(function($){var textareasToListen=[];var buttonsToListen=[];var alertedOnFail=false;var consecutiveFailCount=0;var textById={};var updateButtonsPosition=function(){$.each(textareasToListen,function(index,textarea){var button=buttonsToListen[index];var buttonContainer=textarea;if(buttonContainer.is(":hidden")){button.hide();}
var buttonContainerSelector=button.attr("buttonContainerSelector");if(buttonContainerSelector&&buttonContainerSelector.length>0){buttonContainer=$($(buttonContainerSelector)[0]);}
var xOffset=buttonContainer.get(0).clientWidth-button.outerWidth()-6;var yOffset=8;var buttonXOffset=button.attr("buttonXOffset");if(buttonXOffset){xOffset+=parseInt(buttonXOffset);}
var buttonYOffset=button.attr("buttonYOffset");if(buttonYOffset){yOffset+=parseInt(buttonYOffset);}
button.css("top",buttonContainer.position().top+yOffset);button.css("left",buttonContainer.position().left+xOffset);if(!buttonContainer.is(":hidden")){button.show();}});};setInterval(updateButtonsPosition,200);function showDraftsPopup(textarea,settings){var popup=$(".drafts-popup");var entries=popup.find(".drafts-entries");entries.find(".drafts-button").click(function(){settings["useItHandler"](textarea,$(this).parent().prev().text());$(".drafts-popup").fadeOut();});popup.show();popup.css("top",pageYOffset);}
function addDraftEntry(item,settings){var popup=$(".drafts-popup");var entries=popup.find(".drafts-entries");var hasSame=false;entries.find(".drafts-entry-body").each(function(){if($(this).text()==item){hasSame=true;return false;}});if(!hasSame){$("").text(item).appendTo(entries);$(""+settings["textUseIt"]+"
").appendTo(entries);}}
function addFromLocalStorage(publicKey,key,settings){if(publicKey&&key){var text=window.localStorage["draft-"+publicKey];if(text){try{text=sjcl.decrypt(key,text);addDraftEntry(text,settings);}catch(e){window.localStorage.removeItem("draft-"+publicKey);}}}}
function putToLocalStorage(publicKey,key,text){if(publicKey&&key&&text){if(window.localStorage){window.localStorage["draft-"+publicKey]=sjcl.encrypt(key,text);}}}
$.fn.drafts=function(options){var settings=$.extend({textDrafts:'Drafts',textUseIt:'Use it',url:'/data/drafts.php',pollDelay:5000,showDelay:2500,saveErrorMessage:"Can't save draft. Possibly connection is lost or session is expired. Stay on the page (cancel to reload)?",useItHandler:function(textarea,text){textarea.val(text);}});$.extend(settings,{saveErrorHandler:function(){if(!confirm(settings["saveErrorMessage"])){location.reload();}}});$.extend(settings,options);var textareas=this;var hasDraftsPrototype=false;var hasDraftsPopup=false;setTimeout(function(){textareas.each(function(){var textarea=$(this);if(textarea.parent()[0].tagName.toLowerCase()==="arclones"){return;}
if(!hasDraftsPrototype&&$(".drafts-prototype").length===0){$(""
+settings["textDrafts"]
+"
").appendTo($("body"));hasDraftsPrototype=true;}
if(!hasDraftsPopup&&$(".drafts-popup").length===0){$("").appendTo($("body"));hasDraftsPopup=true;}
if(textarea.prop("tagName").toLowerCase()!=="textarea"){$.error("jquery.drafts.js can be used only for textareas, but "+textarea.prop("tagName").toLowerCase()+" found.");}
if(!textarea.attr("data-drafts-id")){$.error("jquery.drafts.js requires textarea to have attribute data-drafts-id.");}
var id=textarea.attr("data-drafts-id");var publicKey;var key;var textChanged=false;window.setTimeout(function(){textarea.change(function(){textChanged=true;});textarea.bind('input propertychange',function(){textChanged=true;});},60000);window.setInterval(function(){if(!key){$.post(settings["url"],{action:'getKey',id:id},function(result){publicKey=result["publicKey"];key=result["key"];},"json");}
if(key&&textChanged){putToLocalStorage(publicKey,key,textarea.val());textChanged=false;}},1000);var button=$(".drafts-prototype").clone().removeClass("drafts-prototype").css("opacity","0.2");button.mouseover(function(){button.css("opacity","1.0");});button.mouseleave(function(){button.css("opacity","0.2");});button.click(function(){var popup=$(".drafts-popup");var entries=popup.find(".drafts-entries");$.post(settings["url"],{action:'get',id:id},function(items){entries.empty();addFromLocalStorage(publicKey,key,settings);$.each(items,function(index,item){addDraftEntry(item,settings);});showDraftsPopup(textarea,settings);},"json");});var buttonXOffset=settings["buttonXOffset"];if(buttonXOffset){button.attr("buttonXOffset",buttonXOffset);}
var buttonYOffset=settings["buttonYOffset"];if(buttonYOffset){button.attr("buttonYOffset",buttonYOffset);}
var buttonContainerSelector=settings["buttonContainerSelector"];if(buttonContainerSelector&&buttonContainerSelector.length>0){button.attr("buttonContainerSelector",buttonContainerSelector);$($(buttonContainerSelector)[0]).append(button);}else{$(textarea.parent()).append(button);}
button.css("position","absolute");textareasToListen.push(textarea);buttonsToListen.push(button);updateButtonsPosition();$(".drafts-popup .drafts-close").click(function(){$(".drafts-popup").fadeOut();});$(document).keydown(function(e){if(e.keyCode===27){$(".drafts-popup").fadeOut();}});window.setInterval(function(){var text=textarea.val();var innerButton=button.find(".drafts-button");if(textById[id]===text){return;}
textById[id]=text;$.post(settings["url"],{action:'put',id:id,text:text},function(response){if(response==="OK"){consecutiveFailCount=0;if(!innerButton.hasClass("drafts-online")){innerButton.removeClass("drafts-offline");innerButton.addClass("drafts-online");}}else{++consecutiveFailCount;if(!innerButton.hasClass("drafts-offline")){innerButton.removeClass("drafts-online");innerButton.addClass("drafts-offline");}
if(consecutiveFailCount>=5*textareasToListen.length&&!alertedOnFail){alertedOnFail=true;settings["saveErrorHandler"]();}}},"json").fail(function(){++consecutiveFailCount;if(!innerButton.hasClass("drafts-offline")){innerButton.removeClass("drafts-online");innerButton.addClass("drafts-offline");}
if(consecutiveFailCount>=5*textareasToListen.length&&!alertedOnFail){alertedOnFail=true;settings["saveErrorHandler"]();}});},settings["pollDelay"]);});},settings["showDelay"]);return this;};})(jQuery);