zotero/chrome/content/zotero/fileInterface.js
Dan Stillman 04779d8d1c Add import option for storing or linking files
This allows files in Mendeley imports to be stored and files in
RIS/BibTeX/etc. to be linked.

Closes #329
2019-03-02 06:24:33 -05:00

862 lines
26 KiB
JavaScript

/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
***** END LICENSE BLOCK *****
*/
Components.utils.import("resource://gre/modules/osfile.jsm")
/****Zotero_File_Exporter****
**
* A class to handle exporting of items, collections, or the entire library
**/
/**
* Constructs a new Zotero_File_Exporter with defaults
**/
var Zotero_File_Exporter = function() {
this.name = Zotero.getString("fileInterface.exportedItems");
this.collection = false;
this.items = false;
}
/**
* Performs the actual export operation
*
* @return {Promise}
**/
Zotero_File_Exporter.prototype.save = Zotero.Promise.coroutine(function* () {
var translation = new Zotero.Translate.Export();
var translators = yield translation.getTranslators();
// present options dialog
var io = {translators:translators}
window.openDialog("chrome://zotero/content/exportOptions.xul",
"_blank", "chrome,modal,centerscreen,resizable=no", io);
if(!io.selectedTranslator) {
return false;
}
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"]
.createInstance(nsIFilePicker);
fp.init(window, Zotero.getString("fileInterface.export"), nsIFilePicker.modeSave);
// set file name and extension
if(io.displayOptions.exportFileData) {
// if the result will be a folder, don't append any extension or use
// filters
fp.defaultString = this.name;
fp.appendFilters(Components.interfaces.nsIFilePicker.filterAll);
} else {
// if the result will be a file, append an extension and use filters
fp.defaultString = this.name+(io.selectedTranslator.target ? "."+io.selectedTranslator.target : "");
fp.defaultExtension = io.selectedTranslator.target;
fp.appendFilter(io.selectedTranslator.label, "*."+(io.selectedTranslator.target ? io.selectedTranslator.target : "*"));
}
var rv = fp.show();
if (rv != nsIFilePicker.returnOK && rv != nsIFilePicker.returnReplace) {
return;
}
if(this.collection) {
translation.setCollection(this.collection);
} else if(this.items) {
translation.setItems(this.items);
} else if(this.libraryID === undefined) {
throw new Error('No export configured');
} else {
translation.setLibraryID(this.libraryID);
}
translation.setLocation(fp.file);
translation.setTranslator(io.selectedTranslator);
translation.setDisplayOptions(io.displayOptions);
translation.setHandler("itemDone", function () {
Zotero.updateZoteroPaneProgressMeter(translation.getProgress());
});
translation.setHandler("done", this._exportDone);
Zotero_File_Interface.Progress.show(
Zotero.getString("fileInterface.itemsExported")
);
translation.translate()
});
/*
* Closes the items exported indicator
*/
Zotero_File_Exporter.prototype._exportDone = function(obj, worked) {
Zotero_File_Interface.Progress.close();
if(!worked) {
Zotero.alert(
null,
Zotero.getString('general.error'),
Zotero.getString("fileInterface.exportError")
);
}
}
/****Zotero_File_Interface****
**
* A singleton to interface with ZoteroPane to provide export/bibliography
* capabilities
**/
var Zotero_File_Interface = new function() {
var _unlock;
this.exportCollection = exportCollection;
this.exportItemsToClipboard = exportItemsToClipboard;
this.exportItems = exportItems;
this.bibliographyFromItems = bibliographyFromItems;
/**
* Creates Zotero.Translate instance and shows file picker for file export
*
* @return {Promise}
*/
this.exportFile = Zotero.Promise.method(function () {
var exporter = new Zotero_File_Exporter();
exporter.libraryID = ZoteroPane_Local.getSelectedLibraryID();
if (exporter.libraryID === false) {
throw new Error('No library selected');
}
exporter.name = Zotero.Libraries.getName(exporter.libraryID);
return exporter.save();
});
/*
* exports a collection or saved search
*/
function exportCollection() {
