635 lines
20 KiB
JavaScript
635 lines
20 KiB
JavaScript
/*
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***** BEGIN LICENSE BLOCK *****
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Copyright © 2009 Center for History and New Media
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George Mason University, Fairfax, Virginia, USA
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http://zotero.org
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This file is part of Zotero.
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Zotero is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Zotero is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with Zotero. If not, see <http://www.gnu.org/licenses/>.
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***** END LICENSE BLOCK *****
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*/
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/****Zotero_File_Exporter****
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**
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* A class to handle exporting of items, collections, or the entire library
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**/
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/**
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* Constructs a new Zotero_File_Exporter with defaults
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**/
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var Zotero_File_Exporter = function() {
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this.name = Zotero.getString("fileInterface.exportedItems");
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this.collection = false;
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this.items = false;
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}
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/**
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* Performs the actual export operation
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*
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* @return {Promise}
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**/
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Zotero_File_Exporter.prototype.save = Zotero.Promise.coroutine(function* () {
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var translation = new Zotero.Translate.Export();
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var translators = yield translation.getTranslators();
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// present options dialog
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var io = {translators:translators}
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window.openDialog("chrome://zotero/content/exportOptions.xul",
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"_blank", "chrome,modal,centerscreen,resizable=no", io);
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if(!io.selectedTranslator) {
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return false;
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}
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const nsIFilePicker = Components.interfaces.nsIFilePicker;
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var fp = Components.classes["@mozilla.org/filepicker;1"]
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.createInstance(nsIFilePicker);
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fp.init(window, Zotero.getString("fileInterface.export"), nsIFilePicker.modeSave);
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// set file name and extension
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if(io.displayOptions.exportFileData) {
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// if the result will be a folder, don't append any extension or use
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// filters
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fp.defaultString = this.name;
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fp.appendFilters(Components.interfaces.nsIFilePicker.filterAll);
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} else {
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// if the result will be a file, append an extension and use filters
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fp.defaultString = this.name+(io.selectedTranslator.target ? "."+io.selectedTranslator.target : "");
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fp.defaultExtension = io.selectedTranslator.target;
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fp.appendFilter(io.selectedTranslator.label, "*."+(io.selectedTranslator.target ? io.selectedTranslator.target : "*"));
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}
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var rv = fp.show();
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if (rv != nsIFilePicker.returnOK && rv != nsIFilePicker.returnReplace) {
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return;
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}
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if(this.collection) {
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translation.setCollection(this.collection);
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} else if(this.items) {
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translation.setItems(this.items);
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} else if(this.libraryID === undefined) {
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throw new Error('No export configured');
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} else {
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translation.setLibraryID(this.libraryID);
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}
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translation.setLocation(fp.file);
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translation.setTranslator(io.selectedTranslator);
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translation.setDisplayOptions(io.displayOptions);
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translation.setHandler("itemDone", function () {
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Zotero.updateZoteroPaneProgressMeter(translation.getProgress());
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});
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translation.setHandler("done", this._exportDone);
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Zotero_File_Interface.Progress.show(
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Zotero.getString("fileInterface.itemsExported")
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);
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translation.translate()
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});
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/*
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* Closes the items exported indicator
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*/
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Zotero_File_Exporter.prototype._exportDone = function(obj, worked) {
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Zotero_File_Interface.Progress.close();
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if(!worked) {
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window.alert(Zotero.getString("fileInterface.exportError"));
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}
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}
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/****Zotero_File_Interface****
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**
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* A singleton to interface with ZoteroPane to provide export/bibliography
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* capabilities
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**/
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var Zotero_File_Interface = new function() {
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var _unlock;
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this.exportCollection = exportCollection;
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this.exportItemsToClipboard = exportItemsToClipboard;
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this.exportItems = exportItems;
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this.bibliographyFromCollection = bibliographyFromCollection;
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this.bibliographyFromItems = bibliographyFromItems;
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/**
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* Creates Zotero.Translate instance and shows file picker for file export
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*
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* @return {Promise}
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*/
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this.exportFile = Zotero.Promise.method(function () {
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var exporter = new Zotero_File_Exporter();
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exporter.libraryID = ZoteroPane_Local.getSelectedLibraryID();
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if (exporter.libraryID === false) {
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throw new Error('No library selected');
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}
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exporter.name = Zotero.Libraries.getName(exporter.libraryID);
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return exporter.save();
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});
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/*
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* exports a collection or saved search
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*/
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function exportCollection() {
