dev

src/core/node.js

@@ -12,6 +12,16 @@ var MinderNode = KityMinder.MinderNode = kity.createClass( "MinderNode", {
         return this.parent;
     },
 
+    getDepth: function () {
+        var depth = 0,
+            p = this.parent;
+        while ( p ) {
+            p = p.parent;
+            depth++;
+        }
+        return depth;
+    },
+
     getRoot: function () {
         var root = this;
         while ( root.parent ) {
@@ -45,7 +55,7 @@ var MinderNode = KityMinder.MinderNode = kity.createClass( "MinderNode", {
     },
 
     getIndex: function () {
-        return this.parent ? this.parent.indexOf( this ) : -1;
+        return this.parent ? this.parent.children.indexOf( this ) : -1;
     },
 
     insertChild: function ( node, index ) {

src/module/connect.js

@@ -136,6 +136,7 @@ var ConnectModule = KityMinder.registerModule( "ConnectModule", function () {
 		"events": {
 			"command": function ( e ) {
 				var command = e;
+				var minder = this;
 				switch ( command.commandName ) {
 				case "rendernode":
 					( function () {
@@ -165,13 +166,24 @@ var ConnectModule = KityMinder.registerModule( "ConnectModule", function () {
 					break;
 				case "removenode":
 					( function () {
-						var node = command.commandArgs[ 0 ];
-						node.getData( "connect" ).remove();
+						var nodes = command.commandArgs[ 0 ];
+						if ( ( nodes instanceof Array ) === false ) {
+							nodes = [ nodes ];
+						}
+
+						function removeConnect( node ) {
+							var connect = node.getData( "connect" );
+							if ( connect && connect.remove ) {
+								connect.remove();
+							}
+						}
+						for ( var i = 0; i < nodes.length; i++ ) {
+							nodes[ i ].traverse( removeConnect );
+						}
 					} )();
-				default:
-					break;
-				};
+				}
 			}
 		}
 	};
+
 } );
\ No newline at end of file

src/module/keyboard.js

@@ -46,6 +46,20 @@ KityMinder.registerModule( "KeyboardModule", function () {
         } );
     }
 
+    function findMinDepthNode( nodes ) {
+        var depth,
+            minDepth = Number.MAX_VALUE,
+            minDepthNode = null;
+        for ( var i = 0; i < nodes.length; i++ ) {
+            depth = nodes[ i ].getDepth();
+            if ( depth < minDepth ) {
+                minDepth = depth;
+                minDepthNode = nodes[ i ];
+            }
+        }
+        return minDepthNode;
+    }
+
     var KBCreateAndEditCommand = kity.createClass( {
         base: Command,
         execute: function ( km, type, referNode ) {
@@ -73,11 +87,37 @@ KityMinder.registerModule( "KeyboardModule", function () {
         }
     } );
 
+    var KBRemoveCommand = kity.createClass( {
+        base: Command,
+        execute: function ( km, nodes ) {
+            km.clearSelect( nodes );
+            var select = this.getNextSelection( km, nodes );
+            km.execCommand( 'removeNode', nodes );
+            km.select( select );
+            km.execCommand( 'rendernode', select );
+        },
+        getNextSelection: function ( km, removeNodes ) {
+            var minDepthNode = findMinDepthNode( removeNodes );
+            var parent = minDepthNode.getParent();
+            if ( !parent ) {
+                return km.getRoot();
+            }
+            var length = parent.getChildren().length;
+            if ( length > 1 ) {
+                var index = minDepthNode.getIndex() + 1;
+                return parent.getChild( index % length );
+            } else {
+                return parent;
+            }
+        }
+    } );
+
     return {
         // private usage
         "commands": {
             'kbCreateAndEdit': KBCreateAndEditCommand,
-            'kbNavigate': KBNavigateCommand
+            'kbNavigate': KBNavigateCommand,
+            'kbRemove': KBRemoveCommand
         },
         "events": {
             contentchange: function () {
@@ -108,10 +148,11 @@ KityMinder.registerModule( "KeyboardModule", function () {
                         this.execCommand( 'kbCreateAndEdit', 'child', sNodes[ 0 ] );
                     }
                     break;
+
                 case 8:
                 case 46:
                     // Backspace or Delete
-                    this.execCommand( 'removeNode', sNodes );
+                    this.execCommand( 'kbRemove', sNodes );
                     break;
 
                 case 37:

src/module/layout.js

@@ -57,9 +57,14 @@ KityMinder.registerModule( "LayoutModule", function () {
 
 		return {
 			base: Command,
-			execute: function ( km, node ) {
-				var parent = node.getParent();
-				parent.removeChild( node );
+			execute: function ( km, nodes ) {
+				for ( var i = 0; i < nodes.length; i++ ) {
+					var parent = nodes[ i ].getParent();
+					if ( parent ) {
+						parent.removeChild( nodes[ i ] );
+					}
+				}
+				this.setContentChanged( true );
 			}
 		};
 	} )() );