• 移动混合开发之android文件管理新建文件和删除文件


    今天经过一天超过8小时的实践,有很多CSS上的细节需要注意:

    1,

    /*注意是对before的操作*/
    .content ul li .icon-check-empty:before{
        display: block;
        /*webFont设置其width和height时无效,只有设置font-size*/
        /* 3rem;*/
        /*height: 3rem;*/
        font-size: 1.5rem;
        position: absolute;
        top:0;
        left: 0;
        bottom: 0;
        padding: .75rem;
    }
    

      

    2.选择器的优先级

    /*估计这个优先级没有 .down a{}的高,所以根本没执行
      a.btn{} >  .down a{} > .down a.btn{}
    */
    /*.down a.btn{*/
        /*background: lavender;*/
        /*border: solid 1px grey;*/
        /*border-radius: 5px;*/
        /*padding: 5px;*/
    /*}*/
    
    .opeator a{
        /*使用felx:1让内容平均分布*/
        flex:1;
        -webkit-box-flex: 1;
        /*把webFont当作字体处理,字体居中*/
        text-align: center;
        text-decoration: none;
        display: block;
    
    }
    

     

    3.动画的设置

    需要设置一个初始状态和结束状态,

    .opeator{
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 3rem;
        /*容器使用 display:felx属性*/
        display:flex;
        display: -webkit-flex; /*  */
        /*注意是transform*/
        transition:-webkit-transform 0.3s ease-in;
        transform: translateY(0) translateZ(0);
    }
    
    .opeator.down {
        transform: translateY(3rem) translateZ(0);
    }
    

      

    全部代码:

    1.index.html

    <!DOCTYPE html>
    <!--
     Licensed to the Apache Software Foundation (ASF) under one
     or more contributor license agreements.  See the NOTICE file
     distributed with this work for additional information
     regarding copyright ownership.  The ASF licenses this file
     to you under the Apache License, Version 2.0 (the
     "License"); you may not use this file except in compliance
     with the License.  You may obtain a copy of the License at
    
     http://www.apache.org/licenses/LICENSE-2.0
    
     Unless required by applicable law or agreed to in writing,
     software distributed under the License is distributed on an
     "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     KIND, either express or implied.  See the License for the
     specific language governing permissions and limitations
     under the License.
     -->
    <html>
    <head>
        <!--
         Customize this policy to fit your own app's needs. For more guidance, see:
         https://github.com/apache/cordova-plugin-whitelist/blob/master/README.md#content-security-policy
         Some notes:
         * gap: is required only on iOS (when using UIWebView) and is needed for JS->native communication
         * https://ssl.gstatic.com is required only on Android and is needed for TalkBack to function properly
         * Disables use of inline scripts in order to mitigate risk of XSS vulnerabilities. To change this:
         * Enable inline JS: add 'unsafe-inline' to default-src
         -->
        <meta http-equiv="Content-Security-Policy"
              content="default-src 'self' data: gap: https://ssl.gstatic.com 'unsafe-eval'; style-src 'self' 'unsafe-inline'; media-src *">
        <meta name="format-detection" content="telephone=no">
        <meta name="msapplication-tap-highlight" content="no">
        <meta charset="utf-8">
        <meta name="viewport"
              content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width">
        <!--引入webFont,fontello.css里面已经定义好font-family,只是需要设置类名,单独写css控制位置即可-->
        <link rel="stylesheet" type="text/css" href="./css/css/fontello.css">
        <link rel="stylesheet" type="text/css" href="css/index.css"><br>
        <!----引入jQuery----!>
        <!--引入滑动第三方库,让列表滑动-->
        <script type="text/javascript" src="js/jquery-2.2.4.min.js"></script>
        <script type="text/javascript" src="js/iscroll-lite.js"></script>
        <script type="text/javascript" src="cordova.js"></script>
        <script type="text/javascript" src="js/index.js"></script>
        <title>Hello World</title>
    </head>
    <body>
    <div id="log"></div>
    <div class="head">
        极客浏览器
    </div>
    <!--自定义布局,没有使用第三方框架-->
    <div class="content">
        <div class="nav">
            <div id="current-dir"></div>
            <div id="upper">上一级</div>
        </div>
        <div class="list" id="file-list">
            <ul >
                <li class="t">
                    <div class="icon-check-empty" id="check"></div>
                    <div class="file-icon"></div>
                    <div class="file-name">This is file name1</div>
                </li>
            </ul>
        </div>
        <div class="opeator" id="operator-nocheck">
            <!--写好类名,类名可查看fontello下载的demo-->
            <a class="icon-plus">新建</a>
            <a class="icon-info">详细</a>
        </div>
        <div class="opeator" id="operator-checked" style="display: none">
            <!--写好类名,类名可查看fontello下载的demo-->
            <a class="icon-move">移动</a>
            <a class="icon-docs">复制</a>
            <a class="icon-trash-empty">删除</a>
        </div>
    
