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我正在嘗試編寫1個具有「p」標籤的應用程序,並且可以拖放1個「div」標籤作爲拖放區域。在拖放區域中拖動時替換元素
當我將「p」標籤拖放到拖放區域時,它們會追加到拖放區域。
我可以拖10「P」標籤多了,但我想,當我拖到新的「P」標籤,老的「P」標籤必須刪除或替換
請給我一些建議!非常感謝
這是我的代碼:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI Touch Punch - Mobile Device Touch Event Support for jQuery UI</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<link rel="stylesheet" href="css/jquery.mobile-1.1.1.min.css" />
<link href="css/jquery-ui.css" rel="stylesheet">
<link href="css/jquery-ui1.css" rel="stylesheet">
<style>body { background:#fff; font-family:"Helvetica Neue",Helvetica,Arial,sans-serif; }</style>
<script src="js/cordova-2.5.0.js"></script>
<script src="js/jquery-1.7.2.min.js"></script>
<script src="js/jquery.mobile-1.1.1.min.js"></script>
<script src="js/jquery-ui.min.js"></script>
<script src="js/jquery.ui.touch-punch.min.js"></script>
</head>
<body>
<div class="container">
<script>
$(function() {
var chu = ["aaa","bbb","ccc","ddd","eee","fff","ggg","hhh","jjj","kkk","lll","mmm"];
$("p").text(function(){
return chu[ Math.floor((Math.random()*chu.length)+0)];
});
var c = 0;
$('#dragSource p').draggable({
helper: function(){
var selected = $('#dragSource').parents('p');
if (selected.length === 0) {
selected = $(this);
}
var container = $('<div/>').attr('id', 'draggingContainer');
container.append(selected.clone());
return container;
}
});
$('#c').droppable({
tolerance: 'pointer',
drop: function(event, ui){
$(this).append(ui.helper.children());
c++;
while(c == 2) {
$(this).find('p').remove();
c = 0;
}
}
});
});
</script>
<div class="demo">
<div id="dragSource" class="droppableContainer">
<p></p>
<p></p>
<p></p>
<p></p>
</div>
<input id="canvasDraw" type="button" value="New Game"/>
<ul id="c" class="droppableContainer" style="display:inline;border:1px solid #d3d3d3;width: 150px; height: 150px;float:left;vertical-align: middle;">
</ul>
</div><!-- End demo -->
</div>
</body>
</html>
編輯:
我改變了下降的區域(從「UL」標籤進入「輸入」標籤),但它COBE不工作;請給我一些建議!我是新的,對網絡知之甚少!
這是我的變化:
<input id="c" class="droppableContainer" style="display:inline;border:1px solid #d3d3d3;width: 150px; height: 150px;float:left;vertical-align: middle;"/>
和
$('#c').droppable({
tolerance: 'pointer',
drop: function(event, ui){
$(this).disable();
$(this).find('p').remove();
$(this).append(ui.helper.children());
htmlOfDroppedElement = $(ui.draggable).html();
pElementToBeReplaced = $(this).find('p');
$(pElementToBeReplaced).html(htmlOfDroppedElement);
}
});
編輯2:
我已經做
htmlOfDroppedElement = $(ui.draggable).html();
$(this).val(htmlOfDroppedElement);
哪個p標記要刪除?從那些可拖拽的或者之前丟棄的那些? – mridula 2013-03-19 09:10:45
我想替換之前丟棄的那個,現在丟棄! – 2013-03-19 09:16:41