// ----------------------------------------------------------------------------
// markItUp! Universal MarkUp Engine, JQuery plugin
// v 1.1.4
// Dual licensed under the MIT and GPL licenses.
// ----------------------------------------------------------------------------
// Copyright (C) 2007-2008 Jay Salvat
// http://markitup.jaysalvat.com/
// ----------------------------------------------------------------------------
(function(jQuery){jQuery.fn.markItUp=function(settings,extraSettings){var options,ctrlKey,shiftKey,altKey;ctrlKey=shiftKey=altKey=false;options={id:'',nameSpace:'',root:'',previewInWindow:'',previewAutoRefresh:true,previewPosition:'after',previewTemplatePath:'~/templates/preview.html',previewParserPath:'',previewParserVar:'data',resizeHandle:true,beforeInsert:'',afterInsert:'',onEnter:{},onShiftEnter:{},onCtrlEnter:{},onTab:{},markupSet:[{}]};jQuery.extend(options,settings,extraSettings);if(!options.root){jQuery('script').each(function(a,tag){miuScript=jQuery(tag).get(0).src.match(/(.*)jquery\.markitup(\.pack)?\.jsjQuery/);if(miuScript!==null){options.root=miuScript[1]}})}return this.each(function(){var jQueryjQuery,textarea,levels,scrollPosition,caretPosition,caretOffset,clicked,hash,header,footer,previewWindow,template,iFrame,abort;jQueryjQuery=jQuery(this);textarea=this;levels=[];abort=false;scrollPosition=caretPosition=0;caretOffset=-1;options.previewParserPath=localize(options.previewParserPath);options.previewTemplatePath=localize(options.previewTemplatePath);function localize(data,inText){if(inText){return data.replace(/("|')~\//g,"jQuery1"+options.root)}return data.replace(/^~\//,options.root)}function init(){id='';nameSpace='';if(options.id){id='id="'+options.id+'"'}else if(jQueryjQuery.attr("id")){id='id="markItUp'+(jQueryjQuery.attr("id").substr(0,1).toUpperCase())+(jQueryjQuery.attr("id").substr(1))+'"'}if(options.nameSpace){nameSpace='class="'+options.nameSpace+'"'}jQueryjQuery.wrap('<div '+nameSpace+'></div>');jQueryjQuery.wrap('<div '+id+' class="markItUp"></div>');jQueryjQuery.wrap('<div class="markItUpContainer"></div>');jQueryjQuery.addClass("markItUpEditor");header=jQuery('<div class="markItUpHeader"></div>').insertBefore(jQueryjQuery);jQuery(dropMenus(options.markupSet)).appendTo(header);footer=jQuery('<div class="markItUpFooter"></div>').insertAfter(jQueryjQuery);if(options.resizeHandle===true&&jQuery.browser.safari!==true){resizeHandle=jQuery('<div class="markItUpResizeHandle"></div>').insertAfter(jQueryjQuery).bind("mousedown",function(e){var h=jQueryjQuery.height(),y=e.clientY,mouseMove,mouseUp;mouseMove=function(e){jQueryjQuery.css("height",Math.max(20,e.clientY+h-y)+"px");return false};mouseUp=function(e){jQuery("html").unbind("mousemove",mouseMove).unbind("mouseup",mouseUp);return false};jQuery("html").bind("mousemove",mouseMove).bind("mouseup",mouseUp)});footer.append(resizeHandle)}jQueryjQuery.keydown(keyPressed).keyup(keyPressed);jQueryjQuery.bind("insertion",function(e,settings){if(settings.target!==false){get()}if(textarea===jQuery.markItUp.focused){markup(settings)}});jQueryjQuery.focus(function(){jQuery.markItUp.focused=this})}function dropMenus(markupSet){var ul=jQuery('<ul></ul>'),i=0;jQuery('li:hover > ul',ul).css('display','block');jQuery(markupSet).each(function(){var button=this,t='',title,li,j;title=(button.key)?