Ok - got it to upload now.

http://codereview.appspot.com/44041/show

On Mon, Apr 20, 2009 at 12:19 PM, Vitali Lovich <[email protected]> wrote:

> Oh & I missed the open issue.  Please mark 3582 a duplicate.
>
>
> On Mon, Apr 20, 2009 at 12:18 PM, Vitali Lovich <[email protected]> wrote:
>
>> gwt-code-reviews
>>
>>
>> On Mon, Apr 20, 2009 at 12:04 PM, Ray Ryan <[email protected]> wrote:
>>
>>> Joel, you created an issue for this last month:
>>> http://code.google.com/p/google-web-toolkit/issues/detail?id=3441
>>>
>>> Vitali, was the 500 you mentioned from the issue tracker or from
>>> gwt-code-reviews?
>>>
>>> rjrjr
>>>
>>>
>>> On Mon, Apr 20, 2009 at 8:36 AM, Vitali Lovich <[email protected]>wrote:
>>>
>>>> I signed the CLA.  Should be OK for now since I haven't started my job
>>>> yet.
>>>>
>>>> I'm getting a HTTP SERVER 500 error creating the issue.  I've tried both
>>>> upload.py & the web interface.
>>>>
>>>>
>>>> On Mon, Apr 20, 2009 at 10:58 AM, Joel Webber <[email protected]> wrote:
>>>>
>>>>> Vitali,
>>>>> Thanks for taking this on. I've been meaning to do it for ages, but
>>>>> haven't had time. I haven't had a chance to look over the patch in detail
>>>>> yet, but the general approach sounds good.
>>>>>
>>>>> To answer your earlier question about DOMImplMozilla[Old], the "old"
>>>>> one (not the best name, I know) maps to the user-agent "gecko", which is 
>>>>> the
>>>>> fallback for pre-gecko-1.8. Gecko 1.8 is basically Firefox 1.5 and 2.0, 
>>>>> and
>>>>> is also used to support later versions (e.g., Firefox 3 is Gecko 1.9). 
>>>>> Older
>>>>> versions of Gecko don't exist in any browser you're likely to encounter in
>>>>> the wild, but is used by the hosted-mode browser on Linux. As soon as we
>>>>> move to out-of-process hosted mode (GWT 2.0 in all likelihood), we'll be
>>>>> able to ditch support for old Geckos (yay!).
>>>>>
>>>>> A couple of procedural things:
>>>>> - Have you had a chance to sign a CLA yet? It's just a minor procedural
>>>>> thing, but necessary.
>>>>>   (http://code.google.com/webtoolkit/makinggwtbetter.html#committers)
>>>>> - Could I get you to create an issue to track this?
>>>>> - Also, if you could upload this patch to
>>>>> http://gwt-code-reviews.appspot.com/ it would make it easier for
>>>>> everyone to view and discuss.
>>>>>   (Make sure to add [email protected] 
>>>>> the CC list)
>>>>>
>>>>> Thanks again,
>>>>> joel.
>>>>>
>>>>> On Sun, Apr 19, 2009 at 6:11 AM, Vitali Lovich <[email protected]>wrote:
>>>>>
>>>>>> Oops - missed some compile errors in the JSNI code.  This is meant to
>>>>>> be applied over top of the previous patches.  I've verified that if
>>>>>> getElementsByClassName is not used then no code related to it appears in 
>>>>>> the
>>>>>> output (compiled the GWT samples & grepped for getElementsByClassName).
>>>>>>
>>>>>> I still need to test whether or not the implementations work & write
>>>>>> unit tests.
>>>>>>
>>>>>> Just for easy reference for myself, [].slice.call(nodeList, 0); is
>>>>>> the code to convert a nodelist into an array.
>>>>>>
>>>>>>
>>>>>> On Sun, Apr 19, 2009 at 5:47 AM, Vitali Lovich <[email protected]>wrote:
>>>>>>
>>>>>>> Here's my second attempt at the patch (2 of 2 is just a documentation
>>>>>>> adjustment).
>>>>>>>
>>>>>>> One caveat I forgot to mention is that there is slightly different
>>>>>>> cross-platform behaviour right now.  The native implementations return
>>>>>>> NodeLists which are live whereas the Javascript implementations simply
>>>>>>> return arrays.
>>>>>>>
>>>>>>> The question is should I change it so that a JsArray is always
>>>>>>> returned (i.e. copy the node list into an array) so that semantics are
>>>>>>> constant across browsers or leave as is for performance with maybe a 
>>>>>>> caveat
>>>>>>> that the user should be careful when using with FF3, Safari 3.1 or 
>>>>>>> Opera 9.5
>>>>>>> & copy into an array if they need array semantics?
