/** | |
* echarts图表类:折线图 | |
* | |
* @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, linzhifeng@baidu.com) | |
* | |
*/ | |
define(function(require) { | |
/** | |
* 构造函数 | |
* @param {Object} messageCenter echart消息中心 | |
* @param {ZRender} zr zrender实例 | |
* @param {Object} series 数据 | |
* @param {Object} component 组件 | |
*/ | |
function Line(ecConfig, messageCenter, zr, option, component){ | |
// 基类装饰 | |
var ComponentBase = require('../component/base'); | |
ComponentBase.call(this, ecConfig, zr); | |
// 可计算特性装饰 | |
var CalculableBase = require('./calculableBase'); | |
CalculableBase.call(this, zr, option); | |
var zrColor = require('zrender/tool/color'); | |
var self = this; | |
self.type = ecConfig.CHART_TYPE_LINE; | |
var series; // 共享数据源,不要修改跟自己无关的项 | |
var _zlevelBase = self.getZlevelBase(); | |
var finalPLMap = {}; // 完成的point list(PL) | |
var _sIndex2ColorMap = {}; // series默认颜色索引,seriesIndex索引到color | |
var _symbol = ecConfig.symbolList; | |
var _sIndex2ShapeMap = {}; // series拐点图形类型,seriesIndex索引到shape type | |
require('zrender/shape').get('icon').define( | |
'legendLineIcon', legendLineIcon | |
); | |
function _buildShape() { | |
finalPLMap = {}; | |
self.selectedMap = {}; | |
// 水平垂直双向series索引 ,position索引到seriesIndex | |
var _position2sIndexMap = { | |
top : [], | |
bottom : [], | |
left : [], | |
right : [] | |
}; | |
var xAxisIndex; | |
var yAxisIndex; | |
var xAxis; | |
var yAxis; | |
for (var i = 0, l = series.length; i < l; i++) { | |
if (series[i].type == self.type) { | |
series[i] = self.reformOption(series[i]); | |
xAxisIndex = series[i].xAxisIndex; | |
yAxisIndex = series[i].yAxisIndex; | |
xAxis = component.xAxis.getAxis(xAxisIndex); | |
yAxis = component.yAxis.getAxis(yAxisIndex); | |
if (xAxis.type == ecConfig.COMPONENT_TYPE_AXIS_CATEGORY | |
) { | |
_position2sIndexMap[xAxis.getPosition()].push(i); | |
} | |
else if (yAxis.type == ecConfig.COMPONENT_TYPE_AXIS_CATEGORY | |
) { | |
_position2sIndexMap[yAxis.getPosition()].push(i); | |
} | |
} | |
} | |
//console.log(_position2sIndexMap) | |
for (var position in _position2sIndexMap) { | |
if (_position2sIndexMap[position].length > 0) { | |
_buildSinglePosition( | |
position, _position2sIndexMap[position] | |
); | |
} | |
} | |
for (var i = 0, l = self.shapeList.length; i < l; i++) { | |
self.shapeList[i].id = zr.newShapeId(self.type); | |
zr.addShape(self.shapeList[i]); | |
} | |
} | |
/** | |
* 构建单个方向上的折线图 | |
* | |
* @param {number} seriesIndex 系列索引 | |
*/ | |
function _buildSinglePosition(position, seriesArray) { | |
var mapData = _mapData(seriesArray); | |
var locationMap = mapData.locationMap; | |
var maxDataLength = mapData.maxDataLength; | |
if (maxDataLength === 0 || locationMap.length === 0) { | |
return; | |
} | |
var xMarkMap = {}; // 为标注记录一些参数 | |
switch (position) { | |
case 'bottom' : | |
case 'top' : | |
_buildHorizontal(maxDataLength, locationMap, xMarkMap); | |
break; | |
case 'left' : | |
case 'right' : | |
_buildVertical(maxDataLength, locationMap, xMarkMap); | |
break; | |
} | |
for (var i = 0, l = seriesArray.length; i < l; i++) { | |
self.buildMark( | |
series[seriesArray[i]], | |
seriesArray[i], | |
component, | |
{ | |
xMarkMap : xMarkMap | |
} | |
); | |
} | |
} | |
/** | |
* 数据整形 | |
* 数组位置映射到系列索引 | |
*/ | |
function _mapData(seriesArray) { | |
var serie; // 临时映射变量 | |
var dataIndex = 0; // 堆叠数据所在位置映射 | |
