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dataRange.js
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dataRange.js
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/**
* echarts组件：值域
*
* @desc echarts基于Canvas，纯Javascript图表库，提供直观，生动，可交互，可个性化定制的数据统计图表。
* @author Kener (@Kener-林峰, [email protected])
*
*/
define(function (require) {
/**
* 构造函数
* @param {Object} messageCenter echart消息中心
* @param {ZRender} zr zrender实例
* @param {Object} option 图表参数
* @param {Object=} selected 用于状态保持
*/
function DataRange(messageCenter, zr, option) {
var Base = require('./base');
Base.call(this, zr);
var ecConfig = require('../config');
var zrArea = require('zrender/tool/area');
var self = this;
self.type = ecConfig.COMPONENT_TYPE_DATARANGE;
var dataRangeOption; // 值域选项，共享数据源
var _zlevelBase = self.getZlevelBase();
var _itemGroupLocation = {}; // 值域元素组的位置参数，通过计算所得x, y, width, height
var _calculableLocation; // 可计算元素的位置缓存
var _startShape;
var _startMask;
var _endShape;
var _endMask;
var _fillerShae;
var _range;
var _syncTicket;
var _textGap = 10; // 非值文字间隔
var _gap;
var _colorList;
var _valueTextList;
var _selectedMap = {};
function _buildShape() {
_itemGroupLocation = _getItemGroupLocation();
// console.log(_itemGroupLocation);
_buildBackground();
if (dataRangeOption.splitNumber <= 0
|| dataRangeOption.calculable
) {
_buildGradient();
}
else {
_buildItem();
}
for (var i = 0, l = self.shapeList.length; i < l; i++) {
self.shapeList[i].id = zr.newShapeId(self.type);
zr.addShape(self.shapeList[i]);
}
}
/**
* 构建图例型的值域元素
*/
function _buildItem() {
var data = _valueTextList;
var dataLength = data.length;
var itemName;
var itemShape;
var textShape;
var font = self.getFont(dataRangeOption.textStyle);
var lastX = _itemGroupLocation.x;
var lastY = _itemGroupLocation.y;
var itemWidth = dataRangeOption.itemWidth;
var itemHeight = dataRangeOption.itemHeight;
var itemGap = dataRangeOption.itemGap;
var textHeight = zrArea.getTextWidth('国', font);
var color;
if (dataRangeOption.orient == 'vertical'
&& dataRangeOption.x == 'right'
) {
lastX = _itemGroupLocation.x
+ _itemGroupLocation.width
- itemWidth;
}
var needValueText = true;
if (dataRangeOption.text) {
needValueText = false;
// 第一个文字
if (dataRangeOption.text[0]) {
textShape = _getTextShape(
lastX, lastY, dataRangeOption.text[0]
);
if (dataRangeOption.orient == 'horizontal') {
lastX += zrArea.getTextWidth(
dataRangeOption.text[0],
font
)
+ _textGap;
}
else {
lastY += textHeight + _textGap;
}
self.shapeList.push(textShape);
}
}
for (var i = 0; i < dataLength; i++) {
itemName = data[i];
color = getColor((dataLength - i) * _gap + dataRangeOption.min);
// 图形
itemShape = _getItemShape(
lastX, lastY,
itemWidth, itemHeight,
(_selectedMap[i] ? color : '#ccc')
);
itemShape._idx = i;
itemShape.onclick = _dataRangeSelected;
self.shapeList.push(itemShape);
if (needValueText) {
// 文字
textShape = {
shape : 'text',
zlevel : _zlevelBase,
style : {
x : lastX + itemWidth + 5,
y : lastY,
color : _selectedMap[i]
? dataRangeOption.textStyle.color
: '#ccc',
text: data[i],
textFont: font,
textBaseline: 'top'
},
clickable : true
};
if (dataRangeOption.orient == 'vertical'
&& dataRangeOption.x == 'right'
) {
textShape.style.x -= (itemWidth + 10);
textShape.style.textAlign = 'right';
}
textShape._idx = i;
textShape.onclick = _dataRangeSelected;
self.shapeList.push(textShape);
}
if (dataRangeOption.orient == 'horizontal') {
lastX += itemWidth
+ (needValueText ? 5 : 0)
