1 var fluid_1_4=fluid_1_4||{};(function($,fluid){fluid.orientation={HORIZONTAL:4,VERTICAL:1};fluid.rectSides={4:["left","right"],1:["top","bottom"],8:"top",12:"bottom",2:"left",3:"right"};fluid.position={BEFORE:-1,AFTER:1,INSIDE:2,REPLACE:3};fluid.direction={NEXT:1,PREVIOUS:-1,UP:8,DOWN:12,LEFT:2,RIGHT:3};fluid.directionSign=function(direction){return direction===fluid.direction.UP||direction===fluid.direction.LEFT?fluid.direction.PREVIOUS:fluid.direction.NEXT};fluid.directionAxis=function(direction){return direction===fluid.direction.LEFT||direction===fluid.direction.RIGHT?0:1};fluid.directionOrientation=function(direction){return fluid.directionAxis(direction)?fluid.orientation.VERTICAL:fluid.orientation.HORIZONTAL};fluid.keycodeDirection={up:fluid.direction.UP,down:fluid.direction.DOWN,left:fluid.direction.LEFT,right:fluid.direction.RIGHT};fluid.moveDom=function(source,target,position){source=fluid.unwrap(source);target=fluid.unwrap(target);var scan;if(position===fluid.position.INSIDE){target.appendChild(source)}else{if(position===fluid.position.BEFORE){for(scan=target.previousSibling;;scan=scan.previousSibling){if(!scan||!fluid.dom.isIgnorableNode(scan)){if(scan!==source){fluid.dom.cleanseScripts(source);target.parentNode.insertBefore(source,target)}break}}}else{if(position===fluid.position.AFTER){for(scan=target.nextSibling;;scan=scan.nextSibling){if(!scan||!fluid.dom.isIgnorableNode(scan)){if(scan!==source){fluid.dom.cleanseScripts(source);fluid.dom.insertAfter(source,target)}break}}}else{fluid.fail("Unrecognised position supplied to fluid.moveDom: "+position)}}}};fluid.normalisePosition=function(position,samespan,targeti,sourcei){if(position===fluid.position.REPLACE){position=samespan&&targeti>=sourcei?fluid.position.AFTER:fluid.position.BEFORE}return position};fluid.permuteDom=function(element,target,position,sourceelements,targetelements){element=fluid.unwrap(element);target=fluid.unwrap(target);var sourcei=$.inArray(element,sourceelements);if(sourcei===-1){fluid.fail("Error in permuteDom: source element "+fluid.dumpEl(element)+" not found in source list "+fluid.dumpEl(sourceelements))}var targeti=$.inArray(target,targetelements);if(targeti===-1){fluid.fail("Error in permuteDom: target element "+fluid.dumpEl(target)+" not found in source list "+fluid.dumpEl(targetelements))}var samespan=sourceelements===targetelements;position=fluid.normalisePosition(position,samespan,targeti,sourcei);var oldn={};oldn[fluid.position.AFTER]=element.nextSibling;oldn[fluid.position.BEFORE]=element.previousSibling;fluid.moveDom(sourceelements[sourcei],targetelements[targeti],position);var frontlimit=samespan?targeti-1:sourceelements.length-2;var i;if(position===fluid.position.BEFORE&&samespan){frontlimit--}if(!samespan||targeti>sourcei){for(i=frontlimit;i>sourcei;--i){fluid.moveDom(sourceelements[i+1],sourceelements[i],fluid.position.AFTER)}if(sourcei+1<sourceelements.length){fluid.moveDom(sourceelements[sourcei+1],oldn[fluid.position.AFTER],fluid.position.BEFORE)}}var backlimit=samespan?sourcei-1:targetelements.length-1;if(position===fluid.position.AFTER){targeti++}if(!samespan||targeti<sourcei){for(i=targeti;i<backlimit;++i){fluid.moveDom(targetelements[i],targetelements[i+1],fluid.position.BEFORE)}if(backlimit>=0&&backlimit<targetelements.length-1){fluid.moveDom(targetelements[backlimit],oldn[fluid.position.BEFORE],fluid.position.AFTER)}}};var curCss=function(a,name){return window.getComputedStyle?window.getComputedStyle(a,null).getPropertyValue(name):a.currentStyle[name]};var