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comparison lib/js/urweb.js @ 1479:f561025bb68e

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Workaround for old IE handling of <option> with no 'value' attribute
author Adam Chlipala <adam@chlipala.net>
date Sun, 26 Jun 2011 19:45:21 -0400
parents 607657eb2865
children ae7547789c73
comparison
equal deleted inserted replaced
1478:a10d080123ec 1479:f561025bb68e
481 x.onkeyup = function() { sv(s, x.value) }; 481 x.onkeyup = function() { sv(s, x.value) };
482 482
483 return x; 483 return x;
484 } 484 }
485 485
486 function selectValue(x) {
487 if (x.options.length == 0)
488 return "";
489 else
490 return x.options[x.selectedIndex].value;
491 }
492
493 function setSelectValue(x, v) {
494 for (var i = 0; i < x.options.length; ++i) {
495 if(x.options[i].value == v) {
496 x.selectedIndex = i;
497 return;
498 }
499 }
500 }
501
486 function sel(s, content) { 502 function sel(s, content) {
487 var dummy = document.createElement("span"); 503 var dummy = document.createElement("span");
488 dummy.innerHTML = "<select>" + content + "</select>"; 504 dummy.innerHTML = "<select>" + content + "</select>";
489 var x = input(dummy.firstChild, s, function(x) { return function(v) { if (x.value != v) x.value = v; }; }); 505 var x = input(dummy.firstChild, s, function(x) { return function(v) { if (selectValue(x) != v) setSelectValue(x, v); }; });
490 x.value = s.data; 506
491 if (x.value != s.data) 507 for (var i = 0; i < x.options.length; ++i) {
492 sv(s, x.value); 508 if (x.options[i].value == "")
493 x.onchange = function() { sv(s, x.value) }; 509 x.options[i].value = x.options[i].text;
510 else
511 x.options[i].value = x.options[i].value.substring(1);
512 }
513
514 setSelectValue(x, s.data);
515 if (selectValue(x) != s.data)
516 sv(s, selectValue(x));
517 x.onchange = function() { sv(s, selectValue(x)) };
494 518
495 return x; 519 return x;
496 } 520 }
497 521
498 function chk(s) { 522 function chk(s) {