+ (needValueText
? zrArea.getTextWidth(itemName, font)
: 0)
+ itemGap;
}
else {
lastY += itemHeight + itemGap;
}
}
if (!needValueText && dataRangeOption.text[1]) {
if (dataRangeOption.orient == 'horizontal') {
lastX = lastX - itemGap + _textGap;
}
else {
lastY = lastY - itemGap + _textGap;
}
// 最后一个文字
textShape = _getTextShape(
lastX, lastY, dataRangeOption.text[1]
);
self.shapeList.push(textShape);
}
}
/**
* 构建渐变型的值域元素
*/
function _buildGradient() {
var itemShape;
var textShape;
var font = self.getFont(dataRangeOption.textStyle);
var lastX = _itemGroupLocation.x;
var lastY = _itemGroupLocation.y;
var itemWidth = dataRangeOption.itemWidth;
var itemHeight = dataRangeOption.itemHeight;
var textHeight = zrArea.getTextWidth('国', font);
var needValueText = true;
if (dataRangeOption.text) {
needValueText = false;
// 第一个文字
if (dataRangeOption.text[0]) {
textShape = _getTextShape(
lastX, lastY, dataRangeOption.text[0]
);
if (dataRangeOption.orient == 'horizontal') {
lastX += zrArea.getTextWidth(
dataRangeOption.text[0],
font
)
+ _textGap;
}
else {
lastY += textHeight + _textGap;
}
self.shapeList.push(textShape);
}
}
var zrColor = require('zrender/tool/color');
var per = 1 / (dataRangeOption.color.length - 1);
var colorList = [];
for (var i = 0, l = dataRangeOption.color.length; i < l; i++) {
colorList.push([i * per, dataRangeOption.color[i]]);
}
if (dataRangeOption.orient == 'horizontal') {
itemShape = {
shape : 'rectangle',
zlevel : _zlevelBase,
style : {
x : lastX,
y : lastY,
width : itemWidth * 10,
height : itemHeight,
color : zrColor.getLinearGradient(
lastX, lastY, lastX + itemWidth * 10, lastY,
colorList
)
},
hoverable : false
};
lastX += itemWidth * 10 + _textGap;
}
else {
itemShape = {
shape : 'rectangle',
zlevel : _zlevelBase,
style : {
x : lastX,
y : lastY,
width : itemWidth,
height : itemHeight * 10,
color : zrColor.getLinearGradient(
lastX, lastY, lastX, lastY + itemHeight * 10,
colorList
)
},
hoverable : false
};
lastY += itemHeight * 10 + _textGap;
}
self.shapeList.push(itemShape);
if (dataRangeOption.calculable) {
_calculableLocation = itemShape.style;
_buildFiller();
_bulidMask();
_bulidHandle();
}
if (!needValueText && dataRangeOption.text[1]) {
// 最后一个文字
textShape = _getTextShape(
lastX, lastY, dataRangeOption.text[1]
);
self.shapeList.push(textShape);
}
}
/**
* 构建填充物
*/
function _buildFiller() {
_fillerShae = {
shape : 'rectangle',
zlevel : _zlevelBase + 1,
style : {
x : _calculableLocation.x,
y : _calculableLocation.y,
width : _calculableLocation.width,
height : _calculableLocation.height,
color : 'rgba(255,255,255,0.2)'
},
draggable : true,
ondrift : _ondrift,
ondragend : _ondragend,
_type : 'filler'
};
self.shapeList.push(_fillerShae);
}
/**
* 构建拖拽手柄
*/
function _bulidHandle() {
var x = _calculableLocation.x;
var y = _calculableLocation.y;
var width = _calculableLocation.width;
var height = _calculableLocation.height;
var font = self.getFont(dataRangeOption.textStyle);
var textHieght = zrArea.getTextWidth('国', font) + 2;
var textWidth = Math.max(
zrArea.getTextWidth(
dataRangeOption.precision === 0
? dataRangeOption.max
: dataRangeOption.max.toFixed(
dataRangeOption.precision
),
font),
zrArea.getTextWidth(
dataRangeOption.precision === 0
? dataRangeOption.min
: dataRangeOption.min.toFixed(
dataRangeOption.precision
),
font
)
) + 2;
var pointListStart;
var textXStart;
var textYStart;
var pointListEnd;
var textXEnd;
var textYEnd;
if (dataRangeOption.orient == 'horizontal') {
