[export] export to svg working

dist/frappe-charts.esm.js

@@ -1276,6 +1276,8 @@ function runSMILAnimation(parent, svgElement, elementsToAnimate) {
 	}, REPLACE_ALL_NEW_DUR);
 }
 
+const CSSTEXT = ".chart-container{position:relative;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Roboto','Oxygen','Ubuntu','Cantarell','Fira Sans','Droid Sans','Helvetica Neue',sans-serif}.chart-container .axis,.chart-container .chart-label{fill:#555b51}.chart-container .axis line,.chart-container .chart-label line{stroke:#dadada}.chart-container .dataset-units circle{stroke:#fff;stroke-width:2}.chart-container .dataset-units path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container .dataset-path{stroke-width:2px}.chart-container .path-group path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container line.dashed{stroke-dasharray:5,3}.chart-container .axis-line .specific-value{text-anchor:start}.chart-container .axis-line .y-line{text-anchor:end}.chart-container .axis-line .x-line{text-anchor:middle}.graph-svg-tip{position:absolute;z-index:99999;padding:10px;font-size:12px;color:#959da5;text-align:center;background:rgba(0,0,0,.8);border-radius:3px}.graph-svg-tip ul{padding-left:0;display:flex}.graph-svg-tip ol{padding-left:0;display:flex}.graph-svg-tip ul.data-point-list li{min-width:90px;flex:1;font-weight:600}.graph-svg-tip strong{color:#dfe2e5;font-weight:600}.graph-svg-tip .svg-pointer{position:absolute;height:5px;margin:0 0 0 -5px;content:' ';border:5px solid transparent;border-top-color:rgba(0,0,0,.8)}.graph-svg-tip.comparison{padding:0;text-align:left;pointer-events:none}.graph-svg-tip.comparison .title{display:block;padding:10px;margin:0;font-weight:600;line-height:1;pointer-events:none}.graph-svg-tip.comparison ul{margin:0;white-space:nowrap;list-style:none}.graph-svg-tip.comparison li{display:inline-block;padding:5px 10px}";
+
 class BaseChart {
 	constructor(parent, options) {
 
@@ -1599,6 +1601,42 @@ class BaseChart {
 		window.removeEventListener('resize', () => this.draw(true));
 		window.removeEventListener('orientationchange', () => this.draw(true));
 	}
+
+	export() {
+		let chartSvg = this.prepareForExport();
+		this.downloadFile(this.title || 'Chart', [chartSvg]);
+	}
+
+	downloadFile(filename, data) {
+		var a = document.createElement('a');
+		a.style = "display: none";
+		var blob = new Blob(data, {type: "image/svg+xml; charset=utf-8"});
+		var url = window.URL.createObjectURL(blob);
+		a.href = url;
+		a.download = filename;
+		document.body.appendChild(a);
+		a.click();
+		setTimeout(function(){
+			document.body.removeChild(a);
+			window.URL.revokeObjectURL(url);
+		}, 300);
+	}
+
+	prepareForExport() {
+		let clone = this.svg.cloneNode(true);
+		clone.classList.add('chart-container');
+		clone.setAttribute('xmlns', "http://www.w3.org/2000/svg");
+		clone.setAttribute('xmlns:xlink', "http://www.w3.org/1999/xlink");
+		let styleEl = $.create('style', {
+			'innerHTML': CSSTEXT
+		});
+		clone.insertBefore(styleEl, clone.firstChild);
+
+		let container = $.create('div');
+		container.appendChild(clone);
+
+		return container.innerHTML;
+	}
 }
 
 class AggregationChart extends BaseChart {
@@ -3594,6 +3632,8 @@ class AxisChart extends BaseChart {
 }
 
 const chartTypes = {
+	bar: AxisChart,
+	line: AxisChart,
 	// multiaxis: MultiAxisChart,
 	percentage: PercentageChart,
 	heatmap: Heatmap,
@@ -3601,13 +3641,7 @@ const chartTypes = {
 };
 
 function getChartByType(chartType = 'line', parent, options) {
-	if(chartType === 'line') {
-		options.type = 'line';
-		return new AxisChart(parent, options);
-	} else if (chartType === 'bar') {
-		options.type = 'bar';
-		return new AxisChart(parent, options);
-	} else if (chartType === 'axis-mixed') {
+	if (chartType === 'axis-mixed') {
 		options.type = 'line';
 		return new AxisChart(parent, options);
 	}

