修改了layout相关的字段，样式切换的时候统一清空“layout字段”

src/module/layout.default.js

@@ -154,10 +154,11 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				this._node = node;
 				var container = node.getRenderContainer();
 				container.addShapes( [ rect, txt ] );
-				node.setData( "shape", this );
+				var Layout = node.getData( "layout" );
+				Layout.shape = this;
 				var ND = JSON.parse( JSON.stringify( nodeDefautStyle ) );
-				node.setData( "style", Utils.extend( ND, node.getData( "style" ) ) );
-				var _style = node.getData( "style" );
+				Layout.style = Utils.extend( ND, Layout.style );
+				var _style = Layout.style;
 				txt.setContent( node.getData( "text" ) || "新建节点" ).setSize( _style.fontSize ).fill( _style.color );
 				var _txtHeight = txt.getHeight();
 				txt.translate( _style.padding[ 3 ], _txtHeight + _style.padding[ 0 ] );
@@ -167,7 +168,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				var node = this._node;
 				var txt = this._txt;
 				var rect = this._rect;
-				var _style = node.getData( "style" );
+				var _style = node.getData( "layout" ).style;
 				txt.setContent( node.getData( "text" ) || "新建节点" ).setSize( _style.fontSize ).fill( _style.color );
 				var _txtHeight = txt.getHeight();
 				var _rectWidth = _style.padding[ 1 ] + _style.padding[ 3 ] + txt.getWidth();
@@ -184,18 +185,19 @@ KityMinder.registerModule( "LayoutDefault", function () {
 	var root = this.getRoot();
 	//更新连线
 	var updateConnect = function ( minder, node, action ) {
-		var _style = node.getData( "style" );
+		var Layout = node.getData( "layout" );
+		var _style = Layout.style;
 		if ( !node.getParent() ) return false;
 		var start = node.getParent().getRenderContainer();
 		var end = node.getRenderContainer();
-		var _connect = node.getData( "connect" );
+		var _connect = Layout.connect;
 		if ( action === "remove" ) {
 			_connect.remove();
 		} else {
 			if ( _connect ) _connect.updateConnection();
 			else {
 				_connect = new ConnectBezier( start, end );
-				node.setData( "connect", _connect );
+				Layout.connect = _connect;
 				minder.getRenderContainer().addShape( _connect );
 				_connect.stroke( _style.stroke );
 			}
@@ -215,7 +217,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
 	//绘制node
 	var drawNode = function ( node ) {
 		var container = node.getRenderContainer();
-		var shape = node.getData( "shape" );
+		var shape = node.getData( "layout" ).shape;
 		if ( !shape ) new MinderNodeShape( node );
 		else shape.update();
 		updateConnect( minder, node );
@@ -227,34 +229,41 @@ KityMinder.registerModule( "LayoutDefault", function () {
 		if ( !parent ) {
 			return effectSet;
 		}
-		var _style = node.getData( "style" );
+		var Layout = node.getData( "layout" );
+		var _style = Layout.style;
 		var marginTop = _style.margin[ 0 ],
 			marginBottom = _style.margin[ 2 ];
-		var appendside = node.getData( "appendside" );
-		var branchheight = node.getData( "branchheight" ) || node.getRenderContainer().getHeight() + marginTop + marginBottom;
+		var appendside = Layout.appendside;
+		var branchheight = Layout.branchheight || node.getRenderContainer().getHeight() + marginTop + marginBottom;
 		var countY = function ( node, appendside ) {
-			var centerY = node.getData( "y" );
-			var nodeBranchHeight = node.getData( appendside + "Height" ) || node.getData( "branchheight" );
-			var nodeChildren = node.getData( appendside + "List" ) || node.getChildren();
+			var nodeLayout = node.getData( "layout" );
+			var centerY = nodeLayout.y;
+			var nodeBranchHeight = nodeLayout[ appendside + "Height" ] || nodeLayout.branchheight;
+			var nodeChildren = nodeLayout[ appendside + "List" ] || node.getChildren();
 			var sY = centerY - nodeBranchHeight / 2;
 			if ( nodeChildren.length === 1 ) {
-				nodeChildren[ 0 ].setData( "y", centerY );
+				var childrenLayout = nodeChildren[ 0 ].getData( "layout" );
+				childrenLayout.y = centerY;
 			} else {
 				for ( var i = 0; i < nodeChildren.length; i++ ) {
-					var childBranchHeight = nodeChildren[ i ].getData( "branchheight" );
-					nodeChildren[ i ].setData( "y", sY + marginTop + childBranchHeight / 2 );
+					var childrenLayout1 = nodeChildren[ i ].getData( "layout" );
+					var childBranchHeight = childrenLayout1.branchheight;
+					childrenLayout1.y = sY + marginTop + childBranchHeight / 2;
 					sY += childBranchHeight;
 				}
 			}
 			return nodeChildren;
 		};
-		node.setData( "branchheight", branchheight );
-		var siblings = parent.getData( appendside + "List" ) || parent.getChildren();
+		Layout.branchheight = branchheight;
+
+		var parentLayout = parent.getData( "layout" );
+		var siblings = parentLayout[ appendside + "List" ] || parent.getChildren();
 		var getChildHeight = function ( node, appendside ) {
 			var sum = 0;
-			var children = node.getData( appendside + "List" ) || node.getChildren();
+			var nodeLayout = node.getData( "layout" );
+			var children = nodeLayout[ appendside + "List" ] || node.getChildren();
 			for ( var i = 0; i < children.length; i++ ) {
-				sum += children[ i ].getData( "branchheight" );
+				sum += children[ i ].getData( "layout" ).branchheight;
 			}
 			return sum;
 		};
@@ -267,11 +276,12 @@ KityMinder.registerModule( "LayoutDefault", function () {
 			var minH = prt.getRenderContainer().getHeight() + marginTop + marginBottom;
 			var childH = getChildHeight( prt, appendside );
 			var branchH = ( minH > childH ? minH : childH );
+			var prtLayout = prt.getData( "layout" );
 
