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ExcalidrawScriptsEngine.md to Chinese at 768aebf
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# [◀ Excalidraw Automate How To](./readme.md)
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【English | [简体中文](zh-cn/docs/ExcalidrawScriptsEngine.md)】
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[](https://youtu.be/hePJcObHIso)
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## Introduction
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docs/zh-cn/docs/ExcalidrawScriptsEngine.md
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410
docs/zh-cn/docs/ExcalidrawScriptsEngine.md
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# [◀ Excalidraw 自动化使用指南](./readme.md)
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> 此说明当前更新至 `768aebf`。
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【[English](../../ExcalidrawScriptsEngine.md) | 简体中文】
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[](https://youtu.be/hePJcObHIso)
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## 简介
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请将你的 ExcalidrawAutomate 脚本放入 Excalidraw 设置中定义的文件夹中。脚本文件夹不能是你的 Vault 根目录。
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EA 脚本可以是 markdown 文件、纯文本文件或 .js 文件。唯一的要求是它们必须包含有效的 JavaScript 代码。
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你可以通过 Obsidian 命令面板从 Excalidraw 访问你的脚本。
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这样你就可以像设置其他 Obsidian 命令一样,为你喜欢的脚本分配快捷键。
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## 脚本开发
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Excalidraw 脚本会自动接收两个对象:
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- `ea`:脚本引擎会初始化 `ea` 对象,包括设置调用脚本时的活动视图为当前视图。
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- `utils`:我从 [QuickAdd](https://github.com/chhoumann/quickadd/blob/master/docs/QuickAddAPI.md) 借用了一些实用函数,但目前并非所有 QuickAdd 实用函数都在 Excalidraw 中实现。目前可用的函数如下。详见下方示例。
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- `inputPrompt: (header: string, placeholder?: string, value?: string, buttons?: [{caption:string, action:Function}])`
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- 打开一个提示框请求输入。返回输入的字符串。
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- 你需要使用 await 等待 inputPrompt 的结果。
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- `buttons.action(input: string) => string`。按钮动作将接收当前输入字符串。如果动作返回 null,输入将保持不变。如果动作返回字符串,inputPrompt 将解析为该值。
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```typescript
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let fileType = "";
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const filename = await utils.inputPrompt (
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"Filename for new document",
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"Placeholder",
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"DefaultFilename.md",
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[
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{
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caption: "Markdown",
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action: ()=>{fileType="md";return;}
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},
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{
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caption: "Excalidraw",
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action: ()=>{fileType="ex";return;}
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}
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]
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);
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```
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- `suggester: (displayItems: string[], items: any[], hint?: string, instructions?:Instruction[])`
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- 打开一个建议器。显示 displayItems 并返回 items[] 中对应的项。
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- 你需要使用 await 等待 suggester 的结果。
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- 如果用户取消(按ESC键),suggester 将返回 `undefined`
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- Hint(提示)和 instructions(说明)参数是可选的。
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```typescript
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interface Instruction {
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command: string;
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purpose: string;
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}
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```
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- 脚本可以有设置。这些设置作为插件设置的一部分存储,用户也可以通过 Obsidian 插件设置窗口更改。
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- 你可以使用 `ea.getScriptSettings()` 访问当前脚本的设置,并使用 `ea.setScriptSettings(settings:any)` 存储设置值
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- 在插件设置中显示脚本设置的规则如下:
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- 如果设置是简单的字面量(布尔值、数字、字符串),这些将按原样显示在设置中。设置的名称将作为值的键。
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```javascript
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ea.setScriptSettings({
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"value 1": true,
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"value 2": 1,
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"value 3": "my string"
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})
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```
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- 如果设置是一个对象并遵循以下结构,则可以添加描述和值集。也可以使用 `hidden` 键从用户界面中隐藏值。
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```javascript
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ea.setScriptSettings({
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"value 1": {
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"value": true,
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"description": "This is the description for my boolean value"
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},
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"value 2": {
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"value": 1,
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"description": "This is the description for my numeric value"
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},
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"value 3": {
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"value": "my string",
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"description": "This is the description for my string value",
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"valueset": ["allowed 1","allowed 2","allowed 3"]
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},
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"value 4": {
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"value": "my value",
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"hidden": true
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}
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});
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```
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---------
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## Excalidraw 自动化脚本示例
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这些脚本可以在 GitHub [这个](https://github.com/zsviczian/obsidian-excalidraw-plugin/tree/master/ea-scripts)文件夹 📂 中下载为 `.md` 文件。
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### 为选中元素添加边框
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此脚本将在 Excalidraw 中当前选中的元素周围添加一个包围框
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```javascript
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if(!ea.verifyMinimumPluginVersion || !ea.verifyMinimumPluginVersion("1.5.21")) {
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new Notice("This script requires a newer version of Excalidraw. Please install the latest version.");
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return;
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}
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settings = ea.getScriptSettings();
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//check if settings exist. If not, set default values on first run
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if(!settings["Default padding"]) {
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settings = {
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"Prompt for padding?": true,
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"Default padding" : {
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value: 10,
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description: "Padding between the bounding box of the selected elements, and the box the script creates"
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}
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};
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ea.setScriptSettings(settings);