isAttached=function(node){while(node&&node.nodeName){if(node.nodeName==="BODY"){return true}node=node.parentNode}return false};var generalHidden=function(a){return"hidden"===a.type||curCss(a,"display")==="none"||curCss(a,"visibility")==="hidden"||!isAttached(a)};var computeGeometry=function(element,orientation,disposition){var elem={};elem.element=element;elem.orientation=orientation;if(disposition===fluid.position.INSIDE){elem.position=disposition}if(generalHidden(element)){elem.clazz="hidden"}var pos=fluid.dom.computeAbsolutePosition(element)||[0,0];var width=element.offsetWidth;var height=element.offsetHeight;elem.rect={left:pos[0],top:pos[1]};elem.rect.right=pos[0]+width;elem.rect.bottom=pos[1]+height;return elem};var SENTINEL_DIMENSION=10000;function dumprect(rect){return"Rect top: "+rect.top+" left: "+rect.left+" bottom: "+rect.bottom+" right: "+rect.right}function dumpelem(cacheelem){if(!cacheelem||!cacheelem.rect){return"null"}else{return dumprect(cacheelem.rect)+" position: "+cacheelem.position+" for "+fluid.dumpEl(cacheelem.element)}}fluid.dropManager=function(){var targets=[];var cache={};var that={};var lastClosest;var lastGeometry;var displacementX,displacementY;that.updateGeometry=function(geometricInfo){lastGeometry=geometricInfo;targets=[];cache={};var mapper=geometricInfo.elementMapper;for(var i=0;i<geometricInfo.extents.length;++i){var thisInfo=geometricInfo.extents[i];var orientation=thisInfo.orientation;var sides=fluid.rectSides[orientation];var processElement=function(element,sentB,sentF,disposition,j){var cacheelem=computeGeometry(element,orientation,disposition);cacheelem.owner=thisInfo;if(cacheelem.clazz!=="hidden"&&mapper){cacheelem.clazz=mapper(element)}cache[fluid.dropManager.cacheKey(element)]=cacheelem;var backClass=fluid.dropManager.getRelativeClass(thisInfo.elements,j,fluid.position.BEFORE,cacheelem.clazz,mapper);var frontClass=fluid.dropManager.getRelativeClass(thisInfo.elements,j,fluid.position.AFTER,cacheelem.clazz,mapper);if(disposition===fluid.position.INSIDE){targets[targets.length]=cacheelem}else{fluid.dropManager.splitElement(targets,sides,cacheelem,disposition,backClass,frontClass)}if(sentB&&geometricInfo.sentinelize){fluid.dropManager.sentinelizeElement(targets,sides,cacheelem,1,disposition,backClass)}if(sentF&&geometricInfo.sentinelize){fluid.dropManager.sentinelizeElement(targets,sides,cacheelem,0,disposition,frontClass)}return cacheelem};var allHidden=true;for(var j=0;j<thisInfo.elements.length;++j){var element=thisInfo.elements[j];var cacheelem=processElement(element,j===0,j===thisInfo.elements.length-1,fluid.position.INTERLEAVED,j);if(cacheelem.clazz!=="hidden"){allHidden=false}}if(allHidden&&thisInfo.parentElement){processElement(thisInfo.parentElement,true,true,fluid.position.INSIDE)}}};that.startDrag=function(event,handlePos,handleWidth,handleHeight){var handleMidX=handlePos[0]+handleWidth/2;var handleMidY=handlePos[1]+handleHeight/2;var dX=handleMidX-event.pageX;var dY=handleMidY-event.pageY;that.updateGeometry(lastGeometry);lastClosest=null;displacementX=dX;displacementY=dY;$("body").bind("mousemove.fluid-dropManager",that.mouseMove)};that.lastPosition=function(){return lastClosest};that.endDrag=function(){$("body").unbind("mousemove.fluid-dropManager")};that.mouseMove=function(evt){var x=evt.pageX+displacementX;var y=evt.pageY+displacementY;var closestTarget=that.closestTarget(x,y,lastClosest);if(closestTarget&&closestTarget!