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[ADD] function to insert 'thousands' separators 

bzr revid: xmo@openerp.com-20111114153436-pj6vq6lamfrjpg7f
This commit is contained in:
Xavier Morel 2011-11-14 16:34:36 +01:00
parent 005d761e25
commit 4aafc01a3c
2 changed files with 77 additions and 0 deletions
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47
addons/web/static/src/js/formats.js
View File

@ -1,6 +1,53 @@
openerp.web.formats = function(openerp) {
var _t = openerp.web._t;
/**
* Intersperses ``separator`` in ``str`` at the positions indicated by
* ``indices``.
*
* ``indices`` is an array of relative offsets (from the previous insertion
* position, starting from the end of the string) at which to insert
* ``separator``.
*
* There are two special values:
*
* ``-1``
* indicates the insertion should end now
* ``0``
* indicates that the previous section pattern should be repeated (until all
* of ``str`` is consumed)
*
* @param {String} str
* @param {Array<Number>} indices
* @param {String} separator
* @returns {String}
*/
openerp.web.intersperse = function (str, indices, separator) {
separator = separator || '';
var result = [], last = str.length;
for(var i=0; i<indices.length; ++i) {
var section = indices[i];
if (section === -1 || last <= 0) {
// Done with string, or -1 (stops formatting string)
break;
} else if(section === 0 && i === 0) {
// repeats previous section, which there is none => stop
break;
} else if (section === 0) {
// repeat previous section forever
//noinspection AssignmentToForLoopParameterJS
section = indices[--i];
}
result.push(str.substring(last-section, last));
last -= section;
}
var s = str.substring(0, last);
if (s) { result.push(s); }
return result.reverse().join(separator);
};
/**
* Formats a single atomic value based on a field descriptor
*

30
addons/web/static/test/formats.js
View File

@ -65,4 +65,34 @@ $(document).ready(function () {
var val = openerp.web.parse_value(str, {type:"float"});
equal(val, -134112.1234);
});
test('intersperse', function () {
var g = openerp.web.intersperse;
equal(g("", []), "");
equal(g("0", []), "0");
equal(g("012", []), "012");
equal(g("1", []), "1");
equal(g("12", []), "12");
equal(g("123", []), "123");
equal(g("1234", []), "1234");
equal(g("123456789", []), "123456789");
equal(g("&ab%#@1", []), "&ab%#@1");
equal(g("0", []), "0");
equal(g("0", [1]), "0");
equal(g("0", [2]), "0");
equal(g("0", [200]), "0");
equal(g("12345678", [0], '.'), '12345678');
equal(g("", [1], '.'), '');
equal(g("12345678", [1], '.'), '1234567.8');
equal(g("12345678", [1], '.'), '1234567.8');
equal(g("12345678", [2], '.'), '123456.78');
equal(g("12345678", [2, 1], '.'), '12345.6.78');
equal(g("12345678", [2, 0], '.'), '12.34.56.78');
equal(g("12345678", [-1, 2], '.'), '12345678');
equal(g("12345678", [2, -1], '.'), '123456.78');
equal(g("12345678", [2, 0, 1], '.'), '12.34.56.78');
equal(g("12345678", [2, 0, 0], '.'), '12.34.56.78');
equal(g("12345678", [2, 0, -1], '.'), '12.34.56.78');
});
});