34 lines
10 KiB
JavaScript
34 lines
10 KiB
JavaScript
/*
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* jQuery UI Slider 1.8.5
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*
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* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*
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* http://docs.jquery.com/UI/Slider
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.mouse.js
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* jquery.ui.widget.js
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*/
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(function(d){d.widget("ui.slider",d.ui.mouse,{widgetEventPrefix:"slide",options:{animate:false,distance:0,max:100,min:0,orientation:"horizontal",range:false,step:1,value:0,values:null},_create:function(){var a=this,b=this.options;this._mouseSliding=this._keySliding=false;this._animateOff=true;this._handleIndex=null;this._detectOrientation();this._mouseInit();this.element.addClass("ui-slider ui-slider-"+this.orientation+" ui-widget ui-widget-content ui-corner-all");b.disabled&&this.element.addClass("ui-slider-disabled ui-disabled");
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this.range=d([]);if(b.range){if(b.range===true){this.range=d("<div></div>");if(!b.values)b.values=[this._valueMin(),this._valueMin()];if(b.values.length&&b.values.length!==2)b.values=[b.values[0],b.values[0]]}else this.range=d("<div></div>");this.range.appendTo(this.element).addClass("ui-slider-range");if(b.range==="min"||b.range==="max")this.range.addClass("ui-slider-range-"+b.range);this.range.addClass("ui-widget-header")}d(".ui-slider-handle",this.element).length===0&&d("<a href='#'></a>").appendTo(this.element).addClass("ui-slider-handle");
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if(b.values&&b.values.length)for(;d(".ui-slider-handle",this.element).length<b.values.length;)d("<a href='#'></a>").appendTo(this.element).addClass("ui-slider-handle");this.handles=d(".ui-slider-handle",this.element).addClass("ui-state-default ui-corner-all");this.handle=this.handles.eq(0);this.handles.add(this.range).filter("a").click(function(c){c.preventDefault()}).hover(function(){b.disabled||d(this).addClass("ui-state-hover")},function(){d(this).removeClass("ui-state-hover")}).focus(function(){if(b.disabled)d(this).blur();
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else{d(".ui-slider .ui-state-focus").removeClass("ui-state-focus");d(this).addClass("ui-state-focus")}}).blur(function(){d(this).removeClass("ui-state-focus")});this.handles.each(function(c){d(this).data("index.ui-slider-handle",c)});this.handles.keydown(function(c){var e=true,f=d(this).data("index.ui-slider-handle"),h,g,i;if(!a.options.disabled){switch(c.keyCode){case d.ui.keyCode.HOME:case d.ui.keyCode.END:case d.ui.keyCode.PAGE_UP:case d.ui.keyCode.PAGE_DOWN:case d.ui.keyCode.UP:case d.ui.keyCode.RIGHT:case d.ui.keyCode.DOWN:case d.ui.keyCode.LEFT:e=
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false;if(!a._keySliding){a._keySliding=true;d(this).addClass("ui-state-active");h=a._start(c,f);if(h===false)return}break}i=a.options.step;h=a.options.values&&a.options.values.length?(g=a.values(f)):(g=a.value());switch(c.keyCode){case d.ui.keyCode.HOME:g=a._valueMin();break;case d.ui.keyCode.END:g=a._valueMax();break;case d.ui.keyCode.PAGE_UP:g=a._trimAlignValue(h+(a._valueMax()-a._valueMin())/5);break;case d.ui.keyCode.PAGE_DOWN:g=a._trimAlignValue(h-(a._valueMax()-a._valueMin())/5);break;case d.ui.keyCode.UP:case d.ui.keyCode.RIGHT:if(h===
