From 9634809dad4c3dba3a1491341dee030b3d84491d Mon Sep 17 00:00:00 2001
From: Joseph Atkins-Turkish <joeat@pebble.com>
Date: Mon, 30 Nov 2015 17:33:35 -0800
Subject: [PATCH] Panes remember their focus.

---
 ide/static/ide/js/fuzzyprompt.js | 10 +++++++++-
 ide/static/ide/js/sidebar.js     | 16 +++++++++++++---
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/ide/static/ide/js/fuzzyprompt.js b/ide/static/ide/js/fuzzyprompt.js
index 8abcfcd1..4a391e2d 100644
--- a/ide/static/ide/js/fuzzyprompt.js
+++ b/ide/static/ide/js/fuzzyprompt.js
@@ -8,10 +8,11 @@ CloudPebble.FuzzyPrompt = (function() {
     var selected_id = null;
     var default_item;
     var selection_was_made;
+    var focus_pane;
     var opened = false;
     var prompt_kind = null;
     var COMMANDS_ENABLED = true;
-
+    var focus_pane_selector = '#main-pane'
     // While manual is false, always highlight the first item
     var manual = false;
 
@@ -171,6 +172,8 @@ CloudPebble.FuzzyPrompt = (function() {
         selection_was_made = false;
         opened = true;
         prompt_kind = kind;
+        focus_pane = $(focus_pane_selector).get()[0];
+        
         // Build up the list of files to search through
         var id = 0;
         _.each(sources, function(source) {
@@ -237,6 +240,11 @@ CloudPebble.FuzzyPrompt = (function() {
         if (opened) {
             opened = false;
             prompt.modal('hide');
+            // If we switched page, never refocus
+            if (focus_pane != $(focus_pane_selector).get()[0]) {
+                refocus = false;
+            }
+            // Otherwise, if we want to refocus, do so
             if (refocus) {
                 setTimeout(function () {
                     $(previously_active).focus();
diff --git a/ide/static/ide/js/sidebar.js b/ide/static/ide/js/sidebar.js
index 79bc2c7b..1cd8e91a 100644
--- a/ide/static/ide/js/sidebar.js
+++ b/ide/static/ide/js/sidebar.js
@@ -13,12 +13,14 @@ CloudPebble.Sidebar = (function() {
         var pane = $('#main-pane');
 
         var suspend_function = pane.data('pane-suspend-function');
+
         if(suspend_function) suspend_function();
 
         var list_entry = $('#sidebar-pane-' + pane_id);
         if(list_entry) {
             list_entry.removeClass('active');
         }
+
         suspended_panes[pane_id] = pane;
         pane.detach();
         // Create a new empty one.
@@ -40,7 +42,10 @@ CloudPebble.Sidebar = (function() {
     };
 
     var refocus_pane = function(pane) {
-        pane.find('*[autofocus]').first().focus();
+        setTimeout(function() {
+            var previous_focus = pane.data('previous-focus');
+            (previous_focus || pane.find('*[autofocus]').first().focus()).focus();
+        }, 50);
     };
 
     var restore_suspended_pane = function(id) {
@@ -59,7 +64,7 @@ CloudPebble.Sidebar = (function() {
                 pane.data('pane-restore-function')();
             }
 
-            refocus_pane(pane);
+            refocus_pane($('#main-pane'));
 
             return true;
         }
@@ -68,7 +73,7 @@ CloudPebble.Sidebar = (function() {
 
     var set_main_pane = function(pane, id, restore_function, destroy_function) {
         $('#main-pane').append(pane).data('pane-id', id);
-        refocus_pane(pane);
+        refocus_pane($('#main-pane'));
         if(restore_function) {
             $('#main-pane').data('pane-restore-function', restore_function);
         }
@@ -162,6 +167,11 @@ CloudPebble.Sidebar = (function() {
             $('#sidebar-pane-github > a').click(CloudPebble.GitHub.Show);
             $('#sidebar-pane-timeline > a').click(CloudPebble.Timeline.show);
             $('#new-source-file').click(CloudPebble.Editor.Create);
+
+            $('#pane-parent').on('focusin', '#main-pane *', _.debounce(function(e) {
+                $('#main-pane').data('previous-focus', $(e.target));
+            }, 1));
+
             init();
         },
         SetPopover: function(pane_id, title, content) {