forked from fanruan/fineui
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
437 lines
14 KiB
437 lines
14 KiB
/** |
|
* Created by zcf on 2016/9/26. |
|
*/ |
|
BI.IntervalSliderLabel = BI.inherit(BI.Widget, { |
|
_constant: { |
|
EDITOR_WIDTH: 58, |
|
EDITOR_R_GAP: 60, |
|
EDITOR_HEIGHT: 20, |
|
HEIGHT: 20, |
|
SLIDER_WIDTH_HALF: 15, |
|
SLIDER_WIDTH: 30, |
|
SLIDER_HEIGHT: 30, |
|
TRACK_HEIGHT: 24 |
|
}, |
|
|
|
_defaultConfig: function () { |
|
return BI.extend(BI.IntervalSliderLabel.superclass._defaultConfig.apply(this, arguments), { |
|
baseCls: "bi-interval-slider-label bi-slider-track", |
|
digit: false, |
|
unit: "" |
|
}) |
|
}, |
|
|
|
_init: function () { |
|
BI.IntervalSliderLabel.superclass._init.apply(this, arguments); |
|
|
|
var self = this, o = this.options; |
|
var c = this._constant; |
|
this.enable = false; |
|
this.valueOne = ""; |
|
this.valueTwo = ""; |
|
this.calculation = new BI.AccurateCalculationModel(); |
|
|
|
this.grayTrack = BI.createWidget({ |
|
type: "bi.layout", |
|
cls: "gray-track", |
|
height: 6 |
|
}); |
|
this.blueTrack = BI.createWidget({ |
|
type: "bi.layout", |
|
cls: "blue-track bi-high-light-background", |
|
height: 6 |
|
}); |
|
this.track = this._createTrackWrapper(); |
|
|
|
this.labelOne = BI.createWidget({ |
|
type: "bi.label", |
|
height: c.HEIGHT, |
|
width: c.EDITOR_WIDTH |
|
}); |
|
|
|
this.labelTwo = BI.createWidget({ |
|
type: "bi.label", |
|
height: c.HEIGHT, |
|
width: c.EDITOR_WIDTH |
|
}); |
|
|
|
this.sliderOne = BI.createWidget({ |
|
type: "bi.single_slider_button" |
|
}); |
|
this.sliderOne.element.draggable({ |
|
axis: "x", |
|
containment: this.grayTrack.element, |
|
scroll: false, |
|
drag: function (e, ui) { |
|
var percent = (ui.position.left) * 100 / (self._getGrayTrackLength()); |
|
var significantPercent = BI.parseFloat(percent.toFixed(1)); |
|
self._setLabelOnePosition(significantPercent); |
|
var v = self._getValueByPercent(significantPercent); |
|
v = self._assertValue(v); |
|
v = o.digit === false ? v : v.toFixed(o.digit); |
|
self.labelOne.setText(v + o.unit); |
|
self.valueOne = v; |
|
self._setBlueTrack(); |
|
}, |
|
stop: function (e, ui) { |
|
var percent = (ui.position.left) * 100 / (self._getGrayTrackLength()); |
|
var significantPercent = BI.parseFloat(percent.toFixed(1)); |
|
self._setSliderOnePosition(significantPercent); |
|
self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE); |
|
} |
|
}); |
|
|
|
this.sliderTwo = BI.createWidget({ |
|
type: "bi.single_slider_button" |
|
}); |
|
this.sliderTwo.element.draggable({ |
|
axis: "x", |
|
containment: this.grayTrack.element, |
|
scroll: false, |
|
drag: function (e, ui) { |
|
var percent = (ui.position.left) * 100 / (self._getGrayTrackLength()); |
|
var significantPercent = BI.parseFloat(percent.toFixed(1)); |
|
self._setLabelTwoPosition(significantPercent); |
|
var v = self._getValueByPercent(significantPercent); |
|
v = self._assertValue(v); |
|
v = o.digit === false ? v : v.toFixed(o.digit); |
|
self.labelTwo.setText(v + o.unit); |
|
self.valueTwo = v; |
|
self._setBlueTrack(); |
|
}, |
|
stop: function (e, ui) { |
|
var percent = (ui.position.left) * 100 / (self._getGrayTrackLength()); |
|
var significantPercent = BI.parseFloat(percent.toFixed(1)); |
|
self._setSliderTwoPosition(significantPercent); |
|
self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE); |
|
} |
|
}); |
|
this._setVisible(false); |
|
|
|
BI.createWidget({ |
|
type: "bi.absolute", |
|
element: this, |
|
items: [{ |
|
el: { |
|
type: "bi.vertical", |
|
items: [{ |
|
type: "bi.absolute", |
|
items: [{ |
|
el: this.track, |
|
width: "100%", |
|
height: c.TRACK_HEIGHT |
|
}] |
|
}], |
|
hgap: 7, |
|
height: c.TRACK_HEIGHT |
|
}, |
|
top: 13, |
|
left: 0, |
|
width: "100%" |
|
}, |
|
this._createLabelWrapper(), |
|
this._createSliderWrapper() |
|
] |
|
}) |
|
}, |
|
|
|
_createLabelWrapper: function () { |
