sencha touch 我的公用类myUtil（废弃 仅参考）

/*公共类*/
Ext.define('myUtil', {
    statics: {
        //store公用加载方法
        storeLoadById: function (id) {
            var store = Ext.getStore(id);
            this.storeLoadByParams(store, null);
        },
        //store加载方法，带参数
        storeLoadByParams: function (store, params) {
            store.removeAll();
            store.setProxy({
                extraParams: params
            });
            this.storeLoad(store, true);
        },
        //加载stroe
        storeLoad: function (store, isUp) {
            var me = this;
            if (store.getCount() < 1 || isUp) {
                store.loadPage(1);
            }
        },
        //list->info公用加载方法
        showInfo: function (record, view, url, params, Summary) {
            var me = this;
            if (record.data.Summary) {
                view.setData(record.data);
                return;
            }
            Ext.Ajax.request({
                url: url,
                params: params,
                success: function (result, request) {
                    result = Ext.decode(result.responseText);
                    record.set(result);
                    view.setData(record.data);
                }
            });
        },
        /*为Ext.Viewport添加一个消息提示组件*/
        addMessage: function () {
            Ext.Viewport.setMasked({
                xtype: 'loadmask',
                cls: 'message',
                transparent: true,
                indicator: false
            });
            this.hideMessage();
        },
        /*显示一个消息提示*/
        showMessage: function (mes, autoHide) {
            var me = this,
            message = this.getMessage();
            message.setMessage(mes);
            message.show();
            //是否自动关闭提示
            if (autoHide) {
                setTimeout(function () {
                    message.hide();
                },
                500);
            }
        },
        /*隐藏消息提示*/
        hideMessage: function () {
            this.getMessage().hide();
        },
        //消息组件
        getMessage: function () {
            return Ext.Viewport.getMasked();
        },
        //向Viewport中push一个视图
        ePop: function (xtype) {
            var me = Ext.Viewport,
            view = Ext.create(xtype);
            //切换
            me.animateActiveItem(view, {
                type: 'slide',
                direction: 'left'
            });
        },
        //监控Viewport界面切换,切换时销毁旧视图
        eActiveitemchange: function () {
            var me = Ext.Viewport;
            me.onAfter('activeitemchange',
            function (t, value, oldValue, eOpts) {
                if (oldValue) {
                    //强制销毁，防止销毁不完全引发错误
                    me.remove(oldValue, true);
                }
            });
        },
        //json数据转换成xml数据
        iterateJson: function (json) {
            var value = '',
            arr = [];
            for (var tag in json) {
                value = json[tag];
                if (Ext.isObject(value) || Ext.isArray(value)) {
                    value = this.iterateJson(value);
                }
                if (tag > -1) {
                    arr.push(value);
                } else if (value != null && value != '') {
                    arr.push(this.format('<{0}>{1}</{0}>', tag, value));
                }
            }
            return arr.join('');
        },
        //格式化字符串
        format: function () {
            return Ext.util.Format.format.apply(this, arguments);
        },
        //显示pick
        showPick: function (xtype, params) {
            var pick = Ext.create(xtype);
            Ext.Viewport.add(pick);
            pick.show(params);
        },
        //结束pick
        endPick: function (xtype) {
            var pick = Ext.Viewport.down(xtype);
            if (pick) {
                pick.endPick();
            }
        },
        //重写ajax
        overrideAjax: function () {
            var me = this;
            //开始加载
            Ext.Ajax.on('beforerequest',
            function (connection, options) {
                if (!options.hidMessage) {
                    me.showMessage('正在努力加载中...');
                }
            });
            //加载成功
            Ext.Ajax.on('requestcomplete',
            function (connection, options) {
                me.hideMessage();
            });
            //加载失败
            Ext.Ajax.on('requestexception',
            function (connection, options) {
                if (!options.hidMessage) {
                    me.showMessage('加载失败，请稍后再试...', true);
                }
            });
        },
        //重写Pick相关
        overridePick: function () {
            //汉化时间
            Ext.apply(Ext.DateExtras.monthNames, ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"]);
            //汉化DatePicker控件
            Ext.define("Ext.zh.DatePicker", {
                override: "Ext.picker.Date",
                config: {
                    yearFrom: 2000,
                    monthText: '月',
                    dayText: '日',
                    yearText: '年'
                }
            });
            //汉化Picker控件
            Ext.define("Ext.local_zh_cn.Picker", {
                override: "Ext.picker.Picker",
                config: {
                    doneButton: '确定',
                    cancelButton: '取消'
                }
            });
        },
        //安卓返回按钮
        pGback: function () {
            var cardPanel = Ext.getCmp('cardPanel');
            var back = cardPanel.getNavigationBar().backButtonStack;
            if (back.length > 1) {
                cardPanel.Back();
                this.isExit = false;
            } else {
                if (this.isExit) {
                    navigator.app.exitApp();
                } else {
                    this.isExit = true;
                    cardPanel.showMessage('再按一次退出程序');
                }
            }
        },
        //上传图片
        openFileSelector: function () {
            /*
            *图片选择方式
            *PHOTOLIBRARY：从相册中选取
            *CAMERA:调用摄像头
            *AVEDPHOTOALBUM：左右不明
            */
            var source = navigator.camera.PictureSourceType.PHOTOLIBRARY;
            /*
            *图片返回格式
            *DATA_URL：64位字符串
            *FILE_URI:返回文件路径
            *NATIVE_URI：返回系统路径 iOS：eg. assets-library://  Android： content://
            */
            var destinationType = navigator.camera.DestinationType.FILE_URI;
            /*
            *媒体类型
            *PICTURE：图片
            *VIDEO:视频 始终返回FILE_URI格式
            *ALLMEDIA：支持任意文件选择 
            */
            var mediaType = navigator.camera.MediaType.PICTURE;
            var options = {
                quality: 50,
                //图像质量[0-100]
                destinationType: destinationType,
                sourceType: source,
                mediaType: mediaType
            };
            navigator.camera.getPicture(this.uploadFile, this.uploadBroken, options);
        },
        //图片选择失败 
        uploadBroken: function (message) {
            this.showMessage(message, true);
        },
        //选择图片后上传
        uploadFile: function (fileURI) {
            var options = new FileUploadOptions();
            options.fileKey = "userfile";
            options.fileName = fileURI.substr(fileURI.lastIndexOf('/') + 1);
            options.mimeType = "multipart/form-data";
            options.chunkedMode = false;
            ft = new FileTransfer();
            var uploadUrl = encodeURI(config.imgUp);
            this.showMessage('正在上传中,请等待...');
            ft.upload(fileURI, uploadUrl, this.uploadSuccess, this.uploadFailed, options);
        },
        //文件上传成功
        uploadSuccess: function (r) {
            var res = Ext.decode(r.responseText);
            this.showMessage(res.message, true);
        },
        //文件上传失败
        uploadFailed: function (error) {
            this.showMessage('图片上传失败...', true);
        },
        //app初始化执行
        inIt: function () {
            this.addMessage();
            this.overrideAjax();
            this.overridePick();
        }
    }
});