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Tampermonkey Support Library

to reduce repetition in creating scripts for Tampermonkey support

当前为 2018-04-17 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.org/scripts/23115/265708/Tampermonkey%20Support%20Library.js 

var tm = {
    addGlobalStyle: function(css) {
        var head, style;
        head = document.getElementsByTagName('head')[0];
        if (!head) { return; }
        style = document.createElement('style');
        style.type = 'text/css';
        style.innerHTML = css;
        head.appendChild(style);
    },
    log: function(msg) {
        console.log('Tampermonkey: ' + msg);
    },
    selectText: function (targetClass) {
        var textToCopy, range;
        try {
            if (document.selection) {
                range = document.body.createTextRange();
                range.moveToElementText(document.getElementsByClassName(targetClass)[0]);
                range.select();
            } else if (window.getSelection) {
				var selection = window.getSelection();
                range = document.createRange();
                range.selectNode(document.getElementsByClassName(targetClass)[0]);
				selection.removeAllRanges();
                selection.addRange(range);
            }
        } catch (err) {
            tm.log('Failed to select text');
        }
    },
    sysFriendly: function(el) {
        var text = $(el).text();
        $(el).text(text.replace(/\/|\:|\<|\>|\\|\||\*|\?/g, '-'));
    },
    ping: function (ip, callback) { // via http://jsfiddle.net/GSSCD/203/
        if (!this.inUse) {
            this.status = 'unchecked';
            this.inUse = true;
            this.callback = callback;
            this.ip = ip;
            var _that = this;
            this.img = new Image();

            this.img.onload = function () {
                _that.inUse = false;
                _that.callback('responded');
            };

            this.img.onerror = function (e) {
                if (_that.inUse) {
                    _that.inUse = false;
                    _that.callback('error', e);
                }
            };

            this.start = new Date().getTime();
            this.img.src = "http://" + this.ip;
            this.timer = setTimeout(function () {
                if (_that.inUse) {
                    _that.inUse = false;
                    _that.callback('timeout');
                }
            }, 1500);
        }
    },
    isTagIn: function (targetString, tags) {
        var isFound = false;
        _.each(tags, function scanTarget (tag) {
            if (targetString.toLowerCase().indexOf(tag.toLowerCase()) > -1) {
                isFound = true;
            }
        });
        return isFound;
    },
    copyTextToClipboard: function (text) {
        var copyFrom = document.createElement("textarea");
        copyFrom.textContent = text;
        var body = document.getElementsByTagName('body')[0];
        body.appendChild(copyFrom);
        copyFrom.select();
        document.execCommand('copy');
        body.removeChild(copyFrom);
    },
    waitTimers: [],
    getContainer: function (opts) {
        var options = {
            id: opts.id ? opts.id : opts.el.replace(/[ (:)]/g, ''),
            el: opts.el,
            try: 0,
            max: opts.max ? opts.max : 20,
            spd: opts.spd ? opts.spd : 500
        };
        clearTimeout(tm.waitTimers[options.id]);
        return new Promise(function (resolve, reject) {
            tm.waitForContainerElement(resolve, options);
        });
    },
    waitForContainerElement: function (resolve, options) {
        var $configElement = $(options.el);
        if ($configElement.length === 0) {
            options.try++;
            if (options.try < options.max) {
                tm.waitTimers[options.id] = setTimeout(tm.waitForContainerElement.bind(this, resolve, options), options.spd);
            } else {
                $('#output').val($('#output').val() + 'Maximum searches reached\n');
            }
        } else {
            resolve($configElement);
        }
    }
};