Well, perhaps something more simple works also. But the following also
works.
Download the attached file, open it and create the userscript further down
(Window based @include).
Basically we inject a native window script that listens to a window
CustomEvent which we trigger without a problem from the userscript.
I'm using a little functionality (*function.toString()*) to keep nice
syntax of code while being able to easily treat it as a string.
// ==UserScript==
// @name Select2 search across userscript/window boundary.
// @version 1
// @include file:///*/select2-userscript-test.html
// @grant none
// ==/UserScript==
(function() {
function DOM_inject_script() {
// Use function.toString() to keep pretty code and inject it into the
body for native browser code.
var script = document.getElementsByTagName('head')[0].appendChild(
document.createElement('script'));
script.setAttribute('type', 'text/javascript');
return script.textContent=DOM_inject_script.toString().replace(
/[\s\S]*"\$1"\);([\s\S]*)}/,"$1");
/**
* Select an item in a Select2 element. Supports Ajax backed data.
*
* @param {string} query: value to look for
* @param {string} property (optional): Property of select2 data to
compare the value with.
* Defaults to "name".
*/
jQuery.fn.select2search = function(query, property) {
var property = (typeof property === "undefined") ? "name" : property;
function itemsLoadedHandler(event) {
var data = event.items.results.find(data => data[property] === query
);
this.select2("data", data);
// Somehow calling "close" directly doesn't close it because of the
magic we're using.
window.setTimeout(function() {
this.select2("close");
}.bind(this), 10);
}
this.one("select2-loaded", itemsLoadedHandler.bind(this));
this.select2("search", query);
}
window.addEventListener("select2search", function(event) {
if (typeof event.detail === "undefined") { return; }
// We can't pass objects across the boundary, but a string is ok.
var eventdata = JSON.parse(event.detail);
if (typeof eventdata.query === "undefined" || typeof eventdata.selector
=== "undefined") { return; }
// Optional property to check the select2 data query on.
var property = (typeof eventdata.property !== "undefined") ? eventdata
.property : undefined;
jQuery(eventdata.selector).select2search(eventdata.query, property);
});
}
DOM_inject_script();
})();
/*
var select2search_script = document.createElement('script');
select2search_script.textContent = browser_select2search_source;
document.querySelector('body').appendChild(select2search_script);
*/
function select2search(selector, query, property) {
var event = new CustomEvent("select2search", {
"detail": JSON.stringify({
"selector": selector,
"query": query,
"property": property
})
});
window.dispatchEvent(event);
}
window.setTimeout(function() {
select2search(".jSelectbox", "Bicycle", "text");
}, 1000);
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Car
Bicycle
