8455 2006-04-18 06:44:37 -0700 selectedIndex for a select after a Form reset() has wrong value 2006-05-31 22:04:15 -0700 1 1 1 Unclassified WebKit Forms 417.x Mac OS X 10.4 RESOLVED FIXED P2 Normal --- 1 czisopoulos webkit-unassigned czisopoulos oldest_to_newest 39602 0 czisopoulos 2006-04-18 06:44:37 -0700 In a simple for with a <select/> two <option/> tags, when a page loads selectedIndex is 0 (the first option). After calling document.forms[0].reset(), selectedIndex is -1 Only by explicitly specifying an option as selected, will you get the expected behaviour after a reset. <html> <head> <title>test</title> <script type="text/javascript" language="javascript" charset="utf-8"> function selectBug() { alert("Before Form.reset() selectedIndex is " + document.forms[0].elements[0].selectedIndex); document.forms[0].reset(); alert("AFTER Form.reset() selectedIndex is " + document.forms[0].elements[0].selectedIndex); } </script> </head> <body onload="selectBug()"> <form action="test_submit" method="post"> <select id="select_1" name="event[event_type_id]"> <option value="1" >Value 1</option> <option value="2" selected>Value 2</option> </select> <input name="commit" type="submit" value="Submit" /> </form> </body> </html> 39603 1 7800 czisopoulos 2006-04-18 06:49:33 -0700 Created attachment 7800 a simple demonstration of the bug 39604 2 czisopoulos 2006-04-18 06:50:52 -0700 Possible duplicate of #6282? 39629 3 ap 2006-04-18 13:12:23 -0700 Confirmed with stock 10.4.5 Safari. ToT fails with an assertion failure, thus upgrading to P2. ASSERTION FAILED: firstOption == listItems.size() || found (/Users/ap/WebKit/WebCore/rendering/render_form.cpp:904 void WebCore::RenderSelect::updateSelection()) 43301 4 8490 rwlbuis 2006-05-23 12:30:14 -0700 Created attachment 8490 Fix bug in testcase I am pretty sure the testcase wanted to use forms[1] reset, otherwise testing for selectedIndex of forms[1] is pointless. Cheers, Rob. 43304 5 8491 rwlbuis 2006-05-23 12:48:11 -0700 Created attachment 8491 First attempt First stab at fixing this. It may be too "heavy", in which case I'd like to hear how to make it "lighter" :) Ofcourse if the code is okayed, I'll provide a testcase... Cheers, Rob. 43326 6 8491 ggaren 2006-05-23 13:38:35 -0700 Comment on attachment 8491 First attempt It should be sufficient to keep a flag tracking whether any of the option elements had the 'selected' attribute set, and select option 0 if none did. That would avoid the call to recalcListItems(). I'm going to mark this r-, in case you want to submit the 'lighter' solution. 43377 7 8510 rwlbuis 2006-05-24 02:05:19 -0700 Created attachment 8510 Light version Hi Geoff, Here is my "light" version including testcase. Cheers, Rob. 43382 8 8510 ggaren 2006-05-24 07:26:06 -0700 Comment on attachment 8510 Light version firstOption is unnecessary. You can just use items[0]. That's a nitpick, though. Nice work. 43472 9 rwlbuis 2006-05-24 14:16:21 -0700 Hi, (In reply to comment #8) > (From update of attachment 8510 [edit]) > firstOption is unnecessary. You can just use items[0]. That's a nitpick, > though. Nice work. > As discussed on irc, this is mostly a preference thing. If always item[0] was the correct one, I'd agree, but it doesnt have to be, so we'd need a while loop. I do not think either solution is perfect, though I slightly prefer the current one. 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