kimi
2021-02-18 749a5510a9f014446a3cd6ba57b3cb0cc8148dc1
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<!DOCTYPE html>
<html>
 
    <head>
        <meta charset="utf-8">
        <title>Hello MUI</title>
        <meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
        <meta name="apple-mobile-web-app-capable" content="yes">
        <meta name="apple-mobile-web-app-status-bar-style" content="black">
 
        <link rel="stylesheet" href="../css/mui.min.css">
        <style>
            html,
            body {
                background-color: #efeff4;
            }
            p {
                text-indent: 22px;
            }
            span.mui-icon {
                font-size: 14px;
                color: #007aff;
                margin-left: -15px;
                padding-right: 10px;
            }
        </style>
    </head>
 
    <body>
 
        <header class="mui-bar mui-bar-nav">
            <a class="mui-action-menu mui-icon mui-icon-bars mui-pull-right"></a>
            <a class="mui-action-back mui-icon mui-icon-back mui-pull-left"></a>
            <h1 class="mui-title">off canvas(侧滑导航)</h1>
        </header>
        <div class="mui-content">
            <div class="mui-content-padded">
                <p>这是webview模式右滑导航示例,主页面和菜单在不同的webview中,
                    优点是支持菜单内容在多页面的复用,缺点是不支持拖动手势(跟手);
                    当前页面为主界面,你可以在主界面放置任何内容;
                     打开侧滑菜单有多种方式:
                     1、在当前页面快速向左滑动(swipe); 
                     2、点击页面右上角的
                    <span class="mui-icon mui-icon-bars"></span> 图标;
                     3、通过JS API触发(例如点击如下蓝色按钮体验);
                     <span class="android-only">4、Android手机按menu键;</span>
                </p>
                <p style="padding: 5px 20px;margin-bottom: 5px;">
                    <button id="show-btn" type="button" class="mui-btn mui-btn-primary mui-btn-block" style="padding: 10px;">
                        显示侧滑菜单
                    </button>
                </p>
                <p >侧滑菜单的移动动画,支持多种效果,切换如下选项体验不同动画效果:</p>
 
            </div>
            <form class="mui-input-group" style="margin-bottom: 15px;">
                <div class="mui-input-row mui-radio">
                    <label>主界面移动、菜单不动</label>
                    <input name="style" type="radio" checked="" value="main-move">
                </div>
                <div class="mui-input-row mui-radio">
                    <label>主界面不动、菜单移动</label>
                    <input name="style" type="radio" value="menu-move">
                </div>
                <div class="mui-input-row mui-radio mui-hidden" id="move-togger">
                    <label>整体移动</label>
                    <input name="style" type="radio" value="all-move">
                </div>
            </form>
        </div>
        <script src="../js/mui.min.js"></script>
        <script>
            var main,menu, mask = mui.createMask(_closeMenu);
            var showMenu = false,
                mode = 'main-move';
 
             //整体滑动暂不支持android手机,因为两个页面的移动动画,无法保证同步性;
            if (!mui.os.android) {
                //整体滑动暂不支持android手机,因为两个页面的移动动画,无法保证同步性;
                document.getElementById("move-togger").classList.remove('mui-hidden');
                var spans = document.querySelectorAll('.android-only');
                for (var i=0,len=spans.length;i<len;i++) {
                    spans[i].style.display = "none";
                }
            }
 
            mui.init({
                swipeBack: false,
                beforeback: back
            });
 
            function back() {
                    if (showMenu) {
                        //菜单处于显示状态,返回键应该先关闭菜单,阻止主窗口执行mui.back逻辑;
                        closeMenu();
                        return false;
                    } else {
                        //菜单处于隐藏状态,执行返回时,要先close菜单页面,然后继续执行mui.back逻辑关闭主窗口;
                        menu.close('none');
                        return true;
                    }
                }
            //plusReady事件后,自动创建menu窗口;
            mui.plusReady(function() {
                main = plus.webview.currentWebview();
                //setTimeout的目的是等待窗体动画结束后,再执行create webview操作,避免资源竞争,导致窗口动画不流畅;
                setTimeout(function () {
                    menu = mui.preload({
                        id: 'offcanvas-drag-left-plus-menu',
                        url: 'offcanvas-drag-left-plus-menu.html',
                        styles: {
                            left: "30%",
                            width: '70%',
                            zindex: 9997
                        }
                    });
                },300);
            });
 
            /*
             * 显示菜单菜单
             */
            function openMenu() {
                    if (!showMenu) {
                        //解决android 4.4以下版本webview移动时,导致fixed定位元素错乱的bug;
                        if (mui.os.android && parseFloat(mui.os.version) < 4.4) {
                            document.querySelector("header.mui-bar").style.position = "static";
                            //同时需要修改以下.mui-contnt的padding-top,否则会多出空白;
                            document.querySelector(".mui-bar-nav~.mui-content").style.paddingTop = "0px";
                        }
 