 			if ( prt.getParent() ) {
-				prt.setData( "branchheight", branchH );
+				prtLayout.branchheight = branchH;
 			} else {
-				prt.setData( appendside + "Height", branchH );
+				prtLayout[ appendside + "Height" ] = branchH;
 			}
 			prt = prt.getParent();
 		} while ( prt );
@@ -295,21 +305,23 @@ KityMinder.registerModule( "LayoutDefault", function () {
 		var selfWidth = node.getRenderContainer().getWidth();
 
 		var countX = function ( n ) {
+			var nLayout = n.getData( "layout" );
 			var prt = n.getParent();
-			var parentX = prt.getData( "x" );
+			var prtLayout = prt.getData( "layout" );
+			var parentX = prtLayout.x;
 			var parentWidth = prt.getRenderContainer().getWidth();
-			var parentAlign = prt.getData( "align" );
-			var selfAppendSide = n.getData( "appendside" );
+			var parentAlign = prtLayout.align;
+			var selfAppendSide = nLayout.appendside;
 			if ( parentAlign === "center" ) parentWidth = parentWidth / 2;
-			var _style = node.getData( "style" );
+			var _style = nLayout.style;
 			var marginLeft = _style.margin[ 3 ];
 			var marginRight = _style.margin[ 1 ];
 			switch ( selfAppendSide ) {
 			case "left":
-				n.setData( "x", parentX - parentWidth - marginLeft - marginRight );
+				nLayout.x = parentX - parentWidth - marginLeft - marginRight;
 				break;
 			case "right":
-				n.setData( "x", parentX + parentWidth + marginLeft + marginRight );
+				nLayout.x = parentX + parentWidth + marginLeft + marginRight;
 				break;
 			default:
 				break;
@@ -333,19 +345,20 @@ KityMinder.registerModule( "LayoutDefault", function () {
 
 	//调整node的位置
 	var translateNode = function ( node ) {
+		var Layout = node.getData( "layout" );
 		var nodeShape = node.getRenderContainer();
-		var align = node.getData( "align" );
+		var align = Layout.align;
 		var _rectHeight = nodeShape.getHeight();
 		var _rectWidth = nodeShape.getWidth();
 		switch ( align ) {
 		case "right":
-			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ) - _rectWidth, node.getData( "y" ) - _rectHeight / 2 ) );
+			nodeShape.setTransform( new kity.Matrix().translate( Layout.x - _rectWidth, Layout.y - _rectHeight / 2 ) );
 			break;
 		case "center":
-			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ) - _rectWidth / 2, node.getData( "y" ) - _rectHeight / 2 ) );
+			nodeShape.setTransform( new kity.Matrix().translate( Layout.x - _rectWidth / 2, Layout.y - _rectHeight / 2 ) );
 			break;
 		default:
-			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ), node.getData( "y" ) - _rectHeight / 2 ) );
+			nodeShape.setTransform( new kity.Matrix().translate( Layout.x, Layout.y - _rectHeight / 2 ) );
 			break;
 		}
 		updateConnect( minder, node );
@@ -357,7 +370,8 @@ KityMinder.registerModule( "LayoutDefault", function () {
 		initStyle: function () {
 			var _root = this.getRoot();
 			var minder = this;
-			_root.setData( "style", {
+			var Layout = _root.getData( "layout" );
+			Layout.style = {
 				radius: 10,
 				fill: "orange",
 				stroke: "orange",
@@ -365,23 +379,21 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				padding: [ 10, 10, 10, 10 ],
 				fontSize: 30,
 				margin: [ 0, 0, 0, 0 ]
-			} );
-			_root.setData( "x", minderWidth / 2 );
-			_root.setData( "y", minderHeight / 2 );
-			_root.setData( "align", "center" );
+			};
+			Layout.x = minderWidth / 2;
+			Layout.y = minderHeight / 2;
+			Layout.align = "center";
 			if ( !_root.getData( "text" ) ) _root.setData( "text", "I am the root" );
-
-			_root.setData( "appendside", "right" );
-			_root.setData( "leftList", [] );
-			_root.setData( "rightList", [] );
-
+			Layout.appendside = "right";
+			Layout.leftList = [];
+			Layout.rightList = [];
 			var _rootRenderContainer = _root.getRenderContainer();
-			_root.setData( "leftHeight", _rootRenderContainer.getHeight() );
-			_root.setData( "rightHeight", _rootRenderContainer.getHeight() );
+			var rootHeight = _rootRenderContainer.getHeight();
+			Layout.leftHeight = Layout.rightHeight = rootHeight;
+
 			drawNode( _root );
 			translateNode( _root );
 
-
 			//如果是从其他style切过来的，需要重新布局
 			var _buffer = _root.getChildren();
 			while ( _buffer.length !== 0 ) {
@@ -392,6 +404,9 @@ KityMinder.registerModule( "LayoutDefault", function () {
 			}
 		},
 		appendChildNode: function ( parent, node, index ) {
+			if ( !node.getData( "layout" ) ) node.setData( "layout", {} );
+			var Layout = node.getData( "layout" );
+			var parentLayout = parent.getData( "layout" );
 			var minder = this;
 			if ( parent.getChildren().indexOf( node ) === -1 ) {
 				if ( !index ) parent.appendChild( node );
@@ -399,28 +414,28 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				minder.handelNodeInsert( node );
 			}
 			if ( parent === root ) {
-				var leftList = parent.getData( "leftList" );
-				var rightList = parent.getData( "rightList" );
+				var leftList = parentLayout.leftList;
+				var rightList = parentLayout.rightList;
 				var sibling = parent.getChildren();
-				var aside = node.getData( "appendside" );
+				var aside = Layout.appendside;
 				if ( !aside ) {
 					if ( sibling.length > 2 && rightList.length > leftList.length ) {
 						aside = "left";
 					} else {
 						aside = "right";
 					}
-					node.setData( "appendside", aside );
+					Layout.appendside = aside;
 				}
-				parent.setData( "appendside", aside );
-				parent.getData( aside + "List" ).push( node );
+				parentLayout.appendside = aside;
+				parentLayout[ aside + "List" ].push( node );
 			}
 