==fluid.dropManager.NO_CHANGE){lastClosest=closestTarget;that.dropChangeFirer.fire(closestTarget)}};that.dropChangeFirer=fluid.event.getEventFirer();var blankHolder={element:null};that.closestTarget=function(x,y,lastClosest){var mindistance=Number.MAX_VALUE;var minelem=blankHolder;var minlockeddistance=Number.MAX_VALUE;var minlockedelem=blankHolder;for(var i=0;i<targets.length;++i){var cacheelem=targets[i];if(cacheelem.clazz==="hidden"){continue}var distance=fluid.geom.minPointRectangle(x,y,cacheelem.rect);if(cacheelem.clazz==="locked"){if(distance<minlockeddistance){minlockeddistance=distance;minlockedelem=cacheelem}}else{if(distance<mindistance){mindistance=distance;minelem=cacheelem}if(distance===0){break}}}if(!minelem){return minelem}if(minlockeddistance>=mindistance){minlockedelem=blankHolder}if(lastClosest&&lastClosest.position===minelem.position&&fluid.unwrap(lastClosest.element)===fluid.unwrap(minelem.element)&&fluid.unwrap(lastClosest.lockedelem)===fluid.unwrap(minlockedelem.element)){return fluid.dropManager.NO_CHANGE}return{position:minelem.position,element:minelem.element,lockedelem:minlockedelem.element}};that.shuffleProjectFrom=function(element,direction,includeLocked,disableWrap){var togo=that.projectFrom(element,direction,includeLocked,disableWrap);if(togo){togo.position=fluid.position.REPLACE}return togo};that.projectFrom=function(element,direction,includeLocked,disableWrap){that.updateGeometry(lastGeometry);var cacheelem=cache[fluid.dropManager.cacheKey(element)];var projected=fluid.geom.projectFrom(cacheelem.rect,direction,targets,includeLocked,disableWrap);if(!projected.cacheelem){return null}var retpos=projected.cacheelem.position;return{element:projected.cacheelem.element,position:retpos?retpos:fluid.position.BEFORE}};that.logicalFrom=function(element,direction,includeLocked,disableWrap){var orderables=that.getOwningSpan(element,fluid.position.INTERLEAVED,includeLocked);return{element:fluid.dropManager.getRelativeElement(element,direction,orderables,disableWrap),position:fluid.position.REPLACE}};that.lockedWrapFrom=function(element,direction,includeLocked,disableWrap){var base=that.logicalFrom(element,direction,includeLocked,disableWrap);var selectables=that.getOwningSpan(element,fluid.position.INTERLEAVED,includeLocked);var allElements=cache[fluid.dropManager.cacheKey(element)].owner.elements;if(includeLocked||selectables[0]===allElements[0]){return base}var directElement=fluid.dropManager.getRelativeElement(element,direction,allElements,disableWrap);if(lastGeometry.elementMapper(directElement)==="locked"){base.element=null;base.clazz="locked"}return base};that.getOwningSpan=function(element,position,includeLocked){var owner=cache[fluid.dropManager.cacheKey(element)].owner;var elements=position===fluid.position.INSIDE?[owner.parentElement]:owner.elements;if(!includeLocked&&lastGeometry.elementMapper){elements=$.makeArray(elements);fluid.remove_if(elements,function(element){return lastGeometry.elementMapper(element)==="locked"})}return elements};that.geometricMove=function(element,target,position){var sourceElements=that.getOwningSpan(element,null,true);var targetElements=that.getOwningSpan(target,position,true);fluid.permuteDom(element,target,position,sourceElements,targetElements)};return that};fluid.dropManager.NO_CHANGE="no change";fluid.dropManager.cacheKey=function(element){return fluid.allocateSimpleId(element)};fluid.dropManager.sentinelizeElement=function(targets,sides,cacheelem,fc,disposition,clazz){var elemCopy=$.extend(true,{},cacheelem);elemCopy.rect[sides[fc]]=elemCopy.rect[sides[1-fc]]+(fc?1:-1);elemCopy.rect[sides[1-fc]]=(fc?