JavaScript DHTML/jQuery/UI Droppable
Содержание
- 1 Drag and drop events: activate, deactivate, drop, out, over
- 2 Droppable accepted function
- 3 Droppable object
- 4 Drop to different objects and get their id
- 5 Get relative and absolute position of the dropped object
- 6 jQuery UI Droppable - Accept Demo
- 7 jQuery UI Droppable - Prevent propagation
- 8 jQuery UI Droppable - Revert draggable position
- 9 jQuery UI Droppable - Simple photo manager
- 10 jQuery UI Droppable - Visual feedback
- 11 Mark accepted object
- 12 Mark active class
Drag and drop events: activate, deactivate, drop, out, over
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
$("#drag").draggable();
var dropOpts = {
accept: "#drag",
activate: eventCallback,
deactivate: eventCallback,
drop: eventCallback,
out: eventCallback,
over: eventCallback
};
var eventMessages = {
dropactivate: "A draggable is active",
dropdeactivate: "A draggable is no longer active",
drop: "An accepted draggable was dropped on the droppable",
dropout: "An accepted draggable has been moved out of the droppable",
dropover: "An accepted draggable is over the droppable"
};
function eventCallback(e) {
var message = $("<p>").attr("id", "message").text(eventMessages[e.type]);
$("#status").empty().append(message);
}
$("#target").droppable(dropOpts);
});
</script>
</head>
<body>
<div id="drag">drag</div>
<div id="target">target</div>
<div id="status">status</div>
</body>
</html>
Droppable accepted function
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
$(".drag").draggable();
var dropOpts = {
accept: dragEnrol,
activeClass: "activated"
};
function dragEnrol(el) {
return (el.attr("id") == "drop1") ? true : false;
}
$("#target").droppable(dropOpts);
});
</script>
</head>
<body>
<div class="drag" id="drop1">drop1</div>
<div class="drag" id="drop2">drop2</div>
<div id="target">target</div>
</body>
</html>
Droppable object
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
$("#drag").draggable();
$("#target").droppable();
});
</script>
</head>
<body>
<div id="drag">drag</div>
<div id="target">target</div>
</body>
</html>
Drop to different objects and get their id
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
$("#drag").draggable();
var dropOpts = {
accept:"#drag",
drop:dropCallback,
greedy:true
};
function dropCallback(e) {
alert("The firing droppable was " + e.target.id);
}
$(".target").droppable(dropOpts);
});
</script>
</head>
<body>
<div id="drag">drag</div>
<div class="target" id="outer">outer target
<div class="target" id="inner">inner target</div>
</div>
</body>
</html>
Get relative and absolute position of the dropped object
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
var dragOpts = {
helper: "clone",
stop: getNewPos
};
function getNewPos(e, ui) {
e.stopPropagation();
alert(ui.position.top + "px from the top, " + ui.position.left + "px to the left of the original object.");
alert(ui.absolutePosition.top + "px from the top, and " + ui.absolutePosition.left + "px to the left relative to the page.");
}
$("#drag").draggable(dragOpts);
});
</script>
</head>
<body>
<div id="container">
<div id="drag">asdf</div>
</div>
</body>
</html>
jQuery UI Droppable - Accept Demo
<!--
jQuery UI Effects Blind 1.7.2
Copyright (c) 2009 AUTHORS.txt (http://jqueryui.ru/about)
Dual licensed under the MIT (MIT-LICENSE.txt)
and GPL (GPL-LICENSE.txt) licenses.
-->
<!doctype html>
<html lang="en">
<head>
<title>jQuery UI Droppable - Accept Demo</title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<style type="text/css">
#droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
#draggable, #draggable-nonvalid { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
</style>
<script type="text/javascript">
$(function() {
$("#draggable, #draggable-nonvalid").draggable();
$("#droppable").droppable({
accept: "#draggable",
activeClass: "ui-state-hover",
hoverClass: "ui-state-active",
drop: function(event, ui) {
$(this).addClass("ui-state-highlight").find("p").html("Dropped!");
}
});
});
</script>
</head>
<body>
<div class="demo">
<div id="draggable-nonvalid" class="ui-widget-content">
<p>I"m draggable but can"t be dropped</p>
</div>
<div id="draggable" class="ui-widget-content">
<p>Drag me to my target</p>
</div>
<div id="droppable" class="ui-widget-header">
<p>accept: "#draggable"</p>
</div>
</div><!-- End demo -->
<div class="demo-description">
<p>Specify using the <code>accept</code> option which element (or group of elements) is accepted by the target droppable.</p>
</div><!-- End demo-description -->
</body>
</html>
jQuery UI Droppable - Prevent propagation
<!--
jQuery UI Effects Blind 1.7.2
Copyright (c) 2009 AUTHORS.txt (http://jqueryui.ru/about)
Dual licensed under the MIT (MIT-LICENSE.txt)
and GPL (GPL-LICENSE.txt) licenses.
