133 lines
3.5 KiB
JavaScript
133 lines
3.5 KiB
JavaScript
(function() {
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var Model = require('bpmn/Model'),
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Viewer = require('bpmn/Viewer'),
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Modeler = require('bpmn/Modeler');
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var container = $('#js-drop-zone');
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var canvas = $('#js-canvas');
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var BpmnJS = canvas.is('.modeler') ? Modeler : Viewer;
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var renderer = new BpmnJS(canvas.get(0));
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var newDiagramXML =
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'<?xml version="1.0" encoding="UTF-8"?>' +
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'<bpmn2:definitions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bpmn2="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xsi:schemaLocation="http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd" id="sample-diagram" targetNamespace="http://bpmn.io/schema/bpmn">' +
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' <bpmn2:process id="Process_1" isExecutable="false">' +
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' <bpmn2:startEvent id="StartEvent_1"/>' +
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' </bpmn2:process>' +
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' <bpmndi:BPMNDiagram id="BPMNDiagram_1">' +
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' <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_1">' +
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' <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">' +
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' <dc:Bounds height="36.0" width="36.0" x="412.0" y="240.0"/>' +
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' </bpmndi:BPMNShape>' +
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' </bpmndi:BPMNPlane>' +
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' </bpmndi:BPMNDiagram>' +
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'</bpmn2:definitions>';
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function createNewDiagram() {
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var bpmn = Model.instance();
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openDiagram(newDiagramXML);
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}
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function openDiagram(xml) {
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Model.fromXML(xml, 'bpmn:Definitions', function(err, definitions) {
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if (err) {
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console.error(err);
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} else {
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renderer.importDefinitions(definitions, function() {
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container.addClass('with-diagram');
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});
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}
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});
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}
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function saveDiagram(done) {
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var definitions = renderer.definitions;
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if (definitions) {
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Model.toXML(definitions, { format: true }, function(err, xml) {
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done(err, xml);
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});
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}
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}
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////// file drag / drop ///////////////////////
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// check file api availability
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if (!window.FileList || !window.FileReader) {
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window.alert('Looks like you use an older browser that does not support drag and drop. Try using Chrome, Firefox or the Internet Explorer > 10.');
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return;
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}
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(function onFileDrop(container, callback) {
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function handleFileSelect(e) {
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e.stopPropagation();
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e.preventDefault();
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var files = e.dataTransfer.files;
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var file = files[0];
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var reader = new FileReader();
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reader.onload = function(e) {
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var xml = e.target.result;
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callback(xml);
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};
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reader.readAsText(file);
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}
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function handleDragOver(e) {
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e.stopPropagation();
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e.preventDefault();
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e.dataTransfer.dropEffect = 'copy'; // Explicitly show this is a copy.
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}
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container.get(0).addEventListener('dragover', handleDragOver, false);
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container.get(0).addEventListener('drop', handleFileSelect, false);
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})(container, openDiagram);
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$(document).on('ready', function() {
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$('#js-create-diagram').click(function(e) {
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e.stopPropagation();
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e.preventDefault();
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createNewDiagram();
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});
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var downloadLink = $('#js-download-diagram');
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setInterval(function() {
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saveDiagram(function(err, xml) {
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if (!xml || err) {
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return;
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}
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var encoded = encodeURIComponent(xml);
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downloadLink.attr({
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'href': 'data:application/bpmn20-xml;charset=UTF-8,' + encoded,
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'download': 'diagram.bpmn'
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});
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});
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}, 5000);
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});
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})(); |