add temlate feture

import.js

@@ -25,13 +25,15 @@
             'core/connect.js',
             'core/render.js',
             'core/theme.js',
+            'core/template.js',
             'layout/default.js',
             'layout/default.connect.js',
             'layout/bottom.js',
             'layout/filetree.js',
             'theme/default.js',
             'theme/bottom.js',
             'theme/filetree.js',
+            'template/bottom.js',
             'module/node.js',
             'module/text.js',
             'module/outline.js',

src/core/template.js

@@ -0,0 +1,63 @@
+utils.extend(KityMinder, {
+    _templates: {},
+    registerTemplate: function(name, supports) {
+        KityMinder._templates[name] = supports;
+    }
+});
+
+kity.extendClass(Minder, (function() {
+    var originGetTheme = Minder.prototype.getTheme;
+    return {
+        useTemplate: function(name) {
+            this._template = name;
+
+            this.getRoot().traverse(function(node) {
+                node.render();
+            });
+
+            this.layout(300);
+        },
+
+        getTemplateSupports: function() {
+            return KityMinder._templates[this._template] || null;
+        },
+
+        getTheme: function(node) {
+            var supports = this.getTemplateSupports();
+            if (supports && supports.getTheme) {
+                return supports.getTheme(node);
+            }
+            return originGetTheme.call(this, node);
+        }
+    };
+})());
+
+
+kity.extendClass(MinderNode, (function() {
+    var originGetLayout = MinderNode.prototype.getLayout;
+    return {
+        getLayout: function() {
+            var supports = this.getMinder().getTemplateSupports();
+            if (supports && supports.getLayout) {
+                return supports.getLayout(this);
+            }
+            return originGetLayout.call(this);
+        }
+    };
+})());
+
+KityMinder.registerModule('TemplateModule', {
+    commands: {
+        'template': kity.createClass('TemplateCommand', {
+            base: Command,
+
+            execute: function(minder, name) {
+                minder.useTemplate(name);
+            },
+
+            queryCommandValue: function(minder) {
+                return minder._template;
+            }
+        })
+    }
+});

src/core/theme.js

@@ -63,16 +63,16 @@ kity.extendClass(Minder, {
      * 获取脑图实例上的当前主题
      * @return {[type]} [description]
      */
-    getTheme: function() {
+    getTheme: function(node) {
         return this._theme || KityMinder._defaultTheme;
     },
 
     /**
      * 获得脑图实例上的样式
      * @param  {String} item 样式名称
      */
-    getStyle: function(item) {
-        var theme = KityMinder._themes[this.getTheme()];
+    getStyle: function(item, node) {
+        var theme = KityMinder._themes[this.getTheme(node)];
         var segment, dir, selector, value, matcher;
 
         if (item in theme) return theme[item];
@@ -102,8 +102,8 @@ kity.extendClass(Minder, {
      * @param  {String} name 样式名称，可以不加节点类型的前缀
      */
     getNodeStyle: function(node, name) {
-        var value = this.getStyle(name);
-        return value !== null ? value : this.getStyle(node.getType() + '-' + name);
+        var value = this.getStyle(name, node);
+        return value !== null ? value : this.getStyle(node.getType() + '-' + name, node);
     }
 });
 

src/template/bottom.js

@@ -0,0 +1,14 @@
+KityMinder.registerTemplate('bottom', {
+
+    getLayout: function(node) {
+
+        if (node.getData('layout')) return node.getData('layout');
+        if (node.isRoot()) return 'bottom';
+
+        return 'filetree';
+    },
+
+    getTheme: function(node) {
+        return node.isRoot() ? 'bottom' : 'filetree';
+    }
+});