var stackMap = {}; // 堆叠数据位置映射,堆叠组在二维中的第几项 | |
var magicStackKey = '__kener__stack__'; // 堆叠命名,非堆叠数据安单一堆叠处理 | |
var stackKey; // 临时映射变量 | |
var serieName; // 临时映射变量 | |
var legend = component.legend; | |
var locationMap = []; // 需要返回的东西:数组位置映射到系列索引 | |
var maxDataLength = 0; // 需要返回的东西:最大数据长度 | |
var iconShape; | |
// 计算需要显示的个数和分配位置并记在下面这个结构里 | |
for (var i = 0, l = seriesArray.length; i < l; i++) { | |
serie = series[seriesArray[i]]; | |
serieName = serie.name; | |
_sIndex2ShapeMap[seriesArray[i]] | |
= _sIndex2ShapeMap[seriesArray[i]] | |
|| self.query(serie,'symbol') | |
|| _symbol[i % _symbol.length]; | |
if (legend){ | |
self.selectedMap[serieName] = legend.isSelected(serieName); | |
_sIndex2ColorMap[seriesArray[i]] | |
= legend.getColor(serieName); | |
iconShape = legend.getItemShape(serieName); | |
if (iconShape) { | |
// 回调legend,换一个更形象的icon | |
iconShape.shape = 'icon'; | |
iconShape.style.iconType = 'legendLineIcon'; | |
iconShape.style.symbol = | |
_sIndex2ShapeMap[seriesArray[i]]; | |
legend.setItemShape(serieName, iconShape); | |
} | |
} else { | |
self.selectedMap[serieName] = true; | |
_sIndex2ColorMap[seriesArray[i]] | |
= zr.getColor(seriesArray[i]); | |
} | |
if (self.selectedMap[serieName]) { | |
stackKey = serie.stack || (magicStackKey + seriesArray[i]); | |
if (typeof stackMap[stackKey] == 'undefined') { | |
stackMap[stackKey] = dataIndex; | |
locationMap[dataIndex] = [seriesArray[i]]; | |
dataIndex++; | |
} | |
else { | |
// 已经分配了位置就推进去就行 | |
locationMap[stackMap[stackKey]].push(seriesArray[i]); | |
} | |
} | |
// 兼职帮算一下最大长度 | |
maxDataLength = Math.max(maxDataLength, serie.data.length); | |
} | |
/* 调试输出 | |
var s = ''; | |
for (var i = 0, l = maxDataLength; i < l; i++) { | |
s = '['; | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
s +='[' | |
for (var m = 0, n = locationMap[j].length - 1; m < n; m++) { | |
s += series[locationMap[j][m]].data[i] + ',' | |
} | |
s += series[locationMap[j][locationMap[j].length - 1]] | |
.data[i]; | |
s += ']' | |
} | |
s += ']'; | |
console.log(s); | |
} | |
console.log(locationMap) | |
*/ | |
return { | |
locationMap : locationMap, | |
maxDataLength : maxDataLength | |
}; | |
} | |
/** | |
* 构建类目轴为水平方向的折线图系列 | |
*/ | |
function _buildHorizontal(maxDataLength, locationMap, xMarkMap) { | |
// 确定类目轴和数值轴,同一方向随便找一个即可 | |
var seriesIndex = locationMap[0][0]; | |
var serie = series[seriesIndex]; | |
var xAxisIndex = serie.xAxisIndex; | |
var categoryAxis = component.xAxis.getAxis(xAxisIndex); | |
var yAxisIndex; // 数值轴各异 | |
var valueAxis; // 数值轴各异 | |
var x; | |
var y; | |
var lastYP; // 正向堆叠处理 | |
var baseYP; | |
var lastYN; // 负向堆叠处理 | |
var baseYN; | |
//var finalPLMap = {}; // 完成的point list(PL) | |
var curPLMap = {}; // 正在记录的point list(PL) | |
var data; | |
var value; | |
for (var i = 0, l = maxDataLength; i < l; i++) { | |
if (typeof categoryAxis.getNameByIndex(i) == 'undefined') { | |
// 系列数据超出类目轴长度 | |
break; | |
} | |
x = categoryAxis.getCoordByIndex(i); | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
// 堆叠数据用第一条valueAxis | |
yAxisIndex = series[locationMap[j][0]].yAxisIndex || 0; | |
valueAxis = component.yAxis.getAxis(yAxisIndex); | |
baseYP = lastYP = baseYN = lastYN = valueAxis.getCoord(0); | |
for (var m = 0, n = locationMap[j].length; m < n; m++) { | |
seriesIndex = locationMap[j][m]; | |
serie = series[seriesIndex]; | |
data = serie.data[i]; | |
