qBittorrent/src/webui/www/private/installsearchplugin.html

<style type="text/css">
    #installSearchPluginContainer {
        margin: 10px;
    }

    #installSearchPluginContainer button {
        padding: 3px 20px;
    }

    #newPluginPath {
        width: 100%;
        line-height: 2em;
    }
</style>

<div id="installSearchPluginContainer">
    <h2>QBT_TR(Plugin path:)QBT_TR[CONTEXT=PluginSourceDlg]</h2>

    <div>
        <input type="text" id="newPluginPath" placeholder="QBT_TR(URL or local directory)QBT_TR[CONTEXT=PluginSourceDlg]" autocorrect="off" autocapitalize="none" />
        <div style="margin-top: 10px; text-align: center;">
            <button id="newPluginCancel" onclick="closeSearchWindow('installSearchPlugin');">QBT_TR(Cancel)QBT_TR[CONTEXT=PluginSourceDlg]</button>
            <button id="newPluginOk" onclick="newPluginOk();">QBT_TR(Ok)QBT_TR[CONTEXT=PluginSourceDlg]</button></div>
        </div>
    </div>
</div>

<script>
    'use strict';

    var initInstallSearchPlugin = function() {
        var installSearchPluginKeyboardEvents = new Keyboard({
            defaultEventType: 'keydown',
            events: {
                'enter': function (e) {
                    // accept enter key as a click
                    new Event(e).stop();

                    var elem = e.event.srcElement;
                    if ((elem.id === "newPluginPath") || (elem.id === "newPluginOk"))
                        newPluginOk();
                    else if (elem.id === "newPluginCancel")
                        closeSearchWindow('installSearchPlugin');
                }
            }
        });
        installSearchPluginKeyboardEvents.activate();

        $('newPluginPath').select();
    };

    var newPluginOk = function() {
        var path = $("newPluginPath").get("value").trim();
        if (path)
            new Request({
                url: 'api/v2/search/installPlugin',
                noCache: true,
                method: 'post',
                data: {
                    sources: path,
                },
                onRequest: function(){
                    closeSearchWindow('installSearchPlugin');
                }
            }).send();
    };

    initInstallSearchPlugin();
</script>