mirror of
https://github.com/pvvx/RTL00_WEB.git
synced 2024-11-24 23:14:19 +00:00
613 lines
No EOL
19 KiB
JavaScript
613 lines
No EOL
19 KiB
JavaScript
;
|
|
(function(exports) {
|
|
var Util = {
|
|
extend : function() {
|
|
arguments[0] = arguments[0] || {};
|
|
for (var i = 1; i < arguments.length; i++) {
|
|
for ( var key in arguments[i]) {
|
|
if (arguments[i].hasOwnProperty(key)) {
|
|
if (typeof (arguments[i][key]) === 'object') {
|
|
if (arguments[i][key] instanceof Array) {
|
|
arguments[0][key] = arguments[i][key]
|
|
} else {
|
|
arguments[0][key] = Util.extend(
|
|
arguments[0][key], arguments[i][key])
|
|
}
|
|
} else {
|
|
arguments[0][key] = arguments[i][key]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return arguments[0]
|
|
}
|
|
};
|
|
function TimeSeries(options) {
|
|
this.options = Util.extend({}, TimeSeries.defaultOptions, options);
|
|
this.clear()
|
|
}
|
|
TimeSeries.defaultOptions = {
|
|
resetBoundsInterval : 3000,
|
|
resetBounds : true
|
|
};
|
|
TimeSeries.prototype.clear = function() {
|
|
this.data = [];
|
|
this.maxValue = Number.NaN;
|
|
this.minValue = Number.NaN
|
|
};
|
|
TimeSeries.prototype.resetBounds = function() {
|
|
if (this.data.length) {
|
|
this.maxValue = this.data[0][1];
|
|
this.minValue = this.data[0][1];
|
|
for (var i = 1; i < this.data.length; i++) {
|
|
var value = this.data[i][1];
|
|
if (value > this.maxValue) {
|
|
this.maxValue = value
|
|
}
|
|
if (value < this.minValue) {
|
|
this.minValue = value
|
|
}
|
|
}
|
|
} else {
|
|
this.maxValue = Number.NaN;
|
|
this.minValue = Number.NaN
|
|
}
|
|
};
|
|
TimeSeries.prototype.append = function(timestamp, value,
|
|
sumRepeatedTimeStampValues) {
|
|
var i = this.data.length - 1;
|
|
while (i >= 0 && this.data[i][0] > timestamp) {
|
|
i--
|
|
}
|
|
if (i === -1) {
|
|
this.data.splice(0, 0, [ timestamp, value ])
|
|
} else if (this.data.length > 0 && this.data[i][0] === timestamp) {
|
|
if (sumRepeatedTimeStampValues) {
|
|
this.data[i][1] += value;
|
|
value = this.data[i][1]
|
|
} else {
|
|
this.data[i][1] = value
|
|
}
|
|
} else if (i < this.data.length - 1) {
|
|
this.data.splice(i + 1, 0, [ timestamp, value ])
|
|
} else {
|
|
this.data.push([ timestamp, value ])
|
|
}
|
|
this.maxValue = isNaN(this.maxValue) ? value : Math.max(this.maxValue,
|
|
value);
|
|
this.minValue = isNaN(this.minValue) ? value : Math.min(this.minValue,
|
|
value)
|
|
};
|
|
TimeSeries.prototype.dropOldData = function(oldestValidTime,
|
|
maxDataSetLength) {
|
|
var removeCount = 0;
|
|
while (this.data.length - removeCount >= maxDataSetLength
|
|
&& this.data[removeCount + 1][0] < oldestValidTime) {
|
|
removeCount++
|
|
}
|
|
if (removeCount !== 0) {
|
|
this.data.splice(0, removeCount)
|
|
}
|
|
};
|
|
function SmoothieChart(options) {
|
|
this.options = Util.extend({}, SmoothieChart.defaultChartOptions,
|
|
