RetailCRM-Mirror/select2
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Reduce search field focusing, improving performance

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Signed-off-by: Igor Vaynberg <igor.vaynberg@gmail.com>
This commit is contained in:
creage 2012-06-17 00:31:24 +03:00 committed by Igor Vaynberg
parent 9497693b64
commit 64b69425b0
1 changed files with 8 additions and 8 deletions
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16
select2.js
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@ -161,10 +161,10 @@
* the elements under the pointer are scrolled. * the elements under the pointer are scrolled.
*/ */
function installFilteredMouseMove(element) { function installFilteredMouseMove(element) {
var context = $(element[0].document); var context = $(element[0].document);
context.on("mousemove", function (e) { context.on("mousemove", function (e) {
context.data("select2-lastpos", {x: e.pageX, y: e.pageY}); context.data("select2-lastpos", {x: e.pageX, y: e.pageY});
}); });
element.bind("mousemove", function (e) { element.bind("mousemove", function (e) {
var lastpos = context.data("select2-lastpos"); var lastpos = context.data("select2-lastpos");
if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
@ -422,8 +422,8 @@
// initialize the container // initialize the container
this.initContainer(); this.initContainer();
installFilteredMouseMove(this.results); //installFilteredMouseMove(this.results);
this.dropdown.delegate(resultsSelector, "mousemove-filtered", this.bind(this.highlightUnderEvent)); this.dropdown.delegate(resultsSelector, "mouseover", this.bind(this.highlightUnderEvent));
installDebouncedScroll(80, this.results); installDebouncedScroll(80, this.results);
this.dropdown.delegate(resultsSelector, "scroll-debounced", this.bind(this.loadMoreIfNeeded)); this.dropdown.delegate(resultsSelector, "scroll-debounced", this.bind(this.loadMoreIfNeeded));
@ -773,13 +773,13 @@
$(choices[index]).addClass("select2-highlighted"); $(choices[index]).addClass("select2-highlighted");
this.ensureHighlightVisible(); this.ensureHighlightVisible();
if (this.opened()) this.focusSearch(); //if (this.opened()) this.focusSearch();
}, },
highlightUnderEvent: function (event) { highlightUnderEvent: function (event) {
var el = $(event.target).closest(".select2-result"); var el = $(event.target).closest(".select2-result");
if (el.length > 0) { if (el.length > 0) {
var choices = this.results.find('.select2-result'); var choices = this.results.find('.select2-result');
this.highlight(choices.index(el)); this.highlight(choices.index(el));
} }
}, },