var exporter = new Zotero_File_Exporter();
var collection = ZoteroPane_Local.getSelectedCollection();
if(collection) {
exporter.name = collection.getName();
exporter.collection = collection;
} else {
// find sorted items
exporter.items = ZoteroPane_Local.getSortedItems();
if(!exporter.items) throw ("No items to save");
// find name
var search = ZoteroPane_Local.getSelectedSavedSearch();
if(search) {
exporter.name = search.name;
}
}
exporter.save();
}
/*
* exports items
*/
function exportItems() {
var exporter = new Zotero_File_Exporter();
exporter.items = ZoteroPane_Local.getSelectedItems();
if(!exporter.items || !exporter.items.length) throw("no items currently selected");
exporter.save();
}
/*
* exports items to clipboard
*/
function exportItemsToClipboard(items, translatorID) {
var translation = new Zotero.Translate.Export();
translation.setItems(items);
translation.setTranslator(translatorID);
translation.setHandler("done", _copyToClipboard);
translation.translate();
}
/*
* handler when done exporting items to clipboard
*/
function _copyToClipboard(obj, worked) {
if(!worked) {
Zotero.alert(
null, Zotero.getString('general.error'), Zotero.getString("fileInterface.exportError")
);
} else {
Components.classes["@mozilla.org/widget/clipboardhelper;1"]
.getService(Components.interfaces.nsIClipboardHelper)
.copyString(obj.string.replace(/\r\n/g, "\n"));
}
}
this.getMendeleyDirectory = function () {
Components.classes["@mozilla.org/net/osfileconstantsservice;1"]
.getService(Components.interfaces.nsIOSFileConstantsService)
.init();
var path = OS.Constants.Path.homeDir;
if (Zotero.isMac) {
path = OS.Path.join(path, 'Library', 'Application Support', 'Mendeley Desktop');
}
else if (Zotero.isWin) {
path = OS.Path.join(path, 'AppData', 'Local', 'Mendeley Ltd', 'Mendeley Desktop');
}
else if (Zotero.isLinux) {
path = OS.Path.join(path, '.local', 'share', 'data', 'Mendeley Ltd.', 'Mendeley Desktop');
}
else {
throw new Error("Invalid platform");
}
return path;
};
this.findMendeleyDatabases = async function () {
var dbs = [];
try {
var dir = this.getMendeleyDirectory();
if (!await OS.File.exists(dir)) {
Zotero.debug(`${dir} does not exist`);
return dbs;
}
await Zotero.File.iterateDirectory(dir, function* (iterator) {
while (true) {
let entry = yield iterator.next();
if (entry.isDir) continue;
// online.sqlite, counterintuitively, is the default database before you sign in
if (entry.name == 'online.sqlite' || entry.name.endsWith('@www.mendeley.com.sqlite')) {
dbs.push({
name: entry.name,
path: entry.path,
lastModified: null,
size: null
});
}
}
});
for (let i = 0; i < dbs.length; i++) {
let dbPath = OS.Path.join(dir, dbs[i].name);
let info = await OS.File.stat(dbPath);
dbs[i].size = info.size;
dbs[i].lastModified = info.lastModificationDate;
}
dbs.sort((a, b) => {
return b.lastModified - a.lastModified;
});
}
catch (e) {
Zotero.logError(e);
}
return dbs;
};
this.showImportWizard = function () {
var libraryID = Zotero.Libraries.userLibraryID;
try {
let zp = Zotero.getActiveZoteroPane();
libraryID = zp.getSelectedLibraryID();
}
catch (e) {
Zotero.logError(e);
}
var args = {
libraryID
};
args.wrappedJSObject = args;
Services.ww.openWindow(null, "chrome://zotero/content/import/importWizard.xul",
"importFile", "chrome,dialog=yes,centerscreen,width=600,height=400", args);
};
/**
* Creates Zotero.Translate instance and shows file picker for file import
*
* @param {Object} options
* @param {nsIFile|string|null} [options.file=null] - File to import, or none to show a filepicker
* @param {Boolean} [options.addToLibraryRoot=false]
* @param {Boolean} [options.createNewCollection=true] - Put items in a new collection
* @param {Boolean} [options.linkFiles=false] - Link to files instead of storing them
* @param {Function} [options.onBeforeImport] - Callback to receive translation object, useful
* for displaying progress in a different way. This also causes an error to be throw
* instead of shown in the main window.
