mirror of
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Merge commit 'd21ea7816e' as 'jquery-ui'
This commit is contained in:
Mark Schouten
commit
e904a80717
629 changed files with 341074 additions and 0 deletions
653
jquery-ui/ui/autocomplete.js
vendored
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653
jquery-ui/ui/autocomplete.js
vendored
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/*!
|
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* jQuery UI Autocomplete @VERSION
|
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* http://jqueryui.com
|
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*
|
||||
* Copyright jQuery Foundation and other contributors
|
||||
* Released under the MIT license.
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* http://jquery.org/license
|
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*
|
||||
* http://api.jqueryui.com/autocomplete/
|
||||
*/
|
||||
(function( factory ) {
|
||||
if ( typeof define === "function" && define.amd ) {
|
||||
|
||||
// AMD. Register as an anonymous module.
|
||||
define([
|
||||
"jquery",
|
||||
"./core",
|
||||
"./widget",
|
||||
"./position",
|
||||
"./menu"
|
||||
], factory );
|
||||
} else {
|
||||
|
||||
// Browser globals
|
||||
factory( jQuery );
|
||||
}
|
||||
}(function( $ ) {
|
||||
|
||||
$.widget( "ui.autocomplete", {
|
||||
version: "@VERSION",
|
||||
defaultElement: "<input>",
|
||||
options: {
|
||||
appendTo: null,
|
||||
autoFocus: false,
|
||||
delay: 300,
|
||||
minLength: 1,
|
||||
position: {
|
||||
my: "left top",
|
||||
at: "left bottom",
|
||||
collision: "none"
|
||||
},
|
||||
source: null,
|
||||
|
||||
// callbacks
|
||||
change: null,
|
||||
close: null,
|
||||
focus: null,
|
||||
open: null,
|
||||
response: null,
|
||||
search: null,
|
||||
select: null
|
||||
},
|
||||
|
||||
requestIndex: 0,
|
||||
pending: 0,
|
||||
|
||||
_create: function() {
|
||||
// Some browsers only repeat keydown events, not keypress events,
|
||||
// so we use the suppressKeyPress flag to determine if we've already
|
||||
// handled the keydown event. #7269
|
||||
// Unfortunately the code for & in keypress is the same as the up arrow,
|
||||
// so we use the suppressKeyPressRepeat flag to avoid handling keypress
|
||||
// events when we know the keydown event was used to modify the
|
||||
// search term. #7799
|
||||
var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
|
||||
nodeName = this.element[ 0 ].nodeName.toLowerCase(),
|
||||
isTextarea = nodeName === "textarea",
|
||||
isInput = nodeName === "input";
|
||||
|
||||
// Textareas are always multi-line
|
||||
// Inputs are always single-line, even if inside a contentEditable element
|
||||
// IE also treats inputs as contentEditable
|
||||
// All other element types are determined by whether or not they're contentEditable
|
||||
this.isMultiLine = isTextarea || !isInput && this._isContentEditable( this.element );
|
||||
|
||||
this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
|
||||
this.isNewMenu = true;
|
||||
|
||||
this.element
|
||||
.addClass( "ui-autocomplete-input" )
|
||||
.attr( "autocomplete", "off" );
|
||||
|
||||
this._on( this.element, {
|
||||
keydown: function( event ) {
|
||||
if ( this.element.prop( "readOnly" ) ) {
|
||||
suppressKeyPress = true;
|
||||
suppressInput = true;
|
||||
suppressKeyPressRepeat = true;
|
||||
return;
|
||||
}
|
||||
|
||||
suppressKeyPress = false;
|
||||
suppressInput = false;
|
||||
suppressKeyPressRepeat = false;
|
||||
var keyCode = $.ui.keyCode;
|
||||
switch ( event.keyCode ) {
|
||||
case keyCode.PAGE_UP:
|
||||
suppressKeyPress = true;
|
||||
this._move( "previousPage", event );
|
||||
break;
|
||||
case keyCode.PAGE_DOWN:
|
||||
suppressKeyPress = true;
|
||||