dist/frappe-charts.min.css

@@ -1 +1 @@
-.chart-container{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;position:relative}.chart-container .axis,.chart-container .chart-label{fill:#555b51}.chart-container .axis line,.chart-container .chart-label line{stroke:#dadada}.chart-container .dataset-units circle{stroke:#fff;stroke-width:2}.chart-container .dataset-units path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container .dataset-path{stroke-width:2px}.chart-container .path-group path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container line.dashed{stroke-dasharray:5,3}.chart-container .axis-line .specific-value{text-anchor:start}.chart-container .axis-line .y-line{text-anchor:end}.chart-container .axis-line .x-line{text-anchor:middle}.graph-svg-tip{position:absolute;z-index:1;padding:10px;font-size:12px;color:#959da5;text-align:center;background:rgba(0,0,0,.8);border-radius:3px}.graph-svg-tip ol,.graph-svg-tip ul{padding-left:0;display:-webkit-box;display:-ms-flexbox;display:flex}.graph-svg-tip ul.data-point-list li{min-width:90px;-webkit-box-flex:1;-ms-flex:1;flex:1;font-weight:600}.graph-svg-tip strong{color:#dfe2e5;font-weight:600}.graph-svg-tip .svg-pointer{position:absolute;height:5px;margin:0 0 0 -5px;content:" ";border:5px solid transparent;border-top-color:rgba(0,0,0,.8)}.graph-svg-tip.comparison{padding:0;text-align:left;pointer-events:none}.graph-svg-tip.comparison .title{display:block;padding:10px;margin:0;font-weight:600;line-height:1;pointer-events:none}.graph-svg-tip.comparison ul{margin:0;white-space:nowrap;list-style:none}.graph-svg-tip.comparison li{display:inline-block;padding:5px 10px}
+.chart-container{position:relative;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.chart-container .axis,.chart-container .chart-label{fill:#555b51}.chart-container .axis line,.chart-container .chart-label line{stroke:#dadada}.chart-container .dataset-units circle{stroke:#fff;stroke-width:2}.chart-container .dataset-units path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container .dataset-path{stroke-width:2px}.chart-container .path-group path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container line.dashed{stroke-dasharray:5,3}.chart-container .axis-line .specific-value{text-anchor:start}.chart-container .axis-line .y-line{text-anchor:end}.chart-container .axis-line .x-line{text-anchor:middle}.graph-svg-tip{position:absolute;z-index:1;padding:10px;font-size:12px;color:#959da5;text-align:center;background:rgba(0,0,0,.8);border-radius:3px}.graph-svg-tip ol,.graph-svg-tip ul{padding-left:0;display:-webkit-box;display:-ms-flexbox;display:flex}.graph-svg-tip ul.data-point-list li{min-width:90px;-webkit-box-flex:1;-ms-flex:1;flex:1;font-weight:600}.graph-svg-tip strong{color:#dfe2e5;font-weight:600}.graph-svg-tip .svg-pointer{position:absolute;height:5px;margin:0 0 0 -5px;content:" ";border:5px solid transparent;border-top-color:rgba(0,0,0,.8)}.graph-svg-tip.comparison{padding:0;text-align:left;pointer-events:none}.graph-svg-tip.comparison .title{display:block;padding:10px;margin:0;font-weight:600;line-height:1;pointer-events:none}.graph-svg-tip.comparison ul{margin:0;white-space:nowrap;list-style:none}.graph-svg-tip.comparison li{display:inline-block;padding:5px 10px}

docs/assets/js/index.js

@@ -88,6 +88,8 @@ Array.prototype.slice.call(
 	});
 });
 
+aggrChart.export();
+
 // Update values chart
 // ================================================================================
 let updateDataAllLabels = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon", "Tue",
@@ -105,7 +107,7 @@ let getUpdateData = (source_array, length=10) => {
 	return indices.map((index) => source_array[index]);
 };
 
-let update_data = {
+let updateData = {
 	labels: getUpdateData(updateDataAllLabels),
 	datasets: [{
 		"values": getUpdateData(updateDataAllValues)
@@ -126,8 +128,8 @@ let update_data = {
 	],
 };
 
