(function($){$.fn.jTagEditor=function(settings){var field=this;options={editorClassName:"jTagEditor-editor",toolBarClassName:"jTagEditor-toolBar",buttonClassName:"jTagEditor-button",resizeHandleClassName:"jTagEditor-resizeHandle",previewId:"jTagEditor-previewWindow",previewClassName:"jTagEditor-preview",previewCss:"",previewParser:"",previewVarName:"data",insertOnEnter:{openTag:"",closeTag:"",callBack:"",preventDefault:true},insertOnShiftEnter:{openTag:"<br />\n",closeTag:"",callBack:"",preventDefault:false},insertOnCtrlEnter:{openTag:"<p>",closeTag:"</p>",callBack:"",preventDefault:false},insertOnTab:{openTag:"     ",closeTag:"",callBack:"",preventDefault:false},tagMask:"<(.*?)>",tagSet:"html/html-tags.js"};var options=$.extend(options,settings);var openPos=0;var closePos=0;var scrollPos=0;var openTags=new Array();var keyCtrl=false;var keyShift=false;var keyAlt=false;return this.each(function(){var field=this;var $$=$(field);var oId=$$.attr("id")||"";var oClassName=$$.attr("class")||"";var oTitle=$$.attr("title")||"";var oName=$$.attr("name")||"";$(field).wrap("<div id=\""+oId+"\" title=\""+oTitle+"\" class=\""+oClassName+"\"></div>");var toolbar=$("<div class=\""+options.toolBarClassName+"\"><ul></ul></div>").insertBefore(field);$(field).attr("id","").attr("class","").attr("class",options.editorClassName);if(typeof(options.tagSet)=="string"){$.ajaxSetup({async:false});$.getJSON(options.tagSet,function(json){options.tagSet=json;});}
$(options.tagSet).each(function(i){var button=this;$("<li class='"+button.className+" "+options.buttonClassName+(i+1)+"'><a href=\"\" accesskey=\""+button.accesskey+"\" title=\""+button.label+"\">"+button.label+"</a></li>").click(function(){tag(button);return false;}).appendTo(toolbar);});var resizeHandle=$("<div class=\""+options.resizeHandleClassName+"\"></div>").insertAfter($(this)).bind("mousedown",function(evt){var height=$(field).height();var y=evt.clientY;var mouseMove=function(evt){$(field).height(Math.max(20,evt.clientY+height-y));};var mouseUp=function(evt){$("html").unbind("mousemove",mouseMove).unbind("mouseup",mouseUp);};$("html").bind("mousemove",mouseMove).bind("mouseup",mouseUp);});$(field).bind("keydown",keyUpDown).bind("keyup",keyUpDown).bind("keypress",keyPress);function attribute(string){if(string){return string.replace(/@(.*?)@/g,function(a){return prompt(a.replace(/@/g,""),"")});}else{return"";}}
function tag(button){get();if($.isFunction(eval(button.callBack))){eval(button.callBack).call();}else{openTag=attribute(button.openTag);closeTag=attribute(button.closeTag);if(selection!=""){wrap(openTag,closeTag);}else{if(!tagIsOpen(closeTag)){if(closeTag){openTags.push(closeTag);}
wrap(openTag,"");}else{openTags.pop();wrap("",closeTag);}}}}
function wrap(openTag,closeTag){string=openTag+selection+closeTag;if(keyCtrl==true&&keyShift==true){lines=selection.replace(new RegExp("\r?\n","g"),"~§~");lines=lines.split("~§~");n=lines.length;for(i=n-1;i>=0;i--){lines[i]=(lines[i]!="")?openTag+lines[i]+closeTag:"";}
string=lines.join("\r\n");start=openPos;end=openPos+string.length-n+1;}else if(keyCtrl==true){start=openPos+openTag.length;end=openPos+openTag.length+selection.length;}else if(keyShift==true){start=openPos;end=openPos+string.length;}else{start=openPos+openTag.length+selection.length+closeTag.length;end=start;}
if(document.selection){newSelection=document.selection.createRange();newSelection.text=string;}else if(openPos||openPos=="0"){field.value=field.value.substring(0,openPos)+string+field.value.substring(closePos,field.value.length);}else{field.value+=string;}
set(start,end);}
function set(start,end){if(field.createTextRange){range=field.createTextRange();range.collapse(true);range.moveStart("character",start);range.moveEnd("character",end-start);range.select();}else if(field.setSelectionRange){field.setSelectionRange(start,end);}
field.scrollTop=scrollPos;field.focus();}
function get(){field.focus();scrollPos=field.scrollTop;if(document.selection){selection=document.selection.createRange().text;if($.browser.msie){var range=document.selection.createRange();var rangeCopy=range.duplicate();rangeCopy.moveToElementText(field);openPos=-1;while(rangeCopy.inRange(range)){rangeCopy.moveStart("character");openPos++;}}else{openPos=field.selectionStart;closePos=field.selectionEnd;}}else if(field.selectionStart||field.selectionStart=="0"){openPos=field.selectionStart;closePos=field.selectionEnd;selection=field.value.substring(openPos,closePos);}else{selection="";}
return selection;}
function cleanAll(){get();selection=selection.replace(new RegExp(options.tagMask,"g"),"");wrap("","");}
function closeAll(){var tagsToClose="";n=openTags.length;for(i=n-1;i>=0;i--){tagsToClose+=openTags[i];openTags.pop();}
get();wrap("",tagsToClose);field.focus();}
function preview(){var html;if(options.previewParser!=""){$.ajax({type:"POST",async:false,url:options.previewParser,data:options.previewVarName+"="+$(field).val(),success:function(data){html=data;}});}else{html="<html>";html+="<head><title>Preview</title>";html+="<link href=\""+options.previewCss+"\" rel=\"stylesheet\" type=\"text/css\">";html+="</head>";html+="<body id=\""+options.previewId+"\" class=\""+options.previewClassName+"\">"+$(field).val()+"</body>";html+="</html>";}
win=window.open("","preview","scrollbars=yes, width="+$(field).width()+", height="+$(field).height());win.document.open();win.document.write(html);win.document.close();win.focus();}
function tagIsOpen(tag){var n=openTags.length;for(var i=0;i<n;i++){if(openTags[i]==tag){return true;}}
return false;}
function keyUpDown(evt){keyCtrl=evt.ctrlKey;keyShift=evt.shiftKey;keyAlt=evt.altKey;}
function keyPress(evt){get();if(evt.keyCode==13||evt.keyCode==10){if(keyCtrl==true){keyCtrl=false;tag(options.insertOnCtrlEnter);return options.insertOnCtrlEnter.preventDefault;}else if(keyShift==true){keyShift=false;tag(options.insertOnShiftEnter);return options.insertOnShiftEnter.preventDefault;}else{tag(options.insertOnEnter);return options.insertOnEnter.preventDefault;}}
if(evt.keyCode==9){tag(options.insertOnTab);return options.insertOnTab.preventDefault;}}});};})(jQuery);