/*
* charts for WeChat small app v1.0
*
* https://github.com/xiaolin3303/wx-charts
* 2016-11-28
*
* Designed and built with all the love of Web
*/
'use strict';
var config = {
yAxisWidth: 15,
yAxisSplit: 5,
xAxisHeight: 15,
xAxisLineHeight: 15,
legendHeight: 15,
yAxisTitleWidth: 15,
padding: 12,
columePadding: 3,
fontSize: 10,
dataPointShape: ['diamond', 'circle', 'triangle', 'rect'],
colors: ['#7cb5ec', '#f7a35c', '#434348', '#90ed7d', '#f15c80', '#8085e9'],
pieChartLinePadding: 25,
pieChartTextPadding: 15,
xAxisTextPadding: 3,
titleColor: '#333333',
titleFontSize: 20,
subtitleColor: '#999999',
subtitleFontSize: 15,
toolTipPadding: 3,
toolTipBackground: '#000000',
toolTipOpacity: 0.7,
toolTipLineHeight: 14,
radarGridCount: 3,
radarLabelTextMargin: 15
};
// Object.assign polyfill
// https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
function assign(target, varArgs) {
if (target == null) {
// TypeError if undefined or null
throw new TypeError('Cannot convert undefined or null to object');
}
var to = Object(target);
for (var index = 1; index < arguments.length; index++) {
var nextSource = arguments[index];
if (nextSource != null) {
// Skip over if undefined or null
for (var nextKey in nextSource) {
// Avoid bugs when hasOwnProperty is shadowed
if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
to[nextKey] = nextSource[nextKey];
}
}
}
}
return to;
}
var util = {
toFixed: function toFixed(num, limit) {
limit = limit || 2;
if (this.isFloat(num)) {
num = num.toFixed(limit);
}
return num;
},
isFloat: function isFloat(num) {
return num % 1 !== 0;
},
approximatelyEqual: function approximatelyEqual(num1, num2) {
return Math.abs(num1 - num2) < 1e-10;
},
isSameSign: function isSameSign(num1, num2) {
return Math.abs(num1) === num1 && Math.abs(num2) === num2 || Math.abs(num1) !== num1 && Math.abs(num2) !== num2;
},
isSameXCoordinateArea: function isSameXCoordinateArea(p1, p2) {
return this.isSameSign(p1.x, p2.x);
},
isCollision: function isCollision(obj1, obj2) {
obj1.end = {};
obj1.end.x = obj1.start.x + obj1.width;
obj1.end.y = obj1.start.y - obj1.height;
obj2.end = {};
obj2.end.x = obj2.start.x + obj2.width;
obj2.end.y = obj2.start.y - obj2.height;
var flag = obj2.start.x > obj1.end.x || obj2.end.x < obj1.start.x || obj2.end.y > obj1.start.y || obj2.start.y < obj1.end.y;
return !flag;
}
};
function findRange(num, type, limit) {
if (isNaN(num)) {
throw new Error('[wxCharts] unvalid series data!');
}
limit = limit || 10;
type = type ? type : 'upper';
var multiple = 1;
while (limit < 1) {
limit *= 10;
multiple *= 10;
}
if (type === 'upper') {
num = Math.ceil(num * multiple);
} else {
num = Math.floor(num * multiple);
}
while (num % limit !== 0) {
if (type === 'upper') {
num++;
} else {
num--;
}
}
return num / multiple;
}
function calRotateTranslate(x, y, h) {
var xv = x;
var yv = h - y;
var transX = xv + (h - yv - xv) / Math.sqrt(2);
transX *= -1;
var transY = (h - yv) * (Math.sqrt(2) - 1) - (h - yv - xv) / Math.sqrt(2);
return {
transX: transX,
transY: transY
};
}
function createCurveControlPoints(points, i) {
var a = 0.2;
var b = 0.2;
var pAx = null;
var pAy = null;
var pBx = null;
var pBy = null;
if (i < 1) {
pAx = points[0].x + (points[1].x - points[0].x) * a;
pAy = points[0].y + (points[1].y - points[0].y) * a;
} else {
pAx = points[i].x + (points[i + 1].x - points[i - 1].x) * a;
pAy = points[i].y + (points[i + 1].y - points[i - 1].y) * a;
}
if (i > points.length - 3) {
var last = points.length - 1;
