// MooTools: the javascript framework.
// Load this file's selection again by visiting: http://mootools.net/more/e05eb93e48601b00936e110baf366039 
// Or build this file again with packager using: packager build More/Slider
/*
---
copyrights:
  - [MooTools](http://mootools.net)

licenses:
  - [MIT License](http://mootools.net/license.txt)
...
*/
MooTools.More={version:"1.3.2.1",build:"e586bcd2496e9b22acfde32e12f84d49ce09e59d"};Class.Mutators.Binds=function(a){if(!this.prototype.initialize){this.implement("initialize",function(){});
}return Array.from(a).concat(this.prototype.Binds||[]);};Class.Mutators.initialize=function(a){return function(){Array.from(this.Binds).each(function(b){var c=this[b];
if(c){this[b]=c.bind(this);}},this);return a.apply(this,arguments);};};var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:"px",grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,stopPropagation:false,modifiers:{x:"left",y:"top"}},initialize:function(){var b=Array.link(arguments,{options:Type.isObject,element:function(c){return c!=null;
}});this.element=document.id(b.element);this.document=this.element.getDocument();this.setOptions(b.options||{});var a=typeOf(this.options.handle);this.handles=((a=="array"||a=="collection")?$$(this.options.handle):document.id(this.options.handle))||this.element;
this.mouse={now:{},pos:{}};this.value={start:{},now:{}};this.selection=(Browser.ie)?"selectstart":"mousedown";if(Browser.ie&&!Drag.ondragstartFixed){document.ondragstart=Function.from(false);
Drag.ondragstartFixed=true;}this.bound={start:this.start.bind(this),check:this.check.bind(this),drag:this.drag.bind(this),stop:this.stop.bind(this),cancel:this.cancel.bind(this),eventStop:Function.from(false)};
this.attach();},attach:function(){this.handles.addEvent("mousedown",this.bound.start);return this;},detach:function(){this.handles.removeEvent("mousedown",this.bound.start);
return this;},start:function(a){var j=this.options;if(a.rightClick){return;}if(j.preventDefault){a.preventDefault();}if(j.stopPropagation){a.stopPropagation();
}this.mouse.start=a.page;this.fireEvent("beforeStart",this.element);var c=j.limit;this.limit={x:[],y:[]};var e,g;for(e in j.modifiers){if(!j.modifiers[e]){continue;
}var b=this.element.getStyle(j.modifiers[e]);if(b&&!b.match(/px$/)){if(!g){g=this.element.getCoordinates(this.element.getOffsetParent());}b=g[j.modifiers[e]];
}if(j.style){this.value.now[e]=(b||0).toInt();}else{this.value.now[e]=this.element[j.modifiers[e]];}if(j.invert){this.value.now[e]*=-1;}this.mouse.pos[e]=a.page[e]-this.value.now[e];
if(c&&c[e]){var d=2;while(d--){var f=c[e][d];if(f||f===0){this.limit[e][d]=(typeof f=="function")?f():f;}}}}if(typeOf(this.options.grid)=="number"){this.options.grid={x:this.options.grid,y:this.options.grid};
}var h={mousemove:this.bound.check,mouseup:this.bound.cancel};h[this.selection]=this.bound.eventStop;this.document.addEvents(h);},check:function(a){if(this.options.preventDefault){a.preventDefault();
}var b=Math.round(Math.sqrt(Math.pow(a.page.x-this.mouse.start.x,2)+Math.pow(a.page.y-this.mouse.start.y,2)));if(b>this.options.snap){this.cancel();this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop});
this.fireEvent("start",[this.element,a]).fireEvent("snap",this.element);}},drag:function(b){var a=this.options;if(a.preventDefault){b.preventDefault();
}this.mouse.now=b.page;for(var c in a.modifiers){if(!a.modifiers[c]){continue;}this.value.now[c]=this.mouse.now[c]-this.mouse.pos[c];if(a.invert){this.value.now[c]*=-1;