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var exporter = new Zotero_File_Exporter();
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var collection = ZoteroPane_Local.getSelectedCollection();
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if(collection) {
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exporter.name = collection.getName();
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exporter.collection = collection;
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} else {
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// find sorted items
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exporter.items = ZoteroPane_Local.getSortedItems();
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if(!exporter.items) throw ("No items to save");
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// find name
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var search = ZoteroPane_Local.getSelectedSavedSearch();
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if(search) {
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exporter.name = search.name;
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}
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}
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exporter.save();
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}
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/*
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* exports items
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*/
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function exportItems() {
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var exporter = new Zotero_File_Exporter();
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exporter.items = ZoteroPane_Local.getSelectedItems();
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if(!exporter.items || !exporter.items.length) throw("no items currently selected");
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exporter.save();
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}
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/*
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* exports items to clipboard
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*/
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function exportItemsToClipboard(items, translatorID) {
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var translation = new Zotero.Translate.Export();
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translation.setItems(items);
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translation.setTranslator(translatorID);
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translation.setHandler("done", _copyToClipboard);
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translation.translate();
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}
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/*
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* handler when done exporting items to clipboard
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*/
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function _copyToClipboard(obj, worked) {
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if(!worked) {
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window.alert(Zotero.getString("fileInterface.exportError"));
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} else {
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Components.classes["@mozilla.org/widget/clipboardhelper;1"]
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.getService(Components.interfaces.nsIClipboardHelper)
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.copyString(obj.string.replace(/\r\n/g, "\n"));
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}
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}
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/**
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* Creates Zotero.Translate instance and shows file picker for file import
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*/
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this.importFile = Zotero.Promise.coroutine(function* (file, createNewCollection) {
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if(createNewCollection === undefined) {
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createNewCollection = true;
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} else if(!createNewCollection) {
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try {
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if (!ZoteroPane.collectionsView.editable) {
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ZoteroPane.collectionsView.selectLibrary(null);
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}
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} catch(e) {}
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}
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var translation = new Zotero.Translate.Import();
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if (!file) {
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let translators = yield translation.getTranslators();
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const nsIFilePicker = Components.interfaces.nsIFilePicker;
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var fp = Components.classes["@mozilla.org/filepicker;1"]
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.createInstance(nsIFilePicker);
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fp.init(window, Zotero.getString("fileInterface.import"), nsIFilePicker.modeOpen);
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fp.appendFilters(nsIFilePicker.filterAll);
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var collation = Zotero.getLocaleCollation();
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translators.sort((a, b) => collation.compareString(1, a.label, b.label))
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for (let translator of translators) {
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fp.appendFilter(translator.label, "*." + translator.target);
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}
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var rv = fp.show();
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if (rv !== nsIFilePicker.returnOK && rv !== nsIFilePicker.returnReplace) {
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return false;
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}
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file = fp.file;
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}
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translation.setLocation(file);
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yield _finishImport(translation, createNewCollection);
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});
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/**
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* Imports from clipboard
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*/
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this.importFromClipboard = Zotero.Promise.coroutine(function* () {
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var str = Zotero.Utilities.Internal.getClipboard("text/unicode");
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if(!str) {
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var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
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.getService(Components.interfaces.nsIPromptService);
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ps.alert(null, "", Zotero.getString('fileInterface.importClipboardNoDataError'));
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}
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var translation = new Zotero.Translate.Import();
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translation.setString(str);
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try {
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if (!ZoteroPane.collectionsView.editable) {
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yield ZoteroPane.collectionsView.selectLibrary();
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}
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} catch(e) {}
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yield _finishImport(translation, false);
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// Select imported items
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try {
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if (translation.newItems) {
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ZoteroPane.itemsView.selectItems(translation.newItems.map(item => item.id));
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}
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}
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catch (e) {
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Zotero.logError(e, 2);
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}
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});
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var _finishImport = Zotero.Promise.coroutine(function* (translation, createNewCollection) {
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let translators = yield translation.getTranslators();
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if(!translators.length) {
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var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
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.getService(Components.interfaces.nsIPromptService);
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var buttonFlags = (ps.BUTTON_POS_0) * (ps.BUTTON_TITLE_OK)
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+ (ps.BUTTON_POS_1) * (ps.BUTTON_TITLE_IS_STRING);
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var index = ps.confirmEx(
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null,
