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update dojo to 1.7.3
This commit is contained in:
Andrew Dolgov
751
lib/dojo/dom-geometry.js.uncompressed.js
Normal file
751
lib/dojo/dom-geometry.js.uncompressed.js
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@@ -0,0 +1,751 @@
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define("dojo/dom-geometry", ["./_base/sniff", "./_base/window","./dom", "./dom-style"],
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function(has, win, dom, style){
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// module:
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// dojo/dom-geometry
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// summary:
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// This module defines the core dojo DOM geometry API.
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var geom = {}; // the result object
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// Box functions will assume this model.
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// On IE/Opera, BORDER_BOX will be set if the primary document is in quirks mode.
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// Can be set to change behavior of box setters.
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// can be either:
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// "border-box"
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// "content-box" (default)
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geom.boxModel = "content-box";
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// We punt per-node box mode testing completely.
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// If anybody cares, we can provide an additional (optional) unit
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// that overrides existing code to include per-node box sensitivity.
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// Opera documentation claims that Opera 9 uses border-box in BackCompat mode.
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// but experiments (Opera 9.10.8679 on Windows Vista) indicate that it actually continues to use content-box.
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// IIRC, earlier versions of Opera did in fact use border-box.
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// Opera guys, this is really confusing. Opera being broken in quirks mode is not our fault.
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if(has("ie") /*|| has("opera")*/){
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// client code may have to adjust if compatMode varies across iframes
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geom.boxModel = document.compatMode == "BackCompat" ? "border-box" : "content-box";
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}
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// =============================
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// Box Functions
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// =============================
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/*=====
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dojo.getPadExtents = function(node, computedStyle){
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// summary:
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// Returns object with special values specifically useful for node
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// fitting.
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// description:
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// Returns an object with `w`, `h`, `l`, `t` properties:
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// | l/t/r/b = left/top/right/bottom padding (respectively)
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// | w = the total of the left and right padding
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// | h = the total of the top and bottom padding
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// If 'node' has position, l/t forms the origin for child nodes.
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// The w/h are used for calculating boxes.
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// Normally application code will not need to invoke this
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// directly, and will use the ...box... functions instead.
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// node: DOMNode
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getPadExtents = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getPadExtents`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.getBorderExtents = function(node, computedStyle){
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// summary:
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// returns an object with properties useful for noting the border
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// dimensions.
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// description:
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// * l/t/r/b = the sum of left/top/right/bottom border (respectively)
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// * w = the sum of the left and right border
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// * h = the sum of the top and bottom border
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//
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// The w/h are used for calculating boxes.
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// Normally application code will not need to invoke this
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// directly, and will use the ...box... functions instead.
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// node: DOMNode
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getBorderExtents = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getBorderExtents`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.getPadBorderExtents = function(node, computedStyle){
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// summary:
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// Returns object with properties useful for box fitting with
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// regards to padding.
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// description:
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// * l/t/r/b = the sum of left/top/right/bottom padding and left/top/right/bottom border (respectively)
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// * w = the sum of the left and right padding and border
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// * h = the sum of the top and bottom padding and border
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//
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// The w/h are used for calculating boxes.
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// Normally application code will not need to invoke this
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// directly, and will use the ...box... functions instead.
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// node: DOMNode
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getPadBorderExtents = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getPadBorderExtents`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.getMarginExtents = function(node, computedStyle){
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// summary:
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// returns object with properties useful for box fitting with
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// regards to box margins (i.e., the outer-box).
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//
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// * l/t = marginLeft, marginTop, respectively
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// * w = total width, margin inclusive
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// * h = total height, margin inclusive
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//
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// The w/h are used for calculating boxes.
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// Normally application code will not need to invoke this
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// directly, and will use the ...box... functions instead.
