feat: add shortcuts

Author: SSShooter

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mind-elixir",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "type": "module",
   "description": "Mind elixir is a free open source mind map core.",
   "keywords": [

readme.md

@@ -52,6 +52,7 @@ Mind elixir is a free open source mind map core.
   - [Operation Guards](#operation-guards)
 - [Methods](#methods)
 - [Theme](#theme)
+- [Shortcuts](#shortcuts)
 - [Not only core](#not-only-core)
 - [Development](#development)
 - [Thanks](#thanks)
@@ -295,6 +296,28 @@ mind.changeTheme({
 
 Be aware that Mind Elixir will not observe the change of `prefers-color-scheme`. Please change the theme **manually** when the scheme changes.
 
+## Shortcuts
+
+| Shortcut           | Function                         |
+| ------------------ | -------------------------------- |
+| Enter              | Insert Sibling Node              |
+| Tab                | Insert Child Node                |
+| F1                 | Center the Map                   |
+| F2                 | Begin Editing the Current Node   |
+| Up Arrow           | Select the Previous Sibling Node |
+| Down Arrow         | Select the Next Sibling Node     |
+| Left/Right Arrow   | Select Parent or First Child     |
+| PageUp             | Move Up Node                     |
+| PageDown           | Move Down Node                   |
+| Ctrl + Up Arrow    | Change Layout Pattern to Side    |
+| Ctrl + Left Arrow  | Change Layout Pattern to Left    |
+| Ctrl + Right Arrow | Change Layout Pattern to Right   |
+| Ctrl + C           | Copy the Current Node            |
+| Ctrl + V           | Paste the Copied Node            |
+| Ctrl + "+"         | Zoom In Mind Map                 |
+| Ctrl + "-"         | Zoom Out Mind Map                |
+| Ctrl + 0           | Reset Zoom Level                 |
+
 ## Not only core
 
 - [@mind-elixir/node-menu](https://github.com/ssshooter/node-menu)

src/index.ts

@@ -130,7 +130,7 @@ MindElixir.DARK_THEME = DARK_THEME
  * @memberof MindElixir
  * @static
  */
-MindElixir.version = '3.1.3'
+MindElixir.version = '3.1.4'
 /**
  * @function
  * @memberof MindElixir

src/plugin/keypress.ts

@@ -23,20 +23,30 @@ export default function (mind: MindElixirInstance) {
       // tab
       mind.addChild()
     },
+    112: () => {
+      // f1
+      mind.toCenter()
+    },
     113: () => {
       // f2
       mind.beginEdit()
     },
-    38: () => {
+    38: e => {
       // up
+      if (e.metaKey || e.ctrlKey) {
+        return mind.initSide()
+      }
       mind.selectPrevSibling()
     },
     40: () => {
       // down
       mind.selectNextSibling()
     },
-    37: () => {
+    37: e => {
       // left
+      if (e.metaKey || e.ctrlKey) {
+        return mind.initLeft()
+      }
       if (!mind.currentNode) return
       const nodeObj = mind.currentNode.nodeObj
       const main = mind.currentNode.offsetParent.offsetParent.parentElement
@@ -52,8 +62,11 @@ export default function (mind: MindElixirInstance) {
         mind.selectFirstChild()
       }
     },
-    39: () => {
+    39: e => {
       // right
+      if (e.metaKey || e.ctrlKey) {
+        return mind.initRight()
+      }
       if (!mind.currentNode) return
       const nodeObj = mind.currentNode.nodeObj
       const main = mind.currentNode.offsetParent.offsetParent.parentElement
@@ -105,6 +118,12 @@ export default function (mind: MindElixirInstance) {
         mind.scale((mind.scaleVal -= 0.2))
       }
     },
+    // ctrl 0
+    48: (e: KeyboardEvent) => {
+      if (e.metaKey || e.ctrlKey) {
+        mind.scale(1)
+      }
+    },
   }
   mind.map.onkeydown = e => {
     // console.log(e)