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form_builder.html

<!DOCTYPE html>
<html>

<head>

    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">


    <title> - Bootstrap3 表单构建器</title>
    <meta name="keywords" content="">
    <meta name="description" content="">

    <link rel="shortcut icon" href="favicon.ico"> <link href="css/bootstrap.min.css?v=3.3.6" rel="stylesheet">
    <link href="css/font-awesome.css?v=4.4.0" rel="stylesheet">
    <link href="css/animate.css" rel="stylesheet">
    <link href="css/plugins/summernote/summernote.css" rel="stylesheet">
    <link href="css/plugins/summernote/summernote-bs3.css" rel="stylesheet">
    <link href="css/style.css?v=4.1.0" rel="stylesheet">

    <style>
        .droppable-active {
            background-color: #ffe !important;
        }

        .tools a {
            cursor: pointer;
            font-size: 80%;
        }

        .form-body .col-md-6,
        .form-body .col-md-12 {
            min-height: 400px;
        }

        .draggable {
            cursor: move;
        }
    </style>

</head>

<body class="gray-bg">
    <div class="wrapper wrapper-content">

        <div class="row">
            <div class="col-sm-5">
                <div class="ibox float-e-margins">
                    <div class="ibox-title">
                        <h5>元素</h5>
                        <div class="ibox-tools">
                            <a class="collapse-link">
                                <i class="fa fa-chevron-up"></i>
                            </a>
                            <a class="dropdown-toggle" data-toggle="dropdown" href="form_editors.html#">
                                <i class="fa fa-wrench"></i>
                            </a>
                            <ul class="dropdown-menu dropdown-user">
                                <li><a href="form_editors.html#">选项1</a>
                                </li>
                                <li><a href="form_editors.html#">选项2</a>
                                </li>
                            </ul>
                            <a class="close-link">
                                <i class="fa fa-times"></i>
                            </a>
                        </div>
                    </div>
                    <div class="ibox-content">
                        <div class="alert alert-info">
                            拖拽左侧的表单元素到右侧区域，即可生成相应的HTML代码，表单代码，轻松搞定！
                        </div>
                        <form role="form" class="form-horizontal m-t">
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">文本框：</label>
                                <div class="col-sm-9">
                                    <input type="text" name="" class="form-control" placeholder="请输入文本">
                                    <span class="help-block m-b-none">说明文字</span>
                                </div>
                            </div>
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">密码框：</label>
                                <div class="col-sm-9">
                                    <input type="password" class="form-control" name="password" placeholder="请输入密码">
                                </div>
                            </div>
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">下拉列表：</label>
                                <div class="col-sm-9">
                                    <select class="form-control" name="">
                                        <option>选项 1</option>
                                        <option>选项 2</option>
                                        <option>选项 3</option>
                                        <option>选项 4</option>
                                    </select>
                                </div>
                            </div>
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">文件域：</label>
                                <div class="col-sm-9">
                                    <input type="file" name="" class="form-control">
                                </div>
                            </div>
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">纯文本：</label>

                                <div class="col-sm-9">
                                    <p class="form-control-static">这里是纯文字信息</p>
                                </div>
                            </div>
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">单选框：
                                </label>

                                <div class="col-sm-9">
                                    <label class="radio-inline">
                                        <input type="radio" checked="" value="option1" id="optionsRadios1" name="optionsRadios">选项1</label>
                                    <label class="radio-inline">
                                        <input type="radio" value="option2" id="optionsRadios2" name="optionsRadios">选项2</label>

                                </div>
                            </div>
                            <div class="form-group draggable">
                                <label class="col-sm-3 control-label">复选框：</label>

                                <div class="col-sm-9">
                                    <label class="checkbox-inline">
                                        <input type="checkbox" value="option1" id="inlineCheckbox1">选项1</label>
                                    <label class="checkbox-inline">
                                        <input type="checkbox" value="option2" id="inlineCheckbox2">选项2</label>
                                    <label class="checkbox-inline">
                                        <input type="checkbox" value="option3" id="inlineCheckbox3">选项3</label>
                                </div>
                            </div>
                            <div class="hr-line-dashed"></div>
                            <div class="form-group draggable">
                                <div class="col-sm-12 col-sm-offset-3">
                                    <button class="btn btn-primary" type="submit">保存内容</button>
                                    <button class="btn btn-white" type="submit">取消</button>
                                </div>
                            </div>
                        </form>
                        <div class="clearfix"></div>
                    </div>
                </div>
            </div>
            <div class="col-sm-7">
                <div class="ibox float-e-margins">
                    <div class="ibox-title">
                        <h5>拖拽左侧表单元素到此区域</h5>
                        <div class="ibox-tools">
                            请选择显示的列数：
                            <select id="n-columns">
                                <option value="1">显示1列</option>
                                <option value="2">显示2列</option>
                            </select>
                        </div>
                    </div>

                    <div class="ibox-content">
                        <div class="row form-body form-horizontal m-t">
                            <div class="col-md-12 droppable sortable">
                            </div>
                            <div class="col-md-6 droppable sortable" style="display: none;">
                            </div>
                            <div class="col-md-6 droppable sortable" style="display: none;">
                            </div>
                        </div>
                        <button type="submit" class="btn btn-warning" data-clipboard-text="testing" id="copy-to-clipboard">复制代码</button>
                    </div>
                </div>
            </div>
        </div>

