;
kbEnabled = true;
removeClass(innerWrapper, "fd-slider-focused");
removeClass(innerWrapper, "fd-slider-active");
callback("finalise")
}
};
function tweenTo(tx) {
kbEnabled = false;
tweenX = parseInt(tx, 10);
tweenB = parseInt( vertical ? handle.offsetTop : handle.offsetLeft, 10);
tweenC = tweenX - tweenB;
tweenD = 20;
frame = 0;
if (!timer) {
timer = setTimeout(tween, 20)
}
}
function checkValue(value) {
if (isNaN(value) || value === "" || typeof value == "undefined") {
userSet = false;
return defaultVal
} else {
if (value < Math.min(rMin, rMax)) {
userSet = false;
return Math.min(rMin, rMax)
} else {
if (value > Math.max(rMin, rMax)) {
userSet = false;
return Math.max(rMin, rMax)
}
}
}
userSet = true;
return value
}
function getWorkingValueFromInput() {
return getValidValue(tagName == "input" ? parseFloat(inp.value) : inp.selectedIndex)
}
function getValidValue(value) {
return (isNaN(value) || value === "" || typeof value == "undefined") ? defaultVal : Math.min(Math.max(value, Math.min(rMin, rMax)), Math.max(rMin, rMax))
}
function pixelsToValue(px) {
var val = getValidValue( scale ? percentToValue(pixelsToPercent(px)) : vertical ? max - (Math.round(px / stepPx) * step) : min + (Math.round(px / stepPx) * step));
handle.style[ vertical ? "top" : "left"] = (px || 0) + "px";
redrawRange();
setInputValue((tagName == "select" || step == 1) ? Math.round(val) : val)
}
function valueToPixels(val, updateInputValue) {
var clearVal = false, value;
if (( typeof val === "undefined" || isNaN(val) || val === "") && tagName == "input" && !forceValue) {
value = defaultVal;
clearVal = true;
userSet = false
} else {
value = checkValue(val)
}
handle.style[ vertical ? "top" : "left"] = ( scale ? percentToPixels(valueToPercent(value)) : vertical ? Math.round(((max - value) / step) * stepPx) : Math.round(((value - min) / step) * stepPx)) + "px";
redrawRange();
if (!( typeof updateInputValue === false)) {
setInputValue( clearVal ? "" : value)
}
}
function snapToPxValue(px) {
if (scale) {
return Math.max(Math.min(rMaxPx, px), rMinPx)
} else {
var rem = px % stepPx;
if (rem && rem >= (stepPx / 2)) {
px += (stepPx - rem)
} else {
px -= rem
}
if (px < Math.min(Math.abs(rMinPx), Math.abs(rMaxPx))) {
px = Math.min(Math.abs(rMinPx), Math.abs(rMaxPx))
} else {
if (px > Math.max(Math.abs(rMinPx), Math.abs(rMaxPx))) {
px = Math.max(Math.abs(rMinPx), Math.abs(rMaxPx))
}
}
return Math.min(Math.max(px, 0), rMaxPx)
}
}
function percentToValue(pct) {
var st = 0, fr = min, value;
for (var s in scale) {
if (!scale.hasOwnProperty(s)) {
continue
}
if (pct >= st && pct <= +s) {
value = fr + ((pct - st) * (+scale[s] - fr)) / (+s - st)
}
st = +s;
fr = +scale[s]
}
return value
}
function valueToPercent(value) {
var st = 0, fr = min, pct = 0;
for (var s in scale) {
if (!scale.hasOwnProperty(s)) {
continue
}
if (value >= fr && value <= +scale[s]) {
pct = st + (value - fr) * (+s - st) / (+scale[s] - fr)
}
st = +s;
fr = +scale[s]
}
return pct
}
function percentToPixels(percent) {
return ((outerWrapper[ vertical ? "offsetHeight" : "offsetWidth"] - handle[ vertical ? "offsetHeight" : "offsetWidth"]) / 100) * percent
}
function pixelsToPercent(pixels) {
return pixels / ((outerWrapper[ vertical ? "offsetHeight" : "offsetWidth"] - outerWrapper[ handle ? "offsetHeight" : "offsetWidth"]) / 100)
}
function setInputValue(val) {
callback("update");
if (!userSet) {
addClass(innerWrapper, "fd-slider-no-value")
} else {
removeClass(innerWrapper, "fd-slider-no-value")
}
if (tagName == "select") {
try {
val = parseInt(val, 10);
if (inp.selectedIndex === val) {
updateAriaValues();
return
}
inp.options[val].selected = true
} catch(err) {
}
} else {
if (val != "" && !userInput) {
val = (min + (Math.round((val - min) / step) * step)).toFixed(precision)
}
if (inp.value === val) {
updateAriaValues();
return
}
inp.value = val
}
updateAriaValues();
callback("change")
}
function checkInputValue(value) {