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a._valueMax())return;g=a._trimAlignValue(h+i);break;case d.ui.keyCode.DOWN:case d.ui.keyCode.LEFT:if(h===a._valueMin())return;g=a._trimAlignValue(h-i);break}a._slide(c,f,g);return e}}).keyup(function(c){var e=d(this).data("index.ui-slider-handle");if(a._keySliding){a._keySliding=false;a._stop(c,e);a._change(c,e);d(this).removeClass("ui-state-active")}});this._refreshValue();this._animateOff=false},destroy:function(){this.handles.remove();this.range.remove();this.element.removeClass("ui-slider ui-slider-horizontal ui-slider-vertical ui-slider-disabled ui-widget ui-widget-content ui-corner-all").removeData("slider").unbind(".slider");
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this._mouseDestroy();return this},_mouseCapture:function(a){var b=this.options,c,e,f,h,g;if(b.disabled)return false;this.elementSize={width:this.element.outerWidth(),height:this.element.outerHeight()};this.elementOffset=this.element.offset();c=this._normValueFromMouse({x:a.pageX,y:a.pageY});e=this._valueMax()-this._valueMin()+1;h=this;this.handles.each(function(i){var j=Math.abs(c-h.values(i));if(e>j){e=j;f=d(this);g=i}});if(b.range===true&&this.values(1)===b.min){g+=1;f=d(this.handles[g])}if(this._start(a,
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g)===false)return false;this._mouseSliding=true;h._handleIndex=g;f.addClass("ui-state-active").focus();b=f.offset();this._clickOffset=!d(a.target).parents().andSelf().is(".ui-slider-handle")?{left:0,top:0}:{left:a.pageX-b.left-f.width()/2,top:a.pageY-b.top-f.height()/2-(parseInt(f.css("borderTopWidth"),10)||0)-(parseInt(f.css("borderBottomWidth"),10)||0)+(parseInt(f.css("marginTop"),10)||0)};this._slide(a,g,c);return this._animateOff=true},_mouseStart:function(){return true},_mouseDrag:function(a){var b=
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this._normValueFromMouse({x:a.pageX,y:a.pageY});this._slide(a,this._handleIndex,b);return false},_mouseStop:function(a){this.handles.removeClass("ui-state-active");this._mouseSliding=false;this._stop(a,this._handleIndex);this._change(a,this._handleIndex);this._clickOffset=this._handleIndex=null;return this._animateOff=false},_detectOrientation:function(){this.orientation=this.options.orientation==="vertical"?"vertical":"horizontal"},_normValueFromMouse:function(a){var b;if(this.orientation==="horizontal"){b=
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this.elementSize.width;a=a.x-this.elementOffset.left-(this._clickOffset?this._clickOffset.left:0)}else{b=this.elementSize.height;a=a.y-this.elementOffset.top-(this._clickOffset?this._clickOffset.top:0)}b=a/b;if(b>1)b=1;if(b<0)b=0;if(this.orientation==="vertical")b=1-b;a=this._valueMax()-this._valueMin();return this._trimAlignValue(this._valueMin()+b*a)},_start:function(a,b){var c={handle:this.handles[b],value:this.value()};if(this.options.values&&this.options.values.length){c.value=this.values(b);
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c.values=this.values()}return this._trigger("start",a,c)},_slide:function(a,b,c){var e;if(this.options.values&&this.options.values.length){e=this.values(b?0:1);if(this.options.values.length===2&&this.options.range===true&&(b===0&&c>e||b===1&&c<e))c=e;if(c!==this.values(b)){e=this.values();e[b]=c;a=this._trigger("slide",a,{handle:this.handles[b],value:c,values:e});this.values(b?0:1);a!==false&&this.values(b,c,true)}}else if(c!==this.value()){a=this._trigger("slide",a,{handle:this.handles[b],value:c});
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a!==false&&this.value(c)}},_stop:function(a,b){var c={handle:this.handles[b],value:this.value()};if(this.options.values&&this.options.values.length){c.value=this.values(b);c.values=this.values()}this._trigger("stop",a,c)},_change:function(a,b){if(!this._keySliding&&!this._mouseSliding){var c={handle:this.handles[b],value:this.value()};if(this.options.values&&this.options.values.length){c.value=this.values(b);c.values=this.values()}this._trigger("change",a,c)}},value:function(a){if(arguments.length){this.options.value=
