(core) Add dropdown conditions

Summary:
Dropdown conditions let you specify a predicate formula that's used to filter
choices and references in their respective autocomplete dropdown menus.

Test Plan: Python and browser tests (WIP).

Reviewers: jarek, paulfitz

Reviewed By: jarek

Subscribers: dsagal, paulfitz

Differential Revision: https://phab.getgrist.com/D4235

test/client/lib/ACIndex.ts

@@ -378,7 +378,12 @@ class BruteForceACIndexImpl<Item extends ACItem> implements ACIndex<Item> {
   public search(searchText: string): ACResults<Item> {
     const cleanedSearchText = searchText.trim().toLowerCase();
     if (!cleanedSearchText) {
-      return {items: this._allItems.slice(0, this._maxResults), highlightFunc: highlightNone, selectIndex: -1};
+      return {
+        items: this._allItems.slice(0, this._maxResults),
+        extraItems: [],
+        highlightFunc: highlightNone,
+        selectIndex: -1,
+      };
     }
 
     const searchWords = cleanedSearchText.split(/\s+/);
@@ -397,7 +402,7 @@ class BruteForceACIndexImpl<Item extends ACItem> implements ACIndex<Item> {
     matches.sort((a, b) => nativeCompare(b[0], a[0]) || nativeCompare(a[1], b[1]));
     const items = matches.slice(0, this._maxResults).map((m) => m[2]);
 
-    return {items, highlightFunc: highlightNone, selectIndex: -1};
+    return {items, extraItems: [], highlightFunc: highlightNone, selectIndex: -1};
   }
 }
 

test/client/lib/SafeBrowser.ts

@@ -3,13 +3,11 @@ import { Disposable } from 'app/client/lib/dispose';
 import { ClientProcess, SafeBrowser } from 'app/client/lib/SafeBrowser';
 import { LocalPlugin } from 'app/common/plugin';
 import { PluginInstance } from 'app/common/PluginInstance';
-import { GristLight } from 'app/common/themes/GristLight';
 import { GristAPI, RPC_GRISTAPI_INTERFACE } from 'app/plugin/GristAPI';
 import { Storage } from 'app/plugin/StorageAPI';
 import { checkers } from 'app/plugin/TypeCheckers';
 import { assert } from 'chai';
 import { Rpc } from 'grain-rpc';
-import { Computed } from 'grainjs';
 import { noop } from 'lodash';
 import { basename } from 'path';
 import * as sinon from 'sinon';
@@ -188,7 +186,6 @@ describe('SafeBrowser', function() {
       untrustedContentOrigin: '',
       mainPath,
       baseLogger: {},
-      theme: Computed.create(null, () => ({appearance: 'light', colors: GristLight})),
     });
     cleanup.push(() => safeBrowser.deactivate());
     pluginInstance.rpc.registerForwarder(mainPath, safeBrowser);

test/client/lib/nameUtils.ts

@@ -1,11 +1,9 @@
-import {checkName} from 'app/client/ui/AccountPage';
+import {checkName} from 'app/client/lib/nameUtils';
 import {assert} from 'chai';
 
-
-describe("AccountPage", function() {
+describe("nameUtils", function() {
   describe("isValidName", function() {
     it("should detect invalid name", function() {
-
       assert.equal(checkName('santa'), true);
       assert.equal(checkName('_santa'), true);
       assert.equal(checkName("O'Neil"), true);

test/client/lib/timeUtils.ts

@@ -1,8 +1,8 @@
-import {getTimeFromNow} from 'app/client/models/HomeModel';
+import {getTimeFromNow} from 'app/client/lib/timeUtils';
 import {assert} from 'chai';
 import moment from 'moment';
 
-describe("HomeModel", function() {
+describe("timeUtils", function() {
   describe("getTimeFromNow", function() {
     it("should give good summary of time that just passed", function() {
       const t = moment().subtract(10, 's');
@@ -18,5 +18,5 @@ describe("HomeModel", function() {
       const t = moment().add(2, 'minutes');
       assert.equal(getTimeFromNow(t.toISOString()), 'in 2 minutes');
     });
-});
+  });
 });