X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fdimensions%2Fdimensions.js;h=6a7d20a77e012d4b074d24afa9670daeb043a256;hb=c26ae24a1be9fda111f2c3fc69a3e865bfc1ec31;hp=6e6e6d6b47041c99e2d41caa1bdf1050856491a0;hpb=76188ae4572aee777e60ab3ae9fdafe17d7004f5;p=jquery.git

diff --git a/src/dimensions/dimensions.js b/src/dimensions/dimensions.js
index 6e6e6d6..6a7d20a 100644
--- a/src/dimensions/dimensions.js
+++ b/src/dimensions/dimensions.js
@@ -9,21 +9,21 @@
  * If used on window, returns the viewport's (window) height
  *
  * @example $("#testdiv").height()
- * @result "200px"
- *
- * @example $(document).height();
- * @result 800
- *
- * @example $(window).height();
+ * @result "200px"
+ *
+ * @example $(document).height();
+ * @result 800
+ *
+ * @example $(window).height();
  * @result 400
  * 
  * @name height
  * @type Object
  * @cat Dimensions
  */
-$.fn.height = function() {
-	if ( this.get(0) == window )
-		return self.innerHeight ||
+jQuery.fn.height = function() {
+	if ( this.get(0) == window )
+		return self.innerHeight ||
 			jQuery.boxModel && document.documentElement.clientHeight ||
 			document.body.clientHeight;
 	
@@ -31,7 +31,7 @@ $.fn.height = function() {
 		return Math.max( document.body.scrollHeight, document.body.offsetHeight );
 	
 	return this.css("height");
-};
+};
 
 /**
  * Returns the css width value for the first matched element.
@@ -39,21 +39,21 @@ $.fn.height = function() {
  * If used on window, returns the viewport's (window) width
  *
  * @example $("#testdiv").width()
- * @result "200px"
- *
- * @example $(document).width();
- * @result 800
- *
- * @example $(window).width();
+ * @result "200px"
+ *
+ * @example $(document).width();
+ * @result 800
+ *
+ * @example $(window).width();
  * @result 400
  * 
  * @name width
  * @type Object
  * @cat Dimensions
  */
-$.fn.width = function() {
-	if ( this.get(0) == window )
-		return self.innerWidth ||
+jQuery.fn.width = function() {
+	if ( this.get(0) == window )
+		return self.innerWidth ||
 			jQuery.boxModel && document.documentElement.clientWidth ||
 			document.body.clientWidth;
 	
@@ -61,7 +61,7 @@ $.fn.width = function() {
 		return Math.max( document.body.scrollWidth, document.body.offsetWidth );
 	
 	return this.css("width");
-};
+};
 
 /**
  * Returns the inner height value (without border) for the first matched element.
@@ -75,11 +75,11 @@ $.fn.width = function() {
  * @type Number
  * @cat Dimensions
  */
-$.fn.innerHeight = function() {
-	return this.get(0) == window || this.get(0) == document ?
-		this.height() :
+jQuery.fn.innerHeight = function() {
+	return this.get(0) == window || this.get(0) == document ?
+		this.height() :
 		this.get(0).offsetHeight - parseInt(this.css("borderTop") || 0) - parseInt(this.css("borderBottom") || 0);
-};
+};
 
 /**
  * Returns the inner width value (without border) for the first matched element.
@@ -93,11 +93,11 @@ $.fn.innerHeight = function() {
  * @type Number
  * @cat Dimensions
  */
-$.fn.innerWidth = function() {
-	return this.get(0) == window || this.get(0) == document ?
-		this.width() :
+jQuery.fn.innerWidth = function() {
+	return this.get(0) == window || this.get(0) == document ?
+		this.width() :
 		this.get(0).offsetWidth - parseInt(this.css("borderLeft") || 0) - parseInt(this.css("borderRight") || 0);
-};
+};
 
