jquery.combobox.js
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/**
* Inspired by http://jqueryui.com/demos/autocomplete/#combobox
*/
(function( $ ) {
$.widget('oc.combobox', {
options: {
id: null,
showButton: false,
editable: true,
singleclick: false,
},
_create: function() {
var self = this,
select = this.element.hide(),
selected = select.children(':selected'),
value = selected.val() ? selected.text() : '';
var name = this.element.attr('name');
//this.element.attr('name', 'old_' + name)
var input = this.input = $('<input type="text" />')
.insertAfter( select )
.val( value )
//.attr('name', name)
.autocomplete({
delay: 0,
minLength: 0,
source: function( request, response ) {
var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
response( select.children('option').map(function() {
var text = $( this ).text();
if ( this.value && ( !request.term || matcher.test(text) ) )
return {
label: text.replace(
new RegExp(
'(?![^&;]+;)(?!<[^<>]*)(' +
$.ui.autocomplete.escapeRegex(request.term) +
')(?![^<>]*>)(?![^&;]+;)', 'gi'
), '<strong>$1</strong>'),
value: text,
option: this
};
}) );
},
select: function( event, ui ) {
self.input.val($(ui.item.option).text());
self.input.trigger('change');
ui.item.option.selected = true;
self._trigger('selected', event, {
item: ui.item.option
});
select.children('option').each(function() {
if ($(this).text().toLowerCase() === $(ui.item.option).text().toLowerCase()) {
$(this).attr('selected', 'selected');
} else {
$(this).removeAttr('selected');
}
});
select.trigger('change');
},
change: function( event, ui ) {
if(!ui.item) {
var matcher = new RegExp( '^' + $.ui.autocomplete.escapeRegex($(this).val()) + '$', 'i'),
valid = false;
self.input.val($(this).val());
//self.input.trigger('change');
select.children('option').each(function() {
if ($(this).text().match(matcher)) {
this.selected = valid = true;
$(this).attr('selected', 'selected');
select.trigger('change');
//return false;
} else {
$(this).removeAttr('selected');
}
});
if ( !self.options['editable'] && !valid ) {
// remove invalid value, as it didn't match anything
$( this ).val( "" );
select.val( "" );
input.data('autocomplete').term = '';
return false;
} else if(!valid) {
select.append('<option selected="selected">' + $(this).val() + '</option>');
select.trigger('change');
}
}
}
})
.addClass('ui-widget ui-widget-content ui-corner-left');
input.data('uiAutocomplete')._renderItem = function( ul, item ) {
return $('<li></li>')
.data('item.autocomplete', item )
.append('<a>' + item.label + '</a>')
.appendTo( ul );
};
$.each(this.options, function(key, value) {
self._setOption(key, value);
});
var clickHandler = function(e) {
var w = self.input.autocomplete('widget');
if(w.is(':visible')) {
self.input.autocomplete('close');
} else {
input.autocomplete('search', '');
}
}
if(this.options['singleclick'] === true) {
input.click(clickHandler);
} else {
input.dblclick(clickHandler);
}
if(this.options['showButton']) {
this.button = $('<button type="button"> </button>')
.attr('tabIndex', -1 )
.attr('title', 'Show All Items')
.insertAfter( input )
.addClass('svg')
.addClass('action')
.addClass('combo-button')
.click(function() {
// close if already visible
if ( input.autocomplete('widget').is(':visible') ) {
input.autocomplete('close');
return;
}
// work around a bug (likely same cause as #5265)
$( this ).blur();
// pass empty string as value to search for, displaying all results
input.autocomplete('search', '');
input.focus();
});
}
},
destroy: function() {
this.input.remove();
//this.button.remove();
this.element.show();
$.Widget.prototype.destroy.call( this );
},
value: function(val) {
if(val != undefined) {
this.input.val(val);
} else {
return this.input.val();
}
},
_setOption: function( key, value ) {
switch( key ) {
case 'id':
this.options['id'] = value;
this.input.attr('id', value);
break;
case 'attributes':
var input = this.input;
$.each(this.options['attributes'], function(key, value) {
input.attr(key, value);
});
break;
case 'classes':
var input = this.input;
$.each(this.options['classes'], function(key, value) {
input.addClass(value);
});
break;
case 'editable':
case 'showButton':
this.options[key] = value;
break;
}
// In jQuery UI 1.8, you have to manually invoke the _setOption method from the base widget
$.Widget.prototype._setOption.apply( this, arguments );
// In jQuery UI 1.9 and above, you use the _super method instead
//this._super( "_setOption", key, value );
}
});
})( jQuery );