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}
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let padding = settings["Default padding"].value;
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if(settings["Prompt for padding?"]) {
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padding = parseInt (await utils.inputPrompt("padding?","number",padding.toString()));
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}
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if(isNaN(padding)) {
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new Notice("The padding value provided is not a number");
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return;
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}
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elements = ea.getViewSelectedElements();
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const box = ea.getBoundingBox(elements);
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color = ea
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.getExcalidrawAPI()
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.getAppState()
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.currentItemStrokeColor;
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//uncomment for random color:
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//color = '#'+(Math.random()*0xFFFFFF<<0).toString(16).padStart(6,"0");
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ea.style.strokeColor = color;
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id = ea.addRect(
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box.topX - padding,
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box.topY - padding,
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box.width + 2*padding,
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box.height + 2*padding
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);
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ea.copyViewElementsToEAforEditing(elements);
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ea.addToGroup([id].concat(elements.map((el)=>el.id)));
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ea.addElementsToView(false);
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```
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----
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### 用箭头连接选中的元素
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此脚本将用箭头连接两个对象。如果任一对象是一组分组元素(例如,一个文本元素与一个包围它的矩形分组),脚本会识别这些组,并将箭头连接到组中最大的对象(假设你想将箭头连接到文本元素周围的框)。
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```javascript
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if(!ea.verifyMinimumPluginVersion || !ea.verifyMinimumPluginVersion("1.5.21")) {
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new Notice("This script requires a newer version of Excalidraw. Please install the latest version.");
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return;
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}
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settings = ea.getScriptSettings();
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//set default values on first run
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if(!settings["Starting arrowhead"]) {
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settings = {
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"Starting arrowhead" : {
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value: "none",
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valueset: ["none","arrow","triangle","bar","dot"]
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},
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"Ending arrowhead" : {
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value: "triangle",
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valueset: ["none","arrow","triangle","bar","dot"]
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},
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"Line points" : {
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value: 1,
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description: "Number of line points between start and end"
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}
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};
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ea.setScriptSettings(settings);
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}
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const arrowStart = settings["Starting arrowhead"].value === "none" ? null : settings["Starting arrowhead"].value;
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const arrowEnd = settings["Ending arrowhead"].value === "none" ? null : settings["Ending arrowhead"].value;
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const linePoints = Math.floor(settings["Line points"].value);
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const elements = ea.getViewSelectedElements();
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ea.copyViewElementsToEAforEditing(elements);
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groups = ea.getMaximumGroups(elements);
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if(groups.length !== 2) {
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//unfortunately getMaxGroups returns duplicated resultset for sticky notes
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//needs additional filtering
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cleanGroups=[];
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idList = [];
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for (group of groups) {
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keep = true;
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for(item of group) if(idList.contains(item.id)) keep = false;
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if(keep) {
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cleanGroups.push(group);
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idList = idList.concat(group.map(el=>el.id))
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}
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}
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if(cleanGroups.length !== 2) return;
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groups = cleanGroups;
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}
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els = [
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ea.getLargestElement(groups[0]),
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ea.getLargestElement(groups[1])
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];
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ea.style.strokeColor = els[0].strokeColor;
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ea.style.strokeWidth = els[0].strokeWidth;
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ea.style.strokeStyle = els[0].strokeStyle;
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ea.style.strokeSharpness = els[0].strokeSharpness;
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ea.connectObjects(
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els[0].id,
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null,
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els[1].id,
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null,
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{
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endArrowHead: arrowEnd,
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startArrowHead: arrowStart,
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numberOfPoints: linePoints
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}
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);
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ea.addElementsToView();
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```
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----
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### 反转选中的箭头
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反转选中元素范围内**箭头**的方向。
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```javascript
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elements = ea.getViewSelectedElements().filter((el)=>el.type==="arrow");
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if(!elements || elements.length===0) return;
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elements.forEach((el)=>{
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const start = el.startArrowhead;
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el.startArrowhead = el.endArrowhead;
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el.endArrowhead = start;
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});
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ea.copyViewElementsToEAforEditing(elements);
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ea.addElementsToView();
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```
