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Better calculation for next/previous index of sparse map

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Nathan Gray 2014-01-18 11:47:36 +00:00
parent 35c70fea93
commit 46c80212ba
1 changed files with 5 additions and 4 deletions
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9
etemplate/js/et2_dataview_controller_selection.js
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@ -327,16 +327,17 @@ var et2_dataview_selectionManager = Class.extend(
}
function getElementRelatively (_step) {
var total = self._total || Object.keys(self._indexMap).length;
var max_index = Math.max.apply(Math,Object.keys(self._indexMap));
// Get a reasonable number of iterations - not all
var total = Math.max(1,Math.min(Object.keys(self._indexMap).length,50));
var count = total;
var count = Math.max(1,Math.min(self._total,50));
var element = null;
var idx = _entry.idx;
while(element == null && count > 0 && idx <= total)
while(element == null && count > 0)
{
count--;
element = getIndexAO(Math.max(0,
Math.min(self._total||total - 1, idx += _step)));
Math.min(max_index, idx += _step)));
}
return element;
};