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

Fix perfs issues
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commit 2adb8d3a78894d25361eef7801ab55f43a9c05e0 2 parents 96657a1 + 7bc63dd
@ivaynberg ivaynberg authored
Showing with 11 additions and 8 deletions.
  1. +11 −8 select2.js
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19 select2.js
@@ -40,7 +40,8 @@
return;
}
- var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer;
+ var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
+ lastMousePosition, $document;
KEY = {
TAB: 9,
@@ -90,6 +91,8 @@
}
};
+ $document = $(document);
+
nextUid=(function() { var counter=1; return function() { return counter++; }; }());
function indexOf(value, array) {
@@ -162,8 +165,8 @@
});
}
- $(document).delegate("body", "mousemove", function (e) {
- $.data(document, "select2-lastpos", {x: e.pageX, y: e.pageY});
+ $document.bind("mousemove", function (e) {
+ lastMousePosition = {x: e.pageX, y: e.pageY};
});
/**
@@ -174,7 +177,7 @@
*/
function installFilteredMouseMove(element) {
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) {
$(e.target).trigger("mousemove-filtered", e);
}
@@ -493,16 +496,16 @@
*
* also takes care of clicks on label tags that point to the source element
*/
- $(document).ready(function () {
- $(document).delegate("body", "mousedown touchend", function (e) {
+ $document.ready(function () {
+ $document.bind("mousedown touchend", function (e) {
var target = $(e.target).closest("div.select2-container").get(0), attr;
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();
});
} else {
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();
});
}
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