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jQuery( document ).ready( function( $ ) {

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var clickedElement;

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$(document).off( 'mousedown' ).on( 'mousedown', function( e ) {

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clickedElement = e.target;

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});

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$( '#nf_form_filter' ).off( 'focus' ).on( 'focus', function () {

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//show the dropdown on focus of the input

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$( '.nf-form-dropdown' ).show();

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});

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$( '#nf_form_filter' ).off( 'keyup' ).on( 'keyup', function () {

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//show the dropdown if it isn't show

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$( '.nf-form-dropdown' ).show();

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// get the value of the input, which we filter on

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var filter = $( this ).val();

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if( '' === filter ) {

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//if the filter val is empty, show all form options

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$( '.nf-form-dropdown' ).find( 'li' ).show();

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} else {

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$.each( $( '#nf_form_options span' ), function ( index, span ) {

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var tmpSpan = $( span );

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// test to see if span text contains the entered value

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if ( 0 <= tmpSpan.text().toLowerCase().indexOf( filter.toLowerCase() ) ) {

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// shows options that DO contain the text entered

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tmpSpan.parent().show();

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} else {

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// hides options the do not contain the text entered

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tmpSpan.parent().hide();

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}

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});

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}

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});

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$( '#nf_form_filter' ).off( 'blur' ).on( 'blur' , function( e ) {

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if( 'undefined' !== typeof clickedElement ) {

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if ( ! $( clickedElement ).hasClass( 'nf-form-option' ) ) {

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$( '#nf_form_filter' ).val( '' );

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$( '.nf-form-dropdown' ).hide();

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}

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}

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});

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$( '.nf-form-option' ).off( 'click' ).on( 'click', function() {

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// on click get the value of the input

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var val = $( this ).data( 'val' );

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// nf_export_form is now a hidden field instead of select element

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$( '#form_id' ).val( val );

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$( '#form_id' ).trigger( 'change' );

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// set the text of the input field

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$( '#nf_form_filter' ).val( '' );

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// and hide the option.

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$( '.nf-form-dropdown' ).hide();

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});

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});

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