app/jquery/jquery-spin-1.0.2.js
author Sverre Rabbelier <srabbelier@gmail.com>
Sun, 15 Mar 2009 13:36:14 +0000
changeset 1865 f00720cddea0
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permissions -rw-r--r--
Remove key_order from 'list accepted orgs' view Patch by: Sverre Rabbelier
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/**
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 *  jquery.spin-button
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 *  (c) 2008 Semooh (http://semooh.jp/)
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 *
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 *  Dual licensed under the MIT (MIT-LICENSE.txt)
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 *  and GPL (GPL-LICENSE.txt) licenses.
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 *
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 **/
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(function($){
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  $.fn.extend({
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    spin: function(opt){
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      return this.each(function(){
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        opt = $.extend({
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            imageBasePath: '/soc/content/images/',
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            spinBtnImage: 'spin-button.png',
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            spinUpImage: 'spin-up.png',
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            spinDownImage: 'spin-down.png',
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            interval: 1,
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            max: null,
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            min: null,
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            timeInterval: 500,
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            timeBlink: 200
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          }, opt || {});
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        var txt = $(this);
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        var spinBtnImage = opt.imageBasePath+opt.spinBtnImage;
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        var btnSpin = new Image();
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        btnSpin.src = spinBtnImage;
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        var spinUpImage = opt.imageBasePath+opt.spinUpImage;
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        var btnSpinUp = new Image();
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        btnSpinUp.src = spinUpImage;
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        var spinDownImage = opt.imageBasePath+opt.spinDownImage;
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        var btnSpinDown = new Image();
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        btnSpinDown.src = spinDownImage;
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        var btn = $(document.createElement('img'));
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        btn.attr('src', spinBtnImage);
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        btn.css({cursor: 'pointer', verticalAlign: 'bottom', padding: 0, margin: 0});
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        txt.after(btn);
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        txt.css({marginRight:0, paddingRight:0});
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        function spin(vector){
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          var val = txt.val();
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          if(!isNaN(val)){
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            val = parseFloat(val) + (vector*opt.interval);
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            if(opt.min!=null && val<opt.min) val=opt.min;
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            if(opt.min!=null && val>opt.max) val=opt.max;
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            if(val != txt.val()){
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              txt.val(val);
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              txt.change();
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              src = (vector > 0 ? spinUpImage : spinDownImage);
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              btn.attr('src', src);
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              if(opt.timeBlink<opt.timeInterval)
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                setTimeout(function(){btn.attr('src', spinBtnImage);}, opt.timeBlink);
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            }
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          }
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        }
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        btn.mousedown(function(e){
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          var pos = e.pageY - btn.offset().top;
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          var vector = (btn.height()/2 > pos ? 1 : -1);
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          (function(){
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            spin(vector);
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            var tk = setTimeout(arguments.callee, opt.timeInterval);
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            $(document).one('mouseup', function(){
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              clearTimeout(tk); btn.attr('src', spinBtnImage);
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            });
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          })();
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          return false;
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        });
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      });
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    }
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  });
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})(jQuery);