mirror of
https://github.com/supanadit/short-url.git
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683 lines
17 KiB
JavaScript
Executable File
Vendored
683 lines
17 KiB
JavaScript
Executable File
Vendored
/*!
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* jQuery UI Autocomplete 1.12.1
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* http://jqueryui.com
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*
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* Copyright jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*/
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//>>label: Autocomplete
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//>>group: Widgets
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//>>description: Lists suggested words as the user is typing.
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//>>docs: http://api.jqueryui.com/autocomplete/
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//>>demos: http://jqueryui.com/autocomplete/
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//>>css.structure: ../../themes/base/core.css
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//>>css.structure: ../../themes/base/autocomplete.css
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//>>css.theme: ../../themes/base/theme.css
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( function( factory ) {
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [
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"jquery",
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"./menu",
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"../keycode",
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"../position",
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"../safe-active-element",
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"../version",
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"../widget"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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}( function( $ ) {
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$.widget( "ui.autocomplete", {
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version: "1.12.1",
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defaultElement: "<input>",
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options: {
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appendTo: null,
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autoFocus: false,
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delay: 300,
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minLength: 1,
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position: {
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my: "left top",
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at: "left bottom",
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collision: "none"
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},
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source: null,
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// Callbacks
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change: null,
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close: null,
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focus: null,
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open: null,
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response: null,
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search: null,
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select: null
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},
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requestIndex: 0,
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pending: 0,
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_create: function() {
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// Some browsers only repeat keydown events, not keypress events,
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// so we use the suppressKeyPress flag to determine if we've already
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// handled the keydown event. #7269
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// Unfortunately the code for & in keypress is the same as the up arrow,
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// so we use the suppressKeyPressRepeat flag to avoid handling keypress
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// events when we know the keydown event was used to modify the
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// search term. #7799
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var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
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nodeName = this.element[ 0 ].nodeName.toLowerCase(),
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isTextarea = nodeName === "textarea",
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isInput = nodeName === "input";
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// Textareas are always multi-line
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// Inputs are always single-line, even if inside a contentEditable element
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// IE also treats inputs as contentEditable
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// All other element types are determined by whether or not they're contentEditable
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this.isMultiLine = isTextarea || !isInput && this._isContentEditable( this.element );
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this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
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this.isNewMenu = true;
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this._addClass( "ui-autocomplete-input" );
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this.element.attr( "autocomplete", "off" );
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this._on( this.element, {
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keydown: function( event ) {
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if ( this.element.prop( "readOnly" ) ) {
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suppressKeyPress = true;
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suppressInput = true;
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suppressKeyPressRepeat = true;
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return;
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}
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suppressKeyPress = false;
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suppressInput = false;
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suppressKeyPressRepeat = false;
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var keyCode = $.ui.keyCode;
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switch ( event.keyCode ) {
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case keyCode.PAGE_UP:
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suppressKeyPress = true;
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this._move( "previousPage", event );
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break;
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case keyCode.PAGE_DOWN:
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suppressKeyPress = true;
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this._move( "nextPage", event );
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break;
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case keyCode.UP:
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suppressKeyPress = true;
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this._keyEvent( "previous", event );
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break;
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case keyCode.DOWN:
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suppressKeyPress = true;
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this._keyEvent( "next", event );
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break;
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case keyCode.ENTER:
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// when menu is open and has focus
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if ( this.menu.active ) {
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// #6055 - Opera still allows the keypress to occur
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// which causes forms to submit
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suppressKeyPress = true;
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event.preventDefault();
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this.menu.select( event );
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}
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break;
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case keyCode.TAB:
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if ( this.menu.active ) {
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this.menu.select( event );
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}
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break;
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case keyCode.ESCAPE:
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if ( this.menu.element.is( ":visible" ) ) {
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if ( !this.isMultiLine ) {
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this._value( this.term );
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}
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this.close( event );
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// Different browsers have different default behavior for escape
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// Single press can mean undo or clear
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// Double press in IE means clear the whole form
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event.preventDefault();
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}
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break;
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default:
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suppressKeyPressRepeat = true;
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// search timeout should be triggered before the input value is changed
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this._searchTimeout( event );
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break;
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}
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},
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keypress: function( event ) {
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if ( suppressKeyPress ) {
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suppressKeyPress = false;
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if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
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event.preventDefault();
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}
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return;
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}
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if ( suppressKeyPressRepeat ) {
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return;
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}
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// Replicate some key handlers to allow them to repeat in Firefox and Opera
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var keyCode = $.ui.keyCode;
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switch ( event.keyCode ) {
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case keyCode.PAGE_UP:
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this._move( "previousPage", event );
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break;
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case keyCode.PAGE_DOWN:
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this._move( "nextPage", event );
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break;
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case keyCode.UP:
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this._keyEvent( "previous", event );
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break;
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case keyCode.DOWN:
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this._keyEvent( "next", event );
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break;