options);
|
|
this.seriesSet = [];
|
|
this.currentValueRange = 1;
|
|
this.currentVisMinValue = 0;
|
|
this.lastRenderTimeMillis = 0
|
|
}
|
|
SmoothieChart.defaultChartOptions = {
|
|
millisPerPixel : 20,
|
|
enableDpiScaling : true,
|
|
yMinFormatter : function(min, precision) {
|
|
return parseFloat(min).toFixed(precision)
|
|
},
|
|
yMaxFormatter : function(max, precision) {
|
|
return parseFloat(max).toFixed(precision)
|
|
},
|
|
maxValueScale : 1,
|
|
interpolation : 'bezier',
|
|
scaleSmoothing : 0.125,
|
|
maxDataSetLength : 2,
|
|
grid : {
|
|
fillStyle : '#000000',
|
|
strokeStyle : '#777777',
|
|
lineWidth : 1,
|
|
sharpLines : false,
|
|
millisPerLine : 1000,
|
|
verticalSections : 2,
|
|
borderVisible : true
|
|
},
|
|
labels : {
|
|
fillStyle : '#ffffff',
|
|
disabled : false,
|
|
fontSize : 10,
|
|
fontFamily : 'monospace',
|
|
precision : 2
|
|
},
|
|
horizontalLines : []
|
|
};
|
|
SmoothieChart.AnimateCompatibility = (function() {
|
|
var requestAnimationFrame = function(callback, element) {
|
|
var requestAnimationFrame = window.requestAnimationFrame
|
|
|| window.webkitRequestAnimationFrame
|
|
|| window.mozRequestAnimationFrame
|
|
|| window.oRequestAnimationFrame
|
|
|| window.msRequestAnimationFrame || function(callback) {
|
|
return window.setTimeout(function() {
|
|
callback(new Date().getTime())
|
|
}, 16)
|
|
};
|
|
return requestAnimationFrame.call(window, callback, element)
|
|
}, cancelAnimationFrame = function(id) {
|
|
var cancelAnimationFrame = window.cancelAnimationFrame
|
|
|| function(id) {
|
|
clearTimeout(id)
|
|
};
|
|
return cancelAnimationFrame.call(window, id)
|
|
};
|
|
return {
|
|
requestAnimationFrame : requestAnimationFrame,
|
|
cancelAnimationFrame : cancelAnimationFrame
|
|
}
|
|
})();
|
|
SmoothieChart.defaultSeriesPresentationOptions = {
|
|
lineWidth : 1,
|
|
strokeStyle : '#ffffff'
|
|
};
|
|
SmoothieChart.prototype.addTimeSeries = function(timeSeries, options) {
|
|
this.seriesSet.push({
|
|
timeSeries : timeSeries,
|
|
options : Util.extend({},
|
|
SmoothieChart.defaultSeriesPresentationOptions, options)
|
|
});
|
|
if (timeSeries.options.resetBounds
|
|
&& timeSeries.options.resetBoundsInterval > 0) {
|
|
timeSeries.resetBoundsTimerId = setInterval(function() {
|
|
timeSeries.resetBounds()
|
|
}, timeSeries.options.resetBoundsInterval)
|
|
}
|
|
};
|
|
SmoothieChart.prototype.removeTimeSeries = function(timeSeries) {
|
|
var numSeries = this.seriesSet.length;
|
|
for (var i = 0; i < numSeries; i++) {
|
|
if (this.seriesSet[i].timeSeries === timeSeries) {
|
|
this.seriesSet.splice(i, 1);
|
|
break
|
|
}
|
|
}
|
|
if (timeSeries.resetBoundsTimerId) {
|
|
clearInterval(timeSeries.resetBoundsTimerId)
|
|
}
|
|
};
|
|
SmoothieChart.prototype.getTimeSeriesOptions = function(timeSeries) {
|
|
var numSeries = this.seriesSet.length;
|
|
for (var i = 0; i < numSeries; i++) {
