dev

bower.json

 {
-    "name": "kityminder-core",
-    "title": "Kity Minder Core",
-    "description": "Powerful online mind graphic visualization and editor (command based)",
-    "version": "1.3.6",
-    "main": "src/kityminder.js",
-    "keywords": ["kityminder", "kity", "svg"],
-    "homepage": "https://github.com/fex-team/kityminder-core",
-    "devDependencies": {
-        "seajs": "~2.3.0"
-    },
-    "licenses": [{
-        "type": "BSD",
-        "url": "https://github.com/fex-team/kityminder-core/blob/dev/LICENSE"
-    }],
-    "bugs": {
-        "url": "https://github.com/fex-team/kityminder-core/issues"
-    },
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/fex-team/kityminder-core.git"
-    },
-    "author": {
-        "name": "Baidu FEX",
-        "url": "http://fex.baidu.com"
+  "name": "kityminder-core",
+  "title": "Kity Minder Core",
+  "description": "Powerful online mind graphic visualization and editor (command based)",
+  "version": "1.3.6",
+  "main": "src/kityminder.js",
+  "keywords": [
+    "kityminder",
+    "kity",
+    "svg"
+  ],
+  "homepage": "https://github.com/fex-team/kityminder-core",
+  "devDependencies": {
+    "seajs": "~2.3.0"
+  },
+  "licenses": [
+    {
+      "type": "BSD",
+      "url": "https://github.com/fex-team/kityminder-core/blob/dev/LICENSE"
     }
-}
\ No newline at end of file
+  ],
+  "bugs": {
+    "url": "https://github.com/fex-team/kityminder-core/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/fex-team/kityminder-core.git"
+  },
+  "author": {
+    "name": "Baidu FEX",
+    "url": "http://fex.baidu.com"
+  },
+  "dependencies": {
+    "json-diff": "*"
+  }
+}

src/core/_boxv.js

+/**
+ * @fileOverview
+ *
+ * 调试工具：为 kity.Box 提供一个可视化的渲染
+ *
+ * @author: techird
+ * @copyright: Baidu FEX, 2014
+ */
+
+define(function(require, exports, module) {
+    var kity = require('./kity');
+    var Minder = require('./minder');
+
+    if (location.href.indexOf('boxv') != -1) {
+
+        var vrect;
+
+        Object.defineProperty(kity.Box.prototype, 'visualization', {
+            get: function() {
+                if (!vrect) return null;
+                return vrect.setBox(this);
+            }
+        });
+
+        Minder.registerInitHook(function() {
+            this.on('paperrender', function() {
+                vrect = new kity.Rect();
+                vrect.fill('rgba(200, 200, 200, .5)');
+                vrect.stroke('orange');
+                this.getRenderContainer().addShape(vrect);
+            });
+        });
+    }
+});
\ No newline at end of file

src/core/command.js

@@ -134,23 +134,18 @@ define(function(require, exports, module) {
                 return false;
             }
 
-            if (!this._hasEnterExecCommand && cmd.isNeedUndo()) {
+            if (!this._hasEnterExecCommand) {
                 this._hasEnterExecCommand = true;
 
                 stoped = this._fire(new MinderEvent('beforeExecCommand', eventParams, true));
 
                 if (!stoped) {
-                    //保存场景
-                    this._fire(new MinderEvent('saveScene'));
                     this._fire(new MinderEvent('preExecCommand', eventParams, false));
 
                     result = cmd.execute.apply(cmd, [me].concat(cmdArgs));
 
                     this._fire(new MinderEvent('execCommand', eventParams, false));
 
