933 lines
26 KiB
JavaScript
933 lines
26 KiB
JavaScript
/*
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***** BEGIN LICENSE BLOCK *****
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Copyright (c) 2006 Center for History and New Media
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George Mason University, Fairfax, Virginia, USA
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http://chnm.gmu.edu
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Licensed under the Educational Community License, Version 1.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.opensource.org/licenses/ecl1.php
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Based on nsChromeExtensionHandler example code by Ed Anuff at
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http://kb.mozillazine.org/Dev_:_Extending_the_Chrome_Protocol
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***** END LICENSE BLOCK *****
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*/
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const ZOTERO_SCHEME = "zotero";
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const ZOTERO_PROTOCOL_CID = Components.ID("{9BC3D762-9038-486A-9D70-C997AF848A7C}");
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const ZOTERO_PROTOCOL_CONTRACTID = "@mozilla.org/network/protocol;1?name=" + ZOTERO_SCHEME;
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const ZOTERO_PROTOCOL_NAME = "Zotero Chrome Extension Protocol";
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// Dummy chrome URL used to obtain a valid chrome channel
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// This one was chosen at random and should be able to be substituted
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// for any other well known chrome URL in the browser installation
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const DUMMY_CHROME_URL = "chrome://mozapps/content/xpinstall/xpinstallConfirm.xul";
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function ChromeExtensionHandler() {
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this.wrappedJSObject = this;
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this._systemPrincipal = null;
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this._extensions = {};
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/*
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* Report generation extension for Zotero protocol
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*
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* Example URLs:
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*
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* zotero://report/ -- library
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* zotero://report/collection/12345
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* zotero://report/search/12345
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* zotero://report/items/12345-23456-34567
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* zotero://report/item/12345
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*
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* Optional format can be specified after ids
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*
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* - 'html', 'rtf', 'csv'
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* - defaults to 'html' if not specified
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*
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* e.g. zotero://report/collection/12345/rtf
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*
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*
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* Sorting:
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*
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* - 'sort' query string variable
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* - format is field[/order] [, field[/order], ...]
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* - order can be 'asc', 'a', 'desc' or 'd'; defaults to ascending order
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*
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* zotero://report/collection/13245?sort=itemType/d,title
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*/
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var ReportExtension = new function(){
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this.newChannel = newChannel;
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this.__defineGetter__('loadAsChrome', function () { return false; });
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function newChannel(uri){
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var ioService = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var Zotero = Components.classes["@zotero.org/Zotero;1"]
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.getService(Components.interfaces.nsISupports)
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.wrappedJSObject;
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generateContent:try {
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var mimeType, content = '';
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var [path, queryString] = uri.path.substr(1).split('?');
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var [type, ids, format] = path.split('/');
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// Get query string variables
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if (queryString) {
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var queryVars = queryString.split('&');
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for (var i in queryVars) {
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var [key, val] = queryVars[i].split('=');
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switch (key) {
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case 'sort':
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var sortBy = val;
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break;
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}
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}
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}
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switch (type){
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case 'collection':
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var col = Zotero.Collections.get(ids);
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var results = col.getChildItems();
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break;
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case 'search':
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var s = new Zotero.Search();
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s.id = ids;
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ids = s.search();
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break;
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case 'items':
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case 'item':
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ids = ids.split('-');
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break;
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default:
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// Proxy CSS files
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if (type.match(/^detail.*\.css$/)) {
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var chromeURL = 'chrome://zotero/skin/report/' + type;
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var ios = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var uri = ios.newURI(chromeURL, null, null);
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var chromeReg = Components.classes["@mozilla.org/chrome/chrome-registry;1"]
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.getService(Components.interfaces.nsIChromeRegistry);
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var fileURI = chromeReg.convertChromeURL(uri);
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var ph = Components.classes["@mozilla.org/network/protocol;1?name=file"]
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.createInstance(Components.interfaces.nsIFileProtocolHandler);
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var channel = ioService.newChannelFromURI(fileURI);
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return channel;
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}
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// Display all items
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var type = 'library';
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var s = new Zotero.Search();
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s.addCondition('noChildren', 'true');
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var ids = s.search();
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}
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if (!results) {
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var results = Zotero.Items.get(ids);
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if (!results) {
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mimeType = 'text/html';
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content = 'Invalid ID';
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break generateContent;
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}
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}
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var items = [];
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var itemsHash = {}; // key = itemID, val = position in |items|
