125 lines
4.0 KiB
JavaScript
125 lines
4.0 KiB
JavaScript
/* globals jQuery */
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/**
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* Attaches items to DOM for Embedded SVG support.
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* @module EmbeddedSVGEditDOM
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*/
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import EmbeddedSVGEdit from './embedapi.js';
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import {isChrome} from './browser.js';
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const $ = jQuery;
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let svgCanvas = null;
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/**
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* @param {string} data
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* @param {string} error
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* @returns {void}
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*/
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function handleSvgData (data, error) {
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if (error) {
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// Todo: This should be replaced with a general purpose dialog alert library call
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alert('error ' + error); // eslint-disable-line no-alert
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} else {
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// Todo: This should be replaced with a general purpose dialog alert library call
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alert('Congratulations. Your SVG string is back in the host page, do with it what you will\n\n' + data); // eslint-disable-line no-alert
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}
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}
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/**
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* Set the canvas with an example SVG string.
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* @returns {void}
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*/
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function loadSvg () {
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const svgexample = '<svg width="640" height="480" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g><title>Layer 1</title><rect stroke-width="5" stroke="#000000" fill="#FF0000" id="svg_1" height="35" width="51" y="35" x="32"/><ellipse ry="15" rx="24" stroke-width="5" stroke="#000000" fill="#0000ff" id="svg_2" cy="60" cx="66"/></g></svg>';
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svgCanvas.setSvgString(svgexample);
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}
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/**
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*
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* @returns {void}
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*/
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function saveSvg () {
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svgCanvas.getSvgString()(handleSvgData);
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}
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/**
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* Perform a PNG export.
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* @returns {void}
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*/
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function exportPNG () {
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svgCanvas.getUIStrings()(function (uiStrings) {
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const str = uiStrings.notification.loadingImage;
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let exportWindow;
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if (!isChrome()) {
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exportWindow = window.open(
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'data:text/html;charset=utf-8,' + encodeURIComponent('<title>' + str + '</title><h1>' + str + '</h1>'),
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'svg-edit-exportWindow'
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);
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}
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svgCanvas.rasterExport('PNG', null, exportWindow && exportWindow.name)();
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});
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}
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/**
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* Perform a PDF export.
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* @returns {void}
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*/
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function exportPDF () {
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svgCanvas.getUIStrings()(function (uiStrings) {
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const str = uiStrings.notification.loadingImage;
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/**
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// If you want to handle the PDF blob yourself, do as follows
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svgCanvas.bind('exportedPDF', function (win, data) {
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alert(data.output);
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});
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svgCanvas.exportPDF(); // Accepts two args: optionalWindowName supplied back to bound exportPDF handler and optional outputType (defaults to dataurlstring)
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return;
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*/
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if (isChrome()) {
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// Chrome will open an extra window if we follow the approach below
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svgCanvas.exportPDF();
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} else {
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const exportWindow = window.open(
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'data:text/html;charset=utf-8,' + encodeURIComponent('<title>' + str + '</title><h1>' + str + '</h1>'),
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'svg-edit-exportWindow'
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);
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svgCanvas.exportPDF(exportWindow && exportWindow.name);
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}
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});
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}
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const frameBase = 'https://raw.githack.com/SVG-Edit/svgedit/master';
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// const frameBase = 'http://localhost:8001';
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const framePath = '/editor/xdomain-svg-editor-es.html?extensions=ext-xdomain-messaging.js';
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const iframe = $('<iframe width="900px" height="600px" id="svgedit"></iframe>');
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iframe[0].src = frameBase + framePath +
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(location.href.includes('?')
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? location.href.replace(/\?(.*)$/, '&$1')
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: ''); // Append arguments to this file onto the iframe
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iframe[0].addEventListener('load', function () {
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svgCanvas = new EmbeddedSVGEdit(frame, [new URL(frameBase).origin]);
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// Hide main button, as we will be controlling new, load, save, etc. from the host document
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let doc;
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try {
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doc = frame.contentDocument || frame.contentWindow.document;
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} catch (err) {
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console.log('Blocked from accessing document', err); // eslint-disable-line no-console
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}
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if (doc) {
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// Todo: Provide a way to get this to occur by `postMessage`
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const mainButton = doc.getElementById('main_button');
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mainButton.style.display = 'none';
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}
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// Add event handlers now that `svgCanvas` is ready
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$('#load').click(loadSvg);
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$('#save').click(saveSvg);
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$('#exportPNG').click(exportPNG);
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$('#exportPDF').click(exportPDF);
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});
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$('body').append(iframe);
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const frame = document.getElementById('svgedit');
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