InstaSynchP Name Completion

Autocomplete usernames by hitting tab
目前为 2014-11-29 提交的版本。查看最新版本。
Wrap lines
// ==UserScript==
// @name        InstaSynchP Name Completion
// @namespace   InstaSynchP
// @description Autocomplete usernames by hitting tab

// @version     1
// @author      Zod-
// @source      https://github.com/Zod-/InstaSynchP-Name-Completion
// @license     MIT

// @include     http://*.instasynch.com/*
// @include     http://instasynch.com/*
// @include     http://*.instasync.com/*
// @include     http://instasync.com/*
// @grant       none
// @run-at      document-start

// @require     https://gf.qytechs.cn/scripts/5647-instasynchp-library/code/InstaSynchP%20Library.js
// @require     https://gf.qytechs.cn/scripts/6707-jquery-caret/code/jquerycaret.js?version=26377
// ==/UserScript==

function NameCompletion(version) {
    "use strict";
    this.version = version;
    this.enabled = true;
    this.name = 'InstaSynchP Name Completion';
    this.doubleTabTimeoutId = undefined;
}

NameCompletion.prototype.executeOnce = function () {
    var th = this;

    function checkDoubleTab() {
        //check for double tabs within 500 ms
        if (typeof th.doubleTabTimeoutId !== 'undefined') {
            clearInterval(th.doubleTabTimeoutId);
            th.doubleTabTimeoutId = undefined;
            return true;
        }

        th.doubleTabTimeoutId = setTimeout(function () {
            th.doubleTabTimeoutId = undefined;
        }, 500);
        return false;
    }

    function getPartToComplete(str, caretPosition) {
        //go back from the caret position as long as it fits the username regex
        var temp, partToComplete = '';
        for (var i = caretPosition - 1; i >= 0; i -= 1) {
            temp = str.substr(i, caretPosition);
            if (isGreyname(temp)) {
                partToComplete = temp.toLowerCase();
            } else {
                break;
            }
        }
        return partToComplete;
    }

    function getUsers(partToComplete, comp) {
        //get all users that start with or contain partToComplete
        return $.map(window.users, function (user) {
            return (user.username.toLowerCase()[comp](partToComplete)) ? user.username : undefined;
        });
    }

    function printUsers(users) {
        var unique = [],
            output = '';
        //get unique users
        $.each(users, function (i, el) {
            if ($.inArray(el, unique) === -1) unique.push(el);
        });
        for (i = 0; i < unique.length; i += 1) {
            output += unique[i] + ' ';
        }
        addSystemMessage(output);
    }

    events.on(th, 'InputKeydown[9]', function () {
        var str = $('#cin').val(),
            caretPosition = $('#cin').caret(),
            partToComplete = getPartToComplete(str, caretPosition),
            startIndex = caretPosition - partToComplete.length;
        if (str === '' || partToComplete === '') {
            return;
        }
        var startsWithArr = getUsers(partToComplete, 'startsWith'),
            containsArr = getUsers(partToComplete, 'contains'),
            result;
        if (containsArr.length === 0 && startsWithArr.length === 0) {
            return;
        }
        if (startsWithArr.length > 1 || (containsArr.length > 1 && startsWithArr.length !== 1)) {
            if (checkDoubleTab()) {
                printUsers(startsWithArr.length > 1 ? startsWithArr : containsArr);
            }
            return;
        }

        result = startsWithArr[0] || containsArr[0];
        //put string back together with the found username
        str = '{0}{1}{2}'.format(
            str.substr(0, startIndex),
            result,
            str.substr(caretPosition)
        );
        //set string and cursor
        $('#cin').val(str).caret(startIndex + result.length);
    });
};

window.plugins = window.plugins || {};
window.plugins.nameCompletion = new NameCompletion('1');
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