-			var appendside = parent.getData( "appendside" );
-			node.setData( "appendside", appendside );
+			var appendside = parentLayout.appendside;
+			Layout.appendside = appendside;
 			if ( appendside === "left" ) {
-				node.setData( "align", "right" );
+				Layout.align = "right";
 			} else {
-				node.setData( "align", "left" );
+				Layout.align = "left";
 			}
 			drawNode( node );
 			var set1 = updateLayoutVertical( node, parent, "append" );
@@ -430,11 +445,19 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				translateNode( set[ i ] );
 			}
 		},
+		updateLayout: function ( node ) {
+			var prt = node;
+			prt.preTraverse( function ( n ) {
+
+			} );
+		},
 		appendSiblingNode: function ( sibling, node ) {
+			var siblingLayout = sibling.getData( "layout" );
+			var Layout = node.getData( "layout" );
 			var parent = sibling.getParent();
 			var index = sibling.getIndex() + 1;
-			var appendside = sibling.getData( "appendside" );
-			node.setData( "appendside", appendside );
+			var appendside = siblingLayout.appendside;
+			Layout.appendside = appendside;
 			this.appendChildNode( parent, node, index );
 		},
 		removeNode: function ( nodes ) {
@@ -444,6 +467,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
 				var parent = nodes[ i ].getParent();
 				if ( parent ) {
 					var _buffer = [ nodes[ i ] ];
+					var parentLayout = parent.getData( "layout" );
 					while ( _buffer.length !== 0 ) {
 						_buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
 						_buffer[ 0 ].getRenderContainer().remove();
@@ -451,8 +475,9 @@ KityMinder.registerModule( "LayoutDefault", function () {
 						_buffer.shift();
 					}
 					if ( parent === root ) {
-						var appendside = nodes[ i ].getData( "appendside" );
-						var sideList = parent.getData( appendside + "List" );
+						var Layout = nodes[ i ].getData( "layout" );
+						var appendside = Layout.appendside;
+						var sideList = parentLayout[ appendside + "List" ];
 						var idx = sideList.indexOf( nodes[ i ] );
 						sideList.splice( idx, 1 );
 					}

