info diagram to show version of mermaid, bugfixes for gantt chart

src/diagrams/info/infoRenderer.js

@@ -0,0 +1,57 @@
+/**
+ * Created by knut on 14-12-11.
+ */
+import * as d3 from 'd3'
+import db from './infoDb'
+import infoParser from './parser/info.js'
+import { logger } from '../../logger'
+
+const conf = {
+}
+export const setConf = function (cnf) {
+  const keys = Object.keys(cnf)
+
+  keys.forEach(function (key) {
+    conf[key] = cnf[key]
+  })
+}
+
+/**
+ * Draws a an info picture in the tag with id: id based on the graph definition in text.
+ * @param text
+ * @param id
+ */
+export const draw = (txt, id, ver) => {
+  try {
+    const parser = infoParser.parser
+    parser.yy = db
+    logger.debug('Renering info diagram\n' + txt)
+    // Parse the graph definition
+    parser.parse(txt)
+    logger.debug('Parsed info diagram')
+    // Fetch the default direction, use TD if none was found
+    const svg = d3.select('#' + id)
+
+    const g = svg.append('g')
+
+    g.append('text') // text label for the x axis
+      .attr('x', 100)
+      .attr('y', 40)
+      .attr('class', 'version')
+      .attr('font-size', '32px')
+      .style('text-anchor', 'middle')
+      .text('v ' + ver)
+
+    svg.attr('height', 100)
+    svg.attr('width', 400)
+    // svg.attr('viewBox', '0 0 300 150');
+  } catch (e) {
+    logger.error('Error while rendering info diagram')
+    logger.error(e.message)
+  }
+}
+
+export default {
+  setConf,
+  draw
+}