>>>>>>>
>>>>>>> Changes from first patch:
>>>>>>> getElementsByClassName should now display the HTML5 behaviour in
>>>>>>> quirks mode if the browser supports the native implementation or doesn't
>>>>>>> provide XPath (IE or really really old versions of FF, Safari & 
>>>>>>> friends).
>>>>>>> I'm not sure how to get case insensitive string matching with XPath (so
>>>>>>> quirks mode won't work according to the HTML5 spec in FF2, Safari 3, 
>>>>>>> Opera
>>>>>>> 9.4 or earlier).  Is it even possible to do, or should I just fall back 
>>>>>>> to
>>>>>>> using the DOM implementation in quirks mode & make a note that 
>>>>>>> performance
>>>>>>> could be improved drastically if quirks mode is turned off on browsers 
>>>>>>> that
>>>>>>> support XPath?  Or just leave as is - it'll certainly have the same
>>>>>>> behaviour as all the other JS libraries out there.
>>>>>>>
>>>>>>> Only DOMImpl, DOMImplStandard, & DOMImplSafari now require code
>>>>>>> changes.
>>>>>>>
>>>>>>> DOMImpl: contains a native implementation using DOM.  By default
>>>>>>> this gets called.
>>>>>>> DOMImplStandard now defines getElementsByXPath.  The fastest
>>>>>>> approach is assigned* to getElementsByClassName in the Element 
>>>>>>> prototype &
>>>>>>> document.  overrides getElementsByClassName
>>>>>>> DOMImplSafari: getElementsByXPath calls the native one supplied by
>>>>>>> Safari.  I'm assuming that document._getElementsByXPath & 
>>>>>>> document.evaluate
>>>>>>> came in with the same version of Safari (the one that implemented
>>>>>>> XPath).  If that's not the case, then I'll have to rework the code a 
>>>>>>> bit.
>>>>>>> Document: added isBackCompat().  Could use !isCSS1Compat() for now,
>>>>>>> but this ensures no code change required if other compat modes are 
>>>>>>> added in
>>>>>>> the future ('cause !quirks is all we care about).
>>>>>>>
>>>>>>> *I'm assuming that the way I wrote it ensures that if the developer
>>>>>>> doesn't use getElementsByClassName, then there's 0-cost: the function is
>>>>>>> never registered because the GWT compiler will recognize the dead code.
>>>>>>>
>>>>>>> If it is used, then there's only the overhead of performing the
>>>>>>> implementation selection once on startup.
>>>>>>>
>>>>>>> Thank you,
>>>>>>> Vitali
>>>>>>>
>>>>>>>
>>>>>>> On 4/18/09, Vitali Lovich <[email protected]> wrote:
>>>>>>> > Also, what's the difference between DOMImplMozilla &
>>>>>>> DOMImplMozillaOld
>>>>>>> >  in terms of Firefox versions?
>>>>>>> >
>>>>>>> >  And what versions of each browser are supported?  Are all versions
>>>>>>> of
>>>>>>> >  Safari, FF, & Opera supported as much as possible?  Is there a
>>>>>>> minimum
>>>>>>> >  version for any of them?
>>>>>>> >
>>>>>>> >
>>>>>>> >  On Sat, Apr 18, 2009 at 4:05 AM, Vitali Lovich <[email protected]>
>>>>>>> wrote:
>>>>>>> >  > If I put the check in a static block, then the check is only
>>>>>>> done once
>>>>>>> >  > on startup, right?  Is this acceptable, or is it frowned upon
>>>>>>> because
>>>>>>> >  > it adds a slight penalty to the startup even if the developer
>>>>>>> never
>>>>>>> >  > uses the function.