 /**
  * Returns the outer height value (including border) for the first matched element.
@@ -110,11 +110,11 @@ $.fn.innerWidth = function() {
  * @type Number
  * @cat Dimensions
  */
-$.fn.outerHeight = function() {
-	return this.get(0) == window || this.get(0) == document ?
-		this.height() :
+jQuery.fn.outerHeight = function() {
+	return this.get(0) == window || this.get(0) == document ?
+		this.height() :
 		this.get(0).offsetHeight;	
-};
+};
 
 /**
  * Returns the outer width value (including border) for the first matched element.
@@ -127,11 +127,11 @@ $.fn.outerHeight = function() {
  * @type Number
  * @cat Dimensions
  */
-$.fn.outerWidth = function() {
-	return this.get(0) == window || this.get(0) == document ?
-		this.width() :
+jQuery.fn.outerWidth = function() {
+	return this.get(0) == window || this.get(0) == document ?
+		this.width() :
 		this.get(0).offsetWidth;	
-};
+};
 
 /**
  * Returns how many pixels the user has scrolled to the right (scrollLeft).
@@ -144,14 +144,14 @@ $.fn.outerWidth = function() {
  * @type Number
  * @cat Dimensions
  */
-$.fn.scrollLeft = function() {
-	if ( this.get(0) == window || this.get(0) == document )
-		return self.pageXOffset ||
-			jQuery.boxModel && document.documentElement.scrollLeft ||
-			document.body.scrollLeft;
+jQuery.fn.scrollLeft = function() {
+	if ( this.get(0) == window || this.get(0) == document )
+		return self.pageXOffset ||
+			jQuery.boxModel && document.documentElement.scrollLeft ||
+			document.body.scrollLeft;
 	
 	return this.get(0).scrollLeft;
-};
+};
 
 /**
  * Returns how many pixels the user has scrolled to the bottom (scrollTop).
@@ -164,11 +164,144 @@ $.fn.scrollLeft = function() {
  * @type Number
  * @cat Dimensions
  */
-$.fn.scrollTop = function() {
-	if ( this.get(0) == window || this.get(0) == document )
-		return self.pageYOffset ||
-			jQuery.boxModel && document.documentElement.scrollTop ||
-			document.body.scrollTop;
+jQuery.fn.scrollTop = function() {
+	if ( this.get(0) == window || this.get(0) == document )
+		return self.pageYOffset ||
+			jQuery.boxModel && document.documentElement.scrollTop ||
+			document.body.scrollTop;
 
