80 lines
2.1 KiB
JavaScript
80 lines
2.1 KiB
JavaScript
// FileSaver isn't really a dependency, we use it here to provide an example.
|
|
// eslint-disable-next-line import/no-extraneous-dependencies
|
|
import FileSaver from 'file-saver';
|
|
|
|
/** ****************************************
|
|
* Below are a few helper methods so we can upload and download files
|
|
* easily from the editor for testing purposes.
|
|
* -----------------------------------------
|
|
*/
|
|
export default function setupFileOperations(bpmnModeler) {
|
|
/**
|
|
* Just a quick bit of code so we can save the XML that is output.
|
|
* Helps for debugging against other libraries (like SpiffWorkflow)
|
|
*/
|
|
|
|
const btn = document.getElementById('downloadButton');
|
|
btn.addEventListener('click', (_event) => {
|
|
saveXML();
|
|
});
|
|
|
|
async function saveXML() {
|
|
const { xml } = await bpmnModeler.saveXML({ format: true });
|
|
const blob = new Blob([xml], { type: 'text/xml' });
|
|
FileSaver.saveAs(blob, 'diagram.bpmn');
|
|
}
|
|
|
|
/**
|
|
* Just a quick bit of code so we can open a local XML file
|
|
* Helps for debugging against other libraries (like SpiffWorkflow)
|
|
*/
|
|
const uploadBtn = document.getElementById('uploadButton');
|
|
uploadBtn.addEventListener('click', (_event) => {
|
|
openFile(bpmnModeler);
|
|
});
|
|
}
|
|
|
|
function clickElem(elem) {
|
|
const eventMouse = document.createEvent('MouseEvents');
|
|
eventMouse.initMouseEvent(
|
|
'click',
|
|
true,
|
|
false,
|
|
window,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
false,
|
|
false,
|
|
false,
|
|
false,
|
|
0,
|
|
null
|
|
);
|
|
elem.dispatchEvent(eventMouse);
|
|
}
|
|
|
|
export function openFile(bpmnModeler) {
|
|
const readFile = function readFileCallback(e) {
|
|
const file = e.target.files[0];
|
|
if (!file) {
|
|
return;
|
|
}
|
|
const reader = new FileReader();
|
|
reader.onload = function onloadCallback(onloadEvent) {
|
|
const contents = onloadEvent.target.result;
|
|
bpmnModeler.importXML(contents);
|
|
document.body.removeChild(fileInput);
|
|
};
|
|
reader.readAsText(file);
|
|
};
|
|
let fileInput = document.createElement('input');
|
|
fileInput.type = 'file';
|
|
fileInput.style.display = 'none';
|
|
fileInput.onchange = readFile;
|
|
document.body.appendChild(fileInput);
|
|
clickElem(fileInput);
|
|
}
|