// 水平
if (dataRangeOption.y != 'bottom') {
// 手柄统统在下方
pointListStart = [
[x, y],
[x, y + height + textHieght / 2 * 3],
[x - textWidth, y + height + textHieght / 2 * 3],
[x - textWidth, y + height + textHieght / 2],
[x - textHieght / 2, y + height + textHieght / 2],
[x - 1, y + height],
[x - 1, y]
];
textXStart = x - textWidth / 2;
textYStart = y + height + textHieght;
pointListEnd = [
[x + width, y],
[x + width, y + height + textHieght / 2 * 3],
[x + width + textWidth, y + height + textHieght/2*3],
[x + width + textWidth, y + height + textHieght / 2],
[x + width + textHieght / 2, y + height + textHieght/2],
[x + width + 1, y + height],
[x + width + 1, y]
];
textXEnd = x + width + textWidth / 2;
textYEnd = textYStart;
}
else {
// 手柄在上方
pointListStart = [
[x, y + height],
[x, y - textHieght / 2 * 3],
[x - textWidth, y - textHieght / 2 * 3],
[x - textWidth, y - textHieght / 2],
[x - textHieght / 2, y - textHieght / 2],
[x - 1, y],
[x - 1, y + height]
];
textXStart = x - textWidth / 2;
textYStart = y - textHieght;
pointListEnd = [
[x + width, y + height],
[x + width, y - textHieght / 2 * 3],
[x + width + textWidth, y - textHieght / 2 * 3],
[x + width + textWidth, y - textHieght / 2],
[x + width + textHieght / 2, y - textHieght / 2],
[x + width + 1, y],
[x + width + 1, y + height]
];
textXEnd = x + width + textWidth / 2;
textYEnd = textYStart;
}
}
else {
textWidth += textHieght;
// 垂直
if (dataRangeOption.x != 'right') {
// 手柄统统在右侧
pointListStart = [
[x, y],
[x + width + textWidth, y],
[x + width + textWidth, y - textHieght],
[x + width + textHieght, y - textHieght],
[x + width, y - 1],
[x, y - 1]
];
textXStart = x + width + textWidth / 2 + textHieght / 2;
textYStart = y - textHieght / 2;
pointListEnd = [
[x, y + height],
[x + width + textWidth, y + height],
[x + width + textWidth, y + textHieght + height],
[x + width + textHieght, y + textHieght + height],
[x + width, y + 1 + height],
[x, y + height + 1]
];
textXEnd = textXStart;
textYEnd = y + height + textHieght / 2;
}
else {
// 手柄在左侧
pointListStart = [
[x + width, y],
[x - textWidth, y],
[x - textWidth, y - textHieght],
[x - textHieght, y - textHieght],
[x, y - 1],
[x + width, y - 1]
];
textXStart = x - textWidth / 2 - textHieght / 2;
textYStart = y - textHieght / 2;
pointListEnd = [
[x + width, y + height],
[x - textWidth, y + height],
[x - textWidth, y + textHieght + height],
[x - textHieght, y + textHieght + height],
[x, y + 1 + height],
[x + width, y + height + 1]
];
textXEnd = textXStart;
textYEnd = y + height + textHieght / 2;
}
}
_startShape = {
shape : 'polygon',
zlevel : _zlevelBase + 1,
style : {
pointList : pointListStart,
text : dataRangeOption.max + '',
textX : textXStart,
textY : textYStart,
textPosition : 'specific',
textAlign : 'center',
textBaseline : 'middle ',
textColor: dataRangeOption.textStyle.color,
color : getColor(dataRangeOption.max),
width : 0, // for ondrif计算统一
height : 0,
x : pointListStart[0][0],
y : pointListStart[0][1],
_x : pointListStart[0][0], // 拖拽区域控制缓存
_y : pointListStart[0][1]
},
draggable : true,
ondrift : _ondrift,
ondragend : _ondragend
};
_endShape = {
shape : 'polygon',
zlevel : _zlevelBase + 1,
style : {
pointList : pointListEnd,
text : dataRangeOption.min + '',
textX : textXEnd,
textY : textYEnd,
textPosition : 'specific',
textAlign : 'center',
textBaseline : 'middle ',
textColor: dataRangeOption.textStyle.color,
color : getColor(dataRangeOption.min),
width : 0, // for ondrif计算统一
height : 0,
