/*
 * jQuery UI Slider
 *
 * Copyright (c) 2008 Paul Bakaus
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Slider
 *
 * Depends:
 *  ui.core.js
 */
(function($){$.fn.unwrap=$.fn.unwrap||function(expr){return this.each(function(){$(this).parents(expr).eq(0).after(this).remove()})};$.widget("ui.slider",{plugins:{},ui:function(e){return{options:this.options,handle:this.currentHandle,value:this.options.axis!="both"||!this.options.axis?Math.round(this.value(null,this.options.axis=="vertical"?"y":"x")):{x:Math.round(this.value(null,"x")),y:Math.round(this.value(null,"y"))},range:this.getRange()}},propagate:function(n,e){$.ui.plugin.call(this,n,[e,this.ui()]);this.element.triggerHandler(n=="slide"?n:"slide"+n,[e,this.ui()],this.options[n])},destroy:function(){this.element.removeClass("ui-slider ui-slider-disabled").removeData("slider").unbind(".slider");if(this.handle&&this.handle.length){this.handle.unwrap("a");this.handle.each(function(){$(this).data("mouse").mouseDestroy()})}this.generated&&this.generated.remove()},setData:function(key,value){$.widget.prototype.setData.apply(this,arguments);if(/min|max|steps/.test(key)){this.initBoundaries()}if(key=="range"){value?this.handle.length==2&&this.createRange():this.removeRange()}},init:function(){var self=this;this.element.addClass("ui-slider");this.initBoundaries();this.handle=$(this.options.handle,this.element);if(!this.handle.length){self.handle=self.generated=$(self.options.handles||[0]).map(function(){var handle=$("<div/>").addClass("ui-slider-handle").appendTo(self.element);if(this.id){handle.attr("id",this.id)}return handle[0]})}var handleclass=function(el){this.element=$(el);this.element.data("mouse",this);this.options=self.options;this.element.bind("mousedown",function(){if(self.currentHandle){this.blur(self.currentHandle)}self.focus(this,1)});this.mouseInit()};$.extend(handleclass.prototype,$.ui.mouse,{mouseStart:function(e){return self.start.call(self,e,this.element[0])},mouseStop:function(e){return self.stop.call(self,e,this.element[0])},mouseDrag:function(e){return self.drag.call(self,e,this.element[0])},mouseCapture:function(){return true},trigger:function(e){this.mouseDown(e)}});$(this.handle).each(function(){new handleclass(this)}).wrap('<a href="javascript:void(0)" style="outline:none;border:none;"></a>').parent().bind("focus",function(e){self.focus(this.firstChild)}).bind("blur",function(e){self.blur(this.firstChild)}).bind("keydown",function(e){if(!self.options.noKeyboard){self.keydown(e.keyCode,this.firstChild)}});this.element.bind("mousedown.slider",function(e){self.click.apply(self,[e]);self.currentHandle.data("mouse").trigger(e);self.firstValue=self.firstValue+1});$.each(this.options.handles||[],function(index,handle){self.moveTo(handle.start,index,true)});if(!isNaN(this.options.startValue)){this.moveTo(this.options.startValue,0,true)}this.previousHandle=$(this.handle[0]);if(this.handle.length==2&&this.options.range){this.createRange()}},initBoundaries:function(){var element=this.element[0],o=this.options;this.actualSize={width:this.element.outerWidth(),height:this.element.outerHeight()};$.extend(o,{axis:o.axis||(element.offsetWidth<element.offsetHeight?"vertical":"horizontal"),max:!isNaN(parseInt(o.max,10))?{x:parseInt(o.max,10),y:parseInt(o.max,10)}:({x:o.max&&o.max.x||100,y:o.max&&o.max.y||100}),min:!isNaN(parseInt(o.min,10))?{x:parseInt(o.min,10),y:parseInt(o.min,10)}:({x:o.min&&o.min.x||0,y:o.min&&o.min.y||0})});o.realMax={x:o.max.x-o.min.x,y:o.max.y-o.min.y};o.stepping={x:o.stepping&&o.stepping.x||parseInt(o.stepping,10)||(o.steps?o.realMax.x/(o.steps.x||parseInt(o.steps,10)||o.realMax.x):0),y:o.stepping&&o.stepping.y||parseInt(o.stepping,10)||(o.steps?o.realMax.y/(o.steps.y||parseInt(o.steps,10)||o.realMax.y):0)}},keydown:function(keyCode,handle){if(/(37|38|39|40)/.test(keyCode)){this.moveTo({x:/(37|39)/.test(keyCode)?