f3aca749d9
- Limit field autocomplete to current library in item pane (previously only done for creator and access date) - Improve positional parameter usage to avoid duplicate parameters - Code cleanup
353 lines
No EOL
11 KiB
JavaScript
353 lines
No EOL
11 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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const ZOTERO_AC_CONTRACTID = '@mozilla.org/autocomplete/search;1?name=zotero';
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const ZOTERO_AC_CLASSNAME = 'Zotero AutoComplete';
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const ZOTERO_AC_CID = Components.ID('{06a2ed11-d0a4-4ff0-a56f-a44545eee6ea}');
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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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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/*
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* Implements nsIAutoCompleteSearch
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*/
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function ZoteroAutoComplete() {}
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ZoteroAutoComplete.prototype.startSearch = Zotero.Promise.coroutine(function* (searchString, searchParams, previousResult, listener) {
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// FIXME
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//this.stopSearch();
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var result = Cc["@mozilla.org/autocomplete/simple-result;1"]
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.createInstance(Ci.nsIAutoCompleteSimpleResult);
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result.setSearchString(searchString);
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this._result = result;
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this._results = [];
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this._listener = listener;
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this._cancelled = false;
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Zotero.debug("Starting autocomplete search with data '"
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+ searchParams + "'" + " and string '" + searchString + "'");
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searchParams = JSON.parse(searchParams);
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if (!searchParams) {
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throw new Error("Invalid JSON passed to autocomplete");
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}
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var [fieldName, , subField] = searchParams.fieldName.split("-");
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var resultsCallback;
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switch (fieldName) {
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case '':
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break;
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case 'tag':
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var sql = "SELECT DISTINCT name AS val, NULL AS id FROM tags WHERE name LIKE ? ESCAPE '\\'";
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var sqlParams = [Zotero.DB.escapeSQLExpression(searchString) + '%'];
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if (searchParams.libraryID) {
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sql += " AND tagID IN (SELECT tagID FROM itemTags JOIN items USING (itemID) "
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+ "WHERE libraryID=?)";
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sqlParams.push(searchParams.libraryID);
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}
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if (searchParams.itemID) {
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sql += " AND name NOT IN (SELECT name FROM tags WHERE tagID IN ("
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+ "SELECT tagID FROM itemTags WHERE itemID = ?))";
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sqlParams.push(searchParams.itemID);
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}
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sql += " ORDER BY val COLLATE locale";
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break;
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case 'creator':
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// Valid fieldMode values:
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// 0 == search two-field creators
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// 1 == search single-field creators
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// 2 == search both
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if (searchParams.fieldMode == 2) {
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var sql = "SELECT DISTINCT CASE fieldMode WHEN 1 THEN lastName "
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+ "WHEN 0 THEN firstName || ' ' || lastName END AS val, NULL AS id "
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+ "FROM creators ";
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if (searchParams.libraryID) {
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sql += "JOIN itemCreators USING (creatorID) JOIN items USING (itemID) ";
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}
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sql += "WHERE CASE fieldMode "
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+ "WHEN 1 THEN lastName LIKE ?1 "
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+ "WHEN 0 THEN (firstName || ' ' || lastName LIKE ?1) OR (lastName LIKE ?1) END ";
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var sqlParams = [searchString + '%'];
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if (searchParams.libraryID) {
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sql += ` AND libraryID=?${sqlParams.length + 1}`;
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sqlParams.push(searchParams.libraryID);
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}
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sql += "ORDER BY val";
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}
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else
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{
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var sql = "SELECT DISTINCT ";
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if (searchParams.fieldMode == 1) {
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sql += "lastName AS val, creatorID || '-1' AS id";
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}
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// Retrieve the matches in the specified field
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// as well as any full names using the name
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//
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// e.g. "Shakespeare" and "Shakespeare, William"
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//
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// creatorID is in the format "12345-1" or "12345-2",
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// - 1 means the row uses only the specified field
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// - 2 means it uses both
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else {
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sql += "CASE WHEN firstName='' OR firstName IS NULL THEN lastName "
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+ "ELSE lastName || ', ' || firstName END AS val, "
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+ "creatorID || '-' || CASE "
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+ "WHEN (firstName = '' OR firstName IS NULL) THEN 1 "
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+ "ELSE 2 END AS id";
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}
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var fromSQL = " FROM creators "
