svgedit/opera-widget/handlers.js

/* eslint-disable no-var */
/* globals $, svgCanvas */
// Note: This JavaScript file must be included as the last script on the main HTML editor page to override the open/save handlers
$(function () {
	if (window.opera && window.opera.io && window.opera.io.filesystem) {
		svgCanvas.setCustomHandlers({
			open: function () {
				try {
					window.opera.io.filesystem.browseForFile(
						new Date().getTime(), /* mountpoint name */
						'', /* default location */
						function (file) {
							try {
								if (file) {
									var fstream = file.open(file, 'r');
									var output = '';
									while (!fstream.eof) {
										output += fstream.readLine();
									}

									svgCanvas.setSvgString(output); /* 'this' is bound to the filestream object here */
								}
							} catch (e) {
								console.log('Reading file failed.');
							}
						},
						false, /* not persistent */
						false, /* no multiple selections */
						'*.svg' /* file extension filter */
					);
				} catch (e) {
					console.log('Open file failed.');
				}
			},
			save: function (window, svg) {
				try {
					window.opera.io.filesystem.browseForSave(
						new Date().getTime(), /* mountpoint name */
						'', /* default location */
						function (file) {
							try {
								if (file) {
									var fstream = file.open(file, 'w');
									fstream.write(svg, 'UTF-8');
									fstream.close();
								}
							} catch (e) {
								console.log('Write to file failed.');
							}
						},
						false /* not persistent */
					);
				} catch (e) {
					console.log('Save file failed.');
				}
			}
		});
	}
});