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var searchItemIDs = {}; // hash of all selected items
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var searchParentIDs = {}; // hash of parents of selected child items
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var searchChildIDs = {}; // hash of selected chlid items
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var includeAllChildItems = Zotero.Prefs.get('report.includeAllChildItems');
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var combineChildItems = Zotero.Prefs.get('report.combineChildItems');
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var unhandledParents = {};
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for (var i=0; i<results.length; i++) {
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// Don't add child items directly
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// (instead mark their parents for inclusion below)
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var sourceItemID = results[i].getSource();
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if (sourceItemID) {
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searchParentIDs[sourceItemID] = true;
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searchChildIDs[results[i].getID()] = true;
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// Don't include all child items if any child
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// items were selected
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includeAllChildItems = false;
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}
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// If combining children or standalone note/attachment, add matching parents
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else if (combineChildItems || !results[i].isRegularItem()
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|| results[i].numChildren() == 0) {
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itemsHash[results[i].getID()] = [items.length];
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items.push(results[i].toArray(2));
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// Flag item as a search match
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items[items.length - 1].reportSearchMatch = true;
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}
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else {
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unhandledParents[i] = true;
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}
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searchItemIDs[results[i].getID()] = true;
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}
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// If including all child items, add children of all matched
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// parents to the child array
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if (includeAllChildItems) {
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for (var id in searchItemIDs) {
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if (!searchChildIDs[id]) {
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var children = [];
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var item = Zotero.Items.get(id);
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if (!item.isRegularItem()) {
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continue;
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}
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var func = function (ids) {
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if (ids) {
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for (var i=0; i<ids.length; i++) {
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searchChildIDs[ids[i]] = true;
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}
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}
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};
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func(item.getNotes());
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func(item.getAttachments());
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}
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}
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}
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// If not including all children, add matching parents,
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// in case they don't have any matching children below
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else {
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for (var i in unhandledParents) {
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itemsHash[results[i].id] = [items.length];
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items.push(results[i].toArray(2));
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// Flag item as a search match
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items[items.length - 1].reportSearchMatch = true;
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}
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}
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if (combineChildItems) {
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// Add parents of matches if parents aren't matches themselves
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for (var id in searchParentIDs) {
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if (!searchItemIDs[id] && !itemsHash[id]) {
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var item = Zotero.Items.get(id);
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itemsHash[id] = items.length;
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items.push(item.toArray(2));
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}
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}
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// Add children to reportChildren property of parents
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for (var id in searchChildIDs) {
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var item = Zotero.Items.get(id);
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var parentItemID = item.getSource();
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if (!items[itemsHash[parentItemID]].reportChildren) {
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items[itemsHash[parentItemID]].reportChildren = {
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notes: [],
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attachments: []
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};
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}
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if (item.isNote()) {
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items[itemsHash[parentItemID]].reportChildren.notes.push(item.toArray());
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}
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if (item.isAttachment()) {
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items[itemsHash[parentItemID]].reportChildren.attachments.push(item.toArray());
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}
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}
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}
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// If not combining children, add a parent/child pair
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// for each matching child
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else {
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for (var id in searchChildIDs) {
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var item = Zotero.Items.get(id);
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var parentID = item.getSource();
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var parentItem = Zotero.Items.get(parentID);
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if (!itemsHash[parentID]) {
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// If parent is a search match and not yet added,
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// add on its own
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if (searchItemIDs[parentID]) {
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itemsHash[parentID] = [items.length];
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items.push(parentItem.toArray(2));
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items[items.length - 1].reportSearchMatch = true;
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}
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else {
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itemsHash[parentID] = [];
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}
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}
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// Now add parent and child
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itemsHash[parentID].push(items.length);
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items.push(parentItem.toArray(2));
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if (item.isNote()) {
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items[items.length - 1].reportChildren = {
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notes: [item.toArray()],
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attachments: []
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};
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}
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else if (item.isAttachment()) {
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items[items.length - 1].reportChildren = {
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notes: [],