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this._trimAlignValue(a);this._refreshValue();this._change(null,0)}return this._value()},values:function(a,b){var c,e,f;if(arguments.length>1){this.options.values[a]=this._trimAlignValue(b);this._refreshValue();this._change(null,a)}if(arguments.length)if(d.isArray(arguments[0])){c=this.options.values;e=arguments[0];for(f=0;f<c.length;f+=1){c[f]=this._trimAlignValue(e[f]);this._change(null,f)}this._refreshValue()}else return this.options.values&&this.options.values.length?this._values(a):this.value();
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else return this._values()},_setOption:function(a,b){var c,e=0;if(d.isArray(this.options.values))e=this.options.values.length;d.Widget.prototype._setOption.apply(this,arguments);switch(a){case "disabled":if(b){this.handles.filter(".ui-state-focus").blur();this.handles.removeClass("ui-state-hover");this.handles.attr("disabled","disabled");this.element.addClass("ui-disabled")}else{this.handles.removeAttr("disabled");this.element.removeClass("ui-disabled")}break;case "orientation":this._detectOrientation();
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this.element.removeClass("ui-slider-horizontal ui-slider-vertical").addClass("ui-slider-"+this.orientation);this._refreshValue();break;case "value":this._animateOff=true;this._refreshValue();this._change(null,0);this._animateOff=false;break;case "values":this._animateOff=true;this._refreshValue();for(c=0;c<e;c+=1)this._change(null,c);this._animateOff=false;break}},_value:function(){var a=this.options.value;return a=this._trimAlignValue(a)},_values:function(a){var b,c;if(arguments.length){b=this.options.values[a];
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return b=this._trimAlignValue(b)}else{b=this.options.values.slice();for(c=0;c<b.length;c+=1)b[c]=this._trimAlignValue(b[c]);return b}},_trimAlignValue:function(a){if(a<this._valueMin())return this._valueMin();if(a>this._valueMax())return this._valueMax();var b=this.options.step>0?this.options.step:1,c=a%b;a=a-c;if(Math.abs(c)*2>=b)a+=c>0?b:-b;return parseFloat(a.toFixed(5))},_valueMin:function(){return this.options.min},_valueMax:function(){return this.options.max},_refreshValue:function(){var a=
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this.options.range,b=this.options,c=this,e=!this._animateOff?b.animate:false,f,h={},g,i,j,l;if(this.options.values&&this.options.values.length)this.handles.each(function(k){f=(c.values(k)-c._valueMin())/(c._valueMax()-c._valueMin())*100;h[c.orientation==="horizontal"?"left":"bottom"]=f+"%";d(this).stop(1,1)[e?"animate":"css"](h,b.animate);if(c.options.range===true)if(c.orientation==="horizontal"){if(k===0)c.range.stop(1,1)[e?"animate":"css"]({left:f+"%"},b.animate);if(k===1)c.range[e?"animate":"css"]({width:f-
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g+"%"},{queue:false,duration:b.animate})}else{if(k===0)c.range.stop(1,1)[e?"animate":"css"]({bottom:f+"%"},b.animate);if(k===1)c.range[e?"animate":"css"]({height:f-g+"%"},{queue:false,duration:b.animate})}g=f});else{i=this.value();j=this._valueMin();l=this._valueMax();f=l!==j?(i-j)/(l-j)*100:0;h[c.orientation==="horizontal"?"left":"bottom"]=f+"%";this.handle.stop(1,1)[e?"animate":"css"](h,b.animate);if(a==="min"&&this.orientation==="horizontal")this.range.stop(1,1)[e?"animate":"css"]({width:f+"%"},
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b.animate);if(a==="max"&&this.orientation==="horizontal")this.range[e?"animate":"css"]({width:100-f+"%"},{queue:false,duration:b.animate});if(a==="min"&&this.orientation==="vertical")this.range.stop(1,1)[e?"animate":"css"]({height:f+"%"},b.animate);if(a==="max"&&this.orientation==="vertical")this.range[e?"animate":"css"]({height:100-f+"%"},{queue:false,duration:b.animate})}}});d.extend(d.ui.slider,{version:"1.8.5"})})(jQuery);
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