slider-min.js

ext-2.3.0

/*
 * Ext JS Library 2.3.0
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * [e-mail]
 * 
 * http://extjs.com/license
 */


Ext.Slider=Ext.extend(Ext.BoxComponent,{vertical:false,minValue:0,maxValue:100,keyIncrement:1,increment:0,clickRange:[5,15],clickToChange:true,animate:true,dragging:false,initComponent:function(){if(this.value===undefined){this.value=this.minValue;}
Ext.Slider.superclass.initComponent.call(this);this.keyIncrement=Math.max(this.increment,this.keyIncrement);this.addEvents('beforechange','change','changecomplete','dragstart','drag','dragend');if(this.vertical){Ext.apply(this,Ext.Slider.Vertical);}},onRender:function(){this.autoEl={cls:'x-slider '+(this.vertical?'x-slider-vert':'x-slider-horz'),cn:{cls:'x-slider-end',cn:{cls:'x-slider-inner',cn:[{cls:'x-slider-thumb'},{tag:'a',cls:'x-slider-focus',href:"#",tabIndex:'-1',hidefocus:'on'}]}}};Ext.Slider.superclass.onRender.apply(this,arguments);this.endEl=this.el.first();this.innerEl=this.endEl.first();this.thumb=this.innerEl.first();this.halfThumb=(this.vertical?this.thumb.getHeight():this.thumb.getWidth())/2;this.focusEl=this.thumb.next();this.initEvents();},initEvents:function(){this.thumb.addClassOnOver('x-slider-thumb-over');this.el.on('mousedown',this.onMouseDown,this);this.el.on('keydown',this.onKeyDown,this);this.focusEl.swallowEvent("click",true);this.tracker=new Ext.dd.DragTracker({onBeforeStart:this.onBeforeDragStart.createDelegate(this),onStart:this.onDragStart.createDelegate(this),onDrag:this.onDrag.createDelegate(this),onEnd:this.onDragEnd.createDelegate(this),tolerance:3,autoStart:300});this.tracker.initEl(this.thumb);this.on('beforedestroy',this.tracker.destroy,this.tracker);},onMouseDown:function(e){if(this.disabled){return;}
if(this.clickToChange&&e.target!=this.thumb.dom){var local=this.innerEl.translatePoints(e.getXY());this.onClickChange(local);}
this.focus();},onClickChange:function(local){if(local.top>this.clickRange[0]&&local.top<this.clickRange[1]){this.setValue(Math.round(this.reverseValue(local.left)),undefined,true);}},onKeyDown:function(e){if(this.disabled){e.preventDefault();return;}
var k=e.getKey();switch(k){case e.UP:case e.RIGHT:e.stopEvent();if(e.ctrlKey){this.setValue(this.maxValue,undefined,true);}else{this.setValue(this.value+this.keyIncrement,undefined,true);}
break;case e.DOWN:case e.LEFT:e.stopEvent();if(e.ctrlKey){this.setValue(this.minValue,undefined,true);}else{this.setValue(this.value-this.keyIncrement,undefined,true);}
break;default:e.preventDefault();}},doSnap:function(value){if(!this.increment||this.increment==1||!value){return value;}
var newValue=value,inc=this.increment;var m=value%inc;if(m!=0){newValue-=m;if(m*2>inc){newValue+=inc;}else if(m*2<-inc){newValue-=inc;}}
return newValue.constrain(this.minValue,this.maxValue);},afterRender:function(){Ext.Slider.superclass.afterRender.apply(this,arguments);if(this.value!==undefined){var v=this.normalizeValue(this.value);if(v!==this.value){delete this.value;this.setValue(v,false);}else{this.moveThumb(this.translateValue(v),false);}}},getRatio:function(){var w=this.innerEl.getWidth();var v=this.maxValue-this.minValue;return v==0?w:(w/v);},normalizeValue:function(v){if(typeof v!='number'){v=parseInt(v);}
v=Math.round(v);v=this.doSnap(v);v=v.constrain(this.minValue,this.maxValue);return v;},setValue:function(v,animate,changeComplete){v=this.normalizeValue(v);if(v!==this.value&&this.fireEvent('beforechange',this,v,this.value)!==false){this.value=v;this.moveThumb(this.translateValue(v),animate!==false);this.fireEvent('change',this,v);if(changeComplete){this.fireEvent('changecomplete',this,v);}}},translateValue:function(v){var ratio=this.getRatio();return(v*ratio)-(this.minValue*ratio)-this.halfThumb;},reverseValue:function(pos){var ratio=this.getRatio();return(pos+this.halfThumb+(this.minValue*ratio))/ratio;},moveThumb:function(v,animate){if(!animate||this.animate===false){this.thumb.setLeft(v);}else{this.thumb.shift({left:v,stopFx:true,duration:.35});}},focus:function(){this.focusEl.focus(10);},onBeforeDragStart:function(e){return!this.disabled;},onDragStart:function(e){this.thumb.addClass('x-slider-thumb-drag');this.dragging=true;this.dragStartValue=this.value;this.fireEvent('dragstart',this,e);},onDrag:function(e){var pos=this.innerEl.translatePoints(this.tracker.getXY());this.setValue(Math.round(this.reverseValue(pos.left)),false);this.fireEvent('drag',this,e);},onDragEnd:function(e){this.thumb.removeClass('x-slider-thumb-drag');this.dragging=false;this.fireEvent('dragend',this,e);if(this.dragStartValue!=this.value){this.fireEvent('changecomplete',this,this.value);}},onDisable:function(){Ext.Slider.superclass.onDisable.call(this);this.thumb.addClass(this.disabledClass);if(Ext.isIE){var xy=this.thumb.getXY();this.thumb.hide();this.innerEl.addClass(this.disabledClass).dom.disabled=true;if(!this.thumbHolder){this.thumbHolder=this.endEl.createChild({cls:'x-slider-thumb '+this.disabledClass});}
this.thumbHolder.show().setXY(xy);}},onEnable:function(){Ext.Slider.superclass.onEnable.call(this);this.thumb.removeClass(this.disabledClass);if(Ext.isIE){this.innerEl.removeClass(this.disabledClass).dom.disabled=false;if(this.thumbHolder){this.thumbHolder.hide();}
this.thumb.show();this.syncThumb();}},onResize:function(w,h){this.innerEl.setWidth(w-(this.el.getPadding('l')+this.endEl.getPadding('r')));this.syncThumb();},syncThumb:function(){if(this.rendered){this.moveThumb(this.translateValue(this.value));}},getValue:function(){return this.value;}});Ext.reg('slider',Ext.Slider);Ext.Slider.Vertical={onResize:function(w,h){this.innerEl.setHeight(h-(this.el.getPadding('t')+this.endEl.getPadding('b')));this.syncThumb();},getRatio:function(){var h=this.innerEl.getHeight();var v=this.maxValue-this.minValue;return h/v;},moveThumb:function(v,animate){if(!animate||this.animate===false){this.thumb.setBottom(v);}else{this.thumb.shift({bottom:v,stopFx:true,duration:.35});}},onDrag:function(e){var pos=this.innerEl.translatePoints(this.tracker.getXY());var bottom=this.innerEl.getHeight()-pos.top;this.setValue(this.minValue+Math.round(bottom/this.getRatio()),false);this.fireEvent('drag',this,e);},onClickChange:function(local){if(local.left>this.clickRange[0]&&local.left<this.clickRange[1]){var bottom=this.innerEl.getHeight()-local.top;this.setValue(this.minValue+Math.round(bottom/this.getRatio()),undefined,true);}}};