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Jquery实现拖拽可编辑模块

来源：程序员人生发布时间：2017-03-11 10:24:20 阅读次数：6981次

上天给予你天赋，是由于你有不可推辞的责任和使命。

index.html

<!DOCTYPE html>
<html>
<head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF⑻" />
        <title>iNettuts - Welcome!</title>

        <link href="inettuts.css" rel="stylesheet" type="text/css" />
</head>
<body>

    <div id="head">
        <h1>iNettuts</h1>
    </div>

    <div id="columns">

        <ul id="column1" class="column">
            <li class="widget color-green" id="intro">
                <div class="widget-head">
                    <h3>简介窗口</h3>
                </div>
                <div class="widget-content">
                    <p>如果你活着，早晚都会死；如果你死了，你就永久活着。</p>
                </div>
            </li>
            <li class="widget color-red">  
                <div class="widget-head">
                    <h3>窗口标题</h3>
                </div>
                <div class="widget-content">
                    <p>世界上本没有路，有了腿便有了路。</p>
                </div>
            </li>
        </ul>

        <ul id="column2" class="column">
            <li class="widget color-blue">  
                <div class="widget-head">
                    <h3>窗口标题</h3>
                </div>
                <div class="widget-content">
                    <p>1个人只能全力以赴，等待命运去揭晓答案。</p>
                </div>
            </li>
            <li class="widget color-yellow" id="dingzh">  
                <div class="widget-head">
                    <h3>窗口标题</h3>
                </div>
                <div class="widget-content">
                    <p>望着沧茫大海,令我得到片刻摆脱;不怀缅过去,也不展望未来。</p>
                </div>
            </li>
        </ul>

        <ul id="column3" class="column">
            <li class="widget color-orange">  
                <div class="widget-head">
                    <h3>窗口标题</h3>
                </div>
                <div class="widget-content">
                    <p>就像这些樱花，每一个生命都会凋零。每吸1口气，每喝1杯茶，每杀1个人都能体悟人生，这就是武士精神。</p>
                </div>
            </li>
            <li class="widget color-white">  
                <div class="widget-head">
                    <h3>窗口标题</h3>
                </div>
                <div class="widget-content">
                    <p>人应竭尽所能，然后听天由命。</p>
                </div>
            </li>

        </ul>



    </div>


    <script type="text/javascript" src="jquery⑴.3.2.min.js"></script>
    <script type="text/javascript" src="jquery-ui⑴.7.2.custom.min.js"></script>
    <script type="text/javascript" src="inettuts.js"></script>

</body>
</html>

inettuts.js

var iNettuts = {

    jQuery : $,

    settings : {
        columns : '.column',
        widgetSelector: '.widget',
        handleSelector: '.widget-head',
        contentSelector: '.widget-content',
        widgetDefault : {
            movable: true,
            removable: true,
            collapsible: true,
            editable: true,
            colorClasses : ['color-yellow', 'color-red', 'color-blue', 'color-white', 'color-orange', 'color-green']
        },
        widgetIndividual : {
            //个别的模块
            intro : {
                movable: false,
                removable: false,
                collapsible: false,
                editable: false
            },
            dingzh : {
                movable: false,
                removable: false,
                collapsible: true
            }
        }
    },

    //初始化
    init : function () {
        this.attachStylesheet('inettuts.js.css');
        this.addWidgetControls();
        this.makeSortable();
    },

    getWidgetSettings : function (id) {
        var $ = this.jQuery,
            settings = this.settings;
            //判断ID模块是不是定义过
        return (id&&settings.widgetIndividual[id]) ? $.extend({},settings.widgetDefault,settings.widgetIndividual[id]) : settings.widgetDefault;
    },

    //动态追加元素
    addWidgetControls : function () {
        var iNettuts = this,
            $ = this.jQuery,
            settings = this.settings;

        //设置选择器环境
        //默许情况下，选择器从文档根部对 DOM 进行搜索。不过，可以为 $() 设置可选的 context 参数。
        //如果我们希望在1个 .column类属性 的对象中 中搜索1个.widget类属性的 元素，可以限定下面的搜索：
        $(settings.widgetSelector, $(settings.columns)).each(function () {
            //遍历匹配的结果

            var thisWidgetSettings = iNettuts.getWidgetSettings(this.id);

            //移除窗体元素
            if (thisWidgetSettings.removable) {
                $('<a href="#" class="remove">CLOSE</a>').mousedown(function (e) {
                    //禁止事件冒泡
                    e.stopPropagation();    
                }).click(function () {
                    if(confirm('这个小部件将被删除，肯定吗?')) {
                        $(this).parents(settings.widgetSelector).animate({
                            opacity: 0    
                        },function () {
                            $(this).wrap('<div/>').parent().slideUp(function () {
                                //删除
                                //remove() 方法移除被选元素，包括所有文本和子节点。
                                 //该方法不会把匹配的元素从 jQuery 对象中删除，因此可以在将来再使用这些匹配的元素。
                                $(this).remove();
                            });
                        });
                    }
                    return false;
                }).appendTo($(settings.handleSelector, this));
            }