this._move( "nextPage", event );
|
||||
break;
|
||||
case keyCode.UP:
|
||||
suppressKeyPress = true;
|
||||
this._keyEvent( "previous", event );
|
||||
break;
|
||||
case keyCode.DOWN:
|
||||
suppressKeyPress = true;
|
||||
this._keyEvent( "next", event );
|
||||
break;
|
||||
case keyCode.ENTER:
|
||||
// when menu is open and has focus
|
||||
if ( this.menu.active ) {
|
||||
// #6055 - Opera still allows the keypress to occur
|
||||
// which causes forms to submit
|
||||
suppressKeyPress = true;
|
||||
event.preventDefault();
|
||||
this.menu.select( event );
|
||||
}
|
||||
break;
|
||||
case keyCode.TAB:
|
||||
if ( this.menu.active ) {
|
||||
this.menu.select( event );
|
||||
}
|
||||
break;
|
||||
case keyCode.ESCAPE:
|
||||
if ( this.menu.element.is( ":visible" ) ) {
|
||||
if ( !this.isMultiLine ) {
|
||||
this._value( this.term );
|
||||
}
|
||||
this.close( event );
|
||||
// Different browsers have different default behavior for escape
|
||||
// Single press can mean undo or clear
|
||||
// Double press in IE means clear the whole form
|
||||
event.preventDefault();
|
||||
}
|
||||
break;
|
||||
default:
|
||||
suppressKeyPressRepeat = true;
|
||||
// search timeout should be triggered before the input value is changed
|
||||
this._searchTimeout( event );
|
||||
break;
|
||||
}
|
||||
},
|
||||
keypress: function( event ) {
|
||||
if ( suppressKeyPress ) {
|
||||
suppressKeyPress = false;
|
||||
if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
|
||||
event.preventDefault();
|
||||
}
|
||||
return;
|
||||
}
|
||||
if ( suppressKeyPressRepeat ) {
|
||||
return;
|
||||
}
|
||||
|
||||
// replicate some key handlers to allow them to repeat in Firefox and Opera
|
||||
var keyCode = $.ui.keyCode;
|
||||
switch ( event.keyCode ) {
|
||||
case keyCode.PAGE_UP:
|
||||
this._move( "previousPage", event );
|
||||
break;
|
||||
case keyCode.PAGE_DOWN:
|
||||
this._move( "nextPage", event );
|
||||
break;
|
||||
case keyCode.UP:
|
||||
this._keyEvent( "previous", event );
|
||||
break;
|
||||
case keyCode.DOWN:
|
||||
this._keyEvent( "next", event );
|
||||
break;
|
||||
}
|
||||
},
|
||||
input: function( event ) {
|
||||
if ( suppressInput ) {
|
||||
suppressInput = false;
|
||||
event.preventDefault();
|
||||
return;
|
||||
}
|
||||
this._searchTimeout( event );
|
||||
},
|
||||
focus: function() {
|
||||
this.selectedItem = null;
|
||||
this.previous = this._value();
|
||||
},
|
||||
blur: function( event ) {
|
||||
if ( this.cancelBlur ) {
|
||||
delete this.cancelBlur;
|
||||
return;
|
||||
}
|
||||
|
||||
clearTimeout( this.searching );
|
||||
this.close( event );
|
||||
this._change( event );
|
||||
}
|
||||
});
|
||||
|
||||
this._initSource();
|
||||
this.menu = $( "<ul>" )
|
||||
.addClass( "ui-autocomplete ui-front" )
|
||||
.appendTo( this._appendTo() )
|
||||
.menu({
|
||||
// disable ARIA support, the live region takes care of that
|
||||
role: null
|
||||
})
|
||||
.hide()
|
||||
.menu( "instance" );
|
||||
|
||||
this._on( this.menu.element, {
|
||||
mousedown: function( event ) {
|
||||
// prevent moving focus out of the text field
|
||||
event.preventDefault();
|
||||
|
||||
// IE doesn't prevent moving focus even with event.preventDefault()
|
||||
// so we set a flag to know when we should ignore the blur event
|
||||
this.cancelBlur = true;
|
||||
this._delay(function() {
|
||||
delete this.cancelBlur;
|
||||
|
||||
// Support: IE 8 only
|
||||
// Right clicking a menu item or selecting text from the menu items will
|
||||
// result in focus moving out of the input. However, we've already received
|
||||
// and ignored the blur event because of the cancelBlur flag set above. So
|
||||
// we restore focus to ensure that the menu closes properly based on the user's
|
||||
// next actions.