|
var c = this._constant; |
|
return { |
|
el: { |
|
type: "bi.vertical", |
|
items: [{ |
|
type: "bi.absolute", |
|
items: [{ |
|
el: this.labelOne, |
|
top: 0, |
|
left: "0%" |
|
}] |
|
}, { |
|
type: "bi.absolute", |
|
items: [{ |
|
el: this.labelTwo, |
|
top: 0, |
|
left: "100%" |
|
}] |
|
}], |
|
rgap: c.EDITOR_R_GAP, |
|
height: 70 |
|
}, |
|
top: 0, |
|
left: 0, |
|
width: "100%" |
|
} |
|
}, |
|
|
|
_createSliderWrapper: function () { |
|
var c = this._constant; |
|
return { |
|
el: { |
|
type: "bi.vertical", |
|
items: [{ |
|
type: "bi.absolute", |
|
items: [{ |
|
el: this.sliderOne, |
|
top: 0, |
|
left: "0%" |
|
}] |
|
}, { |
|
type: "bi.absolute", |
|
items: [{ |
|
el: this.sliderTwo, |
|
top: 0, |
|
left: "100%" |
|
}] |
|
}], |
|
hgap: c.SLIDER_WIDTH_HALF, |
|
height: c.SLIDER_HEIGHT |
|
}, |
|
top: 10, |
|
left: 0, |
|
width: "100%" |
|
} |
|
}, |
|
|
|
_createTrackWrapper: function () { |
|
return BI.createWidget({ |
|
type: "bi.absolute", |
|
items: [{ |
|
el: { |
|
type: "bi.vertical", |
|
items: [{ |
|
type: "bi.absolute", |
|
items: [{ |
|
el: this.grayTrack, |
|
top: 0, |
|
left: 0, |
|
width: "100%" |
|
}, { |
|
el: this.blueTrack, |
|
top: 0, |
|
left: 0, |
|
width: "0%" |
|
}] |
|
}], |
|
hgap: 8, |
|
height: 8 |
|
}, |
|
top: 8, |
|
left: 0, |
|
width: "100%" |
|
}] |
|
}) |
|
}, |
|
|
|
_checkValidation: function (v) { |
|
return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max) |
|
}, |
|
|
|
_checkOverlap: function () { |
|
var labelOneLeft = this.labelOne.element[0].offsetLeft; |
|
var labelTwoLeft = this.labelTwo.element[0].offsetLeft; |
|
if (labelOneLeft <= labelTwoLeft) { |
|
if ((labelTwoLeft - labelOneLeft) < 90) { |
|
this.labelTwo.element.css({"top": 30}); |
|
} else { |
|
this.labelTwo.element.css({"top": 0}); |
|
} |
|
} else { |
|
if ((labelOneLeft - labelTwoLeft) < 90) { |
|
this.labelTwo.element.css({"top": 30}); |
|
} else { |
|
this.labelTwo.element.css({"top": 0}); |
|
} |
|
} |
|
}, |
|
|
|
_setLabelOnePosition: function (percent) { |
|
this.labelOne.element.css({"left": percent + "%"}); |
|
this._checkOverlap(); |
|
}, |
|
|
|
_setLabelTwoPosition: function (percent) { |
|
this.labelTwo.element.css({"left": percent + "%"}); |
|
this._checkOverlap(); |
|
}, |
|
|
|
_setSliderOnePosition: function (percent) { |
|
this.sliderOne.element.css({"left": percent + "%"}); |
|
}, |
|
|
|
_setSliderTwoPosition: function (percent) { |
|
this.sliderTwo.element.css({"left": percent + "%"}); |
|
}, |
|
|
|
_setBlueTrackLeft: function (percent) { |
|
this.blueTrack.element.css({"left": percent + "%"}); |
|
}, |
|
|
|
_setBlueTrackWidth: function (percent) { |
|
this.blueTrack.element.css({"width": percent + "%"}); |
|
}, |
|
|
|
_setBlueTrack: function () { |
|
var percentOne = this._getPercentByValue(this.labelOne.getValue()); |
|
var percentTwo = this._getPercentByValue(this.labelTwo.getValue()); |
|
if (percentOne <= percentTwo) { |
|
this._setBlueTrackLeft(percentOne); |
|
this._setBlueTrackWidth(percentTwo - percentOne); |
|
} else { |
|
this._setBlueTrackLeft(percentTwo); |
|
this._setBlueTrackWidth(percentOne - percentTwo); |
|
} |
|
}, |
|
|
|
_setAllPosition: function (one, two) { |
|
this._setSliderOnePosition(one); |
|
this._setLabelOnePosition(one); |
|
this._setSliderTwoPosition(two); |
|
this._setLabelTwoPosition(two); |
|
this._setBlueTrack(); |
|
}, |
|
|
|
_setVisible: function (visible) { |
|
this.sliderOne.setVisible(visible); |
|
this.sliderTwo.setVisible(visible); |
|
this.labelOne.setVisible(visible); |
|
this.labelTwo.setVisible(visible); |
|
}, |
|
|
|
_getGrayTrackLength: function () { |
|
return this.grayTrack.element[0].scrollWidth |
|
}, |
|
|
|
//其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度 |
|
_getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min) |
|
var sub = this.calculation.accurateSubtraction(this.max, this.min); |