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----
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### 设置选中元素的线条宽度
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当你缩放自由绘制的草图并想要减小或增加它们的线条宽度时,这个脚本会很有帮助。
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```javascript
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let width = (ea.getViewSelectedElement().strokeWidth??1).toString();
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width = await utils.inputPrompt("Width?","number",width);
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const elements=ea.getViewSelectedElements();
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ea.copyViewElementsToEAforEditing(elements);
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ea.getElements().forEach((el)=>el.strokeWidth=width);
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ea.addElementsToView();
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```
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----
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### 设置网格大小
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Excalidraw 中默认的网格大小是 20。目前通过用户界面无法更改网格大小。
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```javascript
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const grid = parseInt(await utils.inputPrompt("Grid size?",null,"20"));
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const api = ea.getExcalidrawAPI();
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let appState = api.getAppState();
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appState.gridSize = grid;
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api.updateScene({
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appState,
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commitToHistory:false
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});
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```
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----
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### 设置元素尺寸和位置
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目前在 Excalidraw 中还没有办法指定对象的精确位置和大小。你可以使用以下简单脚本来解决这个问题。
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```javascript
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const elements = ea.getViewSelectedElements();
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if(elements.length === 0) return;
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const el = ea.getLargestElement(elements);
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const sizeIn = [el.x,el.y,el.width,el.height].join(",");
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let res = await utils.inputPrompt("x,y,width,height?",null,sizeIn);
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res = res.split(",");
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if(res.length !== 4) return;
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let size = [];
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for (v of res) {
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const i = parseInt(v);
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if(isNaN(i)) return;
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size.push(i);
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}
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el.x = size[0];
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el.y = size[1];
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el.width = size[2];
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el.height = size[3];
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ea.copyViewElementsToEAforEditing([el]);
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ea.addElementsToView();
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```
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----
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### 项目符号
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此脚本会在选中的每个文本元素的左上角添加一个小圆圈,并将文本和"项目符号"组合成一个组。
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```javascript
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elements = ea.getViewSelectedElements().filter((el)=>el.type==="text");
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ea.copyViewElementsToEAforEditing(elements);
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const padding = 10;
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elements.forEach((el)=>{
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ea.style.strokeColor = el.strokeColor;
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const size = el.fontSize/2;
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const ellipseId = ea.addEllipse(
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el.x-padding-size,
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el.y+size/2,
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size,
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size
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);
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ea.addToGroup([el.id,ellipseId]);
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});
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ea.addElementsToView();
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```
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----
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### 按行分割文本
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**!!!需要 Excalidraw 1.5.1 或更高版本**
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将文本块按行分割成单独的文本元素,以便更容易重新组织
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```javascript
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elements = ea.getViewSelectedElements().filter((el)=>el.type==="text");
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elements.forEach((el)=>{
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ea.style.strokeColor = el.strokeColor;
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ea.style.fontFamily = el.fontFamily;
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ea.style.fontSize = el.fontSize;
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const text = el.text.split("\n");
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for(i=0;i<text.length;i++) {
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ea.addText(el.x,el.y+i*el.height/text.length,text[i]);
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}
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});
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ea.addElementsToView();
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ea.deleteViewElements(elements);
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```
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----
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### 设置文本对齐方式
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设置文本块的对齐方式(居中、右对齐、左对齐)。如果你想为选择文本对齐方式设置键盘快捷键,这个脚本会很有用。
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```javascript
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elements = ea.getViewSelectedElements().filter((el)=>el.type==="text");
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if(elements.length===0) return;
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let align = ["left","right","center"];
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align = await utils.suggester(align,align);
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elements.forEach((el)=>el.textAlign = align);
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ea.copyViewElementsToEAforEditing(elements);
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ea.addElementsToView();
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```
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----
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### 设置字体
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设置文本块的字体(Virgil、Helvetica、Cascadia)。如果你想为选择字体设置键盘快捷键,这个功能会很有用。
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```javascript
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elements = ea.getViewSelectedElements().filter((el)=>el.type==="text");
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if(elements.length===0) return;
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let font = ["Virgil","Helvetica","Cascadia"];
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font = parseInt(await utils.suggester(font,["1","2","3"]));
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if (isNaN(font)) return;
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elements.forEach((el)=>el.fontFamily = font);
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ea.copyViewElementsToEAforEditing(elements);
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ea.addElementsToView();
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```
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Reference in New Issue
Block a user