-                    //保存场景
-                    this._fire(new MinderEvent('saveScene'));
-
                     if (cmd.isContentChanged()) {
                         this._firePharse(new MinderEvent('contentchange'));
                     }

src/core/data.js

@@ -46,11 +46,9 @@ define(function(require, exports, module) {
                 var exported = {};
                 exported.data = node.getData();
                 var childNodes = node.getChildren();
-                if (childNodes.length) {
-                    exported.children = [];
-                    for (var i = 0; i < childNodes.length; i++) {
-                        exported.children.push(exportNode(childNodes[i]));
-                    }
+                exported.children = [];
+                for (var i = 0; i < childNodes.length; i++) {
+                    exported.children.push(exportNode(childNodes[i]));
                 }
                 return exported;
             }
@@ -63,7 +61,7 @@ define(function(require, exports, module) {
             json.theme = this.getTheme();
             json.version = Minder.version;
 
-            return json;
+            return JSON.parse(JSON.stringify(json));
         },
 
         /**

src/core/layout.js

@@ -34,7 +34,7 @@ define(function(require, exports, module) {
          *     children[i].setLayoutTransform(new kity.Matrix().translate(x, y));
          * }
          */
-        doLayout: function(node) {
+        doLayout: function(parent, children) {
             throw new Error('Not Implement: Layout.doLayout()');
         },
 
@@ -234,10 +234,6 @@ define(function(require, exports, module) {
             return this.parent.getLayoutInstance().getOrderHint(this);
         },
 
-        getExpandPosition: function() {
-            return this.getLayoutInstance().getExpandPosition();
-        },
-
         /**
          * 获取当前节点相对于父节点的布局变换
          */
@@ -255,7 +251,7 @@ define(function(require, exports, module) {
             var matrix = this.getLayoutTransform();
             var offset = this.getLayoutOffset();
             if (offset) {
-                matrix.translate(offset.x, offset.y);
+                matrix = matrix.clone().translate(offset.x, offset.y);
             }
             return pMatrix.merge(matrix);
         },
@@ -359,16 +355,10 @@ define(function(require, exports, module) {
         setLayoutOffset: function(p) {
             if (!this.parent) return this;
 
-            if (p && !this.hasLayoutOffset()) {
-                var m = this.getLayoutTransform().m;
-                p = p.offset(m.e, m.f);
-                this.setLayoutTransform(null);
-            }
-
             this.setData('layout_' + this.parent.getLayout() + '_offset', p ? {
                 x: p.x,
                 y: p.y
-            } : null);
+            } : undefined);
 
             return this;
         },
@@ -421,7 +411,7 @@ define(function(require, exports, module) {
                 var childrenInFlow = node.getChildren().filter(function(child) {
                     return !child.hasLayoutOffset();
                 });
-                layout.doLayout(node, childrenInFlow, round);
+                layout.doLayout(node, node.getChildren(), round);
             }
 
             // 第一轮布局
@@ -471,7 +461,7 @@ define(function(require, exports, module) {
             }
 
             function apply(node, pMatrix) {
-                var matrix = node.getLayoutTransform().merge(pMatrix);
+                var matrix = node.getLayoutTransform().merge(pMatrix.clone());
                 var lastMatrix = node.getGlobalLayoutTransform() || new kity.Matrix();
 
                 var offset = node.getLayoutOffset();
@@ -480,7 +470,6 @@ define(function(require, exports, module) {
                 matrix.m.e = Math.round(matrix.m.e);
                 matrix.m.f = Math.round(matrix.m.f);
 
-
                 // 如果当前有动画，停止动画
                 if (node._layoutTimeline) {
                     node._layoutTimeline.stop();
@@ -518,7 +507,6 @@ define(function(require, exports, module) {
                     apply(node.children[i], matrix);
                 }
             }
-
             apply(root, root.parent ? root.parent.getGlobalLayoutTransform() : new kity.Matrix());
             return this;
         },

src/core/node.js

@@ -72,6 +72,16 @@ define(function(require, exports, module) {
             return this.parent;
         },
 