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attachments: [item.toArray()]
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};
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}
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}
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}
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// Sort items
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if (!sortBy) {
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sortBy = 'title';
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}
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var sorts = sortBy.split(',');
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for (var i=0; i<sorts.length; i++) {
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var [field, order] = sorts[i].split('/');
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// Year field is really date field
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if (field == 'year') {
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field = 'date';
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}
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switch (order) {
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case 'd':
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case 'desc':
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order = -1;
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break;
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default:
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order = 1;
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}
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sorts[i] = {
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field: field,
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order: order
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};
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}
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var collation = Zotero.getLocaleCollation();
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var compareFunction = function(a, b) {
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var index = 0;
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// Multidimensional sort
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do {
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// In combineChildItems, use note or attachment as item
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if (!combineChildItems) {
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if (a.reportChildren) {
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if (a.reportChildren.notes.length) {
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a = a.reportChildren.notes[0];
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}
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else {
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a = a.reportChildren.attachments[0];
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}
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}
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if (b.reportChildren) {
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if (b.reportChildren.notes.length) {
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b = b.reportChildren.notes[0];
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}
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else {
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b = b.reportChildren.attachments[0];
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}
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}
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}
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var valA, valB;
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if (sorts[index].field == 'title') {
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// For notes, use content for 'title'
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if (a.itemType == 'note') {
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valA = a.note;
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}
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else {
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valA = a.title;
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}
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if (b.itemType == 'note') {
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valB = b.note;
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}
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else {
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valB = b.title;
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}
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valA = Zotero.Items.getSortTitle(valA);
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valB = Zotero.Items.getSortTitle(valB);
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}
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else {
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var valA = a[sorts[index].field];
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var valB = b[sorts[index].field];
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}
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// Put empty values last
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if (!valA && valB) {
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var cmp = 1;
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}
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else if (valA && !valB) {
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var cmp = -1;
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}
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else {
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var cmp = collation.compareString(0, valA, valB);
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}
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var result = 0;
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if (cmp != 0) {
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result = cmp * sorts[index].order;
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}
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index++;
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}
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while (result == 0 && sorts[index]);
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return result;
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};
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items.sort(compareFunction);
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for (var i in items) {
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if (items[i].reportChildren) {
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items[i].reportChildren.notes.sort(compareFunction);
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items[i].reportChildren.attachments.sort(compareFunction);
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}
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}
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// Pass off to the appropriate handler
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switch (format){
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case 'rtf':
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mimeType = 'text/rtf';
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break;
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case 'csv':
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mimeType = 'text/plain';
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break;
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default:
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format = 'html';
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mimeType = 'application/xhtml+xml';
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content = Zotero.Report.generateHTMLDetails(items, combineChildItems);
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}
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}
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catch (e){
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Zotero.debug(e);
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throw (e);
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}
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var uri_str = 'data:' + (mimeType ? mimeType + ',' : '') + encodeURIComponent(content);
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var ext_uri = ioService.newURI(uri_str, null, null);
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var extChannel = ioService.newChannelFromURI(ext_uri);
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return extChannel;
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}
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};
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var TimelineExtension = new function(){
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this.newChannel = newChannel;
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this.__defineGetter__('loadAsChrome', function () { return true; });
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/*
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queryString key abbreviations: intervals = i | dateType = t | timelineDate = d
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interval abbreviations: day = d | month = m | year = y | decade = e | century = c | millennium = i
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dateType abbreviations: date = d | dateAdded = da | dateModified = dm
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timelineDate format: shortMonthName.day.year (year is positive for A.D. and negative for B.C.)