*/
this.importFile = Zotero.Promise.coroutine(function* (options = {}) {
if (!options) {
options = {};
}
if (typeof options == 'string' || options instanceof Components.interfaces.nsIFile) {
Zotero.debug("WARNING: importFile() now takes a single options object -- update your code");
options = {
file: options,
createNewCollection: arguments[1]
};
}
var file = options.file ? Zotero.File.pathToFile(options.file) : null;
var createNewCollection = options.createNewCollection;
var addToLibraryRoot = options.addToLibraryRoot;
var linkFiles = options.linkFiles;
var onBeforeImport = options.onBeforeImport;
if (createNewCollection === undefined && !addToLibraryRoot) {
createNewCollection = true;
}
else if (!createNewCollection) {
try {
if (!ZoteroPane.collectionsView.editable) {
ZoteroPane.collectionsView.selectLibrary(null);
}
} catch(e) {}
}
var defaultNewCollectionPrefix = Zotero.getString("fileInterface.imported");
var translation;
// Check if the file is an SQLite database
var sample = yield Zotero.File.getSample(file.path);
if (file.path == Zotero.DataDirectory.getDatabase()) {
// Blacklist the current Zotero database, which would cause a hang
}
else if (Zotero.MIME.sniffForMIMEType(sample) == 'application/x-sqlite3') {
// Mendeley import doesn't use the real translation architecture, but we create a
// translation object with the same interface
translation = yield _getMendeleyTranslation();
translation.createNewCollection = createNewCollection;
defaultNewCollectionPrefix = Zotero.getString(
'fileInterface.appImportCollection', 'Mendeley'
);
}
else if (file.path.endsWith('@www.mendeley.com.sqlite')
|| file.path.endsWith('online.sqlite')) {
// Keep in sync with importWizard.js
throw new Error('Encrypted Mendeley database');
}
if (!translation) {
translation = new Zotero.Translate.Import();
}
translation.setLocation(file);
return _finishImport({
translation,
createNewCollection,
addToLibraryRoot,
linkFiles,
defaultNewCollectionPrefix,
onBeforeImport
});
});
/**
* Imports from clipboard
*/
this.importFromClipboard = Zotero.Promise.coroutine(function* () {
var str = Zotero.Utilities.Internal.getClipboard("text/unicode");
if(!str) {
var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
ps.alert(
null,
Zotero.getString('general.error'),
Zotero.getString('fileInterface.importClipboardNoDataError')
);
}
var translation = new Zotero.Translate.Import();
translation.setString(str);
try {
if (!ZoteroPane.collectionsView.editable) {
yield ZoteroPane.collectionsView.selectLibrary();
}
} catch(e) {}
yield _finishImport({
translation,
createNewCollection: false
});
// Select imported items
try {
if (translation.newItems) {
ZoteroPane.itemsView.selectItems(translation.newItems.map(item => item.id));
}
}
catch (e) {
Zotero.logError(e, 2);
}
});
var _finishImport = Zotero.Promise.coroutine(function* (options) {
var t = performance.now();
var translation = options.translation;
var addToLibraryRoot = options.addToLibraryRoot;
var createNewCollection = options.createNewCollection;
var linkFiles = options.linkFiles;
var defaultNewCollectionPrefix = options.defaultNewCollectionPrefix;
var onBeforeImport = options.onBeforeImport;
if (addToLibraryRoot && createNewCollection) {
throw new Error("Can't add to library root and create new collection");
}
var showProgressWindow = !onBeforeImport;
let translators = yield translation.getTranslators();
// Unrecognized file
if (!translators.length) {