+        getSiblings: function() {
+            var children = this.parent.children;
+            var siblings = [];
+            var self = this;
+            children.forEach(function(child) {
+                if (child != self) siblings.push(child);
+            });
+            return siblings;
+        },
+
         /**
          * 获得节点的深度
          */
@@ -122,7 +132,16 @@ define(function(require, exports, module) {
         },
 
         setData: function(key, value) {
-            this.data[key] = value;
+            if (typeof key == 'object') {
+                var data = key;
+                for (key in data) if (data.hasOwnProperty(key)) {
+                    this.data[key] = data[key];
+                }
+            }
+            else {
+                this.data[key] = value;
+            }
+            return this;
         },
 
         /**
@@ -305,6 +324,29 @@ define(function(require, exports, module) {
             root.minder = this;
         },
 
+        getAllNode: function() {
+            var nodes = [];
+            this.getRoot().traverse(function(node) {
+                nodes.push(node);
+            });
+            return nodes;
+        },
+
+        getNodeById: function(id) {
+            return this.getNodesById([id])[0];
+        },
+
+        getNodesById: function(ids) {
+            var nodes = this.getAllNode();
+            var result = [];
+            nodes.forEach(function(node) {
+                if (ids.indexOf(node.getData('id')) != -1) {
+                    result.push(node);
+                }
+            });
+            return result;
+        },
+
         createNode: function(textOrData, parent, index) {
             var node = new MinderNode(textOrData);
             this.fire('nodecreate', {

src/core/patch.js

+/**
+ * @fileOverview
+ *
+ * 打补丁
+ *
+ * @author: techird
+ * @copyright: Baidu FEX, 2014
+ */
+define(function(require, exports, module) {
+    var kity = require('./kity');
+    var Minder = require('./minder');
+
+    function insertNode(minder, info, parent, index) {
+        parent = minder.createNode(info.data, parent, index);
+        info.children.forEach(function(childInfo, index) {
+            insertNode(minder, childInfo, parent, index);
+        });
+        return parent;
+    }
+
+    function applyPatch(minder, patch) {
+        // patch.op - 操作，包括 remove, add, replace
+        // patch.path - 路径，如 '/root/children/1/data'
+        // patch.value - 数据，如 { text: "思路" }
+        var path = patch.path.split('/');
+        path.shift();
+
+        var changed = path.shift();
+
+        if (changed == 'root') {
+
+            var dataIndex = path.indexOf('data');
+            if (dataIndex > -1) {
+                changed = 'data';
+                var dataPath = path.splice(dataIndex + 1);
+                patch.field = dataPath.shift();
+            } else {
+                changed = 'node';
+            }
+
+            var node = minder.getRoot();
+            var segment, index;
+            while (segment = path.shift()) {
+                if (segment == 'children') continue;
+                if (typeof index != 'undefined') node = node.getChild(index);
+                index = +segment;
+            }
+            patch.index = index;
+            patch.node = node;
+        }
+
+        var express = [changed, patch.op].join('.');
+
+        switch (express) {
+            case 'theme.replace':
+                minder.useTheme(patch.value);
+                break;
+            case 'template.replace':
+                minder.useTemplate(patch.value);
+                break;
+            case 'node.add':
+                insertNode(minder, patch.value, patch.node, patch.index).renderTree();
+                minder.layout();
+                break;
+            case 'node.remove':
+                minder.removeNode(patch.node.getChild(patch.index));
+                minder.layout();
+                break;
+            case 'data.add':
+            case 'data.replace':
+            case 'data.remove':
+                patch.node.setData(patch.field, patch.value).renderTree();
+                minder.layout();
+        }
+    }
+
+    kity.extendClass(Minder, {
+        applyPatches: function(patches) {
+            for (var i = 0; i < patches.length; i++) {
+                applyPatch(this, patches[i]);
+            }
+
+            this.fire('contentchange');
+            return this;
+        }
+    });
+
+});
\ No newline at end of file

