Added a fix for IE for binding events onto IFrame content.

[jquery.git] / jquery / jquery.js

diff --git a/jquery/jquery.js b/jquery/jquery.js
index 8ca3870..419b6e1 100644 (file)
--- a/jquery/jquery.js
+++ b/jquery/jquery.js
@@ -12,11 +12,35 @@
 // Global undefined variable
 window.undefined = window.undefined;
 
+// Map over the $ in case of overwrite
+if ( $ ) var _$ = $;
+
 /**
  * Create a new jQuery Object
  * @constructor
  */
-function jQuery(a,c) {
+var $ = jQuery = function(a,c) {
+       /*
+       * Handle support for overriding other $() functions. Way too many libraries
+       * provide this function to simply ignore it and overwrite it.
+       */
+
+       // Check to see if this is a possible collision case
+       if ( _$ && !c && ( a.constructor == String && 
+      
+               // Make sure that the expression is a colliding one
+               !/[^a-zA-Z0-9_-]/.test(a) &&
+        
+               // and that there are no elements that match it
+               // (this is the one truly ambiguous case)
+               !document.getElementsByTagName(a).length ) ||
+
+               // Watch for an array being passed in (Prototype 1.5)
+               a.constructor == Array )
+
+                       // Use the default method, in case it works some voodoo
+                       return _$( a );
+
        // Watch for when a jQuery object is passed in as an arg
        if ( a && a.jquery )
                return a;
@@ -32,37 +56,6 @@ function jQuery(a,c) {
        );
 }
 
-/**
- * The jQuery query object.
- */
-if ( !window.$ )
-  var $ = jQuery;
-
-/*
- * Handle support for overriding other $() functions. Way too many libraries
- * provide this function to simply ignore it and overwrite it.
- */
-else
-  var $ = function(a,c) {
-    // Check to see if this is a possible collision case
-    if ( !c && a.constructor == String && 
-      
-        // Make sure that the expression is a colliding one
-        !/[^a-zA-Z0-9_-]/.test(a) &&
-        
-        // and that there are no elements that match it
-        // (this is the one truly ambiguous case)
-        !document.getElementsByTagName(a).length ) {
-          
-      // Only return the element if it's  found
-      var obj = document.getElementById(a);
-      if ( obj ) return obj;
-      
-    }
-    
-    return jQuery(a,c);
-  };
-
 jQuery.fn = jQuery.prototype = {
        /**
         * The current SVN version of jQuery.
@@ -811,15 +804,20 @@ jQuery.event = {
        },
        
        handle: function(event) {
-               if ( !event && !window.event ) return;
+               // Handle adding events to items in IFrames, in IE
+               event = event ||
+                       jQuery.event.fix( ((this.ownerDocument || this.document || 
+                               this).parentWindow || window).event );
+
+               // If no correct event was found, fail
+               if ( !event ) return;
        
                var returnValue = true, handlers = [];
-               event = event || jQuery.event.fix(window.event);
        
                for ( var j in this.events[event.type] )
                        handlers[handlers.length] = this.events[event.type][j];
        
-               for ( var i = 0; i < handlers.length; i++ ) {
+               for ( var i = 0; i < handlers.length; i++ )
                        if ( handlers[i].constructor == Function ) {
                                this.handleEvent = handlers[i];
                                if (this.handleEvent(event) === false) {
@@ -828,18 +826,19 @@ jQuery.event = {
                                        returnValue = false;
                                }
                        }
-               }
                return returnValue;
        },
        
        fix: function(event) {
-               event.preventDefault = function() {
-                       this.returnValue = false;
-               };
+               if ( event ) {
+                       event.preventDefault = function() {
+                               this.returnValue = false;
+                       };
                
-               event.stopPropagation = function() {
-                       this.cancelBubble = true;
-               };
+                       event.stopPropagation = function() {
+                               this.cancelBubble = true;
+                       };
+               }
                
                return event;
        }