Merge branch 'cookie_2' into 'master'

Cookie 2

See merge request !51

app/static/js/cookies.js

+function setCookie(name, value) {
+    /**
+     * Create a cookie for ten years?
+     */
+    var today = new Date();
+    var expires = new Date();
+
+    expires.setTime(today.getTime() + (10*365*24*60*60*1000));
+    document.cookie = name + "=" + value + ";expires=" + expires.toGMTString();
+}
+//encodeURIComponent(value)
+
+function getCookie(name) {
+    /**
+     * Retrieve the value of a cookie due to it's name.
+     */
+    var regex = new RegExp("(?:; )?" + name + "=([^;]*);?");
+
+    if (regex.test(document.cookie))
+        return (RegExp["$1"]);
+    else
+        return null;
+}
+//return decodeURIComponent(RegExp["$1"]);
+
+function tab_to_str(tab) {
+    /**
+     * Transform 2D tab to string separate by semicolon.
+     * Ex : [[42, 'test', 5], [56, 'salut', 3]] =>
+     * "42, test, 5|56, salut, 3"
+     */
+    var result = "";
+    var inter = [];
+    for (var i = 0; tab[i]; i++)
+        inter.push(tab[i]);
+    result = inter.join('|');
+    console.log(result)
+    return (result);
+}
+
+function str_to_tab(str) {
+    /**
+     * Transform string to 2D tab.
+     * Ex : "42, test, 5|56, salut, 3" =>
+     * [[42, 'test', 5], [56, 'salut', 3]]
+     */
+    var result = [];
+    var split = str.split('|');
+    for (var i = 0; split[i]; i++)
+        result.push(split[i].split(','));
+    return (result);
+}
+
+function save_session() {
+    /**
+     * Save old_labels_tab and unselect_tab in Cookies.
+     */
+    setCookie("old_labels_tab", tab_to_str(hierarchy.old_labels_tab));
+    setCookie("unselect_labels_tab", tab_to_str(hierarchy.unselect_tab));
+    setCookie("language", hierarchy.labels_language);
+}
+
+function setup_session() {
+    hierarchy.old_labels_tab = str_to_tab(getCookie('old_labels_tab'));
+    hierarchy.unselect_tab = str_to_tab(getCookie('unselect_labels_tab'));
+    hierarchy.labels_language = result.labels_language = getCookie('language');
+    hierarchy.init_all_labels();
+    result.maj_results(3);
+    hierarchy.maj_new_labels_tab();
+}

app/templates/browse.html

@@ -140,7 +140,8 @@
 	<script src="static/js/father_child.js"></script>
 	<script src="static/js/labels.js"></script>
 	<script src="static/js/maj_tutorial.js"></script>
-	
+	<script src="static/js/cookies.js"></script>
+
 	<script>
 		function init_research() {
 			/**
@@ -292,6 +293,7 @@
 						this.reset();
 					} else
 						result.maj_results(3);
+					save_session();
 					update_loading(1);
 				},
 				add_label_to_unselect_tab: function(index) {
@@ -307,6 +309,7 @@
 						result.maj_results(4);
 					else
 						result.maj_results(3);
+					save_session();
 					update_loading(1);
 				},
 				rm_label_to_unselect_tab: function(index) {
@@ -324,6 +327,7 @@
 						hierarchy.maj_new_labels_tab();
 					} else
 						result.maj_results(3);
+						save_session();
 					update_loading(1);
 				},
 				maj_new_labels_tab: function() {