|
||||
if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
|
||||
this.element.focus();
|
||||
}
|
||||
});
|
||||
|
||||
// clicking on the scrollbar causes focus to shift to the body
|
||||
// but we can't detect a mouseup or a click immediately afterward
|
||||
// so we have to track the next mousedown and close the menu if
|
||||
// the user clicks somewhere outside of the autocomplete
|
||||
var menuElement = this.menu.element[ 0 ];
|
||||
if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
|
||||
this._delay(function() {
|
||||
var that = this;
|
||||
this.document.one( "mousedown", function( event ) {
|
||||
if ( event.target !== that.element[ 0 ] &&
|
||||
event.target !== menuElement &&
|
||||
!$.contains( menuElement, event.target ) ) {
|
||||
that.close();
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
},
|
||||
menufocus: function( event, ui ) {
|
||||
var label, item;
|
||||
// support: Firefox
|
||||
// Prevent accidental activation of menu items in Firefox (#7024 #9118)
|
||||
if ( this.isNewMenu ) {
|
||||
this.isNewMenu = false;
|
||||
if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
|
||||
this.menu.blur();
|
||||
|
||||
this.document.one( "mousemove", function() {
|
||||
$( event.target ).trigger( event.originalEvent );
|
||||
});
|
||||
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
item = ui.item.data( "ui-autocomplete-item" );
|
||||
if ( false !== this._trigger( "focus", event, { item: item } ) ) {
|
||||
// use value to match what will end up in the input, if it was a key event
|
||||
if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
|
||||
this._value( item.value );
|
||||
}
|
||||
}
|
||||
|
||||
// Announce the value in the liveRegion
|
||||
label = ui.item.attr( "aria-label" ) || item.value;
|
||||
if ( label && $.trim( label ).length ) {
|
||||
this.liveRegion.children().hide();
|
||||
$( "<div>" ).text( label ).appendTo( this.liveRegion );
|
||||
}
|
||||
},
|
||||
menuselect: function( event, ui ) {
|
||||
var item = ui.item.data( "ui-autocomplete-item" ),
|
||||
previous = this.previous;
|
||||
|
||||
// only trigger when focus was lost (click on menu)
|
||||
if ( this.element[ 0 ] !== $.ui.safeActiveElement( this.document[ 0 ] ) ) {
|
||||
this.element.focus();
|
||||
this.previous = previous;
|
||||
// #6109 - IE triggers two focus events and the second
|
||||
// is asynchronous, so we need to reset the previous
|
||||
// term synchronously and asynchronously :-(
|
||||
this._delay(function() {
|
||||
this.previous = previous;
|
||||
this.selectedItem = item;
|
||||
});
|
||||
}
|
||||
|
||||
if ( false !== this._trigger( "select", event, { item: item } ) ) {
|
||||
this._value( item.value );
|
||||
}
|
||||
// reset the term after the select event
|
||||
// this allows custom select handling to work properly
|
||||
this.term = this._value();
|
||||
|
||||
this.close( event );
|
||||
this.selectedItem = item;
|
||||
}
|
||||
});
|
||||
|
||||
this.liveRegion = $( "<div>", {
|
||||
role: "status",
|
||||
"aria-live": "assertive",
|
||||
"aria-relevant": "additions"
|
||||
})
|
||||
.addClass( "ui-helper-hidden-accessible" )
|
||||
.appendTo( this.document[ 0 ].body );
|
||||
|
||||
// turning off autocomplete prevents the browser from remembering the
|
||||
// value when navigating through history, so we re-enable autocomplete
