window.onload=startGui;var converter;var convertTextTimer,processingTime;var lastText,lastOutput,lastRoomLeft;var convertTextSetting,paneSetting;var inputPane,previewPane,syntaxPane;var maxDelay=3000;function startGui(){convertTextSetting='continuous';if(!document.getElementById("preview")){return false;}
previewPane=document.getElementById("preview");paneSetting=document.getElementById("paneSetting");inputPane=document.getElementById("id_text");syntaxPane=document.getElementById("syntaxPane");convertTextSetting.onchange=onConvertTextSettingChanged;paneSetting.onchange=onPaneSettingChanged;window.onkeyup=inputPane.onkeyup=onInput;var pollingFallback=window.setInterval(function(){if(inputPane.value!=lastText)
onInput();},1000);inputPane.onpaste=function(){if(pollingFallback!=undefined){window.clearInterval(pollingFallback);pollingFallback=undefined;}
onInput();}
if(inputPane.addEventListener){inputPane.addEventListener("input",inputPane.onpaste,false);}
onPaneSettingChanged();converter=new Showdown.converter();convertText();previewPane.scrollTop=0;}
function convertText(){var text=inputPane.value;if(text&&text==lastText){return;}else{lastText=text;}
var startTime=new Date().getTime();text=converter.makeHtml(text);var endTime=new Date().getTime();processingTime=endTime-startTime;saveScrollPositions();if(paneSetting.value=="previewPane"){previewPane.innerHTML=text;}
lastOutput=text;restoreScrollPositions();};function onConvertTextSettingChanged(){onInput();}
function onPaneSettingChanged(){if(paneSetting.value=="previewPane"){previewPane.innerHTML=lastOutput;}else if(paneSetting.value=="syntaxPane"){previewPane.innerHTML=syntaxPane.innerHTML;}}
function onInput(){if(convertTextTimer){window.clearTimeout(convertTextTimer);convertTextTimer=undefined;}
if(convertTextSetting.value!="manual"){var timeUntilConvertText=0;if(convertTextSetting.value=="delayed"){timeUntilConvertText=processingTime;}
if(timeUntilConvertText>maxDelay)
timeUntilConvertText=maxDelay;convertTextTimer=window.setTimeout(convertText,timeUntilConvertText);}}
var previewScrollPos;var outputScrollPos;function getScrollPos(element){if(element.scrollHeight<=element.clientHeight)
return 1.0;return element.scrollTop/(element.scrollHeight-element.clientHeight);}
function setScrollPos(element,pos){element.scrollTop=(element.scrollHeight-element.clientHeight)*pos;}
function saveScrollPositions(){previewScrollPos=getScrollPos(previewPane);}
function restoreScrollPositions(){previewPane.scrollTop=previewPane.scrollTop;setScrollPos(previewPane,previewScrollPos);}