273 lines
7.9 KiB
JavaScript
273 lines
7.9 KiB
JavaScript
/*
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***** BEGIN LICENSE BLOCK *****
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Copyright © 2009-2011 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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/**
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* Handles UI for lookup panel
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* @namespace
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*/
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var Zotero_Lookup = new function () {
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/**
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* Performs a lookup by DOI, PMID, or ISBN on the given textBox value
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* and adds any items it can.
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*
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* If a childItem is passed, then only one identifier is allowed, the
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* child's library/collection information is used and no attachments are
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* saved for the parent.
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*
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* @param textBox {HTMLElement} - Textbox containing identifiers
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* @param childItem {Zotero.Item|false} - Child item (optional)
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* @param toggleProgress {function} - Callback to toggle progress on/off
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* @returns {Promise<boolean>}
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*/
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this.addItemsFromIdentifier = async function (textBox, childItem, toggleProgress) {
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var identifiers = Zotero.Utilities.extractIdentifiers(textBox.value);
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if (!identifiers.length) {
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Zotero.alert(
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window,
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Zotero.getString("lookup.failure.title"),
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Zotero.getString("lookup.failureToID.description")
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);
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return false;
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}
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else if (childItem && identifiers.length > 1) {
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// Only allow one identifier when creating a parent for a child
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Zotero.alert(
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window,
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Zotero.getString("lookup.failure.title"),
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Zotero.getString("lookup.failureTooMany.description")
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);
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return false;
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}
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var libraryID = false;
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var collections = false;
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if (childItem) {
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libraryID = childItem.libraryID;
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collections = childItem.collections;
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}
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else {
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try {
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libraryID = ZoteroPane.getSelectedLibraryID();
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let collection = ZoteroPane.getSelectedCollection();
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collections = collection ? [collection.id] : false;
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}
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catch (e) {
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/** TODO: handle this **/
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}
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}
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let newItems = false;
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toggleProgress(true);
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await Zotero.Promise.all(identifiers.map(async (identifier) => {
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var translate = new Zotero.Translate.Search();
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translate.setIdentifier(identifier);
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// be lenient about translators
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let translators = await translate.getTranslators();
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translate.setTranslator(translators);
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try {
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newItems = await translate.translate({
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libraryID,
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collections,
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saveAttachments: !childItem
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});
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}
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// Continue with other ids on failure
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catch (e) {
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Zotero.logError(e);
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}
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}));
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toggleProgress(false);
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if (!newItems) {
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Zotero.alert(
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window,
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Zotero.getString("lookup.failure.title"),
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Zotero.getString("lookup.failure.description")
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);
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}
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// TODO: Give indication if some, but not all failed
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return newItems;
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};
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/**
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* Try a lookup and hide popup if successful
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*/
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this.accept = async function (textBox) {
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let newItems = await Zotero_Lookup.addItemsFromIdentifier(
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textBox,
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false,
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on => Zotero_Lookup.toggleProgress(on)
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);
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if (newItems) {
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document.getElementById("zotero-lookup-panel").hidePopup();
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}
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return false;
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};
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this.showPanel = function (button) {
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var panel = document.getElementById('zotero-lookup-panel');
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panel.openPopup(button, "after_start", 16, -2, false, false);
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}
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/**
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* Focuses the field
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*/
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this.onShowing = function (event) {
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// Ignore context menu
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if (event.originalTarget.id != 'zotero-lookup-panel') return;
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document.getElementById("zotero-lookup-panel").style.padding = "10px";
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this.getActivePanel().getElementsByTagName('textbox')[0].focus();
