For what it's worth, this very topic was just discussed on the YUI
mailing list, and might be helpful:
http://tech.groups.yahoo.com/group/ydn-javascript/messages/8168?threaded
=1&m=e&var=1&tidx=1
-----
Jason Lee, SCJP
Programmer/Analyst
http://www.iec-okc.com
> -----Original Message-----
> From: Dan.Labrecque_at_Sun.COM [mailto:Dan.Labrecque_at_Sun.COM]
> Sent: Monday, January 15, 2007 11:36 PM
> To: dev_at_jsf-extensions.dev.java.net
> Subject: Re: [JSF-EXT] [16-RemovePrototype] Seeking Review
>
> Hi Ed,
>
> When you remove prototype, how will JavaScript be evaluated?
> Mozilla and Firefox appears to automatically evaluate
> JavaScript added via innerHTML, but IE does not. Looking at
> the code, it's my impression that prototype handles this for
> you. Just curious how you plan to handle it yourself when
> prototype is removed? That is, considering that the Ajax Zone
> tag replaces HTML which may contain JavaScript.
>
> Thanks,
> Dan
>
> Ed Burns wrote:
> > https://jsf-extensions.dev.java.net/issues/show_bug.cgi?id=16
> >
> > Issue: 16 remove prototype dependency
> >
> > SECTION: Changes
> >
> > M run-time/avatar/src/main/resources/com_sun_faces_ajax.js
> >
> > - migrate functions from both prototype "extend" and from
> top level to
> > being in the DynaFaces object. This checkin does the easy ones:
> >
> > trim
> >
> > reduce
> >
> > $
> >
> > Element.replace
> >
> > Element.elementReplace
> >
> > serialize*
> >
> > firstElement
> >
> > $Form
> >
> > Start work on ViewState.
> >
> > M run-time/avatar/src/main/resources/com_sun_faces_ajax_zone.js
> >
> > - Instead of using Faces.DeferredEvent, use
> installDeferredAjaxTransaction().
> >
> > SECTION: Diffs
> >
> > Index: run-time/avatar/src/main/resources/com_sun_faces_ajax.js
> > ===============================================================
> > ====
> > --- run-time/avatar/src/main/resources/com_sun_faces_ajax.js
> > (revision 353)
> > +++ run-time/avatar/src/main/resources/com_sun_faces_ajax.js
> > (working copy)
> > @@ -124,18 +124,33 @@
> > }
> > };
> >
> > +DynaFaces.trim = function trim(toTrim) {
> > + var result = null;
> > + if (null != toTrim) {
> > + var s = toTrim.replace( /^\s+/g, "" );
> > + result = s.replace( /\s+$/g, "" );
> > + }
> > + return result;
> > +};
> >
> > +DynaFaces.reduce = function reduce(toReduce) {
> > + return toReduce.length > 1 ? toReduce : toReduce[0];
> > +};
> >
> > -/* Object Extensions
> > - ***********************************************************/
> > -Object.extend(String.prototype, {
> > - trim: function() {
> > - var s = this.replace( /^\s+/g, "" );
> > - return s.replace( /\s+$/g, "" );
> > +DynaFaces.$ = function () {
> > + var results = [], element;
> > + for (var i = 0; i < arguments.length; i++) {
> > + element = arguments[i];
> > + if (typeof element == 'string') {
> > + element = document.getElementById(element);
> > }
> > -});
> > -Object.extend(Element, {
> > - elementReplace: function elementReplace(d, tempTagName, src) {
> > + results.push(element);
> > + }
> > + return DynaFaces.reduce(results);
> > +
> > +};
> > +
> > +DynaFaces.elementReplace = function elementReplace(d, tempTagName,
> > +src) {
> > var parent = d.parentNode;
> > var temp = document.createElement(tempTagName);
> > var result = null;
> > @@ -195,9 +210,10 @@
> > result = temp
> > parent.replaceChild(temp, d);
> > return result;
> > - },
> > - replace: function(dest, src) {
> > +};
> >
> > +DynaFaces.replace = function replace(dest, src) {
> > +
> > // If this partial response is the entire view...
> > if (-1 != dest.indexOf(DynaFaces.gViewRoot)) {
> > // if src contains <html>, trim the <html> and </html>,
> if present.
