'新增键盘导航，即通过方向键来切换激活的节点'

README.md

@@ -423,6 +423,14 @@ v0.1.5+
 
 将节点移动到另一个节点的后面
 
+#### moveNodeToCenter(node)
+
+v0.2.17+
+
+移动节点到画布中心。
+
+目前如果是存在缩放的情况下回到中心会重置缩放。
+
 ## keyCommand实例
 
 `keyCommand`实例负责快捷键的添加及触发，内置了一些快捷键，也可以自行添加。可通过`mindMap.keyCommand`获取到该实例。
@@ -550,6 +558,12 @@ v0.1.1+
 
 动态设置变换数据，可以通过getTransformData方法获取变换数据
 
+#### setScale(scale)
+
+v0.2.17+
+
+设置缩放
+
 ## MiniMap实例
 
 v0.2.11+

simple-mind-map/index.js

@@ -15,6 +15,7 @@ import { layoutValueList } from './src/utils/constant'
 import { SVG } from '@svgdotjs/svg.js'
 import xmind from './src/parse/xmind'
 import { simpleDeepClone } from './src/utils'
+import KeyboardNavigation from './src/KeyboardNavigation'
 
 // 默认选项配置
 const defaultOpt = {
@@ -133,6 +134,11 @@ class MindMap {
       mindMap: this
     })
 
+    // 键盘导航类
+    this.keyboardNavigation = new KeyboardNavigation({
+      mindMap: this
+    })
+
     // 批量执行类
     this.batchExecution = new BatchExecution()
 

simple-mind-map/package.json

@@ -1,6 +1,6 @@
 {
   "name": "simple-mind-map",
-  "version": "0.2.16",
+  "version": "0.2.17",
   "description": "一个简单的web在线思维导图",
   "authors": [
     {

simple-mind-map/src/Event.js

@@ -48,6 +48,7 @@ class Event extends EventEmitter {
     this.onMousewheel = this.onMousewheel.bind(this)
     this.onContextmenu = this.onContextmenu.bind(this)
     this.onSvgMousedown = this.onSvgMousedown.bind(this)
+    this.onKeyup = this.onKeyup.bind(this)
   }
 
   /**
@@ -69,6 +70,7 @@ class Event extends EventEmitter {
       this.mindMap.el.addEventListener('mousewheel', this.onMousewheel)
     }
     this.mindMap.svg.on('contextmenu', this.onContextmenu)
+    window.addEventListener('keyup', this.onKeyup)
   }
 
   /**
@@ -84,6 +86,7 @@ class Event extends EventEmitter {
     window.removeEventListener('mouseup', this.onMouseup)
     this.mindMap.el.removeEventListener('mousewheel', this.onMousewheel)
     this.mindMap.svg.off('contextmenu', this.onContextmenu)
+    window.removeEventListener('keyup', this.onKeyup)
   }
 
   /**
@@ -177,6 +180,16 @@ class Event extends EventEmitter {
     e.preventDefault()
     this.emit('contextmenu', e)
   }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 11:12:11
+   * @Desc: 按键松开事件
+   */
+  onKeyup(e) {
+    this.emit('keyup', e)
+  }
 }
 
 export default Event

simple-mind-map/src/KeyboardNavigation.js

@@ -0,0 +1,133 @@
+import { isKey } from './utils/keyMap'
+import { bfsWalk } from './utils'
+
+/**
+ * javascript comment
+ * @Author: 王林25
+ * @Date: 2022-12-09 11:06:50
+ * @Desc: 键盘导航类
+ */
+export default class KeyboardNavigation {
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 11:07:24
+   * @Desc: 构造函数
+   */
+  constructor(opt) {
+    this.opt = opt
+    this.mindMap = opt.mindMap
+    this.onKeyup = this.onKeyup.bind(this)
+    this.mindMap.on('keyup', this.onKeyup)
+  }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 14:12:27
+   * @Desc: 处理按键事件
+   */
+  onKeyup(e) {
+    if (this.mindMap.renderer.activeNodeList.length > 0) {
+      ;['Left', 'Up', 'Right', 'Down'].forEach(dir => {
+        if (isKey(e, dir)) {
+          this.focus(dir)
+        }
+      })
+    } else {
+      let root = this.mindMap.renderer.root
+      this.mindMap.renderer.moveNodeToCenter(root)
+      root.active()
+    }
+  }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 14:12:39
+   * @Desc: 聚焦到下一个节点
+   */
+  focus(dir) {
+    let currentActiveNode = this.mindMap.renderer.activeNodeList[0]
+    let currentActiveNodeRect = this.getNodeRect(currentActiveNode)
+    let targetNode = null
+    let targetDis = Infinity
+    let checkNodeDis = (rect, node) => {
+      let dis = this.getDistance(currentActiveNodeRect, rect)
+      if (dis < targetDis) {
+        targetNode = node
+        targetDis = dis
+      }
+    }
+    bfsWalk(this.mindMap.renderer.root, node => {
+      let rect = this.getNodeRect(node)
+      let { left, top, right, bottom } = rect
+      if (dir === 'Right') {
+        if (left >= currentActiveNodeRect.right) {
+          checkNodeDis(rect, node)
+        }
+      } else if (dir === 'Left') {
+        if (right <= currentActiveNodeRect.left) {
+          checkNodeDis(rect, node)
+        }
+      } else if (dir === 'Up') {
+        if (bottom <= currentActiveNodeRect.top) {
+          checkNodeDis(rect, node)
+        }
+      } else if (dir === 'Down') {
+        if (top >= currentActiveNodeRect.bottom) {
+          checkNodeDis(rect, node)
+        }
+      }
+    })
+    if (targetNode) {
+      this.mindMap.renderer.moveNodeToCenter(targetNode)
+      targetNode.active()
+    }
+  }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 14:12:50
+   * @Desc: 获取节点的位置信息
+   */
+  getNodeRect(node) {
+    let { scaleX, scaleY, translateX, translateY } =
+      this.mindMap.draw.transform()
+    let { left, top, width, height } = node
+    return {
+      right: (left + width) * scaleX + translateX,
+      bottom: (top + height) * scaleY + translateY,
+      left: left * scaleX + translateX,
+      top: top * scaleY + translateY
+    }
+  }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 14:13:04
+   * @Desc: 获取两个节点的距离
+   */
+  getDistance(node1Rect, node2Rect) {
+    let center1 = this.getCenter(node1Rect)
+    let center2 = this.getCenter(node2Rect)
+    return Math.sqrt(
+      Math.pow(center1.x - center2.x, 2) + Math.pow(center1.y - center2.y, 2)
+    )
+  }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 14:13:11
+   * @Desc: 获取节点的中心点
+   */
+  getCenter({ left, right, top, bottom }) {
+    return {
+      x: (left + right) / 2,
+      y: (top + bottom) / 2
+    }
+  }
+}

