9 lines
16 KiB
JavaScript
9 lines
16 KiB
JavaScript
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/*
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Copyright (c) 2008, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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version: 2.6.0
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*/
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YAHOO.widget.Slider=function(C,A,B,D){YAHOO.widget.Slider.ANIM_AVAIL=(!YAHOO.lang.isUndefined(YAHOO.util.Anim));if(C){this.init(C,A,true);this.initSlider(D);this.initThumb(B);}};YAHOO.widget.Slider.getHorizSlider=function(B,C,E,D,A){return new YAHOO.widget.Slider(B,B,new YAHOO.widget.SliderThumb(C,B,E,D,0,0,A),"horiz");};YAHOO.widget.Slider.getVertSlider=function(C,D,A,E,B){return new YAHOO.widget.Slider(C,C,new YAHOO.widget.SliderThumb(D,C,0,0,A,E,B),"vert");};YAHOO.widget.Slider.getSliderRegion=function(C,D,F,E,A,G,B){return new YAHOO.widget.Slider(C,C,new YAHOO.widget.SliderThumb(D,C,F,E,A,G,B),"region");};YAHOO.widget.Slider.ANIM_AVAIL=false;YAHOO.extend(YAHOO.widget.Slider,YAHOO.util.DragDrop,{dragOnly:true,initSlider:function(A){this.type=A;this.createEvent("change",this);this.createEvent("slideStart",this);this.createEvent("slideEnd",this);this.isTarget=false;this.animate=YAHOO.widget.Slider.ANIM_AVAIL;this.backgroundEnabled=true;this.tickPause=40;this.enableKeys=true;this.keyIncrement=20;this.moveComplete=true;this.animationDuration=0.2;this.SOURCE_UI_EVENT=1;this.SOURCE_SET_VALUE=2;this.valueChangeSource=0;this._silent=false;this.lastOffset=[0,0];},initThumb:function(B){var A=this;this.thumb=B;B.cacheBetweenDrags=true;if(B._isHoriz&&B.xTicks&&B.xTicks.length){this.tickPause=Math.round(360/B.xTicks.length);}else{if(B.yTicks&&B.yTicks.length){this.tickPause=Math.round(360/B.yTicks.length);}}B.onAvailable=function(){return A.setStartSliderState();};B.onMouseDown=function(){return A.focus();};B.startDrag=function(){A._slideStart();};B.onDrag=function(){A.fireEvents(true);};B.onMouseUp=function(){A.thumbMouseUp();};},onAvailable:function(){var A=YAHOO.util.Event;A.on(this.id,"keydown",this.handleKeyDown,this,true);A.on(this.id,"keypress",this.handleKeyPress,this,true);},handleKeyPress:function(C){if(this.enableKeys){var A=YAHOO.util.Event;var B=A.getCharCode(C);switch(B){case 37:case 38:case 39:case 40:case 36:case 35:A.preventDefault(C);break;default:}}},handleKeyDown:function(E){if(this.enableKeys){var G=YAHOO.util.Event;var C=G.getCharCode(E),I=this.thumb;var B=this.getXValue(),F=this.getYValue();var H=false;var D=true;switch(C){case 37:B-=this.keyIncrement;break;case 38:F-=this.keyIncrement;break;case 39:B+=this.keyIncrement;break;case 40:F+=this.keyIncrement;break;case 36:B=I.leftConstraint;F=I.topConstraint;break;case 35:B=I.rightConstraint;F=I.bottomConstraint;break;default:D=false;}if(D){if(I._isRegion){this.setRegionValue(B,F,true);}else{var