x : pointListEnd[0][0],
y : pointListEnd[0][1],
_x : pointListEnd[0][0], // 拖拽区域控制缓存
_y : pointListEnd[0][1]
},
draggable : true,
ondrift : _ondrift,
ondragend : _ondragend
};
self.shapeList.push(_startShape);
self.shapeList.push(_endShape);
}
function _bulidMask() {
var x = _calculableLocation.x;
var y = _calculableLocation.y;
var width = _calculableLocation.width;
var height = _calculableLocation.height;
_startMask = {
shape : 'rectangle',
zlevel : _zlevelBase + 1,
style : {
x : x,
y : y,
width : dataRangeOption.orient == 'horizontal'
? 0 : width,
height : dataRangeOption.orient == 'horizontal'
? height : 0,
color : '#ccc'
},
hoverable:false
};
_endMask = {
shape : 'rectangle',
zlevel : _zlevelBase + 1,
style : {
x : dataRangeOption.orient == 'horizontal'
? x + width : x,
y : dataRangeOption.orient == 'horizontal'
? y : y + height,
width : dataRangeOption.orient == 'horizontal'
? 0 : width,
height : dataRangeOption.orient == 'horizontal'
? height : 0,
color : '#ccc'
},
hoverable:false
};
self.shapeList.push(_startMask);
self.shapeList.push(_endMask);
}
function _buildBackground() {
var pTop = dataRangeOption.padding[0];
var pRight = dataRangeOption.padding[1];
var pBottom = dataRangeOption.padding[2];
var pLeft = dataRangeOption.padding[3];
self.shapeList.push({
shape : 'rectangle',
zlevel : _zlevelBase,
hoverable :false,
style : {
x : _itemGroupLocation.x - pLeft,
y : _itemGroupLocation.y - pTop,
width : _itemGroupLocation.width + pLeft + pRight,
height : _itemGroupLocation.height + pTop + pBottom,
brushType : dataRangeOption.borderWidth === 0
? 'fill' : 'both',
color : dataRangeOption.backgroundColor,
strokeColor : dataRangeOption.borderColor,
lineWidth : dataRangeOption.borderWidth
}
});
}
/**
* 根据选项计算值域实体的位置坐标
*/
function _getItemGroupLocation() {
var data = _valueTextList;
var dataLength = data.length;
var itemGap = dataRangeOption.itemGap;
var itemWidth = dataRangeOption.itemWidth;
var itemHeight = dataRangeOption.itemHeight;
var totalWidth = 0;
var totalHeight = 0;
var font = self.getFont(dataRangeOption.textStyle);
var textHeight = zrArea.getTextWidth('国', font);
if (dataRangeOption.orient == 'horizontal') {
// 水平布局，计算总宽度
if (dataRangeOption.text
|| dataRangeOption.splitNumber <= 0
|| dataRangeOption.calculable
) {
// 指定文字或线性渐变
totalWidth =
((dataRangeOption.splitNumber <= 0
|| dataRangeOption.calculable)
? (itemWidth * 10 + itemGap)
: dataLength * (itemWidth + itemGap))
+ (dataRangeOption.text
&& typeof dataRangeOption.text[0] != 'undefined'
? (zrArea.getTextWidth(
dataRangeOption.text[0],
font
) + _textGap)
: 0)
+ (dataRangeOption.text
&& typeof dataRangeOption.text[1] != 'undefined'
? (zrArea.getTextWidth(
dataRangeOption.text[1],
font
) + _textGap)
: 0);
}
else {
// 值标签
itemWidth += 5;
for (var i = 0; i < dataLength; i++) {
totalWidth += itemWidth
+ zrArea.getTextWidth(
data[i],
font
)
+ itemGap;
}
}
totalWidth -= itemGap; // 减去最后一个的itemGap
totalHeight = Math.max(textHeight, itemHeight);
}
else {
// 垂直布局，计算总高度
var maxWidth;
if (dataRangeOption.text
|| dataRangeOption.splitNumber <= 0
|| dataRangeOption.calculable
) {
// 指定文字或线性渐变
totalHeight =
((dataRangeOption.splitNumber <= 0
|| dataRangeOption.calculable)
? (itemHeight * 10 + itemGap)
: dataLength * (itemHeight + itemGap))
+ (dataRangeOption.text
&& typeof dataRangeOption.text[0] != 'undefined'
? (_textGap + textHeight)
: 0)
+ (dataRangeOption.text
&& typeof dataRangeOption.text[1] != 'undefined'
? (_textGap + textHeight)