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// Resize arrow box to fit content
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if (Zotero.isMac) {
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let panel = document.getElementById("zotero-lookup-panel");
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let box = panel.firstChild;
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panel.sizeTo(box.scrollWidth, box.scrollHeight);
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}
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}
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/**
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* Cancels the popup and resets fields
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*/
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this.onHidden = function (event) {
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// Ignore context menu
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if (event.originalTarget.id != 'zotero-lookup-panel') return;
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document.getElementById("zotero-lookup-textbox").value = "";
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document.getElementById("zotero-lookup-multiline-textbox").value = "";
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Zotero_Lookup.toggleProgress(false);
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// Revert to single-line when closing
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this.toggleMultiline(false);
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}
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this.getActivePanel = function() {
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var mlPanel = document.getElementById("zotero-lookup-multiline");
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if (mlPanel.collapsed) return document.getElementById("zotero-lookup-singleLine");
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return mlPanel;
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}
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/**
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* Handles a key press
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*/
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this.onKeyPress = function(event, textBox) {
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var keyCode = event.keyCode;
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//use enter to start search, shift+enter to insert a new line. Flipped in multiline mode
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var multiline = textBox.getAttribute('multiline');
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var search = multiline ? event.shiftKey : !event.shiftKey;
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if(keyCode === 13 || keyCode === 14) {
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if(search) {
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Zotero_Lookup.accept(textBox);
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event.stopImmediatePropagation();
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} else if(!multiline) { //switch to multiline
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var mlTextbox = Zotero_Lookup.toggleMultiline(true);
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mlTextbox.value = mlTextbox.value.trim() !== '' ? mlTextbox.value + '\n' : '';
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}
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} else if(keyCode == event.DOM_VK_ESCAPE) {
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document.getElementById("zotero-lookup-panel").hidePopup();
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}
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return true;
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}
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this.onInput = function (event, textbox) {
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this.adjustTextbox(textbox);
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};
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/**
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* Converts the textbox to multiline if newlines are detected
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*/
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this.adjustTextbox = function (textbox) {
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if (textbox.value.trim().match(/[\r\n]/)) {
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Zotero_Lookup.toggleMultiline(true);
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}
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// Since we ignore trailing and leading newlines, we should also trim them for display
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// can't use trim, because then we cannot add leading/trailing spaces to the single line textbox
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else {
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textbox.value = textbox.value.replace(/^([ \t]*[\r\n]+[ \t]*)+|([ \t]*[\r\n]+[ \t]*)+$/g,"");
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}
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}
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/**
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* Performs the switch to multiline textbox and returns that textbox
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*/
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this.toggleMultiline = function(on) {
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var mlPanel = document.getElementById("zotero-lookup-multiline");
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var mlTxtBox = document.getElementById("zotero-lookup-multiline-textbox");
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var slPanel = document.getElementById("zotero-lookup-singleLine");
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var slTxtBox = document.getElementById("zotero-lookup-textbox");
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var source = on ? slTxtBox : mlTxtBox;
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var dest = on ? mlTxtBox : slTxtBox;
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//copy over the value
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dest.value = source.value;
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//switch textboxes
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mlPanel.setAttribute("collapsed", !on);
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slPanel.setAttribute("collapsed", !!on);
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// Resize arrow box to fit content -- also done in onShowing()
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if(Zotero.isMac) {
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var panel = document.getElementById("zotero-lookup-panel");
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var box = panel.firstChild;
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panel.sizeTo(box.scrollWidth, box.scrollHeight);
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}
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dest.focus();
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return dest;
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}
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this.toggleProgress = function(on) {
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// In Firefox 52.6.0, progressmeters burn CPU at idle on Linux when undetermined, even
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// if they're hidden. (Being hidden is enough on macOS.)
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var mode = on ? 'undetermined' : 'determined';
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//single line
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var txtBox = document.getElementById("zotero-lookup-textbox");
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txtBox.style.opacity = on ? 0.5 : 1;
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txtBox.disabled = !!on;
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var p1 = document.getElementById("zotero-lookup-progress");
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p1.mode = mode;
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//multiline
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document.getElementById("zotero-lookup-multiline-textbox").disabled = !!on;
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var p2 = document.getElementById("zotero-lookup-multiline-progress");
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p2.mode = mode;
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p2.hidden = !on;
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}
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}
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