|
||||
// if the page is unloaded before the widget is destroyed. #7790
|
||||
this._on( this.window, {
|
||||
beforeunload: function() {
|
||||
this.element.removeAttr( "autocomplete" );
|
||||
}
|
||||
});
|
||||
},
|
||||
|
||||
_destroy: function() {
|
||||
clearTimeout( this.searching );
|
||||
this.element
|
||||
.removeClass( "ui-autocomplete-input" )
|
||||
.removeAttr( "autocomplete" );
|
||||
this.menu.element.remove();
|
||||
this.liveRegion.remove();
|
||||
},
|
||||
|
||||
_setOption: function( key, value ) {
|
||||
this._super( key, value );
|
||||
if ( key === "source" ) {
|
||||
this._initSource();
|
||||
}
|
||||
if ( key === "appendTo" ) {
|
||||
this.menu.element.appendTo( this._appendTo() );
|
||||
}
|
||||
if ( key === "disabled" && value && this.xhr ) {
|
||||
this.xhr.abort();
|
||||
}
|
||||
},
|
||||
|
||||
_appendTo: function() {
|
||||
var element = this.options.appendTo;
|
||||
|
||||
if ( element ) {
|
||||
element = element.jquery || element.nodeType ?
|
||||
$( element ) :
|
||||
this.document.find( element ).eq( 0 );
|
||||
}
|
||||
|
||||
if ( !element || !element[ 0 ] ) {
|
||||
element = this.element.closest( ".ui-front, dialog" );
|
||||
}
|
||||
|
||||
if ( !element.length ) {
|
||||
element = this.document[ 0 ].body;
|
||||
}
|
||||
|
||||
return element;
|
||||
},
|
||||
|
||||
_initSource: function() {
|
||||
var array, url,
|
||||
that = this;
|
||||
if ( $.isArray( this.options.source ) ) {
|
||||
array = this.options.source;
|
||||
this.source = function( request, response ) {
|
||||
response( $.ui.autocomplete.filter( array, request.term ) );
|
||||
};
|
||||
} else if ( typeof this.options.source === "string" ) {
|
||||
url = this.options.source;
|
||||
this.source = function( request, response ) {
|
||||
if ( that.xhr ) {
|
||||
that.xhr.abort();
|
||||
}
|
||||
that.xhr = $.ajax({
|
||||
url: url,
|
||||
data: request,
|
||||
dataType: "json",
|
||||
success: function( data ) {
|
||||
response( data );
|
||||
},
|
||||
error: function() {
|
||||
response([]);
|
||||
}
|
||||
});
|
||||
};
|
||||
} else {
|
||||
this.source = this.options.source;
|
||||
}
|
||||
},
|
||||
|
||||
_searchTimeout: function( event ) {
|
||||
clearTimeout( this.searching );
|
||||
this.searching = this._delay(function() {
|
||||
|
||||
// Search if the value has changed, or if the user retypes the same value (see #7434)
|
||||
var equalValues = this.term === this._value(),
|
||||
menuVisible = this.menu.element.is( ":visible" ),
|
||||
modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
|
||||
|
||||
if ( !equalValues || ( equalValues && !menuVisible && !modifierKey ) ) {
|
||||
this.selectedItem = null;
|
||||
this.search( null, event );
|
||||
}
|
||||
}, this.options.delay );
|
||||
},
|
||||
|
||||
search: function( value, event ) {
|
||||
value = value != null ? value : this._value();
|
||||
|
||||
// always save the actual value, not the one passed as an argument
|
||||
this.term = this._value();
|
||||
|
||||
if ( value.length < this.options.minLength ) {
|
||||
return this.close( event );
|
||||
}
|
||||
|
||||
if ( this._trigger( "search", event ) === false ) {
|
||||
return;
|
||||
}
|
||||
|
||||
return this._search( value );
|
||||
},
|
||||
|
||||
_search: function( value ) {
|
||||
this.pending++;
|
||||