return !(isNaN(value) || value === "" || value < Math.min(rMin, rMax) || value > Math.max(rMin, rMax))
}
function setSliderRange(newMin, newMax) {
if (rMin > rMax) {
newMin = Math.min(min, Math.max(newMin, newMax));
newMax = Math.max(max, Math.min(newMin, newMax));
rMin = Math.max(newMin, newMax);
rMax = Math.min(newMin, newMax)
} else {
newMin = Math.max(min, Math.min(newMin, newMax));
newMax = Math.min(max, Math.max(newMin, newMax));
rMin = Math.min(newMin, newMax);
rMax = Math.max(newMin, newMax)
}
if (defaultVal < Math.min(rMin, rMax)) {
defaultVal = Math.min(rMin, rMax)
} else {
if (defaultVal > Math.max(rMin, rMax)) {
defaultVal = Math.max(rMin, rMax)
}
}
handle.setAttribute("aria-valuemin", rMin);
handle.setAttribute("aria-valuemax", rMax);
checkValue(tagName == "input" ? parseFloat(inp.value) : inp.selectedIndex);
redraw()
}
function redrawRange() {
if (noRangeBar) {
return
}
if (vertical) {
rangeBar.style.height = Math.max(1, (bar.offsetHeight - handle.offsetTop)) + "px"
} else {
rangeBar.style.width = Math.max(1, handle.offsetLeft) + "px"
}
}
function findLabel() {
var label = false, labelList = document.getElementsByTagName("label");
for (var i = 0, lbl; lbl = labelList[i]; i++) {
if ((lbl.htmlFor && lbl.htmlFor == inp.id) || (lbl.getAttribute("for") == inp.id)) {
label = lbl;
break
}
}
if (label && !label.id) {
label.id = inp.id + "_label"
}
return label
}
function updateAriaValues() {
var val = tagName == "select" ? inp.options[inp.selectedIndex].value : inp.value, valTxt = ariaFormat ? ariaFormat(val) : tagName == "select" ? (inp.options[inp.selectedIndex].text ? inp.options[inp.selectedIndex].text : val) : val;
handle.setAttribute("aria-valuenow", val);
handle.setAttribute("aria-valuetext", valTxt)
}
function onInputChange(e) {
userSet = true;
userInput = userSnap;
valueToPixels(tagName == "input" ? parseFloat(inp.value) : inp.selectedIndex);
updateAriaValues();
userInput = false
}
function onReset(e) {
if (tagName == "input") {
inp.value = inp.defaultValue
} else {
inp.selectedIndex = resetDef
}
checkValue(tagName == "select" ? inp.options[inp.selectedIndex].value : inp.value);
redraw();
updateAriaValues()
}
function valueSet(tf) {
userSet = !!tf
}
function setTabIndex(e, i) {
e.setAttribute(!
/*@cc_on!@*/false ? "tabIndex" : "tabindex", i);
e.tabIndex = i
}
(function() {
if (html5Shim || hideInput) {
addClass(inp, "fd-form-element-hidden")
} else {
addEvent(inp, "change", onInputChange)
}
if (html5Shim) {
inp.stepUp = function(n) {
increment(n || 1)
};
inp.stepDown = function(n) {
increment(n || -1)
}
}
outerWrapper = document.createElement("span");
outerWrapper.className = "fd-slider" + ( vertical ? "-vertical " : " ") + classNames;
outerWrapper.id = "fd-slider-" + inp.id;
if (vertical && inpHeight) {
outerWrapper.style.height = inpHeight + "px"
}
innerWrapper = document.createElement("span");
innerWrapper.className = "fd-slider-wrapper" + (!html5Shim ? " fd-slider-no-value" : "");
ieBlur = document.createElement("span");
ieBlur.className = "fd-slider-inner";
bar = document.createElement("span");
bar.className = "fd-slider-bar";
if (fullARIA) {
handle = document.createElement("span")
} else {
handle = document.createElement("a");
handle.setAttribute("href", "#");
addEvent(handle, "click", stopEvent)
}
setTabIndex(handle, 0);
handle.className = "fd-slider-handle";
handle.appendChild(document.createTextNode(String.fromCharCode(160)));
innerWrapper.appendChild(ieBlur);
if (!noRangeBar) {
rangeBar = document.createElement("span");
rangeBar.className = "fd-slider-range";
innerWrapper.appendChild(rangeBar)
}
innerWrapper.appendChild(bar);
innerWrapper.appendChild(handle);
outerWrapper.appendChild(innerWrapper);
inp.parentNode.insertBefore(outerWrapper, inp);
if (isOpera ||
/*@cc_on!@*/
!true) {
handle.unselectable = "on";
bar.unselectable = "on";
ieBlur.unselectable = "on";
outerWrapper.unselectable = "on";
