61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
/* global svgCanvas, jQuery, Components, netscape */
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// Note: This JavaScript file must be included as the last script on the main HTML editor page to override the open/save handlers
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jQuery(function () {
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if (!window.Components) return;
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/**
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* Offer choice of file.
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* @param {boolean} readflag
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* @returns {nsILocalFile}
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*/
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function mozFilePicker (readflag) {
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const fp = window.Components.classes['@mozilla.org/filepicker;1']
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.createInstance(Components.interfaces.nsIFilePicker);
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if (readflag) fp.init(window, 'Pick a SVG file', fp.modeOpen);
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else fp.init(window, 'Pick a SVG file', fp.modeSave);
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fp.defaultExtension = '*.svg';
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fp.show();
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return fp.file;
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}
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svgCanvas.setCustomHandlers({
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open () {
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try {
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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const file = mozFilePicker(true);
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if (!file) {
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return;
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}
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const inputStream = Components.classes['@mozilla.org/network/file-input-stream;1'].createInstance(Components.interfaces.nsIFileInputStream);
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inputStream.init(file, 0x01, 0o00004, null);
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const sInputStream = Components.classes['@mozilla.org/scriptableinputstream;1'].createInstance(Components.interfaces.nsIScriptableInputStream);
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sInputStream.init(inputStream);
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svgCanvas.setSvgString(sInputStream.read(sInputStream.available()));
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} catch (e) {
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console.log('Exception while attempting to load' + e); // eslint-disable-line no-console
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}
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},
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save (svg, str) {
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try {
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const file = mozFilePicker(false);
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if (!file) {
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return;
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}
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if (!file.exists()) {
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file.create(0, 0o0664);
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}
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const out = Components.classes['@mozilla.org/network/file-output-stream;1'].createInstance(Components.interfaces.nsIFileOutputStream);
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out.init(file, 0x20 | 0x02, 0o00004, null); // eslint-disable-line no-bitwise
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out.write(str, str.length);
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out.flush();
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out.close();
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} catch (e) {
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alert(e); // eslint-disable-line no-alert
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}
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}
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});
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});
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