this.element.addClass( "ui-autocomplete-loading" );
|
||||
this.cancelSearch = false;
|
||||
|
||||
this.source( { term: value }, this._response() );
|
||||
},
|
||||
|
||||
_response: function() {
|
||||
var index = ++this.requestIndex;
|
||||
|
||||
return $.proxy(function( content ) {
|
||||
if ( index === this.requestIndex ) {
|
||||
this.__response( content );
|
||||
}
|
||||
|
||||
this.pending--;
|
||||
if ( !this.pending ) {
|
||||
this.element.removeClass( "ui-autocomplete-loading" );
|
||||
}
|
||||
}, this );
|
||||
},
|
||||
|
||||
__response: function( content ) {
|
||||
if ( content ) {
|
||||
content = this._normalize( content );
|
||||
}
|
||||
this._trigger( "response", null, { content: content } );
|
||||
if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
|
||||
this._suggest( content );
|
||||
this._trigger( "open" );
|
||||
} else {
|
||||
// use ._close() instead of .close() so we don't cancel future searches
|
||||
this._close();
|
||||
}
|
||||
},
|
||||
|
||||
close: function( event ) {
|
||||
this.cancelSearch = true;
|
||||
this._close( event );
|
||||
},
|
||||
|
||||
_close: function( event ) {
|
||||
if ( this.menu.element.is( ":visible" ) ) {
|
||||
this.menu.element.hide();
|
||||
this.menu.blur();
|
||||
this.isNewMenu = true;
|
||||
this._trigger( "close", event );
|
||||
}
|
||||
},
|
||||
|
||||
_change: function( event ) {
|
||||
if ( this.previous !== this._value() ) {
|
||||
this._trigger( "change", event, { item: this.selectedItem } );
|
||||
}
|
||||
},
|
||||
|
||||
_normalize: function( items ) {
|
||||
// assume all items have the right format when the first item is complete
|
||||
if ( items.length && items[ 0 ].label && items[ 0 ].value ) {
|
||||
return items;
|
||||
}
|
||||
return $.map( items, function( item ) {
|
||||
if ( typeof item === "string" ) {
|
||||
return {
|
||||
label: item,
|
||||
value: item
|
||||
};
|
||||
}
|
||||
return $.extend( {}, item, {
|
||||
label: item.label || item.value,
|
||||
value: item.value || item.label
|
||||
});
|
||||
});
|
||||
},
|
||||
|
||||
_suggest: function( items ) {
|
||||
var ul = this.menu.element.empty();
|
||||
this._renderMenu( ul, items );
|
||||
this.isNewMenu = true;
|
||||
this.menu.refresh();
|
||||
|
||||
// size and position menu
|
||||
ul.show();
|
||||
this._resizeMenu();
|
||||
ul.position( $.extend({
|
||||
of: this.element
|
||||
}, this.options.position ) );
|
||||
|
||||
if ( this.options.autoFocus ) {
|
||||
this.menu.next();
|
||||
}
|
||||
},
|
||||
|
||||
_resizeMenu: function() {
|
||||
var ul = this.menu.element;
|
||||
ul.outerWidth( Math.max(
|
||||
// Firefox wraps long text (possibly a rounding bug)
|
||||
// so we add 1px to avoid the wrapping (#7513)
|
||||
ul.width( "" ).outerWidth() + 1,
|
||||
this.element.outerWidth()
|
||||
) );
|
||||
},
|
||||
|
||||
_renderMenu: function( ul, items ) {
|
||||
var that = this;
|
||||
$.each( items, function( index, item ) {
|
||||
that._renderItemData( ul, item );
|
||||
});
|
||||
},
|
||||
|
||||
_renderItemData: function( ul, item ) {
|
||||
return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
|
||||
},
|
||||
|
||||
_renderItem: function( ul, item ) {
|
||||
return $( "<li>" ).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;
|
||||
|
||||
}));
|
||||
Loading…
Add table
Add a link
Reference in a new issue