        <div class="opeator down" id="operator-down" >
            <a class="btn" id="confirm">确定</a>
            <a class="btn" id="cancel">取消</a>
        </div>
    </div>
    <div id="dialog-overlay">
        <div id="title"></div>
        <div id="dialogContent">
            <!--注意采用div布局-->
            <div id="input-content">
                <input type="text" id="file-name-input" placeholder="输入文件夹名">
            </div>
            <!--注意采用div布局,这样css会简写很多-->
            <div id="btn-content">
                <a  class="btn" id="file-create">创建文件夹</a>
                <a class="btn"  id="file-cancel">取消</a>
            </div>
        </div>
    </div>
    </body>
    </html>
    

      

    2.index.css

    /*
     * Licensed to the Apache Software Foundation (ASF) under one
     * or more contributor license agreements.  See the NOTICE file
     * distributed with this work for additional information
     * regarding copyright ownership.  The ASF licenses this file
     * to you under the Apache License, Version 2.0 (the
     * "License"); you may not use this file except in compliance
     * with the License.  You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing,
     * software distributed under the License is distributed on an
     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     * KIND, either express or implied.  See the License for the
     * specific language governing permissions and limitations
     * under the License.
     */
    * {
        -webkit-tap-highlight-color: rgba(0,0,0,0); /* make transparent link selection, adjust last value opacity 0 to 1.0 */
    }
    
    .head{
        position:absolute;
        left:0;
        right:0;
        top:0;
        height:2rem;
        line-height: 2rem;
        background-color:orange;
        padding-left:.3rem;
        color: white;
        text-align: center;
    }
    
    .content{
        position:absolute;
        top:2rem;
        bottom:0;
        left:0;
        right:0;
        overflow: hidden;
    }
    .content .nav{
        position: absolute;
        top: 0;
        height: 1.5rem;
        left: 0;
        right: 0;
        background: #efefef;
    }
    
    .content .list{
        position: absolute;
        top: 1.5rem;
        left: 0;
        right: 0;
        bottom: 3rem;
        background: #adadad;
        overflow: hidden;
    }
    
    .opeator{
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 3rem;
        /*容器使用 display:felx属性*/
        display:flex;
        display: -webkit-flex; /*  */
        /*注意是transform*/
        transition:-webkit-transform 0.3s ease-in;
        transform: translateY(0) translateZ(0);
    }
    
    .opeator.down {
        transform: translateY(3rem) translateZ(0);
    }
    
    a{
        -webkit-user-select: none;
        user-select: none;
    }
    
    a.touchInside{
        background: lightgray;
        color: whitesmoke;
    }
    
    .opeator a{
        /*使用felx:1让内容平均分布*/
        flex:1;
        -webkit-box-flex: 1;
        /*把webFont当作字体处理,字体居中*/
        text-align: center;
        text-decoration: none;
        display: block;
    
    }
    
    
    .content ul{
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .content ul li{
        position: relative;
        height: 3rem;
        border-bottom: 1px solid gray;
        background: white;
    }
    
