Created
December 13, 2015 20:07
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jQuery ドラッグアンドドロップで「並び替え」と「入れ子関係変更」の両方ができるメニュー画面を作りたい ref: http://qiita.com/Implem/items/eb832fcfc3e99016bc15
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<nav> | |
<ul class="nav-sites sortable"> | |
<li class="nav-site" data-id="35" data-type="Sites"> | |
<a href="/items/35/index">folder 1</a> | |
</li> | |
<li class="nav-site" data-id="37" data-type="Sites"> | |
<a href="/items/37/index">folder 1-1</a> | |
</li> | |
<li class="nav-site" data-id="36" data-type="Sites"> | |
<a href="/items/36/index">folder 2</a> | |
</li> | |
</ul> | |
</nav> |
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var mouseX; | |
var mouseY; | |
// マウス移動時にマウスポインタのXY座標をメモリに保持 | |
$(window).mousemove(function (e) { | |
mouseX = e.pageX; | |
mouseY = e.pageY; | |
}); | |
// マウスポインタが重なっている要素を返却 | |
function getHoveredItem($elements) { | |
var $element; | |
$elements.each(function () { | |
if (isHover($(this))) { | |
$element = $(this); | |
return false; | |
} | |
}); | |
return $element; | |
} | |
// マウスポインタが重なっているか判定 | |
function isHover($element) { | |
var left = $element.offset().left; | |
var top = $element.offset().top; | |
var right = left + $element.outerWidth(); | |
var bottom = top + $element.outerHeight(); | |
if (mouseX >= left && | |
mouseX <= right && | |
mouseY >= top && | |
mouseY <= bottom) { | |
return true; | |
} else { | |
return false | |
} | |
} |
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