jquery.spin_wev8.js
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/**
* jquery.spin-button
* (c) 2008 Semooh (http://semooh.jp/)
*
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
**/
(function($){
$.fn.extend({
spin: function(opt){
return this.each(function(){
opt = $.extend({
imageBasePath: '/js/jquery/plugins/spin/',
spinBtnImage: 'spin-button_wev8.png',
spinUpImage: 'spin-up_wev8.png',
spinDownImage: 'spin-down_wev8.png',
interval: 1,
max: null,
min: null,
timeInterval: 500,
timeBlink: 200
}, opt || {});
var txt = $(this);
var spinBtnImage = opt.imageBasePath+opt.spinBtnImage;
var btnSpin = new Image();
btnSpin.src = spinBtnImage;
var spinUpImage = opt.imageBasePath+opt.spinUpImage;
var btnSpinUp = new Image();
btnSpinUp.src = spinUpImage;
var spinDownImage = opt.imageBasePath+opt.spinDownImage;
var btnSpinDown = new Image();
btnSpinDown.src = spinDownImage;
var btn = $(document.createElement('img'));
btn.attr('src', spinBtnImage);
btn.css({cursor: 'pointer', verticalAlign: 'bottom', padding: 0, margin: 0});
txt.after(btn);
txt.css({marginRight:0, paddingRight:0});
function spin(vector){
var val = txt.val();
if(!isNaN(val)){
val = parseFloat(val) + (vector*opt.interval);
if(opt.min!=null && val<opt.min) val=opt.min;
if(opt.min!=null && val>opt.max) val=opt.max;
if(val != txt.val()){
txt.val(val);
txt.change();
src = (vector > 0 ? spinUpImage : spinDownImage);
btn.attr('src', src);
if(opt.timeBlink<opt.timeInterval)
setTimeout(function(){btn.attr('src', spinBtnImage);}, opt.timeBlink);
}
}
}
btn.mousedown(function(e){
var pos = e.pageY - btn.offset().top;
var vector = (btn.height()/2 > pos ? 1 : -1);
(function(){
spin(vector);
var tk = setTimeout(arguments.callee, opt.timeInterval);
$(document).one('mouseup', function(){
clearTimeout(tk); btn.attr('src', spinBtnImage);
});
})();
return false;
});
});
}
});
})(jQuery);