src/module/layout.green.backup.js

+KityMinder.registerModule( "LayoutGreen", function () {
+	var _target = this.getRenderTarget();
+	var minderWidth = _target.clientWidth;
+	var minderHeight = _target.clientHeight;
+	var minder = this;
+	var ConnectBezier = kity.createClass( "ConnectBezier", ( function () {
+		function mid( a, b ) {
+			return ( a + b ) / 2;
+		}
+
+		function getSnapPoints( snaper ) {
+			if ( snaper.getSnapPoints ) {
+				return snaper.getSnapPoints();
+			}
+			var box = snaper.getRenderBox();
+			var x1 = box.x,
+				x2 = box.x + box.width,
+				y1 = box.y,
+				y2 = box.y + box.height,
+				xm = mid( x1, x2 ),
+				ym = mid( y1, y2 );
+			return [ {
+					x: xm,
+					y: y1,
+					type: 'top'
+				}, // top
+				{
+					x: x2,
+					y: ym,
+					type: 'right'
+				}, // right
+				{
+					x: xm,
+					y: y2,
+					type: 'bottom'
+				}, // bottom
+				{
+					x: x1,
+					y: ym,
+					type: 'left'
+				} // left
+			];
+		}
+		var DIR_NORMALS = {
+			top: new kity.Vector( 0, -1 ),
+			left: new kity.Vector( -1, 0 ),
+			bottom: new kity.Vector( 0, 1 ),
+			right: new kity.Vector( 1, 0 )
+		};
+
+		function fillNormal( snapPoint ) {
+			if ( snapPoint.normal ) {
+				return;
+			}
+			snapPoint.normal = DIR_NORMALS[ snapPoint.type ] || DIR_NORMALS.left;
+		}
+		return {
+			base: kity.Bezier,
+			constructor: function ( start, end ) {
+				this.callBase();
+				this.setStartSnaper( start );
+				this.setEndSnaper( end );
+				this.init();
+				this.updateConnection();
+			},
+			init: function () {
+				this.addPoint( this.startBesierPoint = new kity.BezierPoint() );
+				this.addPoint( this.endBesierPoint = new kity.BezierPoint() );
+			},
+			bindSnaper: function ( snaper ) {
+				var me = this;
+				snaper.on( 'shapeupdate', function () {
+					me.updateConnection();
+				} );
+			},
+			setStartSnaper: function ( snaper ) {
+				this.start = snaper;
+				this.bindSnaper( snaper );
+			},
+			setEndSnaper: function ( snaper ) {
+				this.end = snaper;
+				this.bindSnaper( snaper );
+			},
+			isReady: function () {
+				return !!( this.start && this.end );
+			},
+			calcEndPoints: function () {
+				var startEnds = getSnapPoints( this.start ),
+					endEnds = getSnapPoints( this.end );
+				var nearStart, nearEnd, minDistance = Number.MAX_VALUE;
+				var i, j, startEnd, endEnd, distance;
+
+				// 寻找最近的粘附点
+				// 暴力解法：可优化但不必要，因为点集不会很大
+				for ( i = 0; i < startEnds.length; i++ ) {
+					for ( j = 0; j < endEnds.length; j++ ) {
+						distance = Math.abs( startEnds[ i ].x - endEnds[ j ].x ) + Math.abs( startEnds[ i ].y - endEnds[ j ].y ) * 0.5; //Vector.fromPoints( startEnds[i], endEnds[j] ).length();
+						if ( distance < minDistance ) {
+							minDistance = distance;
+							nearStart = startEnds[ i ];
+							nearEnd = endEnds[ j ];
+						}
+					}
+				}
+				return {
+					start: nearStart,
+					end: nearEnd
+				};
+			},
+			updateConnection: function () {
+				if ( !this.isReady() ) {
+					return false;
+				}
+				var endPoints = this.calcEndPoints(),
+					startEnd = endPoints.start,
+					endEnd = endPoints.end;
+
+				fillNormal( startEnd );
+				fillNormal( endEnd );
+
+				var pointVector = kity.Vector.fromPoints( startEnd, endEnd );
+
+				var forward = kity.Vector.projection( pointVector, startEnd.normal );
+				var backward = kity.Vector.projection( kity.Vector.reverse( pointVector ), endEnd.normal );
+
+				forward = kity.Vector.multipy( forward, 0.5 );
+				forward = kity.Vector.add( startEnd, forward );
+				backward = kity.Vector.multipy( backward, 0.5 );
+				backward = kity.Vector.add( endEnd, backward );
+
+				this.startBesierPoint.setVertex( startEnd.x, startEnd.y );
+				this.startBesierPoint.setForward( forward.x, forward.y );
+
+				this.endBesierPoint.setVertex( endEnd.x, endEnd.y );
+				this.endBesierPoint.setBackward( backward.x, backward.y );
+			}
+		};
+	} )() );
+	var nodeDefautStyle = {
+		radius: 10,
+		fill: "beige",
+		stroke: "orange",
+		strokeWidth: 1,
+		color: "black",
+		padding: [ 5, 10, 5, 10 ],
+		fontSize: 20,
+		margin: [ 50, 5, 0, 5 ]
+	};
+	var MinderNodeShape = kity.createClass( "MinderNodeShape", ( function () {
+		return {
+			constructor: function ( node ) {
+				var txt = this._txt = new kity.Text();
+				var rect = this._rect = new kity.Rect();
+				this._node = node;
+				var container = node.getRenderContainer();
+				container.addShapes( [ rect, txt ] );
+				node.setData( "shape", this );
+				var ND = JSON.parse( JSON.stringify( nodeDefautStyle ) );
+				node.setData( "style", Utils.extend( ND, node.getData( "style" ) ) );
+				var _style = node.getData( "style" );
+				txt.setContent( node.getData( "text" ) || "新建节点" ).setSize( _style.fontSize ).fill( _style.color );
+				var _txtHeight = txt.getHeight();
+				txt.translate( _style.padding[ 3 ], _txtHeight + _style.padding[ 0 ] );
+				this.update();
+			},
+			update: function () {
+				var node = this._node;
+				var txt = this._txt;
+				var rect = this._rect;
+				var _style = node.getData( "style" );
+				txt.setContent( node.getData( "text" ) || "新建节点" ).setSize( _style.fontSize ).fill( _style.color );
+				var _txtHeight = txt.getHeight();
+				var _rectWidth = _style.padding[ 1 ] + _style.padding[ 3 ] + txt.getWidth();
+				var _rectHeight = _style.padding[ 0 ] + _style.padding[ 2 ] + _txtHeight;
+				rect.fill( _style.fill ).stroke( _style.stroke ).setRadius( _style.radius ).setWidth( _rectWidth ).setHeight( _rectHeight );
+				if ( node.getData( "highlight" ) ) {
+					rect.stroke( new kity.Pen( "white", 3 ) );
+				} else {
+					rect.stroke( new kity.Pen( _style.stroke, _style.strokeWidth ) );
+				}
+			}
+		};
+	} )() );
+	var root = this.getRoot();
+	//更新连线
+	var updateConnect = function ( minder, node, action ) {
+		var _style = node.getData( "style" );
+		if ( !node.getParent() ) return false;
+		var start = node.getParent().getRenderContainer();
+		var end = node.getRenderContainer();