value = typeof data != 'undefined' | |
? (typeof data.value != 'undefined' | |
? data.value | |
: data) | |
: '-'; | |
curPLMap[seriesIndex] = curPLMap[seriesIndex] || []; | |
xMarkMap[seriesIndex] = xMarkMap[seriesIndex] | |
|| { | |
min : Number.POSITIVE_INFINITY, | |
max : Number.NEGATIVE_INFINITY, | |
sum : 0, | |
counter : 0, | |
average : 0 | |
}; | |
if (value == '-') { | |
// 空数据则把正在记录的curPLMap添加到finalPLMap中 | |
if (curPLMap[seriesIndex].length > 0) { | |
finalPLMap[seriesIndex] = | |
finalPLMap[seriesIndex] || []; | |
finalPLMap[seriesIndex].push( | |
curPLMap[seriesIndex] | |
); | |
curPLMap[seriesIndex] = []; | |
} | |
continue; | |
} | |
//y = valueAxis.getCoord(value); | |
if (value >= 0) { | |
// 正向堆叠 | |
lastYP -= m > 0 | |
? valueAxis.getCoordSize(value) | |
: (baseYP - valueAxis.getCoord(value)); | |
y = lastYP; | |
} | |
else if (value < 0){ | |
// 负向堆叠 | |
lastYN += m > 0 | |
? valueAxis.getCoordSize(value) | |
: (valueAxis.getCoord(value) - baseYN); | |
y = lastYN; | |
} | |
curPLMap[seriesIndex].push( | |
[x, y, i, categoryAxis.getNameByIndex(i), x, baseYP] | |
); | |
if (xMarkMap[seriesIndex].min > value) { | |
xMarkMap[seriesIndex].min = value; | |
xMarkMap[seriesIndex].minY = y; | |
xMarkMap[seriesIndex].minX = x; | |
} | |
if (xMarkMap[seriesIndex].max < value) { | |
xMarkMap[seriesIndex].max = value; | |
xMarkMap[seriesIndex].maxY = y; | |
xMarkMap[seriesIndex].maxX = x; | |
} | |
xMarkMap[seriesIndex].sum += value; | |
xMarkMap[seriesIndex].counter++; | |
} | |
} | |
// 补充空数据的拖拽提示 | |
lastYP = component.grid.getY(); | |
var symbolSize; | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
for (var m = 0, n = locationMap[j].length; m < n; m++) { | |
seriesIndex = locationMap[j][m]; | |
serie = series[seriesIndex]; | |
data = serie.data[i]; | |
value = typeof data != 'undefined' | |
? (typeof data.value != 'undefined' | |
? data.value | |
: data) | |
: '-'; | |
if (value != '-') { | |
// 只关心空数据 | |
continue; | |
} | |
if (self.deepQuery( | |
[data, serie, option], 'calculable' | |
) | |
) { | |
symbolSize = self.deepQuery( | |
[data, serie], | |
'symbolSize' | |
); | |
lastYP += symbolSize * 2 + 5; | |
y = lastYP; | |
self.shapeList.push(_getCalculableItem( | |
seriesIndex, i, categoryAxis.getNameByIndex(i), | |
x, y, 'horizontal' | |
)); | |
} | |
} | |
} | |
} | |
// 把剩余未完成的curPLMap全部添加到finalPLMap中 | |
for (var sId in curPLMap) { | |
if (curPLMap[sId].length > 0) { | |
finalPLMap[sId] = finalPLMap[sId] || []; | |
finalPLMap[sId].push(curPLMap[sId]); | |
curPLMap[sId] = []; | |
} | |
} | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
for (var m = 0, n = locationMap[j].length; m < n; m++) { | |
seriesIndex = locationMap[j][m]; | |
if (xMarkMap[seriesIndex].counter > 0) { | |
xMarkMap[seriesIndex].average = | |
(xMarkMap[seriesIndex].sum / xMarkMap[seriesIndex].counter).toFixed(2) | |
- 0; | |
} | |
y = component.yAxis.getAxis(series[seriesIndex].yAxisIndex || 0) | |
.getCoord(xMarkMap[seriesIndex].average); | |
xMarkMap[seriesIndex].averageLine = [ | |
[component.grid.getX(), y], | |
[component.grid.getXend(), y] | |
]; | |
xMarkMap[seriesIndex].minLine = [ | |
[component.grid.getX(), xMarkMap[seriesIndex].minY], | |
[component.grid.getXend(), xMarkMap[seriesIndex].minY] | |
]; | |
xMarkMap[seriesIndex].maxLine = [ | |
[component.grid.getX(), xMarkMap[seriesIndex].maxY], | |
[component.grid.getXend(), xMarkMap[seriesIndex].maxY] | |
