mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-27 20:26:46 +00:00
442a8358ea
Detecting page status in a similar way as WikiEditor inspector. Disabled accept button now behaves appropriately. Accept button status is now evaluated on enter or submit. Change-Id: Ibfef6ffd87cb9a71e37242d6214d0f8e3af2e2c0
328 lines
8.1 KiB
JavaScript
328 lines
8.1 KiB
JavaScript
/*
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* jQuery multiSuggeset Plugin v.01
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*
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* Copyright 2012, Rob Moen
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* http://sane.ly
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* This document is licensed as free software under the terms of the
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* MIT License: http://www.opensource.org/licenses/mit-license.php
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*
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* Example:
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*
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// Input element.
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var $input = $( '#exampleInput' );
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// Multi Suggest configuration.
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var options = {
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'parent': $input.parent(),
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'prefix': 'example-multi',
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// Build suggestion groups in order.
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'suggestions': function ( params ) {
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// Generic params object.
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var example = params.example,
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example2 = params.example2,
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query = params.query;
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groups = {
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// Set 1
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'query': {
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'label': 'Query',
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'items': [query],
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'itemClass': 'query-class'
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},
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// Set 2
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'exampleGroup': {
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'label': 'Example 1',
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'items': example,
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'itemClass': 'example-class'
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},
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// Set 3
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'exampleGroup2': {
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'label': 'Example 2',
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'items': example2,
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'itemClass': 'example-class'
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}
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};
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// Return the groups object.
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return groups;
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},
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// Called on succesfull input.
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'input': function ( callback ) {
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var query = $input.val();
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// Example params object.
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var params = {
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'query': query,
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'example': ['example item 1', 'example item 2', 'example item 3', 'example item 4'],
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'example2': ['example item 5', 'example item 6']
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};
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// Build with params.
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callback( params );
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}
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};
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// Setup
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$input.multiSuggest( options );
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*/
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( function ( $ ) {
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$.fn.multiSuggest = function ( options ) {
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return this.each( function () {
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// Private members.
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var inputTimer = null,
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visible = false,
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focused = false,
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$input = $( this ),
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currentInput = '',
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$multiSuggest;
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// Merge options with default configuration.
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$.extend( {
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'doc': document,
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'prefix': 'multi',
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'cssEllipsis': true
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}, options );
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// DOM Setup.
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$multiSuggest = $( '<div>', options.doc )
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.addClass( options.prefix + '-suggest-select' )
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.hide();
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$( options.parent ).append( $multiSuggest );
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/* Methods */
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// Hides & Show MultiSuggest.
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function toggle() {
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if ( visible ) {
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close();
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} else {
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open();
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}
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}
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// Call configured input method and supply the private build method as callback.
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function onInput() {
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// Throttle
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clearTimeout( inputTimer );
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inputTimer = setTimeout( function () {
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var txt = $input.val();
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if ( txt !== '' ) {
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// Be sure that input has changed.
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if (
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txt !== currentInput &&
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typeof options.input === 'function'
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) {
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options.input.call( $input, function ( params, callback ) {
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build( params );
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} );
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}
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} else {
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// No Text, close.
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if ( visible ) {
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close();
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}
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}
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// Set current input.
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currentInput = txt;
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}, 250 );
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}
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// Opens the MultiSuggest dropdown.
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function open() {
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if ( !visible ) {
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// Call input method if cached value is stale
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if (
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$input.val() !== '' &&
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$input.val() !== currentInput
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) {
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onInput();
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} else {
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// Show if there are suggestions.
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if ( $multiSuggest.children().length > 0 ) {
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visible = true;
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$multiSuggest.show();
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}
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}
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}
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}
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// Closes the dropdown.
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function close() {
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if ( visible ) {
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setTimeout( function () {
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visible = false;
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$multiSuggest.hide();
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}, 100 );
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}
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}
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// When an item is selected in the dropdown.
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function select( text ) {
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// Cache input.
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currentInput = text;
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$input.val( text );
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close();
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if ( typeof options.select === 'function' ) {
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options.select.call( this );
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}
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}
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// When an item is "clicked".
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// Use of mousedown to prevent blur.
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function onItemMousedown ( e ) {
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e.preventDefault();
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$multiSuggest
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.find( '.' + options.prefix + '-suggest-item' )
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.removeClass( 'selected' );
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$( this ).addClass( 'selected' );
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select.call( this, $( this ).data( 'text' ) );
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}
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// Adds a group to the dropdown.