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}
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},
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input: function( event ) {
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if ( suppressInput ) {
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suppressInput = false;
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event.preventDefault();
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return;
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}
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this._searchTimeout( event );
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},
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focus: function() {
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this.selectedItem = null;
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this.previous = this._value();
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},
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blur: function( event ) {
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if ( this.cancelBlur ) {
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delete this.cancelBlur;
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return;
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}
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clearTimeout( this.searching );
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this.close( event );
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this._change( event );
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}
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} );
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this._initSource();
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this.menu = $( "<ul>" )
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.appendTo( this._appendTo() )
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.menu( {
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// disable ARIA support, the live region takes care of that
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role: null
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} )
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.hide()
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.menu( "instance" );
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this._addClass( this.menu.element, "ui-autocomplete", "ui-front" );
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this._on( this.menu.element, {
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mousedown: function( event ) {
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// prevent moving focus out of the text field
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event.preventDefault();
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// IE doesn't prevent moving focus even with event.preventDefault()
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// so we set a flag to know when we should ignore the blur event
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this.cancelBlur = true;
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this._delay( function() {
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delete this.cancelBlur;
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// Support: IE 8 only
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// Right clicking a menu item or selecting text from the menu items will
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// result in focus moving out of the input. However, we've already received
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// and ignored the blur event because of the cancelBlur flag set above. So
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// we restore focus to ensure that the menu closes properly based on the user's
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// next actions.
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if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
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this.element.trigger( "focus" );
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}
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} );
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},
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menufocus: function( event, ui ) {
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var label, item;
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// support: Firefox
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// Prevent accidental activation of menu items in Firefox (#7024 #9118)
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if ( this.isNewMenu ) {
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this.isNewMenu = false;
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if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
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this.menu.blur();
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this.document.one( "mousemove", function() {
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$( event.target ).trigger( event.originalEvent );
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} );
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return;
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}
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}
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item = ui.item.data( "ui-autocomplete-item" );
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if ( false !== this._trigger( "focus", event, { item: item } ) ) {
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// use value to match what will end up in the input, if it was a key event
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if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
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this._value( item.value );
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}
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}
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// Announce the value in the liveRegion
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label = ui.item.attr( "aria-label" ) || item.value;
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if ( label && $.trim( label ).length ) {
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this.liveRegion.children().hide();
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$( "<div>" ).text( label ).appendTo( this.liveRegion );
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}
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},
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menuselect: function( event, ui ) {
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var item = ui.item.data( "ui-autocomplete-item" ),
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previous = this.previous;
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// Only trigger when focus was lost (click on menu)
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if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
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this.element.trigger( "focus" );
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this.previous = previous;
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// #6109 - IE triggers two focus events and the second
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// is asynchronous, so we need to reset the previous
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// term synchronously and asynchronously :-(
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this._delay( function() {
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this.previous = previous;
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this.selectedItem = item;
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} );
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}
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if ( false !== this._trigger( "select", event, { item: item } ) ) {
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this._value( item.value );
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}
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// reset the term after the select event
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// this allows custom select handling to work properly
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this.term = this._value();
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this.close( event );
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this.selectedItem = item;
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}
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} );
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this.liveRegion = $( "<div>", {
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role: "status",
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"aria-live": "assertive",
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"aria-relevant": "additions"
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} )
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.appendTo( this.document[ 0 ].body );
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this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );
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// Turning off autocomplete prevents the browser from remembering the
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// value when navigating through history, so we re-enable autocomplete
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// if the page is unloaded before the widget is destroyed. #7790
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this._on( this.window, {
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beforeunload: function() {
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this.element.removeAttr( "autocomplete" );
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}
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} );
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},
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_destroy: function() {
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clearTimeout( this.searching );
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this.element.removeAttr( "autocomplete" );
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this.menu.element.remove();
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this.liveRegion.remove();
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},
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_setOption: function( key, value ) {
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this._super( key, value );
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if ( key === "source" ) {
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this._initSource();
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}
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if ( key === "appendTo" ) {
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this.menu.element.appendTo( this._appendTo() );
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}
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if ( key === "disabled" && value && this.xhr ) {
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this.xhr.abort();
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}
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},
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_isEventTargetInWidget: function( event ) {
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var menuElement = this.menu.element[ 0 ];
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return event.target === this.element[ 0 ] ||
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event.target === menuElement ||
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$.contains( menuElement, event.target );
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},
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_closeOnClickOutside: function( event ) {
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if ( !this._isEventTargetInWidget( event ) ) {
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this.close();
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}
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},
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_appendTo: function() {
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var element = this.options.appendTo;
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if ( element ) {
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element = element.jquery || element.nodeType ?