A=(I._isHoriz)?B:F;this.setValue(A,true);}G.stopEvent(E);}}},setStartSliderState:function(){this.setThumbCenterPoint();this.baselinePos=YAHOO.util.Dom.getXY(this.getEl());this.thumb.startOffset=this.thumb.getOffsetFromParent(this.baselinePos);if(this.thumb._isRegion){if(this.deferredSetRegionValue){this.setRegionValue.apply(this,this.deferredSetRegionValue);this.deferredSetRegionValue=null;}else{this.setRegionValue(0,0,true,true,true);}}else{if(this.deferredSetValue){this.setValue.apply(this,this.deferredSetValue);this.deferredSetValue=null;}else{this.setValue(0,true,true,true);}}},setThumbCenterPoint:function(){var A=this.thumb.getEl();if(A){this.thumbCenterPoint={x:parseInt(A.offsetWidth/2,10),y:parseInt(A.offsetHeight/2,10)};}},lock:function(){this.thumb.lock();this.locked=true;},unlock:function(){this.thumb.unlock();this.locked=false;},thumbMouseUp:function(){if(!this.isLocked()&&!this.moveComplete){this.endMove();}},onMouseUp:function(){if(this.backgroundEnabled&&!this.isLocked()&&!this.moveComplete){this.endMove();}},getThumb:function(){return this.thumb;},focus:function(){this.valueChangeSource=this.SOURCE_UI_EVENT;var A=this.getEl();if(A.focus){try{A.focus();}catch(B){}}this.verifyOffset();if(this.isLocked()){return false;}else{this._slideStart();return true;}},onChange:function(A,B){},onSlideStart:function(){},onSlideEnd:function(){},getValue:function(){return this.thumb.getValue();},getXValue:function(){return this.thumb.getXValue();},getYValue:function(){return this.thumb.getYValue();},handleThumbChange:function(){},setValue:function(G,C,D,A){this._silent=A;t
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A.onComplete.subscribe(function(){I.endMove();});A.animate();}else{H.setDragElPos(G,F);if(!D){this.endMove();}}}},_slideStart:function(){if(!this._sliding){if(!this._silent){this.onSlideStart();this.fireEvent("slideStart");}this._sliding=true;}},_slideEnd:function(){if(this._sliding&&this.moveComplete){var A=this._silent;this._sliding=false;this._silent=false;this.moveComplete=false;if(!A){this.onSlideEnd();this.fireEvent("slideEnd");}}},moveOneTick:function(B){var E=this.thumb,D;var F=null,A,G;if(E._isRegion){F=this._getNextX(this.curCoord,B);A=(F!==null)?F[0]:this.curCoord[0];F=this._getNextY(this.curCoord,B);G=(F!==null)?F[1]:this.curCoord[1];F=A!==this.curCoord[0]||G!==this.curCoord[1]?[A,G]:null;}else{if(E._isHoriz){F=this._getNextX(this.curCoord,B);}else{F=this._getNextY(this.curCoord,B);}}if(F){this.curCoord=F;this.thumb.alignElWithMouse(E.getEl(),F[0]+this.thumbCenterPoint.x,F[1]+this.thumbCenterPoint.y);if(!(F[0]==B[0]&&F[1]==B[1])){var C=this;setTimeout(function(){C.moveOneTick(B);},this.tickPause);}else{this.endMove();}}else{this.endMove();}},_getNextX:function(A,B){var D=this.thumb;var F;var C=[];var E=null;if(A[0]>B[0]){F=D.tickSize-this.thumbCenterPoint.x;C=D.getTargetCoord(A[0]-F,A[1]);E=[C.x,C.y];}else{if(A[0]<B[0]){F=D.tickSize+this.thumbCenterPoint.x;C=D.getTargetCoord(A[0]+F,A[1]);E=[C.x,C.y];}else{}}return E;},_getNextY:function(A,B){var D=this.thumb;var F;var C=[];var E=null;if(A[1]>B[1]){F=D.tickSize-this.thumbCenterPoint.y;C=D.getTargetCoord(A[0],A[1]-F);E=[C.x,C.y];}else{if(A[1]<B[1]){F=D.tickSize+this.thumbCenterPoint.y;C=D.getTargetCoord(A[0],A[1]+F);E=[C.x,C.y];}else{}}return E;},b4MouseDown:function(A){if(!this.backgroundEnabled){return false;}this.thumb.autoOffset();this.resetThumbConstraints();},onMouseDown:function(B){if(!this.backgroundEnabled||this.isLocked()){return false;}var A=YAHOO.util.Event.getPageX(B);var