(keyCode==37?"-":"+")+"="+this.oneStep("x"):0,y:/(38|40)/.test(keyCode)?(keyCode==38?"-":"+")+"="+this.oneStep("y"):0},handle)}},focus:function(handle,hard){this.currentHandle=$(handle).addClass("ui-slider-handle-active");if(hard){this.currentHandle.parent()[0].focus()}},blur:function(handle){$(handle).removeClass("ui-slider-handle-active");if(this.currentHandle&&this.currentHandle[0]==handle){this.previousHandle=this.currentHandle;this.currentHandle=null}},click:function(e){var pointer=[e.pageX,e.pageY];var clickedHandle=false;this.handle.each(function(){if(this==e.target){clickedHandle=true}});if(clickedHandle||this.options.disabled||!(this.currentHandle||this.previousHandle)){return}if(!this.currentHandle&&this.previousHandle){this.focus(this.previousHandle,true)}this.offset=this.element.offset();this.moveTo({y:this.convertValue(e.pageY-this.offset.top-this.currentHandle[0].offsetHeight/2,"y"),x:this.convertValue(e.pageX-this.offset.left-this.currentHandle[0].offsetWidth/2,"x")},null,!this.options.distance)},createRange:function(){if(this.rangeElement){return}this.rangeElement=$("<div></div>").addClass("ui-slider-range").css({position:"absolute"}).appendTo(this.element);this.updateRange()},removeRange:function(){this.rangeElement.remove();this.rangeElement=null},updateRange:function(){var prop=this.options.axis=="vertical"?"top":"left";var size=this.options.axis=="vertical"?"height":"width";this.rangeElement.css(prop,(parseInt($(this.handle[0]).css(prop),10)||0)+this.handleSize(0,this.options.axis=="vertical"?"y":"x")/2);this.rangeElement.css(size,(parseInt($(this.handle[1]).css(prop),10)||0)-(parseInt($(this.handle[0]).css(prop),10)||0))},getRange:function(){return this.rangeElement?this.convertValue(parseInt(this.rangeElement.css(this.options.axis=="vertical"?"height":"width"),10),this.options.axis=="vertical"?"y":"x"):null},handleIndex:function(){return this.handle.index(this.currentHandle[0])},value:function(handle,axis){if(this.handle.length==1){this.currentHandle=this.handle}if(!axis){axis=this.options.axis=="vertical"?"y":"x"}var curHandle=$(handle!=undefined&&handle!==null?this.handle[handle]||handle:this.currentHandle);if(curHandle.data("mouse").sliderValue){return parseInt(curHandle.data("mouse").sliderValue[axis],10)}else{return parseInt(((parseInt(curHandle.css(axis=="x"?"left":"top"),10)/(this.actualSize[axis=="x"?"width":"height"]-this.handleSize(handle,axis)))*this.options.realMax[axis])+this.options.min[axis],10)}},convertValue:function(value,axis){return this.options.min[axis]+(value/(this.actualSize[axis=="x"?"width":"height"]-this.handleSize(null,axis)))*this.options.realMax[axis]},translateValue:function(value,axis){return((value-this.options.min[axis])/this.options.realMax[axis])*(this.actualSize[axis=="x"?"width":"height"]-this.handleSize(null,axis))},translateRange:function(value,axis){if(this.rangeElement){if(this.currentHandle[0]==this.handle[0]&&value>=this.translateValue(this.value(1),axis)){value=this.translateValue(this.value(1,axis)-this.oneStep(axis),axis)}if(this.currentHandle[0]==this.handle[1]&&value<=this.translateValue(this.value(0),axis)){value=this.translateValue(this.value(0,axis)+this.oneStep(axis),axis)}}if(this.options.handles){var handle=this.options.handles[this.handleIndex()];if(value<this.translateValue(handle.min,axis)){value=this.translateValue(handle.min,axis)}else{if(value>this.translateValue(handle.max,axis)){value=this.translateValue(handle.max,axis)}}}return value},translateLimits:function(value,axis){if(value>=this.actualSize[axis=="x"?"width":"height"]-this.handleSize(null,axis)){value=this.actualSize[axis=="x"?"width":"height"]-this.handleSize(null,axis)}if(value<=0){value=0}return value},handleSize:function(handle,axis){return $(handle!=undefined&&handle!