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Fix Issue 770: Trouncing the nonce. Restructured how random ids are produced. Updated how new documents are created.

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git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1962 eee81c28-f429-11dd-99c0-75d572ba1ddd
This commit is contained in:
Jeff Schiller
2011-02-01 07:22:18 +00:00
parent 846ee8eca1
commit 9c8ba2361f
4 changed files with 124 additions and 104 deletions
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21
editor/draw.js
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@@ -21,6 +21,9 @@ if (!svgedit.draw) {
var svg_ns = "http://www.w3.org/2000/svg";
var se_ns = "http://svg-edit.googlecode.com";
var xmlns_ns = "http://www.w3.org/2000/xmlns/";
var randomize_ids = false;
/**
* This class encapsulates the concept of a layer in the drawing
@@ -41,6 +44,12 @@ svgedit.draw.Layer.prototype.getGroup = function() {
};
// Called to ensure that drawings will or will not have
// randomized ids.
svgedit.draw.randomizeIds = function(enableRandomization) {
randomize_ids = enableRandomization;
};
/**
* This class encapsulates the concept of a SVG-edit drawing
*
@@ -99,7 +108,17 @@ svgedit.draw.Drawing = function(svgElem, opt_idPrefix) {
* The nonce to use to uniquely identify elements across drawings.
* @type {!String}
*/
this.nonce_ = this.svgElem_.getAttributeNS(se_ns, 'nonce') || "";
this.nonce_ = "";
var n = this.svgElem_.getAttributeNS(se_ns, 'nonce');
// If already set in the DOM, use the nonce throughout the document
// else, if randomizeIds(true) has been called, create and set the nonce.
if (!!n) {
this.nonce_ = n;
} else if (randomize_ids) {
this.nonce_ = Math.floor(Math.random() * 100001);
this.svgElem_.setAttributeNS(xmlns_ns, 'xmlns:se', se_ns);
this.svgElem_.setAttributeNS(se_ns, 'se:nonce', this.nonce_);
}
};
svgedit.draw.Drawing.prototype.getElem_ = function(id) {