server/apps/contacts/js/jquery.multi-autocomplete.js
2012-04-22 00:44:53 +02:00

94 lines
2.7 KiB
JavaScript

/**
* Inspired by http://jqueryui.com/demos/autocomplete/#multiple
*/
(function( $ ) {
$.widget('ui.multiple_autocomplete', {
_create: function() {
var self = this;
function split( val ) {
return val.split( /,\s*/ );
}
function extractLast( term ) {
return split( term ).pop();
}
function showOptions() {
if(!self.element.autocomplete('widget').is(':visible') && self.element.val().trim() == '') {
self.element.autocomplete('search', '');
}
}
//console.log('_create: ' + this.options['id']);
this.element.bind('click', function( event ) {
showOptions();
});
this.element.bind('input', function( event ) {
showOptions();
});
this.element.bind('blur', function( event ) {
var tmp = self.element.val().trim();
if(tmp[tmp.length-1] == ',') {
self.element.val(tmp.substring(0, tmp.length-1));
} else {
self.element.val(tmp);
}
if(self.element.val().trim() != '') {
self.element.trigger('change'); // Changes wasn't saved when only using the dropdown.
}
});
this.element.bind( "keydown", function( event ) {
if ( event.keyCode === $.ui.keyCode.TAB &&
$( this ).data( "autocomplete" ).menu.active ) {
event.preventDefault();
}
})
.autocomplete({
minLength: 0,
source: function( request, response ) {
// delegate back to autocomplete, but extract the last term
response( $.ui.autocomplete.filter(
self.options.source, extractLast( request.term ) ) );
},
focus: function() {
// prevent value inserted on focus
return false;
},
select: function( event, ui ) {
var terms = split( this.value );
// remove the current input
terms.pop();
// add the selected item
terms.push( ui.item.value );
// add placeholder to get the comma-and-space at the end
terms.push( "" );
this.value = terms.join( ", " );
return false;
}
});
/*this.button = $( "<button type='button'>&nbsp;</button>" )
.attr( "tabIndex", -1 )
.attr( "title", "Show All Items" )
.insertAfter( this.element )
.addClass('svg')
.addClass('action')
.addClass('combo-button')
.click(function() {
// close if already visible
if ( self.element.autocomplete( "widget" ).is( ":visible" ) ) {
self.element.autocomplete( "close" );
return;
}
// work around a bug (likely same cause as #5265)
$( this ).blur();
var tmp = self.element.val().trim();
if(tmp[tmp.length-1] != ',') {
self.element.val(tmp+', ');
}
// pass empty string as value to search for, displaying all results
self.element.autocomplete( "search", "" );
self.element.focus();
});*/
},
});
})( jQuery );