[web] Make button "Delete all" remove only orders from current se… (#49)

- Make button "Delete all" remove only orders from current selected power.
- Reorganize code
- [web] Remove bugged and useless function gameReloaded() from game page.
- This function caused error `engine.getPhaseType is not a function` for
  games with deadlines.
- Move function saveGameToDisk into its own file.
- [web] Add documentation to methods involved in orders management to help understand what happens.
- Move methods getServerOrders() from game GUI component to game engine object.
- Rename method onSetNoOrders to onSetEmptyOrdersSet.
- Rename property in PowerActionsForm: onNoOrders => onPass.
- [web] Update sending orders to send request clearOrders when local orders list is null.

- Renamed local file:
  - components/power_order => power_orders
  - forms/power_actions_form => power_order_creation_form

- Move power orders buttons bar to a separate file:
  - components/power_orders_actions_bar

- [web] Improve messages about local/server defined orders.

1 files changed, 140 insertions, 0 deletions

diff --git a/diplomacy/web/src/gui/utils/dipStorage.jsx b/diplomacy/web/src/gui/utils/dipStorage.jsx
new file mode 100644
index 0000000..db5baad
--- /dev/null
+++ b/diplomacy/web/src/gui/utils/dipStorage.jsx
@@ -0,0 +1,140 @@
+// ==============================================================================
+// Copyright (C) 2019 - Philip Paquette, Steven Bocco
+//
+//  This program is free software: you can redistribute it and/or modify it under
+//  the terms of the GNU Affero General Public License as published by the Free
+//  Software Foundation, either version 3 of the License, or (at your option) any
+//  later version.
+//
+//  This program is distributed in the hope that it will be useful, but WITHOUT
+//  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+//  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+//  details.
+//
+//  You should have received a copy of the GNU Affero General Public License along
+//  with this program.  If not, see <https://www.gnu.org/licenses/>.
+// ==============================================================================
+/* DipStorage scheme:
+global
+- connection
+  - username
+  - hostname
+  - port
+  - showServerFields
+users
+- (username)
+  - games
+    - (game_id)
+      - phase: string
+      - local_orders: {power_name => [orders]}
+*/
+
+let STORAGE = null;
+
+export class DipStorage {
+    static load() {
+        if (!STORAGE) {
+            const global = window.localStorage.global;
+            const users = window.localStorage.users;
+            STORAGE = {
+                global: (global && JSON.parse(global)) || {
+                    connection: {
+                        username: null,
+                        hostname: null,
+                        port: null,
+                        showServerFields: null
+                    }
+                },
+                users: (users && JSON.parse(users)) || {}
+            };
+        }
+    }
+
+    static save() {
+        if (STORAGE) {
+            window.localStorage.global = JSON.stringify(STORAGE.global);
+            window.localStorage.users = JSON.stringify(STORAGE.users);
+        }
+    }
+
+    static getConnectionForm() {
+        DipStorage.load();
+        return Object.assign({}, STORAGE.global.connection);
+    }
+
+    static getUserGames(username) {
+        DipStorage.load();
+        if (STORAGE.users[username])
+            return Object.keys(STORAGE.users[username].games);
+        return null;
+    }
+
+    static getUserGameOrders(username, gameID, gamePhase) {
+        DipStorage.load();
+        if (STORAGE.users[username] && STORAGE.users[username].games[gameID]
+            && STORAGE.users[username].games[gameID].phase === gamePhase)
+            return Object.assign({}, STORAGE.users[username].games[gameID].local_orders);
+        return null;
+    }
+
+    static setConnectionUsername(username) {
+        DipStorage.load();
+        STORAGE.global.connection.username = username;
+        DipStorage.save();
+    }
+
+    static setConnectionHostname(hostname) {
+        DipStorage.load();
+        STORAGE.global.connection.hostname = hostname;
+        DipStorage.save();
+    }
+
+    static setConnectionPort(port) {
+        DipStorage.load();
+        STORAGE.global.connection.port = port;
+        DipStorage.save();
+    }
+
+    static setConnectionshowServerFields(showServerFields) {
+        DipStorage.load();
+        STORAGE.global.connection.showServerFields = showServerFields;
+        DipStorage.save();
+    }
+
+    static addUserGame(username, gameID) {
+        DipStorage.load();
+        if (!STORAGE.users[username])
+            STORAGE.users[username] = {games: {}};
+        if (!STORAGE.users[username].games[gameID])
+            STORAGE.users[username].games[gameID] = {phase: null, local_orders: {}};
+        DipStorage.save();
+    }
+
+    static addUserGameOrders(username, gameID, gamePhase, powerName, orders) {
+        DipStorage.addUserGame(username, gameID);
+        if (STORAGE.users[username].games[gameID].phase !== gamePhase)
+            STORAGE.users[username].games[gameID] = {phase: null, local_orders: {}};
+        STORAGE.users[username].games[gameID].phase = gamePhase;
+        STORAGE.users[username].games[gameID].local_orders[powerName] = orders;
+        DipStorage.save();
+    }
+
+    static removeUserGame(username, gameID) {
+        DipStorage.load();
+        if (STORAGE.users[username] && STORAGE.users[username].games[gameID]) {
+            delete STORAGE.users[username].games[gameID];
+            DipStorage.save();
+        }
+    }
+
+    static clearUserGameOrders(username, gameID, powerName) {
+        DipStorage.addUserGame(username, gameID);
+        if (powerName) {
+            if (STORAGE.users[username].games[gameID].local_orders[powerName])
+                delete STORAGE.users[username].games[gameID].local_orders[powerName];
+        } else {
+            STORAGE.users[username].games[gameID] = {phase: null, local_orders: {}};
+        }
+        DipStorage.save();
+    }
+}