zui/src/js/jquery.extensions.js

一个基于 Bootstrap 深度定制开源前端实践方案，帮助你快速构建现代跨屏应用。

/* ========================================================================
 * ZUI: jquery.extensions.js
 * http://zui.sexy
 * ========================================================================
 * Copyright (c) 2014-2016 cnezsoft.com; Licensed MIT
 * ======================================================================== */


(function($, window, undefined) {
    'use strict';

    /* Check jquery */
    if(typeof($) === 'undefined') throw new Error('ZUI requires jQuery');

    // ZUI shared object
    if(!$.zui) $.zui = function(obj) {
        if($.isPlainObject(obj)) {
            $.extend($.zui, obj);
        }
    };

    var MOUSE_BUTTON_CODES = {
        all: -1,
        left: 0,
        middle: 1,
        right: 2
    };

    var lastUuidAmend = 0;
    $.zui({
        uuid: function(asNumber) {
            var uuidNumber = (new Date()).getTime() * 1000 + (lastUuidAmend++) % 1000;
            return asNumber ? uuidNumber : uuidNumber.toString(36);
        },

        callEvent: function(func, event, proxy) {
            if($.isFunction(func)) {
                if(proxy !== undefined) {
                    func = $.proxy(func, proxy);
                }
                var result = func(event);
                if(event) event.result = result;
                return !(result !== undefined && (!result));
            }
            return 1;
        },

        clientLang: function() {
            var lang;
            var config = window.config;
            if(typeof(config) != 'undefined' && config.clientLang) {
                lang = config.clientLang;
            }
            if(!lang) {
                var hl = $('html').attr('lang');
                lang = hl ? hl : (navigator.userLanguage || navigator.userLanguage || 'zh_cn');
            }
            return lang.replace('-', '_').toLowerCase();
        },

        strCode: function(str) {
            var code = 0;
            if(str && str.length) {
                for(var i = 0; i < str.length; ++i) {
                    code += i * str.charCodeAt(i);
                }
            }
            return code;
        },

        getMouseButtonCode: function(mouseButton) {
            if(typeof mouseButton !== 'number') {
                mouseButton = MOUSE_BUTTON_CODES[mouseButton];
            }
            if(mouseButton === undefined || mouseButton === null) mouseButton = -1;
            return mouseButton;
        }
    });

    $.fn.callEvent = function(name, event, model) {
        var $this = $(this);
        var dotIndex = name.indexOf('.zui.');
        var shortName = dotIndex < 0 ? name : name.substring(0, dotIndex);
        var e = $.Event(shortName, event);

        if((model === undefined) && dotIndex > 0) {
            model = $this.data(name.substring(dotIndex + 1));
        }

        if(model && model.options) {
            var func = model.options[shortName];
            if($.isFunction(func)) {
                e.result = $.zui.callEvent(func, e, model);
            }
        }
        $this.trigger(e);
        return e;
    };

    $.fn.callComEvent = function(component, eventName, params) {
        if (params !== undefined && !$.isArray(params)) {
            params = [params];
        }
        var $this = this;
        var result = $this.triggerHandler(eventName, params);

        var eventCallback = component.options[eventName];
        if (eventCallback) {
            result = eventCallback.apply(component, params);
        }
        return result;
    };
}(jQuery, window, undefined));