Wilfred/metawiki

// jshint unused:true, undef:true
/* globals define, window */
define(function(require) {
  "use strict";

  var Backbone = require("backbone");
  var $ = require("jquery");

  var Resource = require("metawiki/models").Resource;
  var messages = require('metawiki/messages');
  var editor = require("metawiki/editor");

  var routing = null;
    /** Navigate to path. Routing depends on controllers, so we
    * have to require() here to avoid a cyclic dependency.
    */
  function navigate(path) {
    if (routing === null) {
      routing = require("metawiki/routing");
    }
    routing.navigate(path, {trigger: true});
  }

  function startEditor(resource) {
    var editorInstance = editor.load("Editing", resource);

    // TODO: we should narrow this to children of the edit form.
    $("input[type=submit]").click(function(e) {
      e.preventDefault();
      var $input = $(this);
      var mimeType = $("[name=mimeType]").val();

      resource.save({
        content: editorInstance.getValue(),
        mimeType: mimeType
      }, {
        success: function() {
          //messages.success('Saved', "Wrote " + resource.get('path') + " to database.");
          // don't go anywhere if we said 'save and continue'
          if ($input.attr("name") != "save-continue") {
            // FIXME: what if we create a page called 'edit'?
            if (mimeType == "text/x-markdown") {
              navigate(resource.get('path'));
            } else {
              navigate("page/Home");
            }
          }
        }
      });
    });
  }

  return Backbone.View.extend({
    el: $("#content"),

    render: function() {
      // Of the form 'edit?foo/bar'
      // TODO: this should be from the router directly
      var hashPath = window.location.hash.substring(1);
      var resourceName = hashPath.split("?")[1];

      (new Resource({path: resourceName, id: resourceName})).fetch({
        success: startEditor,
        error: function() {
          // Page doesn't exist
          navigate("new?" + resourceName);
        }
      });
    }
  });
});