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if (searchParams.libraryID) {
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fromSQL += "JOIN itemCreators USING (creatorID) JOIN items USING (itemID) ";
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}
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fromSQL += "WHERE " + subField + " LIKE ?1 AND fieldMode=?2";
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var sqlParams = [
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searchString + '%',
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searchParams.fieldMode ? searchParams.fieldMode : 0
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];
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if (searchParams.itemID) {
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fromSQL += " AND creatorID NOT IN (SELECT creatorID FROM "
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+ `itemCreators WHERE itemID=?${sqlParams.length + 1}`;
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sqlParams.push(searchParams.itemID);
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if (searchParams.creatorTypeID) {
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fromSQL += ` AND creatorTypeID=?${sqlParams.length + 1}`;
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sqlParams.push(searchParams.creatorTypeID);
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}
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fromSQL += ")";
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}
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if (searchParams.libraryID) {
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fromSQL += ` AND libraryID=?${sqlParams.length + 1}`;
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sqlParams.push(searchParams.libraryID);
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}
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sql += fromSQL;
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// If double-field mode, include matches for just this field
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// as well (i.e. "Shakespeare"), and group to collapse repeats
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if (searchParams.fieldMode != 1) {
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sql = "SELECT * FROM (" + sql + " UNION SELECT DISTINCT "
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+ subField + " AS val, creatorID || '-1' AS id"
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+ fromSQL + ") GROUP BY val";
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}
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sql += " ORDER BY val";
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}
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break;
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case 'dateModified':
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case 'dateAdded':
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var sql = "SELECT DISTINCT DATE(" + fieldName + ", 'localtime') AS val, NULL AS id "
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+ "FROM items WHERE " + fieldName + " LIKE ? ";
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var sqlParams = [searchString + '%'];
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if (searchParams.libraryID) {
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sql += "AND libraryID=? ";
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sqlParams.push(searchParams.libraryID);
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}
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sql += "ORDER BY " + fieldName;
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break;
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case 'accessDate':
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var fieldID = Zotero.ItemFields.getID('accessDate');
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var sql = "SELECT DISTINCT DATE(value, 'localtime') AS val, NULL AS id FROM itemData ";
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if (searchParams.libraryID) {
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sql += "JOIN items USING (itemID) ";
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}
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sql += "WHERE fieldID=? AND value LIKE ? ";
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var sqlParams = [fieldID, searchString + '%'];
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if (searchParams.libraryID) {
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sql += "AND libraryID=? ";
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sqlParams.push(searchParams.libraryID);
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}
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sql += "ORDER BY value";
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break;
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default:
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var fieldID = Zotero.ItemFields.getID(fieldName);
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if (!fieldID) {
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Zotero.debug("'" + fieldName + "' is not a valid autocomplete scope", 1);
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this.updateResults([], false, Ci.nsIAutoCompleteResult.RESULT_IGNORED);
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return;
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}
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// We don't use date autocomplete anywhere, but if we're not
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// disallowing it altogether, we should at least do it right and
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// use the user part of the multipart field
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var valueField = fieldName == 'date' ? 'SUBSTR(value, 12, 100)' : 'value';
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var sql = "SELECT DISTINCT " + valueField + " AS val, NULL AS id FROM itemData ";
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if (searchParams.libraryID) {
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sql += "JOIN items USING (itemID) ";
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}
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sql += "JOIN itemDataValues USING (valueID) "
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+ "WHERE fieldID=?1 AND " + valueField + " LIKE ?2 ";
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var sqlParams = [fieldID, searchString + '%'];
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// Exclude values from an item
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if (searchParams.itemID) {
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sql += "AND value NOT IN (SELECT value FROM itemData "
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+ "NATURAL JOIN itemDataValues WHERE fieldID=?1 AND itemID=?3) ";
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sqlParams.push(searchParams.itemID);
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}
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// Limit to specific library
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if (searchParams.libraryID) {
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sql += `AND libraryID=?${sqlParams.length + 1} `;
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sqlParams.push(searchParams.libraryID);
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}
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sql += "ORDER BY value";
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}
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sql += " LIMIT 50";
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var onRow = null;
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// If there's a result callback (e.g., for sorting), don't use a row handler
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if (!resultsCallback) {
