/
app.js
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/
app.js
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import BpmnModeler from 'bpmn-js/lib/Modeler';
import {
BpmnPropertiesPanelModule,
BpmnPropertiesProviderModule,
} from 'bpmn-js-properties-panel';
import diagramXML from '../test/spec/bpmn/user_form.bpmn';
import spiffworkflow from './spiffworkflow';
import setupFileOperations from './fileOperations';
const modelerEl = document.getElementById('modeler');
const panelEl = document.getElementById('panel');
const spiffModdleExtension = require('./spiffworkflow/moddle/spiffworkflow.json');
let bpmnModeler;
/**
* This provides an example of how to instantiate a BPMN Modeler configured with
* all the extensions and modifications in this application.
*/
try {
bpmnModeler = new BpmnModeler({
container: modelerEl,
propertiesPanel: {
parent: panelEl,
},
additionalModules: [
spiffworkflow,
BpmnPropertiesPanelModule,
BpmnPropertiesProviderModule,
],
moddleExtensions: {
spiffworkflowModdle: spiffModdleExtension,
},
});
} catch (error) {
if (error.constructor.name === 'AggregateError') {
console.log(error.message);
console.log(error.name);
console.log(error.errors);
}
throw error;
}
// import XML
bpmnModeler.importXML(diagramXML).then(() => {});
/**
* It is possible to populate certain components using API calls to
* a backend. Here we mock out the API call, but this gives you
* a sense of how things might work.
*
*/
bpmnModeler.on('spiff.service_tasks.requested', (event) => {
event.eventBus.fire('spiff.service_tasks.returned', {
serviceTaskOperators: [
{
id: 'Chuck Norris Fact Service',
parameters: [
{
id: 'category',
type: 'string',
},
],
},
{
id: 'Fact about a Number',
parameters: [
{
id: 'number',
type: 'integer',
},
],
},
],
});
});
/**
* Python Script authoring is best done in some sort of editor
* here is an example that will connect a large CodeMirror editor
* to the "Launch Editor" buttons (Script Tasks, and the Pre and Post
* scripts on all other tasks.
*/
const myCodeMirror = CodeMirror(document.getElementById('code_editor'), {
lineNumbers: true,
mode: 'python',
});
const saveCodeBtn = document.getElementById('saveCode');
let launchCodeEvent = null;
bpmnModeler.on('spiff.script.edit', (newEvent) => {
launchCodeEvent = newEvent;
myCodeMirror.setValue(launchCodeEvent.script);
setTimeout(function () {
myCodeMirror.refresh();
}, 1); // We have to wait a moment before calling refresh.
document.getElementById('code_overlay').style.display = 'block';
document.getElementById('code_editor').focus();
});
saveCodeBtn.addEventListener('click', (_event) => {
const { scriptType, element } = launchCodeEvent;
launchCodeEvent.eventBus.fire('spiff.script.update', {
element,
scriptType,
script: myCodeMirror.getValue(),
});
document.getElementById('code_overlay').style.display = 'none';
});
/**
* Like Python Script Editing, it can be nice to edit your Markdown in a
* good editor as well.
*/
const simplemde = new SimpleMDE({
element: document.getElementById('markdown_textarea'),
});
let launchMarkdownEvent = null;
bpmnModeler.on('spiff.markdown.edit', (newEvent) => {
launchMarkdownEvent = newEvent;
simplemde.value(launchMarkdownEvent.value);
document.getElementById('markdown_overlay').style.display = 'block';
document.getElementById('markdown_editor').focus();
});
const saveMarkdownBtn = document.getElementById('saveMarkdown');
saveMarkdownBtn.addEventListener('click', (_event) => {
const { element } = launchMarkdownEvent;
launchMarkdownEvent.eventBus.fire('spiff.markdown.update', {
element,
value: simplemde.value(),
});
document.getElementById('markdown_overlay').style.display = 'none';
});
/**
* Also can be good to launch an editor for a call activity, or file
* Not implemented here but imagine opening up a new browser tab
* and showing a different process or completly different file editor.
*/
bpmnModeler.on('spiff.callactivity.edit', (newEvent) => {
console.log(
'Open new window with editor for call activity: ',
newEvent.processId
);
});
/**
* Also can be good to launch an editor for a call activity, or DMN
* Not implemented here but imagine opening up a new browser tab
* and showing a different process.
*/
bpmnModeler.on('spiff.file.edit', (newEvent) => {
console.log('Open new window to edit file: ', newEvent.value);
});
bpmnModeler.on('spiff.dmn.edit', (newEvent) => {
console.log('Open new window to edit DMN table: ', newEvent.value);
});
/**
* Also handy to get a list of available files that can be used in a given
* context, say json files for a form, or a DMN file for a BusinessRuleTask
*/
bpmnModeler.on('spiff.json_files.requested', (event) => {
event.eventBus.fire('spiff.json_files.returned', {
options: [
{ label: 'pizza_form.json', value: 'pizza_form.json' },
{ label: 'credit_card_form.json', value: 'credit_card_form.json' },
],
});
});
bpmnModeler.on('spiff.dmn_files.requested', (event) => {
event.eventBus.fire('spiff.dmn_files.returned', {
options: [
{ label: 'Pizza Special Prices', value: 'pizza_prices' },
{ label: 'Topping Prices', value: 'topping_prices' },
{ label: 'Test Decision', value: 'test_decision' },
],
});
});
// As call activites might refernce processes across the system
// it should be possible to search for a paticular call activity.
bpmnModeler.on('spiff.callactivity.search', (event) => {
console.log("Firing call activity update", event.element)
event.eventBus.fire('spiff.callactivity.update', {
value: 'searched_bpmn_id',
element: event.element,
});
});
// This handles the download and upload buttons - it isn't specific to
// the BPMN modeler or these extensions, just a quick way to allow you to
// create and save files, so keeping it outside the example.
setupFileOperations(bpmnModeler);