    .content ul li.touchInside{
        background: #efefef;
    }
    
    /*注意是对before的操作*/
    .content ul li .icon-check-empty:before{
        display: block;
        /*webFont设置其width和height时无效,只有设置font-size*/
        /* 3rem;*/
        /*height: 3rem;*/
        font-size: 1.5rem;
        position: absolute;
        top:0;
        left: 0;
        bottom: 0;
        padding: .75rem;
    }
    .content ul li .icon-ok-squared:before{
        display: block;
        /*webFont设置其width和height时无效,只有设置font-size*/
        /* 3rem;*/
        /*height: 3rem;*/
        font-size: 1.5rem;
        position: absolute;
        top:0;
        left: 0;
        bottom: 0;
        padding: .75rem;
        color: greenyellow;
    }
    
    .content ul li .file-icon{
        position: absolute;
        background: url("../img/file.png") no-repeat center;
        background-size: 1.5rem 1.5rem;
         1.5rem;
        height: 1.5rem;
        left: 3rem;
        top:.75rem;
    }
    
    .content ul li .file-name{
        position: absolute;
        line-height: 3rem;
        left: 5rem;
    }
    
    .t{
        display: none;
    }
    #upper{
    	position: absolute;
    	right: 15px;
    	top: 5px;
    	color: blue;
    }
    
    #log{
         200px;
        height: 30px;
        color: red;
        float: right;
    }
    
    /*重新定义图标位置*/
    .icon-plus:before{
        display: block;
        padding-top: 10px;
        /*这个会使字体不居中,直接指定fontSize就好*/
        /* .3rem;*/
        font-size: 1.2rem;
    }
    
    .icon-info:before{
        display: block;
        padding-top: 10px;
        /*这个会使字体不居中,直接指定fontSize就好*/
        font-size: 1.2rem;
    }
    
    .icon-move:before{
        display: block;
        padding-top: 10px;
        /*这个会使字体不居中,直接指定fontSize就好*/
        font-size: 1.2rem;
    }
    .icon-docs:before{
        display: block;
        padding-top: 10px;
        /*这个会使字体不居中,直接指定fontSize就好*/
        font-size: 1.2rem;
    }
    
    .icon-trash-empty:before{
        display: block;
        padding-top: 10px;
        /*这个会使字体不居中,直接指定fontSize就好*/
        font-size: 1.2rem;
    }
    
    #dialog-overlay{
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.3);
    }
    
    #title{
        font-size: 1rem;
        height: 1rem;
        padding: .3rem;
        text-align: center;
    }
    
    #dialogContent{
        text-align: center;
        background: #efefef;
        height: 8rem;
        position: absolute;
        left: 0;
        bottom: 0;
        right: 0;
    }
    
    #input-content{
        padding-top: 2rem;
        padding-bottom: 1rem;
    }
    
    #file-name-input{
         16rem;
        padding: .3rem .4rem;
        font-size: 1rem;
    }
    
    /*估计这个优先级没有 .down a{}的高,所以根本没执行
      a.btn{} >  .down a{} > .down a.btn{}
    */
    /*.down a.btn{*/
        /*background: lavender;*/
        /*border: solid 1px grey;*/
        /*border-radius: 5px;*/
        /*padding: 5px;*/
    /*}*/
    
    a#confirm {
        line-height:3rem;
    }
    
    a#cancel{
        line-height: 3rem;
    }
    
    a.btn{
        background: lavender;
        border: solid 1px grey;
        border-radius: 5px;
        padding: 5px;
    }
    
    a.btn.touchInside{
        background: lightgray;
        color: whitesmoke;
    }
    
    
    #btn-content{
        text-align: center;
        padding: .3rem;
    }
    

      