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// node: DOMNode
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getMarginExtents = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getMarginExtents`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.getMarginSize = function(node, computedStyle){
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// summary:
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// returns an object that encodes the width and height of
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// the node's margin box
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// node: DOMNode|String
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getMarginSize = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getMarginSize`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.getMarginBox = function(node, computedStyle){
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// summary:
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// returns an object that encodes the width, height, left and top
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// positions of the node's margin box.
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// node: DOMNode
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getMarginBox = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getMarginBox`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.setMarginBox = function(node, box, computedStyle){
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// summary:
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// sets the size of the node's margin box and placement
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// (left/top), irrespective of box model. Think of it as a
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// passthrough to setBox that handles box-model vagaries for
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// you.
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// node: DOMNode
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// box: Object
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// hash with optional "l", "t", "w", and "h" properties for "left", "right", "width", and "height"
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// respectively. All specified properties should have numeric values in whole pixels.
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo.getContentBox = function(node, computedStyle){
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// summary:
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// Returns an object that encodes the width, height, left and top
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// positions of the node's content box, irrespective of the
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// current box model.
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// node: DOMNode
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo._getContentBox = function(node, computedStyle){
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// summary:
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// Existing alias for `dojo.getContentBox`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.setContentSize = function(node, box, computedStyle){
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// summary:
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// Sets the size of the node's contents, irrespective of margins,
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// padding, or borders.
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// node: DOMNode
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// box: Object
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// hash with optional "w", and "h" properties for "width", and "height"
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// respectively. All specified properties should have numeric values in whole pixels.
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// computedStyle: Object?
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// This parameter accepts computed styles object.
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// If this parameter is omitted, the functions will call
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// dojo.getComputedStyle to get one. It is a better way, calling
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// dojo.computedStyle once, and then pass the reference to this
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// computedStyle parameter. Wherever possible, reuse the returned
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// object of dojo.getComputedStyle.
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};
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=====*/
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/*=====
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dojo.isBodyLtr = function(){
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// summary:
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// Returns true if the current language is left-to-right, and false otherwise.
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// returns: Boolean
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};
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=====*/
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/*=====
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dojo._isBodyLtr = function(){
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// summary:
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// Existing alias for `dojo.isBodyLtr`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.docScroll = function(){
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// summary:
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// Returns an object with {node, x, y} with corresponding offsets.
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// returns: Object
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};
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=====*/
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/*=====
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dojo._docScroll = function(){
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// summary:
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// Existing alias for `dojo.docScroll`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.getIeDocumentElementOffset = function(){
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// summary:
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// returns the offset in x and y from the document body to the
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// visual edge of the page for IE
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// description:
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// The following values in IE contain an offset:
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// | event.clientX
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// | event.clientY
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// | node.getBoundingClientRect().left
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// | node.getBoundingClientRect().top
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// But other position related values do not contain this offset,
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// such as node.offsetLeft, node.offsetTop, node.style.left and
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// node.style.top. The offset is always (2, 2) in LTR direction.
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// When the body is in RTL direction, the offset counts the width
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// of left scroll bar's width. This function computes the actual
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// offset.
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};
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=====*/
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/*=====
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dojo._getIeDocumentElementOffset = function(){
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// summary:
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// Existing alias for `dojo.getIeDocumentElementOffset`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.fixIeBiDiScrollLeft = function(scrollLeft){
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// summary:
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// In RTL direction, scrollLeft should be a negative value, but IE
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// returns a positive one. All codes using documentElement.scrollLeft
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// must call this function to fix this error, otherwise the position
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// will offset to right when there is a horizontal scrollbar.
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// scrollLeft: NUmber
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// returns: Number
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};
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=====*/
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/*=====
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dojo._fixIeBiDiScrollLeft = function(scrollLeft){
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// summary:
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// Existing alias for `dojo.fixIeBiDiScrollLeft`. Deprecated, will be removed in 2.0.
