无需重新考虑拖放处理克隆而不是移动,您可以这样做。
首先不要对多个元素使用多次相同的id,而是使用一个类或一个数据属性;以下示例使用名为section
.
在 drop 函数中检查是否有其他元素已经在同一部分中删除;当你放下一个项目时,你会添加一个类correct
,这样你就可以获得数字并增加顶部的位置。
var addTop=$( "div .correct[section='"+slotNumber+"']").length*70;
ui.draggable.addClass('correct');
ui.draggable.draggable('disable');
ui.draggable.position({
of: $(this),
my: 'left top+'+addTop,
at: 'left top'
});
代码:
$(document).ready(function () {
var correctCards = 0;
$(init);
function init() {
// Hide the success message
$("#next_area_full").hide();
// Reset the game
correctCards = 0;
$('#dragPile').html('');
$('#dragSlots').html('');
// Create the pile of shuffled cards
var numbers = [1, 2, 3, 4, 5, 6, 7, 8];
var sections = [1, 1, 1, 2, 2, 2, 3, 3];
var percent = ['Use one measure of soap',
'Rinse thoroughly (fingers/thumbs/wrists)',
'Wet hands before applying soap',
'Use correct amount of product',
'Ensure thorough wetness',
'Rub in quickly and vigorously',
'Use hand cream',
'Wear gloves for cleaning equipment'];
for (var i = 0; i < 8; i++) {
$('<div>' + percent[i] + '</div>').data('number', numbers[i]).attr('section', 'section' + sections[i]).appendTo('#dragPile').draggable({
containment: '#content',
stack: '#dragPile div',
cursor: 'move',
revert: true
});
}
// Create the drag slots
var dsections = [1, 2, 3];
var words = ['Drag here'];
for (var i = 0; i <= 2; i++) {
$('<div>' + words + '</div>').data('number', i).attr('section', 'section' + dsections[i]).appendTo('#dragSlots').droppable({
accept: '#dragPile div',
hoverClass: 'hovered',
drop: handleCardDrop
});
}
}
function handleCardDrop(event, ui) {
var slotNumber = $(this).attr('section');
var cardNumber = ui.draggable.attr('section');
// If the card was dropped to the correct slot,
// change the card colour, position it directly
// on top of the slot, and prevent it being dragged
// again
if (slotNumber == cardNumber) {
var addTop=$( "div .correct[section='"+slotNumber+"']").length*70;
ui.draggable.addClass('correct');
ui.draggable.draggable('disable');
ui.draggable.position({
of: $(this),
my: 'left top+'+addTop,
at: 'left top'
});
ui.draggable.draggable('option', 'revert', false);
correctCards++;
}
// If all the cards have been placed correctly then display a message
// and reset the cards for another go
if (correctCards == 5) {
$("#next_area_full").fadeIn('slow');
}
}
})
演示:http: //jsfiddle.net/IrvinDominin/eDnnB/