bpmn-js/lib/import/Importer.js

50 lines
1.1 KiB
JavaScript

var _ = require('lodash');
var BpmnTreeWalker = require('./BpmnTreeWalker');
function importBpmnDiagram(diagram, definitions, done) {
var canvas = diagram.get('canvas');
var shapes = {};
var visitor = {
element: function(element, di, parent) {
var shape;
if (di.$type === 'bpmndi:BPMNShape') {
var bounds = di.bounds;
shape = { id: element.id, type: element.$type, x: bounds.x, y: bounds.y, width: bounds.width, height: bounds.height, parent: parent };
canvas.addShape(shape);
} else {
var waypoints = _.collect(di.waypoint, function(p) {
return { x: p.x, y: p.y };
});
shape = { id: element.id, type: element.$type, waypoints: waypoints };
canvas.addConnection(shape);
}
shapes[element.id] = shape;
return shape;
},
error: function(message, context) {
console.warn('[import]', message, context);
}
};
var walker = new BpmnTreeWalker(visitor);
walker.handleDefinitions(definitions);
done();
}
module.exports.importBpmnDiagram = importBpmnDiagram;