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};
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=====*/
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/*=====
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dojo.position = function(node, includeScroll){
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// summary:
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// Gets the position and size of the passed element relative to
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// the viewport (if includeScroll==false), or relative to the
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// document root (if includeScroll==true).
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//
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// description:
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// Returns an object of the form:
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// { x: 100, y: 300, w: 20, h: 15 }
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// If includeScroll==true, the x and y values will include any
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// document offsets that may affect the position relative to the
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// viewport.
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// Uses the border-box model (inclusive of border and padding but
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// not margin). Does not act as a setter.
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// node: DOMNode|String
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// includeScroll: Boolean?
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// returns: Object
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};
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=====*/
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geom.getPadExtents = function getPadExtents(/*DomNode*/node, /*Object*/computedStyle){
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node = dom.byId(node);
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var s = computedStyle || style.getComputedStyle(node), px = style.toPixelValue,
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l = px(node, s.paddingLeft), t = px(node, s.paddingTop), r = px(node, s.paddingRight), b = px(node, s.paddingBottom);
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return {l: l, t: t, r: r, b: b, w: l + r, h: t + b};
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};
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var none = "none";
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geom.getBorderExtents = function getBorderExtents(/*DomNode*/node, /*Object*/computedStyle){
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node = dom.byId(node);
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var px = style.toPixelValue, s = computedStyle || style.getComputedStyle(node),
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l = s.borderLeftStyle != none ? px(node, s.borderLeftWidth) : 0,
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t = s.borderTopStyle != none ? px(node, s.borderTopWidth) : 0,
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r = s.borderRightStyle != none ? px(node, s.borderRightWidth) : 0,
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b = s.borderBottomStyle != none ? px(node, s.borderBottomWidth) : 0;
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return {l: l, t: t, r: r, b: b, w: l + r, h: t + b};
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};
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geom.getPadBorderExtents = function getPadBorderExtents(/*DomNode*/node, /*Object*/computedStyle){
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||||
node = dom.byId(node);
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var s = computedStyle || style.getComputedStyle(node),
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p = geom.getPadExtents(node, s),
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b = geom.getBorderExtents(node, s);
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return {
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l: p.l + b.l,
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t: p.t + b.t,
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||||
r: p.r + b.r,
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||||
b: p.b + b.b,
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||||
w: p.w + b.w,
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h: p.h + b.h
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||||
};
|
||||
};
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||||
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||||
geom.getMarginExtents = function getMarginExtents(node, computedStyle){
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||||
node = dom.byId(node);
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||||
var s = computedStyle || style.getComputedStyle(node), px = style.toPixelValue,
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||||
l = px(node, s.marginLeft), t = px(node, s.marginTop), r = px(node, s.marginRight), b = px(node, s.marginBottom);
|
||||
if(has("webkit") && (s.position != "absolute")){
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||||
// FIXME: Safari's version of the computed right margin
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||||
// is the space between our right edge and the right edge
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// of our offsetParent.
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// What we are looking for is the actual margin value as
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// determined by CSS.
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||||
// Hack solution is to assume left/right margins are the same.
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r = l;
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||||
}
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return {l: l, t: t, r: r, b: b, w: l + r, h: t + b};
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||||
};
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||||
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||||
// Box getters work in any box context because offsetWidth/clientWidth
|
||||
// are invariant wrt box context
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||||
//
|
||||
// They do *not* work for display: inline objects that have padding styles
|
||||
// because the user agent ignores padding (it's bogus styling in any case)
|
||||
//
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||||
// Be careful with IMGs because they are inline or block depending on
|
||||
// browser and browser mode.
