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December 28, 2015 17:39
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Stub of a select menu replacement. Currently useless, but will be handy when it can be tied to a form element to change its value, and base its options on an existing <select> menu.
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// Implemented like this: | |
$(document).ready( function ( ) { | |
var Chooser = new Menu ( "#select", [ | |
{ label : "First Item", value : "1" }, | |
{ label : "Second Item", value : "2" }, | |
{ label : "Your Mother's Item", value : "3" } | |
]); | |
}) | |
/* | |
The Menu manager: | |
*/ | |
function Menu ( el , opts ) { | |
var self = this; | |
self.el = $(el); | |
self.options = []; | |
self.open = false; | |
self.init( opts ); | |
} | |
Menu.prototype = { | |
init : function ( opts ) { | |
var self = this; | |
for ( var o = 0; o < opts.length; o++ ) { | |
self.options.push( new Option( opts[o] , this ) ); | |
} | |
self.choose(0); | |
self.listen(); | |
self.close(); | |
}, | |
listen : function ( ) { | |
var self = this; | |
$(self.el).on( 'click' , '.item' , function ( ) { | |
if ( self.open ) { | |
self.choose($(this).index(".item")); | |
} else { | |
self.expand(); | |
} | |
}); | |
}, | |
expand : function ( ) { | |
var self = this; | |
for ( var o = 0; o < self.options.length; o++ ) { | |
self.options[o].show(); | |
} | |
self.el.addClass('open'); | |
self.open = true; | |
}, | |
close : function ( ) { | |
var self = this; | |
for ( var o = 0; o < self.options.length; o++ ) { | |
if ( ! self.options[o].active ) { | |
self.options[o].hide(); | |
} | |
} | |
self.el.removeClass('open'); | |
self.open = false; | |
}, | |
choose : function ( index ) { | |
var self = this; | |
for ( var o = 0; o < self.options.length; o++ ) { | |
self.options[o].active = false; | |
} | |
self.options[index].active = true; | |
self.close(); | |
} | |
}; | |
/* | |
Each Option: | |
*/ | |
function Option ( opt , group ) { | |
var self = this; | |
self.group = group; | |
self.active = false; | |
self.label = opt.label; | |
self.value = opt.value || opt.label; | |
self.init(); | |
} | |
Option.prototype = { | |
init : function ( ) { | |
var self = this; | |
self.el = $("<div />").addClass("item").data('value',self.value).text(self.label); | |
self.el.appendTo(self.group.el); | |
}, | |
show : function ( ) { | |
var self = this; | |
self.el.slideDown(100); | |
}, | |
hide : function ( ) { | |
var self = this; | |
self.el.slideUp(100); | |
}, | |
pick : function ( ) { | |
var self = this; | |
self.active = true; | |
} | |
}; |
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