+		var _connect = node.getData( "connect" );
+		if ( action === "remove" ) {
+			_connect.remove();
+		} else {
+			if ( _connect ) _connect.updateConnection();
+			else {
+				_connect = new ConnectBezier( start, end );
+				node.setData( "connect", _connect );
+				minder.getRenderContainer().addShape( _connect );
+				_connect.stroke( _style.stroke );
+			}
+		}
+	};
+	//求并集
+	var uSet = function ( a, b ) {
+		for ( var i = 0; i < a.length; i++ ) {
+			var idx = b.indexOf( a[ i ] );
+			if ( idx !== -1 ) {
+				b.splice( idx, 1 );
+			}
+		}
+		return a.concat( b );
+	};
+	//流程：绘制->计算Y坐标->计算X坐标->translate
+	//绘制node
+	var drawNode = function ( node ) {
+		var container = node.getRenderContainer();
+		var shape = node.getData( "shape" );
+		if ( !shape ) new MinderNodeShape( node );
+		else shape.update();
+		updateConnect( minder, node );
+	};
+
+	//以某个节点为seed对整体高度进行更改计算
+	var updateLayoutVertical = function ( node ) {
+		var parent = node.getParent();
+		var effectSet = [];
+		var parentHeight = parent.getRenderContainer().getHeight();
+		var _style = node.getData( "style" );
+		var parentY = parent.getData( "y" );
+		var marginTop = _style.margin[ 0 ];
+		var marginBottom = _style.margin[ 2 ];
+		node.setData( "y", parentY + parentHeight / 2 + marginTop + marginBottom );
+		effectSet.push( node );
+		return effectSet;
+	};
+
+	//以某个节点为seed对水平方向进行调整
+	var updateLayoutHorizon = function ( node, parent ) {
+		var effectSet = [];
+		var _style = node.getData( "style" );
+		var marginLeft = _style.margin[ 3 ];
+		var marginRight = _style.margin[ 1 ];
+		var nodeWidth = node.getRenderContainer().getWidth();
+		node.setData( "branchwidth", nodeWidth + marginLeft + marginRight );
+		var prt = parent;
+		while ( prt ) {
+			var children = prt.getChildren();
+			var parentWidth = prt.getRenderContainer().getWidth();
+			var sum = 0;
+			for ( var i = 0; i < children.length; i++ ) {
+				sum += children[ i ].getData( "branchwidth" );
+			}
+			prt.setData( "branchwidth", ( sum > parentWidth ? sum : parentWidth ) );
+			prt.setData( "childrenwidth", sum );
+			prt = prt.getParent();
+		}
+		var _buffer = [ root ];
+		while ( _buffer.length !== 0 ) {
+			var childrenC = _buffer[ 0 ].getChildren();
+			var parentX = _buffer[ 0 ].getData( "x" );
+			var parentChildrenWidth = _buffer[ 0 ].getData( "childrenwidth" );
+			var sX = parentX - parentChildrenWidth / 2;
+			for ( var j = 0; j < childrenC.length; j++ ) {
+				childrenC[ j ].setData( "x", sX + childrenC[ j ].getData( "branchwidth" ) / 2 );
+				sX += ( childrenC[ j ].getData( "branchwidth" ) + marginLeft + marginRight );
+			}
+			_buffer = _buffer.concat( childrenC );
+			effectSet.push( _buffer[ 0 ] );
+			_buffer.shift();
+		}
+		return effectSet;
+	};
+	//调整node的位置
+	var translateNode = function ( node ) {
+		var _style = node.getData( "style" );
+		var nodeShape = node.getRenderContainer();
+		var align = node.getData( "align" );
+		var _rectHeight = nodeShape.getHeight();
+		var _rectWidth = nodeShape.getWidth();
+		switch ( align ) {
+		case "right":
+			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ) - _rectWidth, node.getData( "y" ) - _rectHeight / 2 ) );
+			break;
+		case "center":
+			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ) - _rectWidth / 2, node.getData( "y" ) - _rectHeight / 2 ) );
+			break;
+		default:
+			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ), node.getData( "y" ) - _rectHeight / 2 ) );
+			break;
+		}
+		updateConnect( minder, node );
+	};
+	var _style = {
+		renderNode: function ( node ) {
+			drawNode( node );
+		},
+		initStyle: function () {
+			var _root = this.getRoot();
+			var minder = this;
+			_root.setData( "style", {
+				radius: 20,
+				fill: "darkgreen",
+				stroke: "orange",
+				color: "black",
+				padding: [ 10, 10, 10, 10 ],
+				fontSize: 30,
+				margin: [ 0, 5, 0, 5 ]
+			} );
+			_root.setData( "x", minderWidth / 2 );
+			_root.setData( "y", 50 );
+			_root.setData( "align", "center" );
+			_root.setData( "text", "I am the root" );
+
+			var _rootRenderContainer = _root.getRenderContainer();
+			_root.setData( "leftHeight", _rootRenderContainer.getHeight() );
+			_root.setData( "rightHeight", _rootRenderContainer.getHeight() );
+			drawNode( _root );
+			translateNode( _root );
+
+
+			//如果是从其他style切过来的，需要重新布局
+			var _buffer = _root.getChildren();
+			while ( _buffer.length !== 0 ) {
+				_buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
+				var prt = _buffer[ 0 ].getParent();
+				this.appendChildNode( prt, _buffer[ 0 ] );
+				_buffer.shift();
+			}
+		},
+		appendChildNode: function ( parent, node, index ) {
+			var minder = this;
+			if ( parent.getChildren().indexOf( node ) === -1 ) {
+				if ( !index ) parent.appendChild( node );
+				else parent.insertChild( node, index );
+				minder.handelNodeInsert( node );
+			}
+			drawNode( node );
+			node.setData( "align", "center" );
+			//调整影响到的节点位置
+			var set1 = updateLayoutVertical( node );
+			var set2 = updateLayoutHorizon( node, parent );
+			var set = uSet( set1, set2 );
+			for ( var i = 0; i < set.length; i++ ) {
+				translateNode( set[ i ] );
+			}
+		},
+		appendSiblingNode: function ( sibling, node ) {
+			var parent = sibling.getParent();
+			var index = sibling.getIndex() + 1;
+			var appendside = sibling.getData( "appendside" );
+			node.setData( "appendside", appendside );
+			this.appendChildNode( parent, node, index );
+		},
+		removeNode: function ( nodes ) {
+			var root = this.getRoot();
+			var minder = this;
+			for ( var i = 0; i < nodes.length; i++ ) {
+				var parent = nodes[ i ].getParent();
+				if ( parent ) {
+					nodes[ i ].getRenderContainer().remove();
+					updateConnect( minder, nodes[ i ], "remove" );
+					parent.removeChild( nodes[ i ] );
+				}
+			}
+		},
+		updateLayout: function ( node ) {
+
+		}
+	};
+	this.addLayoutStyle( "green", _style );
+	return {};
+} );
\ No newline at end of file