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||||
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||||
// Although it would be easier to read, there are not separate versions of
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||||
// _getMarginBox for each browser because:
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||||
// 1. the branching is not expensive
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||||
// 2. factoring the shared code wastes cycles (function call overhead)
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||||
// 3. duplicating the shared code wastes bytes
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||||
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||||
geom.getMarginBox = function getMarginBox(/*DomNode*/node, /*Object*/computedStyle){
|
||||
// summary:
|
||||
// returns an object that encodes the width, height, left and top
|
||||
// positions of the node's margin box.
|
||||
node = dom.byId(node);
|
||||
var s = computedStyle || style.getComputedStyle(node), me = geom.getMarginExtents(node, s),
|
||||
l = node.offsetLeft - me.l, t = node.offsetTop - me.t, p = node.parentNode, px = style.toPixelValue, pcs;
|
||||
if(has("mozilla")){
|
||||
// Mozilla:
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||||
// If offsetParent has a computed overflow != visible, the offsetLeft is decreased
|
||||
// by the parent's border.
|
||||
// We don't want to compute the parent's style, so instead we examine node's
|
||||
// computed left/top which is more stable.
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||||
var sl = parseFloat(s.left), st = parseFloat(s.top);
|
||||
if(!isNaN(sl) && !isNaN(st)){
|
||||
l = sl, t = st;
|
||||
}else{
|
||||
// If child's computed left/top are not parseable as a number (e.g. "auto"), we
|
||||
// have no choice but to examine the parent's computed style.
|
||||
if(p && p.style){
|
||||
pcs = style.getComputedStyle(p);
|
||||
if(pcs.overflow != "visible"){
|
||||
l += pcs.borderLeftStyle != none ? px(node, pcs.borderLeftWidth) : 0;
|
||||
t += pcs.borderTopStyle != none ? px(node, pcs.borderTopWidth) : 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}else if(has("opera") || (has("ie") == 8 && !has("quirks"))){
|
||||
// On Opera and IE 8, offsetLeft/Top includes the parent's border
|
||||
if(p){
|
||||
pcs = style.getComputedStyle(p);
|
||||
l -= pcs.borderLeftStyle != none ? px(node, pcs.borderLeftWidth) : 0;
|
||||
t -= pcs.borderTopStyle != none ? px(node, pcs.borderTopWidth) : 0;
|
||||
}
|
||||
}
|
||||
return {l: l, t: t, w: node.offsetWidth + me.w, h: node.offsetHeight + me.h};
|
||||
};
|
||||
|
||||
geom.getContentBox = function getContentBox(node, computedStyle){
|
||||
// clientWidth/Height are important since the automatically account for scrollbars
|
||||
// fallback to offsetWidth/Height for special cases (see #3378)
|
||||
node = dom.byId(node);
|
||||
var s = computedStyle || style.getComputedStyle(node), w = node.clientWidth, h,
|
||||
pe = geom.getPadExtents(node, s), be = geom.getBorderExtents(node, s);
|
||||
if(!w){
|
||||
w = node.offsetWidth;
|
||||
h = node.offsetHeight;
|
||||
}else{
|
||||
h = node.clientHeight;
|
||||
be.w = be.h = 0;
|
||||
}
|
||||
// On Opera, offsetLeft includes the parent's border
|
||||
if(has("opera")){
|
||||
pe.l += be.l;
|
||||
pe.t += be.t;
|
||||
}
|
||||
return {l: pe.l, t: pe.t, w: w - pe.w - be.w, h: h - pe.h - be.h};
|
||||
};
|
||||
|
||||
// Box setters depend on box context because interpretation of width/height styles
|
||||
// vary wrt box context.
|
||||
//
|
||||
// The value of dojo.boxModel is used to determine box context.
|
||||
// dojo.boxModel can be set directly to change behavior.
|
||||
//
|
||||
// Beware of display: inline objects that have padding styles
|
||||
// because the user agent ignores padding (it's a bogus setup anyway)
|
||||
//
|
||||
// Be careful with IMGs because they are inline or block depending on
|
||||
// browser and browser mode.
|
||||
//
|
||||
// Elements other than DIV may have special quirks, like built-in
|
||||
// margins or padding, or values not detectable via computedStyle.