: 0);
maxWidth = Math.max(
zrArea.getTextWidth(
(dataRangeOption.text && dataRangeOption.text[0])
|| '',
font
),
zrArea.getTextWidth(
(dataRangeOption.text && dataRangeOption.text[1])
|| '',
font
)
);
totalWidth = Math.max(itemWidth, maxWidth);
}
else {
totalHeight = (itemHeight + itemGap) * dataLength;
// 值标签
itemWidth += 5;
maxWidth = 0;
for (var i = 0; i < dataLength; i++) {
maxWidth = Math.max(
maxWidth,
zrArea.getTextWidth(
data[i],
font
)
);
}
totalWidth = itemWidth + maxWidth;
}
totalHeight -= itemGap; // 减去最后一个的itemGap;
}
var x;
var zrWidth = zr.getWidth();
switch (dataRangeOption.x) {
case 'center' :
x = Math.floor((zrWidth - totalWidth) / 2);
break;
case 'left' :
x = dataRangeOption.padding[3]
+ dataRangeOption.borderWidth;
break;
case 'right' :
x = zrWidth
- totalWidth
- dataRangeOption.padding[1]
- dataRangeOption.borderWidth;
break;
default :
x = dataRangeOption.x - 0;
x = isNaN(x) ? 0 : x;
break;
}
var y;
var zrHeight = zr.getHeight();
switch (dataRangeOption.y) {
case 'top' :
y = dataRangeOption.padding[0]
+ dataRangeOption.borderWidth;
break;
case 'bottom' :
y = zrHeight
- totalHeight
- dataRangeOption.padding[2]
- dataRangeOption.borderWidth;
break;
case 'center' :
y = Math.floor((zrHeight - totalHeight) / 2);
break;
default :
y = dataRangeOption.y - 0;
y = isNaN(y) ? 0 : y;
break;
}
if (dataRangeOption.calculable) {
// 留出手柄控件
var handlerWidth = Math.max(
zrArea.getTextWidth(dataRangeOption.max, font),
zrArea.getTextWidth(dataRangeOption.min, font)
);
if (dataRangeOption.orient == 'horizontal') {
if (x < handlerWidth) {
x = handlerWidth + 5;
}
if (x + totalWidth + handlerWidth > zrWidth) {
x -= handlerWidth + 5;
}
}
else {
if (y < textHeight) {
y = textHeight + 5;
}
if (y + totalHeight + textHeight > zrHeight) {
y -= textHeight + 5;
}
}
}
return {
x : x,
y : y,
width : totalWidth,
height : totalHeight
};
}
// 指定文本
function _getTextShape(x, y, text) {
return {
shape : 'text',
zlevel : _zlevelBase,
style : {
x : (dataRangeOption.orient == 'horizontal'
? x
: _itemGroupLocation.x
+ _itemGroupLocation.width / 2
),
y : (dataRangeOption.orient == 'horizontal'
? _itemGroupLocation.y
+ _itemGroupLocation.height / 2
: y
),
color : dataRangeOption.textStyle.color,
text: text,
textFont: self.getFont(dataRangeOption.textStyle),
textBaseline: (dataRangeOption.orient == 'horizontal'
? 'middle' : 'top'),
textAlign: (dataRangeOption.orient == 'horizontal'
? 'left' : 'center')
}
};
}
// 色尺legend item shape
function _getItemShape(x, y, width, height, color) {
return {
shape : 'rectangle',
zlevel : _zlevelBase,
style : {
x : x,
y : y + 1,
width : width,
height : height - 2,
color : color
},
clickable : true
};
}
/**
* 拖拽范围控制
*/
function _ondrift(e, dx, dy) {
var x = _calculableLocation.x;
var y = _calculableLocation.y;
var width = _calculableLocation.width;
var height = _calculableLocation.height;
if (dataRangeOption.orient == 'horizontal') {
if (e.style.x + dx <= x) {
e.style.x = x;
}
else if (e.style.x + dx + e.style.width >= x + width) {
e.style.x = x + width - e.style.width;
}
else {
e.style.x += dx;
}
}
else {
if (e.style.y + dy <= y) {
e.style.y = y;
}
else if (e.style.y + dy + e.style.height >= y + height) {
e.style.y = y + height - e.style.height;
}
else {
e.style.y += dy;
}
}
if (e._type == 'filler') {
_syncHandleShape();
}
else {
//e.position = [e.style.x - e.style._x, e.style.y - e.style._y];
_syncFillerShape(e);
}
if (dataRangeOption.realtime) {
_syncData();
}
else {
