From 13c8be3d82350082093df8cd65771f09fcb83c54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Tue, 15 Dec 2015 11:26:23 +0100
Subject: Fixed the bug about the loss of problem solving screen state when
 entering a navigation-bar state and getting back. Now every state carries
 with itself the publicly exposed jqScreen object and isModal boolean
 information, which is used by the globalStateMachine in the actualTransition
 method.

---
 js/codeq/navigation.js | 44 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 5 deletions(-)

(limited to 'js/codeq/navigation.js')

diff --git a/js/codeq/navigation.js b/js/codeq/navigation.js
index da2b04a..cfff71b 100644
--- a/js/codeq/navigation.js
+++ b/js/codeq/navigation.js
@@ -49,7 +49,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
 
     //the global state machine is a bit different - so it'll be implemented here
     var makeGlobalStateMachine = function (def) {
-        var currState = null;
+        var currState = null,
+            waitingState = null; // state hidden with a modal form
         var stateChangeFun = function historyStateChangeHandler() {
             var historyState = History.getState();
             codeq.globalStateMachine.actualTransition.apply(codeq.globalStateMachine, $.merge([historyState.data.state] ,historyState.data.params));
@@ -77,11 +78,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
                 }
             },
             'destroy': function () {
+                var i;
                 if (currState) currState.exit();
                 currState = null;
+                if (waitingState) waitingState.exit();
+                waitingState = null;
                 History.Adapter.unbind(window, 'statechange', stateChangeFun);
             },
-            'register': function (name, state) {
+            'register': function (name, state, props) {
                 if (name in def) codeq.log.error('The state ' + name + ' is already registered, overriding');
                 def[name] = state;
             },
@@ -93,9 +97,39 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
 
 
                 var newState = def[name];//if the newState is not the same as the old or if it doesn't exist at all is already checked at this point
-                if (currState) currState.exit();
-                currState = newState;
-                currState.enter.apply(currState, Array.prototype.slice.apply(arguments, [1]));
+//                if (currState) currState.exit();
+//                currState = newState;
+//                currState.enter.apply(currState, Array.prototype.slice.apply(arguments, [1]));
+                if (currState) {
+                    if (newState.isModal) {
+                        if (currState.isModal) currState.exit();
+                        else {
+                            waitingState = currState;
+                            waitingState.jqScreen.css('display', 'none');
+                        }
+                        currState = newState;
+                        currState.enter.apply(currState, Array.prototype.slice.apply(arguments, [1]));
+                    }
+                    else {
+                        currState.exit();
+                        currState = newState;
+                        if (waitingState === newState) {
+                            waitingState.jqScreen.css('display', '');
+                            waitingState = null;
+                        }
+                        else {
+                            if (waitingState) {
+                                waitingState.exit();
+                                waitingState = null;
+                            }
+                            currState.enter.apply(currState, Array.prototype.slice.apply(arguments, [1]));
+                        }
+                    }
+                }
+                else {
+                    currState = newState;
+                    currState.enter.apply(currState, Array.prototype.slice.apply(arguments, [1]));
+                }
             }
         }
     };
-- 
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