Refactored text panel to use markdown

panels/text/editor.html

@@ -1,5 +1,5 @@
 <div ng-controller="text">
   <label class="small">Font Size</label> <select class="input-mini" ng-model="panel.style['font-size']" ng-options="f for f in ['6pt','7pt','8pt','10pt','12pt','14pt','16pt','18pt','20pt','24pt','28pt','32pt','36pt','42pt','48pt','52pt','60pt','72pt']"></select>
-  <label class=small>Content</label>
+  <label class=small>Content (This area uses <a target="_blank" href="http://en.wikipedia.org/wiki/Markdown">Markdown</a>)</label>
   <textarea ng-model="panel.content" rows="6" style="width:95%"></textarea>
 </div>

panels/text/lib/showdown.js

@@ -0,0 +1 @@
+var Showdown={extensions:{}},forEach=Showdown.forEach=function(a,b){if(typeof a.forEach=="function")a.forEach(b);else{var c,d=a.length;for(c=0;c<d;c++)b(a[c],c,a)}},stdExtName=function(a){return a.replace(/[_-]||\s/g,"").toLowerCase()};Showdown.converter=function(a){var b,c,d,e=0,f=[],g=[];if(typeof module!="undefind"&&typeof exports!="undefined"&&typeof require!="undefind"){var h=require("fs");if(h){var i=h.readdirSync((__dirname||".")+"/extensions").filter(function(a){return~a.indexOf(".js")}).map(function(a){return a.replace(/\.js$/,"")});Showdown.forEach(i,function(a){var b=stdExtName(a);Showdown.extensions[b]=require("./extensions/"+a)})}}this.makeHtml=function(a){return b={},c={},d=[],a=a.replace(/~/g,"~T"),a=a.replace(/\$/g,"~D"),a=a.replace(/\r\n/g,"\n"),a=a.replace(/\r/g,"\n"),a="\n\n"+a+"\n\n",a=M(a),a=a.replace(/^[ \t]+$/mg,""),Showdown.forEach(f,function(b){a=k(b,a)}),a=z(a),a=m(a),a=l(a),a=o(a),a=K(a),a=a.replace(/~D/g,"$$"),a=a.replace(/~T/g,"~"),Showdown.forEach(g,function(b){a=k(b,a)}),a};if(a&&a.extensions){var j=this;Showdown.forEach(a.extensions,function(a){typeof a=="string"&&(a=Showdown.extensions[stdExtName(a)]);if(typeof a!="function")throw"Extension '"+a+"' could not be loaded.  It was either not found or is not a valid extension.";Showdown.forEach(a(j),function(a){a.type?a.type==="language"||a.type==="lang"?f.push(a):(a.type==="output"||a.type==="html")&&g.push(a):g.push(a)})})}var k=function(a,b){if(a.regex){var c=new RegExp(a.regex,"g");return b.replace(c,a.replace)}if(a.filter)return a.filter(b)},l=function(a){return a+="~0",a=a.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|(?=~0))/gm,function(a,d,e,f,g){return d=d.toLowerCase(),b[d]=G(e),f?f+g:(g&&(c[d]=g.replace(/"/g,"&quot;")),"")}),a=a.replace(/~0/,""),a},m=function(a){a=a.replace(/\n/g,"\n\n");var b="p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del|style|section|header|footer|nav|article|aside",c="p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside";return a=a.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del)\b[^\r]*?\n<\/\2>[ \t]*(?=\n+))/gm,n),a=a.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside)\b[^\r]*?<\/\2>[ \t]*(?=\n+)\n)/gm,n),a=a.replace(/(\n[ ]{0,3}(<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g,n),a=a.replace(/(\n\n[ ]{0,3}<!(--[^\r]*?--\s*)+>[ \t]*(?=\n{2,}))/g,n),a=a.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g,n),a=a.replace(/\n\n/g,"\n"),a},n=function(a,b){var c=b;return c=c.replace(/\n\n/g,"\n"),c=c.replace(/^\n/,""),c=c.replace(/\n+$/g,""),c="\n\n~K"+(d.push(c)-1)+"K\n\n",c},o=function(a){a=v(a);var b=A("<hr />");return a=a.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm,b),a=a.replace(/^[ ]{0,2}([ ]?\-[ ]?){3,}[ \t]*$/gm,b),a=a.replace(/^[ ]{0,2}([ ]?\_[ ]?){3,}[ \t]*$/gm,b),a=x(a),a=y(a),a=E(a),a=m(a),a=F(a),a},p=function(a){return a=B(a),a=q(a),a=H(a),a=t(a),a=r(a),a=I(a),a=G(a),a=D(a),a=a.replace(/  +\n/g," <br />\n"),a},q=function(a){var b=/(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|<!(--.*?--\s*)+>)/gi;return a=a.replace(b,function(a){var b=a.replace(/(.)<\/?code>(?=.)/g,"$1`");return b=N(b,"\\`*_"),b}),a},r=function(a){return a=a.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,s),a=a.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()<?(.*?(?:\(.*?\).*?)?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,s),a=a.replace(/(\[([^\[\]]+)\])()()()()()/g,s),a},s=function(a,d,e,f,g,h,i,j){j==undefined&&(j="");var k=d,l=e,m=f.toLowerCase(),n=g,o=j;if(n==""){m==""&&(m=l.toLowerCase().replace(/ ?\n/g," ")),n="#"+m;if(b[m]!=undefined)n=b[m],c[m]!=undefined&&(o=c[m]);else{if(!(k.search(/\(\s*\)$/m)>-1))return k;n=""}}n=N(n,"*_");var p='<a href="'+n+'"';return o!=""&&(o=o.replace(/"/g,"&quot;"),o=N(o,"*_"),p+=' title="'+o+'"'),p+=">"+l+"</a>",p},t=function(a){return a=a.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,u),a=a.replace(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,u),a},u=function(a,d,e,f,g,h,i,j){var k=d,l=e,m=f.toLowerCase(),n=g,o=j;o||(o="");if(n==""){m==""&&(m=l.toLowerCase().replace(/ ?\n/g," ")),n="#"+m;if(b[m]==undefined)return k;n=b[m],c[m]!=undefined&&(o=c[m])}l=l.replace(/"/g,"&quot;"),n=N(n,"*_");var p='<img src="'+n+'" alt="'+l+'"';return o=o.replace(/"/g,"&quot;"),o=N(o,"*_"),p+=' title="'+o+'"',p+=" />",p},v=function(a){function b(a){return a.replace(/[^\w]/g,"").toLowerCase()}return a=a.replace(/^(.+)[ \t]*\n=+[ \t]*\n+/gm,function(a,c){return A('<h1 id="'+b(c)+'">'+p(c)+"</h1>")}),a=a.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,function(a,c){return A('<h2 id="'+b(c)+'">'+p(c)+"</h2>")}),a=a.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm,function(a,c,d){var e=c.length;return A("<h"+e+' id="'+b(d)+'">'+p(d)+"</h"+e+">")Line truncated