if (onBeforeImport) {
yield onBeforeImport(false);
}
let ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
let buttonFlags = ps.BUTTON_POS_0 * ps.BUTTON_TITLE_OK
+ ps.BUTTON_POS_1 * ps.BUTTON_TITLE_IS_STRING;
let index = ps.confirmEx(
null,
Zotero.getString('general.error'),
Zotero.getString("fileInterface.unsupportedFormat"),
buttonFlags,
null,
Zotero.getString("fileInterface.viewSupportedFormats"),
null, null, {}
);
if (index == 1) {
Zotero.launchURL("https://www.zotero.org/support/kb/importing_standardized_formats");
}
return false;
}
var libraryID = Zotero.Libraries.userLibraryID;
var importCollection = null;
try {
let zp = Zotero.getActiveZoteroPane();
libraryID = zp.getSelectedLibraryID();
if (addToLibraryRoot) {
yield zp.collectionsView.selectLibrary(libraryID);
}
else if (!createNewCollection) {
importCollection = zp.getSelectedCollection();
}
}
catch (e) {
Zotero.logError(e);
}
if(createNewCollection) {
// Create a new collection to take imported items
let collectionName;
if(translation.location instanceof Components.interfaces.nsIFile) {
let leafName = translation.location.leafName;
collectionName = (translation.location.isDirectory() || leafName.indexOf(".") === -1 ? leafName
: leafName.substr(0, leafName.lastIndexOf(".")));
let allCollections = Zotero.Collections.getByLibrary(libraryID);
for(var i=0; i<allCollections.length; i++) {
if(allCollections[i].name == collectionName) {
collectionName += " "+(new Date()).toLocaleString();
break;
}
}
}
else {
collectionName = defaultNewCollectionPrefix + " " + (new Date()).toLocaleString();
}
importCollection = new Zotero.Collection;
importCollection.libraryID = libraryID;
importCollection.name = collectionName;
yield importCollection.saveTx();
}
translation.setTranslator(translators[0]);
// Show progress popup
var progressWin;
var progress;
if (showProgressWindow) {
progressWin = new Zotero.ProgressWindow({
closeOnClick: false
});
progressWin.changeHeadline(Zotero.getString('fileInterface.importing'));
let icon = 'chrome://zotero/skin/treesource-unfiled' + (Zotero.hiDPI ? "@2x" : "") + '.png';
progress = new progressWin.ItemProgress(
icon, translation.path ? OS.Path.basename(translation.path) : translators[0].label
);
progressWin.show();
translation.setHandler("itemDone", function () {
progress.setProgress(translation.getProgress());
});
yield Zotero.Promise.delay(0);
}
else {
yield onBeforeImport(translation);
}
let failed = false;
try {
yield translation.translate({
libraryID,
collections: importCollection ? [importCollection.id] : null,
linkFiles
});
} catch(e) {
if (!showProgressWindow) {
throw e;
}
progressWin.close();
Zotero.logError(e);
Zotero.alert(
null,
Zotero.getString('general.error'),
Zotero.getString("fileInterface.importError")
);
return false;
}
var numItems = translation.newItems.length;
// Show popup on completion
if (showProgressWindow) {
progressWin.changeHeadline(Zotero.getString('fileInterface.importComplete'));
let icon;
if (numItems == 1) {
icon = translation.newItems[0].getImageSrc();
}
else {
icon = 'chrome://zotero/skin/treesource-unfiled' + (Zotero.hiDPI ? "@2x" : "") + '.png';
}
let text = Zotero.getString(`fileInterface.itemsWereImported`, numItems, numItems);
progress.setIcon(icon);
progress.setText(text);
// For synchronous translators, which don't update progress
progress.setProgress(100);
progressWin.startCloseTimer(5000);
}
Zotero.debug(`Imported ${numItems} item(s) in ${performance.now() - t} ms`);
