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<!DOCTYPE html>
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< html lang = "en" >
< head >
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< meta charset = "utf-8" >
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< title > jQuery UI Draggable - Handles< / title >
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< link rel = "stylesheet" href = "../../themes/base/jquery.ui.all.css" >
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< script src = "../../jquery-1.7.1.js" > < / script >
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< script src = "../../ui/jquery.ui.core.js" > < / script >
< script src = "../../ui/jquery.ui.widget.js" > < / script >
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< script src = "../../ui/jquery.ui.interaction.js" > < / script >
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< script src = "../../ui/jquery.ui.draggable.js" > < / script >
< link rel = "stylesheet" href = "../demos.css" >
< style >
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#draggable, #draggable2 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 0 10px 10px 0; }
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#draggable p { cursor: move; }
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< / style >
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< script >
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$.widget( "ui.draggable", $.ui.draggable, {
options: {
cancel: null
},
_isValidTarget: function( element ) {
var valid = this._super( element );
if ( valid & & this.options.cancel ) {
valid = !element.is( this.options.cancel );
}
return valid;
}
});
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$(function() {
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$( "#draggable" ).draggable({ handle: "p" });
$( "#draggable2" ).draggable({ cancel: "p.ui-widget-header" });
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});
< / script >
< / head >
< body >
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< div class = "demo" >
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< div id = "draggable" class = "ui-widget-content" >
< p class = "ui-widget-header" > I can be dragged only by this handle< / p >
< / div >
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< div id = "draggable2" class = "ui-widget-content" >
< p > You can drag me around… < / p >
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< p class = "ui-widget-header" > … but you can't drag me by this element.< / p >
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< / div >
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< / div > <!-- End demo -->
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< div class = "demo-description" >
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< p > Allow dragging only when the cursor is over a specific part of the draggable. Use the < code > handle< / code > option to specify the jQuery selector of an element (or group of elements) used to drag the object.< / p >
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< p > Or prevent dragging when the cursor is over a specific element (or group of elements) within the draggable. Use the < code > cancel< / code > option to specify a jQuery selector over which to "cancel" draggable functionality.< / p >
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< / div > <!-- End demo - description -->
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< / body >
< / html >