]; | |
} | |
} | |
_buildBorkenLine(finalPLMap, categoryAxis, 'horizontal'); | |
} | |
/** | |
* 构建类目轴为垂直方向的折线图系列 | |
*/ | |
function _buildVertical(maxDataLength, locationMap, xMarkMap) { | |
// 确定类目轴和数值轴,同一方向随便找一个即可 | |
var seriesIndex = locationMap[0][0]; | |
var serie = series[seriesIndex]; | |
var yAxisIndex = serie.yAxisIndex; | |
var categoryAxis = component.yAxis.getAxis(yAxisIndex); | |
var xAxisIndex; // 数值轴各异 | |
var valueAxis; // 数值轴各异 | |
var x; | |
var y; | |
var lastXP; // 正向堆叠处理 | |
var baseXP; | |
var lastXN; // 负向堆叠处理 | |
var baseXN; | |
//var finalPLMap = {}; // 完成的point list(PL) | |
var curPLMap = {}; // 正在记录的point list(PL) | |
var data; | |
var value; | |
for (var i = 0, l = maxDataLength; i < l; i++) { | |
if (typeof categoryAxis.getNameByIndex(i) == 'undefined') { | |
// 系列数据超出类目轴长度 | |
break; | |
} | |
y = categoryAxis.getCoordByIndex(i); | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
// 堆叠数据用第一条valueAxis | |
xAxisIndex = series[locationMap[j][0]].xAxisIndex || 0; | |
valueAxis = component.xAxis.getAxis(xAxisIndex); | |
baseXP = lastXP = baseXN = lastXN = valueAxis.getCoord(0); | |
for (var m = 0, n = locationMap[j].length; m < n; m++) { | |
seriesIndex = locationMap[j][m]; | |
serie = series[seriesIndex]; | |
data = serie.data[i]; | |
value = typeof data != 'undefined' | |
? (typeof data.value != 'undefined' | |
? data.value | |
: data) | |
: '-'; | |
curPLMap[seriesIndex] = curPLMap[seriesIndex] || []; | |
xMarkMap[seriesIndex] = xMarkMap[seriesIndex] | |
|| { | |
min : Number.POSITIVE_INFINITY, | |
max : Number.NEGATIVE_INFINITY, | |
sum : 0, | |
counter : 0, | |
average : 0 | |
}; | |
if (value == '-') { | |
// 空数据则把正在记录的curPLMap添加到finalPLMap中 | |
if (curPLMap[seriesIndex].length > 0) { | |
finalPLMap[seriesIndex] = | |
finalPLMap[seriesIndex] || []; | |
finalPLMap[seriesIndex].push( | |
curPLMap[seriesIndex] | |
); | |
curPLMap[seriesIndex] = []; | |
} | |
continue; | |
} | |
//x = valueAxis.getCoord(value); | |
if (value >= 0) { | |
// 正向堆叠 | |
lastXP += m > 0 | |
? valueAxis.getCoordSize(value) | |
: (valueAxis.getCoord(value) - baseXP); | |
x = lastXP; | |
} | |
else if (value < 0){ | |
// 负向堆叠 | |
lastXN -= m > 0 | |
? valueAxis.getCoordSize(value) | |
: (baseXN - valueAxis.getCoord(value)); | |
x = lastXN; | |
} | |
curPLMap[seriesIndex].push( | |
[x, y, i, categoryAxis.getNameByIndex(i), baseXP, y] | |
); | |
if (xMarkMap[seriesIndex].min > value) { | |
xMarkMap[seriesIndex].min = value; | |
xMarkMap[seriesIndex].minX = x; | |
xMarkMap[seriesIndex].minY = y; | |
} | |
if (xMarkMap[seriesIndex].max < value) { | |
xMarkMap[seriesIndex].max = value; | |
xMarkMap[seriesIndex].maxX = x; | |
xMarkMap[seriesIndex].maxY = y; | |
} | |
xMarkMap[seriesIndex].sum += value; | |
xMarkMap[seriesIndex].counter++; | |
} | |
} | |
// 补充空数据的拖拽提示 | |
lastXP = component.grid.getXend(); | |
var symbolSize; | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
for (var m = 0, n = locationMap[j].length; m < n; m++) { | |
seriesIndex = locationMap[j][m]; | |
serie = series[seriesIndex]; | |
data = serie.data[i]; | |
value = typeof data != 'undefined' | |
? (typeof data.value != 'undefined' | |
? data.value | |
: data) | |
: '-'; | |
if (value != '-') { | |
// 只关心空数据 | |
continue; | |
} | |
if (self.deepQuery( | |
[data, serie, option], 'calculable' | |
) | |
) { | |
symbolSize = self.deepQuery( | |