>>>>>>> >  >
>>>>>>> >  > Something like,
>>>>>>> >  >
>>>>>>> >  > static {
>>>>>>> >  >  ensureGetElementsByClassNameRegistered();
>>>>>>> >  > }
>>>>>>> >  >
>>>>>>> >  > private static native void
>>>>>>> ensureGetElementsByClassNameRegistered() {
>>>>>>> >  >   if (!document.getElementsByClassName) {
>>>>>>> >  >      document.getElementsByClassName = function(element, class)
>>>>>>> {
>>>>>>> >  >             // etc
>>>>>>> >  >      }
>>>>>>> >  >   }
>>>>>>> >  > }
>>>>>>> >  >
>>>>>>> >  > On Sat, Apr 18, 2009 at 3:54 AM, Ray Cromwell <
>>>>>>> [email protected]> wrote:
>>>>>>> >  >>
>>>>>>> >  >> You don't want to create a separate property just for native
>>>>>>> >  >> getElementsByClassName() as that would almost double the number
>>>>>>> of
>>>>>>> >  >> permutations (except IE where is it known not to exist)  What
>>>>>>> you
>>>>>>> >  >> could provide is 3 implementations. IE gets raw DOM version,
>>>>>>> >  >> Safari/Firefox/Opera get a version that checks
>>>>>>> >  >> if(document.getElementsByClassName) exists, and if not, falls
>>>>>>> back to
>>>>>>> >  >> document.evaluate.
>>>>>>> >  >>
>>>>>>> >  >> -Ray
>>>>>>> >  >>
>>>>>>> >  >>
>>>>>>> >  >> On Fri, Apr 17, 2009 at 11:03 PM, Vitali Lovich <
>>>>>>> [email protected]> wrote:
>>>>>>> >  >>>
>>>>>>> >  >>> Do you have any suggestions regarding how to do the proper
>>>>>>> deferred
>>>>>>> >  >>> binding for the various versions?  Should I just put the
>>>>>>> typical JS
>>>>>>> >  >>> check that regular libraries use? (i.e. if
>>>>>>> >  >>> (!document.getElementsByClassName) { // provide fallback }.  I
>>>>>>> thought
>>>>>>> >  >>> the whole point of deferred binding was to get around that.
>>>>>>> >  >>>
>>>>>>> >  >>> What is the list of officially supported browsers?  In
>>>>>>> particular the
>>>>>>> >  >>> specific minimum version for each?
>>>>>>> >  >>>
>>>>>>> >  >>> I guess I'm going to have to install a virtual machine for
>>>>>>> this
>>>>>>> >  >>> because Safari refuses to work in wine 1.0.19 - chrome is
>>>>>>> useable
>>>>>>> >  >>> although no HTTPS sites.
>>>>>>> >  >>>
>>>>>>> >  >>> Is there a guide somewhere on writing & integrating the tests
>>>>>>> into
>>>>>>> >  >>> GWT, or just look at existing ones in the source.
>>>>>>> >  >>>
>>>>>>> >  >>> On Sat, Apr 18, 2009 at 1:49 AM, Miroslav Pokorny
>>>>>>> >  >>> <[email protected]> wrote:
>>>>>>> >  >>>>
>>>>>>> >  >>>> Provide some tests and make sure it works on all officially
>>>>>>> supported
>>>>>>> >  >>>> browsers even if the implementation is suboptimal. There are
>>>>>>> many js
>>>>>>> >  >>>> libs out there so it's not hard to find the best way to do it
>>>>>>> fir the
>>>>>>> >  >>>> various browsers...
>>>>>>> >  >>>>
>>>>>>> >  >>>> On 18/04/2009, at 12:39 PM, Vitali Lovich <[email protected]>
>>>>>>> wrote:
>>>>>>> >  >>>>
>>>>>>> >  >>>>> Just my first attempt at adding some initial support for
>>>>>>> >  >>>>> getElementsByClassName.  This is by no means tested or
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> Newer browsers support getElementsByClassName.  This is my
>>>>>>> attempt
>>>>>>> >  >>>>> at a patch.
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> Caveats:
>>>>>>> >  >>>>> There's a "bug" in that quirks mode doesn't behave properly
>>>>>>> (I don't
>>>>>>> >  >>>>> know how to detect it in the deferred binding) for IE &
>>>>>>> Firefox2 &
>>>>>>> >  >>>>> earlier.  According to the HTML5 spec, it's supposed to be
>>>>>>> case
>>>>>>> >  >>>>> insensitive in quirks mode.  However, this "bug" behaves the
>>>>>>> exact
>>>>>>> >  >>>>> same way as all the javascript wrappers do (since I based
>>>>>>> the XPath &
>>>>>>> >  >>>>> RegExp code paths roughly around the implementations
>>>>>>> floating out
>>>>>>> >  >>>>> there).
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> I'm also not sure if I added the support correctly for
>>>>>>> Firefox.