src/core/select.js

@@ -80,7 +80,6 @@ define(function(require, exports, module) {
             this.renderChangedSelection(lastSelect);
             return this;
         },
-
         //当前选区中的节点在给定的节点范围内的保留选中状态，
         //没在给定范围的取消选中，给定范围中的但没在当前选中范围的也做选中效果
         toggleSelect: function(node) {

src/core/theme.js

@@ -64,6 +64,7 @@ define(function(require, exports, module) {
         },
 
         setTheme: function(name) {
+            if (name && !_themes[name]) throw new Error('Theme ' + name + ' not exists!');
             var lastTheme = this._theme;
             this._theme = name || null;
             var container = this.getRenderTarget();

src/kityminder.js

@@ -39,6 +39,8 @@ define(function(require, exports, module) {
     kityminder.Theme = require('./core/theme');
     kityminder.Template = require('./core/template');
     kityminder.Promise = require('./core/promise');
+    require('./core/_boxv');
+    require('./core/patch');
 
     // 模块依赖
     require('./module/arrange');
@@ -47,7 +49,6 @@ define(function(require, exports, module) {
     require('./module/dragtree');
     require('./module/expand');
     require('./module/font');
-    require('./module/history');
     require('./module/hyperlink');
     require('./module/image');
     require('./module/keynav');
@@ -81,6 +82,7 @@ define(function(require, exports, module) {
     require('./theme/fresh');
     require('./theme/fish');
     require('./theme/snow');
+    require('./theme/wire');
 
     require('./connect/arc');
     require('./connect/bezier');

src/layout/btree.js

@@ -112,7 +112,7 @@ define(function(require, exports, module) {
                 this.stack(children, oppsite[axis]);
 
                 var bbox = this.getBranchBox(children);
-                var xAdjust, yAdjust;
+                var xAdjust = 0, yAdjust = 0;
 
                 if (axis == 'x') {
                     xAdjust = pbox[name];

src/module/clipboard.js

@@ -29,7 +29,7 @@ define(function(require, exports, module) {
         function sendToClipboard(nodes) {
             if (!nodes.length) return;
             nodes.sort(function(a, b) {
-                return b.getIndex() - a.getIndex();
+                return a.getIndex() - b.getIndex();
             });
             _clipboardNodes = nodes.map(function(node) {
                 return node.clone();