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zotero://timeline -----> creates HTML for timeline
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(defaults: type = library | intervals = month, year, decade | timelineDate = today's date | dateType = date)
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Example URLs:
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zotero://timeline/library?i=yec
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zotero://timeline/collection/12345?t=da&d=Jul.24.2008
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zotero://timeline/search/54321?d=Dec.1.-500&i=dmy&t=d
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zotero://timeline/data ----->creates XML file
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(defaults: type = library | dateType = date)
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Example URLs:
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zotero://timeline/data/library?t=da
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zotero://timeline/data/collection/12345
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zotero://timeline/data/search/54321?t=dm
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*/
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function newChannel(uri) {
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var ioService = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var Zotero = Components.classes["@zotero.org/Zotero;1"]
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.getService(Components.interfaces.nsISupports)
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.wrappedJSObject;
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generateContent:try {
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var mimeType, content = '';
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var [path, queryString] = uri.path.substr(1).split('?');
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var [intervals, timelineDate, dateType] = ['','',''];
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if (queryString) {
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var queryVars = queryString.split('&');
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for (var i in queryVars) {
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var [key, val] = queryVars[i].split('=');
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if(val) {
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switch (key) {
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case 'i':
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intervals = val;
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break;
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case 'd':
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timelineDate = val;
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break;
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case 't':
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dateType = val;
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break;
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}
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}
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}
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}
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var pathParts = path.split('/');
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if (pathParts[0] != 'data') {
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//creates HTML file
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content = Zotero.File.getContentsFromURL('chrome://zotero/skin/timeline/timeline.html');
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mimeType = 'text/html';
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var [type, id] = pathParts;
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if(!timelineDate){
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timelineDate=Date();
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var dateParts=timelineDate.toString().split(' ');
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timelineDate=dateParts[1]+'.'+dateParts[2]+'.'+dateParts[3];
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}
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if (intervals.length < 3) {
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intervals += "mye".substr(intervals.length);
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}
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var theIntervals = new Object();
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theIntervals['d'] = 'Timeline.DateTime.DAY';
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theIntervals['m'] = 'Timeline.DateTime.MONTH';
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theIntervals['y'] = 'Timeline.DateTime.YEAR';
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theIntervals['e'] = 'Timeline.DateTime.DECADE';
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theIntervals['c'] = 'Timeline.DateTime.CENTURY';
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theIntervals['i'] = 'Timeline.DateTime.MILLENNIUM';
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//sets the intervals of the timeline bands
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var theTemp = '<body onload="onLoad(';