clearTimeout(_syncTicket);
_syncTicket = setTimeout(_syncData, 200);
}
return true;
}
function _ondragend() {
self.isDragend = true;
}
/**
* 数据项被拖拽出去
*/
function ondragend(param, status) {
if (!self.isDragend || !param.target) {
// 没有在当前实例上发生拖拽行为则直接返回
return;
}
_syncData();
// 别status = {}赋值啊！！
status.dragOut = true;
status.dragIn = true;
if (!dataRangeOption.realtime) {
messageCenter.dispatch(ecConfig.EVENT.DATA_RANGE);
}
status.needRefresh = false; // 会有消息触发fresh，不用再刷一遍
// 处理完拖拽事件后复位
self.isDragend = false;
return;
}
function _syncHandleShape() {
var x = _calculableLocation.x;
var y = _calculableLocation.y;
var width = _calculableLocation.width;
var height = _calculableLocation.height;
if (dataRangeOption.orient == 'horizontal') {
_startShape.style.x = _fillerShae.style.x;
_startMask.style.width = _startShape.style.x - x;
_endShape.style.x = _fillerShae.style.x
+ _fillerShae.style.width;
_endMask.style.x = _endShape.style.x;
_endMask.style.width = x + width - _endShape.style.x;
_range.start = Math.ceil(
100 - (_startShape.style.x - x) / width * 100
);
_range.end = Math.floor(
100 - (_endShape.style.x - x) / width * 100
);
}
else {
_startShape.style.y = _fillerShae.style.y;
_startMask.style.height = _startShape.style.y - y;
_endShape.style.y = _fillerShae.style.y
+ _fillerShae.style.height;
_endMask.style.y = _endShape.style.y;
_endMask.style.height = y + height - _endShape.style.y;
_range.start = Math.ceil(
100 - (_startShape.style.y - y) / height * 100
);
_range.end = Math.floor(
100 - (_endShape.style.y - y) / height * 100
);
}
_syncShape(false);
}
function _syncFillerShape(e) {
var x = _calculableLocation.x;
var y = _calculableLocation.y;
var width = _calculableLocation.width;
var height = _calculableLocation.height;
var a;
var b;
if (dataRangeOption.orient == 'horizontal') {
a = _startShape.style.x;
b = _endShape.style.x;
if (e.id == _startShape.id && a >= b) {
// _startShape触发
b = a;
_endShape.style.x = a;
}
else if (e.id == _endShape.id && a >= b) {
// _endShape触发
a = b;
_startShape.style.x = a;
}
_fillerShae.style.x = a;
_fillerShae.style.width = b - a;
_startMask.style.width = a - x;
_endMask.style.x = b;
_endMask.style.width = x + width - b;
_range.start = Math.ceil(100 - (a - x) / width * 100);
_range.end = Math.floor(100 - (b - x) / width * 100);
}
else {
a = _startShape.style.y;
b = _endShape.style.y;
if (e.id == _startShape.id && a >= b) {
// _startShape触发
b = a;
_endShape.style.y = a;
}
else if (e.id == _endShape.id && a >= b) {
// _endShape触发
a = b;
_startShape.style.y = a;
}
_fillerShae.style.y = a;
_fillerShae.style.height = b - a;
_startMask.style.height = a - y;
_endMask.style.y = b;
_endMask.style.height = y + height - b;
_range.start = Math.ceil(100 - (a - y) / height * 100);
_range.end = Math.floor(100 - (b - y) / height * 100);
}
_syncShape(true);
}
function _syncShape(needFiller) {
_startShape.position = [
_startShape.style.x - _startShape.style._x,
_startShape.style.y - _startShape.style._y
];
if (dataRangeOption.precision === 0) {
_startShape.style.text = Math.round(
_gap * _range.start + dataRangeOption.min
) + '';
} else {
_startShape.style.text =(
_gap * _range.start + dataRangeOption.min
).toFixed(dataRangeOption.precision);
}
_startShape.style.color = getColor(
_gap * _range.start + dataRangeOption.min
);
zr.modShape(_startShape.id, _startShape);
_endShape.position = [
_endShape.style.x - _endShape.style._x,
_endShape.style.y - _endShape.style._y
];