    3.index.js

    /*
     * Licensed to the Apache Software Foundation (ASF) under one
     * or more contributor license agreements.  See the NOTICE file
     * distributed with this work for additional information
     * regarding copyright ownership.  The ASF licenses this file
     * to you under the Apache License, Version 2.0 (the
     * "License"); you may not use this file except in compliance
     * with the License.  You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing,
     * software distributed under the License is distributed on an
     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     * KIND, either express or implied.  See the License for the
     * specific language governing permissions and limitations
     * under the License.
     */
    var app = {
        // Application Constructor
        initialize: function () {
            this.bindEvents();
        },
        // Bind Event Listeners
        //
        // Bind any events that are required on startup. Common events are:
        // 'load', 'deviceready', 'offline', and 'online'.
        bindEvents: function () {
            document.addEventListener('deviceready', this.onDeviceReady, false);
        },
        // deviceready Event Handler
        //
        // The scope of 'this' is the event. In order to call the 'receivedEvent'
        // function, we must explicitly call 'app.receivedEvent(...);'
        onDeviceReady: function () {
            //       app.receivedEvent('deviceready');
            $(function () {
                myDeviceReady();
            });
        },
        // Update DOM on a Received Event
        receivedEvent: function (id) {
            var parentElement = document.getElementById(id);
            var listeningElement = parentElement.querySelector('.listening');
            var receivedElement = parentElement.querySelector('.received');
            listeningElement.setAttribute('style', 'display:none;');
            receivedElement.setAttribute('style', 'display:block;');
    
            console.log('Received Event: ' + id);
        }
    };
    
    app.initialize();
    var myscroll = null;
    
    function myDeviceReady() {
        var size = $(window).width() / 18
        //设计字体宽度
        $('html').css('font-size', size);
        myscroll = new IScroll("#file-list");
        //打开文件夹
        window.resolveLocalFileSystemURL(cordova.file.externalRootDirectory, function (entry) {
            fileDealer.openEntry(entry);
        }, function () {
            alert('fail');
        });
    
    
        //删除文件夹
        $('.icon-trash-empty').bindtouch(function () {
            var down = $('#operator-down');
            down.data('action','delete');
            down.removeClass('down');
        });
    
        //创建文件夹
        $('.icon-plus').bindtouch(function () {
            $('#dialog-overlay').css('display', 'block');
        });
        //fileDiolog
        $('#file-create').bindtouch(function () {
            // val获取value值
            var fileName = $('#file-name-input').val();
            if (fileName.length == 0 || fileName == undefined) {
                return;
            }
            var curEntry = $('#current-dir').data('curEntry');
            console.log(curEntry);
            console.log(fileDealer);
            fileDealer.createFile(curEntry, fileName);
        });
    
        $('#file-cancel').bindtouch(function () {
            // alert('取消创建');
            $('#dialog-overlay').css('display', 'none');
        });
    
        //confirm dialog
        //   确定
        $('#confirm').bindtouch(function () {
            var down = $('#operator-down');
            down.addClass('down');
            var action = down.data('action');
            console.log(action);
            if (action == 'delete'){
                $('.icon-ok-squared').each(function () {
                    var entry = $(this).parent().data('entry');
                    console.log(entry);
                    function success() {
                        console.log('文件删除成功!');
                        var curEntry = $('#current-dir').data('curEntry');
                        fileDealer.openEntry(curEntry);
                    }
                    function fail() {
                        alert('删除失败');
                    }
    
                    if (entry.isFile) {
                        entry.remove(success, fail);
                    } else {
                        entry.removeRecursively(success, fail)
                    }
    
                });
            }
        });
        //  取消
        $('#cancel').bindtouch(function () {
            $('#operator-down').addClass('down');
        });
    }
    
    function fileHander() {
    
    }
    
    /*--------------------创建文件夹-------------*/
    
    fileHander.prototype.createFile = function (entry, filename) {
        console.log(1);
        entry.getDirectory('./' + filename, {create: true}, function (dirEntry) {
            console.log('创建成功!');
            $('#dialog-overlay').css('display', 'none');
            var curEntry = $('#current-dir').data('curEntry');
            fileDealer.openEntry(curEntry);
        }, function () {
            alert('创建失败!');
        });
    }
    
    /*-------------------打开文件夹---------------------*/
    fileHander.prototype.openEntry = function (entry) {
        //使用克隆方式时,重新更新页面不能用,$('#file-list ul ).html(");
        $('#file-list ul li.item').remove();
        var curren_dir = $('#current-dir');
        curren_dir.text("当前目录:" + entry.name)
        curren_dir.data("curEntry", entry);
    