>>>>>>> >  >>>>> getElementsByClassName only came in with FF3 & requires the
>>>>>>> xpath
>>>>>>> >  >>>>> workaround for FF2 & earlier (I believe I read xpath was
>>>>>>> introduced
>>>>>>> >  >>>>> with FF 1.5).  I placed the xpath code in DOMImplMozillaOld
>>>>>>> for now
>>>>>>> >  >>>>> (not sure whether or not gecko1_8 represents FF2).
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> There's also no mention of the versions of Safari & Opera
>>>>>>> that are
>>>>>>> >  >>>>> supported by GWT, so they're defaulting to using the native
>>>>>>> version
>>>>>>> >  >>>>> (which will not work if they don't provide it).
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> Safari in particular got it with version 3.1.  if earlier
>>>>>>> versions are
>>>>>>> >  >>>>> supported, it's not too much work.  Simply grab the
>>>>>>> expression built
>>>>>>> >  >>>>> in the FF xpath  & pass it to
>>>>>>> document._getElementsByXPath(query,
>>>>>>> >  >>>>> parent) for Safari versions that have xpath (not sure which
>>>>>>> those
>>>>>>> >  >>>>> are).  Not sure how to distinguish Safari pre3.1 & post3.1
>>>>>>> in deferred
>>>>>>> >  >>>>> binding.
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> Opera got it with 9.5.  Not sure when xPath support got into
>>>>>>> Opera
>>>>>>> >  >>>>> (should be a straightfoward copy of the mozilla code).  Not
>>>>>>> sure how
>>>>>>> >  >>>>> to distinguish the two in the deferred binding.
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> Feedback would be appreciated.
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> Should this go as an enhancement request in the issue
>>>>>>> tracker?
>>>>>>> >  >>>>>
>>>>>>> >  >>>>> >
>>>>>>> >  >>>>> diff --git a/user/src/com/google/gwt/dom/client/DOMImpl.java
>>>>>>> b/user/
>>>>>>> >  >>>>> src/com/google/gwt/dom/client/DOMImpl.java index
>>>>>>> 1d7e39b..581764b
>>>>>>> >  >>>>> 100644 --- a/user/src/com/google/gwt/dom/client/DOMImpl.java
>>>>>>> +++ b/
>>>>>>> >  >>>>> user/src/com/google/gwt/dom/client/DOMImpl.java @@ -176,6
>>>>>>> +176,8 @@
>>>>>>> >  >>>>> abstract class DOMImpl { return 0; }-*/; + public abstract
>>>>>>> NodeList
>>>>>>> >  >>>>> getElementsByClassName(Element parent, String className); +
>>>>>>> public
>>>>>>> >  >>>>> native Element getFirstChildElement(Element elem) /*-{ var
>>>>>>> child =
>>>>>>> >  >>>>> elem.firstChild; while (child && child.nodeType != 1) diff
>>>>>>> --git a/
>>>>>>> >  >>>>> user/src/com/google/gwt/dom/client/DOMImplIE6.java
>>>>>>> b/user/src/com/
>>>>>>> >  >>>>> google/gwt/dom/client/DOMImplIE6.java index 04c205a..8c24a6c
>>>>>>> 100644
>>>>>>> >  >>>>> --- a/user/src/com/google/gwt/dom/client/DOMImplIE6.java +++
>>>>>>> b/user/
>>>>>>> >  >>>>> src/com/google/gwt/dom/client/DOMImplIE6.java @@ -15,6 +15,8
>>>>>>> @@ */
>>>>>>> >  >>>>> package com.google.gwt.dom.client; +import
>>>>>>> >  >>>>> com.google.gwt.core.client.JsArray; +  /** * Internet
>>>>>>> Explorer 6
>>>>>>> >  >>>>> implementation of * {...@link
>>>>>>> com.google.gwt.user.client.impl.DOMImpl}.