src/module/history.js

-define(function(require, exports, module) {
-    var kity = require('../core/kity');
-    var utils = require('../core/utils');
-
-    var Minder = require('../core/minder');
-    var MinderNode = require('../core/node');
-    var Command = require('../core/command');
-    var Module = require('../core/module');
-
-    function compareObject(source, target) {
-        var tmp;
-        if (isEmptyObject(source) !== isEmptyObject(target)) {
-            return false;
-        }
-        if (getObjectLength(source) != getObjectLength(target)) {
-            return false;
-        }
-        for (var p in source) {
-            if (source.hasOwnProperty(p)) {
-                tmp = source[p];
-                if (target[p] === undefined) {
-                    return false;
-                }
-                if (utils.isObject(tmp) || utils.isArray(tmp)) {
-                    if (utils.isObject(target[p]) !== utils.isObject(tmp)) {
-                        return false;
-                    }
-                    if (utils.isArray(tmp) !== utils.isArray(target[p])) {
-                        return false;
-                    }
-                    if (compareObject(tmp, target[p]) === false) {
-                        return false;
-                    }
-                } else {
-                    if (tmp != target[p]) {
-                        return false;
-                    }
-                }
-            }
-        }
-        return true;
-    }
-
-    function getObjectLength(obj) {
-        if (utils.isArray(obj) || utils.isString(obj)) return obj.length;
-        var count = 0;
-        for (var key in obj)
-            if (obj.hasOwnProperty(key)) count++;
-        return count;
-    }
-
-    function isEmptyObject(obj) {
-        if (obj === null || obj === undefined) return true;
-        if (utils.isArray(obj) || utils.isString(obj)) return obj.length === 0;
-        for (var key in obj)
-            if (obj.hasOwnProperty(key)) return false;
-        return true;
-    }
-
-    function getValueByIndex(data, index) {
-
-        var initIndex = 0,
-            result = 0;
-
-        data.forEach(function(arr, i) {
-            if (initIndex + arr.length >= index) {
-
-                if (index - initIndex == arr.length) {
-                    if (arr.length == 1 && arr[0].width === 0) {
-                        initIndex++;
-                        return;
-                    }
-                    result = {
-                        x: arr[arr.length - 1].x + arr[arr.length - 1].width,
-                        y: arr[arr.length - 1].y
-                    };
-                } else {
-                    result = arr[index - initIndex];
-                }
-
-                return false;
-            } else {
-                initIndex += arr.length + (arr.length == 1 && arr[0].width === 0 ? 0 : 1);
-            }
-        });
-        return result;
-    }
-
-    function getNodeIndex(node, ignoreTextNode) {
-        var preNode = node,
-            i = 0;
-        while (preNode = preNode.previousSibling) {
-            if (ignoreTextNode && preNode.nodeType == 3) {
-                if (preNode.nodeType != preNode.nextSibling.nodeType) {
-                    i++;
-                }
-                continue;
-            }
-            i++;
-        }
-        return i;
-    }
-
-    var km = this;
-
-    var Scene = kity.createClass('Scene', {
-        constructor: function(root, inputStatus) {
-            this.data = root.clone();
-            this.inputStatus = inputStatus;
-        },
-        getData: function() {
-            return this.data;
-        },
-        cloneData: function() {
-            return this.getData().clone();
-        },
-        equals: function(scene) {
-            return this.getData().compareTo(scene.getData());
-        },
-        isInputStatus: function() {
-            return this.inputStatus;
-        },
-        setInputStatus: function(status) {
-            this.inputStatus = status;
-        }
-    });
-    var HistoryManager = kity.createClass('HistoryManager', {
-        constructor: function(km) {
-            this.list = [];
-            this.index = 0;
-            this.hasUndo = false;
-            this.hasRedo = false;
-            this.km = km;
-        },
-        undo: function() {
-            if (this.hasUndo) {
-                var currentScene = this.list[this.index];
-                //如果是输入文字时的保存，直接回复当前场景
-                if (currentScene && currentScene.isInputStatus()) {
-                    this.saveScene();
-                    this.restore(--this.index);
-                    currentScene.setInputStatus(false);
-                    return;
-                }
-                if (this.list.length == 1) {
-                    this.restore(0);
-                    return;
-                }
-                if (!this.list[this.index - 1] && this.list.length == 1) {
-                    this.reset();
-                    return;
-                }
-                while (this.list[this.index].equals(this.list[this.index - 1])) {
-                    this.index--;
-                    if (this.index === 0) {
-                        return this.restore(0);
-                    }
-                }
-                this.restore(--this.index);
-            }
-        },
-        redo: function() {
-            if (this.hasRedo) {
-                while (this.list[this.index].equals(this.list[this.index + 1])) {
-                    this.index++;
-                    if (this.index == this.list.length - 1) {
-                        return this.restore(this.index);
-                    }
-                }
-                this.restore(++this.index);
-            }
-        },
-        partialRenewal: function(target) {
-            var selectedNodes = [];