src/module/layout.green.js

@@ -138,13 +138,13 @@ KityMinder.registerModule( "LayoutGreen", function () {
 	} )() );
 	var nodeDefautStyle = {
 		radius: 10,
-		fill: "beige",
+		fill: "green",
 		stroke: "orange",
 		strokeWidth: 1,
 		color: "black",
 		padding: [ 5, 10, 5, 10 ],
 		fontSize: 20,
-		margin: [ 50, 5, 0, 5 ]
+		margin: [ 0, 10, 10, 50 ]
 	};
 	var MinderNodeShape = kity.createClass( "MinderNodeShape", ( function () {
 		return {
@@ -154,10 +154,11 @@ KityMinder.registerModule( "LayoutGreen", function () {
 				this._node = node;
 				var container = node.getRenderContainer();
 				container.addShapes( [ rect, txt ] );
-				node.setData( "shape", this );
+				var Layout = node.getData( "layout" );
+				Layout.shape = this;
 				var ND = JSON.parse( JSON.stringify( nodeDefautStyle ) );
-				node.setData( "style", Utils.extend( ND, node.getData( "style" ) ) );
-				var _style = node.getData( "style" );
+				Layout.style = Utils.extend( ND, Layout.style );
+				var _style = Layout.style;
 				txt.setContent( node.getData( "text" ) || "新建节点" ).setSize( _style.fontSize ).fill( _style.color );
 				var _txtHeight = txt.getHeight();
 				txt.translate( _style.padding[ 3 ], _txtHeight + _style.padding[ 0 ] );
@@ -167,7 +168,7 @@ KityMinder.registerModule( "LayoutGreen", function () {
 				var node = this._node;
 				var txt = this._txt;
 				var rect = this._rect;
-				var _style = node.getData( "style" );
+				var _style = node.getData( "layout" ).style;
 				txt.setContent( node.getData( "text" ) || "新建节点" ).setSize( _style.fontSize ).fill( _style.color );
 				var _txtHeight = txt.getHeight();
 				var _rectWidth = _style.padding[ 1 ] + _style.padding[ 3 ] + txt.getWidth();
@@ -184,18 +185,19 @@ KityMinder.registerModule( "LayoutGreen", function () {
 	var root = this.getRoot();
 	//更新连线
 	var updateConnect = function ( minder, node, action ) {
-		var _style = node.getData( "style" );
+		var Layout = node.getData( "layout" );
+		var _style = Layout.style;
 		if ( !node.getParent() ) return false;
 		var start = node.getParent().getRenderContainer();
 		var end = node.getRenderContainer();
-		var _connect = node.getData( "connect" );
+		var _connect = Layout.connect;
 		if ( action === "remove" ) {
 			_connect.remove();
 		} else {
 			if ( _connect ) _connect.updateConnection();
 			else {
 				_connect = new ConnectBezier( start, end );
-				node.setData( "connect", _connect );
+				Layout.connect = _connect;
 				minder.getRenderContainer().addShape( _connect );
 				_connect.stroke( _style.stroke );
 			}
@@ -215,79 +217,148 @@ KityMinder.registerModule( "LayoutGreen", function () {
 	//绘制node
 	var drawNode = function ( node ) {
 		var container = node.getRenderContainer();
-		var shape = node.getData( "shape" );
+		var shape = node.getData( "layout" ).shape;
 		if ( !shape ) new MinderNodeShape( node );
 		else shape.update();
 		updateConnect( minder, node );
 	};
 
 	//以某个节点为seed对整体高度进行更改计算
-	var updateLayoutVertical = function ( node ) {
-		var parent = node.getParent();
-		var effectSet = [];
-		var parentHeight = parent.getRenderContainer().getHeight();
-		var _style = node.getData( "style" );
-		var parentY = parent.getData( "y" );
-		var marginTop = _style.margin[ 0 ];
-		var marginBottom = _style.margin[ 2 ];
-		node.setData( "y", parentY + parentHeight / 2 + marginTop + marginBottom );
-		effectSet.push( node );
-		return effectSet;
-	};
+	var updateLayoutVertical = function ( node, parent, action ) {
+		var effectSet = [ node ]; //用于返回受影响的节点集
+		if ( !parent ) {
+			return effectSet;
+		}
+		var Layout = node.getData( "layout" );
+		var _style = Layout.style;
+		var marginTop = _style.margin[ 0 ],
+			marginBottom = _style.margin[ 2 ];
+		var appendside = Layout.appendside;
+		var branchheight = Layout.branchheight || node.getRenderContainer().getHeight() + marginTop + marginBottom;
+		var countY = function ( node, appendside ) {
+			var nodeLayout = node.getData( "layout" );
+			var centerY = nodeLayout.y;
+			var nodeBranchHeight = nodeLayout[ appendside + "Height" ] || nodeLayout.branchheight;
+			var nodeChildren = nodeLayout[ appendside + "List" ] || node.getChildren();
+			var sY = centerY - nodeBranchHeight / 2;
+			if ( nodeChildren.length === 1 ) {
+				var childrenLayout = nodeChildren[ 0 ].getData( "layout" );
+				childrenLayout.y = centerY;
+			} else {
+				for ( var i = 0; i < nodeChildren.length; i++ ) {
+					var childrenLayout1 = nodeChildren[ i ].getData( "layout" );
+					var childBranchHeight = childrenLayout1.branchheight;
+					childrenLayout1.y = sY + marginTop + childBranchHeight / 2;
+					sY += childBranchHeight;
+				}
+			}
+			return nodeChildren;
+		};
+		Layout.branchheight = branchheight;
 
