MDL-15505

[moodle-linuxchix.git] / lib / yui / slider / slider-min.js

/*
Copyright (c) 2007, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.3.0
*/

YAHOO.widget.Slider=function(sElementId,sGroup,oThumb,sType){if(sElementId){this.init(sElementId,sGroup,true);this.initSlider(sType);this.initThumb(oThumb);}};YAHOO.widget.Slider.getHorizSlider=function(sBGElId,sHandleElId,iLeft,iRight,iTickSize){return new YAHOO.widget.Slider(sBGElId,sBGElId,new YAHOO.widget.SliderThumb(sHandleElId,sBGElId,iLeft,iRight,0,0,iTickSize),"horiz");};YAHOO.widget.Slider.getVertSlider=function(sBGElId,sHandleElId,iUp,iDown,iTickSize){return new YAHOO.widget.Slider(sBGElId,sBGElId,new YAHOO.widget.SliderThumb(sHandleElId,sBGElId,0,0,iUp,iDown,iTickSize),"vert");};YAHOO.widget.Slider.getSliderRegion=function(sBGElId,sHandleElId,iLeft,iRight,iUp,iDown,iTickSize){return new YAHOO.widget.Slider(sBGElId,sBGElId,new YAHOO.widget.SliderThumb(sHandleElId,sBGElId,iLeft,iRight,iUp,iDown,iTickSize),"region");};YAHOO.widget.Slider.ANIM_AVAIL=true;YAHOO.extend(YAHOO.widget.Slider,YAHOO.util.DragDrop,{initSlider:function(sType){this.type=sType;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;},initThumb:function(t){var self=this;this.thumb=t;t.cacheBetweenDrags=true;t.onChange=function(){self.handleThumbChange();};if(t._isHoriz&&t.xTicks&&t.xTicks.length){this.tickPause=Math.round(360/t.xTicks.length);}else if(t.yTicks&&t.yTicks.length){this.tickPause=Math.round(360/t.yTicks.length);}
t.onMouseDown=function(){return self.focus();};t.onMouseUp=function(){self.thumbMouseUp();};t.onDrag=function(){self.fireEvents(true);};t.onAvailable=function(){return self.setStartSliderState();};},onAvailable:function(){var Event=YAHOO.util.Event;Event.on(this.id,"keydown",this.handleKeyDown,this,true);Event.on(this.id,"keypress",this.handleKeyPress,this,true);},handleKeyPress:function(e){if(this.enableKeys){var Event=YAHOO.util.Event;var kc=Event.getCharCode(e);switch(kc){case 0x25:case 0x26:case 0x27:case 0x28:case 0x24:case 0x23:Event.preventDefault(e);break;default:}}},handleKeyDown:function(e){if(this.enableKeys){var Event=YAHOO.util.Event;var kc=Event.getCharCode(e),t=this.thumb;var h=this.getXValue(),v=this.getYValue();var horiz=false;var changeValue=true;switch(kc){case 0x25:h-=this.keyIncrement;break;case 0x26:v-=this.keyIncrement;break;case 0x27:h+=this.keyIncrement;break;case 0x28:v+=this.keyIncrement;break;case 0x24:h=t.leftConstraint;v=t.topConstraint;break;case 0x23:h=t.rightConstraint;v=t.bottomConstraint;break;default:changeValue=false;}
if(changeValue){if(t._isRegion){this.setRegionValue(h,v,true);}else{var newVal=(t._isHoriz)?h:v;this.setValue(newVal,true);}
Event.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,true);this.deferredSetRegionValue=null;}else{this.setRegionValue(0,0,true,true);}}else{if(this.deferredSetValue){this.setValue.apply(this,this.deferredSetValue,true);this.deferredSetValue=null;}else{this.setValue(0,true,true);}}},setThumbCenterPoint:function(){var el=this.thumb.getEl();if(el){this.thumbCenterPoint={x:parseInt(el.offsetWidth/2,10),y:parseInt(el.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();}},getThumb:function(){return this.thumb;},focus:function(){this.valueChangeSource=this.SOURCE_UI_EVENT;var el=this.getEl();if(el.focus){try{el.focus();}catch(e){}}
