Files
mermaid/src/main.js
knsv 6f96b5dd14 Added logger for dealing with issue #179
Added markdown files for the documentation.
parseError exposed from the mermaidAPI
2015-06-30 14:23:32 +02:00

379 lines
12 KiB
JavaScript

var graph = require('./diagrams/flowchart/graphDb');
var flow = require('./diagrams/flowchart/parser/flow');
var utils = require('./utils');
var flowRenderer = require('./diagrams/flowchart/flowRenderer');
var seq = require('./diagrams/sequenceDiagram/sequenceRenderer');
var info = require('./diagrams/example/exampleRenderer');
var he = require('he');
var infoParser = require('./diagrams/example/parser/example');
var flowParser = require('./diagrams/flowchart/parser/flow');
var dotParser = require('./diagrams/flowchart/parser/dot');
var sequenceParser = require('./diagrams/sequenceDiagram/parser/sequenceDiagram');
var sequenceDb = require('./diagrams/sequenceDiagram/sequenceDb');
var infoDb = require('./diagrams/example/exampleDb');
var gantt = require('./diagrams/gantt/ganttRenderer');
var ganttParser = require('./diagrams/gantt/parser/gantt');
var ganttDb = require('./diagrams/gantt/ganttDb');
var d3 = require('./d3');
var nextId = 0;
var log = require('./logger').create();
/**
* Function that parses a mermaid diagram defintion. If parsing fails the parseError callback is called and an error is
* thrown and
* @param text
*/
var parse = function(text){
var graphType = utils.detectType(text);
var parser;
switch(graphType){
case 'graph':
parser = flowParser;
parser.parser.yy = graph;
break;
case 'dotGraph':
parser = dotParser;
parser.parser.yy = graph;
break;
case 'sequenceDiagram':
parser = sequenceParser;
parser.parser.yy = sequenceDb;
break;
case 'info':
parser = infoParser;
parser.parser.yy = infoDb;
break;
case 'gantt':
parser = ganttParser;
parser.parser.yy = ganttDb;
break;
}
try{
parser.parse(text);
return true;
}
catch(err){
return false;
}
};
/**
* Function that goes through the document to find the chart definitions in there and render them.
*
* The function tags the processed attributes with the attribute data-processed and ignores found elements with the
* attribute already set. This way the init function can be triggered several times.
*
* Optionally, `init` can accept in the second argument one of the following:
* - a DOM Node
* - an array of DOM nodes (as would come from a jQuery selector)
* - a W3C selector, a la `.mermaid`
*
* ```
* graph LR;
* a(Find elements)-->b{Processed};
* b-->|Yes|c(Leave element);
* c-->|No |d(Transform);
* ```
*/
/**
* Renders the mermaid diagrams
* @* param nodes- a css selector or an array of nodes
*/
var init = function () {
var nodes;
if(arguments.length === 2){
// sequence config was passed as #1
if(typeof arguments[0] !== 'undefined'){
mermaid.sequenceConfig = arguments[0];
}
nodes = arguments[1];
}
else{
nodes = arguments[0];
}
nodes = nodes === undefined ? document.querySelectorAll('.mermaid')
: typeof nodes === "string" ? document.querySelectorAll(nodes)
: nodes instanceof Node ? [nodes]
// Last case - sequence config was passed pick next
: nodes;
var i;
log.debug('Found ',nodes.length,' nodes');
for (i = 0; i < nodes.length; i++) {
var element = nodes[i];
// Check if previously processed
if(!element.getAttribute("data-processed")) {
element.setAttribute("data-processed", true);
} else {
continue;
}
var id = 'mermaidChart' + nextId++;
var txt = element.innerHTML;
txt = txt.replace(/>/g,'&gt;');
txt = txt.replace(/</g,'&lt;');
txt = he.decode(txt).trim();
element.innerHTML = '<svg id="' + id + '" width="100%" xmlns="http://www.w3.org/2000/svg">' +
'<g />' +
'</svg>';
var graphType = utils.detectType(txt);
var classes = {};
switch(graphType){
case 'graph':
classes = flowRenderer.getClasses(txt, false);
if(typeof mermaid.flowchartConfig === 'object'){
flowRenderer.setConf(mermaid.flowchartConfig);
}
flowRenderer.draw(txt, id, false);
utils.cloneCssStyles(element.firstChild, classes);
graph.bindFunctions();
break;
case 'dotGraph':
classes = flowRenderer.getClasses(txt, true);
flowRenderer.draw(txt, id, true);
utils.cloneCssStyles(element.firstChild, classes);
break;
case 'sequenceDiagram':
if(typeof mermaid.sequenceConfig === 'object'){
seq.setConf(mermaid.sequenceConfig);
}
seq.draw(txt,id);
utils.cloneCssStyles(element.firstChild, []);
break;
case 'gantt':
if(typeof mermaid.ganttConfig === 'object'){
gantt.setConf(mermaid.ganttConfig);
}
gantt.draw(txt,id);
utils.cloneCssStyles(element.firstChild, []);
break;
case 'info':
info.draw(txt,id,exports.version());
utils.cloneCssStyles(element.firstChild, []);
break;
}
}
};
exports.tester = function(){};
/**
* Function returning version information
* @returns {string} A string containing the version info
*/
exports.version = function(){