-	//以某个节点为seed对水平方向进行调整
-	var updateLayoutHorizon = function ( node, parent ) {
-		var effectSet = [];
-		var _style = node.getData( "style" );
-		var marginLeft = _style.margin[ 3 ];
-		var marginRight = _style.margin[ 1 ];
-		var nodeWidth = node.getRenderContainer().getWidth();
-		node.setData( "branchwidth", nodeWidth + marginLeft + marginRight );
-		var prt = parent;
-		while ( prt ) {
-			var children = prt.getChildren();
-			var parentWidth = prt.getRenderContainer().getWidth();
+		var parentLayout = parent.getData( "layout" );
+		var siblings = parentLayout[ appendside + "List" ] || parent.getChildren();
+		var getChildHeight = function ( node, appendside ) {
 			var sum = 0;
+			var nodeLayout = node.getData( "layout" );
+			var children = nodeLayout[ appendside + "List" ] || node.getChildren();
 			for ( var i = 0; i < children.length; i++ ) {
-				sum += children[ i ].getData( "branchwidth" );
+				sum += children[ i ].getData( "layout" ).branchheight;
+			}
+			return sum;
+		};
+		//方案：
+		//增加节点时：1.节点和大于1
+		//删除节点时：1.剩余节点和大于等于1
+		//更新branchheight
+		var prt = parent;
+		do {
+			var minH = prt.getRenderContainer().getHeight() + marginTop + marginBottom;
+			var childH = getChildHeight( prt, appendside );
+			var branchH = ( minH > childH ? minH : childH );
+			var prtLayout = prt.getData( "layout" );
+
+			if ( prt.getParent() ) {
+				prtLayout.branchheight = branchH;
+			} else {
+				prtLayout[ appendside + "Height" ] = branchH;
 			}
-			prt.setData( "branchwidth", ( sum > parentWidth ? sum : parentWidth ) );
-			prt.setData( "childrenwidth", sum );
 			prt = prt.getParent();
-		}
-		var _buffer = [ root ];
+		} while ( prt );
+		//遍历
+		var effectRange = [ root ];
+		var _buffer = effectRange;
 		while ( _buffer.length !== 0 ) {
-			var childrenC = _buffer[ 0 ].getChildren();
-			var parentX = _buffer[ 0 ].getData( "x" );
-			var parentChildrenWidth = _buffer[ 0 ].getData( "childrenwidth" );
-			var sX = parentX - parentChildrenWidth / 2;
-			for ( var j = 0; j < childrenC.length; j++ ) {
-				childrenC[ j ].setData( "x", sX + childrenC[ j ].getData( "branchwidth" ) / 2 );
-				sX += ( childrenC[ j ].getData( "branchwidth" ) + marginLeft + marginRight );
-				console.log( childrenC[ j ].getData( "branchwidth" ) + marginLeft + marginRight );
+			_buffer = _buffer.concat( countY( _buffer[ 0 ], appendside ) );
+			effectSet.push( _buffer[ 0 ] );
+			_buffer.shift();
+		}
+
+		return effectSet;
+	};
+
+	//以某个节点为seed对水平方向进行调整(包括调整子树)
+	var updateLayoutHorizon = function ( node ) {
+		var effectSet = [ node ]; //返回受影响（即需要进行下一步translate的节点）
+		var parent = node.getParent();
+		var appendside = node.getData( "appendside" );
+		var selfWidth = node.getRenderContainer().getWidth();
+
+		var countX = function ( n ) {
+			var nLayout = n.getData( "layout" );
+			var prt = n.getParent();
+			var prtLayout = prt.getData( "layout" );
+			var parentX = prtLayout.x;
+			var parentWidth = prt.getRenderContainer().getWidth();
+			var parentAlign = prtLayout.align;
+			var selfAppendSide = nLayout.appendside;
+			if ( parentAlign === "center" ) parentWidth = parentWidth / 2;
+			var _style = nLayout.style;
+			var marginLeft = _style.margin[ 3 ];
+			var marginRight = _style.margin[ 1 ];
+			switch ( selfAppendSide ) {
+			case "left":
+				nLayout.x = parentX - parentWidth - marginLeft - marginRight;
+				break;
+			case "right":
+				nLayout.x = parentX + parentWidth + marginLeft + marginRight;
+				break;
+			default:
+				break;
 			}
-			_buffer = _buffer.concat( childrenC );
+		};
+
+		//判断根据父节点位置定位还是自身已经带有位置属性
+		if ( parent ) {
+			countX( node );
+		}
+		//判断是否存在已绘制的孩子并对孩子位置进行调整(用于外部调用renderNode，如文本编时)
+		var _buffer = node.getChildren();
+		while ( _buffer.length !== 0 ) {
+			countX( _buffer[ 0 ] );
 			effectSet.push( _buffer[ 0 ] );
+			_buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
 			_buffer.shift();
 		}
 		return effectSet;
 	};
+
 	//调整node的位置
 	var translateNode = function ( node ) {
-		var _style = node.getData( "style" );
+		var Layout = node.getData( "layout" );
 		var nodeShape = node.getRenderContainer();
-		var align = node.getData( "align" );
+		var align = Layout.align;
 		var _rectHeight = nodeShape.getHeight();
 		var _rectWidth = nodeShape.getWidth();
 		switch ( align ) {
 		case "right":
-			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ) - _rectWidth, node.getData( "y" ) - _rectHeight / 2 ) );
+			nodeShape.setTransform( new kity.Matrix().translate( Layout.x - _rectWidth, Layout.y - _rectHeight / 2 ) );
 			break;
 		case "center":
-			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ) - _rectWidth / 2, node.getData( "y" ) - _rectHeight / 2 ) );
+			nodeShape.setTransform( new kity.Matrix().translate( Layout.x - _rectWidth / 2, Layout.y - _rectHeight / 2 ) );
 			break;
 		default:
-			nodeShape.setTransform( new kity.Matrix().translate( node.getData( "x" ), node.getData( "y" ) - _rectHeight / 2 ) );
+			nodeShape.setTransform( new kity.Matrix().translate( Layout.x, Layout.y - _rectHeight / 2 ) );
 			break;
 		}
 		updateConnect( minder, node );
@@ -299,30 +370,32 @@ KityMinder.registerModule( "LayoutGreen", function () {
 		initStyle: function () {
 			var _root = this.getRoot();
 			var minder = this;
-			_root.setData( "style", {
-				radius: 20,
-				fill: "darkgreen",
+			var Layout = _root.getData( "layout" );
+			Layout.style = {
+				radius: 10,
+				fill: "orange",
 				stroke: "orange",
 				color: "black",
 				padding: [ 10, 10, 10, 10 ],
 				fontSize: 30,
-				margin: [ 0, 5, 0, 5 ]
-			} );
-			_root.setData( "x", minderWidth / 2 );
-			_root.setData( "y", 50 );
-			_root.setData( "align", "center" );
-			_root.setData( "text", "I am the root" );
-
+				margin: [ 0, 0, 0, 0 ]
+			};
+			Layout.x = minderWidth / 2;
+			Layout.y = minderHeight / 2;
+			Layout.align = "center";
+			if ( !_root.getData( "text" ) ) _root.setData( "text", "I am the root" );
+			Layout.appendside = "right";
+			Layout.leftList = [];
+			Layout.rightList = [];
 			var _rootRenderContainer = _root.getRenderContainer();
-			_root.setData( "leftHeight", _rootRenderContainer.getHeight() );
-			_root.setData( "rightHeight", _rootRenderContainer.getHeight() );
+			var rootHeight = _rootRenderContainer.getHeight();
+			Layout.leftHeight = Layout.rightHeight = rootHeight;
+
 			drawNode( _root );
 			translateNode( _root );
 
