我想开发一些东西:
我使用lobb.js,但我认为这并不重要。在一段代码中,我定义了我的引导程序模式:
<div id="detailsContainer">
<div class="modal fade" id="someId" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel"><span class="glyphicon glyphicon-cloud-upload" aria-hidden="true"></span> Some Title</h4>
</div>
<div class="modal-body" id="content">
<form class="form-horizontal" role="form" id="modalFormBody">
... some content
</form>
</div>
<div class="modal-footer">
<div class="pull-right" id="modalButtonBar">
<button type="button" class="btn btn-default control-button" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary control-button" id="addButton">Add</button>
</div>
</div>
</div>
</div>
现在,当我尝试使用此代码设置模式可拖动时:
var $container = $("#detailsContainer");
$container.on('mousedown', 'div', function() {
$(this).addClass('draggable').parents().on('mousemove', function(e) {
$('.draggable').offset({
top: e.pageY - $('.draggable').outerHeight() / 2,
left: e.pageX - $('.draggable').outerWidth() / 2
}).on('mouseup', function() {
$(this).removeClass('draggable');
});
});
e.preventDefault();
}).on('mouseup', function() {
$('.draggable').removeClass('draggable');
});
行为很奇怪:
上面的示例在stackoverflow上找到了它(很抱歉,我没有找到它的链接)。我还找到了jquery-ui的一些示例。但我不想使用它。只有Jquery。
我也尝试过:Dialog draggable和JQuery Draggable Demo。但是没有成功。第一个不使我的模式可拖动,而第二个我不明白如何在$ container
中使用它有人可以帮我吗?
更新
$('body').on('mousedown', '.modal-dialog', function() {
$(this).addClass('draggable').parents().on('mousemove', function(e) {
$('.draggable').offset({
top: e.pageY - $('.draggable').outerHeight() / 2,
left: e.pageX - $('.draggable').outerWidth() / 2
}).on('mouseup', function() {
$(this).removeClass('draggable');
});
});
e.preventDefault();
}).on('mouseup', function() {
$('.draggable').removeClass('draggable');
});
但是当我想拖动...时,它将改变我拾起模态的位置。它在拐角处。不在那里我拿起它吗?我该如何纠正?将“ .modal-dialog”放在mousedown函数上是错误的吗?如果这是错误的,那么我必须将哪个元素放到那里?
还有另一点:我在模式主体中拥有的元素(例如下拉列表)必须不可拖动。如何排除它们?
请尝试此代码,它将对您有所帮助,下面的代码没有jquery ui
检查此更新的小提琴check here
$(function() {
$('body').on('mousedown', '#myModal', function(ev) {
$(this).addClass('draggable').parents().on('mousemove', function(e) {
$('.draggable').offset({
top: e.pageY - $('.draggable').outerHeight() /8,
left: e.pageX - $('.draggable').outerWidth() /8
}).on('mouseup', function() {
$(this).removeClass('draggable');
});
});
ev.preventDefault();
}).on('mouseup', function() {
$('.draggable').removeClass('draggable');
});
});
body {padding:50px;}
div {
cursor:move;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
Launch demo modal
</button>
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel">Modal title</h4>
</div>
<div class="modal-body">
<form>
<div class="form-group">
<label for="recipient-name" class="control-label">Recipient:</label>
<input type="text" class="form-control" id="recipient-name">
</div>
<div class="form-group">
<label for="message-text" class="control-label">Message:</label>
<textarea class="form-control" id="message-text"></textarea>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
此答案为时已晚,但万一有人(例如我)正在寻找解决方案。最后,我的解决方案是使用以下代码:
(function ($) {
$.fn.drags = function (opt) {
opt = $.extend({ handle: "", cursor: "move" }, opt);
var $el = null;
if (opt.handle === "") {
$el = this;
} else {
$el = this.find(opt.handle);
}
return $el.css('cursor', opt.cursor).on("mousedown", function (e) {
var $drag = null;
if (opt.handle === "") {
$drag = $(this).parents('.modal-dialog').addClass('draggable');
} else {
$drag = $(this).parents('.modal-dialog').addClass('active-handle').parent().addClass('draggable');