|
|
if (this.seriesSet[i].timeSeries === timeSeries) {
|
|
return this.seriesSet[i].options
|
|
}
|
|
}
|
|
};
|
|
SmoothieChart.prototype.bringToFront = function(timeSeries) {
|
|
var numSeries = this.seriesSet.length;
|
|
for (var i = 0; i < numSeries; i++) {
|
|
if (this.seriesSet[i].timeSeries === timeSeries) {
|
|
var set = this.seriesSet.splice(i, 1);
|
|
this.seriesSet.push(set[0]);
|
|
break
|
|
}
|
|
}
|
|
};
|
|
SmoothieChart.prototype.streamTo = function(canvas, delayMillis) {
|
|
this.canvas = canvas;
|
|
this.delay = delayMillis;
|
|
this.start()
|
|
};
|
|
SmoothieChart.prototype.start = function() {
|
|
if (this.frame) {
|
|
return
|
|
}
|
|
if (this.options.enableDpiScaling && window
|
|
&& window.devicePixelRatio !== 1) {
|
|
var canvasWidth = this.canvas.getAttribute('width');
|
|
var canvasHeight = this.canvas.getAttribute('height');
|
|
this.canvas.setAttribute('width', canvasWidth
|
|
* window.devicePixelRatio);
|
|
this.canvas.setAttribute('height', canvasHeight
|
|
* window.devicePixelRatio);
|
|
this.canvas.style.width = canvasWidth + 'px';
|
|
this.canvas.style.height = canvasHeight + 'px';
|
|
this.canvas.getContext('2d').scale(window.devicePixelRatio,
|
|
window.devicePixelRatio)
|
|
}
|
|
var animate = function() {
|
|
this.frame = SmoothieChart.AnimateCompatibility
|
|
.requestAnimationFrame(function() {
|
|
this.render();
|
|
animate()
|
|
}.bind(this))
|
|
}.bind(this);
|
|
animate()
|
|
};
|
|
SmoothieChart.prototype.stop = function() {
|
|
if (this.frame) {
|
|
SmoothieChart.AnimateCompatibility.cancelAnimationFrame(this.frame);
|
|
delete this.frame
|
|
}
|
|
};
|
|
SmoothieChart.prototype.updateValueRange = function() {
|
|
var chartOptions = this.options, chartMaxValue = Number.NaN, chartMinValue = Number.NaN;
|
|
for (var d = 0; d < this.seriesSet.length; d++) {
|
|
var timeSeries = this.seriesSet[d].timeSeries;
|
|
if (!isNaN(timeSeries.maxValue)) {
|
|
chartMaxValue = !isNaN(chartMaxValue) ? Math.max(chartMaxValue,
|
|
timeSeries.maxValue) : timeSeries.maxValue
|
|
}
|
|
if (!isNaN(timeSeries.minValue)) {
|
|
chartMinValue = !isNaN(chartMinValue) ? Math.min(chartMinValue,
|
|
timeSeries.minValue) : timeSeries.minValue
|
|
}
|
|
}
|
|
if (chartOptions.maxValue != null) {
|
|
chartMaxValue = chartOptions.maxValue
|
|
} else {
|
|
chartMaxValue *= chartOptions.maxValueScale
|
|
}
|
|
if (chartOptions.minValue != null) {
|
|
chartMinValue = chartOptions.minValue
|
|
}
|
|
if (this.options.yRangeFunction) {
|
|
var range = this.options.yRangeFunction({
|
|
min : chartMinValue,
|
|
max : chartMaxValue
|
|
});
|
|
chartMinValue = range.min;
|
|
chartMaxValue = range.max
|
|
}
|
|
if (!isNaN(chartMaxValue) && !isNaN(chartMinValue)) {
|
|
var targetValueRange = chartMaxValue - chartMinValue;
|
|
var valueRangeDiff = (targetValueRange - this.currentValueRange);
|
|