-->
<!doctype html>
<html lang="en">
<head>
<title>jQuery UI Droppable - Prevent propagation</title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<style type="text/css">
#draggable { width: 100px; height: 40px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
#droppable, #droppable2 { width: 230px; height: 120px; padding: 0.5em; float: left; margin: 10px; }
#droppable-inner, #droppable2-inner { width: 170px; height: 60px; padding: 0.5em; float: left; margin: 10px; }
</style>
<script type="text/javascript">
$(function() {
$("#draggable").draggable();
$("#droppable, #droppable-inner").droppable({
activeClass: "ui-state-hover",
hoverClass: "ui-state-active",
drop: function(event, ui) {
$(this).addClass("ui-state-highlight").find("> p").html("Dropped!");
return false;
}
});
$("#droppable2, #droppable2-inner").droppable({
greedy: true,
activeClass: "ui-state-hover",
hoverClass: "ui-state-active",
drop: function(event, ui) {
$(this).addClass("ui-state-highlight").find("> p").html("Dropped!");
}
});
});
</script>
</head>
<body>
<div class="demo">
<div id="draggable" class="ui-widget-content">
<p>Drag me to my target</p>
</div>
<div id="droppable" class="ui-widget-header">
<p>Outer droppable</p>
<div id="droppable-inner" class="ui-widget-header">
<p>Inner droppable (not greedy)</p>
</div>
</div>
<div id="droppable2" class="ui-widget-header">
<p>Outer droppable</p>
<div id="droppable2-inner" class="ui-widget-header">
<p>Inner droppable (greedy)</p>
</div>
</div>
</div><!-- End demo -->
<div class="demo-description">
<p>When working with nested droppables — for example, you may have an editable directory structure displayed as a tree, with folder and document nodes — the <code>greedy</code> option set to true prevents event propagation when a draggable is dropped on a child node (droppable).</p>
</div><!-- End demo-description -->
</body>
</html>
jQuery UI Droppable - Revert draggable position
<!--
jQuery UI Effects Blind 1.7.2
Copyright (c) 2009 AUTHORS.txt (http://jqueryui.ru/about)
Dual licensed under the MIT (MIT-LICENSE.txt)
and GPL (GPL-LICENSE.txt) licenses.
-->
<!doctype html>
<html lang="en">
<head>
<title>jQuery UI Droppable - Revert draggable position</title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<style type="text/css">
#draggable, #draggable2 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
#droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
</style>
<script type="text/javascript">
$(function() {
$("#draggable").draggable({ revert: "valid" });
$("#draggable2").draggable({ revert: "invalid" });
$("#droppable").droppable({
activeClass: "ui-state-hover",
hoverClass: "ui-state-active",
drop: function(event, ui) {
$(this).addClass("ui-state-highlight").find("p").html("Dropped!");
}
});
});
</script>
</head>
<body>
<div class="demo">
<div id="draggable" class="ui-widget-content">
<p>I revert when I"m dropped</p>
</div>
<div id="draggable2" class="ui-widget-content">
<p>I revert when I"m not dropped</p>
</div>
<div id="droppable" class="ui-widget-header">
<p>Drop me here</p>
</div>
</div><!-- End demo -->
<div class="demo-description">
<p>Return the draggable (or it"s helper) to its original location when dragging stops with the boolean <code>revert</code> option set on the draggable.</p>
</div><!-- End demo-description -->
</body>
</html>
jQuery UI Droppable - Simple photo manager
<!--
jQuery UI Effects Blind 1.7.2
Copyright (c) 2009 AUTHORS.txt (http://jqueryui.ru/about)
Dual licensed under the MIT (MIT-LICENSE.txt)
and GPL (GPL-LICENSE.txt) licenses.
