Monorail Hands-On

/*
 * Ext JS Library 1.0.1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://www.extjs.com/license
 */

(function(){Ext.Layer=function(_1,_2){_1=_1||{};var dh=Ext.DomHelper;var cp=_1.parentEl,_5=cp?Ext.getDom(cp):document.body;if(_2){this.dom=Ext.getDom(_2);}if(!this.dom){var o=_1.dh||{tag:"div",cls:"x-layer"};this.dom=dh.append(_5,o);}if(_1.cls){this.addClass(_1.cls);}this.constrain=_1.constrain!==false;this.visibilityMode=Ext.Element.VISIBILITY;if(_1.id){this.id=this.dom.id=_1.id;}else{this.id=Ext.id(this.dom);}this.zindex=_1.zindex||this.getZIndex();this.position("absolute",this.zindex);if(_1.shadow){this.shadowOffset=_1.shadowOffset||4;this.shadow=new Ext.Shadow({offset:this.shadowOffset,mode:_1.shadow});}else{this.shadowOffset=0;}this.useShim=_1.shim!==false&&Ext.useShims;this.useDisplay=_1.useDisplay;this.hide();};var _7=Ext.Element.prototype;var _8=[];Ext.extend(Ext.Layer,Ext.Element,{getZIndex:function(){return this.zindex||parseInt(this.getStyle("z-index"),10)||11000;},getShim:function(){if(!this.useShim){return null;}if(this.shim){return this.shim;}var _9=_8.shift();if(!_9){_9=this.createShim();_9.enableDisplayMode("block");_9.dom.style.display="none";_9.dom.style.visibility="visible";}var pn=this.dom.parentNode;if(_9.dom.parentNode!=pn){pn.insertBefore(_9.dom,this.dom);}_9.setStyle("z-index",this.getZIndex()-2);this.shim=_9;return _9;},hideShim:function(){if(this.shim){this.shim.setDisplayed(false);_8.push(this.shim);delete this.shim;}},disableShadow:function(){if(this.shadow){this.shadowDisabled=true;this.shadow.hide();this.lastShadowOffset=this.shadowOffset;this.shadowOffset=0;}},enableShadow:function(_b){if(this.shadow){this.shadowDisabled=false;this.shadowOffset=this.lastShadowOffset;delete this.lastShadowOffset;if(_b){this.sync(true);}}},sync:function(_c){var sw=this.shadow;if(!this.updating&&this.isVisible()&&(sw||this.useShim)){var sh=this.getShim();var w=this.getWidth(),h=this.getHeight();var l=this.getLeft(true),t=this.getTop(true);if(sw&&!this.shadowDisabled){if(_c&&!sw.isVisible()){sw.show(this);}else{sw.realign(l,t,w,h);}if(sh){if(_c){sh.show();}var a=sw.adjusts,s=sh.dom.style;s.left=(Math.min(l,l+a.l))+"px";s.top=(Math.min(t,t+a.t))+"px";s.width=(w+a.w)+"px";s.height=(h+a.h)+"px";}}else{if(sh){if(_c){sh.show();}sh.setSize(w,h);sh.setLeftTop(l,t);}}}},destroy:function(){this.hideShim();if(this.shadow){this.shadow.hide();}this.removeAllListeners();var pn=this.dom.parentNode;if(pn){pn.removeChild(this.dom);}Ext.Element.uncache(this.id);},remove:function(){this.destroy();},beginUpdate:function(){this.updating=true;},endUpdate:function(){this.updating=false;this.sync(true);},hideUnders:function(_16){if(this.shadow){this.shadow.hide();}this.hideShim();},constrainXY:function(){if(this.constrain){var vw=Ext.lib.Dom.getViewWidth(),vh=Ext.lib.Dom.getViewHeight();var s=Ext.get(document).getScroll();var xy=this.getXY();var x=xy[0],y=xy[1];var w=this.dom.offsetWidth+this.shadowOffset,h=this.dom.offsetHeight+this.shadowOffset;var _1f=false;if((x+w)>vw+s.left){x=vw-w-this.shadowOffset;_1f=true;}if((y+h)>vh+s.top){y=vh-h-this.shadowOffset;_1f=true;}if(x<s.left){x=s.left;_1f=true;}if(y<s.top){y=s.top;_1f=true;}if(_1f){if(this.avoidY){var ay=this.avoidY;if(y<=ay&&(y+h)>=ay){y=ay-h-5;}}xy=[x,y];this.storeXY(xy);_7.setXY.call(this,xy);this.sync();}}},isVisible:function(){return this.visible;},showAction:function(){this.visible=true;if(this.useDisplay===true){this.setDisplayed("");}else{if(this.lastXY){_7.setXY.call(this,this.lastXY);}else{if(this.lastLT){_7.setLeftTop.call(this,this.lastLT[0],this.lastLT[1]);}}}},hideAction:function(){this.visible=false;if(this.useDisplay===true){this.setDisplayed(false);}else{this.setLeftTop(-10000,-10000);}},setVisible:function(v,a,d,c,e){if(v){this.showAction();}if(a&&v){var cb=function(){this.sync(true);if(c){c();}}.createDelegate(this);_7.setVisible.call(this,true,true,d,cb,e);}else{if(!v){this.hideUnders(true);}var cb=c;if(a){cb=function(){this.hideAction();if(c){c();}}.createDelegate(this);}_7.setVisible.call(this,v,a,d,cb,e);if(v){this.sync(true);}else{if(!a){this.hideAction();}}}},storeXY:function(xy){delete this.lastLT;this.lastXY=xy;},storeLeftTop:function(_28,top){delete this.lastXY;this.lastLT=[_28,top];},beforeFx:function(){this.beforeAction();return Ext.Layer.superclass.beforeFx.apply(this,arguments);},afterFx:function(){Ext.Layer.superclass.afterFx.apply(this,arguments);this.sync(this.isVisible());},beforeAction:function(){if(!this.updating&&this.shadow){this.shadow.hide();}},setLeft:function(_2a){this.storeLeftTop(_2a,this.getTop(true));_7.setLeft.apply(this,arguments);this.sync();},setTop:function(top){this.storeLeftTop(this.getLeft(true),top);_7.setTop.apply(this,arguments);this.sync();},setLeftTop:function(_2c,top){this.storeLeftTop(_2c,top);_7.setLeftTop.apply(this,arguments);this.sync();},setXY:function(xy,a,d,c,e){this.fixDisplay();this.beforeAction();this.storeXY(xy);var cb=this.createCB(c);_7.setXY.call(this,xy,a,d,cb,e);if(!a){cb();}},createCB:function(c){var el=this;return function(){el.constrainXY();el.sync(true);if(c){c();}};},setX:function(x,a,d,c,e){this.setXY([x,this.getY()],a,d,c,e);},setY:function(y,a,d,c,e){this.setXY([this.getX(),y],a,d,c,e);},setSize:function(w,h,a,d,c,e){this.beforeAction();var cb=this.createCB(c);_7.setSize.call(this,w,h,a,d,cb,e);if(!a){cb();}},setWidth:function(w,a,d,c,e){this.beforeAction();var cb=this.createCB(c);_7.setWidth.call(this,w,a,d,cb,e);if(!a){cb();}},setHeight:function(h,a,d,c,e){this.beforeAction();var cb=this.createCB(c);_7.setHeight.call(this,h,a,d,cb,e);if(!a){cb();}},setBounds:function(x,y,w,h,a,d,c,e){this.beforeAction();var cb=this.createCB(c);if(!a){this.storeXY([x,y]);_7.setXY.call(this,[x,y]);_7.setSize.call(this,w,h,a,d,cb,e);cb();}else{_7.setBounds.call(this,x,y,w,h,a,d,cb,e);}return this;},setZIndex:function(_5c){this.zindex=_5c;this.setStyle("z-index",_5c+2);if(this.shadow){this.shadow.setZIndex(_5c+1);}if(this.shim){this.shim.setStyle("z-index",_5c);}}});})();