C=YAHOO.util.Event.getPageY(B);this.focus();this.moveThumb(A,C);},onDrag:function(B){if(this.backgroundEnabled&&!this.isLocked()){var A=YAHOO.util.Event.getPageX(B);var C=YAHOO.util.Event.getPageY(B);this.moveThumb(A,C,true,true);this.fireEvents();}},endMove:function(){this.unlock();this.moveComplete=true;this.fireEvents();},resetThumbConstraints:function(){var A=this.thumb;A.setXConstraint(A.leftConstraint,A.rightConstraint,A.xTickSize);A.setYConstraint(A.topConstraint,A.bottomConstraint,A.xTickSize);},fireEvents:function(C){var B=this.thumb;if(!C){B.cachePosition();}if(!this.isLocked()){if(B._isRegion){var E=B.getXValue();var D=B.getYValue();if(E!=this.previousX||D!=this.previousY){if(!this._silent){this.onChange(E,D);this.fireEvent("change",{x:E,y:D});}}this.previousX=E;this.previousY=D;}else{var A=B.getValue();if(A!=this.previousVal){if(!this._silent){this.onChange(A);this.fireEvent("change",A);}}this.previousVal=A;}this._slideEnd();}},toString:function(){return("Slider ("+this.type+") "+this.id);}});YAHOO.augment(YAHOO.widget.Slider,YAHOO.util.EventProvider);YAHOO.widget.SliderThumb=function(G,B,E,D,A,F,C){if(G){YAHOO.widget.SliderThumb.superclass.constructor.call(this,G,B);this.parentElId=B;}this.isTarget=false;this.tickSize=C;this.maintainOffset=true;this.initSlider(E,D,A,F,C);this.scroll=false;};YAHOO.extend(YAHOO.widget.SliderThumb,YAHOO.util.DD,{startOffset:null,dragOnly:true,_isHoriz:false,_prevVal:0,_graduated:false,getOffsetFromParent0:function(C){var A=YAHOO.util.Dom.getXY(this.getEl());var B=C||YAHOO.util.Dom.getXY(this.parentElId);return[(A[0]-B[0]),(A[1]-B[1])];},getOffsetFromParent:function(H){var A=this.getEl(),E;if(!this.deltaOffset){var I=YAHOO.util.Dom.getXY(A);var F=H||YAHOO.util.Dom.getXY(this.parentElId);E=[(I[0]-F[0]),(I[1]-F[1])];var B=parseInt(YAHOO.util.Dom.getStyle(A,"left"),10);var K=parseInt(YAHOO.util.Dom.getStyle(A,"top"),10);var D=B-E[0];var C=K-E[1];if(isNaN(D)||isNaN(C)){}else{this.deltaOffset=[D,C];}}else{var J=parseInt(YAHOO.util.Dom.getStyle(A,"left"),10);var G=parseInt(YAHOO.util.Dom.getStyle(A,"top"),10);E=[J+this.deltaOffset[0],G+this.deltaOffset[1]];}return E;},initSlider:function(D,C,A,E,B){this.initLeft=D;this.initRight=C;this.initUp=
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};E.subscribe("change",this._handleMinChange,E,this);E.subscribe("slideStart",this._handleSlideStart,E,this);E.subscribe("slideEnd",this._handleSlideEnd,E,this);B.subscribe("change",this._handleMaxChange,B,this);B.subscribe("slideStart",this._handleSlideStart,B,this);B.subscribe("slideEnd",this._handleSlideEnd,B,this);this.createEvent("ready",this);this.createEvent("change",this);this.createEvent("slideStart",this);this.createEvent("slideEnd",this);};YAHOO.widget.DualSlider.prototype={minVal:-1,maxVal:-1,minRange:0,_handleSlideStart:function(B,A){this.fireEvent("slideStart",A);},_handleSlideEnd:function(B,A){this.fireEvent("slideEnd",A);},_handleDrag:function(A){YAHOO.widget.Slider.prototype.onDrag.call(this.activeSlider,A);},_handleMinChange:function(){this.activeSlider=this.minSlider;this.updateValue();},_handleMaxChange:function(){this.activeSlider=this.maxSlider;this.updateValue();},setValues:function(E,H,F,B,G){var