context-menu

Development

Guide for creating and displaying context menus in Wave Terminal. Use when implementing right-click menus, adding context menu items, creating submenus, or handling menu interactions with checkboxes and separators.

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Context Menu Quick Reference

This guide provides a quick overview of how to create and display a context menu using our system.

ContextMenuItem Type

Define each menu item using the ContextMenuItem type:

type ContextMenuItem = {
  label?: string;
  type?: "separator" | "normal" | "submenu" | "checkbox" | "radio";
  role?: string; // Electron role (optional)
  click?: () => void; // Callback for item selection (not needed if role is set)
  submenu?: ContextMenuItem[]; // For nested menus
  checked?: boolean; // For checkbox or radio items
  visible?: boolean;
  enabled?: boolean;
  sublabel?: string;
};

Import and Show the Menu

Import the context menu module:

import { ContextMenuModel } from "@/app/store/contextmenu";

To display the context menu, call:

ContextMenuModel.getInstance().showContextMenu(menu, event);

menu: An array of ContextMenuItem.
event: The mouse event that triggered the context menu (typically from an onContextMenu handler).

Basic Example

A simple context menu with a separator:

const menu: ContextMenuItem[] = [
  {
    label: "New File",
    click: () => {
      /* create a new file */
    },
  },
  {
    label: "New Folder",
    click: () => {
      /* create a new folder */
    },
  },
  { type: "separator" },
  {
    label: "Rename",
    click: () => {
      /* rename item */
    },
  },
];

ContextMenuModel.getInstance().showContextMenu(menu, e);

Example with Submenu and Checkboxes

Toggle settings using a submenu with checkbox items:

const isClearOnStart = true; // Example setting

const menu: ContextMenuItem[] = [
  {
    label: "Clear Output On Restart",
    submenu: [
      {
        label: "On",
        type: "checkbox",
        checked: isClearOnStart,
        click: () => {
          // Set the config to enable clear on restart
        },
      },
      {
        label: "Off",
        type: "checkbox",
        checked: !isClearOnStart,
        click: () => {
          // Set the config to disable clear on restart
        },
      },
    ],
  },
];

ContextMenuModel.getInstance().showContextMenu(menu, e);

Editing a Config File Example

Open a configuration file (e.g., widgets.json) in preview mode:

{
    label: "Edit widgets.json",
    click: () => {
        fireAndForget(async () => {
            const path = `${getApi().getConfigDir()}/widgets.json`;
            const blockDef: BlockDef = {
                meta: { view: "preview", file: path },
            };
            await createBlock(blockDef, false, true);
        });
    },
}

Summary

Menu Definition: Use the ContextMenuItem type.
Actions: Use click for actions; use submenu for nested options.
Separators: Use type: "separator" to group items.
Toggles: Use type: "checkbox" or "radio" with the checked property.
Displaying: Use ContextMenuModel.getInstance().showContextMenu(menu, event) to render the menu.

Common Use Cases

File/Folder Operations

Context menus are commonly used for file operations like creating, renaming, and deleting files or folders.

Settings Toggles

Use checkbox menu items to toggle settings on and off, with the checked property reflecting the current state.

Nested Options

Use submenu to organize related options hierarchically, keeping the top-level menu clean and organized.

Conditional Items

Use the visible and enabled properties to dynamically show or disable menu items based on the current state.