var minValueDiff = (chartMinValue - this.currentVisMinValue);
|
|
this.isAnimatingScale = Math.abs(valueRangeDiff) > 0.1
|
|
|| Math.abs(minValueDiff) > 0.1;
|
|
this.currentValueRange += chartOptions.scaleSmoothing
|
|
* valueRangeDiff;
|
|
this.currentVisMinValue += chartOptions.scaleSmoothing
|
|
* minValueDiff
|
|
}
|
|
this.valueRange = {
|
|
min : chartMinValue,
|
|
max : chartMaxValue
|
|
}
|
|
};
|
|
SmoothieChart.prototype.render = function(canvas, time) {
|
|
var nowMillis = new Date().getTime();
|
|
if (!this.isAnimatingScale) {
|
|
var maxIdleMillis = Math.min(1000 / 6, this.options.millisPerPixel);
|
|
if (nowMillis - this.lastRenderTimeMillis < maxIdleMillis) {
|
|
return
|
|
}
|
|
}
|
|
this.lastRenderTimeMillis = nowMillis;
|
|
canvas = canvas || this.canvas;
|
|
time = time || nowMillis - (this.delay || 0);
|
|
time -= time % this.options.millisPerPixel;
|
|
var context = canvas.getContext('2d'), chartOptions = this.options, dimensions = {
|
|
top : 0,
|
|
left : 0,
|
|
width : canvas.clientWidth,
|
|
height : canvas.clientHeight
|
|
}, oldestValidTime = time
|
|
- (dimensions.width * chartOptions.millisPerPixel), valueToYPixel = function(
|
|
value) {
|
|
var offset = value - this.currentVisMinValue;
|
|
return this.currentValueRange === 0 ? dimensions.height
|
|
: dimensions.height
|
|
- (Math.round((offset / this.currentValueRange)
|
|
* dimensions.height))
|
|
}.bind(this), timeToXPixel = function(t) {
|
|
return Math.round(dimensions.width
|
|
- ((time - t) / chartOptions.millisPerPixel))
|
|
};
|
|
this.updateValueRange();
|
|
context.font = chartOptions.labels.fontSize + 'px '
|
|
+ chartOptions.labels.fontFamily;
|
|
context.save();
|
|
context.translate(dimensions.left, dimensions.top);
|
|
context.beginPath();
|
|
context.rect(0, 0, dimensions.width, dimensions.height);
|
|
context.clip();
|
|
context.save();
|
|
context.fillStyle = chartOptions.grid.fillStyle;
|
|
context.clearRect(0, 0, dimensions.width, dimensions.height);
|
|
context.fillRect(0, 0, dimensions.width, dimensions.height);
|
|
context.restore();
|
|
context.save();
|
|
context.lineWidth = chartOptions.grid.lineWidth;
|
|
context.strokeStyle = chartOptions.grid.strokeStyle;
|
|
if (chartOptions.grid.millisPerLine > 0) {
|
|
context.beginPath();
|
|
for (var t = time - (time % chartOptions.grid.millisPerLine); t >= oldestValidTime; t -= chartOptions.grid.millisPerLine) {
|
|
var gx = timeToXPixel(t);
|
|
if (chartOptions.grid.sharpLines) {
|
|
gx -= 0.5
|
|
}
|
|
context.moveTo(gx, 0);
|
|
context.lineTo(gx, dimensions.height)
|
|
}
|
|
context.stroke();
|
|
context.closePath()
|
|
}
|
|
for (var v = 1; v < chartOptions.grid.verticalSections; v++) {
|
|
var gy = Math.round(v * dimensions.height
|
|
/ chartOptions.grid.verticalSections);
|
|
if (chartOptions.grid.sharpLines) {
|
|
gy -= 0.5
|
|
}
|
|
context.beginPath();