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$( element ) :
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this.document.find( element ).eq( 0 );
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}
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if ( !element || !element[ 0 ] ) {
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element = this.element.closest( ".ui-front, dialog" );
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}
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if ( !element.length ) {
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element = this.document[ 0 ].body;
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}
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return element;
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},
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_initSource: function() {
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var array, url,
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that = this;
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if ( $.isArray( this.options.source ) ) {
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array = this.options.source;
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this.source = function( request, response ) {
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response( $.ui.autocomplete.filter( array, request.term ) );
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};
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} else if ( typeof this.options.source === "string" ) {
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url = this.options.source;
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this.source = function( request, response ) {
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if ( that.xhr ) {
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that.xhr.abort();
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}
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that.xhr = $.ajax( {
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url: url,
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data: request,
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dataType: "json",
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success: function( data ) {
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response( data );
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},
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error: function() {
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response( [] );
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}
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} );
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};
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} else {
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this.source = this.options.source;
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}
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},
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_searchTimeout: function( event ) {
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clearTimeout( this.searching );
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this.searching = this._delay( function() {
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// Search if the value has changed, or if the user retypes the same value (see #7434)
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var equalValues = this.term === this._value(),
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menuVisible = this.menu.element.is( ":visible" ),
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modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
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if ( !equalValues || ( equalValues && !menuVisible && !modifierKey ) ) {
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this.selectedItem = null;
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this.search( null, event );
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}
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}, this.options.delay );
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},
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search: function( value, event ) {
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value = value != null ? value : this._value();
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// Always save the actual value, not the one passed as an argument
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this.term = this._value();
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if ( value.length < this.options.minLength ) {
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return this.close( event );
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}
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if ( this._trigger( "search", event ) === false ) {
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return;
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}
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return this._search( value );
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},
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_search: function( value ) {
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this.pending++;
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this._addClass( "ui-autocomplete-loading" );
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this.cancelSearch = false;
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this.source( { term: value }, this._response() );
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},
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_response: function() {
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var index = ++this.requestIndex;
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return $.proxy( function( content ) {
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if ( index === this.requestIndex ) {
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this.__response( content );
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}
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this.pending--;
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if ( !this.pending ) {
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this._removeClass( "ui-autocomplete-loading" );
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}
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}, this );
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},
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__response: function( content ) {
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if ( content ) {
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content = this._normalize( content );
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}
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this._trigger( "response", null, { content: content } );
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if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
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this._suggest( content );
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this._trigger( "open" );
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} else {
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// use ._close() instead of .close() so we don't cancel future searches
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this._close();
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}
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},
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close: function( event ) {
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this.cancelSearch = true;
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this._close( event );
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},
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_close: function( event ) {
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// Remove the handler that closes the menu on outside clicks