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var a = (theIntervals[intervals[0]]) ? theIntervals[intervals[0]] : 'Timeline.DateTime.MONTH';
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var b = (theIntervals[intervals[1]]) ? theIntervals[intervals[1]] : 'Timeline.DateTime.YEAR';
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var c = (theIntervals[intervals[2]]) ? theIntervals[intervals[2]] : 'Timeline.DateTime.DECADE';
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content = content.replace(theTemp, theTemp + a + ',' + b + ',' + c + ',\'' + timelineDate + '\'');
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theTemp = 'document.write("<title>';
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if(type == 'collection') {
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var theCollection = Zotero.Collections.get(id);
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content = content.replace(theTemp, theTemp + theCollection.getName() + ' - ');
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}
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else if(type == 'search') {
|
|
var theSearch = Zotero.Searches.get(id);
|
|
content = content.replace(theTemp, theTemp + theSearch['name'] + ' - ');
|
|
}
|
|
else {
|
|
content = content.replace(theTemp, theTemp + Zotero.getString('pane.collections.library') + ' - ');
|
|
}
|
|
|
|
theTemp = 'Timeline.loadXML("zotero://timeline/data/';
|
|
var d = '';
|
|
//passes information (type,ids, dateType) for when the XML is created
|
|
if(!type || (type != 'collection' && type != 'search')) {
|
|
d += 'library';
|
|
}
|
|
else {
|
|
d += type + '/' + id;
|
|
}
|
|
|
|
if(dateType) {
|
|
d += '?t=' + dateType;
|
|
}
|
|
|
|
content = content.replace(theTemp, theTemp + d);
|
|
|
|
|
|
var uri_str = 'data:' + (mimeType ? mimeType + ',' : '') + encodeURIComponent(content);
|
|
var ext_uri = ioService.newURI(uri_str, null, null);
|
|
var extChannel = ioService.newChannelFromURI(ext_uri);
|
|
|
|
return extChannel;
|
|
}
|
|
else {
|
|
//creates XML file
|
|
var [, type, ids] = pathParts;
|
|
|
|
switch (type){
|
|
case 'collection':
|
|
var col = Zotero.Collections.get(ids);
|
|
var results = col.getChildItems();
|
|
break;
|
|
|
|
case 'search':
|
|
var s = new Zotero.Search();
|
|
s.id = ids;
|
|
var ids = s.search();
|
|
break;
|
|
|
|
default:
|
|
type = 'library';
|
|
var s = new Zotero.Search();
|
|
s.addCondition('noChildren', 'true');
|
|
var ids = s.search();
|
|
}
|
|
|
|
if (!results) {
|
|
var results = Zotero.Items.get(ids);
|
|
}
|
|
var items = [];
|
|
// Only include parent items
|
|
for (var i = 0; i < results.length; i++) {
|
|
if (!results[i].getSource()) {
|
|
items.push(results[i]);
|
|
}
|
|
}
|
|
|
|
if (!items) {
|
|
mimeType = 'text/html';
|
|
content = 'Invalid ID';
|
|
break generateContent;
|
|
}
|
|
|
|
// Convert item objects to export arrays
|
|
for (var i = 0; i < items.length; i++) {
|
|
items[i] = items[i].toArray();
|
|
}
|
|
|
|
mimeType = 'application/xml';
|
|
|
|
|
|
var theDateTypes = new Object();
|
|
theDateTypes['d'] = 'date';
|
|
theDateTypes['da'] = 'dateAdded';
|
|
theDateTypes['dm'] = 'dateModified';
|
|
|
|
//default dateType = date
|
|
if (!dateType || !theDateTypes[dateType]) {
|
|
dateType = 'd';
|
|
}
|
|
|
|
content = Zotero.Timeline.generateXMLDetails(items, theDateTypes[dateType]);
|
|
|
|
}
|
|
|
|
var uri_str = 'data:' + (mimeType ? mimeType + ',' : '') + encodeURIComponent(content);
|
|
var ext_uri = ioService.newURI(uri_str, null, null);
|
|
var extChannel = ioService.newChannelFromURI(ext_uri);
|
|
|
|
return extChannel;
|
|
}
|
|
catch (e){
|
|
Zotero.debug(e);
|
|
throw (e);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
zotero://attachment/[id]/
|
|
*/
|
|
var AttachmentExtension = new function() {
|
|
this.newChannel = newChannel;
|
|
|
|
this.__defineGetter__('loadAsChrome', function () { return false; });
|
|
|
|
function newChannel(uri) {
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
|
|
var Zotero = Components.classes["@zotero.org/Zotero;1"]
|
|
.getService(Components.interfaces.nsISupports)
|
|
.wrappedJSObject;
|
|
|
|
try {
|
|
var errorMsg;
|
|
var [id, fileName] = uri.path.substr(1).split('/');
|
|
|
|
if (parseInt(id) != id) {
|
|
// Proxy annotation icons
|
|
if (id.match(/^annotation.*\.(png|html|css|gif)$/)) {
|
|
var chromeURL = 'chrome://zotero/skin/' + id;
|
|
var ios = Components.classes["@mozilla.org/network/io-service;1"].
|
|
getService(Components.interfaces.nsIIOService);
|
|
var uri = ios.newURI(chromeURL, null, null);
|
|
var chromeReg = Components.classes["@mozilla.org/chrome/chrome-registry;1"]
|
|
.getService(Components.interfaces.nsIChromeRegistry);
|
|
var fileURI = chromeReg.convertChromeURL(uri);
|
|
}
|
|
else {
|
|
return _errorChannel("Attachment id not an integer");
|
|
}
|
|
}
|
|
|
|
if (!fileURI) {
|
|
var item = Zotero.Items.get(id);
|
|
if (!item) {
|
|
return _errorChannel("Item not found");
|
|
}
|
|
var file = item.getFile();
|
|
if (!file) {
|
|
return _errorChannel("File not found");
|
|
}
|
|
if (fileName) {
|
|
file = file.parent;
|
|
file.append(fileName);
|
|
if (!file.exists()) {
|
|
return _errorChannel("File not found");
|
|
}
|
|
}
|
|
}
|
|
|
|
var ph = Components.classes["@mozilla.org/network/protocol;1?name=file"].