pBx = points[last].x - (points[last].x - points[last - 1].x) * b;
pBy = points[last].y - (points[last].y - points[last - 1].y) * b;
} else {
pBx = points[i + 1].x - (points[i + 2].x - points[i].x) * b;
pBy = points[i + 1].y - (points[i + 2].y - points[i].y) * b;
}
return {
ctrA: { x: pAx, y: pAy },
ctrB: { x: pBx, y: pBy }
};
}
function convertCoordinateOrigin(x, y, center) {
return {
x: center.x + x,
y: center.y - y
};
}
function avoidCollision(obj, target) {
if (target) {
// is collision test
while (util.isCollision(obj, target)) {
if (obj.start.x > 0) {
obj.start.y--;
} else if (obj.start.x < 0) {
obj.start.y++;
} else {
if (obj.start.y > 0) {
obj.start.y++;
} else {
obj.start.y--;
}
}
}
}
return obj;
}
function fillSeriesColor(series, config) {
var index = 0;
return series.map(function (item) {
if (!item.color) {
item.color = config.colors[index];
index = (index + 1) % config.colors.length;
}
return item;
});
}
function getDataRange(minData, maxData) {
var limit = 0;
var range = maxData - minData;
if (range >= 10000) {
limit = 1000;
} else if (range >= 1000) {
limit = 100;
} else if (range >= 100) {
limit = 10;
} else if (range >= 10) {
limit = 5;
} else if (range >= 1) {
limit = 1;
} else if (range >= 0.1) {
limit = 0.1;
} else {
limit = 0.01;
}
return {
minRange: findRange(minData, 'lower', limit),
maxRange: findRange(maxData, 'upper', limit)
};
}
function measureText(text) {
var fontSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 10;
// wx canvas 未实现measureText方法, 此处自行实现
text = String(text);
var text = text.split('');
var width = 0;
text.forEach(function (item) {
if (/[a-zA-Z]/.test(item)) {
width += 7;
} else if (/[0-9]/.test(item)) {
width += 5.5;
} else if (/\./.test(item)) {
width += 2.7;
} else if (/-/.test(item)) {
width += 3.25;
} else if (/[\u4e00-\u9fa5]/.test(item)) {
width += 10;
} else if (/\(|\)/.test(item)) {
width += 3.73;
} else if (/\s/.test(item)) {
width += 2.5;
} else if (/%/.test(item)) {
width += 8;
} else {
width += 10;
}
});
return width * fontSize / 10;
}
function dataCombine(series) {
return series.reduce(function (a, b) {
return (a.data ? a.data : a).concat(b.data);
}, []);
}
function getSeriesDataItem(series, index) {
var data = [];
series.forEach(function (item) {
if (item.data[index] !== null && typeof item.data[index] !== 'undefinded') {
var seriesItem = {};
seriesItem.color = item.color;
seriesItem.name = item.name;
seriesItem.data = item.format ? item.format(item.data[index]) : item.data[index];
data.push(seriesItem);
}
});
return data;
}
function getMaxTextListLength(list) {
var lengthList = list.map(function (item) {
return measureText(item);
});
return Math.max.apply(null, lengthList);
}
function getRadarCoordinateSeries(length) {
var eachAngle = 2 * Math.PI / length;
var CoordinateSeries = [];
for (var i = 0; i < length; i++) {
CoordinateSeries.push(eachAngle
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index.js 3KB
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settings.json 42B
settings.js 5KB
settings.wxml 1KB
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sublist.json 2B
sublist.wxml 1KB
sublist.wxss 0B
sublist.js 4KB
index
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index.wxml 1KB
index.js 3KB
statistics
statistics.wxss 0B
statistics.json 48B
statistics.js 4KB
statistics.wxml 941B
detail
detail.wxml 4KB
detail.json 48B
detail.js 6KB
detail.wxss 38B
utils
wxcharts.js 64KB
util.js 1KB
app.js 794B
app.json 537B
app.wxss 6KB
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