1 files changed, 71 insertions, 0 deletions
diff --git a/web-ui/app/js/page/router.js b/web-ui/app/js/page/router.js
new file mode 100644
index 00000000..ce0d7d04
--- /dev/null
+++ b/web-ui/app/js/page/router.js
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2014 ThoughtWorks, Inc.
+ *
+ * Pixelated 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.
+ *
+ * Pixelated 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 Pixelated. If not, see <http://www.gnu.org/licenses/>.
+ */
+define(['flight/lib/component', 'page/events', 'page/router/url_params'], function (defineComponent, events, urlParams) {
+  'use strict';
+
+  return defineComponent(function () {
+    this.defaultAttrs({
+      history: window.history
+    });
+
+    function createHash(data) {
+      var hash = '/#/' + data.tag;
+      if (!_.isUndefined(data.mailIdent)) {
+        hash += '/mail/' + data.mailIdent;
+      }
+      return hash;
+    }
+
+    function createState(data, previousState) {
+      return {
+        tag: data.tag || (previousState && previousState.tag) || urlParams.defaultTag(),
+        mailIdent: data.mailIdent,
+        query: data.query,
+        isDisplayNoMessageSelected: !!data.isDisplayNoMessageSelected
+      };
+    }
+
+    this.pushState = function (ev, data) {
+      if (!data.fromPopState) {
+        var nextState = createState(data, this.attr.history.state);
+        this.attr.history.pushState(nextState, '', createHash(nextState));
+      }
+    };
+
+    this.popState = function (ev) {
+      var state = ev.state || {};
+
+      this.trigger(document, events.ui.tag.select, {
+        tag: state.tag || urlParams.getTag(),
+        mailIdent: state.mailIdent,
+        fromPopState: true
+      });
+
+      if (ev.state.isDisplayNoMessageSelected) {
+        this.trigger(document, events.dispatchers.rightPane.openNoMessageSelectedWithoutPushState);
+      }
+    };
+
+    this.after('initialize', function () {
+      this.on(document, events.router.pushState, this.pushState);
+      this.on(document, events.ui.tag.select, this.pushState);
+      this.on(document, events.search.perform, this.pushState);
+      this.on(document, events.search.empty, this.pushState);
+      window.onpopstate = this.popState.bind(this);
+    });
+  });
+});