From 55be4d478fdf912f4e30579bb8a8760c0f9e9727 Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Tue, 2 Aug 2016 13:34:25 -0400
Subject: [PATCH] Load home dashboard faster

Eliminate unnecessary ajax call should speed up load times significantly.
---
 CRM/Contact/Page/DashBoard.php     |  1 +
 js/jquery/jquery.dashboard.js      | 16 ++++++----------
 templates/CRM/common/dashboard.tpl | 15 ++-------------
 3 files changed, 9 insertions(+), 23 deletions(-)

diff --git a/CRM/Contact/Page/DashBoard.php b/CRM/Contact/Page/DashBoard.php
index 5f95110a91..40019a3f0b 100644
--- a/CRM/Contact/Page/DashBoard.php
+++ b/CRM/Contact/Page/DashBoard.php
@@ -44,6 +44,7 @@ class CRM_Contact_Page_DashBoard extends CRM_Core_Page {
     $resources = CRM_Core_Resources::singleton();
     $resources->addScriptFile('civicrm', 'js/jquery/jquery.dashboard.js', 0, 'html-header', FALSE);
     $resources->addStyleFile('civicrm', 'css/dashboard.css');
+    $this->assign('contactDashlets', CRM_Core_BAO_Dashboard::getContactDashlets());
 
     $resetCache = CRM_Utils_Request::retrieve('resetCache', 'Positive', CRM_Core_DAO::$_nullObject);
 
diff --git a/js/jquery/jquery.dashboard.js b/js/jquery/jquery.dashboard.js
index d1f68bb4e1..34cfec6109 100644
--- a/js/jquery/jquery.dashboard.js
+++ b/js/jquery/jquery.dashboard.js
@@ -159,10 +159,8 @@
     // Merge in the caller's options with the defaults.
     var opts = $.extend({}, $.fn.dashboard.defaults, options);
 
-    // Execution 'forks' here and restarts in init().  Tell the user we're busy with a throbber.
-    var throbber = $(opts.throbberMarkup).appendTo(dashboard.element);
-    $.getJSON(opts.ajaxCallbacks.getWidgetsByColumn.url, opts.ajaxCallbacks.getWidgetsByColumn.data, init);
-    asynchronousRequestCounter++;
+    init(opts.widgetsByColumn);
+
     return dashboard;
     // End of constructor and private properties for dashboard object.
 
@@ -170,10 +168,8 @@
      * Private methods of dashboard.
      */
 
-    // Ajax callback for getWidgetsByColumn.
-    function init(widgets, status) {
-      asynchronousRequestCounter--;
-      throbber.remove();
+    // Initialize widget columns.
+    function init(widgets) {
       var markup = '<li class="empty-placeholder">' + opts.emptyPlaceholderInner + '</li>';
 
       // Build the dashboard in the DOM.  For each column...
@@ -462,12 +458,12 @@
         minimize: {
           description: ts('Collapse or expand'),
           callback: widget.toggleMinimize,
-          icon: 'fa-caret-down',
+          icon: 'fa-caret-down'
         },
         fullscreen: {
           description: ts('View fullscreen'),
           callback: widget.enterFullscreen,
-          icon: 'fa-expand',
+          icon: 'fa-expand'
         },
         close: {
           description: ts('Remove from dashboard'),
diff --git a/templates/CRM/common/dashboard.tpl b/templates/CRM/common/dashboard.tpl
index 7c922c7d53..e009699bb3 100644
--- a/templates/CRM/common/dashboard.tpl
+++ b/templates/CRM/common/dashboard.tpl
@@ -38,22 +38,11 @@ CRM.$(function($) {
     // Required.
     emptyPlaceholderInner: '',
 
+    widgetsByColumn: {/literal}{$contactDashlets|@json_encode}{literal},
+
     // These define the urls and data objects used for all of the ajax requests to the server.
-    // data objects are extended with more properties, as defined below.
-    // All are required.  All should return JSON.
     ajaxCallbacks: {
 
-      // Server returns the configuration of widgets for this user;
-      // An array (keyed by zero-indexed column ID), of arrays (keyed by widget ID) of
-      // booleans; true if the widget is minimized.  False if not.
-      // E.g. [{ widgetID: isMinimized, ...}, ...]
-      getWidgetsByColumn: {
-        url:  {/literal}'{crmURL p='civicrm/ajax/dashboard' h=0 }'{literal},
-        data: {
-          op: 'get_widgets_by_column', key: {/literal}"{crmKey name='civicrm/ajax/dashboard'}"{literal}
-        }
-      },
-
       // Given the widget ID, the server returns the widget object as an associative array.
       // E.g. {content: '<p>Widget content</p>', title: 'Widget Title', }
       //
-- 
2.25.1