Move to static, rewrite client-JS

application.js

@@ -1,63 +0,0 @@
-// TODO implement save as a jquery method
-// TODO support for browsers without pushstate
-// TODO support for push state navigation
-var save = function(data, callback) {
-  var high = hljs.highlightAuto(data);
-  var pack = {
-    language: high.language,
-    data: data
-  };
-  pack.value = high.value;
-  pack.uuid = '123456';
-  callback(pack);
-};
-
-$(function() {
-
-  $('textarea').focus();
-
-  $('textarea').keyup(function(evt) {
-    if (evt.ctrlKey && evt.which === 76) {
-      save($('textarea').val(), function(ret) {
-        if (ret) {
-          $('#box code').html(ret.value);
-          // window.history.pushState(null, 'Heist - ' + ret.language, '/~john/heist/' + ret.uuid);
-          document.title = 'heist - ' + ret.language;
-          $('textarea').hide();
-          $('#box').show();	
-        }
-      });
-    }
-  });
-
-  $('textarea').keydown(function(evt) {
-    if (evt.keyCode === 9) {
-      evt.preventDefault();
-      var myValue = '  ';
-      // Inspired by http://stackoverflow.com/questions/946534/insert-text-into-textarea-with-jquery
-      // For browsers like Internet Explorer
-      if (document.selection) {
-        this.focus();
-        sel = document.selection.createRange();
-        sel.text = myValue;
-        this.focus();
-      }
-      // Mozilla and Webkit
-      else if (this.selectionStart || this.selectionStart == '0') {
-        var startPos = this.selectionStart;
-        var endPos = this.selectionEnd;
-        var scrollTop = this.scrollTop;
-        this.value = this.value.substring(0, startPos)+myValue+this.value.substring(endPos,this.value.length);
-        this.focus();
-        this.selectionStart = startPos + myValue.length;
-        this.selectionEnd = startPos + myValue.length;
-        this.scrollTop = scrollTop;
-      }
-      else {
-        this.value += myValue;
-        this.focus();
-      }
-    }
-  });
-
-});

server.js

@@ -0,0 +1,58 @@
+var http = require('http');
+var fs = require('fs');
+var path = require('path');
+var url = require('url');
+
+
+// TODO logging
+// TODO preparse static instead of using exists
+
+//////////////
+
+var StaticHandler = function(path) {
+  this.path = path;
+  this.defaultPath = '/index.html';
+};
+
+StaticHandler.contentTypeFor = function(ext) {
+  if (ext == '.js') return 'text/javascript';
+  else if (ext == '.css') return 'text/css';
+  else if (ext == '.html') return 'text/html';
+  else if (ext == '.ico') return 'image/ico';
+  else console.log(ext);
+};
+
+StaticHandler.prototype.handle = function(request, response) {
+  var inc = url.parse(request.url, false);
+  var filePath = this.path + (inc.pathname == '/' ? this.defaultPath : inc.pathname);
+  path.exists(filePath, function(exists) {
+    if (exists) {
+      fs.readFile(filePath, function(error, content) {
+        if (error) {
+          // TODO make nice
+          console.log(error);
+          response.writeHead(500);
+          response.end();
+        }
+        else {
+          response.writeHead(200, { 'content-type': StaticHandler.contentTypeFor(path.extname(filePath)) });
+          response.end(content, 'utf-8');
+        }
+      });    
+    }
+    else {
+      // TODO make nice
+      response.writeHead(404);
+      response.end();
+    }
+  }); 
+};
+
+///////////
+
+http.createServer(function(request, response) {
+
+  var handler = new StaticHandler('./static');
+  handler.handle(request, response);
+
+}).listen(7777);

static/application.js

@@ -0,0 +1,115 @@
+
+var heist_document = function() {
+
+  this.locked = false;
+
+};
+
+heist_document.prototype.save = function(data, callback) {
+  if (this.locked) {
+    return false;
+  }
+  var high = hljs.highlightAuto(data);
+  var pack = {
+    language: high.language,
+    data: data
+  };
+  pack.value = high.value;
+  pack.uuid = '123456';
+  this.locked = true;
+  callback(pack);
+};
+
+var heist = function(appName) {
+
+  this.appName = appName;
+  this.setTitle();
+  this.$textarea = $('textarea');
+  this.$box = $('#box');
+  this.$code = $('#box code');
+
+  this.configureShortcuts();
+
+};
+
+// Set the page title - include the appName
+heist.prototype.setTitle = function(ext) {
+  var title = ext ? this.appName + ' - ' + ext : this.appName;
+  document.title = title;
+};
+
+// Remove the current document (if there is one)
+// and set up for a new one
+heist.prototype.newDocument = function(ext) {
+  this.doc = new heist_document();
+  this.$box.hide();
+  this.$textarea.val('').show().focus();
+}
+
+// Lock the current document
+heist.prototype.lockDocument = function() {
+  var _this = this;
+  this.doc.save(this.$textarea.val(), function(ret) {
+    if (ret) {
+      _this.$code.html(ret.value);
+      _this.setTitle(ret.language);
+      _this.$textarea.val('').hide();
+      _this.$box.show();
+    }
+  });
+};
+
+// Configure keyboard shortcuts for the textarea
+heist.prototype.configureShortcuts = function() {
+  var _this = this;
+  this.$textarea.keyup(function(evt) {
+    // ^L for lock
+    if (evt.ctrlKey && evt.which === 76) {
+      _this.lockDocument();
+    }
+  });
+};
+
+
+// TODO refuse to lock empty documents
+// TODO support for browsers without pushstate
+// TODO support for push state navigation
+// TODO ctrl-n for new
+// TODO ctrl-d for duplicate
+
+$(function() {
+
+  $('textarea').focus();
+
+  $('textarea').keydown(function(evt) {
+    if (evt.keyCode === 9) {
+      evt.preventDefault();
+      var myValue = '  ';
+      // http://stackoverflow.com/questions/946534/insert-text-into-textarea-with-jquery
+      // For browsers like Internet Explorer
+      if (document.selection) {
+        this.focus();
+        sel = document.selection.createRange();
+        sel.text = myValue;
+        this.focus();
+      }
+      // Mozilla and Webkit
+      else if (this.selectionStart || this.selectionStart == '0') {
+        var startPos = this.selectionStart;
+        var endPos = this.selectionEnd;
+        var scrollTop = this.scrollTop;
+        this.value = this.value.substring(0, startPos) + myValue +
+          this.value.substring(endPos,this.value.length);
+        this.focus();
+        this.selectionStart = startPos + myValue.length;
+        this.selectionEnd = startPos + myValue.length;
+        this.scrollTop = scrollTop;
+      }
+      else {
+        this.value += myValue;
+        this.focus();
+      }
+    }
+  });
+
+});

static/index.html

@@ -37,13 +37,19 @@
 		<script type="text/javascript" src="highlight.min.js"></script>
 		<script type="text/javascript" src="application.js"></script>
 
+		<script type="text/javascript">
+			$(function() {
+				var app = new heist('heist');
+				app.newDocument();	
+			});
+		</script>
+
 	</head>
 
 	<body>
 
 		<pre id="box" style="display:none;"><code></code></pre>
-
-		<textarea spellcheck="false"></textarea>
+		<textarea spellcheck="false" style="display:none;"></textarea>
 
 	</body>