|
|
context.moveTo(0, gy);
|
|
context.lineTo(dimensions.width, gy);
|
|
context.stroke();
|
|
context.closePath()
|
|
}
|
|
if (chartOptions.grid.borderVisible) {
|
|
context.beginPath();
|
|
context.strokeRect(0, 0, dimensions.width, dimensions.height);
|
|
context.closePath()
|
|
}
|
|
context.restore();
|
|
if (chartOptions.horizontalLines && chartOptions.horizontalLines.length) {
|
|
for (var hl = 0; hl < chartOptions.horizontalLines.length; hl++) {
|
|
var line = chartOptions.horizontalLines[hl], hly = Math
|
|
.round(valueToYPixel(line.value)) - 0.5;
|
|
context.strokeStyle = line.color || '#ffffff';
|
|
context.lineWidth = line.lineWidth || 1;
|
|
context.beginPath();
|
|
context.moveTo(0, hly);
|
|
context.lineTo(dimensions.width, hly);
|
|
context.stroke();
|
|
context.closePath()
|
|
}
|
|
}
|
|
for (var d = 0; d < this.seriesSet.length; d++) {
|
|
context.save();
|
|
var timeSeries = this.seriesSet[d].timeSeries, dataSet = timeSeries.data, seriesOptions = this.seriesSet[d].options;
|
|
timeSeries.dropOldData(oldestValidTime,
|
|
chartOptions.maxDataSetLength);
|
|
context.lineWidth = seriesOptions.lineWidth;
|
|
context.strokeStyle = seriesOptions.strokeStyle;
|
|
context.beginPath();
|
|
var firstX = 0, lastX = 0, lastY = 0;
|
|
for (var i = 0; i < dataSet.length && dataSet.length !== 1; i++) {
|
|
var x = timeToXPixel(dataSet[i][0]), y = valueToYPixel(dataSet[i][1]);
|
|
if (i === 0) {
|
|
firstX = x;
|
|
context.moveTo(x, y)
|
|
} else {
|
|
switch (chartOptions.interpolation) {
|
|
case "linear":
|
|
case "line": {
|
|
context.lineTo(x, y);
|
|
break
|
|
}
|
|
case "bezier":
|
|
default: {
|
|
context.bezierCurveTo(Math.round((lastX + x) / 2),
|
|
lastY, Math.round((lastX + x)) / 2, y, x, y);
|
|
break
|
|
}
|
|
case "step": {
|
|
context.lineTo(x, lastY);
|
|
context.lineTo(x, y);
|
|
break
|
|
}
|
|
}
|
|
}
|
|
lastX = x;
|
|
lastY = y
|
|
}
|
|
if (dataSet.length > 1) {
|
|
if (seriesOptions.fillStyle) {
|
|
context.lineTo(dimensions.width + seriesOptions.lineWidth
|
|
+ 1, lastY);
|
|
context.lineTo(dimensions.width + seriesOptions.lineWidth
|
|
+ 1, dimensions.height + seriesOptions.lineWidth
|
|
+ 1);
|
|
context.lineTo(firstX, dimensions.height
|
|
+ seriesOptions.lineWidth);
|
|
context.fillStyle = seriesOptions.fillStyle;
|
|
context.fill()
|
|
}
|
|
if (seriesOptions.strokeStyle
|
|
&& seriesOptions.strokeStyle !== 'none') {
|
|
context.stroke()
|
|
}
|
|
context.closePath()
|
|
}
|
|
context.restore()
|
|
}
|
|
if (!chartOptions.labels.disabled && !isNaN(this.valueRange.min)
|
|
&& !isNaN(this.valueRange.max)) {
|
|
var maxValueString = chartOptions.yMaxFormatter(
|
|
this.valueRange.max, chartOptions.labels.precision), minValueString = chartOptions
|
|
.yMinFormatter(this.valueRange.min,
|
|
chartOptions.labels.precision);
|
|
context.fillStyle = chartOptions.labels.fillStyle;
