[英]How can I change the color of texts when they are moved to another div
我希望通過在放置字段中更改其顏色來使可拖動元素更具交互性。 但我還沒有想出如何用當前的代碼來做到這一點。
這是我的 HTML:
<!-- Begin draggable area -->
<div class="draggable">
<div class="row">
<div class="col-md-12">
<h2 class="window-title">Spectra</h2>
</div>
</div>
<div class="row">
<div class="draggable-spectra"> <!--draggable element-->
<h3>Menu</h3>
<p class= "element">dasdsa</p>
</div>
<div class="draggable-spectra"><h3>Content</h3></div> <!--draggable element-->
</div>
</div>
<!-- End draggable -->
<!-- Begin Drop Area -->
<div class="droppable-spectra">
<h2 id="drop">Drop-box</h2>
</div>
<!-- end Drop Area -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
<script src="assets/js/drag.js"></script> <!--js file where I have the code below-->
這是我的 JS 代碼(感謝 aSeptik):
$(function() {
$(".draggable-spectra").draggable({
revert : function(event, ui) {
// on older version of jQuery use "draggable"
// $(this).data("draggable")
// on 2.x versions of jQuery use "ui-draggable"
// $(this).data("ui-draggable")
$(this).data("uiDraggable").originalPosition = {
top : 0,
left : 0
};
// if (event === false){
// $(".element").data("color","blue")
// };
// return boolean
return !event;
// that evaluate like this:
// return event !== false ? false : true;
}
});
$(".droppable-spectra").droppable();});
現在它是這樣工作的(它是來自 aSeptik 的一個例子): http ://so.devilmaycode.it/revert-a-jquery-draggable-object-back-to-its-original-container-on-out-event- 的-d/
但是當它被放置在可放置的框中時,我怎么能改變可拖動框中的文本顏色呢? 我試過 .data() 但它沒有用。 任何建議將不勝感激。 謝謝!
$('#element').droppable({
drop: callback,
greedy: true
});
我認為你需要實現這樣的東西。
您可以使用 droppable 小部件的drop
事件回調,如下所示:
$(".draggable-spectra").draggable(); $(".droppable-spectra").droppable({ drop: function(e, ui) { ui.draggable.css('color', 'blue'); } });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script> <!-- Begin draggable area --> <div class="draggable"> <div class="row"> <div class="col-md-12"> <h2 class="window-title">Spectra</h2> </div> </div> <div class="row"> <div class="draggable-spectra"> <!--draggable element--> <h3>Menu</h3> <p class="element">dasdsa</p> </div> <div class="draggable-spectra"> <h3>Content</h3> </div> <!--draggable element--> </div> </div> <!-- End draggable --> <!-- Begin Drop Area --> <div class="droppable-spectra"> <h2 id="drop">Drop-box</h2> </div> <!-- end Drop Area -->
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