-
-            function compareNode(source, target) {
-                if (source.getText() != target.getText()) {
-                    return false;
-                }
-                if (compareObject(source.getData(), target.getData()) === false) {
-                    return false;
-                }
-                return true;
-            }
-
-            function appendChildNode(parent, child) {
-                if (child.isSelected()) {
-                    selectedNodes.push(child);
-                }
-                km.appendNode(child, parent);
-                child.render();
-
-                var children = child.children.slice();
-                for (var i = 0, ci; ci = children[i++];) {
-                    appendChildNode(child, ci);
-                }
-            }
-
-            function traverseNode(srcNode, tagNode) {
-
-                if (compareNode(srcNode, tagNode) === false) {
-                    srcNode.setValue(tagNode);
-                }
-                //todo，这里有性能问题，变成全部render了
-                srcNode.render();
-                if (srcNode.isSelected()) {
-                    selectedNodes.push(srcNode);
-                }
-                for (var i = 0, j = 0, si, tj;
-                    (si = srcNode.children[i], tj = tagNode.children[j], si || tj); i++, j++) {
-                    if (si && !tj) {
-                        i--;
-                        km.removeNode(si);
-                    } else if (!si && tj) {
-                        j--;
-                        appendChildNode(srcNode, tj);
-                    } else {
-                        traverseNode(si, tj);
-                    }
-                }
-            }
-
-            var km = this.km;
-            traverseNode(km.getRoot(), target);
-            km.layout(200);
-
-            km.select(selectedNodes, true);
-
-            selectedNodes = [];
-
-        },
-        restore: function(index) {
-            index = index === undefined ? this.index : index;
-            var scene = this.list[index];
-            this.partialRenewal(scene.cloneData());
-            this.update();
-            this.km.fire('restoreScene');
-            this.km.fire('contentChange');
-        },
-        getScene: function(inputStatus) {
-            return new Scene(this.km.getRoot(), inputStatus);
-        },
-        saveScene: function(inputStatus) {
-            var currentScene = this.getScene(inputStatus);
-            var lastScene = this.list[this.index];
-            if (lastScene && lastScene.equals(currentScene)) {
-                if (inputStatus) {
-                    lastScene.setInputStatus(true);
-                    this.update();
-                }
-                return;
-            }
-            this.list = this.list.slice(0, this.index + 1);
-            this.list.push(currentScene);
-            //如果大于最大数量了，就把最前的剔除
-            if (this.list.length > this.km.getOption('maxUndoCount')) {
-                this.list.shift();
-            }
-            this.index = this.list.length - 1;
-            //跟新undo/redo状态
-            this.update();
-        },
-        update: function() {
-
-            this.hasRedo = !!this.list[this.index + 1];
-            this.hasUndo = !!this.list[this.index - 1];
-            var currentScene = this.list[this.index];
-            if (currentScene && currentScene.isInputStatus()) {
-                this.hasUndo = true;
-            }
-
-        },
-        reset: function() {
-            this.list = [];
-            this.index = 0;
-            this.hasUndo = false;
-            this.hasRedo = false;
-        }
-    });
-
-    Module.register('HistoryModule', function() {
-
-        //为km实例添加history管理
-        this.historyManager = new HistoryManager(this);
-
-        return {
-            defaultOptions: {
-                maxUndoCount: 20,
-                maxInputCount: 20
-            },
-            'commands': {
-
-                /**
-                 * @command Undo
-                 * @description 回退上一步操作
-                 * @state
-                 *   0: 当前有可回退的内容
-                 *  -1: 当前没有可回退的内容
-                 */
-                'undo': kity.createClass('UndoCommand', {
-                    base: Command,
-
-                    execute: function(km) {
-                        km.historyManager.undo();
-                    },
-
-                    queryState: function(km) {
-                        return km.historyManager.hasUndo ? 0 : -1;
-                    },
-
-                    isNeedUndo: function() {
-                        return false;
-                    }
-                }),
-                /**
-                 * @command Redo
-                 * @description 重做下一步已回退的操作
-                 * @state
-                 *   0: 当前有可重做的内容
-                 *  -1: 当前没有可重做的内容
-                 */
-                'redo': kity.createClass('RedoCommand', {
-                    base: Command,
-
-                    execute: function(km) {
-                        km.historyManager.redo();
-                    },
-
-                    queryState: function(km) {
-                        return km.historyManager.hasRedo ? 0 : -1;
-                    },
-                    isNeedUndo: function() {
-                        return false;
-                    }
-                })
-            },
-            commandShortcutKeys: {
-                'undo': 'ctrl+z', //undo
-                'redo': 'ctrl+y' //redo
-            },
-            'events': {
-                'saveScene': function(e) {
-                    this.historyManager.saveScene(e.inputStatus);
-                },
-                'import': function() {
-                    this.historyManager.reset();
-                }
-            }
-        };
-    });
-
-});
\ No newline at end of file