|
|
context.fillText(maxValueString, dimensions.width
|
|
- context.measureText(maxValueString).width - 2,
|
|
chartOptions.labels.fontSize);
|
|
context.fillText(minValueString, dimensions.width
|
|
- context.measureText(minValueString).width - 2,
|
|
dimensions.height - 2)
|
|
}
|
|
if (chartOptions.timestampFormatter
|
|
&& chartOptions.grid.millisPerLine > 0) {
|
|
var textUntilX = dimensions.width
|
|
- context.measureText(minValueString).width + 4;
|
|
for (var t = time - (time % chartOptions.grid.millisPerLine); t >= oldestValidTime; t -= chartOptions.grid.millisPerLine) {
|
|
var gx = timeToXPixel(t);
|
|
if (gx < textUntilX) {
|
|
var tx = new Date(t), ts = chartOptions
|
|
.timestampFormatter(tx), tsWidth = context
|
|
.measureText(ts).width;
|
|
textUntilX = gx - tsWidth - 2;
|
|
context.fillStyle = chartOptions.labels.fillStyle;
|
|
context.fillText(ts, gx - tsWidth, dimensions.height - 2)
|
|
}
|
|
}
|
|
}
|
|
context.restore()
|
|
};
|
|
SmoothieChart.timeFormatter = function(date) {
|
|
function pad2(number) {
|
|
return (number < 10 ? '0' : '') + number
|
|
}
|
|
return pad2(date.getHours()) + ':' + pad2(date.getMinutes()) + ':'
|
|
+ pad2(date.getSeconds())
|
|
};
|
|
exports.TimeSeries = TimeSeries;
|
|
exports.SmoothieChart = SmoothieChart
|
|
})(typeof exports === 'undefined' ? this : exports);
|
|
var line1 = new TimeSeries();
|
|
var newval = 0;
|
|
function addpoint(xmlData) {
|
|
if (xmlData) {
|
|
newval = eval(getXMLValue(xmlData, 'value'));
|
|
line1.append(new Date().getTime(), newval);
|
|
document.getElementById('xdata').innerHTML = newval;
|
|
if (newval > xmax)
|
|
document.getElementById('xdata').style.color = '#0000A0';
|
|
else if (newval < xmin)
|
|
document.getElementById('xdata').style.color = '#A00000';
|
|
else
|
|
document.getElementById('xdata').style.color = '#00A000'
|
|
} else
|
|
line1.append(new Date().getTime(), newval)
|
|
}
|
|
var smoothie = new SmoothieChart({
|
|
interpolation : 'linear',
|
|
minValue : 0,
|
|
millisPerPixel : millisPerPixel,
|
|
grid : {
|
|
strokeStyle : 'rgb(100, 110, 150)',
|
|
fillStyle : 'rgb(50, 55, 75)',
|
|
lineWidth : 1,
|
|
millisPerLine : millisPerLine,
|
|
verticalSections : 6
|
|
},
|
|
labels : {
|
|
precision : 0
|
|
}
|
|
});
|
|
smoothie.addTimeSeries(line1, {
|
|
strokeStyle : 'rgb(255, 0, 200)',
|
|
fillStyle : 'rgba(255, 0, 200, 0.3)',
|
|
lineWidth : 3
|
|
});
|
|
smoothie.streamTo(document.getElementById("mycanvas"), nextimeout);
|
|
setTimeout("newAJAXCommand(xmlfile, addpoint, true)", 100);
|
|
function slider(elemId, sliderWidth, range1, range2, step) {
|
|
var knobWidth = 17;
|
|
var knobHeight = 21;
|
|
var sliderHeight = 21;
|
|
var offsX, tmp;
|
|
var d = document;
|
|
var isIE = d.all || window.opera;
|
|
var point = (sliderWidth - knobWidth - 3) / (range2 - range1);
|
|
var slider = d.createElement('DIV');
