template.js.plugins.jquery.combobox.js Maven / Gradle / Ivy
// Inspired from jquery UI Combobox Example
(function( $ ) {
$.widget( "s2j.combobox", {
options: {
icon: false
},
_create: function() {
this.wrapper = $( "" )
.addClass( "s2j-combobox" )
.insertAfter( this.element );
this.element.hide();
this._createAutocomplete();
if(this.options.icon === true){
this._createShowAllButton();
}
},
_createAutocomplete: function() {
var self = this.element;
var selected = this.element.children( ":selected" ),
value = selected.val() ? selected.text() : "";
this.input = $( "" )
.appendTo( this.wrapper )
.val( value )
.attr( "title", "" )
.addClass( "s2j-combobox-input" )
.autocomplete({
delay: 0,
minLength: 0,
source: $.proxy( this, "_source" )
});
this._on( this.input, {
autocompleteselect: function( event, ui ) {
ui.item.option.selected = true;
this._trigger( "select", event, {
item: ui.item.option
});
event.ui = ui;
if(this.options.onselecttopics) {
$.each(this.options.onselecttopics.split(','), function(i, sts) {
self.publish(sts, { item: ui.item }, event);
});
}
},
autocompletefocus: function( event, ui ) {
this._trigger( "focus", event, { item: ui.item } )
event.ui = ui;
if(this.options.onfocustopics ) {
$.each(this.options.onfocustopics .split(','), function(i, fts) {
self.publish(fts, { item: ui.item }, event);
});
}
},
autocompletechange: function( event, ui ) {
this._removeIfInvalid(event, ui);
if ( !ui.item ) {
var matcher = new RegExp( "^" + $.ui.autocomplete.escapeRegex( this.input.val() ) + "$", "i" ),
valid = false;
self.children( "option" ).each(function() {
if ( this.value.match( matcher ) ) {
this.selected = valid = true;
return false;
}
});
if ( !valid ) {
// remove invalid value, as it didn't match anything
$( this ).val( "" );
self.val( "" );
return false;
}
}
this._trigger( "change", event, { item: ui.item } );
event.ui = ui;
if(this.options.oncha) {
$.each(this.options.oncha.split(','), function(i, cts) {
self.publish(cts, { item: ui.item }, event);
});
}
}
});
},
_createShowAllButton: function() {
var input = this.input,
wasOpen = false;
$( "" )
.attr( "tabIndex", -1 )
.appendTo( this.wrapper )
.button({
icons: {
primary: "ui-icon-triangle-1-s"
},
text: false
})
.removeClass( "ui-corner-all" )
.addClass( "s2j-combobox-toggle ui-corner-right" )
.mousedown(function() {
wasOpen = input.autocomplete( "widget" ).is( ":visible" );
})
.click(function() {
input.focus();
// Close if already visible
if ( wasOpen ) {
return;
}
// Pass empty string as value to search for, displaying all results
input.autocomplete( "search", "" );
});
},
_source: function( request, response ) {
var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
response( this.element.children( "option" ).map(function() {
var text = $( this ).text();
if ( this.value && ( !request.term || matcher.test(text) ) )
return {
label: text,
value: text,
option: this
};
}) );
},
_removeIfInvalid: function( event, ui ) {
// Selected an item, nothing to do
if ( ui.item ) {
return;
}
// Search for a match (case-insensitive)
var value = this.input.val(),
valueLowerCase = value.toLowerCase(),
valid = false;
this.element.children( "option" ).each(function() {
if ( $( this ).text().toLowerCase() === valueLowerCase ) {
this.selected = valid = true;
return false;
}
});
// Found a match, nothing to do
if ( valid ) {
return;
}
// Remove invalid value
this.input
.val( "" );
this.element.val( "" );
this.input.data( "ui-autocomplete" ).term = "";
},
_destroy: function() {
this.wrapper.remove();
this.element.show();
}
});
})( jQuery );