From 8dc4f4623354b65a639ac3c8981e1c362801d722 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sun, 12 Feb 2006 20:10:59 +0000
Subject: Also support replace and replace_html and some refactoring in
 JavaScriptElementProxy [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3588 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../action_view/helpers/javascripts/prototype.js   | 47 +++++++++++-----------
 1 file changed, 24 insertions(+), 23 deletions(-)

(limited to 'actionpack/lib/action_view/helpers/javascripts/prototype.js')

diff --git a/actionpack/lib/action_view/helpers/javascripts/prototype.js b/actionpack/lib/action_view/helpers/javascripts/prototype.js
index f37149127f..62ee54efc1 100644
--- a/actionpack/lib/action_view/helpers/javascripts/prototype.js
+++ b/actionpack/lib/action_view/helpers/javascripts/prototype.js
@@ -436,7 +436,8 @@ var Enumerable = {
 
     var collections = [this].concat(args).map($A);
     return this.map(function(value, index) {
-      return iterator(collections.pluck(index));
+      iterator(value = collections.pluck(index));
+      return value;
     });
   },
 
@@ -942,19 +943,6 @@ Object.extend(Element, {
     setTimeout(function() {html.evalScripts()}, 10);
   },
 
-  replace: function(element, html) {
-    element = $(element);
-    if (element.outerHTML) {
-      element.outerHTML = html.stripScripts();
-    } else {
-      var range = element.ownerDocument.createRange();
-      range.selectNodeContents(element);
-      element.parentNode.replaceChild(
-        range.createContextualFragment(html.stripScripts()), element);
-    }
-    setTimeout(function() {html.evalScripts()}, 10);
-  },
-
   getHeight: function(element) {
     element = $(element);
     return element.offsetHeight;
@@ -1317,8 +1305,18 @@ var Field = {
       $(arguments[i]).value = '';
   },
 
-  focus: function(element) {
-    $(element).focus();
+  // Pass the field id or element as the first parameter and optionally a triggering delay in micro-seconds as the second.
+  // The delay is useful when the focus is part of effects that won't finish instantly since they prevent the focus from
+  // taking hold. Set the delay to right after the effect finishes and the focus will work.
+  focus: function() {
+    element = $(arguments[0]);
+    delay   = arguments[1];
+    
+    if (delay) {
+      setTimeout(function() { $(element).focus(); }, delay)
+    } else {
+      $(element).focus();
+    }
   },
 
   present: function() {
@@ -1551,15 +1549,16 @@ Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
 
 Abstract.EventObserver = function() {}
 Abstract.EventObserver.prototype = {
-  initialize: function(element, callback) {
-    this.element  = $(element);
-    this.callback = callback;
+  initialize: function() {
+    this.element  = $(arguments[0]);
+    this.callback = arguments[1];
+    this.trigger  = arguments[2];
 
     this.lastValue = this.getValue();
     if (this.element.tagName.toLowerCase() == 'form')
       this.registerFormCallbacks();
     else
-      this.registerCallback(this.element);
+      this.registerCallback(this.element, this.trigger);
   },
 
   onElementEvent: function() {
@@ -1573,11 +1572,13 @@ Abstract.EventObserver.prototype = {
   registerFormCallbacks: function() {
     var elements = Form.getElements(this.element);
     for (var i = 0; i < elements.length; i++)
-      this.registerCallback(elements[i]);
+      this.registerCallback(elements[i], this.trigger);
   },
 
-  registerCallback: function(element) {
-    if (element.type) {
+  registerCallback: function(element, trigger) {
+    if (trigger && element.type) {
+      Event.observe(element, trigger, this.onElementEvent.bind(this));
+    } else if (element.type) {
       switch (element.type.toLowerCase()) {
         case 'checkbox':
         case 'radio':
-- 
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