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Minibar: make it possible to configure a list of preferred grammars

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A preferred grammar is selected when a user visits the Minibar for the
first time. (Like before, Minibar remembers the selected grammar for future
visits.)

A preferred list of grammars can be specified in config.js in the .../minibar
directory on the server, e.g. like this:

  preferred_grammars=["/grammars/Foods.pgf","/grammars/ResourceDemo.pgf"]

The first available grammar from the list is used.
This commit is contained in:
Thomas Hallgren
2019-11-21 14:25:07 +01:00
parent 14e5528544
commit e6b33ac8b8
3 changed files with 22 additions and 1 deletions
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12
src/www/minibar/about.html
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@@ -243,12 +243,22 @@ Some implementation details:
the minibar. The rest of the documentation is displayed when you press
the <b>More info</b> button (or the <b>i</b> button). The documentation
can contain HTML markup. Blank lines are treated as paragraph breaks.
<li>[Added 2019-11-21] It is now possible to configure a list of preferred
grammars.
A preferred grammar is selected when a user visits Minibar for the
first time. (Like before, Minibar remembers the selected grammar for
future visits.)
<p>
A preferred list of grammars can be specified in <code>config.js</code>
in the <code>…/minibar</code> directory on the server, e.g. like this:
<pre> preferred_grammars=["/grammars/Foods.pgf","/grammars/ResourceDemo.pgf"]</pre>
The first available grammar from the list is used.
</ul>
</main>
<footer>
<hr>
<div class=modtime><small>
<!-- hhmts start -->Last modified: Mon Aug 5 15:22:46 CEST 2019 <!-- hhmts end -->
<!-- hhmts start -->Last modified: Thu Nov 21 14:23:59 CET 2019 <!-- hhmts end -->
</small></div>
<address>
<a href="http://www.cse.chalmers.se/~hallgren/">Thomas Hallgren</a>

8
src/www/minibar/minibar.js
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@@ -181,7 +181,15 @@ Minibar.prototype.show_grammarlist=function(dir,grammar_names,dir_count) {
if(last_grammar && elem(last_grammar,t.grammars))
grammar0=last_grammar;
}
var pgs=t.options.preferred_grammars
if(!grammar0 && pgs)
for(var i in pgs)
if(elem(pgs[i],t.grammars)) {
grammar0=pgs[i]
break
}
if(!grammar0) grammar0=t.grammars[0];
//console.log("grammar0=",grammar0)
t.grammar_menu.value=grammar0;
t.select_grammar(grammar0);
}

3
src/www/minibar/minibar_online.js
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@@ -21,6 +21,9 @@ var minibar_options= {
try_google: true
}
if(window.preferred_grammars)
minibar_options.preferred_grammars=preferred_grammars
if(/^\?\/(tmp|grammars)\//.test(location.search)) {
var args=decodeURIComponent(location.search.substr(1)).split(" ")
if(args[0]) online_options.grammars_url=args[0];