* Transformer for embedding figures (interactive JavaScript widgets) …

…in blog posts
joehewitt · Oct 29, 2011 · 08c63a7 · 08c63a7
1 parent 1eceee0
commit 08c63a7
Show file tree

Hide file tree

Showing 2 changed files with 53 additions and 6 deletions.
diff --git a/lib/Blog.js b/lib/Blog.js
@@ -40,7 +40,6 @@ function Blog(conf, cb) {
 
     this._assignConf(conf);
 
-    this.reload = aggregate(this.reload);
     this.reload(cb);
 }
 
@@ -55,6 +54,20 @@ function subclass(cls, supercls, proto) {
 }
 
 subclass(Blog, events.EventEmitter, {
+    useApp: function(app) {
+        this.app = app;
+
+        if (app) {
+            this._findContent(_.bind(function() {
+                this.contentPaths.forEach(function(contentPath) {
+                    if (contentPath.all) {
+                        app.paths.unshift(contentPath.path);
+                    }            
+                });
+            }, this));
+        }        
+    },
+
     rssRoute: function(numberOfPosts) {
        var rssRoute = syndicate.route(this, numberOfPosts);
        if (this.cache) {
@@ -212,7 +225,7 @@ subclass(Blog, events.EventEmitter, {
         }, this), 50);
     },
 
-    reload: function(cb) {
+    reload: aggregate(function(cb) {
         if (!this.isInvalid) {
             if (cb) cb(0);
             return;
@@ -324,11 +337,11 @@ subclass(Blog, events.EventEmitter, {
                }
            }
         }, cb, this));
-    },
+    }),
 
-    normalizeURL: function(URL) {
-        if (this.normalizeCallback) {
-            return this.normalizeCallback(URL);
+    normalizeURL: function(URL, type) {
+        if (this.app) {
+            return this.app.normalizeURL(URL, type);
         } else {
             return URL;
         }
@@ -618,6 +631,9 @@ subclass(Blog, events.EventEmitter, {
         var ImageTransformer = require('./ImageTransformer').ImageTransformer;
         this.addTransform(new ImageTransformer());
 
+        var FigureTransformer = require('./FigureTransformer').FigureTransformer;
+        this.addTransform(new FigureTransformer());
+
         // XXXjoe Not yet implemented
         // if (conf.facebook) {
         //     var FacebookTransformer = require('./FacebookTransformer').FacebookTransformer;

diff --git a/lib/FigureTransformer.js b/lib/FigureTransformer.js
@@ -0,0 +1,31 @@
+
+var _ = require('underscore');
+var path = require('path');
+var fs = require('fs');
+var abind = require('dandy/errors').abind;
+var ibind = require('dandy/errors').ibind;
+
+// ************************************************************************************************
+
+function FigureTransformer() {
+}
+exports.FigureTransformer = FigureTransformer;
+
+FigureTransformer.prototype = {
+    pattern: /^figure:(.*?)\/(.*?)$/,
+
+	transform: function(post, projectName, figureName, url, title, alt, query, cb) {
+		if (!projectName || !figureName) { cb(new Error("Invalid figure URL")); return; }
+
+		var divClass = "figure-" + projectName + "-" + figureName;
+
+		var timestamp = '';
+		if (timestamp) {
+			projectName += '@' + timestamp;
+		}
+
+		var tag = '<div class="figure" require="' + projectName + '" figure="' + figureName + '">' + alt + '</div>';
+
+		cb(0, {content: tag});
+	}
+};