}
var z_idx = $drag.css('z-index'),
drg_h = $drag.outerHeight(),
drg_w = $drag.outerWidth(),
pos_y = $drag.offset().top + drg_h - e.pageY,
pos_x = $drag.offset().left + drg_w - e.pageX;
$drag.css('z-index', 1000).parents().on("mousemove", function (e) {
$('.draggable').offset({
top: e.pageY + pos_y - drg_h,
left: e.pageX + pos_x - drg_w
}).on("mouseup", function () {
$(this).removeClass('draggable').css('z-index', z_idx);
});
});
e.preventDefault(); // disable selection
}).on("mouseup", function () {
if (opt.handle === "") {
$(this).removeClass('draggable');
} else {
$(this).removeClass('active-handle').parent().removeClass('draggable');
}
});
}
})(jQuery);
然后,当显示模态时:
$('#modal').on('shown.bs.modal', function () {
$(this).find('.card-header').drags();
});
$('#modal').modal({ show: true, backdrop: 'static', keyboard: false });
我正在模态对话框中使用带有这样的HTML的卡片:
<div id="modal" class="modal fade">
<div class="modal-dialog modal-dialog-centered modal-lg">
<div class="modal-content animated bounceInRight">
<div class="modal-body">
<div class="card">
<div class="card-header border-bottom-0">My super title</div>
<div class="card-body">
<form >...</form>
</div>
</div>
</div>
<div class="modal-footer">
<button type="submit" class="btn btn-success" id="btnAlmacenar"><i class="fa fa-save"></i> Almacenar</button>
<button type="button" class="btn btn-danger" data-dismiss="modal"><i class="fa fa-close"></i> Cancelar</button>
</div>
</div>
</div>
</div>
这是完整的代码段,如果您想尝试的话:
(function ($) {
$.fn.drags = function (opt) {
opt = $.extend({ handle: "", cursor: "move" }, opt);
var $el = null;
if (opt.handle === "") {
$el = this;
} else {
$el = this.find(opt.handle);
}
return $el.css('cursor', opt.cursor).on("mousedown", function (e) {
var $drag = null;
if (opt.handle === "") {
$drag = $(this).parents('.modal-dialog').addClass('draggable');
} else {
$drag = $(this).parents('.modal-dialog').addClass('active-handle').parent().addClass('draggable');
}
var z_idx = $drag.css('z-index'),
drg_h = $drag.outerHeight(),
drg_w = $drag.outerWidth(),
pos_y = $drag.offset().top + drg_h - e.pageY,
pos_x = $drag.offset().left + drg_w - e.pageX;
$drag.css('z-index', 1000).parents().on("mousemove", function (e) {
$('.draggable').offset({
top: e.pageY + pos_y - drg_h,
left: e.pageX + pos_x - drg_w
}).on("mouseup", function () {
$(this).removeClass('draggable').css('z-index', z_idx);
});
});
e.preventDefault(); // disable selection
}).on("mouseup", function () {
if (opt.handle === "") {
$(this).removeClass('draggable');
} else {
$(this).removeClass('active-handle').parent().removeClass('draggable');
}
});
}
})(jQuery);
$(document).ready(function () {
$('#modal').on('shown.bs.modal', function () {
$(this).find('.card-header').drags();
});
$('#modal').modal({ show: true, backdrop: 'static', keyboard: false });
});
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.bundle.min.js"></script>
<div id="modal" class="modal fade">
<div class="modal-dialog modal-dialog-centered modal-lg">
<div class="modal-content animated bounceInRight">
<div class="modal-body">
<div class="card">
<div class="card-header border-bottom-0">My super title</div>
<div class="card-body">
<form></form>
</div>
</div>
</div>
<div class="modal-footer">
<button type="submit" class="btn btn-success" id="btnAlmacenar"><i class="fa fa-save"></i> Almacenar</button>
<button type="button" class="btn btn-danger" data-dismiss="modal"><i class="fa fa-close"></i> Cancelar</button>
</div>
</div>
</div>
</div>