237 lines
7.0 KiB
Plaintext
237 lines
7.0 KiB
Plaintext
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/*!
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* LABELAUTY jQuery Plugin
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*
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* @file: jquery-labelauty.js
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* @author: Francisco Neves (@fntneves)
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* @site: www.francisconeves.com
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* @license: MIT License
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*/
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(function( $ ){
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$.fn.labelauty = function( options )
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{
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/*
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* Our default settings
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* Hope you don't need to change anything, with these settings
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*/
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var settings = $.extend(
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{
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// Development Mode
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// This will activate console debug messages
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development: false,
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// Trigger Class
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// This class will be used to apply styles
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class: "labelauty",
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// Use text label ?
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// If false, then only an icon represents the input
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label: true,
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// Separator between labels' messages
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// If you use this separator for anything, choose a new one
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separator: "|",
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// Default Checked Message
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// This message will be visible when input is checked
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checked_label: "Checked",
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// Default UnChecked Message
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// This message will be visible when input is unchecked
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unchecked_label: "Unchecked",
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// Minimum Label Width
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// This value will be used to apply a minimum width to the text labels
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minimum_width: false,
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// Use the greatest width between two text labels ?
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// If this has a true value, then label width will be the greatest between labels
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same_width: true
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}, options);
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/*
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* Let's create the core function
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* It will try to cover all settings and mistakes of using
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*/
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return this.each(function()
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{
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var $object = $( this );
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var use_labels = true;
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var labels;
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var labels_object;
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var input_id;
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// Test if object is a check input
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// Don't mess me up, come on
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if( ($object.is( ":checkbox" ) === false && $object.is( ":radio" ) === false) || $object.hasClass("superRadioAndCheckBox")===false )
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return this;
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// Add "labelauty" class to all checkboxes
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// So you can apply some custom styles
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$object.addClass( settings.class );
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// Get the value of "data-labelauty" attribute
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// Then, we have the labels for each case (or not, as we will see)
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labels = $object.attr( "data-labelauty" );
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use_labels = settings.label;
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// It's time to check if it's going to the right way
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// Null values, more labels than expected or no labels will be handled here
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if( use_labels === true )
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{
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if( labels == null || labels.length === 0 )
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{
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// If attribute has no label and we want to use, then use the default labels
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labels_object = new Array();
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labels_object[0] = settings.unchecked_label;
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labels_object[1] = settings.checked_label;
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}
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else
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{
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// Ok, ok, it's time to split Checked and Unchecked labels
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// We split, by the "settings.separator" option
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labels_object = labels.split( settings.separator );
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// Now, let's check if exist _only_ two labels
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// If there's more than two, then we do not use labels :(
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// Else, do some additional tests
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if( labels_object.length > 2 )
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{
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use_labels = false;
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debug( settings.development, "There's more than two labels. LABELAUTY will not use labels." );
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}
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else
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{
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// If there's just one label (no split by "settings.separator"), it will be used for both cases
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// Here, we have the possibility of use the same label for both cases
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if( labels_object.length === 1 )
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debug( settings.development, "There's just one label. LABELAUTY will use this one for both cases." );
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}
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}
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}
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/*
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* Let's begin the beauty
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*/
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// Start hiding ugly checkboxes
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// Obviously, we don't need native checkboxes :O
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$object.css({ display : "none" });
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// We don't need more data-labelauty attributes!
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// Ok, ok, it's just for beauty improvement
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$object.removeAttr( "data-labelauty" );
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// Now, grab checkbox ID Attribute for "label" tag use
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// If there's no ID Attribute, then generate a new one
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input_id = $object.attr( "id" );
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if( input_id == null )
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{
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var input_id_number = 1 + Math.floor( Math.random() * 1024000 );
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input_id = "labelauty-" + input_id_number;
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// Is there any element with this random ID ?
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// If exists, then increment until get an unused ID
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while( $( input_id ).length !== 0 )
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{
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input_id_number++;
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input_id = "labelauty-" + input_id_number;
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debug( settings.development, "Holy crap, between 1024 thousand numbers, one raised a conflict. Trying again." );
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}
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$object.attr( "id", input_id );
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}
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// Now, add necessary tags to make this work
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// Here, we're going to test some control variables and act properly
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$object.after( create( input_id, labels_object, use_labels ) );
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// Now, add "min-width" to label
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// Let's say the truth, a fixed width is more beautiful than a variable width
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if( settings.minimum_width !== false )
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$object.next( "label[for=" + input_id + "]" ).css({ "min-width": settings.minimum_width });
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// Now, add "min-width" to label
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// Let's say the truth, a fixed width is more beautiful than a variable width
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if( settings.same_width != false && settings.label == true )
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{
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var label_object = $object.next( "label[for=" + input_id + "]" );
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var unchecked_width = getRealWidth(label_object.find( "span.labelauty-unchecked" ));
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var checked_width = getRealWidth(label_object.find( "span.labelauty-checked" ));
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if( unchecked_width > checked_width )
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label_object.find( "span.labelauty-checked" ).width( unchecked_width );
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else
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label_object.find( "span.labelauty-unchecked" ).width( checked_width );
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}
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});
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};
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/*
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* Tricky code to work with hidden elements, like tabs.
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* Note: This code is based on jquery.actual plugin.
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* https://github.com/dreamerslab/jquery.actual
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*/
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function getRealWidth( element )
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{
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var width = 0;
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var $target = element;
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var style = 'position: absolute !important; top: -1000 !important; ';
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$target = $target.clone().attr('style', style).appendTo('body');
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width = $target.width(true);
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$target.remove();
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return width;
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}
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function debug( debug, message )
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{
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if( debug && window.console && window.console.log )
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window.console.log( "jQuery-LABELAUTY: " + message );
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};
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function create( input_id, messages_object, label )
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{
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var block;
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var unchecked_message;
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var checked_message;
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if( messages_object == null )
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unchecked_message = checked_message = "";
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else
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{
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unchecked_message = messages_object[0];
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// If checked message is null, then put the same text of unchecked message
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if( messages_object[1] == null )
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checked_message = unchecked_message;
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else
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checked_message = messages_object[1];
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}
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if( label == true )
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{
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block = '<label for="' + input_id + '">' +
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'<span class="labelauty-unchecked-image"></span>' +
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'<span class="labelauty-unchecked">' + unchecked_message + '</span>' +
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'<span class="labelauty-checked-image"></span>' +
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'<span class="labelauty-checked">' + checked_message + '</span>' +
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'</label>';
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}
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else
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{
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block = '<label for="' + input_id + '">' +
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'<span class="labelauty-unchecked-image"></span>' +
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'<span class="labelauty-checked-image"></span>' +
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'</label>';
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}
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return block;
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};
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}( jQuery ));
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