|
var mul = this.calculation.accurateMultiplication(sub, percent); |
|
var div = this.calculation.accurateDivisionTenExponent(mul, 2); |
|
if (this.precision < 0) { |
|
var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min)); |
|
var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision)); |
|
return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision)); |
|
} else { |
|
return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision)); |
|
} |
|
}, |
|
|
|
_getPercentByValue: function (v) { |
|
return (v - this.min) * 100 / (this.max - this.min); |
|
}, |
|
|
|
_setDraggableEnable: function (enable) { |
|
if (enable) { |
|
this.sliderOne.element.draggable("enable"); |
|
this.sliderTwo.element.draggable("enable") |
|
} else { |
|
this.sliderOne.element.draggable("disable"); |
|
this.sliderTwo.element.draggable("disable") |
|
} |
|
}, |
|
|
|
_getPrecision: function () { |
|
//计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度) |
|
//如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5 |
|
//返回非负值: 保留的小数位数 |
|
//返回负值: 保留的10^n精度中的n |
|
var sub = this.calculation.accurateSubtraction(this.max, this.min); |
|
var pre = sub.toPrecision(4); |
|
//科学计数法 |
|
var eIndex = pre.indexOf("e"); |
|
var arr = []; |
|
if (eIndex > -1) { |
|
arr = pre.split("e"); |
|
var decimalPartLength = BI.size(arr[0].split(".")[1]); |
|
var sciencePartLength = BI.parseInt(arr[1].substring(1)); |
|
return decimalPartLength - sciencePartLength; |
|
} else { |
|
arr = pre.split("."); |
|
return arr.length > 1 ? arr[1].length : 0; |
|
} |
|
}, |
|
|
|
_assertValue: function (value) { |
|
if (value <= this.min) { |
|
return this.min |
|
} |
|
if (value >= this.max) { |
|
return this.max; |
|
} |
|
return value; |
|
}, |
|
|
|
getValue: function () { |
|
if (this.valueOne <= this.valueTwo) { |
|
return {min: this.valueOne, max: this.valueTwo} |
|
} else { |
|
return {min: this.valueTwo, max: this.valueOne} |
|
} |
|
}, |
|
|
|
setMinAndMax: function (v) { |
|
var minNumber = BI.parseFloat(v.min); |
|
var maxNumber = BI.parseFloat(v.max); |
|
if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) { |
|
this.min = minNumber; |
|
this.max = maxNumber; |
|
this.valueOne = minNumber; |
|
this.valueTwo = maxNumber; |
|
this.precision = this._getPrecision(); |
|
this._setDraggableEnable(true); |
|
} |
|
if (maxNumber === minNumber) { |
|
this._setDraggableEnable(false); |
|
} |
|
}, |
|
|
|
setValue: function (v) { |
|
var o = this.options; |
|
var valueOne = BI.parseFloat(v.min); |
|
var valueTwo = BI.parseFloat(v.max); |
|
valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit); |
|
valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit); |
|
if (!isNaN(valueOne) && !isNaN(valueTwo)) { |
|
if (this._checkValidation(valueOne)) { |
|
this.valueOne = valueOne; |
|
} |
|
if (this._checkValidation(valueTwo)) { |
|
this.valueTwo = valueTwo; |
|
} |
|
if (valueOne < this.min) { |
|
this.valueOne = this.min; |
|
} |
|
if (valueTwo > this.max) { |
|
this.valueTwo = this.max; |
|
} |
|
} |
|
}, |
|
|
|
reset: function () { |
|
this._setVisible(false); |
|
this.enable = false; |
|
this.valueOne = ""; |
|
this.valueTwo = ""; |
|
this.min = NaN; |
|
this.max = NaN; |
|
this._setBlueTrackWidth(0); |
|
}, |
|
|
|
populate: function () { |
|
if (!isNaN(this.min) && !isNaN(this.max)) { |
|
this.enable = true; |
|
this._setVisible(true); |
|
if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) { |
|
this.labelOne.setValue(this.valueOne); |
|
this.labelTwo.setValue(this.valueTwo); |
|
this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo)); |
|
} else { |
|
this.labelOne.setValue(this.min); |
|
this.labelTwo.setValue(this.max); |
|
this._setAllPosition(0, 100) |
|
} |
|
} |
|
} |
|
}); |
|
BI.IntervalSliderLabel.EVENT_CHANGE = "EVENT_CHANGE"; |
|
BI.shortcut("bi.interval_slider_label", BI.IntervalSliderLabel); |