C=this.minSlider,J=this.maxSlider,A=C.thumb,I=J.thumb,K=this,D={min:false,max:false};if(A._isHoriz){A.setXConstraint(A.leftConstraint,I.rightConstraint,A.tickSize);I.setXConstraint(A.leftConstraint,I.rightConstraint,I.tickSize);}else{A.setYConstraint(A.topConstraint,I.bottomConstraint,A.tickSize);I.setYConstraint(A.topConstraint,I.bottomConstraint,I.tickSize);}this._oneTimeCallback(C,"slideEnd",function(){D.min=true;if(D.max){K.updateValue(G);setTimeout(function(){K._cleanEvent(C,"slideEnd");K._cleanEvent(J,"slideEnd");},0);}});this._oneTimeCallback(J,"slideEnd",function(){D.max=true;if(D.min){K.updateValue(G);setTimeout(function(){K._cleanEvent(C,"slideEnd");K._cleanEvent(J,"slideEnd");},0);}});C.setValue(E,F,B,false);J.setValue(H,F,B,false);},setMinValue:function(C,E,F,B){var D=this.minSlider;this.activeSlider=D;var A=this;this._oneTimeCallback(D,"slideEnd",function(){A.updateValue(B);setTimeout(function(){A._cleanEvent(D,"slideEnd");},0);});D.setValue(C,E,F,B);},setMaxValue:function(A,E,F,C){var D=this.maxSlider;this.activeSlider=D;var B=this;this._oneTimeCallback(D,"slideEnd",function(){B.updateValue(C);setTimeout(function(){B._cleanEvent(D,"slideEnd");},0);});D.setValue(A,E,F,C);},updateValue:function(G){var B=this.minSlider.getValue(),H=this.maxSlider.getValue(),C=false;if(B!=this.minVal||H!=this.maxVal){C=true;var A=this.minSlider.thumb,J=this.maxSlider.thumb,D=this.isHoriz?"x":"y";var E=this.minSlider.thumbCenterPoint[D]+this.maxSlider.thumbCenterPoint[D];var F=Math.max(H-E-this.minRange,0);var I=Math.min(-B-E-this.minRange,0);if(this.isHoriz){F=Math.min(F,J.rightConstraint);A.setXConstraint(A.leftConstraint,F,A.tickSize);J.setXConstraint(I,J.rightConstraint,J.tickSize);}else{F=Math.min(F,J.bottomConstraint);A.setYConstraint(A.leftConstraint,F,A.tickSize);J.setYConstraint(I,J.bottomConstraint,J.tickSize);}}this.minVal=B;this.maxVal=H;if(C&&!G){this.fireEvent("change",this);}},selectActiveSlider:function(E){var B=this.minSlider,A=this.maxSlider,G=B.isLocked(),D=A.isLocked(),C=YAHOO.util.Event,F;if(G||D){this.activeSlider=G?A:B;}else{if(this.isHoriz){F=C.getPageX(E)-B.thumb.initPageX-B.thumbCenterPoint.x;}else{F=C.getPageY(E)-B.thumb.initPageY-B.thumbCenterPoint.y;}this.activeSlider=F*2>A.getValue()+B.getValue()?A:B;}},_handleMouseDown:function(A){this.selectActiveSlider(A);YAHOO.widget.Slider.prototype.onMouseDown.call(this.activeSlider,A);},_oneTimeCallback:function(C,A,B){C.subscribe(A,function(){C.unsubscribe(A,arguments.callee);B.apply({},[].slice.apply(arguments));});},_cleanEvent:function(H,B){if(H.__yui_events&&H.events[B]){var G,F,A;for(F=H.__yui_events.length;F>=0;--F){if(H.__yui_events[F].type===B){G=H.__yui_events[F];break;}}if(G){var E=G.subscribers,C=[],D=0;for(F=0,A=E.length;F<A;++F){if(E[F]){C[D++]=E[F];}}G.subscribers=C;}}}};YAHOO.augment(YAHOO.widget.DualSlider,YAHOO.util.EventProvider);YAHOO.widget.Slider.getHorizDualSlider=function(F,C,K,G,H,B){var A,J;var D=YAHOO.widget,E=D.Slider,I=D.SliderThumb;A=new I(C,F,0,G,0,0,H);J=new I(K,F,0,G,0,0,H);return new D.DualSlider(new E(F,F,A,"horiz"),new E(F,F,J,"horiz"),G,B);};YAHOO.widget.Slider.getVertDualSlider=function(F,C,K,G,H,B){var A
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