> > @@ -267,7 +283,7 @@
> >
> > }
> > else {
> > - var d = $(dest);
> > + var d = DynaFaces.$(dest);
> > if (!d) {
> > alert(dest + " not found");
> > }
> > @@ -282,46 +298,47 @@
> > }
> > return result;
> >
> > - },
> > - serialize: function(e) {
> > - var str = (e.xml) ? this.serializeIE(e) :
> this.serializeMozilla(e);
> > - return str;
> > - },
> > - serializeIE: function(e) {
> > - return e.xml;
> > - },
> > - serializeMozilla: function(e) {
> > - return new XMLSerializer().serializeToString(e);
> > - },
> > - firstElement: function(e) {
> > - var first = e.firstChild;
> > - while (first && first.nodeType != 1) {
> > - first = first.nextSibling;
> > - }
> > - return first;
> > - }
> > -});
> > -function $Error(e) {
> > - if (e.message) {
> > - return '['+e.lineNumber+'] ' + e.message;
> > - } else {
> > - return e.toString();
> > - }
> > };
> > -function $Form(src) {
> > - if (src) {
> > - var form = $(src);
> > - while (form && form.tagName &&
> form.tagName.toLowerCase() != 'form') {
> > - if (form.form) return form.form;
> > - if (form.parentNode) {
> > - form = form.parentNode;
> > - } else {
> > - form = null;
> > - }
> > - }
> > - if (form) return form;
> > +
> > +DynaFaces.serialize = function serialize(e) {
> > + var str = (e.xml) ? this.serializeIE(e) :
> this.serializeMozilla(e);
> > + return str;
> > +};
> > +
> > +DynaFaces.serializeIE = function serializeIE(e) {
> > + return e.xml;
> > +};
> > +
> > +DynaFaces.serializeMozilla = function serializeMozilla(e) {
> > + return new XMLSerializer().serializeToString(e);
> > +};
> > +
> > +DynaFaces.firstElement = function firstElement(e) {
> > + var first = e.firstChild;
> > + while (first && first.nodeType != 1) {
> > + first = first.nextSibling;
> > + }
> > + return first;
> > +};
> > +
> > +
> > +
> > +/* Object Extensions
> > + ***********************************************************/
> > +DynaFaces.getForm = function getForm(src) {
> > + if (src) {
> > + var form = DynaFaces.$(src);
> > + while (form && form.tagName &&
> form.tagName.toLowerCase() != 'form') {
> > + if (form.form) return form.form;
> > + if (form.parentNode) {
> > + form = form.parentNode;
> > + } else {
> > + form = null;
> > + }
> > }
> > - return document.forms[0];
> > + if (form) return form;
> > + }
> > + return document.forms[0];
> > };
> >
> > /* Facelet Utility Class
> > @@ -344,7 +361,7 @@
> > },
> > toArray: function(s,e) {
> > if (typeof s == 'string') {
> > - return s.split((e)?e:'
> ').map(function(p) { return p.trim(); });
> > + return s.split((e)?e:'
> ').map(function(p) { return
> > +DynaFaces.trim(p); });
> > }
> > return s;
> > },
> > @@ -353,6 +370,158 @@
> > }
> > };
> >
> > +DynaFaces.ViewState = {
> > + setOptions: function(options) {
> > + this.options= {};
> > + for (prop in options) {
> > + this.options[prop] = prop;
> > + }
> > + },
> > + initialize: function(form, options) {
> > + this.setOptions(options);
> > +
> > + // Skip the traversal if the user elected to have more
> control over
> > + // the post data.
> > + var collectPostDataType = typeof this.options.collectPostData;
> > + var inputsType = typeof this.options.inputs;
> > + if (('void' != collectPostDataType && 'undefined' !=
> collectPostDataType) ||
> > + ('void' != inputsType && 'undefined' !=
> collectPostDataType)) {
> > + // Just get the state data.
> > + var viewState = DynaFaces.$(DynaFaces.gViewState);
> > + t = viewState.tagName.toLowerCase();
> > + p = Form.Element.Serializers[t](viewState);
> > + if (p && p[0].length != 0) {
> > + if (p[1].constructor != Array) {
> > + p[1] = [p[1]];
> > + }
> > + if (this[p[0]]) {
> > + this[p[0]] = this[p[0]].concat(p[1]);
> > + }
> > + else {
> > + this[p[0]] = p[1];
> > + }
> > + }
> > +
> > + return;
> > + }
> > + var e = Form.getElements(DynaFaces.$(form));
> > + var t,p;
> > + // Traverse the elements of the form and slam all of
> them into this
> > + // element's property set.