>>>>>>> >  >>>>> @@ -184,6 +186,31 @@ class DOMImplIE6 extends DOMImpl { }
>>>>>>> @Override
>>>>>>> >  >>>>> + public NodeList getElementsByClassName(Element parent,
>>>>>>> String
>>>>>>> >  >>>>> className) { + // TODO: detect quirks mode so that the
>>>>>>> regexps do a
>>>>>>> >  >>>>> case insensitive match as per the + // spec. when quirks
>>>>>>> mode
>>>>>>> >  >>>>> detected, pass "i" as the flags parameter + return
>>>>>>> >  >>>>> getElementsByClassName(parent, className.split(" "),
>>>>>>> "").cast(); + }
>>>>>>> >  >>>>> + +  private native JsArray getElementsByClassName(Element
>>>>>>> parent,
>>>>>>> >  >>>>> String [] classes, String flags) /*-{ + var i, j, e, c,
>>>>>>> elements =
>>>>>>> >  >>>>> parent.all || parent.getElementsByTagName("*"); + var
>>>>>>> regexps = [],
>>>>>>> >  >>>>> result = []; + for (i = classes.length - 1; i >= 0; i--) { +
>>>>>>> c =
>>>>>>> >  >>>>> classes[i].replace(/^\s+|\s+$/g, ""); + if (c.length) +
>>>>>>> >  >>>>> regexps.push(new RegExp(new Array("(?:^|\\s)", c, "(?:\\s|
>>>>>>> >  >>>>> $)").join(""), flags); + } + if (regexps.length) { + for (i
>>>>>>> = 0, c =
>>>>>>> >  >>>>> elements.length; i < c; i++) { + e = elements[i]; + for (j =
>>>>>>> >  >>>>> regexps.length - 1; j >= 0 && regexps[j].test(e); j--) {} +
>>>>>>> j == -1
>>>>>>> >  >>>>> && result.push(e); + } + } + return result; + }-*/; + +
>>>>>>> @Override
>>>>>>> >  >>>>> public native String getInnerText(Element elem) /*-{ return
>>>>>>> >  >>>>> elem.innerText; }-*/; diff --git
>>>>>>> a/user/src/com/google/gwt/dom/
>>>>>>> >  >>>>> client/DOMImplMozillaOld.java
>>>>>>> b/user/src/com/google/gwt/dom/client/
>>>>>>> >  >>>>> DOMImplMozillaOld.java index ecf52fb..5fd7312 100644 ---
>>>>>>> a/user/src/
>>>>>>> >  >>>>> com/google/gwt/dom/client/DOMImplMozillaOld.java +++
>>>>>>> b/user/src/com/
>>>>>>> >  >>>>> google/gwt/dom/client/DOMImplMozillaOld.java @@ -15,6 +15,8
>>>>>>> @@ */
>>>>>>> >  >>>>> package com.google.gwt.dom.client; +import
>>>>>>> >  >>>>> com.google.gwt.core.client.JsArray; +  /** * DOM
>>>>>>> implementation
>>>>>>> >  >>>>> differences for older version of Mozilla (mostly the *
>>>>>>> hosted mode
>>>>>>> >  >>>>> browser on linux). The main difference is due to changes in
>>>>>>> @@
>>>>>>> >  >>>>> -114,4 +116,23 @@ package com.google.gwt.dom.client; return
>>>>>>> top +
>>>>>>> >  >>>>> viewport.scrollTop; }-*/; + + @Override + public NodeList
>>>>>>> >  >>>>> getElementsByClassName(Element parent, String className) { +
>>>>>>> // the
>>>>>>> >  >>>>> cast should be safe since both it & JsArray access the
>>>>>>> underlying
>>>>>>> >  >>>>> object the same way + // and NodeList is immutable
>>>>>>> (constraints
>>>>>>> >  >>>>> added, not removed) + return getElementsByClassName(parent,
>>>>>>> >  >>>>> className.split(" ")).cast(); + } + + private native JsArray
>>>>>>> >  >>>>> getElementsByClassName(Element parent, String [] classes)
>>>>>>> /*-{ + var
>>>>>>> >  >>>>> result, i, xpathResult, classExpr = ".//*"; + for (i =
>>>>>>> >  >>>>> classes.length - 1; i >= 0; i--) { + classExpr +=
>>>>>>> >  >>>>> "[contains(concat(' ', @class, ' '), ' " + classes[i] + "
>>>>>>> ')]"; + }
>>>>>>> >  >>>>> + xpathResult = document.evaluate(classExpr, parent, null,
>>>>>>> 0, null);
>>>>>>> >  >>>>> + while ((i = xpathResult.iterateNext())) { +
>>>>>>> result.push(i); + } +
>>>>>>> >  >>>>> return result; + }-*/; } diff --git
>>>>>>> a/user/src/com/google/gwt/dom/
>>>>>>> >  >>>>> client/DOMImplStandard.java
>>>>>>> b/user/src/com/google/gwt/dom/client/
>>>>>>> >  >>>>> DOMImplStandard.java index 90d2e89..be29fe1 100644 ---
