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Code Issues Releases Wiki Activity

Allow a default value to be specified for WikiRenderTree.getContextVariable

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This commit is contained in:
Jeremy Ruston 2013-05-15 18:43:19 +01:00
parent eebf3dae95
commit dd2a7199f6
1 changed files with 2 additions and 2 deletions
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4
core/modules/rendertree/wikirendertree.js
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@ -101,14 +101,14 @@ WikiRenderTree.prototype.refreshInDom = function(changes) {
/* /*
Find the value of a given context variable for a particular renderer node Find the value of a given context variable for a particular renderer node
*/ */
WikiRenderTree.prototype.getContextVariable = function(renderer,name) { WikiRenderTree.prototype.getContextVariable = function(renderer,name,defaultValue) {
while(renderer) { while(renderer) {
if($tw.utils.hop(renderer.context,name)) { if($tw.utils.hop(renderer.context,name)) {
return renderer.context[name]; return renderer.context[name];
} }
renderer = renderer.parentRenderer; renderer = renderer.parentRenderer;
}; };
return undefined; return defaultValue;
}; };
/* /*