RetailCRM-Mirror/select2
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Merge pull request #403 from byroot/fix-perfs-issues

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Fix perfs issues
This commit is contained in:
Igor Vaynberg 2012-09-12 13:49:36 -07:00
commit 2adb8d3a78
1 changed files with 11 additions and 8 deletions
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19
select2.js
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@ -40,7 +40,8 @@
return; return;
} }
var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer; var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
lastMousePosition, $document;
KEY = { KEY = {
TAB: 9, TAB: 9,
@ -90,6 +91,8 @@
} }
}; };
$document = $(document);
nextUid=(function() { var counter=1; return function() { return counter++; }; }()); nextUid=(function() { var counter=1; return function() { return counter++; }; }());
function indexOf(value, array) { function indexOf(value, array) {
@ -162,8 +165,8 @@
}); });
} }
$(document).delegate("body", "mousemove", function (e) { $document.bind("mousemove", function (e) {
$.data(document, "select2-lastpos", {x: e.pageX, y: e.pageY}); lastMousePosition = {x: e.pageX, y: e.pageY};
}); });
/** /**
@ -174,7 +177,7 @@
*/ */
function installFilteredMouseMove(element) { function installFilteredMouseMove(element) {
element.bind("mousemove", function (e) { element.bind("mousemove", function (e) {
var lastpos = $.data(document, "select2-lastpos"); var lastpos = lastMousePosition;
if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
$(e.target).trigger("mousemove-filtered", e); $(e.target).trigger("mousemove-filtered", e);
} }
@ -493,16 +496,16 @@
* *
* also takes care of clicks on label tags that point to the source element * also takes care of clicks on label tags that point to the source element
*/ */
$(document).ready(function () { $document.ready(function () {
$(document).delegate("body", "mousedown touchend", function (e) { $document.bind("mousedown touchend", function (e) {
var target = $(e.target).closest("div.select2-container").get(0), attr; var target = $(e.target).closest("div.select2-container").get(0), attr;
if (target) { if (target) {
$(document).find("div.select2-container-active").each(function () { $document.find("div.select2-container-active").each(function () {
if (this !== target) $(this).data("select2").blur(); if (this !== target) $(this).data("select2").blur();
}); });
} else { } else {
target = $(e.target).closest("div.select2-drop").get(0); target = $(e.target).closest("div.select2-drop").get(0);
$(document).find("div.select2-drop-active").each(function () { $document.find("div.select2-drop-active").each(function () {
if (this !== target) $(this).data("select2").blur(); if (this !== target) $(this).data("select2").blur();
}); });
} }