}if(a.limit&&this.limit[c]){if((this.limit[c][1]||this.limit[c][1]===0)&&(this.value.now[c]>this.limit[c][1])){this.value.now[c]=this.limit[c][1];}else{if((this.limit[c][0]||this.limit[c][0]===0)&&(this.value.now[c]<this.limit[c][0])){this.value.now[c]=this.limit[c][0];
}}}if(a.grid[c]){this.value.now[c]-=((this.value.now[c]-(this.limit[c][0]||0))%a.grid[c]);}if(a.style){this.element.setStyle(a.modifiers[c],this.value.now[c]+a.unit);
}else{this.element[a.modifiers[c]]=this.value.now[c];}}this.fireEvent("drag",[this.element,b]);},cancel:function(a){this.document.removeEvents({mousemove:this.bound.check,mouseup:this.bound.cancel});
if(a){this.document.removeEvent(this.selection,this.bound.eventStop);this.fireEvent("cancel",this.element);}},stop:function(b){var a={mousemove:this.bound.drag,mouseup:this.bound.stop};
a[this.selection]=this.bound.eventStop;this.document.removeEvents(a);if(b){this.fireEvent("complete",[this.element,b]);}}});Element.implement({makeResizable:function(a){var b=new Drag(this,Object.merge({modifiers:{x:"width",y:"height"}},a));
this.store("resizer",b);return b.addEvent("drag",function(){this.fireEvent("resize",b);}.bind(this));}});(function(){var b=function(e,d){var f=[];Object.each(d,function(g){Object.each(g,function(h){e.each(function(i){f.push(i+"-"+h+(i=="border"?"-width":""));
});});});return f;};var c=function(f,e){var d=0;Object.each(e,function(h,g){if(g.test(f)){d=d+h.toInt();}});return d;};var a=function(d){return !!(!d||d.offsetHeight||d.offsetWidth);
};Element.implement({measure:function(h){if(a(this)){return h.call(this);}var g=this.getParent(),e=[];while(!a(g)&&g!=document.body){e.push(g.expose());
g=g.getParent();}var f=this.expose(),d=h.call(this);f();e.each(function(i){i();});return d;},expose:function(){if(this.getStyle("display")!="none"){return function(){};
}var d=this.style.cssText;this.setStyles({display:"block",position:"absolute",visibility:"hidden"});return function(){this.style.cssText=d;}.bind(this);
},getDimensions:function(d){d=Object.merge({computeSize:false},d);var i={x:0,y:0};var h=function(j,e){return(e.computeSize)?j.getComputedSize(e):j.getSize();
};var f=this.getParent("body");if(f&&this.getStyle("display")=="none"){i=this.measure(function(){return h(this,d);});}else{if(f){try{i=h(this,d);}catch(g){}}}return Object.append(i,(i.x||i.x===0)?{width:i.x,height:i.y}:{x:i.width,y:i.height});
},getComputedSize:function(d){d=Object.merge({styles:["padding","border"],planes:{height:["top","bottom"],width:["left","right"]},mode:"both"},d);var g={},e={width:0,height:0},f;
if(d.mode=="vertical"){delete e.width;delete d.planes.width;}else{if(d.mode=="horizontal"){delete e.height;delete d.planes.height;}}b(d.styles,d.planes).each(function(h){g[h]=this.getStyle(h).toInt();
},this);Object.each(d.planes,function(i,h){var k=h.capitalize(),j=this.getStyle(h);if(j=="auto"&&!f){f=this.getDimensions();}j=g[h]=(j=="auto")?f[h]:j.toInt();
e["total"+k]=j;i.each(function(m){var l=c(m,g);e["computed"+m.capitalize()]=l;e["total"+k]+=l;});},this);return Object.append(e,g);}});})();var Slider=new Class({Implements:[Events,Options],Binds:["clickedElement","draggedKnob","scrolledElement"],options:{onTick:function(a){this.setKnobPosition(a);
},initialStep:0,snap:false,offset:0,range:false,wheel:false,steps:100,mode:"horizontal"},initialize:function(f,a,e){this.setOptions(e);e=this.options;this.element=document.id(f);
a=this.knob=document.id(a);this.previousChange=this.previousEnd=this.step=-1;var b={},d={x:false,y:false};switch(e.mode){case"vertical":this.axis="y";this.property="top";