(button.name||'')+' [Ctrl+'+button.key+']':(button.name||'');key=(button.key)?'accesskey="'+button.key+'"':'';if(button.separator){li=jQuery('<li class="markItUpSeparator">'+(button.separator||'')+'</li>').appendTo(ul)}else{i++;for(j=levels.length-1;j>=0;j--){t+=levels[j]+"-"}li=jQuery('<li class="markItUpButton markItUpButton'+t+(i)+' '+(button.className||'')+'"><a href="" '+key+' title="'+title+'">'+(button.name||'')+'</a></li>').bind("contextmenu",function(){return false}).click(function(){return false}).mouseup(function(){if(button.call){eval(button.call)()}markup(button);return false}).hover(function(){jQuery('> ul',this).show();jQuery(document).one('click',function(){jQuery('ul ul',header).hide()})},function(){jQuery('> ul',this).hide()}).appendTo(ul);if(button.dropMenu){levels.push(i);jQuery(li).addClass('markItUpDropMenu').append(dropMenus(button.dropMenu))}}});levels.pop();return ul}function magicMarkups(string){if(string){string=string.toString();string=string.replace(/\(\!\(([\s\S]*?)\)\!\)/g,function(x,a){var b=a.split('|!|');if(altKey===true){return(b[1]!==undefined)?b[1]:b[0]}else{return(b[1]===undefined)?"":b[0]}});string=string.replace(/\[\!\[([\s\S]*?)\]\!\]/g,function(x,a){var b=a.split(':!:');if(abort===true){return false}value=prompt(b[0],(b[1])?b[1]:'');if(value===null){abort=true}return value});return string}return""}function prepare(action){if(jQuery.isFunction(action)){action=action(hash)}return magicMarkups(action)}function build(string){openWith=prepare(clicked.openWith);placeHolder=prepare(clicked.placeHolder);replaceWith=prepare(clicked.replaceWith);closeWith=prepare(clicked.closeWith);if(replaceWith!==""){block=openWith+replaceWith+closeWith}else if(selection===''&&placeHolder!==''){block=openWith+placeHolder+closeWith}else{block=openWith+(string||selection)+closeWith}return{block:block,openWith:openWith,replaceWith:replaceWith,placeHolder:placeHolder,closeWith:closeWith}}function markup(button){var len,j,n,i;hash=clicked=button;get();jQuery.extend(hash,{line:"",root:options.root,textarea:textarea,selection:(selection||''),caretPosition:caretPosition,ctrlKey:ctrlKey,shiftKey:shiftKey,altKey:altKey});prepare(options.beforeInsert);prepare(clicked.beforeInsert);if(ctrlKey===true&&shiftKey===true){prepare(clicked.beforeMultiInsert)}jQuery.extend(hash,{line:1});if(ctrlKey===true&&shiftKey===true){lines=selection.split(/\r?\n/);for(j=0,n=lines.length,i=0;i<n;i++){if(jQuery.trim(lines[i])!==''){jQuery.extend(hash,{line:++j,selection:lines[i]});lines[i]=build(lines[i]).block}else{lines[i]=""}}string={block:lines.join('\n')};start=caretPosition;len=string.block.length+((jQuery.browser.opera)?n:0)}else if(ctrlKey===true){string=build(selection);start=caretPosition+string.openWith.length;len=string.block.length-string.openWith.length-string.closeWith.length;len-=fixIeBug(string.block)}else if(shiftKey===true){string=build(selection);start=caretPosition;len=string.block.length;len-=fixIeBug(string.block)}else{string=build(selection);start=caretPosition+string.block.length;len=0;start-=fixIeBug(string.block)}if((selection===''&&string.replaceWith==='')){caretOffset+=fixOperaBug(string.block);start=caretPosition+string.openWith.length;len=string.block.length-string.openWith.length-string.closeWith.length;caretOffset=jQueryjQuery.val().substring(caretPosition,jQueryjQuery.val().length).length;caretOffset-=fixOperaBug(jQueryjQuery.val().substring(0,caretPosition))}jQuery.extend(hash,{caretPosition:caretPosition,scrollPosition:scrollPosition});if(string.block!==selection&&abort===false){insert(string.block);set(start,len)}else{caretOffset=-1}get();jQuery.extend(hash,{line:'',selection:selection});if(ctrlKey===true&&shiftKey===true){prepare(clicked.afterMultiInsert)}prepare(clicked.afterInsert);prepare(options.afterInsert);if(previewWindow&&options.previewAutoRefresh){refreshPreview()}shiftKey=altKey=ctrlKey=abort=false}function fixOperaBug(string){if(jQuery.browser.opera){return string.length-string.replace(/\n*/g,'').length}return 0}function fixIeBug(string){if(jQuery.browser.msie){return string.length-string.replace(/\r*/g,'').length}return 0}function insert(block){if(document.selection){var