-let update_chart = new Chart("#chart-update", {
-	data: update_data,
+let updateChart = new Chart("#chart-update", {
+	data: updateData,
 	type: 'line',
 	height: 250,
 	colors: ['#ff6c03'],
@@ -137,9 +139,9 @@ let update_chart = new Chart("#chart-update", {
 	},
 });
 
-let chart_update_buttons = document.querySelector('.chart-update-buttons');
+let chartUpdateButtons = document.querySelector('.chart-update-buttons');
 
-chart_update_buttons.querySelector('[data-update="random"]').addEventListener("click", () => {
+chartUpdateButtons.querySelector('[data-update="random"]').addEventListener("click", () => {
 	shuffle(updateDataAllIndices);
 	let value = getRandom();
 	let start = getRandom();
@@ -162,19 +164,19 @@ chart_update_buttons.querySelector('[data-update="random"]').addEventListener("c
 			},
 		],
 	};
-	update_chart.update(data);
+	updateChart.update(data);
 });
 
-chart_update_buttons.querySelector('[data-update="add"]').addEventListener("click", () => {
-	let index = update_chart.state.datasetLength; // last index to add
+chartUpdateButtons.querySelector('[data-update="add"]').addEventListener("click", () => {
+	let index = updateChart.state.datasetLength; // last index to add
 	if(index >= updateDataAllIndices.length) return;
-	update_chart.addDataPoint(
+	updateChart.addDataPoint(
 		updateDataAllLabels[index], [updateDataAllValues[index]]
 	);
 });
 
-chart_update_buttons.querySelector('[data-update="remove"]').addEventListener("click", () => {
-	update_chart.removeDataPoint();
+chartUpdateButtons.querySelector('[data-update="remove"]').addEventListener("click", () => {
+	updateChart.removeDataPoint();
 });
 
 // Trends Chart

docs/assets/js/index.min.js

@@ -49,12 +49,6 @@ var HEATMAP_COLORS_YELLOW = ['#ebedf0', '#fdf436', '#ffc700', '#ff9100', '#06001
 
 // Universal constants
 
-/**
- * Returns the value of a number upto 2 decimal places.
- * @param {Number} d Any number
- */
-
-
 /**
  * Returns whether or not two given arrays are equal.
  * @param {Array} arr1 First array
@@ -124,6 +118,7 @@ var MONTH_NAMES_SHORT = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
 
 
 
+// https://stackoverflow.com/a/11252167/6495043
 
 
 function clone(date) {
@@ -164,8 +159,6 @@ function addDays(date, numberOfDays) {
 	date.setDate(date.getDate() + numberOfDays);
 }
 
-// Composite Chart
-// ================================================================================
 var reportCountList = [152, 222, 199, 287, 534, 709, 1179, 1256, 1632, 1856, 1850];
 
 var lineCompositeData = {
@@ -385,6 +378,8 @@ Array.prototype.slice.call(document.querySelectorAll('.aggr-type-buttons button'
 	});
 });
 
+aggrChart.export();
+
 // Update values chart
 // ================================================================================
 var updateDataAllLabels = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Mon"];
@@ -408,7 +403,7 @@ var getUpdateData = function getUpdateData(source_array) {
 	});
 };
 
-var update_data = {
+var updateData = {
 	labels: getUpdateData(updateDataAllLabels),
 	datasets: [{
 		"values": getUpdateData(updateDataAllValues)
@@ -425,8 +420,8 @@ var update_data = {
 	}]
 };
 
-var update_chart = new Chart("#chart-update", {
-	data: update_data,
+var updateChart = new Chart("#chart-update", {
+	data: updateData,
 	type: 'line',
 	height: 250,
 	colors: ['#ff6c03'],
@@ -436,9 +431,9 @@ var update_chart = new Chart("#chart-update", {
 	}
 });
 
-var chart_update_buttons = document.querySelector('.chart-update-buttons');
+var chartUpdateButtons = document.querySelector('.chart-update-buttons');
 
