svgedit/archive/untested-extensions/ext-server_moinsave/ext-server_moinsave.js

84 lines
3.1 KiB
JavaScript

/**
* @file ext-server_moinsave.js
*
* @license (MIT OR GPL-2.0-or-later)
*
* @copyright 2010 Alexis Deveria, 2011 MoinMoin:ReimarBauer
* adopted for moinmoins item storage. It sends in one post png and svg data
* (I agree to dual license my work to additional GPLv2 or later)
*/
import { Canvg as canvg } from 'canvg';
const loadExtensionTranslation = async function (lang) {
let translationModule;
try {
// eslint-disable-next-line no-unsanitized/method
translationModule = await import(`./locale/${encodeURIComponent(lang)}.js`);
} catch (_error) {
// eslint-disable-next-line no-console
console.error(`Missing translation (${lang}) - using 'en'`);
translationModule = await import(`./locale/en.js`);
}
return translationModule.default;
};
export default {
name: 'server_moinsave',
async init ({ encode64 }) {
const svgEditor = this;
const strings = await loadExtensionTranslation(svgEditor.configObj.pref('lang'));
const { svgCanvas } = svgEditor;
const { $id } = svgCanvas;
const saveSvgAction = '/+modify';
// Create upload target (hidden iframe)
// Hiding by size instead of display to avoid FF console errors
// with `getBBox` in browser.js `supportsPathBBox_`)
const iframe = document.createElement('IFRAME');
iframe.src="data:text/html;base64,PGh0bWw+PC9odG1sPg==";
document.body.append(iframe);
iframe.name = "output_frame";
iframe.contentWindow.document.title = strings.hiddenframe;
iframe.style.cssText = "width:0;height:0;";
svgEditor.setCustomHandlers({
async save (win, data) {
const svg = '<?xml version="1.0"?>\n' + data;
const { pathname } = new URL(location);
const name = pathname.replace(/\/+get\//, '');
const svgData = encode64(svg);
if (!$id('export_canvas')) {
const canvas = document.createElement('canvas');
canvas.setAttribute('id', 'export_canvas');
canvas.style.display = 'none';
document.body.appendChild(canvas);
}
const c = $id('export_canvas');
c.style.width = svgCanvas.contentW;
c.style.height = svgCanvas.contentH;
await canvg(c, svg);
const datauri = c.toDataURL('image/png');
// const {uiStrings} = svgEditor;
const pngData = encode64(datauri); // Brett: This encoding seems unnecessary
const form = document.createElement('form');
form.setAttribute('method', 'post');
form.setAttribute('action', saveSvgAction + '/' + name);
form.setAttribute('target', 'output_frame');
// eslint-disable-next-line no-unsanitized/property
form.innerHTML = `<input type="hidden" name="png_data" value="${pngData}">
<input type="hidden" name="filepath" value="${svgData}">
<input type="hidden" name="filename" value="drawing.svg">
<input type="hidden" name="contenttype" value="application/x-svgdraw">`;
document.body.append(form);
form.submit();
form.remove();
// eslint-disable-next-line no-alert
alert(strings.saved);
top.window.location = '/' + name;
}
});
}
};