>>>>>>> a/user/src/
>>>>>>> >  >>>>> com/google/gwt/dom/client/DOMImplStandard.java +++
>>>>>>> b/user/src/com/
>>>>>>> >  >>>>> google/gwt/dom/client/DOMImplStandard.java @@ -114,6 +114,11
>>>>>>> @@
>>>>>>> >  >>>>> abstract class DOMImplStandard extends DOMImpl { }-*/;
>>>>>>> @Override +
>>>>>>> >  >>>>> public native NodeList getElementsByClassName(Element
>>>>>>> parent, String
>>>>>>> >  >>>>> className) /*-{ + return
>>>>>>> parent.getElementsByClassName(className);
>>>>>>> >  >>>>> + }-*/; + + @Override public native boolean
>>>>>>> isOrHasChild(Element
>>>>>>> >  >>>>> parent, Element child) /*-{ return parent.contains(child);
>>>>>>> }-*/;
>>>>>>> >  >>>>> diff --git
>>>>>>> a/user/src/com/google/gwt/dom/client/Document.java b/user/
>>>>>>> >  >>>>> src/com/google/gwt/dom/client/Document.java index
>>>>>>> 209b1b9..23d6daf
>>>>>>> >  >>>>> 100644 ---
>>>>>>> a/user/src/com/google/gwt/dom/client/Document.java +++ b/
>>>>>>> >  >>>>> user/src/com/google/gwt/dom/client/Document.java @@ -1125,6
>>>>>>> +1125,18
>>>>>>> >  >>>>> @@ public class Document extends Node { }-*/; /** + *
>>>>>>> Returns a
>>>>>>> >  >>>>> {...@link NodeList} of all the {...@link Element Elements} 
>>>>>>> > with a
>>>>>>> given +
>>>>>>> >  >>>>> * class name in the order in which they are encountered in a
>>>>>>> >  >>>>> preorder traversal + * of the document tree. + * + * @param
>>>>>>> >  >>>>> className the space-separated name of the classes to match
>>>>>>> on + *
>>>>>>> >  >>>>> @return a list containing all the matched elements. + */ +
>>>>>>> public
>>>>>>> >  >>>>> final NodeList getElementsByClassName(String className) { +
>>>>>>> return
>>>>>>> >  >>>>> DOMImpl.impl.getElementsByClassName(this.cast(), className);
>>>>>>> + } +
>>>>>>> >  >>>>> + /** * Returns the {...@link Element} whose id is given by
>>>>>>> elementId.
>>>>>>> >  >>>>> If no such * element exists, returns null. Behavior is not
>>>>>>> defined
>>>>>>> >  >>>>> if more than one * element has this id. diff --git
>>>>>>> a/user/src/com/
>>>>>>> >  >>>>> google/gwt/dom/client/Element.java
>>>>>>> b/user/src/com/google/gwt/dom/
>>>>>>> >  >>>>> client/Element.java index a0bf9f2..d64b83e 100644 ---
>>>>>>> a/user/src/com/
>>>>>>> >  >>>>> google/gwt/dom/client/Element.java +++
>>>>>>> b/user/src/com/google/gwt/dom/
>>>>>>> >  >>>>> client/Element.java @@ -149,6 +149,18 @@ public class
>>>>>>> Element
>>>>>>> >  >>>>> extends Node { }-*/; /** + * Returns a {...@link NodeList} of
>>>>>>> all the
>>>>>>> >  >>>>> {...@link Element Elements} with a given + * class name in the
>>>>>>> order in
>>>>>>> >  >>>>> which they are encountered in a preorder traversal + * of
>>>>>>> this
>>>>>>> >  >>>>> elements children. + * + * @param className the
>>>>>>> space-separated
>>>>>>> >  >>>>> names of the classes to match on + * @return a list
>>>>>>> containing all
>>>>>>> >  >>>>> the matched elements. + */ + public final NodeList
>>>>>>> >  >>>>> getElementsByClassName(String className) { + return
>>>>>>> >  >>>>> DOMImpl.impl.getElementsByClassName(this, className); + } +
>>>>>>> + /** *
>>>>>>> >  >>>>> Returns a NodeList of all descendant Elements with a given
>>>>>>> tag name,
>>>>>>> >  >>>>> in the * order in which they are encountered in a preorder
>>>>>>> traversal
>>>>>>> >  >>>>> of this Element * tree.
>>>>>>> >  >>>>
>>>>>>> >  >>>> >
>>>>>>> >  >>>>
>>>>>>> >  >>>
>>>>>>> >  >>> >
>>>>>>> >  >>>
>>>>>>> >  >>
>>>>>>> >  >> >  >>
>>>>>>> >  >>
>>>>>>> >  >
>>>>>>> >
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>> >>>
>>>
>>
>

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