this.offset="offsetHeight";break;case"horizontal":this.axis="x";this.property="left";this.offset="offsetWidth";}this.setSliderDimensions();this.setRange(e.range);
if(a.getStyle("position")=="static"){a.setStyle("position","relative");}a.setStyle(this.property,-e.offset);d[this.axis]=this.property;b[this.axis]=[-e.offset,this.full-e.offset];
var c={snap:0,limit:b,modifiers:d,onDrag:this.draggedKnob,onStart:this.draggedKnob,onBeforeStart:(function(){this.isDragging=true;}).bind(this),onCancel:function(){this.isDragging=false;
}.bind(this),onComplete:function(){this.isDragging=false;this.draggedKnob();this.end();}.bind(this)};if(e.snap){this.setSnap(c);}this.drag=new Drag(a,c);
this.attach();if(e.initialStep!=null){this.set(e.initialStep);}},attach:function(){this.element.addEvent("mousedown",this.clickedElement);if(this.options.wheel){this.element.addEvent("mousewheel",this.scrolledElement);
}this.drag.attach();return this;},detach:function(){this.element.removeEvent("mousedown",this.clickedElement).removeEvent("mousewheel",this.scrolledElement);
this.drag.detach();return this;},autosize:function(){this.setSliderDimensions().setKnobPosition(this.toPosition(this.step));this.drag.options.limit[this.axis]=[-this.options.offset,this.full-this.options.offset];
if(this.options.snap){this.setSnap();}return this;},setSnap:function(a){if(!a){a=this.drag.options;}a.grid=Math.ceil(this.stepWidth);a.limit[this.axis][1]=this.full;
return this;},setKnobPosition:function(a){if(this.options.snap){a=this.toPosition(this.step);}this.knob.setStyle(this.property,a);return this;},setSliderDimensions:function(){this.full=this.element.measure(function(){this.half=this.knob[this.offset]/2;
return this.element[this.offset]-this.knob[this.offset]+(this.options.offset*2);}.bind(this));return this;},set:function(a){if(!((this.range>0)^(a<this.min))){a=this.min;
}if(!((this.range>0)^(a>this.max))){a=this.max;}this.step=Math.round(a);return this.checkStep().fireEvent("tick",this.toPosition(this.step)).end();},setRange:function(a,b){this.min=Array.pick([a[0],0]);
this.max=Array.pick([a[1],this.options.steps]);this.range=this.max-this.min;this.steps=this.options.steps||this.full;this.stepSize=Math.abs(this.range)/this.steps;
this.stepWidth=this.stepSize*this.full/Math.abs(this.range);if(a){this.set(Array.pick([b,this.step]).floor(this.min).max(this.max));}return this;},clickedElement:function(c){if(this.isDragging||c.target==this.knob){return;
}var b=this.range<0?-1:1,a=c.page[this.axis]-this.element.getPosition()[this.axis]-this.half;a=a.limit(-this.options.offset,this.full-this.options.offset);
this.step=Math.round(this.min+b*this.toStep(a));this.checkStep().fireEvent("tick",a).end();},scrolledElement:function(a){var b=(this.options.mode=="horizontal")?(a.wheel<0):(a.wheel>0);
this.set(this.step+(b?-1:1)*this.stepSize);a.stop();},draggedKnob:function(){var b=this.range<0?-1:1,a=this.drag.value.now[this.axis];a=a.limit(-this.options.offset,this.full-this.options.offset);
this.step=Math.round(this.min+b*this.toStep(a));this.checkStep();},checkStep:function(){var a=this.step;if(this.previousChange!=a){this.previousChange=a;
this.fireEvent("change",a);}return this;},end:function(){var a=this.step;if(this.previousEnd!==a){this.previousEnd=a;this.fireEvent("complete",a+"");}return this;
},toStep:function(a){var b=(a+this.options.offset)*this.stepSize/this.full*this.steps;return this.options.steps?Math.round(b-=b%this.stepSize):b;},toPosition:function(a){return(this.full*Math.abs(this.min-a))/(this.steps*this.stepSize)-this.options.offset;
}});