 	return this.get(0).scrollTop;
+};
+
+/**
+ * This returns an object with top, left, width, height, borderLeft,
+ * borderTop, marginLeft, marginTop, scrollLeft, scrollTop, 
+ * pageXOffset, pageYOffset.
+ *
+ * The top and left values include the scroll offsets but the
+ * scrollLeft and scrollTop properties of the returned object
+ * are the combined scroll offets of the parent elements 
+ * (not including the window scroll offsets). This is not the
+ * same as the element's scrollTop and scrollLeft.
+ * 
+ * For accurate readings make sure to use pixel values.
+ *
+ * @name offset	
+ * @type Object
+ * @cat Dimensions
+ * @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
+ */
+/**
+ * This returns an object with top, left, width, height, borderLeft,
+ * borderTop, marginLeft, marginTop, scrollLeft, scrollTop, 
+ * pageXOffset, pageYOffset.
+ *
+ * The top and left values include the scroll offsets but the
+ * scrollLeft and scrollTop properties of the returned object
+ * are the combined scroll offets of the parent elements 
+ * (not including the window scroll offsets). This is not the
+ * same as the element's scrollTop and scrollLeft.
+ * 
+ * For accurate readings make sure to use pixel values.
+ *
+ * @name offset	
+ * @type Object
+ * @param String refElement This is an expression. The offset returned will be relative to the first matched element.
+ * @cat Dimensions
+ * @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
+ */
+/**
+ * This returns an object with top, left, width, height, borderLeft,
+ * borderTop, marginLeft, marginTop, scrollLeft, scrollTop, 
+ * pageXOffset, pageYOffset.
+ *
+ * The top and left values include the scroll offsets but the
+ * scrollLeft and scrollTop properties of the returned object
+ * are the combined scroll offets of the parent elements 
+ * (not including the window scroll offsets). This is not the
+ * same as the element's scrollTop and scrollLeft.
+ * 
+ * For accurate readings make sure to use pixel values.
+ *
+ * @name offset	
+ * @type Object
+ * @param jQuery refElement The offset returned will be relative to the first matched element.
+ * @cat Dimensions
+ * @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
+ */
+/**
+ * This returns an object with top, left, width, height, borderLeft,
+ * borderTop, marginLeft, marginTop, scrollLeft, scrollTop, 
+ * pageXOffset, pageYOffset.
+ *
+ * The top and left values include the scroll offsets but the
+ * scrollLeft and scrollTop properties of the returned object
+ * are the combined scroll offets of the parent elements 
+ * (not including the window scroll offsets). This is not the
+ * same as the element's scrollTop and scrollLeft.
+ * 
+ * For accurate readings make sure to use pixel values.
+ *
+ * @name offset	
+ * @type Object
+ * @param HTMLElement refElement The offset returned will be relative to this element.
+ * @cat Dimensions
+ * @author Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
+ */
+jQuery.fn.offset = function(refElem) {
+	if (!this[0]) throw 'jQuery.fn.offset requires an element.';
+	
+	refElem = (refElem) ? jQuery(refElem)[0] : null;
+	var x = 0, y = 0, elm = this[0], parent = this[0], pos = null, borders = [0,0], isElm = true, sl = 0, st = 0;
+	do {
+		if (parent.tagName == 'BODY' || parent.tagName == 'HTML') {
+			// Safari and IE don't add margin for static and relative
+			if ((jQuery.browser.safari || jQuery.browser.msie) && pos != 'absolute') {
+				x += parseInt(jQuery.css(parent, 'marginLeft')) || 0;
+				y += parseInt(jQuery.css(parent, 'marginTop'))  || 0;
+			}
+			break;
+		}
+		
+		pos    = jQuery.css(parent, 'position');
+		border = [parseInt(jQuery.css(parent, 'borderLeftWidth')) || 0,
+							parseInt(jQuery.css(parent, 'borderTopWidth'))  || 0];
+		sl = parent.scrollLeft;
+		st = parent.scrollTop;
+		
+		x += (parent.offsetLeft || 0) + border[0] - sl;
+		y += (parent.offsetTop  || 0) + border[1] - st;
+		
+		// Safari and Opera include the border already for parents with position = absolute|relative
+		if ((jQuery.browser.safari || jQuery.browser.opera) && !isElm && (pos == 'absolute' || pos == 'relative')) {
+			x -= border[0];
+			y -= border[1];
+		}
+		
+		parent = parent.offsetParent;
+		isElm  = false;
+	} while(parent);
+	
+	if (refElem) {
+		var offset = jQuery(refElem).offset();
+		x  = x  - offset.left;
+		y  = y  - offset.top;
+		sl = sl - offset.scrollLeft;
+		st = st - offset.scrollTop;
+	}
+	
+	return {
+		top:  y,
+		left: x,
+		width:  elm.offsetWidth,
+		height: elm.offsetHeight,
+		borderTop:  parseInt(jQuery.css(elm, 'borderTopWidth'))  || 0,
+		borderLeft: parseInt(jQuery.css(elm, 'borderLeftWidth')) || 0,
+		marginTop:  parseInt(jQuery.css(elm, 'marginTopWidth'))  || 0,
+		marginLeft: parseInt(jQuery.css(elm, 'marginLeftWidth')) || 0,
+		scrollTop:  st,
+		scrollLeft: sl,
+		pageYOffset: window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop  || 0,
+		pageXOffset: window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0
+	};
 };
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