|
|
slider.id = elemId + '_slider';
|
|
slider.className = 'slider';
|
|
d.getElementById(elemId).appendChild(slider);
|
|
var knob = d.createElement('DIV');
|
|
knob.id = elemId + '_knob';
|
|
knob.className = 'knob';
|
|
slider.appendChild(knob);
|
|
knob.style.left = 0;
|
|
knob.style.width = knobWidth + 'px';
|
|
knob.style.height = knobHeight + 'px';
|
|
slider.style.width = sliderWidth + 'px';
|
|
slider.style.height = sliderHeight + 'px';
|
|
var sliderOffset = slider.offsetLeft;
|
|
tmp = slider.offsetParent;
|
|
while (tmp.tagName != 'BODY') {
|
|
sliderOffset += tmp.offsetLeft;
|
|
tmp = tmp.offsetParent
|
|
}
|
|
if (isIE) {
|
|
knob.onmousedown = startCoord;
|
|
slider.onclick = sliderClick;
|
|
knob.onmouseup = endCoord;
|
|
slider.onmouseup = endCoord
|
|
} else {
|
|
knob.addEventListener("mousedown", startCoord, true);
|
|
slider.addEventListener("click", sliderClick, true);
|
|
knob.addEventListener("mouseup", endCoord, true);
|
|
slider.addEventListener("mouseup", endCoord, true)
|
|
}
|
|
function setValue(x) {
|
|
if (x < 0)
|
|
knob.style.left = 0;
|
|
else if (x > sliderWidth - knobWidth - 3)
|
|
knob.style.left = (sliderWidth - 3 - knobWidth) + 'px';
|
|
else {
|
|
if (step == 0)
|
|
knob.style.left = x + 'px';
|
|
else
|
|
knob.style.left = Math.round(x / (step * point)) * step * point
|
|
+ 'px'
|
|
}
|
|
nextimeout = getValue();
|
|
d.getElementById('toutid').value = nextimeout;
|
|
document.getElementById('toutid').innerHTML = nextimeout
|
|
}
|
|
function setValue2(x) {
|
|
if (x < range1 || x > range2)
|
|
alert('Value is not included into a slider range!');
|
|
else
|
|
setValue((x - range1) * point);
|
|
nextimeout = getValue();
|
|
d.getElementById('toutid').value = nextimeout;
|
|
document.getElementById('toutid').innerHTML = nextimeout
|
|
}
|
|
function getValue() {
|
|
return Math.round(parseInt(knob.style.left) / point) + range1
|
|
}
|
|
function sliderClick(e) {
|
|
var x;
|
|
if (isIE) {
|
|
if (event.srcElement != slider)
|
|
return;
|
|
x = event.offsetX - Math.round(knobWidth / 2)
|
|
} else
|
|
x = e.pageX - sliderOffset - knobWidth / 2;
|
|
setValue(x)
|
|
}
|
|
function startCoord(e) {
|
|
if (isIE) {
|
|
offsX = event.clientX - parseInt(knob.style.left);
|
|
slider.onmousemove = mov
|
|
} else {
|
|
slider.addEventListener("mousemove", mov, true)
|
|
}
|
|
}
|
|
function mov(e) {
|
|
var x;
|
|
if (isIE)
|
|
x = event.clientX - offsX;
|
|
else
|
|
x = e.pageX - sliderOffset - knobWidth / 2;
|
|
setValue(x)
|
|
}
|
|
function endCoord() {
|
|
if (isIE)
|
|
slider.onmousemove = null;
|
|
else
|
|
slider.removeEventListener("mousemove", mov, true)
|
|
}
|
|
this.setValue = setValue2;
|
|
this.getValue = getValue
|
|
}
|
|
var mysl1 = new slider('sl', 333, 20, 10020, 0);
|
|
mysl1.setValue(500);
|
|
document.getElementById('toutid').innerHTML = mysl1.getValue(); |