    </div>

    <!-- 全局js -->
    <script src="js/jquery.min.js?v=2.1.4"></script>
    <script src="js/bootstrap.min.js?v=3.3.6"></script>

    <!-- 自定义js -->
    <script src="js/content.js?v=1.0.0"></script>

    <!-- jQuery UI -->
    <script src="js/jquery-ui-1.10.4.min.js"></script>

    <!-- From Builder -->
    <script src="js/plugins/beautifyhtml/beautifyhtml.js"></script>

    <script>
        $(document).ready(function () {
            setup_draggable();

            $("#n-columns").on("change", function () {
                var v = $(this).val();
                if (v === "1") {
                    var $col = $('.form-body .col-md-12').toggle(true);
                    $('.form-body .col-md-6 .draggable').each(function (i, el) {
                        $(this).remove().appendTo($col);
                    })
                    $('.form-body .col-md-6').toggle(false);
                } else {
                    var $col = $('.form-body .col-md-6').toggle(true);
                    $(".form-body .col-md-12 .draggable").each(function (i, el) {
                        $(this).remove().appendTo(i % 2 ? $col[1] : $col[0]);
                    });
                    $('.form-body .col-md-12').toggle(false);
                }
            });

            $("#copy-to-clipboard").on("click", function () {
                var $copy = $(".form-body").clone().appendTo(document.body);
                $copy.find(".tools, :hidden").remove();
                $.each(["draggable", "droppable", "sortable", "dropped",
    "ui-sortable", "ui-draggable", "ui-droppable", "form-body"], function (i, c) {
                    $copy.find("." + c).removeClass(c).removeAttr("style");
                })
                var html = html_beautify($copy.html());
                $copy.remove();

                $modal = get_modal(html).modal("show");
                $modal.find(".btn").remove();
                $modal.find(".modal-title").html("复制HTML代码");
                $modal.find(":input:first").select().focus();

                return false;
            })


        });

        var setup_draggable = function () {
            $(".draggable").draggable({
                appendTo: "body",
                helper: "clone"
            });
            $(".droppable").droppable({
                accept: ".draggable",
                helper: "clone",
                hoverClass: "droppable-active",
                drop: function (event, ui) {
                    $(".empty-form").remove();
                    var $orig = $(ui.draggable)
                    if (!$(ui.draggable).hasClass("dropped")) {
                        var $el = $orig
                            .clone()
                            .addClass("dropped")
                            .css({
                                "position": "static",
                                "left": null,
                                "right": null
                            })
                            .appendTo(this);

                        // update id
                        var id = $orig.find(":input").attr("id");

                        if (id) {
                            id = id.split("-").slice(0, -1).join("-") + "-" + (parseInt(id.split("-").slice(-1)[0]) + 1)

                            $orig.find(":input").attr("id", id);
                            $orig.find("label").attr("for", id);
                        }

                        // tools
                        $('<p class="tools col-sm-12 col-sm-offset-3">\
						<a class="edit-link">编辑HTML<a> | \
						<a class="remove-link">移除</a></p>').appendTo($el);
                    } else {
                        if ($(this)[0] != $orig.parent()[0]) {
                            var $el = $orig
                                .clone()
                                .css({
                                    "position": "static",
                                    "left": null,
                                    "right": null
                                })
                                .appendTo(this);
                            $orig.remove();
                        }
                    }
                }
            }).sortable();

        }

        var get_modal = function (content) {
            var modal = $('<div class="modal" style="overflow: auto;" tabindex="-1">\
			<div class="modal-dialog">\
				<div class="modal-content">\
					<div class="modal-header">\
						<a type="button" class="close"\
							data-dismiss="modal" aria-hidden="true">&times;</a>\
						<h4 class="modal-title">编辑HTML</h4>\
					</div>\
					<div class="modal-body ui-front">\
						<textarea class="form-control" \
							style="min-height: 200px; margin-bottom: 10px;\
							font-family: Monaco, Fixed">' + content + '</textarea>\
						<button class="btn btn-success">更新HTML</button>\
					</div>\
				</div>\
			</div>\
			</div>').appendTo(document.body);

            return modal;
        };

        $(document).on("click", ".edit-link", function (ev) {
            var $el = $(this).parent().parent();
            var $el_copy = $el.clone();

            var $edit_btn = $el_copy.find(".edit-link").parent().remove();

            var $modal = get_modal(html_beautify($el_copy.html())).modal("show");
            $modal.find(":input:first").focus();
            $modal.find(".btn-success").click(function (ev2) {
                var html = $modal.find("textarea").val();
                if (!html) {
                    $el.remove();
                } else {
                    $el.html(html);
                    $edit_btn.appendTo($el);
                }
                $modal.modal("hide");
                return false;
            })
        });

        $(document).on("click", ".remove-link", function (ev) {
            $(this).parent().parent().remove();
        });
    </script>


</body>

</html>