simple-mind-map/src/Render.js

@@ -1097,6 +1097,28 @@ class Render {
       this.mindMap.render()
     }
   }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 11:46:57
+   * @Desc: 移动节点到画布中心
+   */
+  moveNodeToCenter(node) {
+    let halfWidth = this.mindMap.width / 2
+    let halfHeight = this.mindMap.height / 2
+    let { left, top, width, height } = node
+    let nodeCenterX = left + width / 2
+    let nodeCenterY = top + height / 2
+    let { state } = this.mindMap.view.getTransformData()
+    let targetX = halfWidth - state.x
+    let targetY = halfHeight - state.y
+    let offsetX = targetX - nodeCenterX
+    let offsetY = targetY - nodeCenterY
+    this.mindMap.view.translateX(offsetX)
+    this.mindMap.view.translateY(offsetY)
+    this.mindMap.view.setScale(1)
+  }
 }
 
 export default Render

simple-mind-map/src/TextEdit.js

@@ -88,6 +88,9 @@ export default class TextEdit {
       this.textEditNode = document.createElement('div')
       this.textEditNode.style.cssText = `position:fixed;box-sizing: border-box;background-color:#fff;box-shadow: 0 0 20px rgba(0,0,0,.5);padding: 3px 5px;margin-left: -5px;margin-top: -3px;outline: none;`
       this.textEditNode.setAttribute('contenteditable', true)
+      this.textEditNode.addEventListener('keyup', e => {
+        e.stopPropagation()
+      })
       document.body.appendChild(this.textEditNode)
     }
     node.style.domText(this.textEditNode, this.mindMap.view.scale)

simple-mind-map/src/View.js

@@ -213,6 +213,18 @@ class View {
     this.transform()
     this.mindMap.emit('scale', this.scale)
   }
+
+  /**
+   * javascript comment
+   * @Author: 王林25
+   * @Date: 2022-12-09 16:31:59
+   * @Desc: 设置缩放
+   */
+  setScale(scale) {
+    this.scale = scale
+    this.transform()
+    this.mindMap.emit('scale', this.scale)
+  }
 }
 
 export default View

web/src/pages/Edit/components/NodeHyperlink.vue

@@ -11,11 +11,12 @@
         v-model="link"
         size="mini"
         placeholder="http://xxxx.com/"
+        @keyup.native.stop
       ></el-input>
     </div>
     <div class="item">
       <span class="name">{{ $t('nodeHyperlink.name') }}</span>
-      <el-input v-model="linkTitle" size="mini"></el-input>
+      <el-input v-model="linkTitle" size="mini" @keyup.native.stop></el-input>
     </div>
     <span slot="footer" class="dialog-footer">
       <el-button @click="cancel">{{ $t('dialog.cancel') }}</el-button>

web/src/pages/Edit/components/NodeNote.vue

@@ -12,7 +12,7 @@
       v-model="note"
     >
     </el-input> -->
-    <div class="noteEditor" ref="noteEditor"></div>
+    <div class="noteEditor" ref="noteEditor" @keyup.stop></div>
     <!-- <div class="tip">换行请使用：Enter+Shift</div> -->
     <span slot="footer" class="dialog-footer">
       <el-button @click="cancel">{{ $t('dialog.cancel') }}</el-button>

web/src/pages/Edit/components/NodeTag.vue

@@ -8,6 +8,7 @@
     <el-input
       v-model="tag"
       @keyup.native.enter="add"
+      @keyup.native.stop
       :disabled="tagArr.length >= max"
       :placeholder="$t('nodeTag.addTip')"
     >

web/src/pages/Edit/components/Outline.vue

@@ -8,7 +8,15 @@
       default-expand-all
     >
       <span class="customNode" slot-scope="{ node, data }">
-        <span class="nodeEdit" :key="getKey()" contenteditable="true" @keydown.stop @keyup.stop @blur="onBlur($event, node)" v-html="node.label"></span>
+        <span
+          class="nodeEdit"
+          :key="getKey()"
+          contenteditable="true"
+          @keydown.stop
+          @keyup.stop
+          @blur="onBlur($event, node)"
+          v-html="node.label"
+        ></span>
       </span>
     </el-tree>
   </Sidebar>