|
||||
// In particular, margins on TABLE do not seems to appear
|
||||
// at all in computedStyle on Mozilla.
|
||||
|
||||
function setBox(/*DomNode*/node, /*Number?*/l, /*Number?*/t, /*Number?*/w, /*Number?*/h, /*String?*/u){
|
||||
// summary:
|
||||
// sets width/height/left/top in the current (native) box-model
|
||||
// dimensions. Uses the unit passed in u.
|
||||
// node:
|
||||
// DOM Node reference. Id string not supported for performance
|
||||
// reasons.
|
||||
// l:
|
||||
// left offset from parent.
|
||||
// t:
|
||||
// top offset from parent.
|
||||
// w:
|
||||
// width in current box model.
|
||||
// h:
|
||||
// width in current box model.
|
||||
// u:
|
||||
// unit measure to use for other measures. Defaults to "px".
|
||||
u = u || "px";
|
||||
var s = node.style;
|
||||
if(!isNaN(l)){
|
||||
s.left = l + u;
|
||||
}
|
||||
if(!isNaN(t)){
|
||||
s.top = t + u;
|
||||
}
|
||||
if(w >= 0){
|
||||
s.width = w + u;
|
||||
}
|
||||
if(h >= 0){
|
||||
s.height = h + u;
|
||||
}
|
||||
}
|
||||
|
||||
function isButtonTag(/*DomNode*/node){
|
||||
// summary:
|
||||
// True if the node is BUTTON or INPUT.type="button".
|
||||
return node.tagName.toLowerCase() == "button" ||
|
||||
node.tagName.toLowerCase() == "input" && (node.getAttribute("type") || "").toLowerCase() == "button"; // boolean
|
||||
}
|
||||
|
||||
function usesBorderBox(/*DomNode*/node){
|
||||
// summary:
|
||||
// True if the node uses border-box layout.
|
||||
|
||||
// We could test the computed style of node to see if a particular box
|
||||
// has been specified, but there are details and we choose not to bother.
|
||||
|
||||
// TABLE and BUTTON (and INPUT type=button) are always border-box by default.
|
||||
// If you have assigned a different box to either one via CSS then
|
||||
// box functions will break.
|
||||
|
||||
return geom.boxModel == "border-box" || node.tagName.toLowerCase() == "table" || isButtonTag(node); // boolean
|
||||
}
|
||||
|
||||
geom.setContentSize = function setContentSize(/*DomNode*/node, /*Object*/box, /*Object*/computedStyle){
|
||||
// summary:
|
||||
// Sets the size of the node's contents, irrespective of margins,
|
||||
// padding, or borders.
|
||||
|
||||
node = dom.byId(node);
|
||||
var w = box.w, h = box.h;
|
||||
if(usesBorderBox(node)){
|
||||
var pb = geom.getPadBorderExtents(node, computedStyle);
|
||||
if(w >= 0){
|
||||
w += pb.w;
|
||||
}
|
||||
if(h >= 0){
|
||||
h += pb.h;
|
||||
}
|
||||
}
|
||||
setBox(node, NaN, NaN, w, h);
|
||||
};
|
||||
|
||||
var nilExtents = {l: 0, t: 0, w: 0, h: 0};
|
||||
|
||||
geom.setMarginBox = function setMarginBox(/*DomNode*/node, /*Object*/box, /*Object*/computedStyle){
|
||||
node = dom.byId(node);
|
||||
var s = computedStyle || style.getComputedStyle(node), w = box.w, h = box.h,
|
||||
// Some elements have special padding, margin, and box-model settings.
|
||||
// To use box functions you may need to set padding, margin explicitly.
|
||||
// Controlling box-model is harder, in a pinch you might set dojo.boxModel.