return require('../package.json').version;
};
var equals = function (val, variable){
if(typeof variable === 'undefined'){
return false;
}
else{
return (val === variable);
}
};
var render = function(id, txt,cb){
// var element = doc.createElement('svg');
// element.setAttribute('id',id);
// element.setAttribute('width','100%');
// element.setAttribute('xmlns','http://www.w3.org/2000/svg');
// element.innerHTML = '<g />';
//var element = doc.createElement('div');
//element.setAttribute('id','d'+id);
//
//element.innerHTML = '<svg id="' + id + '" width="100%" xmlns="http://www.w3.org/2000/svg">' +
// '<g />' +
// '</svg>';
//document.body.appendChild(element);
d3.select('body').append('div')
.attr('id', 'd'+id)
.append('svg')
.attr('id', id)
.attr('width','100%')
.attr('xmlns','http://www.w3.org/2000/svg')
.append('g');
log.debug(d3.select('#d'+id).node().innerHTML);
var element = d3.select('#d'+id).node();
var graphType = utils.detectType(txt);
var classes = {};
switch(graphType){
case 'graph':
classes = flowRenderer.getClasses(txt, false);
if(typeof mermaid.flowchartConfig === 'object'){
flowRenderer.setConf(mermaid.flowchartConfig);
}
flowRenderer.draw(txt, id, false);
utils.cloneCssStyles(element.firstChild, classes);
graph.bindFunctions();
break;
case 'dotGraph':
classes = flowRenderer.getClasses(txt, true);
flowRenderer.draw(txt, id, true);
utils.cloneCssStyles(element.firstChild, classes);
break;
case 'sequenceDiagram':
if(typeof mermaid.sequenceConfig === 'object'){
seq.setConf(mermaid.sequenceConfig);
}
seq.draw(txt,id);
utils.cloneCssStyles(element.firstChild, []);
break;
case 'gantt':
if(typeof mermaid.ganttConfig === 'object'){
gantt.setConf(mermaid.ganttConfig);
}
gantt.draw(txt,id);
utils.cloneCssStyles(element.firstChild, []);
break;
case 'info':
info.draw(txt,id,exports.version());
utils.cloneCssStyles(element.firstChild, []);
break;
}
//log.debug(document.body.innerHTML);
cb(d3.select('#d'+id).node().innerHTML);
d3.select('#d'+id).node().remove();
};
exports.render = function(id, text){
var callback = function(svgText){
log.debug(svgText);
};
if(typeof document === 'undefined'){
//jsdom = require('jsdom').jsdom;
//log.debug(jsdom);
//htmlStub = '<html><head></head><body><div class="mermaid">'+text+'</div><script src="dist/mermaid.full.js"></script><script>var mermaid_config = {startOnLoad:true}</script></body></html>';
htmlStub = '<html><head></head><body></body></html>';
// // html file skull with a container div for the d3 dataviz
//
// pass the html stub to jsDom
/* jsdom.env({
features : { QuerySelectorAll : true },
html : htmlStub,
done : function(errors, win) {
// process the html document, like if we were at client side
// code to generate the dataviz and process the resulting html file to be added here
//var d3 = require('d3');
//log.debug('Here we go: '+JSON.stringify(d3));
global.document = win.document;
global.window = win;
var element = win.document.createElement('div');
element.setAttribute('id','did');
//document.
log.debug(document.body.innerHTML);
//log.debug('Element:',element);
//log.debug(win);
//mermaid.init();
//render(win.document, 'myId', text, callback);
}
});*/
//var jsdom = require('jsdom').jsdom;
//global.document = jsdom(htmlStub);
//global.window = document.parentWindow;
render(id, text, callback);
//var element = win.document.createElement('div');
//element.setAttribute('id','did');
//document.
}
else{
// In browser
render( id, text, callback);
}
};
global.mermaid = {
startOnLoad: true,
htmlLabels: true,
init: function(sequenceConfig, nodes) {
init.apply(null, arguments);
},
version: function() {
return exports.version();
},
getParser: function() {
return flow.parser;
},
parse: function(text) {
return parse(text);
},
parseError: function(err, hash) {
log.debug('Mermaid Syntax error:');
log.debug(err);
},
render:function(id, text){
return exports.render(id, text);
}
};
exports.contentLoaded = function(){
// Check state of start config mermaid namespace
//log.debug('global.mermaid.startOnLoad',global.mermaid.startOnLoad);
//log.debug('mermaid_config',mermaid_config);
if (typeof mermaid_config !== 'undefined') {
if (equals(false, mermaid_config.htmlLabels)) {
global.mermaid.htmlLabels = false;
}
}
if(global.mermaid.startOnLoad) {
// For backwards compatability reasons also check mermaid_config variable
if (typeof mermaid_config !== 'undefined') {
// Check if property startOnLoad is set
if (equals(true, mermaid_config.startOnLoad)) {
global.mermaid.init();
}
}
else {
// No config found, do autostart in this simple case
global.mermaid.init();
}
}
};
if(typeof document !== 'undefined'){
/**
* Wait for document loaded before starting the execution
*/
document.addEventListener('DOMContentLoaded', function(){
exports.contentLoaded();
}, false);
}