-chart_update_buttons.querySelector('[data-update="random"]').addEventListener("click", function () {
+chartUpdateButtons.querySelector('[data-update="random"]').addEventListener("click", function () {
 	shuffle(updateDataAllIndices);
 	var value = getRandom();
 	var start = getRandom();
@@ -457,17 +452,17 @@ chart_update_buttons.querySelector('[data-update="random"]').addEventListener("c
 			end: end
 		}]
 	};
-	update_chart.update(data);
+	updateChart.update(data);
 });
 
-chart_update_buttons.querySelector('[data-update="add"]').addEventListener("click", function () {
-	var index = update_chart.state.datasetLength; // last index to add
+chartUpdateButtons.querySelector('[data-update="add"]').addEventListener("click", function () {
+	var index = updateChart.state.datasetLength; // last index to add
 	if (index >= updateDataAllIndices.length) return;
-	update_chart.addDataPoint(updateDataAllLabels[index], [updateDataAllValues[index]]);
+	updateChart.addDataPoint(updateDataAllLabels[index], [updateDataAllValues[index]]);
 });
 
-chart_update_buttons.querySelector('[data-update="remove"]').addEventListener("click", function () {
-	update_chart.removeDataPoint();
+chartUpdateButtons.querySelector('[data-update="remove"]').addEventListener("click", function () {
+	updateChart.removeDataPoint();
 });
 
 // Trends Chart

docs/index.html

@@ -100,6 +100,7 @@
                 <button type="button" class="btn btn-sm btn-secondary" data-type='pie'>Pie Chart</button>
                 <button type="button" class="btn btn-sm btn-secondary" data-type='percentage'>Percentage Chart</button>
               </div>
+              <button type="button" class="btn btn-sm btn-tertiary" data-type='export'>Export</button>
               <!-- <p class="text-muted">
                 <a target="_blank" href="http://www.storytellingwithdata.com/blog/2011/07/death-to-pie-charts">Why Percentage?</a>
               </p> -->

package.json

@@ -33,16 +33,22 @@
   },
   "homepage": "https://github.com/frappe/charts#readme",
   "devDependencies": {
+    "autoprefixer": "^8.2.0",
     "babel-core": "^6.26.0",
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-latest": "^6.24.1",
+    "clean-css": "^4.1.11",
     "cssnano": "^3.10.0",
+    "eslint": "^4.18.2",
+    "fs": "0.0.1-security",
     "livereload": "^0.6.3",
     "node-sass": "^4.7.2",
     "npm-run-all": "^4.1.1",
+    "postcss": "^6.0.21",
     "postcss-cssnext": "^3.0.2",
     "postcss-nested": "^2.1.2",
+    "precss": "^3.1.2",
     "rollup": "^0.50.0",
     "rollup-plugin-babel": "^3.0.2",
     "rollup-plugin-eslint": "^4.0.0",
@@ -51,10 +57,7 @@
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-uglify": "^2.0.1",
     "rollup-plugin-uglify-es": "0.0.1",
-    "rollup-watch": "^4.3.1",
-    "eslint": "^4.18.2"
+    "rollup-watch": "^4.3.1"
   },
-  "dependencies": {
-    
-  }
+  "dependencies": {}
 }

rollup.config.js

@@ -1,17 +1,42 @@
+import pkg from './package.json';
+
 // Rollup plugins
 import babel from 'rollup-plugin-babel';
 import eslint from 'rollup-plugin-eslint';
 import replace from 'rollup-plugin-replace';
 import uglify from 'rollup-plugin-uglify-es';
 import sass from 'node-sass';
-import postcss from 'rollup-plugin-postcss';
 
 // PostCSS plugins
+import postcssPlugin from 'rollup-plugin-postcss';
 import nested from 'postcss-nested';
 import cssnext from 'postcss-cssnext';
 import cssnano from 'cssnano';
 
-import pkg from './package.json';
+import postcss from 'postcss';
+import precss from 'precss';
+import CleanCSS from 'clean-css';
+import autoprefixer from 'autoprefixer';
+import fs from 'fs';
+import { HEATMAP_LEFT_MARGIN } from './src/js/utils/constants';
+
+fs.readFile('src/css/charts.scss', (err, css) => {
+    postcss([precss, autoprefixer])
+        .process(css, { from: 'src/css/charts.scss', to: 'src/css/charts.css' })
+        .then(result => {
+			let options = {
+				level: {
+					1: {
+						removeQuotes: false,
+					}
+				}
+			}
+			let output = new CleanCSS(options).minify(result.css);
+			let res = JSON.stringify(output.styles).replace(/"/g, "'");
+			let js = `export const CSSTEXT = "${res.slice(1, -1)}";`;
+            fs.writeFile('src/css/chartsCss.js', js);
+        });
+});
 
