配置默认项目

kityminder.config.js

@@ -81,10 +81,9 @@
         //设置km整体的z-index大小
         //,zIndex : 1000
         //设置初始加载时展开的层数和子节点数目阈值
-        ,
-        expand: {
-            layer: 2, //最小为1
-            sub: 10
-        }
+        //,expand: {
+        //layer: 0,
+        //sub: 0
+        //}
     };
 } )();
\ No newline at end of file

src/module/layout.default.js

@@ -539,7 +539,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
 			if ( historyPoint ) _root.setPoint( historyPoint.x, historyPoint.y );
 			var expandoptions = minder.getOptions( 'expand' );
 			var cur_layer = 0;
-			var expand_layer = expandoptions && expandoptions.layer;
+			var expand_layer = expandoptions.layer;
 			var mains = _root.getChildren();
 			for ( var i = 0; i < mains.length; i++ ) {
 				this.appendChildNode( _root, mains[ i ] );
@@ -554,9 +554,9 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				return items;
 			} )();
 			next = [];
-			var layer_nolimit = ( !expandoptions ) || ( expand_layer < 1 ) || ( !expand_layer ) || false;
+			var layer_nolimit =  ( expand_layer < 1 ) || ( !expand_layer ) || false;
 			//debugger;
-			var sub_nolimit = ( !expandoptions ) || ( !expandoptions.sub ) || ( expandoptions.sub < 0 ) || false;
+			var sub_nolimit =  ( expandoptions.sub < 0 ) || false;
 			var loopcontinue = function () {
 				return ( layer_nolimit ? ( _buffer.length !== 0 ) : ( _buffer.length !== 0 && cur_layer < expand_layer ) );
 			};

src/module/layout.js

@@ -250,6 +250,10 @@ KityMinder.registerModule( "LayoutModule", function () {
 				'appendsiblingnode': 'appendsiblingnode',
 				'appendchildnode': 'appendchildnode',
 				'removenode': 'removenode'
+			},
+            expand:{
+                layer:0,
+                sub:0
             }
 		}
 	};