==null?this.handle[handle]:this.currentHandle)[0]["offset"+(axis=="x"?"Width":"Height")]},oneStep:function(axis){return this.options.stepping[axis]||1},start:function(e,handle){var o=this.options;if(o.disabled){return false}this.actualSize={width:this.element.outerWidth(),height:this.element.outerHeight()};if(!this.currentHandle){this.focus(this.previousHandle,true)}this.offset=this.element.offset();this.handleOffset=this.currentHandle.offset();this.clickOffset={top:e.pageY-this.handleOffset.top,left:e.pageX-this.handleOffset.left};this.firstValue=this.value();this.propagate("start",e);this.drag(e,handle);return true},stop:function(e){this.propagate("stop",e);if(this.firstValue!=this.value()){this.propagate("change",e)}this.focus(this.currentHandle,true);return false},drag:function(e,handle){var o=this.options;var position={top:e.pageY-this.offset.top-this.clickOffset.top,left:e.pageX-this.offset.left-this.clickOffset.left};if(!this.currentHandle){this.focus(this.previousHandle,true)}position.left=this.translateLimits(position.left,"x");position.top=this.translateLimits(position.top,"y");if(o.stepping.x){var value=this.convertValue(position.left,"x");value=Math.round(value/o.stepping.x)*o.stepping.x;position.left=this.translateValue(value,"x")}if(o.stepping.y){var value=this.convertValue(position.top,"y");value=Math.round(value/o.stepping.y)*o.stepping.y;position.top=this.translateValue(value,"y")}position.left=this.translateRange(position.left,"x");position.top=this.translateRange(position.top,"y");if(o.axis!="vertical"){this.currentHandle.css({left:position.left})}if(o.axis!="horizontal"){this.currentHandle.css({top:position.top})}this.currentHandle.data("mouse").sliderValue={x:Math.round(this.convertValue(position.left,"x"))||0,y:Math.round(this.convertValue(position.top,"y"))||0};if(this.rangeElement){this.updateRange()}this.propagate("slide",e);return false},moveTo:function(value,handle,noPropagation){var o=this.options;this.actualSize={width:this.element.outerWidth(),height:this.element.outerHeight()};if(handle==undefined&&!this.currentHandle&&this.handle.length!=1){return false}if(handle==undefined&&!this.currentHandle){handle=0}if(handle!=undefined){this.currentHandle=this.previousHandle=$(this.handle[handle]||handle)}if(value.x!==undefined&&value.y!==undefined){var x=value.x,y=value.y}else{var x=value,y=value}if(x!==undefined&&x.constructor!=Number){var me=/^\-\=/.test(x),pe=/^\+\=/.test(x);if(me||pe){x=this.value(null,"x")+parseInt(x.replace(me?"=":"+=",""),10)}else{x=isNaN(parseInt(x,10))?undefined:parseInt(x,10)}}if(y!==undefined&&y.constructor!=Number){var me=/^\-\=/.test(y),pe=/^\+\=/.test(y);if(me||pe){y=this.value(null,"y")+parseInt(y.replace(me?"=":"+=",""),10)}else{y=isNaN(parseInt(y,10))?undefined:parseInt(y,10)}}if(o.axis!="vertical"&&x!==undefined){if(o.stepping.x){x=Math.round(x/o.stepping.x)*o.stepping.x}x=this.translateValue(x,"x");x=this.translateLimits(x,"x");x=this.translateRange(x,"x");o.animate?this.currentHandle.stop().animate({left:x},(Math.abs(parseInt(this.currentHandle.css("left"))-x))*(!isNaN(parseInt(o.animate))?o.animate:5)):this.currentHandle.css({left:x})}if(o.axis!="horizontal"&&y!==undefined){if(o.stepping.y){y=Math.round(y/o.stepping.y)*o.stepping.y}y=this.translateValue(y,"y");y=this.translateLimits(y,"y");y=this.translateRange(y,"y");o.animate?this.currentHandle.stop().animate({top:y},(Math.abs(parseInt(this.currentHandle.css("top"))-y))*(!isNaN(parseInt(o.animate))?o.animate:5)):this.currentHandle.css({top:y})}if(this.rangeElement){this.updateRange()}this.currentHandle.data("mouse").sliderValue={x:Math.round(this.convertValue(x,"x"))||0,y:Math.round(this.convertValue(y,"y"))||0};if(!noPropagation){this.propagate("start",null);this.propagate("stop",null);this.propagate("change",null);this.propagate("slide",null)}}});$.ui.slider.getter="value";$.ui.slider.defaults={handle:".ui-slider-handle",distance:1,animate:false}})(jQuery);