old data compatibility

import.js

@@ -10,6 +10,7 @@
             'core/module.js',
             'core/event.js',
             'core/minder.js',
+            'core/minder.data.compatibility.js',
             'core/minder.data.js',
             'core/minder.event.js',
             'core/minder.module.js',

src/core/kityminder.js

@@ -3,7 +3,7 @@ var KityMinder = window.KM = window.KityMinder = function() {
         instanceId = 0,
         uuidMap = {};
     return {
-        version: '1.1.3.1',
+        version: '1.2.0',
         uuid: function(name) {
             name = name || 'unknown';
             uuidMap[name] = uuidMap[name] || 0;

src/core/minder.data.compatibility.js

+Utils.extend(KityMinder, {
+    compatibility: function(json) {
+
+        var version = json.version || '1.1.3';
+
+        function traverse(node, fn) {
+            fn(node);
+            if (node.children) node.children.forEach(function(child) {
+                traverse(child, fn);
+            });
+        }
+
+        /**
+         * 脑图数据升级
+         * v1.1.3 => v1.2.0
+         * */
+        function c_113_120(json) {
+            // 原本的布局风格
+            var ocs = json.data.currentstyle;
+            delete json.data.currentstyle;
+
+            // 为 1.2 选择模板，同时保留老版本文件的皮肤
+            if (ocs == 'bottom') {
+                json.template = 'structure';
+                json.theme = 'snow';
+            } else if (ocs == 'default') {
+                json.template = 'default';
+                json.theme = 'classic';
+            }
+
+            traverse(json, function(node) {
+                var data = node.data;
+
+                // 升级优先级、进度图标
+                if ('PriorityIcon' in data) {
+                    data.priority = data.PriorityIcon;
+                    delete data.PriorityIcon;
+                }
+                if ('ProgressIcon' in data) {
+                    data.progress = 1 + ((data.ProgressIcon - 1) << 1);
+                    delete data.ProgressIcon;
+                }
+
+                // 删除过时属性
+                delete data.point;
+                delete data.layout;
+            });
+        }
+
+        switch (version) {
+            case '1.1.3':
+                c_113_120(json);
+            case '1.2.0':
+        }
+
+        return json;
+    }
+});
\ No newline at end of file

src/core/minder.data.js

@@ -53,6 +53,7 @@ kity.extendClass(Minder, {
 
         json.template = this.getTemplate();
         json.theme = this.getTheme();
+        json.version = KityMinder.version;
 
         if (protocal) {
             return protocal.encode(json, this);
@@ -139,20 +140,10 @@ kity.extendClass(Minder, {
             this.removeNode(this._root.getChildren()[0]);
         }
 
-        // compality for v1.1.3
-        var ocs = json.data.currentstyle; // old current-style
-        delete json.data.currentstyle;
+        json = KityMinder.compatibility(json);
 
         importNode(this._root, json, this);
 
-        if (ocs == 'bottom') {
-            json.template = 'structure';
-            json.theme = 'snow';
-        } else if (ocs == 'default') {
-            json.template = 'default';
-            json.theme = 'classic';
-        }
-
         this.setTemplate(json.template || null);
         this.setTheme(json.theme || null);
         this.refresh();