|
|
createInstance(Components.interfaces.nsIFileProtocolHandler);
|
|
if (!fileURI) {
|
|
var fileURI = ph.newFileURI(file);
|
|
}
|
|
var channel = ioService.newChannelFromURI(fileURI);
|
|
return channel;
|
|
}
|
|
catch (e) {
|
|
Zotero.debug(e);
|
|
throw (e);
|
|
}
|
|
}
|
|
|
|
|
|
function _errorChannel(msg) {
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
var uriStr = 'data:text/plain,' + encodeURIComponent(msg);
|
|
var dataURI = ioService.newURI(uriStr, null, null);
|
|
var channel = ioService.newChannelFromURI(dataURI);
|
|
return channel;
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
zotero://select/type/id
|
|
*/
|
|
var SelectExtension = new function(){
|
|
this.newChannel = newChannel;
|
|
|
|
function newChannel(uri) {
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
|
|
var Zotero = Components.classes["@zotero.org/Zotero;1"]
|
|
.getService(Components.interfaces.nsISupports)
|
|
.wrappedJSObject;
|
|
|
|
generateContent:try {
|
|
var mimeType, content = '';
|
|
|
|
var [path, queryString] = uri.path.substr(1).split('?');
|
|
var [type, id] = path.split('/');
|
|
|
|
//currently only able to select one item
|
|
var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
|
|
.getService(Components.interfaces.nsIWindowMediator);
|
|
var win = wm.getMostRecentWindow(null);
|
|
|
|
if(!win.ZoteroPane.isShowing()){
|
|
win.ZoteroPane.toggleDisplay();
|
|
}
|
|
|
|
win.ZoteroPane.selectItem(id);
|
|
}
|
|
catch (e){
|
|
Zotero.debug(e);
|
|
throw (e);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
var ReportExtensionSpec = ZOTERO_SCHEME + "://report"
|
|
this._extensions[ReportExtensionSpec] = ReportExtension;
|
|
|
|
var TimelineExtensionSpec = ZOTERO_SCHEME + "://timeline"
|
|
this._extensions[TimelineExtensionSpec] = TimelineExtension;
|
|
|
|
var AttachmentExtensionSpec = ZOTERO_SCHEME + "://attachment"
|
|
this._extensions[AttachmentExtensionSpec] = AttachmentExtension;
|
|
|
|
var SelectExtensionSpec = ZOTERO_SCHEME + "://select"
|
|
this._extensions[SelectExtensionSpec] = SelectExtension;
|
|
}
|
|
|
|
|
|
/*
|
|
* Implements nsIProtocolHandler
|
|
*/
|
|
ChromeExtensionHandler.prototype = {
|
|
scheme: ZOTERO_SCHEME,
|
|
|
|
defaultPort : -1,
|
|
|
|
protocolFlags :
|
|
Components.interfaces.nsIProtocolHandler.URI_NORELATIVE |
|
|
Components.interfaces.nsIProtocolHandler.URI_NOAUTH |
|
|
// DEBUG: This should be URI_IS_LOCAL_FILE, and MUST be if any
|
|
// extensions that modify data are added
|
|
// - https://www.zotero.org/trac/ticket/1156
|
|
//
|
|
//Components.interfaces.nsIProtocolHandler.URI_IS_LOCAL_FILE,
|
|
Components.interfaces.nsIProtocolHandler.URI_LOADABLE_BY_ANYONE,
|
|
|
|
allowPort : function(port, scheme) {
|
|
return false;
|
|
},
|
|
|
|
newURI : function(spec, charset, baseURI) {
|
|
var newURL = Components.classes["@mozilla.org/network/standard-url;1"]
|
|
.createInstance(Components.interfaces.nsIStandardURL);
|
|
newURL.init(1, -1, spec, charset, baseURI);
|
|
return newURL.QueryInterface(Components.interfaces.nsIURI);
|
|
},
|
|
|
|
newChannel : function(uri) {
|
|
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
|
.getService(Components.interfaces.nsIIOService);
|
|
|
|
var chromeService = Components.classes["@mozilla.org/network/protocol;1?name=chrome"]