 export default [
 	{
@@ -29,7 +54,7 @@ export default [
 		],
 		name: 'frappe',
 		plugins: [
-			postcss({
+			postcssPlugin({
 				preprocessor: (content, id) => new Promise((resolve, reject) => {
 					const result = sass.renderSync({ file: id })
 					resolve({ code: result.css.toString() })
@@ -43,7 +68,7 @@ export default [
 			}),
 			eslint({
 				exclude: [
-					'src/scss/**'
+					'src/css/**'
 				]
 			}),
 			babel({
@@ -67,7 +92,7 @@ export default [
 		],
 		name: 'frappe',
 		plugins: [
-			postcss({
+			postcssPlugin({
 				preprocessor: (content, id) => new Promise((resolve, reject) => {
 					const result = sass.renderSync({ file: id })
 					resolve({ code: result.css.toString() })
@@ -81,7 +106,7 @@ export default [
 			}),
 			eslint({
 				exclude: [
-					'src/scss/**'
+					'src/css/**'
 				]
 			}),
 			babel({
@@ -106,7 +131,7 @@ export default [
 			}
 		],
 		plugins: [
-			postcss({
+			postcssPlugin({
 				preprocessor: (content, id) => new Promise((resolve, reject) => {
 					const result = sass.renderSync({ file: id })
 					resolve({ code: result.css.toString() })
@@ -120,7 +145,7 @@ export default [
 			}),
 			eslint({
 				exclude: [
-					'src/scss/**',
+					'src/css/**',
 				]
 			}),
 			babel({
@@ -142,7 +167,7 @@ export default [
 			}
 		],
 		plugins: [
-			postcss({
+			postcssPlugin({
 				preprocessor: (content, id) => new Promise((resolve, reject) => {
 					const result = sass.renderSync({ file: id })
 					resolve({ code: result.css.toString() })
@@ -157,7 +182,7 @@ export default [
 			}),
 			eslint({
 				exclude: [
-					'src/scss/**',
+					'src/css/**',
 				]
 			}),
 			replace({

src/scss/charts.scss → src/css/charts.scss

@@ -1,10 +1,10 @@
 .chart-container {
-	// https://www.smashingmagazine.com/2015/11/using-system-ui-fonts-practical-guide/
-	font-family: -apple-system, BlinkMacSystemFont,
-		"Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell",
-		"Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
+	position: relative; /* for absolutely positioned tooltip */
 
-	position: relative;
+	/* https://www.smashingmagazine.com/2015/11/using-system-ui-fonts-practical-guide/ */
+	font-family: -apple-system, BlinkMacSystemFont,
+		'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell',
+		'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
 
 	.axis, .chart-label {
 		fill: #555b51;
@@ -36,13 +36,9 @@
 		}
 	}
 	line.dashed {
-		stroke-dasharray: 5,3;
+		stroke-dasharray: 5, 3;
 	}
 	.axis-line {
-		// &.x-axis-label {
-		// 	display: block;
-		// }
-		// TODO: hack dy attr to be settable via styles
 		.specific-value {
 			text-anchor: start;
 		}
@@ -87,7 +83,7 @@
 		position: absolute;
 		height: 5px;
 		margin: 0 0 0 -5px;
-		content: " ";
+		content: ' ';
 		border: 5px solid transparent;
 		border-top-color: rgba(0, 0, 0, 0.8);
 	}