this.verifyOffset();if(this.isLocked()){return false;}else{this.onSlideStart();return true;}},onChange:function(firstOffset,secondOffset){},onSlideStart:function(){},onSlideEnd:function(){},getValue:function(){return this.thumb.getValue();},getXValue:function(){return this.thumb.getXValue();},getYValue:function(){return this.thumb.getYValue();},handleThumbChange:function(){var t=this.thumb;if(t._isRegion){t.onChange(t.getXValue(),t.getYValue());this.fireEvent("change",{x:t.getXValue(),y:t.getYValue()});}else{t.onChange(t.getValue());this.fireEvent("change",t.getValue());}},setValue:function(newOffset,skipAnim,force){this.valueChangeSource=this.SOURCE_SET_VALUE;if(!this.thumb.available){this.deferredSetValue=arguments;return false;}
if(this.isLocked()&&!force){return false;}
if(isNaN(newOffset)){return false;}
var t=this.thumb;var newX,newY;this.verifyOffset(true);if(t._isRegion){return false;}else if(t._isHoriz){this.onSlideStart();newX=t.initPageX+newOffset+this.thumbCenterPoint.x;this.moveThumb(newX,t.initPageY,skipAnim);}else{this.onSlideStart();newY=t.initPageY+newOffset+this.thumbCenterPoint.y;this.moveThumb(t.initPageX,newY,skipAnim);}
return true;},setRegionValue:function(newOffset,newOffset2,skipAnim,force){this.valueChangeSource=this.SOURCE_SET_VALUE;if(!this.thumb.available){this.deferredSetRegionValue=arguments;return false;}
if(this.isLocked()&&!force){return false;}
if(isNaN(newOffset)){return false;}
var t=this.thumb;if(t._isRegion){this.onSlideStart();var newX=t.initPageX+newOffset+this.thumbCenterPoint.x;var newY=t.initPageY+newOffset2+this.thumbCenterPoint.y;this.moveThumb(newX,newY,skipAnim);return true;}
return false;},verifyOffset:function(checkPos){var newPos=YAHOO.util.Dom.getXY(this.getEl());if(newPos[0]!=this.baselinePos[0]||newPos[1]!=this.baselinePos[1]){this.thumb.resetConstraints();this.baselinePos=newPos;return false;}
return true;},moveThumb:function(x,y,skipAnim){var t=this.thumb;var self=this;if(!t.available){return;}
t.setDelta(this.thumbCenterPoint.x,this.thumbCenterPoint.y);var _p=t.getTargetCoord(x,y);var p=[_p.x,_p.y];this.fireEvent("slideStart");if(this.animate&&YAHOO.widget.Slider.ANIM_AVAIL&&t._graduated&&!skipAnim){this.lock();this.curCoord=YAHOO.util.Dom.getXY(this.thumb.getEl());setTimeout(function(){self.moveOneTick(p);},this.tickPause);}else if(this.animate&&YAHOO.widget.Slider.ANIM_AVAIL&&!skipAnim){this.lock();var oAnim=new YAHOO.util.Motion(t.id,{points:{to:p}},this.animationDuration,YAHOO.util.Easing.easeOut);oAnim.onComplete.subscribe(function(){self.endMove();});oAnim.animate();}else{t.setDragElPos(x,y);this.endMove();}},moveOneTick:function(finalCoord){var t=this.thumb,tmp;var nextCoord=null;if(t._isRegion){nextCoord=this._getNextX(this.curCoord,finalCoord);var tmpX=(nextCoord)?nextCoord[0]:this.curCoord[0];nextCoord=this._getNextY([tmpX,this.curCoord[1]],finalCoord);}else if(t._isHoriz){nextCoord=this._getNextX(this.curCoord,finalCoord);}else{nextCoord=this._getNextY(this.curCoord,finalCoord);}
if(nextCoord){this.curCoord=nextCoord;this.thumb.alignElWithMouse(t.getEl(),nextCoord[0],nextCoord[1]);if(!(nextCoord[0]==finalCoord[0]&&nextCoord[1]==finalCoord[1])){var self=this;setTimeout(function(){self.moveOneTick(finalCoord);},this.tickPause);}else{this.endMove();}}else{this.endMove();}},_getNextX:function(curCoord,finalCoord){var t=this.thumb;var thresh;var tmp=[];var nextCoord=null;if(curCoord[0]>finalCoord[0]){thresh=t.tickSize-this.thumbCenterPoint.x;tmp=t.getTargetCoord(curCoord[0]-thresh,curCoord[1]);nextCoord=[tmp.x,tmp.y];}else if(curCoord[0]<finalCoord[0]){thresh=t.tickSize+this.thumbCenterPoint.x;tmp=t.getTargetCoord(curCoord[0]+thresh,curCoord[1]);nextCoord=[tmp.x,tmp.y];}else{}
return nextCoord;},_getNextY:function(curCoord,finalCoord){var t=this.thumb;var thresh;var tmp=[];var nextCoord=null;if(curCoord[1]>finalCoord[1]){thresh=t.tickSize-this.thumbCenterPoint.y;tmp=t.getTargetCoord(curCoord[0],curCoord[1]-thresh);nextCoord=[tmp.x,tmp.y];}else if(curCoord[1]<finalCoord[1]){thresh=t.tickSize+this.thumbCenterPoint.y;tmp=t.getTargetCoord(curCoord[0],curCoord[1]+thresh);nextCoord=[tmp.x,tmp.y];}else{}