|
|
.getService(Components.interfaces.nsIProtocolHandler);
|
|
|
|
var newChannel = null;
|
|
|
|
try {
|
|
var uriString = uri.spec.toLowerCase();
|
|
|
|
for (var extSpec in this._extensions) {
|
|
var ext = this._extensions[extSpec];
|
|
|
|
if (uriString.indexOf(extSpec) == 0) {
|
|
if (ext.loadAsChrome && this._systemPrincipal == null) {
|
|
var chromeURI = chromeService.newURI(DUMMY_CHROME_URL, null, null);
|
|
var chromeChannel = chromeService.newChannel(chromeURI);
|
|
|
|
// Cache System Principal from chrome request
|
|
// so proxied pages load with chrome privileges
|
|
this._systemPrincipal = chromeChannel.owner;
|
|
|
|
var chromeRequest = chromeChannel.QueryInterface(Components.interfaces.nsIRequest);
|
|
chromeRequest.cancel(0x804b0002); // BINDING_ABORTED
|
|
}
|
|
|
|
var extChannel = ext.newChannel(uri);
|
|
// Extension returned null, so cancel request
|
|
if (!extChannel) {
|
|
var chromeURI = chromeService.newURI(DUMMY_CHROME_URL, null, null);
|
|
var extChannel = chromeService.newChannel(chromeURI);
|
|
var chromeRequest = extChannel.QueryInterface(Components.interfaces.nsIRequest);
|
|
chromeRequest.cancel(0x804b0002); // BINDING_ABORTED
|
|
}
|
|
|
|
// Apply cached system principal to extension channel
|
|
if (ext.loadAsChrome) {
|
|
extChannel.owner = this._systemPrincipal;
|
|
}
|
|
|
|
extChannel.originalURI = uri;
|
|
|
|
return extChannel;
|
|
}
|
|
}
|
|
|
|
// pass request through to ChromeProtocolHandler::newChannel
|
|
if (uriString.indexOf("chrome") != 0) {
|
|
uriString = uri.spec;
|
|
uriString = "chrome" + uriString.substring(uriString.indexOf(":"));
|
|
uri = chromeService.newURI(uriString, null, null);
|
|
}
|
|
|
|
newChannel = chromeService.newChannel(uri);
|
|
}
|
|
catch (e) {
|
|
throw Components.results.NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return newChannel;
|
|
},
|
|
|
|
QueryInterface : function(iid) {
|
|
if (!iid.equals(Components.interfaces.nsIProtocolHandler) &&
|
|
!iid.equals(Components.interfaces.nsISupports)) {
|
|
throw Components.results.NS_ERROR_NO_INTERFACE;
|
|
}
|
|
return this;
|
|
}
|
|
};
|
|
|
|
|
|
//
|
|
// XPCOM goop
|
|
//
|
|
|
|
var ChromeExtensionModule = {
|
|
cid: ZOTERO_PROTOCOL_CID,
|
|
|
|
contractId: ZOTERO_PROTOCOL_CONTRACTID,
|
|
|
|
registerSelf : function(compMgr, fileSpec, location, type) {
|
|
compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
|
|
compMgr.registerFactoryLocation(
|
|
ZOTERO_PROTOCOL_CID,
|
|
ZOTERO_PROTOCOL_NAME,
|
|
ZOTERO_PROTOCOL_CONTRACTID,
|
|
fileSpec,
|
|
location,
|
|
type
|
|
);
|
|
},
|
|
|
|
getClassObject : function(compMgr, cid, iid) {
|
|
if (!cid.equals(ZOTERO_PROTOCOL_CID)) {
|
|
throw Components.results.NS_ERROR_NO_INTERFACE;
|
|
}
|
|
if (!iid.equals(Components.interfaces.nsIFactory)) {
|
|
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
return this.myFactory;
|
|
},
|
|
|
|
canUnload : function(compMgr) {
|
|
return true;
|
|
},
|
|
|
|
myFactory : {
|
|
createInstance : function(outer, iid) {
|
|
if (outer != null) {
|
|
throw Components.results.NS_ERROR_NO_AGGREGATION;
|
|
}
|
|
|
|
return new ChromeExtensionHandler().QueryInterface(iid);
|
|
}
|
|
}
|
|
};
|
|
|
|
function NSGetModule(compMgr, fileSpec) {
|
|
return ChromeExtensionModule;
|
|
}
|