src/module/keynav.js

@@ -31,8 +31,7 @@ define(function(require, exports, module) {
                         bottom: p.y + p.height,
                         width: p.width,
                         height: p.height,
-                        node: node,
-                        text: node.getText()
+                        node: node
                     });
                 }
             });
@@ -57,10 +56,19 @@ define(function(require, exports, module) {
             else if (yDist < 0) dist = xDist;
             else dist = sqrt(xDist * xDist + yDist * yDist);
 
-            return {
-                cx: dist,
-                cy: dist
-            };
+            var node1 = box1.node;
+            var node2 = box2.node;
+
+            // sibling
+            if (node1.parent == node2.parent) {
+                dist /= 10;
+            }
+            // parent
+            if (node2.parent == node1) {
+                dist /= 5;
+            }
+
+            return dist;
         }
 
         function findClosestPointsFor(pointIndexes, iFind) {
@@ -78,9 +86,9 @@ define(function(require, exports, module) {
 
                 // left check
                 if (current.right < find.left) {
-                    if (!most.left || dist.cx < most.left.dist) {
+                    if (!most.left || dist < most.left.dist) {
                         most.left = {
-                            dist: dist.cx,
+                            dist: dist,
                             node: current.node
                         };
                     }
@@ -88,9 +96,9 @@ define(function(require, exports, module) {
 
                 // right check
                 if (current.left > find.right) {
-                    if (!most.right || dist.cx < most.right.dist) {
+                    if (!most.right || dist < most.right.dist) {
                         most.right = {
-                            dist: dist.cx,
+                            dist: dist,
                             node: current.node
                         };
                     }
@@ -98,9 +106,9 @@ define(function(require, exports, module) {
 
                 // top check
                 if (current.bottom < find.top) {
-                    if (!most.top || dist.cy < most.top.dist) {
+                    if (!most.top || dist < most.top.dist) {
                         most.top = {
-                            dist: dist.cy,
+                            dist: dist,
                             node: current.node
                         };
                     }
@@ -108,9 +116,9 @@ define(function(require, exports, module) {
 
                 // bottom check
                 if (current.top > find.bottom) {
-                    if (!most.down || dist.cy < most.down.dist) {
+                    if (!most.down || dist < most.down.dist) {
                         most.down = {
-                            dist: dist.cy,
+                            dist: dist,
                             node: current.node
                         };
                     }

src/module/node.js

@@ -23,10 +23,15 @@ define(function(require, exports, module) {
             if (!parent) {
                 return null;
             }
-            parent.expand();
             var node = km.createNode(text, parent);
             km.select(node, true);
-            node.render();
+            if (parent.isExpanded()) {
+                node.render();
+            }
+            else {
+                parent.expand();
+                parent.renderTree();
+            }
             km.layout(600);
         },
         queryState: function(km) {
@@ -115,7 +120,7 @@ define(function(require, exports, module) {
         },
         queryState: function(km) {
             var nodes = km.getSelectedNodes();
-            if (!nodes.length) return;
+            if (!nodes.length) return -1;
             var parent = nodes[0].parent;
             if (!parent) return -1;
             for (var i = 1; i < nodes.length; i++) {

src/module/select.js

@@ -132,7 +132,7 @@ define(function(require, exports, module) {
 
                     // 点中了节点，并且按了 shift 键：
                     //     被点中的节点切换选中状态
-                    else if (e.originEvent.shiftKey) {
+                    else if (e.isShortcutKey('Ctrl')) {
                         this.toggleSelect(downNode);
                     }