-1:1)*SENTINEL_DIMENSION;elemCopy.position=disposition===fluid.position.INSIDE?disposition:(fc?fluid.position.BEFORE:fluid.position.AFTER);elemCopy.clazz=clazz;targets[targets.length]=elemCopy};fluid.dropManager.splitElement=function(targets,sides,cacheelem,disposition,clazz1,clazz2){var elem1=$.extend(true,{},cacheelem);var elem2=$.extend(true,{},cacheelem);var midpoint=(elem1.rect[sides[0]]+elem1.rect[sides[1]])/2;elem1.rect[sides[1]]=midpoint;elem1.position=fluid.position.BEFORE;elem2.rect[sides[0]]=midpoint;elem2.position=fluid.position.AFTER;elem1.clazz=clazz1;elem2.clazz=clazz2;targets[targets.length]=elem1;targets[targets.length]=elem2};fluid.dropManager.getRelativeClass=function(thisElements,index,relative,thisclazz,mapper){index+=relative;if(index<0&&thisclazz==="locked"){return"locked"}if(index>=thisElements.length||mapper===null){return null}else{relative=thisElements[index];return mapper(relative)==="locked"&&thisclazz==="locked"?"locked":null}};fluid.dropManager.getRelativeElement=function(element,direction,elements,disableWrap){var folded=fluid.directionSign(direction);var index=$(elements).index(element)+folded;if(index<0){index+=elements.length}if(disableWrap){if(index===elements.length||index===(elements.length+folded)){return element}}index%=elements.length;return elements[index]};fluid.geom=fluid.geom||{};fluid.geom.minPointRectangle=function(x,y,rectangle){var dx=x<rectangle.left?(rectangle.left-x):(x>rectangle.right?(x-rectangle.right):0);var dy=y<rectangle.top?(rectangle.top-y):(y>rectangle.bottom?(y-rectangle.bottom):0);return dx*dx+dy*dy};fluid.geom.minRectRect=function(rect1,rect2){var dx=rect1.right<rect2.left?rect2.left-rect1.right:rect2.right<rect1.left?rect1.left-rect2.right:0;var dy=rect1.bottom<rect2.top?rect2.top-rect1.bottom:rect2.bottom<rect1.top?rect1.top-rect2.bottom:0;return dx*dx+dy*dy};var makePenCollect=function(){return{mindist:Number.MAX_VALUE,minrdist:Number.MAX_VALUE}};fluid.geom.projectFrom=function(baserect,direction,targets,forSelection,disableWrap){var axis=fluid.directionAxis(direction);var frontSide=fluid.rectSides[direction];var backSide=fluid.rectSides[axis*15+5-direction];var dirSign=fluid.directionSign(direction);var penrect={left:(7*baserect.left+1*baserect.right)/8,right:(5*baserect.left+3*baserect.right)/8,top:(7*baserect.top+1*baserect.bottom)/8,bottom:(5*baserect.top+3*baserect.bottom)/8};penrect[frontSide]=dirSign*SENTINEL_DIMENSION;penrect[backSide]=-penrect[frontSide];function accPen(collect,cacheelem,backSign){var thisrect=cacheelem.rect;var pdist=fluid.geom.minRectRect(penrect,thisrect);var rdist=-dirSign*backSign*(baserect[backSign===1?frontSide:backSide]-thisrect[backSign===1?backSide:frontSide]);if(pdist<=collect.mindist&&rdist>=0){if(pdist===collect.mindist&&rdist*backSign>collect.minrdist){return }collect.minrdist=rdist*backSign;collect.mindist=pdist;collect.minelem=cacheelem}}var collect=makePenCollect();var backcollect=makePenCollect();var lockedcollect=makePenCollect();for(var i=0;i<targets.length;++i){var elem=targets[i];var isPure=elem.owner&&elem.element===elem.owner.parentElement;if(elem.clazz==="hidden"||(forSelection&&isPure)){continue}else{if(!forSelection&&elem.clazz==="locked"){accPen(lockedcollect,elem,1)}else{accPen(collect,elem,1);accPen(backcollect,elem,-1)}}}var wrap=!collect.minelem||backcollect.mindist<collect.mindist;wrap=wrap&&!disableWrap;var mincollect=wrap?backcollect:collect;var togo={wrapped:wrap,cacheelem:mincollect.minelem};if(lockedcollect.mindist<mincollect.mindist){togo.lockedelem=lockedcollect.minelem}return togo}})(jQuery,fluid_1_4);
projects / atutor.git / blob