panels/text/module.html

@@ -1,3 +1,6 @@
 <kibana-panel ng-controller='text' ng-init="init()">
-  <p ng-show='!panel.allowhtml' ng-style="panel.style" ng-bind-html-unsafe="panel.content | striphtml | newlines"></p>
+  <!--<p ng-style="panel.style" ng-bind-html-unsafe="panel.content | striphtml | newlines"></p>-->
+  <markdown>
+    {{panel.content}}
+  </markdown>
 </kibana-panel>

panels/text/module.js

@@ -12,6 +12,26 @@ angular.module('kibana.text', [])
   $scope.init = function() {
   }
 
+}).directive('markdown', function() {
+  return {
+    restrict: 'E',
+    link: function(scope, element, attrs) {
+      scope.$on('render', function() {
+        render_panel();
+      })
+
+      function render_panel() {
+        var scripts = $LAB.script("panels/text/lib/showdown.js")
+        scripts.wait(function(){
+          var converter = new Showdown.converter();
+          var htmlText = converter.makeHtml(scope.panel.content);
+          element.html(htmlText);
+        });
+      }
+
+      render_panel();
+    }
+  }
 })
 .filter('newlines', function(){
   return function (input) {
@@ -19,10 +39,10 @@ angular.module('kibana.text', [])
   }
 })
 .filter('striphtml', function () {
-    return function(text) {
-        return text
-                .replace(/&/g, '&')
-                .replace(/>/g, '>')
-                .replace(/</g, '&lt;');
-    }
+  return function(text) {
+    return text
+      .replace(/&/g, '&amp;')
+      .replace(/>/g, '&gt;')
+      .replace(/</g, '&lt;');
+  }
 });