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gfse: show the grammar list if the currently selected grammar can not be loaded

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Avoid showing a blank page if there is an unexpected problem with the grammars
in localStorage.
This commit is contained in:
hallgren
2012-10-09 13:44:34 +00:00
parent f53ab8b353
commit 4c0b6f29f2
1 changed files with 9 additions and 3 deletions
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12
src/www/gfse/editor.js
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@@ -199,9 +199,15 @@ function clone_grammar(i) {
function open_grammar(i) {
var g=get_grammar(i);
g.index=i;
local.put("current",i+1);
edit_grammar(g);
if(g) {
g.index=i;
local.put("current",i+1);
edit_grammar(g);
}
else {
alert("Something went wrong: grammar at index "+i+" is not usable.")
draw_grammar_list()
}
}
function open_public(file) {