-->
<!doctype html>
<html lang="en">
<head>
<title>jQuery UI Droppable - Simple photo manager</title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<script type="text/javascript" src="js/ui/ui.resizable.js"></script>
<script type="text/javascript" src="js/ui/ui.dialog.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<style type="text/css">
#gallery { float: left; width: 65%; min-height: 12em; } * html #gallery { height: 12em; } /* IE6 */
.gallery.custom-state-active { background: #eee; }
.gallery li { float: left; width: 96px; padding: 0.4em; margin: 0 0.4em 0.4em 0; text-align: center; }
.gallery li h5 { margin: 0 0 0.4em; cursor: move; }
.gallery li a { float: right; }
.gallery li a.ui-icon-zoomin { float: left; }
.gallery li img { width: 100%; cursor: move; }
#trash { float: right; width: 32%; min-height: 18em; padding: 1%;} * html #trash { height: 18em; } /* IE6 */
#trash h4 { line-height: 16px; margin: 0 0 0.4em; }
#trash h4 .ui-icon { float: left; }
#trash .gallery h5 { display: none; }
</style>
<script type="text/javascript">
$(function() {
// there"s the gallery and the trash
var $gallery = $("#gallery"), $trash = $("#trash");
// let the gallery items be draggable
$("li",$gallery).draggable({
cancel: "a.ui-icon",// clicking an icon won"t initiate dragging
revert: "invalid", // when not dropped, the item will revert back to its initial position
containment: $("#demo-frame").length ? "#demo-frame" : "document", // stick to demo-frame if present
helper: "clone",
cursor: "move"
});
// let the trash be droppable, accepting the gallery items
$trash.droppable({
accept: "#gallery > li",
activeClass: "ui-state-highlight",
drop: function(ev, ui) {
deleteImage(ui.draggable);
}
});
// let the gallery be droppable as well, accepting items from the trash
$gallery.droppable({
accept: "#trash li",
activeClass: "custom-state-active",
drop: function(ev, ui) {
recycleImage(ui.draggable);
}
});
// image deletion function
var recycle_icon = "<a href="link/to/recycle/script/when/we/have/js/off" title="Recycle this image" class="ui-icon ui-icon-refresh">Recycle image</a>";
function deleteImage($item) {
$item.fadeOut(function() {
var $list = $("ul",$trash).length ? $("ul",$trash) : $("<ul class="gallery ui-helper-reset"/>").appendTo($trash);
$item.find("a.ui-icon-trash").remove();
$item.append(recycle_icon).appendTo($list).fadeIn(function() {
$item.animate({ width: "48px" }).find("img").animate({ height: "36px" });
});
});
}
// image recycle function
var trash_icon = "<a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a>";
function recycleImage($item) {
$item.fadeOut(function() {
$item.find("a.ui-icon-refresh").remove();
$item.css("width","96px").append(trash_icon).find("img").css("height","72px").end().appendTo($gallery).fadeIn();
});
}
// image preview function, demonstrating the ui.dialog used as a modal window
function viewLargerImage($link) {
var src = $link.attr("href");
var title = $link.siblings("img").attr("alt");
var $modal = $("img[src$=""+src+""]");
if ($modal.length) {
$modal.dialog("open")
} else {
var img = $("<img alt=""+title+"" width="384" height="288" style="display:none;padding: 8px;" />")
.attr("src",src).appendTo("body");
setTimeout(function() {
img.dialog({
title: title,
width: 400,
modal: true
});
}, 1);
}
}
// resolve the icons behavior with event delegation
$("ul.gallery > li").click(function(ev) {
var $item = $(this);
var $target = $(ev.target);
if ($target.is("a.ui-icon-trash")) {
deleteImage($item);
} else if ($target.is("a.ui-icon-zoomin")) {
viewLargerImage($target);
} else if ($target.is("a.ui-icon-refresh")) {
recycleImage($item);
}
return false;
});
});
</script>
</head>
<body>
<div class="demo ui-widget ui-helper-clearfix">
<ul id="gallery" class="gallery ui-helper-reset ui-helper-clearfix">
<li class="ui-widget-content ui-corner-tr">
<h5 class="ui-widget-header">High Tatras</h5>
<img src="images/high_tatras_min.jpg" alt="The peaks of High Tatras" width="96" height="72" />
<a href="images/high_tatras.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
<a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a>
</li>
<li class="ui-widget-content ui-corner-tr">
<h5 class="ui-widget-header">High Tatras 2</h5>
<img src="images/high_tatras2_min.jpg" alt="The chalet at the Green mountain lake" width="96" height="72" />