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"",
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Zotero.getString("fileInterface.unsupportedFormat"),
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buttonFlags,
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null,
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Zotero.getString("fileInterface.viewSupportedFormats"),
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null, null, {}
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);
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if (index == 1) {
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ZoteroPane_Local.loadURI("http://zotero.org/support/kb/importing");
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}
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return;
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}
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let importCollection = null, libraryID = Zotero.Libraries.userLibraryID;
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try {
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libraryID = ZoteroPane.getSelectedLibraryID();
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importCollection = ZoteroPane.getSelectedCollection();
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} catch(e) {}
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if(createNewCollection) {
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// Create a new collection to take imported items
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let collectionName;
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if(translation.location instanceof Components.interfaces.nsIFile) {
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let leafName = translation.location.leafName;
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collectionName = (translation.location.isDirectory() || leafName.indexOf(".") === -1 ? leafName
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: leafName.substr(0, leafName.lastIndexOf(".")));
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let allCollections = Zotero.Collections.getByLibrary(libraryID);
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for(var i=0; i<allCollections.length; i++) {
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if(allCollections[i].name == collectionName) {
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collectionName += " "+(new Date()).toLocaleString();
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break;
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}
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}
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} else {
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collectionName = Zotero.getString("fileInterface.imported")+" "+(new Date()).toLocaleString();
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}
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importCollection = new Zotero.Collection;
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importCollection.libraryID = libraryID;
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importCollection.name = collectionName;
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yield importCollection.saveTx();
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}
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translation.setTranslator(translators[0]);
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// TODO: Restore a progress meter
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/*translation.setHandler("itemDone", function () {
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Zotero.updateZoteroPaneProgressMeter(translation.getProgress());
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});*/
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yield Zotero.Promise.delay(0);
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let failed = false;
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try {
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yield translation.translate({
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libraryID,
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collections: importCollection ? [importCollection.id] : null
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});
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} catch(e) {
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Zotero.logError(e);
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window.alert(Zotero.getString("fileInterface.importError"));
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return;
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}
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// Show popup on completion
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var numItems = translation.newItems.length;
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var progressWin = new Zotero.ProgressWindow();
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progressWin.changeHeadline(Zotero.getString('fileInterface.importComplete'));
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if (numItems == 1) {
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var icon = translation.newItems[0].getImageSrc();
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}
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else {
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var icon = 'chrome://zotero/skin/treesource-unfiled' + (Zotero.hiDPI ? "@2x" : "") + '.png';
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}
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var title = Zotero.getString(`fileInterface.itemsWereImported`, numItems, numItems);
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progressWin.addLines(title, icon)
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progressWin.show();
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progressWin.startCloseTimer();
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});
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/*
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* Creates a bibliography from a collection or saved search
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*/
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function bibliographyFromCollection() {
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// find sorted items
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var items = Zotero.Items.get(ZoteroPane_Local.getSortedItems(true));
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if(!items) return;
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// find name
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var name = false;
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var collection = ZoteroPane_Local.getSelectedCollection();
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if(collection) {
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name = collection.getName();
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} else {
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var searchRef = ZoteroPane_Local.getSelectedSavedSearch();
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if(searchRef) {
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var search = new Zotero.Search();
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search.id = searchRef.id;
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name = search.name;
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}
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}
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_doBibliographyOptions(name, items);
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return;
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throw ("No collection or saved search currently selected");
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}
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/*
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* Creates a bibliography from a items
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*/
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function bibliographyFromItems() {
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var items = ZoteroPane_Local.getSelectedItems();
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if(!items || !items.length) throw("no items currently selected");
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_doBibliographyOptions(Zotero.getString("fileInterface.untitledBibliography"), items);
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}
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/**
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* Copies HTML and text citations or bibliography entries for passed items in given style
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*
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* Does not check that items are actual references (and not notes or attachments)
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*
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* @param {Zotero.Item[]} items
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* @param {String} style - Style id string (e.g., 'http://www.zotero.org/styles/apa')
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* @param {String} locale - Locale (e.g., 'en-US')
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* @param {Boolean} [asHTML=false] - Use HTML source for plain-text data
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* @param {Boolean} [asCitations=false] - Copy citation cluster instead of bibliography
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*/
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this.copyItemsToClipboard = function (items, style, locale, asHTML, asCitations) {
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// copy to clipboard
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var transferable = Components.classes["@mozilla.org/widget/transferable;1"].