return nextCoord;},b4MouseDown:function(e){this.thumb.autoOffset();this.thumb.resetConstraints();},onMouseDown:function(e){if(!this.isLocked()&&this.backgroundEnabled){var x=YAHOO.util.Event.getPageX(e);var y=YAHOO.util.Event.getPageY(e);this.focus();this.moveThumb(x,y);}},onDrag:function(e){if(!this.isLocked()){var x=YAHOO.util.Event.getPageX(e);var y=YAHOO.util.Event.getPageY(e);this.moveThumb(x,y,true);}},endMove:function(){this.unlock();this.moveComplete=true;this.fireEvents();},fireEvents:function(thumbEvent){var t=this.thumb;if(!thumbEvent){t.cachePosition();}
if(!this.isLocked()){if(t._isRegion){var newX=t.getXValue();var newY=t.getYValue();if(newX!=this.previousX||newY!=this.previousY){this.onChange(newX,newY);this.fireEvent("change",{x:newX,y:newY});}
this.previousX=newX;this.previousY=newY;}else{var newVal=t.getValue();if(newVal!=this.previousVal){this.onChange(newVal);this.fireEvent("change",newVal);}
this.previousVal=newVal;}
if(this.moveComplete){this.onSlideEnd();this.fireEvent("slideEnd");this.moveComplete=false;}}},toString:function(){return("Slider ("+this.type+") "+this.id);}});YAHOO.augment(YAHOO.widget.Slider,YAHOO.util.EventProvider);YAHOO.widget.SliderThumb=function(id,sGroup,iLeft,iRight,iUp,iDown,iTickSize){if(id){YAHOO.widget.SliderThumb.superclass.constructor.call(this,id,sGroup);this.parentElId=sGroup;}
this.isTarget=false;this.tickSize=iTickSize;this.maintainOffset=true;this.initSlider(iLeft,iRight,iUp,iDown,iTickSize);this.scroll=false;};YAHOO.extend(YAHOO.widget.SliderThumb,YAHOO.util.DD,{startOffset:null,_isHoriz:false,_prevVal:0,_graduated:false,getOffsetFromParent0:function(parentPos){var myPos=YAHOO.util.Dom.getXY(this.getEl());var ppos=parentPos||YAHOO.util.Dom.getXY(this.parentElId);return[(myPos[0]-ppos[0]),(myPos[1]-ppos[1])];},getOffsetFromParent:function(parentPos){var el=this.getEl();if(!this.deltaOffset){var myPos=YAHOO.util.Dom.getXY(el);var ppos=parentPos||YAHOO.util.Dom.getXY(this.parentElId);var newOffset=[(myPos[0]-ppos[0]),(myPos[1]-ppos[1])];var l=parseInt(YAHOO.util.Dom.getStyle(el,"left"),10);var t=parseInt(YAHOO.util.Dom.getStyle(el,"top"),10);var deltaX=l-newOffset[0];var deltaY=t-newOffset[1];if(isNaN(deltaX)||isNaN(deltaY)){}else{this.deltaOffset=[deltaX,deltaY];}}else{var newLeft=parseInt(YAHOO.util.Dom.getStyle(el,"left"),10);var newTop=parseInt(YAHOO.util.Dom.getStyle(el,"top"),10);newOffset=[newLeft+this.deltaOffset[0],newTop+this.deltaOffset[1]];}
return newOffset;},initSlider:function(iLeft,iRight,iUp,iDown,iTickSize){this.initLeft=iLeft;this.initRight=iRight;this.initUp=iUp;this.initDown=iDown;this.setXConstraint(iLeft,iRight,iTickSize);this.setYConstraint(iUp,iDown,iTickSize);if(iTickSize&&iTickSize>1){this._graduated=true;}
this._isHoriz=(iLeft||iRight);this._isVert=(iUp||iDown);this._isRegion=(this._isHoriz&&this._isVert);},clearTicks:function(){YAHOO.widget.SliderThumb.superclass.clearTicks.call(this);this.tickSize=0;this._graduated=false;},getValue:function(){if(!this.available){return 0;}
var val=(this._isHoriz)?this.getXValue():this.getYValue();return val;},getXValue:function(){if(!this.available){return 0;}
var newOffset=this.getOffsetFromParent();return(newOffset[0]-this.startOffset[0]);},getYValue:function(){if(!this.available){return 0;}
var newOffset=this.getOffsetFromParent();return(newOffset[1]-this.startOffset[1]);},toString:function(){return"SliderThumb "+this.id;},onChange:function(x,y){}});if("undefined"==typeof YAHOO.util.Anim){YAHOO.widget.Slider.ANIM_AVAIL=false;}
YAHOO.register("slider",YAHOO.widget.Slider,{version:"2.3.0",build:"442"});