[data, serie], | |
'symbolSize' | |
); | |
lastXP -= symbolSize * 2 + 5; | |
x = lastXP; | |
self.shapeList.push(_getCalculableItem( | |
seriesIndex, i, categoryAxis.getNameByIndex(i), | |
x, y, 'vertical' | |
)); | |
} | |
} | |
} | |
} | |
// 把剩余未完成的curPLMap全部添加到finalPLMap中 | |
for (var sId in curPLMap) { | |
if (curPLMap[sId].length > 0) { | |
finalPLMap[sId] = finalPLMap[sId] || []; | |
finalPLMap[sId].push(curPLMap[sId]); | |
curPLMap[sId] = []; | |
} | |
} | |
for (var j = 0, k = locationMap.length; j < k; j++) { | |
for (var m = 0, n = locationMap[j].length; m < n; m++) { | |
seriesIndex = locationMap[j][m]; | |
if (xMarkMap[seriesIndex].counter > 0) { | |
xMarkMap[seriesIndex].average = | |
(xMarkMap[seriesIndex].sum / xMarkMap[seriesIndex].counter).toFixed(2) | |
- 0; | |
} | |
x = component.xAxis.getAxis(series[seriesIndex].xAxisIndex || 0) | |
.getCoord(xMarkMap[seriesIndex].average); | |
xMarkMap[seriesIndex].averageLine = [ | |
[x, component.grid.getYend()], | |
[x, component.grid.getY()] | |
]; | |
xMarkMap[seriesIndex].minLine = [ | |
[xMarkMap[seriesIndex].minX, component.grid.getYend()], | |
[xMarkMap[seriesIndex].minX, component.grid.getY()] | |
]; | |
xMarkMap[seriesIndex].maxLine = [ | |
[xMarkMap[seriesIndex].maxX, component.grid.getYend()], | |
[xMarkMap[seriesIndex].maxX, component.grid.getY()] | |
]; | |
} | |
} | |
_buildBorkenLine(finalPLMap, categoryAxis, 'vertical'); | |
} | |
/** | |
* 生成折线和折线上的拐点 | |
*/ | |
function _buildBorkenLine(pointList, categoryAxis, orient) { | |
var defaultColor; | |
// 折线相关 | |
var lineWidth; | |
var lineType; | |
var lineColor; | |
var normalColor; | |
// 填充相关 | |
var isFill; | |
var fillNormalColor; | |
var serie; | |
var data; | |
var seriesPL; | |
var singlePL; | |
// 堆叠层叠需求,反顺序构建 | |
for (var seriesIndex = series.length - 1; | |
seriesIndex >= 0; | |
seriesIndex-- | |
) { | |
serie = series[seriesIndex]; | |
seriesPL = pointList[seriesIndex]; | |
if (serie.type == self.type && typeof seriesPL != 'undefined') { | |
defaultColor = _sIndex2ColorMap[seriesIndex]; | |
// 多级控制 | |
lineWidth = self.query( | |
serie, 'itemStyle.normal.lineStyle.width' | |
); | |
lineType = self.query( | |
serie, 'itemStyle.normal.lineStyle.type' | |
); | |
lineColor = self.query( | |
serie, 'itemStyle.normal.lineStyle.color' | |
); | |
normalColor = self.getItemStyleColor( | |
self.query(serie, 'itemStyle.normal.color'), seriesIndex, -1 | |
); | |
isFill = typeof self.query( | |
serie, 'itemStyle.normal.areaStyle' | |
) != 'undefined'; | |
fillNormalColor = self.query( | |
serie, 'itemStyle.normal.areaStyle.color' | |
); | |
for (var i = 0, l = seriesPL.length; i < l; i++) { | |
singlePL = seriesPL[i]; | |
for (var j = 0, k = singlePL.length; j < k; j++) { | |
data = serie.data[singlePL[j][2]]; | |
if (self.deepQuery( | |
[data, serie], 'showAllSymbol' | |
) // 全显示 | |
|| (categoryAxis.isMainAxis(singlePL[j][2]) | |
&& self.deepQuery( | |
[data, serie], 'symbol' | |
) != 'none' | |
) // 主轴非空 | |
|| self.deepQuery( | |
[data, serie, option], | |
'calculable' | |
) // 可计算 | |
) { | |
self.shapeList.push(_getSymbol( | |
seriesIndex, | |
singlePL[j][2], // dataIndex | |
singlePL[j][3], // name | |
singlePL[j][0], // x | |
singlePL[j][1], // y | |
orient | |
)); | |
} | |
} | |
// 折线图 | |
self.shapeList.push({ | |
shape : 'brokenLine', | |
zlevel : _zlevelBase, | |
style : { | |
