[英]List Items drag and drop using jquery
我有一個嵌套的列表項,並希望實現拖放功能。
場景:
的HTML
<ul id="sortable1" class="connectedSortable">
<li class="ui-state-default">Item 1</li>
<li class="folder"> Empty Folder
<ul id="sortable1" class="connectedSortable">
</ul>
</li>
<li class="ui-state-default">Item 2</li>
<li class="ui-state-default">Item 3</li>
<li class="folder"> Folder 1
<ul id="sortable2" class="connectedSortable">
<li class="ui-state-default">Item 4</li>
<li class="ui-state-default">Item 5</li>
</ul>
</li>
<li class="ui-state-default">Item 7</li>
<li class="ui-state-default">Item 8</li>
<li class="folder"> Folder 2
<ul id="sortable2" class="connectedSortable">
<li class="ui-state-highlight">Item 1</li>
<li class="ui-state-highlight">Item 2</li>
<li class="ui-state-highlight">Item 3</li>
<li class="ui-state-highlight">Item 4</li>
<li class="ui-state-highlight">Item 5</li>
</ul>
</li>
</ul>
JS / jQuery
$(function() {
$( ".connectedSortable" ).sortable({
connectWith: ".connectedSortable"
}).disableSelection();
});
我也希望能夠將項目移入“ 空”文件夾 ,限制文件夾移動,限制排序項目,僅當項目移出文件夾或移入文件夾時才移動。 在成功移動后調用一個函數,在這里我可以讀取項目ID和文件夾ID並執行一些邏輯。
要使用拖放樹視圖,最好使用nestedSortable ,這非常簡單。 這是一個如何使用它的示例
<ol class="sortable">
<li id="list_1"><div><span class="disclose"><span></span></span>Item 1</div>
<ol>
<li id="list_2"><div><span class="disclose"><span></span></span>Sub Item 1.1</div>
<ol>
<li id="list_3"><div><span class="disclose"><span></span></span>Sub Item 1.2</div>
</ol>
</ol>
<li id="list_4"><div><span class="disclose"><span></span></span>Item 2</div>
<li id="list_5"><div><span class="disclose"><span></span></span>Item 3</div>
<ol>
<li id="list_6" class="mjs-nestedSortable-no-nesting"><div><span class="disclose"><span></span></span>Sub Item 3.1 (no nesting)</div>
<li id="list_7"><div><span class="disclose"><span></span></span>Sub Item 3.2</div>
<ol>
<li id="list_8"><div><span class="disclose"><span></span></span>Sub Item 3.2.1</div>
</ol>
</ol>
<li id="list_9"><div><span class="disclose"><span></span></span>Item 4</div>
<li id="list_10"><div><span class="disclose"><span></span></span>Item 5</div>
</ol>
和JavaScript
$(document).ready(function(){
$('ol.sortable').nestedSortable({
forcePlaceholderSize: true,
handle: 'div',
helper: 'clone',
items: 'li',
opacity: .6,
placeholder: 'placeholder',
revert: 250,
tabSize: 25,
tolerance: 'pointer',
toleranceElement: '> div',
maxLevels: 3,
isTree: true,
expandOnHover: 700,
startCollapsed: true,
start: function(e, ui) {
//some code
},
receive: function(e, ui) {
//some code
},
stop: function(e, ui) {
//code of Serialize
//this happend when the move complete
var treeSerialize = jQuery('ol.sortable').nestedSortable('updatecategories', {startDepthCount: 0});
console.log(treeSerialize);
}
});
});
演示 ,非常好,非常好,可以在多個應用程序中使用它,用於菜單,類別和其他嵌套內容
這就是我最終完成它的方式。 小提琴演示
Java腳本
$(function() {
// $( "ul[id^='sortable']" ).sortable({
// connectWith: ".connectedSortable"
// }).disableSelection();
$( "li.product" ).draggable({
appendTo: "body",
helper: "clone"
});
$( ".folder" ).droppable({
activeClass: "ui-state-default",
hoverClass: "ui-state-hover",
accept: ":not(.ui-sortable-helper)",
drop: function( event, ui ) {
//$( this ).find( ".placeholder" ).remove();
//$( "<li></li>" ).text( ui.draggable.text() ).appendTo( this );
alert("Dragging Product Id is "+$(ui.draggable).attr("id") + "Dropping Folder Id is "+ $(event.target).attr("id"));
}
})
});
標記
<ul id="sortablex"><li class="folder">
<ul>
<li id="1" class="ui-state-default product">Product 1</li>
</ul>
</li>
<li id="1" class="folder"> Empty category
<ul id="sortable1" class="connectedSortable">
</ul>
</li>
<li id="1" class="ui-state-default product">Product 2</li>
<li id="1" class="ui-state-default product">Product 3</li>
<li id="f1" class="folder"> Category 1
<ul id="sortable2" class="connectedSortable">
<li id="1" class="ui-state-default product">Product 4</li>
<li id="1" class="ui-state-default product">Product 5</li>
</ul>
</li>
<li id="1" class="ui-state-default product">Product 7</li>
<li id="1" class="ui-state-default product">Product 8</li>
<li id="1" class="folder"> Category 2
<ul id="sortable2" class="connectedSortable">
<li id="1" class="ui-state-highlight product">Product 1</li>
<li id="1" class="ui-state-highlight product">Product 2</li>
<li id="1" class="ui-state-highlight product">Product 3</li>
<li id="1" class="ui-state-highlight product">Product 4</li>
<li id="1" class="ui-state-highlight product">Product 5</li>
</ul>
</li>
</ul>
的CSS
folder{
color:#c30;
font-weight:bold;
}
.folder ul{
color:#000;
font-weight:normal;
}
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