<a href="images/high_tatras2.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
<a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a>
</li>
<li class="ui-widget-content ui-corner-tr">
<h5 class="ui-widget-header">High Tatras 3</h5>
<img src="images/high_tatras3_min.jpg" alt="Planning the ascent" width="96" height="72" />
<a href="images/high_tatras3.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
<a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a>
</li>
<li class="ui-widget-content ui-corner-tr">
<h5 class="ui-widget-header">High Tatras 4</h5>
<img src="images/high_tatras4_min.jpg" alt="On top of Kozi kopka" width="96" height="72" />
<a href="images/high_tatras4.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
<a href="link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete image</a>
</li>
</ul>
<div id="trash" class="ui-widget-content ui-state-default">
<h4 class="ui-widget-header"><span class="ui-icon ui-icon-trash">Trash</span> Trash</h4>
</div>
</div><!-- End demo -->
<div class="demo-description">
<p>You can delete an image either by dragging it to the Trash or by clicking the trash icon.</p>
<p>You can "recycle" an image by dragging it back to the gallery or by clicking the recycle icon.</p>
<p>You can view larger image by clicking the zoom icon. jQuery UI dialog widget is used for the modal window.</p>
</div><!-- End demo-description -->
</body>
</html>
jQuery UI Droppable - Visual feedback
<!--
jQuery UI Effects Blind 1.7.2
Copyright (c) 2009 AUTHORS.txt (http://jqueryui.ru/about)
Dual licensed under the MIT (MIT-LICENSE.txt)
and GPL (GPL-LICENSE.txt) licenses.
-->
<!doctype html>
<html lang="en">
<head>
<title>jQuery UI Droppable - Visual feedback</title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<style type="text/css">
#draggable, #draggable2 { width: 90px; height: 90px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
#droppable, #droppable2 { width: 120px; height: 120px; padding: 0.5em; float: left; margin: 10px; }
</style>
<script type="text/javascript">
$(function() {
$("#draggable").draggable();
$("#droppable").droppable({
hoverClass: "ui-state-active",
drop: function(event, ui) {
$(this).addClass("ui-state-highlight").find("p").html("Dropped!");
}
});
$("#draggable2").draggable();
$("#droppable2").droppable({
accept: "#draggable2",
activeClass: "ui-state-hover",
drop: function(event, ui) {
$(this).addClass("ui-state-highlight").find("p").html("Dropped!");
}
});
});
</script>
</head>
<body>
<div class="demo">
<h3 class="docs">Feedback on hover:</h3>
<div id="draggable" class="ui-widget-content">
<p>Drag me to my target</p>
</div>
<div id="droppable" class="ui-widget-header">
<p>Drop here</p>
</div>
<h3 class="docs">Feedback on activating draggable:</h3>
<div id="draggable2" class="ui-widget-content">
<p>Drag me to my target</p>
</div>
<div id="droppable2" class="ui-widget-header">
<p>Drop here</p>
</div>
<!-- add active class demo -->
</div><!-- End demo -->
<div class="demo-description">
<p>Change the droppable"s appearance on hover, or when the droppable is active (an acceptable draggable is dropped on it). Use the <code>hoverClass</code> or <code>activeClass</code> options to specify respective classes.</p>
</div><!-- End demo-description -->
</body>
</html>
Mark accepted object
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
$(".drag").draggable();
var dropOpts = {
accept: "#drop1",
activeClass: "activated"
};
$("#target").droppable(dropOpts);
});
</script>
</head>
<body>
<div class="drag" id="drop1">drop1</div>
<div class="drag" id="drop2">drop2</div>
<div id="target">target</div>
</body>
</html>
Mark active class
<html lang="en">
<head>
<title></title>
<link type="text/css" href="js/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript" src="js/ui/ui.core.js"></script>
<script type="text/javascript" src="js/ui/ui.draggable.js"></script>
<script type="text/javascript" src="js/ui/ui.droppable.js"></script>
<link type="text/css" href="js/demos.css" rel="stylesheet" />
<script type="text/javascript">
$(function() {
$(".drag").draggable();
var dropOpts = {
accept: "#drop1",
activeClass: "activated"
};
$("#target").droppable(dropOpts);
});
</script>
</head>
<body>
<div class="drag" id="drop1">drop1</div>
<div class="drag" id="drop2">drop2</div>
<div id="target">target</div>
</body>
</html>