            //编辑窗体元素
            if (thisWidgetSettings.editable) {
                $('<a href="#" class="edit">EDIT</a>').mousedown(function (e) {
                    e.stopPropagation();    
                }).toggle(function () {
                    $(this).css({backgroundPosition: '⑹6px 0', width: '55px'})
                        .parents(settings.widgetSelector)
                            .find('.edit-box').show().find('input').focus();
                    return false;
                },function () {
                    $(this).css({backgroundPosition: '', width: ''})
                        .parents(settings.widgetSelector)
                            .find('.edit-box').hide();
                    return false;
                }).appendTo($(settings.handleSelector,this));
                $('<div class="edit-box" style="display:none;"/>')
                    .append('<ul><li class="item"><label>改变标题吗?</label><input value="' + $('h3',this).text() + '"/></li>')
                    .append((function(){
                        var colorList = '<li class="item"><label>可用的色彩:</label><ul class="colors">';
                        $(thisWidgetSettings.colorClasses).each(function () {
                            colorList += '<li class="' + this + '"/>';
                        });
                        return colorList + '</ul>';
                    })())
                    .append('</ul>')
                    .insertAfter($(settings.handleSelector,this));
            }


            //折叠
            if (thisWidgetSettings.collapsible) {
                $('<a href="#" class="collapse">COLLAPSE</a>').mousedown(function (e) {
                    e.stopPropagation();    
                }).toggle(function () {
                    $(this).css({backgroundPosition: '⑶8px 0'})
                        .parents(settings.widgetSelector)
                            .find(settings.contentSelector).hide();
                    return false;
                },function () {
                    $(this).css({backgroundPosition: '⑸2px 0'})
                        .parents(settings.widgetSelector)
                            .find(settings.contentSelector).show();
                    return false;
                }).prependTo($(settings.handleSelector,this));
            }
        });

        $('.edit-box').each(function () {
            $('input',this).keyup(function () {
                $(this).parents(settings.widgetSelector).find('h3').text( $(this).val().length>20 ? $(this).val().substr(0,20)+'...' : $(this).val() );
            });
            $('ul.colors li',this).click(function () {

                var colorStylePattern = /\bcolor-[\w]{1,}\b/,
                    thisWidgetColorClass = $(this).parents(settings.widgetSelector).attr('class').match(colorStylePattern)
                if (thisWidgetColorClass) {
                    $(this).parents(settings.widgetSelector)
                        .removeClass(thisWidgetColorClass[0])
                        .addClass($(this).attr('class').match(colorStylePattern)[0]);
                }
                return false;

            });
        });

    },

    attachStylesheet : function (href) {
        var $ = this.jQuery;
        return $('<link href="' + href + '" rel="stylesheet" type="text/css" />').appendTo('head');
    },


    //排序窗体布局
    makeSortable : function () {
        var iNettuts = this,
            $ = this.jQuery,
            settings = this.settings,
            $sortableItems = (function () {
                var notSortable = '';
                $(settings.widgetSelector,$(settings.columns)).each(function (i) {
                     //判断是不是具有可移动属性
                    if (!iNettuts.getWidgetSettings(this.id).movable) {
                        if(!this.id) {
                            this.id = 'widget-no-id-' + i;
                        }
                        notSortable += '#' + this.id + ',';
                    }
                });
                return $('> li:not(' + notSortable + ')', settings.columns);
            })();

        $sortableItems.find(settings.handleSelector).css({
            cursor: 'move'
        }).mousedown(function (e) {
            $sortableItems.css({width:''});
            $(this).parent().css({
                width: $(this).parent().width() + 'px'
            });
        }).mouseup(function () {
            if(!$(this).parent().hasClass('dragging')) {
                $(this).parent().css({width:''});
            } else {
                $(settings.columns).sortable('disable');
            }
        });

        $(settings.columns).sortable({
            items: $sortableItems,
            connectWith: $(settings.columns),
            handle: settings.handleSelector,
            placeholder: 'widget-placeholder',
            forcePlaceholderSize: true,
            revert: 300,
            delay: 100,
            opacity: 0.8,
            containment: 'document',
            start: function (e,ui) {
                $(ui.helper).addClass('dragging');
            },
            stop: function (e,ui) {
                $(ui.item).css({width:''}).removeClass('dragging');
                $(settings.columns).sortable('enable');
            }
        });
    }

};

iNettuts.init();

inettuts.css

/* Reset */
body,img,p,h1,h2,h3,h4,h5,h6,ul,ol {margin:0; padding:0; list-style:none; border:none;}
/* End Reset */

body {font-size:0.8em; font-family:Arial,Verdana,Sans-Serif; background: #fff;}
a {color:white;}