return true;
});
var _getMendeleyTranslation = async function () {
if (true) {
Components.utils.import("chrome://zotero/content/import/mendeley/mendeleyImport.js");
}
// TEMP: Load uncached from ~/zotero-client for development
else {
Components.utils.import("resource://gre/modules/FileUtils.jsm");
let file = FileUtils.getDir("Home", []);
file = OS.Path.join(
file.path,
'zotero-client', 'chrome', 'content', 'zotero', 'import', 'mendeley', 'mendeleyImport.js'
);
let fileURI = OS.Path.toFileURI(file);
let xmlhttp = await Zotero.HTTP.request(
'GET',
fileURI,
{
dontCache: true,
responseType: 'text'
}
);
eval(xmlhttp.response);
}
return new Zotero_Import_Mendeley();
}
/**
* Creates a bibliography from a collection or saved search
*/
this.bibliographyFromCollection = function () {
var items = ZoteroPane.getSortedItems();
// Find collection name
var name = false;
var collection = ZoteroPane.getSelectedCollection();
if (collection) {
name = collection.name;
}
else {
let search = ZoteroPane.getSelectedSavedSearch();
if (search) {
name = search.name;
}
}
_doBibliographyOptions(name, items);
}
/*
* Creates a bibliography from a items
*/
function bibliographyFromItems() {
var items = ZoteroPane_Local.getSelectedItems();
if(!items || !items.length) throw("no items currently selected");
_doBibliographyOptions(Zotero.getString("fileInterface.untitledBibliography"), items);
}
/**
* Copies HTML and text citations or bibliography entries for passed items in given style
*
* Does not check that items are actual references (and not notes or attachments)
*
* @param {Zotero.Item[]} items
* @param {String} style - Style id string (e.g., 'http://www.zotero.org/styles/apa')
* @param {String} locale - Locale (e.g., 'en-US')
* @param {Boolean} [asHTML=false] - Use HTML source for plain-text data
* @param {Boolean} [asCitations=false] - Copy citation cluster instead of bibliography
*/
this.copyItemsToClipboard = function (items, style, locale, asHTML, asCitations) {
// copy to clipboard
var transferable = Components.classes["@mozilla.org/widget/transferable;1"].
createInstance(Components.interfaces.nsITransferable);
var clipboardService = Components.classes["@mozilla.org/widget/clipboard;1"].
getService(Components.interfaces.nsIClipboard);
style = Zotero.Styles.get(style);
var cslEngine = style.getCiteProc(locale);
if (asCitations) {
cslEngine.updateItems(items.map(item => item.id));
var citation = {
citationItems: items.map(item => ({ id: item.id })),
properties: {}
};
var output = cslEngine.previewCitationCluster(citation, [], [], "html");
}
else {
var output = Zotero.Cite.makeFormattedBibliographyOrCitationList(cslEngine, items, "html");
}
// add HTML
var str = Components.classes["@mozilla.org/supports-string;1"].
createInstance(Components.interfaces.nsISupportsString);
str.data = output;
transferable.addDataFlavor("text/html");
transferable.setTransferData("text/html", str, output.length * 2);
// If not "Copy as HTML", add plaintext; otherwise use HTML from above and just mark as text
if(!asHTML) {
if (asCitations) {
output = cslEngine.previewCitationCluster(citation, [], [], "text");
}
else {
// Generate engine again to work around citeproc-js problem:
// https://github.com/zotero/zotero/commit/4a475ff3
cslEngine = style.getCiteProc(locale);
output = Zotero.Cite.makeFormattedBibliographyOrCitationList(cslEngine, items, "text");
}
}
var str = Components.classes["@mozilla.org/supports-string;1"].