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this._off( this.document, "mousedown" );
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if ( this.menu.element.is( ":visible" ) ) {
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this.menu.element.hide();
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this.menu.blur();
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this.isNewMenu = true;
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this._trigger( "close", event );
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}
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},
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_change: function( event ) {
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if ( this.previous !== this._value() ) {
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this._trigger( "change", event, { item: this.selectedItem } );
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}
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},
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_normalize: function( items ) {
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// assume all items have the right format when the first item is complete
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if ( items.length && items[ 0 ].label && items[ 0 ].value ) {
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return items;
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}
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return $.map( items, function( item ) {
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if ( typeof item === "string" ) {
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return {
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label: item,
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value: item
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};
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}
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return $.extend( {}, item, {
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label: item.label || item.value,
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value: item.value || item.label
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} );
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} );
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},
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_suggest: function( items ) {
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var ul = this.menu.element.empty();
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this._renderMenu( ul, items );
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this.isNewMenu = true;
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this.menu.refresh();
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// Size and position menu
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ul.show();
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this._resizeMenu();
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ul.position( $.extend( {
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of: this.element
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}, this.options.position ) );
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if ( this.options.autoFocus ) {
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this.menu.next();
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}
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// Listen for interactions outside of the widget (#6642)
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this._on( this.document, {
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mousedown: "_closeOnClickOutside"
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} );
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},
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_resizeMenu: function() {
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var ul = this.menu.element;
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ul.outerWidth( Math.max(
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// Firefox wraps long text (possibly a rounding bug)
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// so we add 1px to avoid the wrapping (#7513)
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ul.width( "" ).outerWidth() + 1,
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this.element.outerWidth()
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) );
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},
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_renderMenu: function( ul, items ) {
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var that = this;
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$.each( items, function( index, item ) {
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that._renderItemData( ul, item );
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} );
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},
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_renderItemData: function( ul, item ) {
|
|
return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
|
|
},
|
|
|
|
_renderItem: function( ul, item ) {
|
|
return $( "<li>" )
|
|
.append( $( "<div>" ).text( item.label ) )
|
|
.appendTo( ul );
|
|
},
|
|
|
|
_move: function( direction, event ) {
|
|
if ( !this.menu.element.is( ":visible" ) ) {
|
|
this.search( null, event );
|
|
return;
|
|
}
|
|
if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
|
|
this.menu.isLastItem() && /^next/.test( direction ) ) {
|
|
|
|
if ( !this.isMultiLine ) {
|
|
this._value( this.term );
|
|
}
|
|
|
|
this.menu.blur();
|
|
return;
|
|
}
|
|
this.menu[ direction ]( event );
|
|
},
|
|
|
|
widget: function() {
|
|
return this.menu.element;
|
|
},
|
|
|
|
_value: function() {
|
|
return this.valueMethod.apply( this.element, arguments );
|
|
},
|
|
|
|
_keyEvent: function( keyEvent, event ) {
|
|
if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
|
|
this._move( keyEvent, event );
|
|
|
|
// Prevents moving cursor to beginning/end of the text field in some browsers
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
|
|
// Support: Chrome <=50
|
|
// We should be able to just use this.element.prop( "isContentEditable" )
|
|
// but hidden elements always report false in Chrome.
|
|
// https://code.google.com/p/chromium/issues/detail?id=313082
|
|
_isContentEditable: function( element ) {
|
|
if ( !element.length ) {
|
|
return false;
|
|
}
|
|
|
|
var editable = element.prop( "contentEditable" );
|
|
|
|
if ( editable === "inherit" ) {
|
|
return this._isContentEditable( element.parent() );
|
|
}
|
|
|
|
return editable === "true";
|
|
}
|
|
} );
|
|
|
|
$.extend( $.ui.autocomplete, {
|
|
escapeRegex: function( value ) {
|
|
return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
|
|
},
|
|
filter: function( array, term ) {
|
|
var matcher = new RegExp( $.ui.autocomplete.escapeRegex( term ), "i" );
|
|
return $.grep( array, function( value ) {
|
|
return matcher.test( value.label || value.value || value );
|
|
} );
|
|
}
|
|
} );
|
|
|
|
// Live region extension, adding a `messages` option
|
|
// NOTE: This is an experimental API. We are still investigating
|
|
// a full solution for string manipulation and internationalization.
|
|
$.widget( "ui.autocomplete", $.ui.autocomplete, {
|
|
options: {
|
|
messages: {
|
|
noResults: "No search results.",
|
|
results: function( amount ) {
|
|
return amount + ( amount > 1 ? " results are" : " result is" ) +
|
|
" available, use up and down arrow keys to navigate.";
|
|
}
|
|
}
|
|
},
|
|
|
|
__response: function( content ) {
|
|
var message;
|
|
this._superApply( arguments );
|
|
if ( this.options.disabled || this.cancelSearch ) {
|
|
return;
|
|
}
|
|
if ( content && content.length ) {
|
|
message = this.options.messages.results( content.length );
|
|
} else {
|
|
message = this.options.messages.noResults;
|
|
}
|
|
this.liveRegion.children().hide();
|
|
$( "<div>" ).text( message ).appendTo( this.liveRegion );
|
|
}
|
|
} );
|
|
|
|
return $.ui.autocomplete;
|
|
|
|
} ) );
|