From 09ae51eab9bbd8932f2af64a6056042751a6621f Mon Sep 17 00:00:00 2001
From: Thomas Wilburn <news@thomaswilburn.net>
Date: Fri, 20 Mar 2015 13:25:22 -0700
Subject: [PATCH] Start with on-demand rendering for projects New-style nodes
 are responsible for their own rendering

---
 js/main.js         |  3 +-
 js/project/node.js | 85 ++++++++++++++++++++++++++++++++++++++++++++++
 js/project/tree.js | 27 +++++++++++++++
 3 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100644 js/project/node.js
 create mode 100644 js/project/tree.js

diff --git a/js/main.js b/js/main.js
index 433c2d2..992c8f7 100644
--- a/js/main.js
+++ b/js/main.js
@@ -8,7 +8,8 @@ require([
     "sessions",
     "util/manos",
     "util/i18n",
-    "ui/projectManager",
+    "project/tree",
+    //"ui/projectManager",
     "ui/keys",
     "fileManager",
     "ui/menus",
diff --git a/js/project/node.js b/js/project/node.js
new file mode 100644
index 0000000..4eb5d88
--- /dev/null
+++ b/js/project/node.js
@@ -0,0 +1,85 @@
+define(["util/manos", "util/dom2"], function(M) {
+  
+  var noop = function() {};
+  
+  var Node = function(entry) {
+    this.entry = entry;
+    this.name = entry.name
+    this.isOpen = true;
+    this.isDirty = true;
+    this.isDir = entry.isDirectory;
+    this.children = [];
+  };
+  
+  Node.prototype = {
+    entry: null,
+    isOpen: false,
+    isDirty: false,
+    isDir: false,
+    path: null,
+    name: null,
+    parent: null,
+    children: null,
+    element: null,
+    toggle: function(done) {
+      
+    },
+    render: function(done) {
+      var self = this;
+      done = done || noop;
+      if (!this.element) return done();
+      var a = this.element.find("a.label");
+      if (!a) {
+        a = document.createElement("a");
+        a.className = "label";
+        this.element.append(a);
+      }
+      a.innerHTML = this.name;
+      if (!this.isOpen) return done();
+      if (this.isDirty && this.isDir) {
+        this.readdir(function() {
+          self.renderChildren(done);
+        });
+      } else {
+        this.renderChildren(done);
+      }
+    },
+    renderChildren: function(done) {
+      var ul = this.element.find("ul.children");
+      if (!ul) {
+        ul = document.createElement("ul");
+        ul.className = "children";
+        this.element.append(ul);
+      }
+      M.map(this.children, function(item, i, c) {
+        if (!item.element) {
+          var li = document.createElement("li");
+          item.element = li;
+          ul.append(li);
+        }
+        item.render();
+      }, done)
+    },
+    readdir: function(done) {
+      var self = this;
+      var reader = this.entry.createReader();
+      var entries = [];
+      var collect = function(list) {
+        if (!list.length) return complete();
+        entries.push.apply(entries, list);
+        reader.readEntries(collect);
+      };
+      var complete = function() {
+        self.children = entries.map(function(entry) {
+          return new Node(entry);
+        });
+        done();
+      };
+      reader.readEntries(collect);
+      
+    }
+  };
+  
+  return Node;
+  
+});
\ No newline at end of file
diff --git a/js/project/tree.js b/js/project/tree.js
new file mode 100644
index 0000000..244872e
--- /dev/null
+++ b/js/project/tree.js
@@ -0,0 +1,27 @@
+define([
+  "project/node",
+  "command",
+  "util/dom2"],
+function(Node, command) {
+  
+  var directories = [];
+  var container = document.find(".project");
+  container.addClass("show");
+  var tree = container.find(".tree");
+  
+  command.on("project:add-dir", function() {
+    chrome.fileSystem.chooseEntry({ type: "openDirectory" }, function(entry) {
+      var root = new Node(entry);
+      directories.push(root);
+      var element = document.createElement("ul");
+      var rootElement = document.createElement("li");
+      tree.append(element);
+      element.append(rootElement);
+      root.element = rootElement;
+      root.isOpen = true;
+      root.render();
+      
+    })
+  });
+  
+});
\ No newline at end of file