miterLimit: lineWidth, | |
pointList : singlePL, | |
strokeColor : lineColor | |
|| normalColor | |
|| defaultColor, | |
lineWidth : lineWidth, | |
lineType : lineType, | |
smooth : _getSmooth(serie.smooth), | |
shadowColor : self.query( | |
serie, | |
'itemStyle.normal.lineStyle.shadowColor' | |
), | |
shadowBlur: self.query( | |
serie, | |
'itemStyle.normal.lineStyle.shadowBlur' | |
), | |
shadowOffsetX: self.query( | |
serie, | |
'itemStyle.normal.lineStyle.shadowOffsetX' | |
), | |
shadowOffsetY: self.query( | |
serie, | |
'itemStyle.normal.lineStyle.shadowOffsetY' | |
) | |
}, | |
hoverable : false, | |
_main : true, | |
_seriesIndex : seriesIndex, | |
_orient : orient | |
}); | |
if (isFill) { | |
self.shapeList.push({ | |
shape : 'halfSmoothPolygon', | |
zlevel : _zlevelBase, | |
style : { | |
miterLimit: lineWidth, | |
pointList : singlePL.concat([ | |
[ | |
singlePL[singlePL.length - 1][4], | |
singlePL[singlePL.length - 1][5] - 2 | |
], | |
[ | |
singlePL[0][4], | |
singlePL[0][5] - 2 | |
] | |
]), | |
brushType : 'fill', | |
smooth : _getSmooth(serie.smooth), | |
color : fillNormalColor | |
? fillNormalColor | |
: zrColor.alpha(defaultColor,0.5) | |
}, | |
hoverable : false, | |
_main : true, | |
_seriesIndex : seriesIndex, | |
_orient : orient | |
}); | |
} | |
} | |
} | |
} | |
} | |
function _getSmooth(isSmooth/*, pointList, orient*/) { | |
if (isSmooth) { | |
/* 不科学啊,发现0.3通用了 | |
var delta; | |
if (orient == 'horizontal') { | |
delta = Math.abs(pointList[0][0] - pointList[1][0]); | |
} | |
else { | |
delta = Math.abs(pointList[0][1] - pointList[1][1]); | |
} | |
*/ | |
return 0.3; | |
} | |
else { | |
return 0; | |
} | |
} | |
/** | |
* 生成空数据所需的可计算提示图形 | |
*/ | |
function _getCalculableItem( | |
seriesIndex, dataIndex, name, x, y, orient | |
) { | |
var color = series[seriesIndex].calculableHolderColor | |
|| ecConfig.calculableHolderColor; | |
var itemShape = _getSymbol( | |
seriesIndex, dataIndex, name, | |
x, y, orient | |
); | |
itemShape.style.color = color; | |
itemShape.style.strokeColor = color; | |
itemShape.rotation = [0,0]; | |
itemShape.hoverable = false; | |
itemShape.draggable = false; | |
itemShape.style.text = undefined; | |
return itemShape; | |
} | |
/** | |
* 生成折线图上的拐点图形 | |
*/ | |
function _getSymbol(seriesIndex, dataIndex, name, x, y, orient) { | |
var serie = series[seriesIndex]; | |
var data = serie.data[dataIndex]; | |
var itemShape = self.getSymbolShape( | |
serie, seriesIndex, data, dataIndex, name, | |
x, y, | |
_sIndex2ShapeMap[seriesIndex], | |
_sIndex2ColorMap[seriesIndex], | |
'#fff', | |
orient == 'vertical' ? 'horizontal' : 'vertical' // 翻转 | |
); | |
itemShape.zlevel = _zlevelBase + 1; | |
if (self.deepQuery([data, serie, option], 'calculable')) { | |
self.setCalculable(itemShape); | |
itemShape.draggable = true; | |
} | |
return itemShape; | |
} | |
// 位置转换 | |
function getMarkCoord(serie, seriesIndex, mpData, markCoordParams) { | |
var xAxis = component.xAxis.getAxis(serie.xAxisIndex); | |
var yAxis = component.yAxis.getAxis(serie.yAxisIndex); | |
if (mpData.type | |
&& (mpData.type == 'max' || mpData.type == 'min' || mpData.type == 'average') | |
) { | |
// 特殊值内置支持 | |
return [ | |
markCoordParams.xMarkMap[seriesIndex][mpData.type + 'X'], | |
markCoordParams.xMarkMap[seriesIndex][mpData.type + 'Y'], | |
markCoordParams.xMarkMap[seriesIndex][mpData.type + 'Line'], | |