createInstance(Components.interfaces.nsISupportsString);
str.data = output;
transferable.addDataFlavor("text/unicode");
transferable.setTransferData("text/unicode", str, output.length * 2);
clipboardService.setData(transferable, null, Components.interfaces.nsIClipboard.kGlobalClipboard);
}
/*
* Shows bibliography options and creates a bibliography
*/
function _doBibliographyOptions(name, items) {
// make sure at least one item is not a standalone note or attachment
var haveRegularItem = false;
for (let item of items) {
if (item.isRegularItem()) {
haveRegularItem = true;
break;
}
}
if (!haveRegularItem) {
Zotero.alert(
null,
Zotero.getString('general.error'),
Zotero.getString("fileInterface.noReferencesError")
);
return;
}
var io = new Object();
var newDialog = window.openDialog("chrome://zotero/content/bibliography.xul",
"_blank","chrome,modal,centerscreen", io);
if(!io.method) return;
// determine output format
var format = "html";
if(io.method == "save-as-rtf") {
format = "rtf";
}
// determine locale preference
var locale = io.locale;
// generate bibliography
try {
if(io.method == 'copy-to-clipboard') {
Zotero_File_Interface.copyItemsToClipboard(items, io.style, locale, false, io.mode === "citations");
}
else {
var style = Zotero.Styles.get(io.style);
var cslEngine = style.getCiteProc(locale);
var bibliography = Zotero.Cite.makeFormattedBibliographyOrCitationList(cslEngine,
items, format, io.mode === "citations");
}
} catch(e) {
Zotero.alert(
null,
Zotero.getString('general.error'),
Zotero.getString("fileInterface.bibliographyGenerationError")
);
throw(e);
}
if(io.method == "print") {
// printable bibliography, using a hidden browser
var browser = Zotero.Browser.createHiddenBrowser(window);
var listener = function() {
if(browser.contentDocument.location.href == "about:blank") return;
browser.removeEventListener("pageshow", listener, false);
// this is kinda nasty, but we have to temporarily modify the user's
// settings to eliminate the header and footer. the other way to do
// this would be to attempt to print with an embedded browser, but
// it's not even clear how to attempt to create one
var prefService = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefBranch);
var prefsToClear = ["print.print_headerleft", "print.print_headercenter",
"print.print_headerright", "print.print_footerleft",
"print.print_footercenter", "print.print_footerright"];
var oldPrefs = [];
for(var i in prefsToClear) {
oldPrefs[i] = prefService.getCharPref(prefsToClear[i]);
prefService.setCharPref(prefsToClear[i], "");
}
// print
browser.contentWindow.print();
// set the prefs back
for(var i in prefsToClear) {
prefService.setCharPref(prefsToClear[i], oldPrefs[i]);
}
// TODO can't delete hidden browser object here or else print will fail...
}
browser.addEventListener("pageshow", listener, false);
browser.loadURIWithFlags("data:text/html;charset=utf-8,"+encodeURI(bibliography),
Components.interfaces.nsIWebNavigation.LOAD_FLAGS_BYPASS_HISTORY, null, "utf-8", null);
} else if(io.method == "save-as-html") {
var fStream = _saveBibliography(name, "HTML");
if(fStream !== false) {
var html = "";
html +='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n';
html +='<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">\n';
html +='<head>\n';
html +='<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>\n';
html +='<title>'+Zotero.getString("fileInterface.bibliographyHTMLTitle")+'</title>\n';
html +='</head>\n';
html +='<body>\n';
html += bibliography;
html +='</body>\n';
html +='</html>\n';
// create UTF-8 output stream
var os = Components.classes["@mozilla.org/intl/converter-output-stream;1"].
createInstance(Components.interfaces.nsIConverterOutputStream);
os.init(fStream, "UTF-8", 0, "?".charCodeAt(0));
os.writeString(html);
os.close();
fStream.close();
}
} else if(io.method == "save-as-rtf") {
var fStream = _saveBibliography(name, "RTF");
if(fStream !== false) {
fStream.write(bibliography, bibliography.length);
fStream.close();
}
}
}
function _saveBibliography(name, format) {
// saveable bibliography, using a file stream
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"]
.createInstance(nsIFilePicker);
fp.init(window, "Save Bibliography", nsIFilePicker.modeSave);
if(format == "RTF") {
var extension = "rtf";
fp.appendFilter("RTF", "*.rtf");
} else {
var extension = "html";
fp.appendFilters(nsIFilePicker.filterHTML);
}
fp.defaultString = name+"."+extension;
var rv = fp.show();
if (rv == nsIFilePicker.returnOK || rv == nsIFilePicker.returnReplace) {
// open file
var fStream = Components.classes["@mozilla.org/network/file-output-stream;1"].
createInstance(Components.interfaces.nsIFileOutputStream);
fStream.init(fp.file, 0x02 | 0x08 | 0x20, 0o664, 0); // write, create, truncate
return fStream;
} else {
return false;
}
}
}
// Handles the display of a progress indicator
Zotero_File_Interface.Progress = new function() {
this.show = show;
this.close = close;
function show(headline) {
Zotero.showZoteroPaneProgressMeter(headline);
}
function close() {
Zotero.hideZoteroPaneOverlays();
}
}