> > + for (var i = 0; i < e.length; i++) {
> > + if (Faces.ViewState.Ignore.indexOf(e[i].type) == -1) {
> > + t = e[i].tagName.toLowerCase();
> > + p = Form.Element.Serializers[t](e[i]);
> > + if (p && p[0].length != 0) {
> > + if (p[1].constructor != Array) {
> > + p[1] = [p[1]];
> > + }
> > + // Don't concatenate the viewState.
> > + if (this[p[0]] && -1 ==
> DynaFaces.gViewState.indexOf(p[0])) {
> > + this[p[0]] = this[p[0]].concat(p[1]);
> > + }
> > + else {
> > + this[p[0]] = p[1];
> > + }
> > + }
> > + }
> > + };
> > + // For good measure,
> > + var source = this.options.source;
> > + // add source
> > + var action = DynaFaces.$(source);
> > + if (action && action.form) {
> > + this[action.name] = action.value || 'x';
> > + }
> > + else {
> > + this[source] = source;
> > + }
> > +
> > + },
> > + toQueryString: function() {
> > + var q = new Array();
> > + var i,j,p,v;
> > +
> > + if (this.options.inputs) {
> > + if (this[DynaFaces.gViewState]) {
> > + p = encodeURIComponent(DynaFaces.gViewState);
> > + v = encodeURIComponent(this[DynaFaces.gViewState]);
> > + q.push(p+'='+v);
> > + }
> > + var inputs = this.options.inputs.split(",");
> > + if (inputs) {
> > + for (i = 0; i < inputs.length; i++) {
> > + if (this[inputs[i]]) {
> > + p = encodeURIComponent(inputs[i]);
> > + if (this[inputs[i]].constructor == Array) {
> > + for (j = 0; j <
> this[inputs[i]].length; j++){
> > + v = this[inputs[i]][j];
> > + if (null != v) {
> > + v = encodeURIComponent(v);
> > + q.push(p+'='+v);
> > + }
> > + }
> > + } else {
> > + v = encodeURIComponent(this[inputs[i]]);
> > + q.push(p+'='+v);
> > + }
> > + }
> > + else {
> > + var input = document.getElementById(inputs[i]);
> > + if (input) {
> > + p = inputs[i];
> > + v = encodeURIComponent(input.value || "");
> > + q.push(p+'='+v);
> > + }
> > + }
> > + }
> > + }
> > + }
> > + else {
> > + for (property in this) {
> > + if (this[property]) {
> > + if (typeof this[property] == 'function') continue;
> > + p = encodeURIComponent(property);
> > + if (this[property].constructor == Array) {
> > + for (j = 0; j < this[property].length; j++) {
> > + v = this[property][j];
> > + if (null != v) {
> > + v = encodeURIComponent(v);
> > + q.push(p+'='+v);
> > + }
> > + }
> > + } else {
> > + v = encodeURIComponent(this[property]);
> > + q.push(p+'='+v);
> > + }
> > + }
> > + }
> > + }
> > + if (this.options.parameters) {
> > + q.push(this.options.parameters);
> > + }
> > + if (typeof this.options.collectPostData == 'function') {
> > + this.options.collectPostData(this.options.ajaxZone,
> this.options.source,
> > + q);
> > + }
> > + else if (typeof
> DynaFaces.gGlobalScope[this.options.collectPostData] == 'function') {
> > +
> DynaFaces.gGlobalScope[this.options.collectPostData](this.opti
> ons.ajaxZone,
> > +
> this.options.source, q);
> > + }
> > +
> > + if (this.options.action) {
> > + p = (this.options.ajaxZone) ? this.options.ajaxZone.id :
> > + this.options.source.id || this.options.source.name;
> > + q.push(encodeURIComponent(p)+'='+
> > + encodeURIComponent(this.options.action));
> > + }
> > +
> > + return q.join('&');
> > + }
> > +};
> > +DynaFaces.ViewState.CommandType = ['button','submit','reset'];
> > +DynaFaces.ViewState.Ignore = ['button','submit','reset','image'];
> > +
> > /* ViewState Hash over a given Form
> > ***********************************************************/
> > Faces.ViewState = Class.create();
> > @@ -374,7 +543,7 @@
> > if (('void' != collectPostDataType && 'undefined' !=
> collectPostDataType) ||
> > ('void' != inputsType && 'undefined' !=
> collectPostDataType)) {
> > // Just get the state data.