newSelection=document.selection.createRange();newSelection.text=block}else{jQueryjQuery.val(jQueryjQuery.val().substring(0,caretPosition)+block+jQueryjQuery.val().substring(caretPosition+selection.length,jQueryjQuery.val().length))}}function set(start,len){if(textarea.createTextRange){if(jQuery.browser.opera&&jQuery.browser.version>=9.5&&len==0){return false}range=textarea.createTextRange();range.collapse(true);range.moveStart('character',start);range.moveEnd('character',len);range.select()}else if(textarea.setSelectionRange){textarea.setSelectionRange(start,start+len)}textarea.scrollTop=scrollPosition;textarea.focus()}function get(){textarea.focus();scrollPosition=textarea.scrollTop;if(document.selection){selection=document.selection.createRange().text;if(jQuery.browser.msie){var range=document.selection.createRange(),rangeCopy=range.duplicate();rangeCopy.moveToElementText(textarea);caretPosition=-1;while(rangeCopy.inRange(range)){rangeCopy.moveStart('character');caretPosition++}}else{caretPosition=textarea.selectionStart}}else{caretPosition=textarea.selectionStart;selection=jQueryjQuery.val().substring(caretPosition,textarea.selectionEnd)}return selection}function preview(){if(!previewWindow||previewWindow.closed){if(options.previewInWindow){previewWindow=window.open('','preview',options.previewInWindow)}else{iFrame=jQuery('<iframe class="markItUpPreviewFrame"></iframe>');if(options.previewPosition=='after'){iFrame.insertAfter(footer)}else{iFrame.insertBefore(header)}previewWindow=iFrame[iFrame.length-1].contentWindow||frame[iFrame.length-1]}}else if(altKey===true){if(iFrame){iFrame.remove()}previewWindow.close();previewWindow=iFrame=false}if(!options.previewAutoRefresh){refreshPreview()}}function refreshPreview(){if(previewWindow.document){try{sp=previewWindow.document.documentElement.scrollTop}catch(e){sp=0}previewWindow.document.open();previewWindow.document.write(renderPreview());previewWindow.document.close();previewWindow.document.documentElement.scrollTop=sp}if(options.previewInWindow){previewWindow.focus()}}function renderPreview(){if(options.previewParserPath!==''){jQuery.ajax({type:'POST',async:false,url:options.previewParserPath,data:options.previewParserVar+'='+encodeURIComponent(jQueryjQuery.val()),success:function(data){phtml=localize(data,1)}})}else{if(!template){jQuery.ajax({async:false,url:options.previewTemplatePath,success:function(data){template=localize(data,1)}})}phtml=template.replace(/<!-- content -->/g,jQueryjQuery.val())}return phtml}function keyPressed(e){shiftKey=e.shiftKey;altKey=e.altKey;ctrlKey=(!(e.altKey&&e.ctrlKey))?e.ctrlKey:false;if(e.type==='keydown'){if(ctrlKey===true){li=jQuery("a[accesskey="+String.fromCharCode(e.keyCode)+"]",header).parent('li');if(li.length!==0){ctrlKey=false;li.triggerHandler('mouseup');return false}}if(e.keyCode===13||e.keyCode===10){if(ctrlKey===true){ctrlKey=false;markup(options.onCtrlEnter);return options.onCtrlEnter.keepDefault}else if(shiftKey===true){shiftKey=false;markup(options.onShiftEnter);return options.onShiftEnter.keepDefault}else{markup(options.onEnter);return options.onEnter.keepDefault}}if(e.keyCode===9){if(caretOffset!==-1){get();caretOffset=jQueryjQuery.val().length-caretOffset;set(caretOffset,0);caretOffset=-1;return false}else{markup(options.onTab);return options.onTab.keepDefault}}}}init()})};jQuery.fn.markItUpRemove=function(){return this.each(function(){jQueryjQuery=jQuery(this).unbind().removeClass('markItUpEditor');jQueryjQuery.parent('div').parent('div.markItUp').parent('div').replaceWith(jQueryjQuery)})};jQuery.markItUp=function(settings){var options={target:false};jQuery.extend(options,settings);if(options.target){return jQuery(options.target).each(function(){jQuery(this).focus();jQuery(this).trigger('insertion',[options])})}else{jQuery('textarea').trigger('insertion',[options])}}})(jQuery);