innerWrapper.unselectable = "on";
if (!noRangeBar) {
rangeBar.unselectable = "on"
}
}
outerWrapper.setAttribute("role", "application");
handle.setAttribute("role", "slider");
handle.setAttribute("aria-valuemin", tagName == "select" ? inp.options[0].value : min);
handle.setAttribute("aria-valuemax", tagName == "select" ? inp.options[inp.options.length - 1].value : max);
var lbl = findLabel();
if (lbl) {
handle.setAttribute("aria-labelledby", lbl.id);
handle.id = "fd-slider-handle-" + inp.id;
/*@cc_on
/*@if(@_win32)
lbl.setAttribute("htmlFor", handle.id);
@else @*/
lbl.setAttribute("for", handle.id);
/*@end
@*/
}
if (document.getElementById(describedBy)) {
handle.setAttribute("aria-describedby", describedBy)
}
if (inp.getAttribute("disabled") == true) {
disableSlider(true)
} else {
enableSlider(true)
}
if (varSetRules.onvalue) {
userSet = true;
checkValue(tagName == "input" ? parseFloat(inp.value) : inp.selectedIndex)
}
if (inp.form) {
addEvent(inp.form, "reset", onReset)
}
updateAriaValues();
callback("create");
redraw()
})();
return {
onResize : function(e) {
if (outerWrapper.offsetHeight != sliderH || outerWrapper.offsetWidth != sliderW) {
redraw()
}
},
destroy : function() {
destroySlider()
},
reset : function() {
valueToPixels(tagName == "input" ? parseFloat(inp.value) : inp.selectedIndex)
},
stepUp : function(n) {
increment(Math.abs(n) || 1)
},
stepDown : function(n) {
increment(-Math.abs(n) || -1)
},
increment : function(n) {
increment(n)
},
disable : function() {
disableSlider()
},
enable : function() {
enableSlider()
},
setRange : function(mi, mx) {
setSliderRange(mi, mx)
},
getValueSet : function() {
return !!userSet
},
setValueSet : function(tf) {
valueSet(tf)
},
checkValue : function() {
if (varSetRules.onvalue) {
userSet = true;
checkValue(tagName == "input" ? parseFloat(inp.value) : inp.selectedIndex)
}
updateAriaValues();
redraw()
}
}
}
addEvent(window, "load", init);
addEvent(window, "load", function() {
setTimeout(function() {
var slider;
for (slider in sliders) {
sliders[slider].checkValue()
}
}, 0)
});
addEvent(window, "resize", resize);
addEvent(window, "unload", unload);
(function() {
var scriptFiles = document.getElementsByTagName("script"), scriptInner = String(scriptFiles[scriptFiles.length - 1].innerHTML).replace(/[\n\r\s\t]+/g, " ").replace(/^\s+/, "").replace(/\s+$/, ""), json = parseJSON(scriptInner);
if ( typeof json === "object" && !("err" in json)) {
affectJSON(json)
}
})();
/*@cc_on
@if (@_jscript_version < 9)
addClass(document.documentElement, "oldie");
@end
@*/
return {
rescanDocument : init,
createSlider : function(opts) {
return createSlider(opts)
},
onDomReady : function() {
onDomReady()
},
destroyAll : function() {
destroyAllsliders()
},
destroySlider : function(id) {
return destroySingleSlider(id)
},
redrawAll : function() {
resize()
},
addEvent : addEvent,
removeEvent : removeEvent,
stopEvent : stopEvent,
increment : function(id, numSteps) {
if (!sliderExists(id)) {
return false
}
sliders[id].increment(numSteps)
},
stepUp : function(id, n) {
if (!sliderExists(id)) {
return false
}
sliders[id].stepUp(Math.abs(n) || 1)
},
stepDown : function(id, n) {
if (!sliderExists(id)) {
return false
}
sliders[id].stepDown(-Math.abs(n) || -1)
},
setRange : function(id, newMin, newMax) {
if (!sliderExists(id)) {
return false
}
sliders[id].setRange(newMin, newMax)
},
updateSlider : function(id) {
if (!sliderExists(id)) {
return false
}
sliders[id].onResize();
sliders[id].reset()
},
disable : function(id) {
if (!sliderExists(id)) {
return false
}
sliders[id].disable()
},
enable : function(id) {
if (!sliderExists(id)) {
return false
}
sliders[id].enable()
},
getValueSet : function() {
return getValueSet()
},
setValueSet : function(a, tf) {
if (!sliderExists(id)) {
return false
}
setValueSet(a, tf)
},
setGlobalVariables : function(json) {
affectJSON(json)
},
removeOnload : function() {
removeOnLoadEvent()
}
}
})();