|
||||
pb = usesBorderBox(node) ? nilExtents : geom.getPadBorderExtents(node, s),
|
||||
mb = geom.getMarginExtents(node, s);
|
||||
if(has("webkit")){
|
||||
// on Safari (3.1.2), button nodes with no explicit size have a default margin
|
||||
// setting an explicit size eliminates the margin.
|
||||
// We have to swizzle the width to get correct margin reading.
|
||||
if(isButtonTag(node)){
|
||||
var ns = node.style;
|
||||
if(w >= 0 && !ns.width){
|
||||
ns.width = "4px";
|
||||
}
|
||||
if(h >= 0 && !ns.height){
|
||||
ns.height = "4px";
|
||||
}
|
||||
}
|
||||
}
|
||||
if(w >= 0){
|
||||
w = Math.max(w - pb.w - mb.w, 0);
|
||||
}
|
||||
if(h >= 0){
|
||||
h = Math.max(h - pb.h - mb.h, 0);
|
||||
}
|
||||
setBox(node, box.l, box.t, w, h);
|
||||
};
|
||||
|
||||
// =============================
|
||||
// Positioning
|
||||
// =============================
|
||||
|
||||
geom.isBodyLtr = function isBodyLtr(){
|
||||
return (win.body().dir || win.doc.documentElement.dir || "ltr").toLowerCase() == "ltr"; // Boolean
|
||||
};
|
||||
|
||||
geom.docScroll = function docScroll(){
|
||||
var node = win.doc.parentWindow || win.doc.defaultView; // use UI window, not dojo.global window
|
||||
return "pageXOffset" in node ? {x: node.pageXOffset, y: node.pageYOffset } :
|
||||
(node = has("quirks") ? win.body() : win.doc.documentElement,
|
||||
{x: geom.fixIeBiDiScrollLeft(node.scrollLeft || 0), y: node.scrollTop || 0 });
|
||||
};
|
||||
|
||||
geom.getIeDocumentElementOffset = function getIeDocumentElementOffset(){
|
||||
//NOTE: assumes we're being called in an IE browser
|
||||
|
||||
var de = win.doc.documentElement; // only deal with HTML element here, position() handles body/quirks
|
||||
|
||||
if(has("ie") < 8){
|
||||
var r = de.getBoundingClientRect(), // works well for IE6+
|
||||
l = r.left, t = r.top;
|
||||
if(has("ie") < 7){
|
||||
l += de.clientLeft; // scrollbar size in strict/RTL, or,
|
||||
t += de.clientTop; // HTML border size in strict
|
||||
}
|
||||
return {
|
||||
x: l < 0 ? 0 : l, // FRAME element border size can lead to inaccurate negative values
|
||||
y: t < 0 ? 0 : t
|
||||
};
|
||||
}else{
|
||||
return {
|
||||
x: 0,
|
||||
y: 0
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
geom.fixIeBiDiScrollLeft = function fixIeBiDiScrollLeft(/*Integer*/ scrollLeft){
|
||||
// In RTL direction, scrollLeft should be a negative value, but IE
|
||||
// returns a positive one. All codes using documentElement.scrollLeft
|
||||
// must call this function to fix this error, otherwise the position
|
||||
// will offset to right when there is a horizontal scrollbar.