markCoordParams.xMarkMap[seriesIndex][mpData.type] | |
]; | |
} | |
return [ | |
typeof mpData.xAxis != 'string' | |
&& xAxis.getCoordByIndex | |
? xAxis.getCoordByIndex(mpData.xAxis || 0) | |
: xAxis.getCoord(mpData.xAxis || 0), | |
typeof mpData.yAxis != 'string' | |
&& yAxis.getCoordByIndex | |
? yAxis.getCoordByIndex(mpData.yAxis || 0) | |
: yAxis.getCoord(mpData.yAxis || 0) | |
]; | |
} | |
/** | |
* 构造函数默认执行的初始化方法,也用于创建实例后动态修改 | |
* @param {Object} newSeries | |
* @param {Object} newComponent | |
*/ | |
function init(newOption, newComponent) { | |
component = newComponent; | |
refresh(newOption); | |
} | |
/** | |
* 刷新 | |
*/ | |
function refresh(newOption) { | |
if (newOption) { | |
option = newOption; | |
series = option.series; | |
} | |
self.clear(); | |
_buildShape(); | |
} | |
function ontooltipHover(param, tipShape) { | |
var seriesIndex = param.seriesIndex; | |
var dataIndex = param.dataIndex; | |
var seriesPL; | |
var singlePL; | |
var len = seriesIndex.length; | |
while (len--) { | |
seriesPL = finalPLMap[seriesIndex[len]]; | |
if (seriesPL) { | |
for (var i = 0, l = seriesPL.length; i < l; i++) { | |
singlePL = seriesPL[i]; | |
for (var j = 0, k = singlePL.length; j < k; j++) { | |
if (dataIndex == singlePL[j][2]) { | |
tipShape.push(_getSymbol( | |
seriesIndex[len], // seriesIndex | |
singlePL[j][2], // dataIndex | |
singlePL[j][3], // name | |
singlePL[j][0], // x | |
singlePL[j][1], // y | |
'horizontal' | |
)); | |
} | |
} | |
} | |
} | |
} | |
} | |
/** | |
* 动态数据增加动画 | |
*/ | |
function addDataAnimation(params) { | |
var aniMap = {}; // seriesIndex索引参数 | |
for (var i = 0, l = params.length; i < l; i++) { | |
aniMap[params[i][0]] = params[i]; | |
} | |
var x; | |
var dx; | |
var y; | |
var dy; | |
var seriesIndex; | |
var pointList; | |
var isHorizontal; // 是否横向布局, isHorizontal; | |
for (var i = self.shapeList.length - 1; i >= 0; i--) { | |
seriesIndex = self.shapeList[i]._seriesIndex; | |
if (aniMap[seriesIndex] && !aniMap[seriesIndex][3]) { | |
// 有数据删除才有移动的动画 | |
if (self.shapeList[i]._main) { | |
pointList = self.shapeList[i].style.pointList; | |
// 主线动画 | |
dx = Math.abs(pointList[0][0] - pointList[1][0]); | |
dy = Math.abs(pointList[0][1] - pointList[1][1]); | |
isHorizontal = | |
self.shapeList[i]._orient == 'horizontal'; | |
if (aniMap[seriesIndex][2]) { | |
// 队头加入删除末尾 | |
if (self.shapeList[i].shape == 'polygon') { | |
//区域图 | |
var len = pointList.length; | |
self.shapeList[i].style.pointList[len - 3] | |
= pointList[len - 2]; | |
isHorizontal | |
? (self.shapeList[i].style.pointList[len - 3][0] | |
= pointList[len - 4][0] | |
) | |
: (self.shapeList[i].style.pointList[len - 3][1] | |
= pointList[len - 4][1] | |
); | |
self.shapeList[i].style.pointList[len - 2] | |
= pointList[len - 1]; | |
} | |
self.shapeList[i].style.pointList.pop(); | |
isHorizontal ? (x = dx, y = 0) : (x = 0, y = -dy); | |
} | |
else { | |
// 队尾加入删除头部 | |
self.shapeList[i].style.pointList.shift(); | |
if (self.shapeList[i].shape == 'polygon') { | |
//区域图 | |
var targetPoint = | |
self.shapeList[i].style.pointList.pop(); | |
isHorizontal | |
? (targetPoint[0] = pointList[0][0]) | |
: (targetPoint[1] = pointList[0][1]); | |
self.shapeList[i].style.pointList.push( | |
targetPoint | |
); | |
} | |
isHorizontal ? (x = -dx, y = 0) : (x = 0, y = dy); | |
} | |
zr.modShape( | |
self.shapeList[i].id, | |
{ | |
style : { | |