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onRow = function (row, cancel) {
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if (this._cancelled) {
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Zotero.debug("Cancelling query");
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cancel();
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return;
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}
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var value = row.getResultByIndex(0);
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var id = row.getResultByIndex(1);
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this.updateResult(value, id);
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}.bind(this);
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}
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var resultCode;
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try {
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let results = yield Zotero.DB.queryAsync(sql, sqlParams, { onRow: onRow });
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// Post-process the results
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if (resultsCallback) {
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resultsCallback(results);
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this.updateResults(
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Object.values(results).map(x => x.val),
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Object.values(results).map(x => x.id),
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false
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);
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}
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resultCode = null;
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Zotero.debug("Autocomplete query completed");
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}
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catch (e) {
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Zotero.debug(e, 1);
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resultCode = Ci.nsIAutoCompleteResult.RESULT_FAILURE;
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Zotero.debug("Autocomplete query aborted");
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}
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finally {
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this.updateResults(null, null, false, resultCode);
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};
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});
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ZoteroAutoComplete.prototype.updateResult = function (value, id) {
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Zotero.debug(`Appending autocomplete value '${value}'` + (id ? " (" + id + ")" : ''));
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// Add to nsIAutoCompleteResult
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this._result.appendMatch(value, value, null, null, null, id);
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// Add to our own list
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this._results.push(value);
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// Only update the UI every 10 records
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if (this._result.matchCount % 10 == 0) {
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this._result.setSearchResult(Ci.nsIAutoCompleteResult.RESULT_SUCCESS_ONGOING);
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this._listener.onSearchResult(this, this._result);
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}
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}
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ZoteroAutoComplete.prototype.updateResults = function (values, ids, ongoing, resultCode) {
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if (!values) {
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values = [];
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}
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if (!ids) {
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ids = [];
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}
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for (let i = 0; i < values.length; i++) {
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let value = values[i];
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if (!this._results.includes(value)) {
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let id = ids[i] || null;
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Zotero.debug("Adding autocomplete value '" + value + "'" + (id ? " (" + id + ")" : ""));
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this._result.appendMatch(value, value, null, null, null, id);
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this._results.push(value);
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}
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else {
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//Zotero.debug("Skipping existing value '" + result + "'");
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}
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}
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if (!resultCode) {
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resultCode = "RESULT_";
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if (!this._result.matchCount) {
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resultCode += "NOMATCH";
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}
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else {
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resultCode += "SUCCESS";
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}
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if (ongoing) {
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resultCode += "_ONGOING";
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}
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resultCode = Ci.nsIAutoCompleteResult[resultCode];
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}
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Zotero.debug("Found " + this._result.matchCount
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+ " result" + (this._result.matchCount != 1 ? "s" : ""));
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this._result.setSearchResult(resultCode);
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this._listener.onSearchResult(this, this._result);
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}
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// FIXME
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ZoteroAutoComplete.prototype.stopSearch = function(){
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Zotero.debug('Stopping autocomplete search');
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this._cancelled = true;
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}
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//
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// XPCOM goop
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//
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ZoteroAutoComplete.prototype.classDescription = ZOTERO_AC_CLASSNAME;
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ZoteroAutoComplete.prototype.classID = ZOTERO_AC_CID;
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ZoteroAutoComplete.prototype.contractID = ZOTERO_AC_CONTRACTID;
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ZoteroAutoComplete.prototype.QueryInterface = XPCOMUtils.generateQI([
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Components.interfaces.nsIAutoCompleteSearch,
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Components.interfaces.nsIAutoCompleteObserver,
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Components.interfaces.nsISupports]);
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var NSGetFactory = XPCOMUtils.generateNSGetFactory([ZoteroAutoComplete]); |