lastest

node_modules/ometa/wiki.js

@@ -0,0 +1,73 @@
+function readFile(name) {
+  var r
+  new Ajax.Request("projects/" + name + ".txt", {
+    method:       "get",
+    asynchronous: false,
+    onSuccess:    function(transport) { r = transport.responseText },
+    onFailure:    function(transport) { r = "" },
+    onException:  function(x)         { console.log(x) }
+  })
+  return r
+}
+
+function writeFile(name, text) {
+  var ok = true
+  new Ajax.Request("projects/" + name + ".txt", {
+    method:       "put",
+    asynchronous: false,
+    postBody:     text,
+    onFailure:    function() { ok = false }
+  })
+  if (!ok)
+    throw "unable to write file '" + name + "'"
+}
+
+function projectIsDirty() { return $('workspaceForm').source.value != $('workspaceForm').source.origValue }
+dirtyAreYouSureMessage = "The changes you have made to this project will be lost unless you press 'cancel' " +
+                         "and save your work. Proceed?"
+
+window.onbeforeunload = function() { if (projectIsDirty()) return dirtyAreYouSureMessage }
+
+function loadProject() {
+  if (arguments.length > 0) {
+    if (arguments[0] == "" || "#" + arguments[0] == document.location.hash)
+      return
+    document.location.hash = hashChangedHandler.oldHash = "#" + arguments[0]
+  }
+  if (projectIsDirty() && !confirm(dirtyAreYouSureMessage))
+    return
+  var projName = document.location.hash.substring(1),
+      projData = readFile(projName)
+  $('workspaceForm').source.value     = projData
+  $('workspaceForm').source.origValue = projData
+  $('title').innerHTML = "<font color=#000088>" + projName.replace(/_/g, " ") + "</font>" + titleRest
+}
+
+function saveProject() {
+  try {
+    var projName = document.location.hash.substring(1),
+        projData = $('workspaceForm').source.value
+    // the following is an ugly hack to fix a bug in prototype.js
+    if (projData == "")
+      projData = " "
+    writeFile(projName, projData)
+    $('workspaceForm').source.origValue = projData
+    alert("Project '" + projName + "' saved")
+  }
+  catch (e) {
+    alert("Error: " + e + "\n" +
+          "Please save your work locally (by cutting and pasting),\n" +
+          "and let Alex know about this problem.")
+    throw e
+  }
+}
+
+hashChangedHandler = function() {
+  if (document.location.hash == hashChangedHandler.oldHash)
+    return
+  hashChangedHandler.oldHash = document.location.hash
+  loadProject()
+}
+hashChangedHandler.oldHash    = document.location.hash
+hashChangedHandler.intervalId = setInterval(hashChangedHandler, 1000)
+