mootools-1.2.1-more.js

这是一个开源的博客源码

//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(B,A){this.element=this.subject=$(B);this.parent(A);var D=this.cancel.bind(this,false);
if($type(this.element)!="element"){this.element=$(this.element.getDocument().body);}var C=this.element;if(this.options.wheelStops){this.addEvent("start",function(){C.addEvent("mousewheel",D);
},true);this.addEvent("complete",function(){C.removeEvent("mousewheel",D);},true);}},set:function(){var A=Array.flatten(arguments);this.element.scrollTo(A[0],A[1]);
},compute:function(E,D,C){var B=[];var A=2;A.times(function(F){B.push(Fx.compute(E[F],D[F],C));});return B;},start:function(C,H){if(!this.check(arguments.callee,C,H)){return this;
}var E=this.element.getSize(),F=this.element.getScrollSize();var B=this.element.getScroll(),D={x:C,y:H};for(var G in D){var A=F[G]-E[G];if($chk(D[G])){D[G]=($type(D[G])=="number")?D[G].limit(0,A):A;
}else{D[G]=B[G];}D[G]+=this.options.offset[G];}return this.parent([B.x,B.y],[D.x,D.y]);},toTop:function(){return this.start(false,0);},toLeft:function(){return this.start(0,false);
},toRight:function(){return this.start("right",false);},toBottom:function(){return this.start(false,"bottom");},toElement:function(B){var A=$(B).getPosition(this.element);
return this.start(A.x,A.y);}});var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:"px",grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,modifiers:{x:"left",y:"top"}},initialize:function(){var B=Array.link(arguments,{options:Object.type,element:$defined});
this.element=$(B.element);this.document=this.element.getDocument();this.setOptions(B.options||{});var A=$type(this.options.handle);this.handles=(A=="array"||A=="collection")?$$(this.options.handle):$(this.options.handle)||this.element;
this.mouse={now:{},pos:{}};this.value={start:{},now:{}};this.selection=(Browser.Engine.trident)?"selectstart":"mousedown";this.bound={start:this.start.bind(this),check:this.check.bind(this),drag:this.drag.bind(this),stop:this.stop.bind(this),cancel:this.cancel.bind(this),eventStop:$lambda(false)};
this.attach();},attach:function(){this.handles.addEvent("mousedown",this.bound.start);return this;},detach:function(){this.handles.removeEvent("mousedown",this.bound.start);
return this;},start:function(C){if(this.options.preventDefault){C.preventDefault();}this.fireEvent("beforeStart",this.element);this.mouse.start=C.page;
var A=this.options.limit;this.limit={x:[],y:[]};for(var D in this.options.modifiers){if(!this.options.modifiers[D]){continue;}if(this.options.style){this.value.now[D]=this.element.getStyle(this.options.modifiers[D]).toInt();
}else{this.value.now[D]=this.element[this.options.modifiers[D]];}if(this.options.invert){this.value.now[D]*=-1;}this.mouse.pos[D]=C.page[D]-this.value.now[D];
if(A&&A[D]){for(var B=2;B--;B){if($chk(A[D][B])){this.limit[D][B]=$lambda(A[D][B])();}}}}if($type(this.options.grid)=="number"){this.options.grid={x:this.options.grid,y:this.options.grid};
}this.document.addEvents({mousemove:this.bound.check,mouseup:this.bound.cancel});this.document.addEvent(this.selection,this.bound.eventStop);},check:function(A){if(this.options.preventDefault){A.preventDefault();
}var B=Math.round(Math.sqrt(Math.pow(A.page.x-this.mouse.start.x,2)+Math.pow(A.page.y-this.mouse.start.y,2)));if(B>this.options.snap){this.cancel();this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop});
this.fireEvent("start",this.element).fireEvent("snap",this.element);}},drag:function(A){if(this.options.preventDefault){A.preventDefault();}this.mouse.now=A.page;
for(var B in this.options.modifiers){if(!this.options.modifiers[B]){continue;}this.value.now[B]=this.mouse.now[B]-this.mouse.pos[B];if(this.options.invert){this.value.now[B]*=-1;
}if(this.options.limit&&this.limit[B]){if($chk(this.limit[B][1])&&(this.value.now[B]>this.limit[B][1])){this.value.now[B]=this.limit[B][1];}else{if($chk(this.limit[B][0])&&(this.value.now[B]<this.limit[B][0])){this.value.now[B]=this.limit[B][0];
}}}if(this.options.grid[B]){this.value.now[B]-=(this.value.now[B]%this.options.grid[B]);}if(this.options.style){this.element.setStyle(this.options.modifiers[B],this.value.now[B]+this.options.unit);
}else{this.element[this.options.modifiers[B]]=this.value.now[B];}}this.fireEvent("drag",this.element);},cancel:function(A){this.document.removeEvent("mousemove",this.bound.check);
this.document.removeEvent("mouseup",this.bound.cancel);if(A){this.document.removeEvent(this.selection,this.bound.eventStop);this.fireEvent("cancel",this.element);
}},stop:function(A){this.document.removeEvent(this.selection,this.bound.eventStop);this.document.removeEvent("mousemove",this.bound.drag);this.document.removeEvent("mouseup",this.bound.stop);
if(A){this.fireEvent("complete",this.element);}}});Element.implement({makeResizable:function(A){return new Drag(this,$merge({modifiers:{x:"width",y:"height"}},A));
}});Drag.Move=new Class({Extends:Drag,options:{droppables:[],container:false},initialize:function(C,B){this.parent(C,B);this.droppables=$$(this.options.droppables);