        $('#upper').bindtouch(
            function () {
                entry.getParent(function (entry) {
                        fileDealer.openEntry(entry);
                    }, function () {
                        alert('get Parent Error');
                    }
                );
            }
        );
    
        entry.createReader().readEntries(function (entries) {
                sortEntrise(entries);
                for (var i = 0; i < entries.length; i++) {
                    var entry = entries[i];
                    //采用克隆方式,比较方便
                    var jObjectLi = $('.t').clone().removeClass('t').addClass('item');
                    jObjectLi.find('.file-name').text(entry.name);
                    //注意绑定事件在这里,不然没反应....
                    jObjectLi.find('#check').bindtouch(function () {
                        changeCheckState.bind(this)();
                        changeOperatorState();
                    }, true);
                    jObjectLi.data('entry', entry);
                    $('.list ul').append(jObjectLi);
                    jObjectLi.bindtouch(function () {
                        var liEntry = $(this).data('entry');
                        if (!liEntry.isFile) {
                            fileDealer.openEntry(liEntry);
                        }
                    });
                }
                myscroll.refresh();
            },
            function (error) {
                alert(error);
            });
    }
    
    var fileDealer = new fileHander();
    
    function changeCheckState() {
        var me = $(this);
        if (me.hasClass('icon-check-empty')) {
            me.removeClass('icon-check-empty');
            me.addClass('icon-ok-squared');
        } else {
            me.addClass('icon-check-empty');
            me.removeClass('icon-ok-squared');
        }
    }
    
    function changeOperatorState() {
        var checkedOpera = $('#operator-checked');
        var unChckOpera = $('#operator-nocheck');
    
        if ($('.icon-ok-squared').length > 0) {
            checkedOpera.show();
            unChckOpera.hide();
        } else {
            checkedOpera.hide();
            unChckOpera.show();
        }
    }
    
    //将文件和文件夹分离
    function sortEntrise(entries) {
        entries.sort(function (a, b) {
            if (a.isFile && !b.isFile) {
                return 1;
            } else if (!a.isFile && b.isFile) {
                return -1;
            } else {
                return a.name < b.name;
            }
        })
    }
    
    
    /*------------添加点击事件--------------*/
    //扩展为jQuery自定义函数
    
    $.fn.bindtouch = function (cb, bubble) {
        attachMyEvent($(this), cb, bubble);
    };
    
    
    function attachMyEvent(sr, cb, bubble) {
        //click事件反应时间为300毫秒,因此取消click采用手动
        //手指按下,若手指移动,则触发取消
        sr.unbind();
        var point_one = {};
        var point_two = {};
        sr.on('touchstart', function (event) {
            var me = $(this)
            me.data('touch', true);
            var touch = event.originalEvent.targetTouches[0];
            point_one.x = touch.pageX;
            point_one.y = touch.pageY;
            me.addClass('touchInside');
            if (bubble) {
                event.stopPropagation();
            }
        });
    
        sr.on('touchend', function (event) {
            var me = $(this);
            if (me.data('touch') == true) {
                //改变回调函数的this指针为sr
                //触发回调函数
                cb.bind(this)();
            }
            me.removeClass('touchInside')
            me.data('touch', false);
            if (bubble) {
                event.stopPropagation();
            }
        });
    
        sr.on('touchmove', function (event) {
            var me = $(this);
            var touch = event.originalEvent.targetTouches[0];
            point_two.x = touch.pageX;
            point_two.y = touch.pageY;
            if (me.data('touch')) {
                //华为手机测试,没有滑动也会触发touchmove,所以加测滑动距离,来判断是否滑动
                var distane = getPointsDistance(point_one, point_two);
                console.log(distane);
                $('#log').text(distane);
                if (distane > 4) {
                    me.data('touch', false);
                    me.removeClass('touchInside')
                }
            }
            if (bubble) {
                event.stopPropagation();
            }
            // alert(2);
        });
    }
    //计算两点之间距离
    function getPointsDistance(p1, p2) {
        var xDistance = Math.abs(p1.x - p2.x);
        var yDistance = Math.abs(p1.y - p2.y);
        var distance = Math.sqrt(xDistance * xDistance + yDistance * yDistance);
        return distance;
    }
    

      

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  • 原文地址:https://www.cnblogs.com/yqlog/p/5616804.html
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