1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 | 1× 1× 1× 6× 6× 6× 6× 6× 6× 6× 6× 6× 19× 6× 6× 6× 12× 12× 12× 12× 6× 6× 5× 5× 10× 5× 4× 6× 5× 5× 6× 6× 5× 6× 1× | /** * @fileOverview Chart component containing all of the generic components required for charts * * @author Brian Greig * * @requires NPM:d3:Vue */ /* eslint-env browser */ import barChart from './import/barChart'; import vBarChart from './import/vBarChart'; import lineGraph from './import/lineGraph'; import scatterPlot from './import/scatterPlot'; import pieChart from './import/pieChart'; import areaChart from './import/areaChart'; const d3 = Object.assign({}, require('d3-selection')); /** * Chart is the generic component used for any chart type * @namespace */ const Chart = { install(Vue) { Vue.component('v-chart', { props: ['chartData'], data() { return { selector: `${this.chartData.selector}-${this.chartData.chartType}`, }; }, methods: { /** * Generate a new Chart of type chartType * @memberOf Chart */ initalizeChart() { const cs = this[this.chartData.chartType]('init'); this.drawTitle(); this.generateLegend(cs); }, /** * Redraw the Chart when the data is recycled * @memberOf Chart */ refreshChart() { this.clearAxis(); this[this.chartData.chartType]('refresh'); }, /** * Remove x and y axes * @memberOf Chart */ clearAxis() { d3.select(`#${this.chartData.selector}`).selectAll('.axis').remove(); }, /** * Remove all content from the SVG * @memberOf Chart */ clearCanvas() { d3.select(`#${this.chartData.selector}`).selectAll('*').remove(); }, /** * Appends title and subtitle to the chart * @memberOf Chart */ drawTitle() { d3.select(`#${this.chartData.selector}`) .append('text') .attr('x', this.width / 2) .attr('y', this.titleHeight - this.titleHeight * 0.1) .style('text-anchor', 'middle') .text(this.chartData.title); d3.select(`#${this.chartData.selector}`) .append('text') .attr('x', this.width / 2) .attr('y', this.titleHeight - this.titleHeight * 0.1 + this.subtitleHeight) .style('text-anchor', 'middle') .text(this.chartData.subtitle); }, /** * Adds a tooltip to the SVG * @memberOf Chart * @param {Object} d dataset * @param {Object} e event x and y coordinates */ addTooltip(d, e) { d3.select(`#${this.chartData.selector}`) .append('rect') .attr('x', e.layerX - 5 - 50) .attr('y', e.layerY - 13 - 25) .attr('height', '16px') .attr('width', '80px') .attr('class', 'tt') .attr('fill', 'white'); d3.select(`#${this.chartData.selector}`) .append('text') .attr('x', e.layerX - 50) .attr('y', e.layerY - 25) .attr('class', 'tt') .attr('font-size', '10px') .text(`${d.dim}:${d.metric}`); }, /** * Removes all tooltips from the SVG * @memberOf Chart * @param {Object} d dataset */ removeTooltip() { d3.select(`#${this.chartData.selector}`) .selectAll('.tt').remove(); }, /** * Override default values * @param {Object} cs configuration of the coordinate systems * @param {Object} overrides the additional values that can be used for an object * @returns {Object} updated configuration of coordinate system */ setOverrides(cs, overrides) { overrides = overrides || {}; const keys = Object.keys(cs); for (const key of keys) Object.assign(cs[key], overrides[key]); return cs; }, /** * Generate legend if option -legends- defined as true * @memberOf Chart * @param {Object} cs configuration of the coordinate system */ generateLegend(cs) { Iif (this.chartData.legends && this.chartData.legends.enabled === true) { d3.select(`#${this.chartData.selector}`) .append('text') .attr('x', this.width - 60) .attr('y', this.height * 0.95) .style('text-anchor', 'middle') .text(this.chartData.metric); d3.select(`#${this.chartData.selector}`) .append("g") .attr("class", "legends") .append("rect") .attr('x', this.width - 30) .attr('y', this.height * 0.95 - 10) .attr("width", 30) .attr("height", 10) .style("fill", function () { const fill = cs.palette.lineFill || cs.palette.fill; return fill; }); } }, ...((typeof barChart !== 'undefined') && { barChart }), ...((typeof vBarChart !== 'undefined') && { vBarChart }), ...((typeof scatterPlot !== 'undefined') && { scatterPlot }), ...((typeof pieChart !== 'undefined') && { pieChart }), ...((typeof areaChart !== 'undefined') && { areaChart }), ...((typeof lineGraph !== 'undefined') && { lineGraph }), }, computed: { /** * Dataset getter function * @memberOf Chart * @returns {Object} normalized dataset */ ds() { return this.chartData.data.map((d) => { const td = {}; td.metric = this.chartData.metric ? d[this.chartData.metric] : d; td.dim = this.chartData.dim ? d[this.chartData.dim] : null; return td; }); }, /** * Height getter function * @memberOf Chart * @returns {number} Chart Height */ height() { return this.chartData.height || 200; }, /** * Width getter function * @memberOf Chart * @returns {number} Chart width */ width() { return this.chartData.width || 200; }, /** * Get the maxium value for metric * @memberOf Chart * @returns {number} Max value for metric */ max() { let max = 0; this.ds.forEach((e) => { max = max > e.metric ? max : e.metric; }); return max; }, /** * Get the minimum value for dataset * @memberOf Chart * @returns {number} Min value for metric */ min() { return Math.min(...this.ds.map(o => o.metric)); }, /** * Gets the height of the title * @memberOf Chart * @returns {number} Height of the chart title */ titleHeight() { Eif (this.chartData.title) return this.chartData.textHeight || 25; return 0; }, /** * Gets the height of the dispaly area * @memberOf Chart * @returns {number} Height of the chart display */ displayHeight() { Iif (this.chartData.legends && this.chartData.legends.enabled === true) { return this.height * .80; } else { return this.height; } }, /** * Gets the subtitle height * @memberOf Chart * @returns {number} Height of chart subtitle */ subtitleHeight() { Iif (this.chartData.subtitle) return this.chartData.textHeight * 0.66 || 25 * 0.66; return 0; }, /** * Gets the combined height of the title and subtitle * @memberOf Chart * @returns {number} Total header height */ header() { return (this.titleHeight + this.subtitleHeight); }, }, mounted() { this.initalizeChart(); }, watch: { chartData: { handler() { this.refreshChart(); }, deep: true, }, }, template: '<svg :id=\'this.chartData.selector\' x=\'5\' y=\'5\' :height=\'this.height + 20\' :width=\'this.width + 20\'> </svg>', }); }, }; export default Chart; Iif (typeof window !== 'undefined' && window.Vue) { window.Vue.use(Chart); } |