-
 			//如果是从其他style切过来的，需要重新布局
 			var _buffer = _root.getChildren();
-			console.log( _buffer );
 			while ( _buffer.length !== 0 ) {
 				_buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
 				var prt = _buffer[ 0 ].getParent();
@@ -331,28 +404,60 @@ KityMinder.registerModule( "LayoutGreen", function () {
 			}
 		},
 		appendChildNode: function ( parent, node, index ) {
+			if ( !node.getData( "layout" ) ) node.setData( "layout", {} );
+			var Layout = node.getData( "layout" );
+			var parentLayout = parent.getData( "layout" );
 			var minder = this;
 			if ( parent.getChildren().indexOf( node ) === -1 ) {
 				if ( !index ) parent.appendChild( node );
 				else parent.insertChild( node, index );
 				minder.handelNodeInsert( node );
 			}
+			if ( parent === root ) {
+				var leftList = parentLayout.leftList;
+				var rightList = parentLayout.rightList;
+				var sibling = parent.getChildren();
+				var aside = Layout.appendside;
+				if ( !aside ) {
+					if ( sibling.length > 2 && rightList.length > leftList.length ) {
+						aside = "left";
+					} else {
+						aside = "right";
+					}
+					Layout.appendside = aside;
+				}
+				parentLayout.appendside = aside;
+				parentLayout[ aside + "List" ].push( node );
+			}
+
+			var appendside = parentLayout.appendside;
+			Layout.appendside = appendside;
+			if ( appendside === "left" ) {
+				Layout.align = "right";
+			} else {
+				Layout.align = "left";
+			}
 			drawNode( node );
-			node.setData( "align", "center" );
-			//调整影响到的节点位置
-			var set1 = updateLayoutVertical( node );
-			var set2 = updateLayoutHorizon( node, parent );
+			var set1 = updateLayoutVertical( node, parent, "append" );
+			var set2 = updateLayoutHorizon( node );
 			var set = uSet( set1, set2 );
-			console.log( set );
 			for ( var i = 0; i < set.length; i++ ) {
 				translateNode( set[ i ] );
 			}
 		},
+		updateLayout: function ( node ) {
+			var prt = node;
+			prt.preTraverse( function ( n ) {
+
+			} );
+		},
 		appendSiblingNode: function ( sibling, node ) {
+			var siblingLayout = sibling.getData( "layout" );
+			var Layout = node.getData( "layout" );
 			var parent = sibling.getParent();
 			var index = sibling.getIndex() + 1;
-			var appendside = sibling.getData( "appendside" );
-			node.setData( "appendside", appendside );
+			var appendside = siblingLayout.appendside;
+			Layout.appendside = appendside;
 			this.appendChildNode( parent, node, index );
 		},
 		removeNode: function ( nodes ) {
@@ -361,10 +466,28 @@ KityMinder.registerModule( "LayoutGreen", function () {
 			for ( var i = 0; i < nodes.length; i++ ) {
 				var parent = nodes[ i ].getParent();
 				if ( parent ) {
-					nodes[ i ].getRenderContainer().remove();
-					updateConnect( minder, nodes[ i ], "remove" );
+					var _buffer = [ nodes[ i ] ];
+					var parentLayout = parent.getData( "layout" );
+					while ( _buffer.length !== 0 ) {
+						_buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
+						_buffer[ 0 ].getRenderContainer().remove();
+						updateConnect( minder, _buffer[ 0 ], "remove" );
+						_buffer.shift();
+					}
+					if ( parent === root ) {
+						var Layout = nodes[ i ].getData( "layout" );
+						var appendside = Layout.appendside;
+						var sideList = parentLayout[ appendside + "List" ];
+						var idx = sideList.indexOf( nodes[ i ] );
+						sideList.splice( idx, 1 );
+					}
 					parent.removeChild( nodes[ i ] );
+					var set = updateLayoutVertical( nodes[ i ], parent, "remove" );
+					for ( var j = 0; j < set.length; j++ ) {
+						translateNode( set[ j ] );
+					}
 				}
+				minder.select( parent );
 			}
 		}
 	};

src/module/layout.js

 KityMinder.registerModule( "LayoutModule", function () {
+	kity.extendClass( MinderNode, {
+		setLayout: function ( k, v ) {
+			if ( this.setData( 'layout' ) === undefined ) {
+				this.setData( 'layout', {} );
+			}
+			var _pros = this.getLayout();
+			Utils.extend( _pros, {
+				k: v
+			} );
+			this.setData( 'layout', _pros );
+		},
+		getLayout: function ( k ) {
+			if ( k === undefined ) {
+				return this.getData( 'layout' );
+			}
+			return this.getData( 'layout' )[ k ];
+		},
+		clearLayout: function () {
+			this.setData( 'layout', {} );
+			this.getRenderContainer().clear();
+		},
+		updateLayout: function ( km ) {
+			km.updateLayout( this );
+		}
+	} );
 	var switchLayout = function ( km, style ) {
 		var _style = km.getLayoutStyle( style );
 		if ( !_style ) return false;
@@ -7,13 +32,11 @@ KityMinder.registerModule( "LayoutModule", function () {
 		km.appendChildNode = _style.appendChildNode;
 		km.appendSiblingNode = _style.appendSiblingNode;
 		km.removeNode = _style.removeNode;
+		km.updateLayout = _style.updateLayout;
 		//清空节点上附加的数据
 		var _root = km.getRoot();
-
 		_root.preTraverse( function ( node ) {
-			node.setData( "style", {} );
-			node.setData( "shape", null );
-			node.getRenderContainer().clear();
+			node.clearLayout();
 		} );
 		km.initStyle();
 		return style;