|
||||
|
||||
var ie = has("ie");
|
||||
if(ie && !geom.isBodyLtr()){
|
||||
var qk = has("quirks"),
|
||||
de = qk ? win.body() : win.doc.documentElement;
|
||||
if(ie == 6 && !qk && win.global.frameElement && de.scrollHeight > de.clientHeight){
|
||||
scrollLeft += de.clientLeft; // workaround ie6+strict+rtl+iframe+vertical-scrollbar bug where clientWidth is too small by clientLeft pixels
|
||||
}
|
||||
return (ie < 8 || qk) ? (scrollLeft + de.clientWidth - de.scrollWidth) : -scrollLeft; // Integer
|
||||
}
|
||||
return scrollLeft; // Integer
|
||||
};
|
||||
|
||||
geom.position = function(/*DomNode*/node, /*Boolean?*/includeScroll){
|
||||
node = dom.byId(node);
|
||||
var db = win.body(),
|
||||
dh = db.parentNode,
|
||||
ret = node.getBoundingClientRect();
|
||||
ret = {x: ret.left, y: ret.top, w: ret.right - ret.left, h: ret.bottom - ret.top};
|
||||
if(has("ie")){
|
||||
// On IE there's a 2px offset that we need to adjust for, see dojo.getIeDocumentElementOffset()
|
||||
var offset = geom.getIeDocumentElementOffset();
|
||||
|
||||
// fixes the position in IE, quirks mode
|
||||
ret.x -= offset.x + (has("quirks") ? db.clientLeft + db.offsetLeft : 0);
|
||||
ret.y -= offset.y + (has("quirks") ? db.clientTop + db.offsetTop : 0);
|
||||
}else if(has("ff") == 3){
|
||||
// In FF3 you have to subtract the document element margins.
|
||||
// Fixed in FF3.5 though.
|
||||
var cs = style.getComputedStyle(dh), px = style.toPixelValue;
|
||||
ret.x -= px(dh, cs.marginLeft) + px(dh, cs.borderLeftWidth);
|
||||
ret.y -= px(dh, cs.marginTop) + px(dh, cs.borderTopWidth);
|
||||
}
|
||||
// account for document scrolling
|
||||
// if offsetParent is used, ret value already includes scroll position
|
||||
// so we may have to actually remove that value if !includeScroll
|
||||
if(includeScroll){
|
||||
var scroll = geom.docScroll();
|
||||
ret.x += scroll.x;
|
||||
ret.y += scroll.y;
|
||||
}
|
||||
|
||||
return ret; // Object
|
||||
};
|
||||
|
||||
// random "private" functions wildly used throughout the toolkit
|
||||
|
||||
geom.getMarginSize = function getMarginSize(/*DomNode*/node, /*Object*/computedStyle){
|
||||
node = dom.byId(node);
|
||||
var me = geom.getMarginExtents(node, computedStyle || style.getComputedStyle(node));
|
||||
var size = node.getBoundingClientRect();
|
||||
return {
|
||||
w: (size.right - size.left) + me.w,
|
||||
h: (size.bottom - size.top) + me.h
|
||||
}
|
||||
};
|
||||
|
||||
geom.normalizeEvent = function(event){
|
||||
// summary:
|
||||
// Normalizes the geometry of a DOM event, normalizing the pageX, pageY,
|
||||
// offsetX, offsetY, layerX, and layerX properties
|
||||
// event: Object
|
||||
if(!("layerX" in event)){
|
||||
event.layerX = event.offsetX;
|
||||
event.layerY = event.offsetY;
|
||||
}
|
||||
if(!has("dom-addeventlistener")){
|
||||
// old IE version
|
||||
// FIXME: scroll position query is duped from dojo.html to
|
||||
// avoid dependency on that entire module. Now that HTML is in
|
||||
// Base, we should convert back to something similar there.
|
||||
var se = event.target;
|
||||
var doc = (se && se.ownerDocument) || document;
|
||||
// DO NOT replace the following to use dojo.body(), in IE, document.documentElement should be used
|
||||
// here rather than document.body
|
||||
var docBody = has("quirks") ? doc.body : doc.documentElement;
|
||||
var offset = geom.getIeDocumentElementOffset();
|
||||
event.pageX = event.clientX + geom.fixIeBiDiScrollLeft(docBody.scrollLeft || 0) - offset.x;
|
||||
event.pageY = event.clientY + (docBody.scrollTop || 0) - offset.y;
|
||||
}
|
||||
};
|
||||
|
||||
// TODO: evaluate separate getters/setters for position and sizes?
|
||||
|
||||
return geom;
|
||||
});
|
||||
Reference in New Issue
Block a user