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Gui: Fix NullPointerException when pressing backspace on empty search box [#841]

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master
gnosygnu 3 years ago
parent 17a3b4e7b3
commit 2a4abd8f75
1 changed files with 212 additions and 186 deletions
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46
400_xowa/src/gplx/xowa/htmls/js/Xoh_js_cbk.java
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@ -1,6 +1,6 @@
/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com
Copyright (C) 2012-2021 gnosygnu@gmail.com
XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.
@ -13,13 +13,34 @@ The terms of each license can be found in the source code repository:
GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx.xowa.htmls.js; import gplx.*; import gplx.xowa.*; import gplx.xowa.htmls.*;
import gplx.core.threads.*; import gplx.xowa.xtns.pfuncs.ifs.*; import gplx.xowa.wikis.data.tbls.*;
import gplx.langs.jsons.*;
import gplx.xowa.htmls.js.*;
import gplx.xowa.guis.views.*;
import gplx.xowa.parsers.*;
import gplx.xowa.htmls.modules.popups.*;
package gplx.xowa.htmls.js;
import gplx.Bool_;
import gplx.Bry_;
import gplx.Bry_bfr;
import gplx.Bry_bfr_;
import gplx.Bry_split_;
import gplx.Byte_ascii;
import gplx.Err_;
import gplx.GfoMsg;
import gplx.Gfo_invk;
import gplx.Gfo_invk_;
import gplx.GfsCtx;
import gplx.Int_;
import gplx.Object_;
import gplx.String_;
import gplx.core.threads.Thread_adp_;
import gplx.xowa.Xoa_ttl;
import gplx.xowa.Xoae_app;
import gplx.xowa.Xoae_page;
import gplx.xowa.Xowe_wiki;
import gplx.xowa.guis.views.Xog_html_itm;
import gplx.xowa.htmls.modules.popups.Xow_popup_mgr;
import gplx.xowa.parsers.Xop_ctx;
import gplx.xowa.parsers.Xop_root_tkn;
import gplx.xowa.wikis.data.tbls.Xowd_page_itm;
import gplx.xowa.xtns.pfuncs.ifs.Pfunc_ifexist;
public class Xoh_js_cbk implements Gfo_invk {
private Xoae_app app;
private Xog_html_itm html_itm;
@ -125,9 +146,14 @@ public class Xoh_js_cbk implements Gfo_invk {
}
private String Get_search_suggestions(GfoMsg m) {
Xowe_wiki wiki = html_itm.Owner_tab().Wiki();
byte[] search_str = Bry_.new_u8((String)m.ReadValAt(0));
String search_str = (String)m.ReadValAt(0);
// 2021-03-02|ISSUE#:841|Pressing backspace on empty search box will generate a null
if (search_str == null) {
return "";
}
byte[] search_bry = Bry_.new_u8(search_str);
byte[] cbk_func = Bry_.new_u8((String)m.ReadValAt(1));
app.Addon_mgr().Itms__search__htmlbar().Search_by_swt(wiki, search_str, cbk_func);
app.Addon_mgr().Itms__search__htmlbar().Search_by_swt(wiki, search_bry, cbk_func);
return "";
}
private String[] Wikidata_get_label(GfoMsg m) {

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