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function addGroup( name, group ) {
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var $groupWrap,
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$group,
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$item,
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i;
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// Add a container with a label for this group.
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$group = $( '<div>', options.doc )
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.addClass( options.prefix + '-suggest-container' )
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.append(
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$( '<div>', options.doc )
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.addClass( options.prefix + '-suggest-label' )
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.text( group.label )
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)
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.append(
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$( '<div>', options.doc ).addClass( options.prefix + '-suggest-wrap' )
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)
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// Add a clear break.
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.append( $( '<div style="clear: both;">', options.doc ) );
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// Add group
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$multiSuggest.append( $group );
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// Find the group wrapper element.
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$groupWrap = $group.find( '.' + options.prefix + '-suggest-wrap' );
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// If no items, add a dummy element to take up space.
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if ( group.items.length === 0 ) {
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$groupWrap.append(
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$( '<div> </div>', options.doc )
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.addClass( options.prefix + '-suggest-dummy-item' )
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);
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}
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// Add each item.
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for( i = 0; i < group.items.length; i++ ) {
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$item = $( '<div>', options.doc )
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.addClass( options.prefix + '-suggest-item' )
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.data( 'text', group.items[i] )
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.on( 'mousedown', onItemMousedown );
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if ( 'itemClass' in group ) {
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$item.addClass( group.itemClass );
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}
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$groupWrap.append( $item );
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// Wrap in span
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$item.append( $( '<span>' )
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.css( 'whiteSpace', 'nowrap' )
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.text( group.items[i] )
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);
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// Select this item by default
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if ( group.items[i].toLowerCase() === $input.val().toLowerCase() ) {
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$item.addClass( 'selected' );
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}
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// CSS Ellipsis
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if ( options.cssEllipsis ) {
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$item.css( {
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'white-space': 'nowrap',
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'overflow': 'hidden',
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'-o-text-overflow': 'ellipsis',
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'text-overflow': 'ellipsis'
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} );
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}
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}
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}
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// Build the dropdown.
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// Fired as callback in configured input event.
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function build( params ) {
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var suggestions = options.suggestions( params ),
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group;
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// Setup groups
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$multiSuggest.empty();
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if ( suggestions !== undefined ) {
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for ( group in suggestions ) {
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if ( $.isPlainObject( suggestions[group] ) ) {
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addGroup( group, suggestions[group] );
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}
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}
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// Open dropdown.
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open();
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// Run update method supplied in configuration.
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if ( typeof options.update === 'function' ) {
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options.update();
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}
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}
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}
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// Bind target input events
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$input.on( {
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// Handle any change to the input.
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'keydown cut paste': function ( e ) {
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var $item,
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$items = $multiSuggest
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.find( '.' + options.prefix + '-suggest-item' ),
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selected = 0;
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// Find the selected index.
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$.each( $items, function ( i, e ) {
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if( $( this ).hasClass( 'selected' ) ) {
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selected = i;
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}
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});
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// Down arrow
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if ( e.which === 40 ) {
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e.preventDefault();
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// If not visible, open and do nothing.
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if ( !visible ) {
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open();
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return;
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}
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selected = ( selected + 1 ) % $items.length;
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$items.removeClass( 'selected' );
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$( $items[selected] ).addClass( 'selected' );
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// Up Arrow
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} else if ( e.which === 38 ) {
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e.preventDefault();
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// If not visible, open and do nothing.
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if ( !visible ) {
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open();
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return;
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}
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selected = ( selected + $items.length - 1 ) % $items.length;
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$items.removeClass( 'selected' );
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$( $items[selected] ).addClass( 'selected' );
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// Enter key.
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} else if ( e.which === 13 ) {
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// Only if the dropdown is open.
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if ( visible ) {
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e.preventDefault();
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$item = $multiSuggest
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.find( '.' + options.prefix + '-suggest-item.selected' );
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if ( $item.length > 0 ) {
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select.call( this, $item.data( 'text' ) );
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} else {
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close();
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}
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return;
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}
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}
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// Handle normal input.
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onInput();
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},
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'focus': function () {
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focused = true;
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open();
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},
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'blur': function () {
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focused = false;
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close();
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},
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'mousedown': function () {
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if ( focused ) {
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toggle();
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}
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}
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} );
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return this;
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} );
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};
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}( jQuery ) );
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