this.container=$(this.options.container);if(this.container&&$type(this.container)!="element"){this.container=$(this.container.getDocument().body);}C=this.element;
var D=C.getStyle("position");var A=(D!="static")?D:"absolute";if(C.getStyle("left")=="auto"||C.getStyle("top")=="auto"){C.position(C.getPosition(C.offsetParent));
}C.setStyle("position",A);this.addEvent("start",function(){this.checkDroppables();},true);},start:function(B){if(this.container){var D=this.element,J=this.container,E=J.getCoordinates(D.offsetParent),F={},A={};
["top","right","bottom","left"].each(function(K){F[K]=J.getStyle("padding-"+K).toInt();A[K]=D.getStyle("margin-"+K).toInt();},this);var C=D.offsetWidth+A.left+A.right,I=D.offsetHeight+A.top+A.bottom;
var H=[E.left+F.left,E.right-F.right-C];var G=[E.top+F.top,E.bottom-F.bottom-I];this.options.limit={x:H,y:G};}this.parent(B);},checkAgainst:function(B){B=B.getCoordinates();
var A=this.mouse.now;return(A.x>B.left&&A.x<B.right&&A.y<B.bottom&&A.y>B.top);},checkDroppables:function(){var A=this.droppables.filter(this.checkAgainst,this).getLast();
if(this.overed!=A){if(this.overed){this.fireEvent("leave",[this.element,this.overed]);}if(A){this.overed=A;this.fireEvent("enter",[this.element,A]);}else{this.overed=null;
}}},drag:function(A){this.parent(A);if(this.droppables.length){this.checkDroppables();}},stop:function(A){this.checkDroppables();this.fireEvent("drop",[this.element,this.overed]);
this.overed=null;return this.parent(A);}});Element.implement({makeDraggable:function(A){return new Drag.Move(this,A);}});var Sortables=new Class({Implements:[Events,Options],options:{snap:4,opacity:1,clone:false,revert:false,handle:false,constrain:false},initialize:function(A,B){this.setOptions(B);
this.elements=[];this.lists=[];this.idle=true;this.addLists($$($(A)||A));if(!this.options.clone){this.options.revert=false;}if(this.options.revert){this.effect=new Fx.Morph(null,$merge({duration:250,link:"cancel"},this.options.revert));
}},attach:function(){this.addLists(this.lists);return this;},detach:function(){this.lists=this.removeLists(this.lists);return this;},addItems:function(){Array.flatten(arguments).each(function(A){this.elements.push(A);
var B=A.retrieve("sortables:start",this.start.bindWithEvent(this,A));(this.options.handle?A.getElement(this.options.handle)||A:A).addEvent("mousedown",B);
},this);return this;},addLists:function(){Array.flatten(arguments).each(function(A){this.lists.push(A);this.addItems(A.getChildren());},this);return this;
},removeItems:function(){var A=[];Array.flatten(arguments).each(function(B){A.push(B);this.elements.erase(B);var C=B.retrieve("sortables:start");(this.options.handle?B.getElement(this.options.handle)||B:B).removeEvent("mousedown",C);
},this);return $$(A);},removeLists:function(){var A=[];Array.flatten(arguments).each(function(B){A.push(B);this.lists.erase(B);this.removeItems(B.getChildren());
},this);return $$(A);},getClone:function(B,A){if(!this.options.clone){return new Element("div").inject(document.body);}if($type(this.options.clone)=="function"){return this.options.clone.call(this,B,A,this.list);
}return A.clone(true).setStyles({margin:"0px",position:"absolute",visibility:"hidden",width:A.getStyle("width")}).inject(this.list).position(A.getPosition(A.getOffsetParent()));
},getDroppables:function(){var A=this.list.getChildren();if(!this.options.constrain){A=this.lists.concat(A).erase(this.list);}return A.erase(this.clone).erase(this.element);
},insert:function(C,B){var A="inside";if(this.lists.contains(B)){this.list=B;this.drag.droppables=this.getDroppables();}else{A=this.element.getAllPrevious().contains(B)?"before":"after";
}this.element.inject(B,A);this.fireEvent("sort",[this.element,this.clone]);},start:function(B,A){if(!this.idle){return ;}this.idle=false;this.element=A;
this.opacity=A.get("opacity");this.list=A.getParent();this.clone=this.getClone(B,A);this.drag=new Drag.Move(this.clone,{snap:this.options.snap,container:this.options.constrain&&this.element.getParent(),droppables:this.getDroppables(),onSnap:function(){B.stop();
this.clone.setStyle("visibility","visible");this.element.set("opacity",this.options.opacity||0);this.fireEvent("start",[this.element,this.clone]);}.bind(this),onEnter:this.insert.bind(this),onCancel:this.reset.bind(this),onComplete:this.end.bind(this)});
this.clone.inject(this.element,"before");this.drag.start(B);},end:function(){this.drag.detach();this.element.set("opacity",this.opacity);if(this.effect){var A=this.element.getStyles("width","height");
var B=this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));this.effect.element=this.clone;this.effect.start({top:B.top,left:B.left,width:A.width,height:A.height,opacity:0.25}).chain(this.reset.bind(this));
}else{this.reset();}},reset:function(){this.idle=true;this.clone.destroy();this.fireEvent("complete",this.element);},serialize:function(){var C=Array.link(arguments,{modifier:Function.type,index:$defined});
var B=this.lists.map(function(D){return D.getChildren().map(C.modifier||function(E){return E.get("id");},this);},this);var A=C.index;if(this.lists.length==1){A=0;
}return $chk(A)&&A>=0&&A<this.lists.length?B[A]:B;}});