/* Colors */
.color-yellow {background:#f2bc00;}
.color-red    {background:#dd0000;}
.color-blue   {background:#148ea4;}
.color-white  {background:#dfdfdf;}
.color-orange {background:#f66e00;}
.color-green  {background:#8dc100;}
.color-yellow h3,
.color-white h3,
.color-green h3
    {color:#000;}
.color-red h3,
.color-blue h3,
.color-orange h3
    {color:#FFF;}
/* End Colors */

/* Head section */
#head {
    background: #fff url(img/head-bg.png) repeat-x;
    height: 100px;
}
#head h1 {
    line-height: 100px;
    color: #FFF;
    text-align: center;
    background: url(img/inettuts.png) no-repeat center;
    text-indent: -9999em
}
/* End Head Section */

/* Columns section */
#columns .column {
    float: left;
    width: 33.3%;
        /* Min-height: */
        min-height: 400px;
        height: auto !important; 
        height: 400px;
}

#columns .column-dingzh {
    float: left;
    width: 33.3%;
        /* Min-height: */
        min-height: 400px;
        height: auto !important; 
        height: 400px;
}

/* Column dividers (background-images) : */
    #columns #column1 { background: url(img/column-bg-left.png) no-repeat right top; }
    #columns #column3 { background: url(img/column-bg-right.png) no-repeat left top; }

#columns #column1 .widget { margin: 30px 35px 0 25px; }
#columns #column3 .widget { margin: 30px 25px 0 35px; }
#columns .widget {
    margin: 30px 20px 0 20px;
    padding: 2px;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
}
#columns .widget .widget-head {
    color: #fff;
    overflow: hidden;
    width: 100%;
    height: 30px;
    line-height: 30px;
}
#columns .widget .widget-head h3 {
    padding: 0 5px;
    float: left;
}
#columns .widget .widget-content {
    background: #333 url(img/widget-content-bg.png) repeat-x;
    padding: 0 5px;
    color: #DDD;
    -moz-border-radius-bottomleft: 2px;
    -moz-border-radius-bottomright: 2px;
    -webkit-border-bottom-left-radius: 2px;
    -webkit-border-bottom-right-radius: 2px;
    line-height: 1.2em;
    overflow: hidden;
}
#columns .widget .widget-content p {
    padding: 0.8em 0;
    border-bottom: 1px solid #666;
}
#columns .widget .widget-content img {
    float: right;
    margin: 10px;
    border: 1px solid #FFF;
}
#columns .widget .widget-content pre {
    padding: 0.5em 5px;
    color: #EEE;
    font-size: 12px;
}
#columns .widget .widget-content ul {
    padding: 5px 0 5px 20px;
    list-style: disc;
}
#columns .widget .widget-content ul li {padding: 3px 0;}
#columns .widget .widget-content ul.images {
    padding: 7px 0 0 0;
    list-style: none;
    height: 1%;
}
#columns .widget .widget-content ul.images li {
    display: inline;
    float: left;
}
#columns .widget .widget-content ul.images img {
    display: inline;
    float: left;
    margin: 0 0 7px 7px;
}
/* End Columns section */

inettuts.js.css

/* JS-Enabled CSS */

.widget-head a.remove  {
    float: right;
    display: inline;
    background: url(img/buttons.gif) no-repeat -24px 0;
    width: 14px;
    height: 14px;
    margin: 8px 4px 8px 0;
    text-indent: -9999em;
    outline: none;
}

.widget-head a.edit  {
    float: right;
    display: inline;
    background: url(img/buttons.gif) no-repeat;
    width: 24px;
    height: 14px;
    text-indent: -9999em;
    margin: 8px 4px 8px 4px;
    outline: none;
}

.widget-head a.collapse  {
    float: left;
    display: inline;
    background: url(img/buttons.gif) no-repeat -52px 0;
    width: 14px;
    height: 14px;
    text-indent: -9999em;
    margin: 8px 0 8px 4px;
    outline: none;
}

.widget-placeholder { border: 2px dashed #999;}
#column1 .widget-placeholder { margin: 30px 35px 0 25px; }
#column2 .widget-placeholder { margin: 30px 20px 0 20px; }
#column3 .widget-placeholder { margin: 30px 25px 0 35px; }

.edit-box {
    overflow: hidden;
    background: #333 url(img/widget-content-bg.png) repeat-x;
    margin-bottom: 2px;
    padding: 10px 0;
}

.edit-box li.item {
    padding: 10px 0;
    overflow: hidden;
    float: left;
    width: 100%;
    clear: both;
}


.edit-box label {
    float: left;
    width: 30%;
    color: #FFF;
    padding: 0 0 0 10px;
}

.edit-box ul.colors li {
    width: 20px;
    height: 20px;
    border: 1px solid #EEE;
    float: left;
    display: inline;
    margin: 0 5px 0 0;
    cursor: pointer;
}