pointList: self.shapeList[i].style.pointList | |
} | |
}, | |
true | |
); | |
} | |
else { | |
// 拐点动画 | |
if (aniMap[seriesIndex][2] | |
&& self.shapeList[i]._dataIndex | |
== series[seriesIndex].data.length - 1 | |
) { | |
// 队头加入删除末尾 | |
zr.delShape(self.shapeList[i].id); | |
continue; | |
} | |
else if (!aniMap[seriesIndex][2] | |
&& self.shapeList[i]._dataIndex === 0 | |
) { | |
// 队尾加入删除头部 | |
zr.delShape(self.shapeList[i].id); | |
continue; | |
} | |
} | |
zr.animate(self.shapeList[i].id, '') | |
.when( | |
500, | |
{position : [x, y]} | |
) | |
.start(); | |
} | |
} | |
} | |
/** | |
* 动画设定 | |
*/ | |
function animation() { | |
var duration = self.query(option, 'animationDuration'); | |
var easing = self.query(option, 'animationEasing'); | |
var x; | |
var y; | |
var serie; | |
var dataIndex = 0; | |
for (var i = 0, l = self.shapeList.length; i < l; i++) { | |
if (self.shapeList[i]._main) { | |
serie = series[self.shapeList[i]._seriesIndex]; | |
dataIndex += 1; | |
x = self.shapeList[i].style.pointList[0][0]; | |
y = self.shapeList[i].style.pointList[0][1]; | |
if (self.shapeList[i]._orient == 'horizontal') { | |
zr.modShape( | |
self.shapeList[i].id, | |
{ | |
scale : [0, 1, x, y] | |
}, | |
true | |
); | |
} | |
else { | |
zr.modShape( | |
self.shapeList[i].id, | |
{ | |
scale : [1, 0, x, y] | |
}, | |
true | |
); | |
} | |
zr.animate(self.shapeList[i].id, '') | |
.when( | |
(self.query(serie,'animationDuration') | |
|| duration) | |
+ dataIndex * 100, | |
{scale : [1, 1, x, y]} | |
) | |
.start( | |
self.query(serie, 'animationEasing') || easing | |
); | |
} | |
} | |
self.animationMark(duration, easing); | |
} | |
// 重载基类方法 | |
self.getMarkCoord = getMarkCoord; | |
self.animation = animation; | |
self.init = init; | |
self.refresh = refresh; | |
self.ontooltipHover = ontooltipHover; | |
self.addDataAnimation = addDataAnimation; | |
init(option, component); | |
} | |
function legendLineIcon(ctx, style) { | |
var x = style.x; | |
var y = style.y; | |
var width = style.width; | |
var height = style.height; | |
var dy = height / 2; | |
if (style.symbol.match('empty')) { | |
ctx.fillStyle = '#fff'; | |
} | |
style.brushType = 'both'; | |
var symbol = style.symbol.replace('empty', '').toLowerCase(); | |
if (symbol.match('star')) { | |
dy = (symbol.replace('star','') - 0) || 5; | |
y -= 1; | |
symbol = 'star'; | |
} | |
else if (symbol == 'rectangle' || symbol == 'arrow') { | |
x += (width - height) / 2; | |
width = height; | |
} | |
var imageLocation = ''; | |
if (symbol.match('image')) { | |
imageLocation = symbol.replace( | |
new RegExp('^image:\\/\\/'), '' | |
); | |
symbol = 'image'; | |
x += Math.round((width - height) / 2) - 1; | |
width = height = height + 2; | |
} | |
symbol = require('zrender/shape').get('icon').get(symbol); | |
if (symbol) { | |
var x2 = style.x; | |
var y2 = style.y; | |
ctx.moveTo(x2, y2 + dy); | |
ctx.lineTo(x2 + 5, y2 + dy); | |
ctx.moveTo(x2 + style.width - 5, y2 + dy); | |
ctx.lineTo(x2 + style.width, y2 + dy); | |
symbol(ctx, { | |
x : x + 4, | |
y : y + 4, | |
width : width - 8, | |
height : height - 8, | |
n : dy, | |
image : imageLocation | |
}); | |
} | |
else { | |
ctx.moveTo(x, y + dy); | |
ctx.lineTo(x + width, y + dy); | |
} | |
} | |
// 动态扩展zrender shape:halfSmoothPolygon | |
require('../util/shape/halfSmoothPolygon'); | |
// 图表注册 | |
require('../chart').define('line', Line); | |
return Line; | |
}); |