我想让整个HTML块可拖动,而不仅仅是文本或图片,所以我想出了这个:http://jsfiddle.net/8D7YK/
释放鼠标按钮时不会触发拖动结束事件。跌落事件也不会。你知道为什么吗?
CSS:
html * {
margin: 0;
padding: 0;
}
table {
position: relative;
}
td {
padding: 5px;
background: #DDF;
}
JS:
(function($) {
$(document).ready(function() {
var $this;
var mouseMoveHandler = function(e) {
$this.css('position', 'fixed')
.css('top', e.pageY - $this.height() / 2)
.css('left', e.pageX - $this.width() / 2);
};
$('td').on({
dragstart: function(e) {
$this = $(this);
$(window).bind('mousemove', mouseMoveHandler);
},
dragenter: function(e) {
alert('dragenter');
},
dragleave: function() {
alert('dragleave');
},
dragover: function(e) {
e.preventDefault(); // Chrome / Safari
alert('dragover');
},
drop: function(e) {
alert('drop');
},
dragend: function(e) {
var data = e.dataTransfer.getData('text/html');
$this.html($(this).html());
$(this).html(data);
$(window).unbind('mousemove', mouseMoveHandler);
},
click: function() {
}
});
});
})(jQuery);
HTML:
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<table>
<tr>
<td draggable="true">TEXT_00</td>
<td draggable="true">TEXT_01</td>
<td draggable="true">TEXT_02</td>
<td draggable="true">TEXT_03</td>
<td draggable="true">TEXT_04</td>
</tr>
<tr>
<td draggable="true">TEXT_10</td>
<td draggable="true">TEXT_11</td>
<td draggable="true">TEXT_12</td>
<td draggable="true">TEXT_13</td>
<td draggable="true">TEXT_14</td>
</tr>
<tr>
<td draggable="true">TEXT_20</td>
<td draggable="true">TEXT_21</td>
<td draggable="true">TEXT_22</td>
<td draggable="true">TEXT_23</td>
<td draggable="true">TEXT_24</td>
</tr>
<tr>
<td draggable="true">TEXT_30</td>
<td draggable="true">TEXT_31</td>
<td draggable="true">TEXT_32</td>
<td draggable="true">TEXT_33</td>
<td draggable="true">TEXT_34</td>
</tr>
<tr>
<td draggable="true">TEXT_40</td>
<td draggable="true">TEXT_41</td>
<td draggable="true">TEXT_42</td>
<td draggable="true">TEXT_43</td>
<td draggable="true">TEXT_44</td>
</tr>
</table>
</body>
</html>
感谢您的帮助!
PS:我不打算使用jQuery UI
答案 0 :(得分:1)
脚本在 dragend 事件中停止在
var data = e.dataTransfer.getData('text/html');
线。我尝试在它之前和之后发出一些警告,然后它才能正常工作,但之后却没有。
答案 1 :(得分:0)
我的猜测是你正在使用firefox浏览器。 MDN表示,基于壁虎的浏览器不会触发“直播”。如果节点被移动,则为event。请检查此链接: https://developer.mozilla.org/en-US/docs/Web/API/HTML_Drag_and_Drop_API/Drag_operations#dragend
我还检查了你问题中的jsFiddle链接,并更改了“拖动器”和#39;到了#dra;&#39;并尝试使用chrome,它有效。
我认为在&#39; drop&#39;中解决unbind问题。会做的不是把它绑定在&#39; dragend&#39;