src/css/chartsCss.js

@@ -0,0 +1 @@
+export const CSSTEXT = ".chart-container{position:relative;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Roboto','Oxygen','Ubuntu','Cantarell','Fira Sans','Droid Sans','Helvetica Neue',sans-serif}.chart-container .axis,.chart-container .chart-label{fill:#555b51}.chart-container .axis line,.chart-container .chart-label line{stroke:#dadada}.chart-container .dataset-units circle{stroke:#fff;stroke-width:2}.chart-container .dataset-units path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container .dataset-path{stroke-width:2px}.chart-container .path-group path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container line.dashed{stroke-dasharray:5,3}.chart-container .axis-line .specific-value{text-anchor:start}.chart-container .axis-line .y-line{text-anchor:end}.chart-container .axis-line .x-line{text-anchor:middle}.graph-svg-tip{position:absolute;z-index:99999;padding:10px;font-size:12px;color:#959da5;text-align:center;background:rgba(0,0,0,.8);border-radius:3px}.graph-svg-tip ul{padding-left:0;display:flex}.graph-svg-tip ol{padding-left:0;display:flex}.graph-svg-tip ul.data-point-list li{min-width:90px;flex:1;font-weight:600}.graph-svg-tip strong{color:#dfe2e5;font-weight:600}.graph-svg-tip .svg-pointer{position:absolute;height:5px;margin:0 0 0 -5px;content:' ';border:5px solid transparent;border-top-color:rgba(0,0,0,.8)}.graph-svg-tip.comparison{padding:0;text-align:left;pointer-events:none}.graph-svg-tip.comparison .title{display:block;padding:10px;margin:0;font-weight:600;line-height:1;pointer-events:none}.graph-svg-tip.comparison ul{margin:0;white-space:nowrap;list-style:none}.graph-svg-tip.comparison li{display:inline-block;padding:5px 10px}";

src/js/chart.js

@@ -1,4 +1,4 @@
-import '../scss/charts.scss';
+import '../css/charts.scss';
 
 // import MultiAxisChart from './charts/MultiAxisChart';
 import PercentageChart from './charts/PercentageChart';
@@ -7,6 +7,8 @@ import Heatmap from './charts/Heatmap';
 import AxisChart from './charts/AxisChart';
 
 const chartTypes = {
+	bar: AxisChart,
+	line: AxisChart,
 	// multiaxis: MultiAxisChart,
 	percentage: PercentageChart,
 	heatmap: Heatmap,
@@ -14,13 +16,7 @@ const chartTypes = {
 };
 
 function getChartByType(chartType = 'line', parent, options) {
-	if(chartType === 'line') {
-		options.type = 'line';
-		return new AxisChart(parent, options);
-	} else if (chartType === 'bar') {
-		options.type = 'bar';
-		return new AxisChart(parent, options);
-	} else if (chartType === 'axis-mixed') {
+	if (chartType === 'axis-mixed') {
 		options.type = 'line';
 		return new AxisChart(parent, options);
 	}

src/js/charts/BaseChart.js

@@ -7,6 +7,7 @@ import { BASE_CHART_TOP_MARGIN, BASE_CHART_LEFT_MARGIN,
 import { getColor, isValidColor } from '../utils/colors';
 import { runSMILAnimation } from '../utils/animation';
 import { Chart } from '../chart';
+import { CSSTEXT } from '../../css/chartsCss';
 
 export default class BaseChart {
 	constructor(parent, options) {
@@ -331,4 +332,40 @@ export default class BaseChart {
 		window.removeEventListener('resize', () => this.draw(true));
 		window.removeEventListener('orientationchange', () => this.draw(true));
 	}
+
+	export() {
+		let chartSvg = this.prepareForExport();
+		this.downloadFile(this.title || 'Chart', [chartSvg]);
+	}
+
+	downloadFile(filename, data) {
+		var a = document.createElement('a');
+		a.style = "display: none";
+		var blob = new Blob(data, {type: "image/svg+xml; charset=utf-8"});
+		var url = window.URL.createObjectURL(blob);
+		a.href = url;
+		a.download = filename;
+		document.body.appendChild(a);
+		a.click();
+		setTimeout(function(){
+			document.body.removeChild(a);
+			window.URL.revokeObjectURL(url);
+		}, 300);
+	}
+
+	prepareForExport() {
+		let clone = this.svg.cloneNode(true);
+		clone.classList.add('chart-container');
+		clone.setAttribute('xmlns', "http://www.w3.org/2000/svg");
+		clone.setAttribute('xmlns:xlink', "http://www.w3.org/1999/xlink");
+		let styleEl = $.create('style', {
+			'innerHTML': CSSTEXT
+		});
+		clone.insertBefore(styleEl, clone.firstChild);
+
+		let container = $.create('div');
+		container.appendChild(clone);
+
+		return container.innerHTML;
+	}
 }