                        //侧滑菜单处于隐藏状态,则立即显示出来;
                        //显示完毕后,根据不同动画效果移动窗体;
                        menu.show('none', 0, function() {
                            switch (mode){
                                case 'main-move':
                                    //主窗体开始侧滑;
                                    main.setStyle({
                                        left: '-70%',
                                        transition: {
                                            duration: 150
                                        }
                                    });
                                    break;
                                case 'menu-move':
                                    menu.setStyle({
                                        left: '30%',
                                        transition: {
                                            duration: 150
                                        }
                                    });
                                    break;
                                case 'all-move':
                                    main.setStyle({
                                        left: '-70%',
                                        transition: {
                                            duration: 150
                                        }
                                    });
                                    menu.setStyle({
                                        left: '30%',
                                        transition: {
                                            duration: 150
                                        }
                                    });
                                    break;
                            }
                        });
                        //显示主窗体遮罩
                        mask.show();
                        showMenu = true;
                    }
                }
            function closeMenu () {
                //窗体移动
                _closeMenu();
                //关闭遮罩
                mask.close();
            }
            
            /**
             * 关闭侧滑菜单(业务部分)
             */
            function _closeMenu() {
                if (showMenu) {
                    //解决android 4.4以下版本webview移动时,导致fixed定位元素错乱的bug;
                    if (mui.os.android && parseFloat(mui.os.version) < 4.4) {
                        document.querySelector("header.mui-bar").style.position = "fixed";
                        //同时需要修改以下.mui-contnt的padding-top,否则会多出空白;
                        document.querySelector(".mui-bar-nav~.mui-content").style.paddingTop = "44px";
                    }
 
                    switch (mode){
                        case 'main-move':
                            //主窗体开始侧滑;
                            main.setStyle({
                                left: '0',
                                transition: {
                                    duration: 150
                                }
                            });
                            break;
                        case 'menu-move':
                            //主窗体开始侧滑;
                            menu.setStyle({
                                left: '100%',
                                transition: {
                                    duration: 150
                                }
                            });
                            break;
                        case 'all-move':
                            //主窗体开始侧滑;
                            main.setStyle({
                                left: '0',
                                transition: {
                                    duration: 150
                                }
                            });
                            //menu页面同时移动
                            menu.setStyle({
                                left: '100%',
                                transition: {
                                    duration: 150
                                }
                            });
                            
                            break;
                    }
                    //等窗体动画结束后,隐藏菜单webview,节省资源;
                    setTimeout(function() {
                        menu.hide();
                    }, 300);
                    showMenu = false;
                }
            }
            
            //变换侧滑动画移动效果;
            mui('.mui-input-group').on('change', 'input', function() {
                if (this.checked) {
                    switch (this.value) {
                        case 'main-move':
                            //仅主窗口移动的时候,menu页面的zindex值要低一点;
                            menu.setStyle({left:'30%',zindex:9997});
//                            menu.hide();
                            mode = 'main-move';
                            break;
                        case 'menu-move':
                            menu.setStyle({left:'100%',zindex:9999});
                            mode = 'menu-move';
                            break;
                        case 'all-move':
                            //切换为整体移动
                            //变换menu界面初始化位置,整体移动时,Menu界面left需要在-70%的地方;
                            menu.setStyle({
                                left: '100%'
                            });
                            mode = 'all-move';
                            break;
                    }
                }
            });
            
            
            document.getElementById("show-btn").addEventListener('tap',openMenu);
             //点击侧滑图标,打开侧滑菜单;
            document.querySelector('.mui-action-menu').addEventListener('tap', openMenu);
             //在android4.4中的swipe事件,需要preventDefault一下,否则触发不正常
             //故,在dragleft,dragright中preventDefault
            window.addEventListener('dragright', function(e) {
                e.detail.gesture.preventDefault();
            });
            window.addEventListener('dragleft', function(e) {
                e.detail.gesture.preventDefault();
            });
             //主界面向左滑动,若菜单未显示,则显示菜单;否则不做任何操作;
            window.addEventListener("swipeleft", openMenu);
             //主界面向右滑动,若菜单已显示,则关闭菜单;否则,不做任何操作;
            window.addEventListener("swiperight", closeMenu);
             //menu页面向右滑动,关闭菜单;
            window.addEventListener("menu:swiperight", closeMenu);
 
             //重写mui.menu方法,Android版本menu按键按下可自动打开、关闭侧滑菜单;
            mui.menu = function() {
                if (showMenu) {
                    closeMenu();
                } else {
                    openMenu();
                }
            }
        </script>
    </body>
</html>