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createInstance(Components.interfaces.nsITransferable);
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var clipboardService = Components.classes["@mozilla.org/widget/clipboard;1"].
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getService(Components.interfaces.nsIClipboard);
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style = Zotero.Styles.get(style);
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var cslEngine = style.getCiteProc(locale);
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if (asCitations) {
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cslEngine.updateItems(items.map(item => item.id));
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var citation = {
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citationItems: items.map(item => ({ id: item.id })),
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properties: {}
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};
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var output = cslEngine.previewCitationCluster(citation, [], [], "html");
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}
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else {
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var output = Zotero.Cite.makeFormattedBibliographyOrCitationList(cslEngine, items, "html");
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}
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// add HTML
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var str = Components.classes["@mozilla.org/supports-string;1"].
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createInstance(Components.interfaces.nsISupportsString);
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str.data = output;
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transferable.addDataFlavor("text/html");
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transferable.setTransferData("text/html", str, output.length * 2);
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// If not "Copy as HTML", add plaintext; otherwise use HTML from above and just mark as text
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if(!asHTML) {
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if (asCitations) {
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output = cslEngine.previewCitationCluster(citation, [], [], "text");
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}
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else {
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// Generate engine again to work around citeproc-js problem:
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// https://github.com/zotero/zotero/commit/4a475ff3
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cslEngine = style.getCiteProc(locale);
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output = Zotero.Cite.makeFormattedBibliographyOrCitationList(cslEngine, items, "text");
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}
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}
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var str = Components.classes["@mozilla.org/supports-string;1"].
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createInstance(Components.interfaces.nsISupportsString);
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str.data = output;
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transferable.addDataFlavor("text/unicode");
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transferable.setTransferData("text/unicode", str, output.length * 2);
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clipboardService.setData(transferable, null, Components.interfaces.nsIClipboard.kGlobalClipboard);
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}
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/*
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* Shows bibliography options and creates a bibliography
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*/
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function _doBibliographyOptions(name, items) {
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// make sure at least one item is not a standalone note or attachment
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var haveRegularItem = false;
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for (let item of items) {
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if (item.isRegularItem()) {
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haveRegularItem = true;
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break;
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}
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}
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if (!haveRegularItem) {
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window.alert(Zotero.getString("fileInterface.noReferencesError"));
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return;
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}
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var io = new Object();
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var newDialog = window.openDialog("chrome://zotero/content/bibliography.xul",
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"_blank","chrome,modal,centerscreen", io);
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if(!io.method) return;
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// determine output format
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var format = "html";
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if(io.method == "save-as-rtf") {
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format = "rtf";
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}
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// determine locale preference
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var locale = io.locale;
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// generate bibliography
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try {
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if(io.method == 'copy-to-clipboard') {
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Zotero_File_Interface.copyItemsToClipboard(items, io.style, locale, false, io.mode === "citations");
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}
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else {
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var style = Zotero.Styles.get(io.style);
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var cslEngine = style.getCiteProc(locale);
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var bibliography = Zotero.Cite.makeFormattedBibliographyOrCitationList(cslEngine,
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items, format, io.mode === "citations");
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}
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} catch(e) {
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window.alert(Zotero.getString("fileInterface.bibliographyGenerationError"));
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throw(e);
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}
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if(io.method == "print") {
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// printable bibliography, using a hidden browser
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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) {
|
|
// savable 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, 0664, 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();
|
|
}
|
|
}
|