> > - var viewState = $(DynaFaces.gViewState);
> > + var viewState = DynaFaces.$(DynaFaces.gViewState);
> > t = viewState.tagName.toLowerCase();
> > p = Form.Element.Serializers[t](viewState);
> > if (p && p[0].length != 0) {
> > @@ -391,7 +560,7 @@
> >
> > return;
> > }
> > - var e = Form.getElements($(form));
> > + var e = Form.getElements(DynaFaces.$(form));
> > var t,p;
> > // Traverse the elements of the form and slam all of
> them into this
> > // element's property set.
> > @@ -416,7 +585,7 @@
> > // For good measure,
> > var source = this.options.source;
> > // add source
> > - var action = $(source);
> > + var action = DynaFaces.$(source);
> > if (action && action.form) {
> > this[action.name] = action.value || 'x';
> > }
> > @@ -519,7 +688,7 @@
> > this.options.method = 'post';
> >
> > // get form
> > - this.form = $Form(source);
> > + this.form = DynaFaces.getForm(source);
> > this.url = this.form.action;
> >
> > // create viewState
> > @@ -555,7 +724,7 @@
> >
> > // add methodName
> > if (this.options.methodName) {
> > - var sourceId = $(source).id || $(source).name;
> > + var sourceId = DynaFaces.$(source).id ||
> > +DynaFaces.$(source).name;
> > sourceId += "," + this.options.methodName;
> > if (this.options.phaseId) {
> > sourceId += "," + this.options.phaseId;
> @@ -670,7 +839,7 @@
> > }
> > else {
> > // Otherwise, just do our element replacement.
> > - Element.replace(id, str);
> > + DynaFaces.replace(id, str);
> > }
> >
> > // If the user specified a postReplace...
> > @@ -681,7 +850,7 @@
> > // If its type is already a function...
> > if (optionType == 'function') {
> > // invoke it.
> > - this.options.postReplace($(id), markup,
> > + this.options.postReplace(DynaFaces.$(id), markup,
> > this.options.closure,
> > xjson);
> > }
> > @@ -690,7 +859,7 @@
> > else if (typeof
> DynaFaces.gGlobalScope[this.options.postReplace] ==
> > 'function') {
> > // invoke it.
> > -
DynaFaces.gGlobalScope[this.options.postReplace]($(id), markup,
> > +
> > +DynaFaces.gGlobalScope[this.options.postReplace](DynaFaces.$(id),
> > +markup,
> >
> this.options.closure,
> > xjson);
> > }
> > @@ -706,7 +875,7 @@
> > // not just the zeroth.
> > var state = state ||
> xml.getElementsByTagName('state')[0].firstChild;
> > if (state) {
> > - var hf = $(DynaFaces.gViewState);
> > + var hf = DynaFaces.$(DynaFaces.gViewState);
> > if (hf) {
> > hf.value = state.text || state.data;
> > }
> > @@ -773,7 +942,7 @@
> > var ea = Faces.toArray(events);
> > for (var i = 0; i < ta.length; i++) {
> > for (var j = 0; j < ea.length; j++) {
> > - Event.observe($(ta[i]),ea[j],fn,true);
> > +
> Event.observe(DynaFaces.$(ta[i]),ea[j],fn,true);
> > }
> > }
> > }
> > Index: run-time/avatar/src/main/resources/com_sun_faces_ajax_zone.js
> > ===============================================================
> > ====
> > --- run-time/avatar/src/main/resources/com_sun_faces_ajax_zone.js
> > (revision 353)
> > +++ run-time/avatar/src/main/resources/com_sun_faces_ajax_zone.js
> > (working copy)
> > @@ -94,7 +94,8 @@
> > if (DynaFaces.isJsfCommandLink(element) && 'click' ===
> options.eventType) {
> > element["onclick"] = null;
> > }
> > - var c = new Faces.DeferredEvent(element,
> options.eventType, options);
> > + DynaFaces.installDeferredAjaxTransaction(element,
> options.eventType,
> > + options);
> > }
> >
> > DynaFacesZones.takeActionAndTraverseTree =
> >
> >
> >
>
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